CN116336469A - A flow path system, a combustion heat exchange component and a gas water heater - Google Patents

Abstract

The invention relates to the technical field of household appliances, in particular to a flow path system, a combustion heat exchange assembly and a gas water heater, wherein the flow path system comprises a primary air port, a secondary air port, an air inlet and a fan; the primary air port is communicated with the air inlet through a first communication channel; the secondary air port sequentially passes through the second flow channel and the air inlet to simultaneously align and communicate with the exhaust channel and the top wall plate; the secondary wind shield is covered on the secondary air port in a blocking way, and is provided with a first part in alignment communication with the top wall plate, and the first part is provided with a first air inlet hole for air to flow in; the spoiler comprises a first area aligned with the exhaust channel and a second area aligned with the top wall plate, wherein the second area is provided with a plurality of second flow disturbing holes. According to the preferred flow path system, the overall combustion heat exchange effect is improved by optimizing the air inlet structure of the secondary air port and balancing the air inlet uniformity of the fan assembly.

Description

Translated fromChinese

一种流路系统、燃烧换热组件及燃气热水器A flow path system, a combustion heat exchange component and a gas water heater

技术领域technical field

本发明涉及家电技术领域，更具体地说涉及一种流路系统、燃烧换热组件及燃气热水器。The invention relates to the technical field of home appliances, and more specifically relates to a flow path system, a combustion heat exchange component and a gas water heater.

背景技术Background technique

燃气热水器是目前最方便、经济的快速加热水的装置，其能量转化效率高，相比于电热水器，燃气热水器更节能。Gas water heater is currently the most convenient and economical device for quickly heating water. Its energy conversion efficiency is high. Compared with electric water heaters, gas water heaters are more energy-efficient.

其中，如下文中附图2所示的燃烧换热组件作为燃气热水器中主要的组成部分，一般由燃烧换热系统和燃气供应组件组成，而燃烧换热系统包括有风机组件、热交换组件和燃烧器组件。对于上抽风式的燃烧换热系统来说，风机组件置于燃烧器组件的上方，且燃烧器组件与风机组件之间通过热交换组件相连。工作时，燃烧器组件接收从燃气供应组件（包括运输管道、燃气分配器等）的喷嘴喷射而出的燃气并进行燃烧，燃烧后的高温烟气在风机组件的吸引作用下从燃烧器组件流出，流经热交换组件并实现与待加热的水进行换热后，流至风机组件并排出。风机组件除了对燃烧后的高温烟气进行引流，还驱使外部空气从燃气进料口、以及其它位置的空气口进入燃烧器组件来为燃气的燃烧提供充足的氧气。Among them, as the main component of the gas water heater, the combustion heat exchange assembly shown in Figure 2 below is generally composed of a combustion heat exchange system and a gas supply assembly, and the combustion heat exchange system includes a fan assembly, a heat exchange assembly and a combustion device components. For the upward draft combustion heat exchange system, the fan assembly is placed above the burner assembly, and the burner assembly and the fan assembly are connected through a heat exchange assembly. When working, the burner assembly receives and burns the gas injected from the nozzle of the gas supply assembly (including the transportation pipeline, gas distributor, etc.), and the high-temperature flue gas after combustion flows out of the burner assembly under the suction of the fan assembly , after passing through the heat exchange component and realizing heat exchange with the water to be heated, it flows to the fan component and is discharged. In addition to diverting the high-temperature flue gas after combustion, the fan assembly also drives external air from the gas inlet and other air ports into the burner assembly to provide sufficient oxygen for the combustion of the gas.

但是，实际使用时发现，在上述系统中存在燃烧换热效果差的问题。However, in actual use, it is found that the above-mentioned system has the problem of poor combustion heat exchange effect.

发明内容Contents of the invention

本发明的目的是针对现有技术的不足之处，提供一种主要用于在具有燃烧器、风机组件的燃烧换热组件中引导气体流动的流路系统，通过优化二次空气口的进风结构、以及平衡风机组件进气的均匀性，以提升整体的燃烧换热效果。The purpose of the present invention is to address the deficiencies of the prior art, and to provide a flow path system mainly used to guide gas flow in a combustion heat exchange assembly with a burner and a fan assembly, by optimizing the air intake of the secondary air port Structure, and balance the uniformity of air intake of fan components to improve the overall combustion heat transfer effect.

在上述基础上，本发明的目的之二是提供一种具有上述流路系统的燃烧换热组件。On the basis of the above, the second object of the present invention is to provide a combustion heat exchange assembly having the above-mentioned flow path system.

在上述基础上，本发明的目的之三是提供一种具有上述流路系统或上述燃烧换热组件的燃气热水器。On the basis of the above, the third object of the present invention is to provide a gas water heater with the above-mentioned flow path system or the above-mentioned combustion heat exchange assembly.

本发明的技术解决措施如下：Technical solutions of the present invention are as follows:

一种流路系统，在具有燃烧器、风机组件的燃烧换热组件中引导气体流动，所述流路系统包括：A flow path system guides gas flow in a combustion heat exchange assembly with a burner and a fan assembly, the flow path system includes:

一次空气口，供燃烧用燃气流入地设置于所述燃烧器；The primary air port is provided on the burner for the inflow of combustion gas;

二次空气口，供燃烧用空气流入地设置于所述燃烧器；A secondary air port is provided on the burner for the inflow of combustion air;

进气口，其同时对位通连有排气通道、以及置于所述排气通道一侧的顶壁板；The air inlet is connected with the exhaust passage and the top wall plate on one side of the exhaust passage at the same time;

风机，其与所述排气通道相通连、并对所述排气通道进行引流排气；A fan, which communicates with the exhaust passage, and drains and exhausts the exhaust passage;

所述一次空气口通过流经燃烧区和换热区的第一流通通道通连所述进气口；The primary air port communicates with the air inlet through a first circulation channel flowing through the combustion zone and the heat exchange zone;

所述二次空气口依次通过流经燃烧区和换热区的第二流通通道、以及所述进气口来同时对位通连所述排气通道、所述顶壁板；The secondary air port passes through the second circulation channel flowing through the combustion zone and the heat exchange zone, and the air inlet in turn to communicate with the exhaust channel and the top wall plate at the same time;

二次挡风板，其阻隔空气流通地盖装于所述二次空气口，且所述二次挡风板存在与所述顶壁板对位通连的第一部分，所述第一区域设有供空气流入的第一进气孔；The secondary windshield is installed on the secondary air port to prevent air circulation, and the secondary windshield has a first part that is in communication with the top wall plate, and the first area is set There is a first air intake hole for the inflow of air;

扰流板，其设置于所述进气口中，并存在与所述排气通道对位的第一区域、以及与所述顶壁板对位的第二区域；a spoiler, which is arranged in the air inlet, and has a first area aligned with the exhaust passage, and a second area aligned with the top wall;

所述第二区域设置有若干第二扰流孔。The second area is provided with several second spoiler holes.

上述方案针对下文中附图2所示的燃烧换热组件出发，基于燃烧换热组件空间限制导致在烟罩壳体上需要凹陷设置以空出对风机的安装空间，进而形成有与排气方向相交叉地位于排气通道一侧的顶壁板。The above scheme is based on the combustion heat exchange assembly shown in Figure 2 below. Based on the space limitation of the combustion heat exchange assembly, a recess is required on the smoke hood shell to free up the installation space for the fan, and then form an exhaust direction. The top wall plate is located on one side of the exhaust passage in a crossing manner.

上述设置导致的燃烧换热效果差出现在两个方面：The poor combustion heat transfer effect caused by the above settings appears in two aspects:

一是二次空气口同时与排气通道、顶壁板对位通连。导致二次空气口与排气通道通连的部分，能够顺畅的从外部引入足量空气以供燃烧，而二次空气口与顶壁板对位通连的部分，其引入的气流受到顶壁板的阻挡，容易导致该部分无法顺畅的外部引入足量空气以供燃烧，进而使供燃烧用的空气在燃烧器中分布不均而导致燃烧器存在燃气燃烧不均，进而无法实现均匀换热；特别是当空气引入量少时还容易导致部分区域燃气燃烧不充分而产生例如一氧化碳的有毒气体。One is that the secondary air port is in parallel communication with the exhaust passage and the top wall plate at the same time. The part that leads to the communication between the secondary air port and the exhaust channel can smoothly introduce enough air from the outside for combustion, and the part that the secondary air port communicates with the top wall plate, the airflow introduced by it is influenced by the top wall. The blocking of the plate will easily lead to the inability to smoothly introduce sufficient air from the outside for combustion, and then the air for combustion will be unevenly distributed in the burner, resulting in uneven combustion of gas in the burner, and then it will not be possible to achieve uniform heat exchange ; Especially when the amount of air introduced is small, it is easy to cause insufficient combustion of gas in some areas and produce toxic gases such as carbon monoxide.

二是在风机的驱动作用下，进气口与排气通道相对的部分，气体能够顺畅的流入并排出；进气口与顶壁板相对的部分，其引入的气流受到顶壁板的阻挡，气体的流动会受阻减缓；造成风机组件存在引流不均的问题，进而使气流无法在燃烧换热组件中均匀流动，无法实现均匀换热。The second is that under the driving action of the fan, the part of the air inlet opposite to the exhaust channel can smoothly flow in and discharge the gas; the part of the air inlet opposite to the top wall plate, the airflow introduced by it is blocked by the top wall plate, The flow of gas will be blocked and slowed down; resulting in the problem of uneven drainage of the fan assembly, which in turn makes the air flow unable to flow uniformly in the combustion heat exchange assembly, and cannot achieve uniform heat exchange.

基于上述两个因素，本发明的方案中：Based on above-mentioned two factors, in the scheme of the present invention:

一方面设置阻隔空气从二次空气口中流通的二次挡风板，并在二次挡风板设有供空气流入的第一进气孔，第一进气孔与顶壁板对位通连，第一进气孔与排气通道错位设置；这样，驱使空气全部从二次空气口的与顶壁板对位通连的部分来流入燃烧器，然后风机通过排气通道的抽吸以将从第一进气孔吸入的部分空气来引流至二次空气口与排气通道通连的部分，能够一定程度上加大二次空气口与顶壁板对位通连的部分的空气流量，减少二次空气口与排气通道通连的部分的空气流量，使燃烧器内空气流量分布更加均匀，以提高燃烧器中燃气燃烧的均匀性。On the one hand, a secondary windshield is provided to prevent air from circulating through the secondary air port, and a first air intake hole for air inflow is provided on the secondary windshield, and the first air intake hole is in communication with the top wall plate , the first air intake hole and the exhaust passage are misplaced; in this way, all the air is driven to flow into the burner from the part of the secondary air port that communicates with the top wall plate, and then the fan is sucked by the exhaust passage to Part of the air inhaled from the first air inlet is diverted to the part where the secondary air port communicates with the exhaust channel, which can increase the air flow of the part where the secondary air port communicates with the top wall plate to a certain extent. Reduce the air flow of the part where the secondary air port communicates with the exhaust passage, so that the air flow distribution in the burner is more uniform, so as to improve the uniformity of gas combustion in the burner.

另一方面针对风机内气流流动环境，在进气口中增设扰流板，扰流板存在对气流进行阻碍流动的第一区域、第二区域，且在第二区域设置有第二扰流孔，进而在尽量不影响进气口与顶壁板相对部分的进气气流时，降低进气口与排气通道相对部分进气气流的流速，实现平衡风机组件整体进气的均匀性。同时，采用若干扰流孔结构，还能够对流经扰流板的气流进行过滤，将气流中的部分杂质筛分过滤出来，避免这部分被过滤出来的杂质随气流从排气通道进行风机中，进而避免对风机的运行以及寿命造成影响。On the other hand, for the air flow environment in the fan, a spoiler is added in the air inlet. The spoiler has a first area and a second area that hinder the air flow, and a second spoiler hole is provided in the second area. Furthermore, while the air intake air flow at the portion opposite to the air intake port and the top wall plate is not affected as much as possible, the flow velocity of the air intake air flow at the portion opposite to the air intake port and the exhaust passage is reduced, so as to realize the uniformity of the overall air intake of the balanced fan assembly. At the same time, the structure of the interference flow holes can also filter the airflow passing through the spoiler, and filter out some impurities in the airflow, so as to prevent the filtered impurities from entering the fan from the exhaust channel with the airflow. In order to avoid affecting the operation and life of the fan.

进一步作为优选方案，所述第一区域设置有若干第一扰流孔，且所述第二扰流孔的孔径大于所述第一扰流孔的孔径。As a further preferred solution, the first region is provided with a plurality of first spoiler holes, and the diameter of the second spoiler hole is larger than that of the first spoiler hole.

进而实现通过优化二次空气口的进风结构、以及平衡风机组件进气的均匀性，以提升整体的燃烧换热的均匀性，提升整体的燃烧换热效果。Furthermore, by optimizing the air intake structure of the secondary air port and balancing the uniformity of the air intake of the fan assembly, the uniformity of the overall combustion heat transfer is improved, and the overall combustion heat transfer effect is improved.

进一步作为优选方案，所述二次挡风板盖装于所述二次空气口的进气一侧。As a further preferred solution, the secondary windshield cover is mounted on the air intake side of the secondary air port.

进一步作为优选方案，所述二次挡风板安装于所述燃烧器的燃烧器壳体。As a further preferred solution, the secondary wind deflector is mounted on the burner housing of the burner.

进一步作为优选方案，所述二次挡风板通过若干连接件来固接于所述燃烧器壳体。As a further preferred solution, the secondary wind deflector is fixedly connected to the burner housing through several connecting pieces.

进一步作为优选方案，所述二次挡风板存在供所述连接件穿插的若干安装孔。As a further preferred solution, the secondary wind deflector has several installation holes through which the connecting piece is inserted.

进一步作为优选方案，所述二次挡风板的一端设置有限位部。As a further preferred solution, a limiting portion is provided at one end of the secondary wind deflector.

进一步作为优选方案，所述限位部抵接于所述燃烧器壳体的侧壁。As a further preferred solution, the limiting portion abuts against the side wall of the burner housing.

进一步作为优选方案，所述流路系统还包括滤网件，其存在遮盖于所述第一进气孔的部分，且该部分设有若干对进入所述第一进气孔的气流进行筛分过滤的滤孔。As a further preferred solution, the flow path system also includes a filter element, which has a part that covers the first air intake hole, and this part is provided with several screens to screen the airflow entering the first air intake hole. filter holes.

进一步作为优选方案，所述第一部分设有若干供空气流入、并对流入空气进行筛分过滤的所述第一进气孔。As a further preferred solution, the first part is provided with a plurality of first air intake holes for the inflow of air and for screening and filtering the inflow air.

进一步作为优选方案，所述二次挡风板还包括与所述第一部分间隔或相邻设置的第二部分，所述第二部分与所述二次空气口相对位；As a further preferred solution, the secondary wind deflector further includes a second part spaced from or adjacent to the first part, and the second part is opposite to the secondary air port;

且所述第二部分设有若干供空气流入、并对该流入空气进行筛分过滤的第二进气孔，所述第二进气孔的孔径小于所述第一进气孔的孔径。In addition, the second part is provided with a plurality of second air inlet holes for air to flow in and for screening and filtering the inflow air, and the diameter of the second air inlet holes is smaller than that of the first air inlet holes.

进一步作为优选方案，所述扰流板包括第一端和第二端；As a further preferred solution, the spoiler includes a first end and a second end;

所述扰流板通过所述第一端设置的第一连接部和/或所述第二端设置的第二连接部连接于所述烟罩壳体。The spoiler is connected to the smoke hood casing through the first connection part provided at the first end and/or the second connection part provided at the second end.

进一步作为优选方案，所述第一端与所述进气口的内壁之间存在间隔，和/或所述第二端与所述进气口的内壁之间存在间隔。As a further preferred solution, there is a space between the first end and the inner wall of the air inlet, and/or there is a space between the second end and the inner wall of the air inlet.

进一步作为优选方案，所述扰流板还包括第三端和第四端；As a further preferred solution, the spoiler further includes a third end and a fourth end;

所述第三端与所述进气口的内壁之间存在间隔，和/或所述第四端与所述进气口的内壁之间存在间隔。There is a space between the third end and the inner wall of the air inlet, and/or there is a space between the fourth end and the inner wall of the air inlet.

进一步作为优选方案，所述第三端弯折地形成有第一翻边部和/或所述第四端弯折地形成有第二翻边部。As a further preferred solution, the third end is bent to form a first flange portion and/or the fourth end is bent to form a second flange portion.

进一步作为优选方案，所述第一翻边部和/或所述第二翻边部的朝向为气体流出方向。As a further preferred solution, the orientation of the first flange portion and/or the second flange portion is the gas outflow direction.

进一步作为优选方案，所述第一翻边部弯折部分的外表面和/或所述第二翻边部弯折部分的外表面为弧形。As a further preferred solution, the outer surface of the bent portion of the first flange portion and/or the outer surface of the bent portion of the second flange portion is arc-shaped.

进一步作为优选方案，所述扰流板有多个，且多个所述扰流板在气体流入方向上间隔地设置于所述进气口中。As a further preferred solution, there are multiple spoilers, and the plurality of spoilers are arranged at intervals in the air inlet in the gas inflow direction.

进一步作为优选方案，所述一次空气口与喷射燃气的喷嘴间隔对位地设置于所述燃烧器。As a further preferred solution, the primary air port and the nozzle for injecting gas are provided on the burner at intervals and in alignment with each other.

进一步作为优选方案，所述流路系统还包括：As a further preferred solution, the flow path system also includes:

一次挡风板，其存在有位于所述一次空气口与所述喷嘴之间的间隔一侧、并从该侧至少部分遮挡所述间隔的挡风部。The primary windshield has a windshield portion located on one side of the gap between the primary air port and the nozzle and at least partially shields the gap from this side.

进一步作为优选方案，所述挡风部的一端与所述燃烧器相接，另一端与所述燃气供应组件之间存在供空气流通的通道。As a further preferred solution, one end of the windshield is connected to the burner, and there is a channel for air circulation between the other end and the gas supply assembly.

进一步作为优选方案，所述挡风部的端部存在与所述喷嘴在遮盖方向上间隔对位的部分。As a further preferred solution, there is a part spaced and aligned with the nozzle at the end of the windshield in the covering direction.

进一步作为优选方案，所述挡风部与所述燃烧器相接的部位靠近所述一次空气口。As a further preferred solution, the part where the windshield part connects with the burner is close to the primary air port.

进一步作为优选方案，所述一次挡风板连接于所述燃烧器的燃烧器壳体上。As a further preferred solution, the primary wind deflector is connected to the burner casing of the burner.

一种燃烧换热组件，包含有上述任一方案中所述的流路系统。A combustion heat exchange component, including the flow path system described in any of the above solutions.

一种燃气热水器，包含有上述任一方案中所述的流路系统，或包含有上述的燃烧换热组件。A gas water heater, comprising the flow path system described in any of the above-mentioned solutions, or comprising the above-mentioned combustion heat exchange assembly.

上述技术方案的主要有益效果在于：The main beneficial effect of above-mentioned technical scheme is:

通过设置阻隔空气从二次空气口中流通的二次挡风板，并在二次挡风板设有供空气流入的第一进气孔，驱使空气全部从二次空气口与顶壁板对位通连的部分来流入燃烧器后再进行分散，在一定程度上加大二次空气口与顶壁板对位通连的部分的空气流量，减少二次空气口与排气通道通连的部分的空气流量，使燃烧器内空气流量分布更加均匀，以提高燃烧器存在燃气燃烧的均匀性。进而优化流路系统中燃烧器的燃烧效果。在进气口中增设扰流板，扰流板存在对气流进行阻碍流动的第一区域、第二区域，且在第二区域设置有第二扰流孔，进而在尽量不影响进气口与顶壁板相对部分的进气气流时，降低进气口与排气通道相对部分进气气流的流速，实现平衡风机组件整体进气的均匀性，进而能够提升气体在流路系统中流动的均匀性，优化整体换热效果。By setting the secondary windshield that prevents the air from circulating through the secondary air port, and setting the first air intake hole for air inflow on the secondary windshield, all the air is driven to align with the top wall plate from the secondary air port The connected part flows into the burner and then disperses, to a certain extent, increases the air flow of the part connected with the secondary air port and the top wall plate, and reduces the part connected with the secondary air port and the exhaust channel The air flow rate in the burner makes the air flow distribution in the burner more uniform, so as to improve the uniformity of gas combustion in the burner. Further, the combustion effect of the burner in the flow path system is optimized. A spoiler is added in the air inlet. The spoiler has a first area and a second area that hinder the flow of the airflow, and a second spoiler hole is set in the second area, so as not to affect the air inlet and the top as much as possible. When the intake air flow is in the opposite part of the wall plate, the flow velocity of the intake air flow in the opposite part of the air inlet and the exhaust channel is reduced to achieve a balanced overall air intake uniformity of the fan assembly, thereby improving the uniformity of gas flow in the flow path system , optimize the overall heat transfer effect.

进一步地或者更细节的有益效果将在具体实施方式中结合具体实施例进行说明。Further or more detailed beneficial effects will be described in specific embodiments in conjunction with specific examples.

附图说明Description of drawings

下面结合附图对本发明做进一步的说明：Below in conjunction with accompanying drawing, the present invention will be further described:

图1为流路系统结构示意图。Figure 1 is a schematic diagram of the structure of the flow path system.

图2为现有燃烧换热组件的示意图。Fig. 2 is a schematic diagram of a conventional combustion heat exchange assembly.

图3为现有燃烧器中一次空气口、二次空气口的进气示意图。Fig. 3 is a schematic diagram of the air intake of the primary air port and the secondary air port in the existing burner.

图4为一次挡风板、二次挡风板的安装示意图。Figure 4 is a schematic diagram of the installation of the primary wind deflector and the secondary wind deflector.

图5为安装二次挡风板后二次空气口的进气示意图。Figure 5 is a schematic diagram of the air intake of the secondary air port after the secondary windshield is installed.

图6为一种结构二次挡风板的安装示意图一。Fig. 6 is a first installation schematic diagram of a structural secondary windshield.

图7为一种结构二次挡风板的安装示意图二。Fig. 7 is a second installation schematic diagram of a structural secondary windshield.

图8为图4中X部分一种结构的放大示意图。FIG. 8 is an enlarged schematic view of a structure of part X in FIG. 4 .

图9为图4中X部分另一种结构的放大示意图。FIG. 9 is an enlarged schematic view of another structure of part X in FIG. 4 .

图10为滤网件安装示意图一。Figure 10 is a first schematic diagram of the installation of the filter element.

图11为另一种结构二次挡风板的安装示意图。Fig. 11 is a schematic diagram of the installation of another secondary wind deflector structure.

图12为第三种结构二次挡风板的安装示意图。Fig. 12 is a schematic diagram of the installation of the secondary windshield of the third structure.

图13为扰流板安装示意图一。Figure 13 is a schematic diagram of spoiler installation.

图14为扰流板安装的仰视示意图。Figure 14 is a schematic bottom view of the installation of the spoiler.

图15为扰流板安装示意图二。Figure 15 is the second schematic diagram of spoiler installation.

图16为扰流板结构示意图。Figure 16 is a schematic diagram of the spoiler structure.

图17为燃气热水器示意图。Figure 17 is a schematic diagram of a gas water heater.

图中所示：底壳a、燃烧器b、燃烧器壳体b1、一次空气口b11、二次空气口b12、挡风板安装部b121、排通口b13、一次挡风板b2、挡风部b21、引流孔b211、安装部b22、火排b3、进料通道b31、二次挡风板b4、第一进气孔b41、安装孔b42、限位部b43、第二进气孔b44、连接件b5、滤网件b6、滤孔b601、滤网件固位孔b602、风机组件c、烟罩壳体c1、排气通道c11、顶壁板c12、进气口c13、风机c2、排气筒c21、扰流板c3、第一扰流孔c31、第二扰流孔c32、第一端c33、第一连接部c331、第二端c34、第二连接部c341、第三端c35、第一翻边部c351、第四端c36、第二翻边部c361、热交换组件d、换热流道d1、燃气供应组件e、喷嘴e1；As shown in the figure: bottom shell a, burner b, burner housing b1, primary air port b11, secondary air port b12, windshield installation part b121, exhaust port b13, primary windshield b2, windshield part b21, drainage hole b211, installation part b22, fire row b3, feed channel b31, secondary windshield b4, first air inlet b41, installation hole b42, limit part b43, second air inlet b44, Connecting piece b5, filter piece b6, filter hole b601, filter piece retaining hole b602, fan assembly c, smoke hood shell c1, exhaust channel c11, top wall plate c12, air inlet c13, fan c2, exhaust Inflator c21, spoiler c3, first spoiler hole c31, second spoiler hole c32, first end c33, first connection part c331, second end c34, second connection part c341, third end c35, The first flange part c351, the fourth end c36, the second flange part c361, the heat exchange component d, the heat exchange channel d1, the gas supply component e, and the nozzle e1;

火焰1、一次空气进气流动箭头一2、二次空气进气流动箭头3、一次空气进气流动箭头二4、一次空气进气流动箭头三5。Flame 1, primary air intake flow arrow one 2, secondary airintake flow arrow 3, primary air intake flow arrow two 4, primary air intake flow arrow three 5.

具体实施方式Detailed ways

下面结合实施例对本发明进行具体的示例说明：Below in conjunction with embodiment the present invention is carried out concrete illustration:

实施例一：Embodiment one:

一种流路系统，在具有燃烧器b、风机组件c的燃烧换热组件中引导气体流动。A flow path system guides gas flow in a combustion heat exchange assembly with a burner b and a fan assembly c.

燃烧换热组件，参考附图2所示，是燃气热水器中的重要构成部分，其主要包括有安装在燃气热水器的底壳a上的燃烧换热系统和燃气供应组件e。The combustion heat exchange assembly, as shown in Figure 2, is an important part of the gas water heater, which mainly includes a combustion heat exchange system and a gas supply assembly e installed on the bottom shell a of the gas water heater.

对于燃烧换热系统，如附图2所示，主要包括燃烧器b、风机组件c和热交换组件d。As for the combustion heat exchange system, as shown in Figure 2, it mainly includes a burner b, a fan assembly c and a heat exchange assembly d.

具体的，如附图2和附图3所示，风机组件c置于燃烧器b的上方，风机组件c与燃烧器b之间通过热交换组件d相通连，使风机组件c能够形成负压并通过热交换组件d内部的通道对燃烧器b中燃气燃烧后形成的高温气体进行上抽。Specifically, as shown in Figure 2 and Figure 3, the fan assembly c is placed above the burner b, and the fan assembly c and the burner b are connected through the heat exchange assembly d, so that the fan assembly c can form a negative pressure And the high-temperature gas formed after the combustion of the gas in the burner b is pumped up through the passage inside the heat exchange component d.

如附图3所示，本实施例中的燃烧器b包括燃烧器壳体b1，燃烧器壳体b1的右侧设置有供燃料输入的一次空气口b11，上端设置有供燃烧后的高温气体排出的、与热交换组件d通连的排通口b13，下端设置有供空气进入的二次空气口b12；且燃烧器壳体b1内部安装有若干间隔分布火排b3，每一火排b3中具有进料通道b31，进料通道b31的一端与一次空气口b11通连，另一端与排通口b13对位通连；二次空气口b12通过火排b3之间的间隙空间与排通口b13上下通连，使空气能够从二次空气口b12进入并排至排通口b13中。As shown in Figure 3, the burner b in this embodiment includes a burner housing b1, the right side of the burner housing b1 is provided with a primary air port b11 for fuel input, and the upper end is provided with a high-temperature gas after combustion The outlet b13 which is discharged and communicated with the heat exchange component d is provided with a secondary air port b12 for air entry at the lower end; and a number of fire rows b3 are installed inside the burner shell b1, and each fire row b3 There is a feed channel b31 in the middle, one end of the feed channel b31 communicates with the primary air port b11, and the other end communicates with the discharge port b13 in parallel; the secondary air port b12 communicates with the discharge port through the gap space between the fire row b3 The port b13 is connected up and down, so that air can enter from the secondary air port b12 and be discharged into the exhaust port b13.

对于燃气供应组件e，如附图2和附图3所示，主要包括有用于输送燃气的管道，以及连接在管道端部用以喷射燃气的喷嘴e1。As for the gas supply assembly e, as shown in Figure 2 and Figure 3, it mainly includes a pipeline for transporting gas, and a nozzle e1 connected to the end of the pipeline for injecting gas.

当然，在一些燃气热水器中，燃气供应组件e还可以包括有连接在管道中用以调节燃气大小的燃气比例阀，以及用以分配燃气的燃气分配器。Of course, in some gas water heaters, the gas supply assembly e may also include a gas proportional valve connected in the pipeline for adjusting the size of the gas, and a gas distributor for distributing the gas.

具体的，如附图3所示，喷嘴e1与一次空气口b11间隔对位设置，使喷嘴e1向一次空气口b11中喷射燃气的同时能够卷带空气进入燃烧器b中，实现燃气燃烧前与空气的预混合，来提高燃烧效果。Specifically, as shown in Figure 3, the nozzle e1 and the primary air port b11 are spaced and aligned so that the nozzle e1 can inject gas into the primary air port b11 and at the same time entrain air into the burner b, so as to achieve gas combustion before and Pre-mixing of air to improve the combustion effect.

如附图2所示，本实施例中的风机组件c包括烟罩壳体c1、和风机c2。As shown in Fig. 2, the fan assembly c in this embodiment includes a hood housing c1 and a fan c2.

基于燃烧换热组件空间限制导致在烟罩壳体c1上需要内凹设置以空出对风机c2的安装空间，导致烟罩壳体c1包括用以排气的排气通道c11，以及与排气方向相交叉地位于排气通道c11一侧的顶壁板c12。Based on the space limitation of the combustion heat exchange components, a concave setting is required on the hood shell c1 to free up the installation space for the fan c2, resulting in the hood shell c1 including the exhaust channel c11 for exhaust, and the exhaust channel c11 The top wall plate c12 located on one side of the exhaust passage c11 crosses the direction.

需要说明的是，如附图2所示，本实施例中的顶壁板c12可以是烟罩壳体c1的一部分；或者，在需要形成其它设置结构时，该顶壁板c12可以是其它任意构件的一部分，只是其位置与对气流的阻碍作用相近于附图2所示，形成气流流动不均的问题环境。例如当需要将风机c2整个装配于烟罩壳体c1中时，风机c2的部分壳体结构形成例如附图2所示的顶壁板c12。It should be noted that, as shown in Figure 2, the top wall c12 in this embodiment can be a part of the hood shell c1; or, when it is necessary to form other configuration structures, the top wall c12 can be any other A part of the components, but its position and its obstruction to the airflow are similar to those shown in Figure 2, forming a problematic environment of uneven airflow. For example, when the fan c2 needs to be completely assembled in the hood casing c1, a part of the casing structure of the fan c2 forms, for example, a top wall c12 as shown in FIG. 2 .

例如附图2中所示，风机组件c的进气口c13通过换热流道d1与燃烧器b的排通口b13对位通连；在燃烧换热组件内部向上排气时，顶壁板c12横向延伸设置并位于排气通道c11右侧，供对排气通道c11提供抽吸作用的风机c2置于顶壁板c12的上方。当然，依据实际需求，可以将其他需要的部件安装于附图2中所示风机c2的位置，并将风机c2置于别处。For example, as shown in Figure 2, the air inlet c13 of the fan assembly c is in parallel communication with the exhaust port b13 of the burner b through the heat exchange flow channel d1; The c12 extends laterally and is located on the right side of the exhaust passage c11, and the blower c2 for providing suction to the exhaust passage c11 is placed above the top wall c12. Of course, according to actual needs, other required components can be installed at the position of the blower c2 shown in FIG. 2 , and the blower c2 can be placed elsewhere.

本实施例中的风机c2优选包括有：转动电机、以及连接于转动电机的一个叶轮。叶轮置于一端与排气通道c11通连、另一端与排气筒c21相通连的一个壳体中，通过转动电机驱使叶轮在定容的壳体中转动，以将气流从排气通道c11引入排气筒c21进行排出。The fan c2 in this embodiment preferably includes: a rotating motor and an impeller connected to the rotating motor. The impeller is placed in a housing where one end communicates with the exhaust channel c11 and the other end communicates with the exhaust cylinder c21, and the impeller is driven to rotate in the fixed-volume housing by a rotating motor to introduce the airflow from the exhaust channel c11 Exhaust cylinder c21 discharges.

上述燃烧换热组件中，一次空气口b11、二次空气口b12作为进气口是流路系统的主要组成部分；其中：In the above-mentioned combustion heat exchange components, the primary air port b11 and the secondary air port b12 are the main components of the flow path system as the air inlet; where:

一次空气口b11通过流经燃烧区（例如燃烧器壳体b1的排通口b13所在的用以对燃气进行点火燃烧的区域）和换热区（例如热交换组件d中换热流道d1所在的用以与外部介质进行换热的区域）的第一流通通道与烟罩壳体c1中用以排气的排气通道c11相通连，本实施例中，该第一流通通道依次包括火排b3的进料通道b31、排通口b13、换热流道d1；使风机c2的抽吸作用能够依次通过排气通道c11、进气口c13、换热流道d1、排通口b13、进料通道b31传递至一次空气口b11，来将喷射出的燃气以及燃气卷吸的空气引入一次空气口b11。The primary air port b11 flows through the combustion area (such as the area where the exhaust port b13 of the burner shell b1 is located to ignite and burn the gas) and the heat exchange area (such as the area where the heat exchange channel d1 in the heat exchange component d is located) The first circulation passage in the area for exchanging heat with the external medium) communicates with the exhaust passage c11 in the hood shell c1 for exhausting air. In this embodiment, the first circulation passage includes the fire row in turn The feed channel b31, exhaust port b13, and heat exchange channel d1 of b3; the suction of the fan c2 can pass through the exhaust channel c11, air inlet c13, heat exchange channel d1, exhaust port b13, and air inlet in sequence. The feed channel b31 is transferred to the primary air port b11 to introduce the injected gas and the air entrained by the gas into the primary air port b11.

二次空气口b12，通过流经燃烧区（例如燃烧器壳体b1的排通口b13所在的用以对燃气进行点火燃烧的区域）和换热区（例如热交换组件d中换热流道d1所在的用以与外部介质进行换热的区域）的第二流通通道同时对位通连排气通道c11、以及顶壁板c12，本实施例中，该第二流通通道依次包括火排b3之间的间隙、排通口b13、换热流道d1。The secondary air port b12 passes through the combustion area (such as the area where the exhaust port b13 of the burner shell b1 is located to ignite and burn the gas) and the heat exchange area (such as the heat exchange channel in the heat exchange component d The second circulation passage in the area where d1 is used to exchange heat with the external medium) is simultaneously connected to the exhaust passage c11 and the top wall plate c12. In this embodiment, the second circulation passage includes the fire row b3 in sequence The gap between them, the exhaust port b13, and the heat exchange channel d1.

如附图2所示，二次空气口b12通过第二流通通道、进气口c13同时与位于上方的排气通道c11、顶壁板c12对位通连；其中与顶壁板c12对位通连是指顶壁板c12的一侧面，例如附图2中顶壁板c12的下端面与二次空气口b12之间存在供气体直流的通道。As shown in Figure 2, the secondary air port b12 is in parallel communication with the upper exhaust passage c11 and the top wall plate c12 through the second circulation channel and the air inlet c13; Connecting refers to one side of the top wall c12, for example, there is a channel for direct flow of gas between the lower end of the top wall c12 and the secondary air port b12 in FIG. 2 .

工作时，燃气卷吸一部分空气从一次空气口b11进入火排b3的进料通道b31，流经进料通道b31后排出至排通口b13所在的空腔中进行点火燃烧；另一部分空气从二次空气口b12经过火排b3之间的间隙排至排通口b13所在的空腔中供燃气进行燃烧。燃烧后形成有高温气体，在风机组件c形成的负压作用下，将高温气体从排通口b13上抽至热交换组件d，经过热交换组件d的换热流道d1后流动至风机组件c并从排气筒c21进行排出。其中，如附图2所示，换热流道d1为设置于热交换组件d中供燃烧器b燃烧后形成的高温气体流经热交换组件d、并流至风机组件c进行排出的上下贯通的气体流道，且换热流道d1的侧壁，或者换热流道d1中设置有供冷水流通的管路，使流经换热流道d1的高温空气能够对冷水进行换热，以驱使冷水升温。When working, the gas entrains a part of the air from the primary air port b11 into the feed channel b31 of the fire row b3, flows through the feed channel b31 and is discharged to the cavity where the discharge port b13 is located for ignition and combustion; the other part of the air flows from the secondary The secondary air port b12 is discharged to the cavity where the exhaust port b13 is located through the gap between the fire row b3 for combustion. After combustion, high-temperature gas is formed. Under the negative pressure formed by the fan component c, the high-temperature gas is pumped from the exhaust port b13 to the heat exchange component d, and then flows to the fan component after passing through the heat exchange channel d1 of the heat exchange component d. c and discharged from the exhaust cylinder c21. Among them, as shown in Figure 2, the heat exchange channel d1 is set in the heat exchange assembly d for the high-temperature gas formed by the burner b to flow through the heat exchange assembly d and flow to the fan assembly c for discharge. and the side wall of the heat exchange flow channel d1, or the pipeline for the circulation of cold water is set in the heat exchange flow channel d1, so that the high temperature air flowing through the heat exchange flow channel d1 can exchange heat for the cold water, so as to Drive the cold water to heat up.

实际试验以及使用发现，使用上述流路系统引导燃气以及燃烧用空气流动，导致存在燃烧换热效果差的问题，这个问题主要存在两个方面：The actual test and use found that using the above-mentioned flow path system to guide the flow of gas and combustion air leads to the problem of poor combustion heat transfer effect. There are two main aspects of this problem:

一是二次空气口b12与排气通道c11通连的部分，能够顺畅的从外部引入足量空气以供燃烧，而二次空气口b12与顶壁板c12对位通连的部分，其引入的气流受到顶壁板c12的阻挡，容易导致该部分无法顺畅的外部引入足量空气以供燃烧，进而使供燃烧用的空气在燃烧器b中分布不均而导致燃烧器b存在燃气燃烧不均的问题。One is the part where the secondary air port b12 communicates with the exhaust passage c11, which can smoothly introduce sufficient air from the outside for combustion, while the part where the secondary air port b12 communicates with the top wall plate c12 is able to introduce The air flow of the air is blocked by the top wall plate c12, which will easily lead to the inability to smoothly introduce enough air to the outside for combustion, and then the air for combustion will be unevenly distributed in the burner b, resulting in the incombustibility of gas in the burner b. average problem.

二是在风机c2的抽吸作用下，引流而来的气体从进气口c13进入，部分流至进气口c13与排气通道c11相对的部分，直接流入排气通道c11，最后从风机c2的排气筒c21流出；部分流至进气口c13与顶壁板c12相对的部分，经顶壁板c12的阻挡变向后，再可能流至流入排气通道c11，最后从风机c2的排气筒c21流出。导致进气口c13与排气通道c11相对的部分，气体能够顺畅的流入并排出；进气口c13与顶壁板c12相对的部分，其引入的气流受到顶壁板c12的阻挡，气体的流动会受阻减缓；进而造成风机组件c本身存在引流不均的问题，进而使流路系统存在气体不均的问题。The second is that under the suction of the fan c2, the diverted gas enters from the air inlet c13, part of it flows to the part of the air inlet c13 opposite to the exhaust channel c11, directly flows into the exhaust channel c11, and finally flows from the fan c2 The exhaust pipe c21 flows out; part of it flows to the part opposite to the air inlet c13 and the top wall plate c12. Gas cartridge c21 flows out. As a result, the part where the air inlet c13 is opposite to the exhaust channel c11, the gas can flow in and be discharged smoothly; the part where the air inlet c13 is opposite to the top wall plate c12, the airflow introduced by it is blocked by the top wall plate c12, and the flow of gas It will be hindered and slowed down; and then cause the problem of uneven drainage of the fan component c itself, and then cause the problem of uneven gas in the flow path system.

上述两个问题综合影响了燃烧换热效果。The above two problems comprehensively affect the combustion heat transfer effect.

基于此，本实施例中，如附图1所示，增设有一个二次挡风板b4和扰流组件。Based on this, in this embodiment, as shown in FIG. 1 , a secondary wind deflector b4 and a spoiler assembly are added.

对于二次挡风板b4：For secondary fairing b4:

如附图4、附图6和附图7所示，二次挡风板b4阻隔空气流通地盖装于二次空气口b12，且二次挡风板b4存在与顶壁板c12对位通连的第一部分，第一部分设有供空气流入的第一进气孔b41。As shown in Figure 4, Figure 6 and Figure 7, the secondary windshield b4 is covered and installed on the secondary air port b12 to block the air flow, and the secondary windshield b4 has a counter-connection with the top wall plate c12. Connected to the first part, the first part is provided with a first air inlet b41 for air to flow in.

其中，第一进气孔b41可以是如附图6所示的一个大孔，其面积大小适配顶壁板c12的面积进行设定；或者如附图11所示，第一进气孔b41为小孔，通过在第一部分设置若干个第一进气孔b41，不仅能够使空气流入，还能够对从进气孔进入的气流进行过滤筛分，过滤掉一些大颗粒的杂质，避免这些杂质对燃烧造成阻碍影响，提高整体燃烧的稳定性。Wherein, the first air inlet b41 can be a large hole as shown in accompanying drawing 6, and its area size adapts to the area of top wall plate c12 to set; or as shown in accompanying drawing 11, the first air inlet b41 For small holes, by setting several first air intake holes b41 in the first part, not only can the air flow in, but also can filter and screen the airflow entering from the air intake holes, filter out some large particles of impurities, and avoid these impurities It can hinder combustion and improve the stability of overall combustion.

这样，即可驱使外部空气如附图5中箭头所示流入燃烧器b中。确切地说，是驱使空气全部从二次空气口b12的与顶壁板c12对位通连的部分来流入燃烧器b，然后风机c2通过排气通道c11的抽吸以将从第一进气孔b41吸入的部分空气来引流至二次空气口b12与排气通道c11通连的部分，能够一定程度上加大二次空气口b12与顶壁板c12对位通连的部分的空气流量，减少二次空气口b12与排气通道c11通连的部分的空气流量，使燃烧器b内空气流量分布更加均匀，以提高燃烧器b存在燃气燃烧的均匀性。In this way, the external air can be driven to flow into the burner b as shown by the arrow in Fig. 5 . To be precise, all the air is driven to flow into the burner b from the part of the secondary air port b12 that is in communication with the top wall plate c12, and then the fan c2 is sucked by the exhaust passage c11 to extract the air from the first air intake Part of the air inhaled by the hole b41 is diverted to the part where the secondary air port b12 communicates with the exhaust channel c11, which can increase the air flow of the part where the secondary air port b12 is in communication with the top wall plate c12 to a certain extent. Reduce the air flow of the part where the secondary air port b12 communicates with the exhaust passage c11, so that the air flow distribution in the burner b is more uniform, so as to improve the uniformity of combustion of the gas in the burner b.

二次挡风板b4可以置于燃烧器壳体b1内部，从二次空气口b12的出气一侧实现对二次空气口b12的盖装，但是存在安装困难的问题。The secondary wind deflector b4 can be placed inside the burner housing b1 to cover the secondary air port b12 from the air outlet side of the secondary air port b12, but there is a problem of difficulty in installation.

为了能够方便实现盖装操作，同时能够更好地阻隔空气进入二次空气口b12中，本实施例中二次挡风板b4盖装于二次空气口b12的进气一侧，例如附图4、附图6和附图7所示，二次挡风板b4从下端盖装于二次空气口b12。In order to facilitate the cover installation operation and better block the air from entering the secondary air port b12, the secondary windshield b4 in this embodiment is covered on the air intake side of the secondary air port b12, as shown in the accompanying drawings 4. As shown in accompanying drawings 6 and 7, the secondary windshield b4 is installed on the secondary air port b12 from the lower end cover.

当然，只需实现盖装功能，二次挡风板b4可以安装于燃烧器壳体b1，也可以安装于外部支撑结构，例如上文中的底壳a。Of course, as long as the cover installation function is realized, the secondary windshield b4 can be installed on the burner casing b1, or on an external support structure, such as the above-mentioned bottom shell a.

本实施例中，如附图4、附图7所示，二次挡风板b4安装于燃烧器b的燃烧器壳体b1，不仅方便安装，而且能够更好地贴合于燃烧器壳体b1以对二次空气口b12实现更好地盖装。In this embodiment, as shown in Figure 4 and Figure 7, the secondary windshield b4 is installed on the burner housing b1 of the burner b, which is not only convenient for installation, but also fits better to the burner housing b1 to better cover the secondary air port b12.

二次挡风板b4优选通过例如螺钉、销钉、卡扣等结构来可拆卸地安装于燃烧器壳体b1，方便对二次挡风板b4进行维修拆换。Preferably, the secondary wind deflector b4 is detachably mounted on the burner housing b1 through structures such as screws, pins, buckles, etc., so as to facilitate maintenance and replacement of the secondary wind deflector b4.

考虑到拆卸的便捷性需求、以及安装的稳固性需求；如附图6、附图7所示，本实施例中，二次挡风板b4通过若干连接件b5，优选为连接螺钉来固接于燃烧器壳体b1，且二次挡风板b4存在供连接件b5穿插的若干安装孔b42。Considering the convenience of disassembly and the stability of installation; as shown in Figure 6 and Figure 7, in this embodiment, the secondary windshield b4 is fixed by several connecting pieces b5, preferably connecting screws In the burner housing b1, and the secondary windshield b4 has several installation holes b42 through which the connecting piece b5 passes.

适配地，二次空气口b12的两侧壁均设有供二次挡风板b4安装的挡风板安装部b121，挡风板安装部b121上设有供连接件b5螺接的孔位，且挡风板安装部b121存在适配贴合二次挡风板b4的部分。使二次挡风板b4能够更加稳固地连接在燃烧器b上。Adaptively, both side walls of the secondary air port b12 are provided with a windshield installation part b121 for the secondary windshield b4 to be installed, and the windshield installation part b121 is provided with a hole for the screw connection of the connecting piece b5 , and there is a part of the windshield installation part b121 that fits the secondary windshield b4. This enables the secondary windshield b4 to be more firmly connected to the burner b.

进一步地，考虑到二次挡风板b4上的安装孔b42容易与燃烧器壳体b1上供连接件b5螺接的孔位之间存在偏差，而导致无法安装的问题，部分安装孔b42设置为腰型孔，能够降低生产时对二次挡风板b4上安装孔b42进行打孔操作时的精度需求，也方便对二次挡风板b4的进行安装。Further, considering that the installation hole b42 on the secondary windshield b4 is likely to deviate from the hole position on the burner housing b1 for the screw connection of the connecting piece b5, resulting in the problem that it cannot be installed, part of the installation hole b42 is set It is a waist-shaped hole, which can reduce the accuracy requirement when drilling the mounting hole b42 on the secondary windshield b4 during production, and also facilitates the installation of the secondary windshield b4.

如附图4和附图6所示，二次挡风板b4的一端设置有限位部b43，限位部b43抵接于燃烧器壳体b1的侧壁，能够实现二次挡风板b4安装时的预定位。As shown in Figure 4 and Figure 6, one end of the secondary windshield b4 is provided with a limiting part b43, and the limiting part b43 abuts against the side wall of the burner housing b1, enabling the installation of the secondary windshield b4 time pre-positioning.

作为进一步拓展，考虑到燃烧器b燃烧时若是进入外部杂质，不仅会对燃烧造成阻碍，还容易形成一些有毒气体，因此优选能够对进入燃烧器b的空气进行过滤，特别是二次空气口b12作为主要的空气进口。As a further extension, considering that if the burner b burns, if external impurities enter, it will not only hinder the combustion, but also easily form some toxic gases, so it is preferable to filter the air entering the burner b, especially the secondary air port b12 as the main air inlet.

当第一进气孔b41如附图6所示的一个大孔时，考虑到杂质会随气流从进气孔b41进入燃烧器b中，而对燃烧造成不稳定影响，特别是对于作为空气主要进口的进气孔b41来说。When the first air inlet b41 is a large hole as shown in Figure 6, it is considered that the impurities will enter the burner b from the air inlet b41 with the air flow, which will cause unstable effects on combustion, especially for the air as the main For the inlet air inlet b41.

如附图10所示，设置有滤网件b6，其存在遮盖于第一进气孔b41的部分，且该部分设有若干对进入第一进气孔b41的气流进行筛分过滤的滤孔b601。实现对从第一进气孔b41进入的气流的过滤筛分，过滤掉一些大颗粒的杂质，避免这些杂质对燃烧造成阻碍影响，提高整体燃烧的稳定性。As shown in Figure 10, a filter element b6 is provided, which has a part covering the first air inlet b41, and this part is provided with several filter holes for screening and filtering the airflow entering the first air inlet b41 b601. Realize the filtering and sieving of the airflow entering from the first air inlet b41, filter out some large particles of impurities, avoid these impurities from hindering the combustion, and improve the stability of the overall combustion.

此时，滤网件b6和挡风板b4可以形成于一体，实现安装挡风板b4即安装滤网件b6，无需二次安装动作。当滤网件b6和挡风板b4可以形成于一体时，滤网件b6作为挡风板b4的一部分。At this time, the filter element b6 and the windshield b4 can be formed in one body, so that the installation of the windshield b4 means the installation of the filter element b6 without secondary installation. When the filter piece b6 and the windshield b4 can be formed in one body, the filter piece b6 serves as a part of the windshield b4.

滤网件b6和挡风板b4也可以分体连接，同时，为了方便对容易污染堵塞的滤网件b6进行拆换清洗，优选滤网件b6采用螺钉来可拆卸地安装于挡风板b4。The filter element b6 and the windshield b4 can also be connected separately. At the same time, in order to facilitate the removal and cleaning of the filter element b6 that is easy to be polluted and blocked, it is preferable that the filter element b6 is detachably installed on the windshield b4 with screws .

额外需要说明的是：采用如附图11所示，在第一部分设置若干个第一进气孔b41时，会一定程度上对整体的空气进量造成衰减。It should be noted additionally that: as shown in Fig. 11 , when several first air intake holes b41 are provided in the first part, the overall air intake will be attenuated to a certain extent.

因此，本实施例中还可以在二次挡风板b4上设置额外的进气通道。Therefore, in this embodiment, additional air intake passages may also be provided on the secondary wind deflector b4.

如附图4所示，二次挡风板b4还包括与第一部分间隔或相邻设置的第二部分，第二部分与二次空气口b12相对位；且第二部分设有若干供空气流入、并对该流入空气进行筛分过滤的第二进气孔b44，第二进气孔b44的孔径小于第一进气孔b41的孔径。As shown in Figure 4, the secondary windshield b4 also includes a second part that is spaced from or adjacent to the first part, and the second part is opposite to the secondary air port b12; , and the second air inlet b44 for screening and filtering the inflowing air, the diameter of the second air inlet b44 is smaller than the diameter of the first air inlet b41.

通过这样的设置，一方面能够增多二次挡风板b4上的进气通道，另一方面由于第二进气孔b44的孔径小于第一进气孔b41的孔径的设置，使挡风板b4上第二部分对空气流入的阻碍还是大于第一部分对空气流入的阻碍，使大部分空气依然能够从从二次空气口b12的与顶壁板c12对位通连的部分来流入燃烧器b，然后风机c2通过排气通道c11的抽吸以将从第一进气孔b41吸入的部分空气来引流至二次空气口b12与排气通道c11通连的部分，达到上述使燃烧器b内空气流量分布更加均匀的目的。Through such an arrangement, on the one hand, the air intake channels on the secondary windshield b4 can be increased; The resistance of the second part to the air inflow is greater than that of the first part, so that most of the air can still flow into the burner b from the part of the secondary air port b12 that communicates with the top wall plate c12, Then the fan c2 draws part of the air sucked in from the first air inlet b41 to the part where the secondary air port b12 communicates with the exhaust passage c11 through the suction of the exhaust passage c11, so as to achieve the above-mentioned air in the burner b. The purpose of more even traffic distribution.

对于扰流组件：For spoiler components:

扰流板c3可以依据实际需求设定为直板、曲面板以及其它形状的板件结构等。The spoiler c3 can be set as a straight board, a curved board, or other shaped board structures according to actual needs.

具体的，如附图1、附图13和附图14所示，扰流板c3设置于进气口c13中，并存在与排气通道c11对位的第一区域、以及与顶壁板c12对位的第二区域。其中，第二区域设置有使气流能从进气口c13流至顶壁板c12的若干第二扰流孔c32。Specifically, as shown in Figure 1, Figure 13 and Figure 14, the spoiler c3 is arranged in the air inlet c13, and there is a first area aligned with the exhaust passage c11, and a top wall plate c12 Parallel to the second region. Wherein, the second area is provided with a plurality of second spoiler holes c32 for allowing the airflow to flow from the air inlet c13 to the top wall panel c12.

通过在进气口c13中增设扰流板c3，扰流板c3存在对气流进行阻碍流动的第一区域、第二区域，且在第二区域设置有第二扰流孔c32，进而在尽量不影响进气口c13与顶壁板c12相对部分的进气气流时，降低进气口c13与排气通道c11相对部分进气气流的流速，实现平衡风机组件整体进气的均匀性。By adding a spoiler c3 in the air inlet c13, the spoiler c3 has a first area and a second area that hinder the flow of the airflow, and a second spoiler hole c32 is provided in the second area, so that When affecting the intake airflow at the portion opposite to the air inlet c13 and the top wall plate c12, reduce the flow velocity of the intake airflow at the portion opposite to the air inlet c13 and the exhaust passage c11, so as to realize the uniformity of the overall air intake of the balanced fan assembly.

而当扰流板c3尺寸较大，导致进气口c13与排气通道c11相对部分进气气流无法较好流动时。However, when the size of the spoiler c3 is relatively large, the intake air flow at the portion opposite to the air inlet c13 and the exhaust passage c11 cannot flow well.

如附图1所示，在第一区域设置有使气流能从进气口c13流至排气通道c11的若干第一扰流孔c31；且第二扰流孔c32的孔径大于第一扰流孔c31的孔径。As shown in Figure 1, several first spoiler holes c31 are provided in the first area to allow the airflow to flow from the air inlet c13 to the exhaust passage c11; and the diameter of the second spoiler hole c32 is larger than that of the first spoiler Aperture diameter of hole c31.

这样针对风机c2内气流流动环境，在进气口c13中增设带有不同孔径扰流孔的扰流板c3，并使与排气通道c11对位的第一扰流孔c31的孔径小于与顶壁板对位的第二扰流孔c32的孔径，以通过不同孔径对气流流动的不同减缓作用，实现：对进气口c13与排气通道c11相对部分进气气流的流动减弱程度大于对进气口c13与顶壁板相对部分的进气气流的流动减弱程度，进而实现平衡风机c2组件c整体进气的均匀性。In this way, for the air flow environment in the fan c2, a spoiler c3 with spoiler holes of different apertures is added in the air inlet c13, and the aperture of the first spoiler c31 aligned with the exhaust passage c11 is smaller than that of the top. The hole diameter of the second spoiler hole c32 on the wall plate is used to slow down the air flow through different hole diameters, so as to achieve: the degree of weakening of the flow of the intake air flow at the opposite part of the air inlet c13 and the exhaust passage c11 is greater than that of the intake air flow The degree of weakening of the flow of the air intake air at the part opposite to the top wall plate of the air port c13 can further realize the uniformity of the overall air intake of the component c of the balanced fan c2.

同时，采用若干扰流孔结构，还能够对流经扰流板c3的气流进行过滤，将气流中的部分杂质筛分过滤出来，避免这部分被过滤出来的杂质随气流从排气通道c11进行风机c2中，进而避免对风机c2的运行以及寿命造成影响。At the same time, the structure of the interference flow hole is adopted, which can also filter the airflow passing through the spoiler c3, and screen and filter out some impurities in the airflow, so as to prevent this part of the filtered impurities from being carried out by the fan from the exhaust channel c11 with the airflow. c2, thereby avoiding the impact on the operation and life of the fan c2.

此时将风机组件c应用于其它系统或组件中，例如下文中将风机组件c用于燃气热水器的燃烧换热组件中，能对燃烧换热组件中燃烧器b燃烧后形成的高温气体进行均匀引流，使燃烧器b燃烧后形成的高温气体能够更加均匀地流经热交换组件d，优化整体换热效果。At this time, the fan assembly c is applied to other systems or components, for example, the fan assembly c is used in the combustion heat exchange assembly of the gas water heater in the following, which can uniformly heat the high-temperature gas formed by the burner b in the combustion heat exchange assembly. Drainage, so that the high-temperature gas formed after the combustion of the burner b can flow through the heat exchange component d more evenly, and optimize the overall heat exchange effect.

进一步地，如附图14、附图16所示，扰流板c3包括位于扰流板c3左右方向的第一端c33和第二端c34；且扰流板c3通过第一端c33设置的第一连接部c331和/或第二端c34设置的第二连接部c341连接于烟罩壳体c1。Further, as shown in accompanying drawings 14 and 16, the spoiler c3 includes a first end c33 and a second end c34 located in the left and right directions of the spoiler c3; A connecting portion c331 and/or a second connecting portion c341 provided at the second end c34 is connected to the hood shell c1.

本实施例中，第一连接部c331为设置在第一端c33的弯折结构，第二连接部c341为设置于第二端c34的弯折结构，且优选将第一连接部c331通过螺钉来可拆卸地固接于烟罩壳体c1左侧，将第二连接部c341通过螺钉来可拆卸地固接于烟罩壳体c1右侧。In this embodiment, the first connecting part c331 is a bent structure arranged at the first end c33, and the second connecting part c341 is a bent structure arranged at the second end c34, and the first connecting part c331 is preferably connected by screws. It is detachably fixed to the left side of the hood shell c1, and the second connecting part c341 is detachably fixed to the right side of the hood shell c1 through screws.

同时，为了避免第一端c33、第二端c34与烟罩壳体c1内壁相接，而导致气流流动至相接的缝隙中而产生涡流，对气流进行扰乱。本实施例中优选第一端c33与进气口c13的内壁之间存在间隔，和/或第二端c34与进气口c13的内壁之间存在间隔。At the same time, in order to prevent the first end c33 and the second end c34 from contacting the inner wall of the hood housing c1 , the air flow will flow into the joint gap to generate a vortex and disturb the air flow. In this embodiment, there is preferably a space between the first end c33 and the inner wall of the air inlet c13, and/or there is a space between the second end c34 and the inner wall of the air inlet c13.

如附图14和附图16所示，扰流板c3还包括另外方向上的第三端c35和第四端c36。As shown in FIG. 14 and FIG. 16 , the spoiler c3 also includes a third end c35 and a fourth end c36 in other directions.

同理，为了避免涡流的生产，优选第三端c35与进气口c13的内壁之间存在间隔，和/或第四端c36与进气口c13的内壁之间存在间隔。Similarly, in order to avoid the generation of vortex, there is preferably a space between the third end c35 and the inner wall of the air inlet c13, and/or there is a space between the fourth end c36 and the inner wall of the air inlet c13.

进一步地，如附图16所示，第三端c35弯折地形成有第一翻边部c351和/或第四端c36弯折地形成有第二翻边部c361；以增强扰流板c3的强度，降低因气流的冲击而导致扰流板c3本身抖动的可能。Further, as shown in FIG. 16, the third end c35 is bent to form a first flange portion c351 and/or the fourth end c36 is bent to form a second flange portion c361; to strengthen the spoiler c3 The strength of the spoiler c3 itself can be reduced due to the impact of the airflow.

如附图16所示，第一翻边部c351和/或第二翻边部c361的朝向为气体流出方向，降低气流冲击进入翻边的间隙而导致产生涡旋的可能。As shown in FIG. 16 , the orientation of the first flanged portion c351 and/or the second flanged portion c361 is in the direction of gas outflow, which reduces the possibility of vortices caused by the impact of airflow into the gap of the flanged portion.

如附图16所示，第一翻边部c351弯折部分的外表面和/或第二翻边部c361弯折部分的外表面为弧形；能够对流经翻边部外表面的气流更顺滑地进行引流，避免气流冲击翻边部棱角结构的外表面导致产生涡旋。As shown in accompanying drawing 16, the outer surface of the bent portion of the first flanged portion c351 and/or the outer surface of the bent portion of the second flanged portion c361 are arc-shaped; The drainage is carried out smoothly to avoid the vortex caused by the impact of the airflow on the outer surface of the angular structure of the flange.

当然，在上述基础上，为了能够形成多层过滤扰流，可以设置有多个扰流板c3，且多个扰流板c3在气体流入方向上间隔地设置于进气口c13中。Of course, on the basis of the above, in order to form multi-layer filter turbulence, a plurality of baffles c3 may be provided, and the plurality of baffles c3 are arranged at intervals in the air inlet c13 in the gas inflow direction.

当通过设置二次挡风板b4，使空气能够更加均匀地在流动系统中分布，可以使燃烧更加均匀，进而产生更加均匀的高温烟气，同时在扰流组件的设置下，使风机组件c的均匀吸引力不易对上述均匀流动的高温烟气产生破均匀性的影响，使高温烟气能够在流路系统中均匀流动而实现均衡的燃烧换热效果。By setting the secondary windshield b4, the air can be more evenly distributed in the flow system, which can make the combustion more uniform, and then generate more uniform high-temperature smoke. At the same time, under the setting of the spoiler assembly, the fan assembly c The uniform suction force is not easy to affect the uniformity of the above-mentioned uniformly flowing high-temperature flue gas, so that the high-temperature flue gas can flow uniformly in the flow path system to achieve a balanced combustion heat transfer effect.

除了上述提及的两个问题之外，如附图2和附图3所示，基于喷嘴e1与一次空气口b11间隔对位设置，使喷嘴e1向一次空气口b11中喷射燃气的同时能够卷带空气进入燃烧器b中实现燃气燃烧前与空气的预混合，来提高燃烧效果的需求，会存在一个通过影响燃烧效果进而影响燃烧换热效果的问题，即：In addition to the two problems mentioned above, as shown in Figure 2 and Figure 3, based on the spaced alignment between the nozzle e1 and the primary air port b11, the nozzle e1 can inject gas into the primary air port b11 while being able to roll Bring air into the burner b to realize the pre-mixing of gas and air before combustion to improve the combustion effect. There will be a problem that affects the combustion effect and then affects the combustion heat transfer effect, namely:

风机组件c形成的负压会通过进料通道b31、一次空气口b11对燃料进行抽吸，优化燃气的进料；同时，也会通过一次空气口b11对空气进行抽吸，而形成进气气流，这些气流部分容易沿与燃气喷射方向相垂直的方向来流至一次空气口b11与喷嘴e1之间。例如对于如附图2所示上抽风式的燃烧换热系统来说，喷嘴e1向左对一次空气口b11喷射燃气，在风机组件c向上的抽吸作用下，主要导致会形成如附图3中一次空气进气流动箭头一2所示的向上流动的气流，这些向上流动的气流容易对喷嘴e1喷射的燃气形成剪力，造成对燃气喷射的冲击，导致燃气进料不稳定进而造成燃气燃烧不稳定的问题。The negative pressure formed by the fan assembly c will suck the fuel through the feed channel b31 and the primary air port b11 to optimize the gas feed; at the same time, it will also suck the air through the primary air port b11 to form an intake airflow , these airflow parts tend to flow between the primary air port b11 and the nozzle e1 in a direction perpendicular to the gas injection direction. For example, for an upward draft combustion heat exchange system as shown in Figure 2, the nozzle e1 sprays gas to the left on the primary air port b11, and under the upward suction of the fan assembly c, it will mainly result in the formation of a combustion heat exchange system as shown in Figure 3 The upward airflow indicated by the arrow 12 in the primary air intake flow, these upward airflows are likely to form shear force on the gas injected by the nozzle e1, resulting in impact on the gas injection, resulting in unstable gas feed and gas combustion unstable problem.

因此，作为优选，本实施例中，如附图4、附图6和附图7所示，额外增设了一个一次挡风板b2。Therefore, as a preference, in this embodiment, as shown in accompanying drawings 4, 6 and 7, an additional primary windshield b2 is added.

对于一次挡风板b2：For primary windshield b2:

如附图4所示，一次挡风板b2存在有位于一次空气口b11与喷嘴e1之间的间隔一侧，并从该侧至少部分遮挡所述间隔的挡风部b21。对于如附图2所示上抽风式的燃烧换热系统来说，一次挡风板b2存在有位于一次空气口b11与喷嘴e1之间的间隔下方，并从下方至少部分遮挡所述间隔的挡风部b21。As shown in FIG. 4 , the primary wind deflector b2 has a spaced side between the primary air port b11 and the nozzle e1 and at least partially blocks the spaced windshield part b21 from this side. For the upward draft combustion heat exchange system as shown in Figure 2, the primary air baffle b2 is located below the gap between the primary air port b11 and the nozzle e1, and at least partially blocks the gap from below. Wind Department b21.

这样，能够阻碍空气沿与燃气喷射方向相垂直的方向来流至一次空气口b11与喷嘴e1之间，进而有效减弱空气对喷嘴e1喷射燃气形成的剪力，减缓对燃气喷射的冲击，使燃气能够更稳定地从一次空气口b11输入燃烧器b中，提高燃烧器b中燃气燃烧的稳定性。In this way, the air can be prevented from flowing between the primary air port b11 and the nozzle e1 in the direction perpendicular to the gas injection direction, thereby effectively weakening the shear force formed by the air on the gas injection nozzle e1, slowing down the impact on the gas injection, and making the gas The primary air port b11 can be input into the burner b more stably, and the stability of gas combustion in the burner b can be improved.

对于一次挡风板b2来说，其可以安装在燃烧器壳体b1、可以安装在燃气供应组件e、也可以安装在底壳a上。For the primary wind deflector b2, it can be installed on the burner housing b1, on the gas supply assembly e, or on the sump a.

本实施例中优选将一次挡风板b2安装在燃烧器壳体b1，能够更好地实现一次挡风板b2与燃烧器壳体b1相接。In this embodiment, it is preferable to install the primary wind deflector b2 on the burner housing b1, so that the primary wind deflector b2 can be better connected to the burner housing b1.

因为越靠近一次空气口b11，风机组件c的抽吸作用越强，越容易形成对燃气喷射有剪力作用的气流。Because the closer it is to the primary air port b11, the stronger the suction effect of the fan assembly c is, and the easier it is to form an air flow that has a shearing force on the gas injection.

如附图4和附图8所示，优选挡风部b21左端与燃烧器b相接，来对靠近燃烧器壳体b1部分的强力气流进行更好的阻挡；而在挡风部b21右端与燃气供应组件e之间留有供气流流通的通道，能够使气流如附图4中一次空气进气流动箭头二4的方向流入一次空气口b11中实现与燃气的预混合，而不易对喷嘴e1喷射燃气形成剪力影响。As shown in accompanying drawing 4 and accompanying drawing 8, it is preferable that the left end of the windshield part b21 is connected to the burner b to better block the strong airflow close to the part of the burner housing b1; while the right end of the windshield part b21 is connected to There is a channel for air flow between the gas supply components e, which can make the air flow flow into the primary air port b11 in the direction of the primary airintake flow arrow 2 4 in the accompanying drawing 4 to realize pre-mixing with the gas, and it is not easy to affect the nozzle e1 Injection of gas creates a shear effect.

此时，优选挡风部b21的端部存在与喷嘴e1在遮盖方向上间隔对位的部分。At this time, it is preferable that there is a portion aligned with the nozzle e1 at an interval in the covering direction at the end of the windshield portion b21.

例如附图8所示，优选挡风部b21的右端存在与喷嘴e1上下间隔对位的部分，即实现挡风部b21能够从下方完全对一次空气口b11与喷嘴e1之间的间隔形成遮挡，以形成更大的阻碍面积，阻碍气流竖直向上流动至一次空气口b11与喷嘴e1之间。For example, as shown in Figure 8, it is preferable that the right end of the windshield part b21 has a part aligned with the upper and lower intervals of the nozzle e1, that is, the windshield part b21 can completely block the gap between the primary air port b11 and the nozzle e1 from below, In order to form a larger obstruction area, the airflow is prevented from flowing vertically upwards between the primary air port b11 and the nozzle e1.

同时，优选挡风部b21与燃烧器b相接的部位靠近一次空气口b11。At the same time, it is preferable that the part where the windshield part b21 contacts the burner b is close to the primary air port b11.

例如附图4所示，挡风部b21左端与燃烧器b相接的部位靠近一次空气口b11的下端部，这样当气流绕过挡风部b21也不易竖直向上流动至一次空气口b11与喷嘴e1之间，而是容易在风机组件c的抽吸作用下横向流入一次空气口b11中。For example, as shown in Figure 4, the part where the left end of the windshield part b21 connects with the burner b is close to the lower end of the primary air port b11, so that when the air flow bypasses the windshield part b21, it is not easy to flow vertically upward to the primary air port b11 and Between the nozzles e1, it is easy to flow laterally into the primary air port b11 under the suction effect of the fan assembly c.

如附图6和附图7所示，挡风部b21靠近燃烧器壳体b1的一端设置有安装部b22，安装部b22适配燃烧器壳体b1的外侧面设置，且挡风部b21通过安装部b22与燃烧器壳体b1相固接，以使挡风部b21能够保持稳固的状态实现气流的阻挡。As shown in Figure 6 and Figure 7, the windshield part b21 is provided with a mounting part b22 near the end of the burner housing b1, and the mounting part b22 is fitted to the outer surface of the burner housing b1, and the windshield part b21 passes through The installation part b22 is fixedly connected to the burner casing b1, so that the windshield part b21 can maintain a stable state to block the air flow.

进一步对，优选挡风部b21与安装部b22形成于一体，例如附图6和附图7所示，安装部b22为挡风部b21的左端弯折形成，且贴合连接于燃烧器壳体b1的左侧面上。Furthermore, it is preferable that the windshield part b21 and the installation part b22 are integrally formed, for example, as shown in Figure 6 and Figure 7, the installation part b22 is formed by bending the left end of the windshield part b21, and is attached to the burner housing on the left side of b1.

同时，安装部b22采用螺钉、销钉等可拆卸地连接于燃烧器壳体b1上，以方便对一次挡风板b2进行拆换。At the same time, the installation part b22 is detachably connected to the burner housing b1 by using screws, pins, etc., so as to facilitate the removal and replacement of the primary windshield b2.

作为进一步的拓展，当需要增大一次空气口b11的空气进气量，可以如附图9所示，在挡风部b21中额外设置呈倾斜延伸的引流孔b211，其引导挡风部b21下方的气流顺着引流孔b211来趋近横向地流入一次空气口b11中。As a further extension, when it is necessary to increase the air intake volume of the primary air port b11, as shown in Figure 9, an additional drainage hole b211 extending obliquely can be provided in the windshield part b21, which guides the lower part of the windshield part b21 The air flow approaches and flows into the primary air port b11 laterally along the drainage hole b211.

以上所述仅为本发明的较佳实施例，并非对本发明的范围进行限定。另外，在本发明的实施例中所提到的术语“竖直”、“水平”、“前”、“后”等指示的方位或位置关系为基于附图所示的方位或位置关系，或者是该产品使用时惯常摆放的方位或位置关系，仅是为了便于描述本发明和简化描述，而不是指示或暗示所指的装置或元件必须具有特定的方位、以特定的方位构造和操作，因此不能理解为对本发明的限制。需要进一步说明的是，除非另有明确的规定和限定，描述中的 “安装”、“相连”、“连接”、“固定”等术语应做广义理解，例如“连接”，可以是固定连接，也可以是可拆卸连接，或一体地连接；可以是直接相连，也可以通过中间媒介间接相连，或是两个元件内部的连通。对于本领域的普通技术人员而言，可以根据具体情况理解上述术语在本发明中的具体含义。下面将参考附图并结合实施例来详细说明本发明。The above descriptions are only preferred embodiments of the present invention, and do not limit the scope of the present invention. In addition, the orientation or positional relationship indicated by the terms "vertical", "horizontal", "front", "rear", etc. mentioned in the embodiments of the present invention is based on the orientation or positional relationship shown in the drawings, or It is the usual orientation or positional relationship of the product when it is used, and it is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, Therefore, it should not be construed as limiting the invention. It needs to be further explained that, unless otherwise clearly specified and limited, terms such as "installation", "connection", "connection" and "fixation" in the description should be understood in a broad sense, such as "connection", which can be a fixed connection, It can also be detachably connected, or integrally connected; it can be directly connected, or indirectly connected through an intermediary, or the internal communication of two components. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present invention according to specific situations. The present invention will be described in detail below with reference to the accompanying drawings and examples.

尽管已经示出和描述了本发明的实施例，本领域的普通技术人员可以理解：在不脱离本发明的原理和宗旨的情况下可以对这些实施例进行多种变化、修改、替换和变型，本发明的范围由权利要求及其等同物限定。Although the embodiments of the present invention have been shown and described, those skilled in the art can understand that various changes, modifications, substitutions and modifications can be made to these embodiments without departing from the principle and spirit of the present invention. The scope of the invention is defined by the claims and their equivalents.

Claims (26)

1. A flow path system for directing gas flow in a combustion heat exchange assembly having a burner (b), a fan assembly (c), the flow path system comprising:

a primary air port (b 11) into which combustion gas flows and which is provided in the burner (b);

a secondary air port (b 12) into which combustion air flows and which is provided in the burner (b);

an air inlet (c 13) which is simultaneously connected with an exhaust passage (c 11) and a top wall plate (c 12) arranged at one side of the exhaust passage (c 11);

a fan (c 2) which is communicated with the exhaust passage (c 11) and guides and exhausts the exhaust passage (c 11);

the primary air port (b 11) communicates with the air inlet port (c 13) through a first flow passage passing through the combustion zone and the heat exchange zone;

the secondary air port (b 12) is communicated with the exhaust channel (c 11) and the top wall plate (c 12) in a counterpoint mode through a second flow channel passing through the combustion zone and the heat exchange zone and the air inlet (c 13) in sequence;

A secondary wind deflector (b 4) which is covered on the secondary air port (b 12) in a way of blocking air circulation, wherein the secondary wind deflector (b 4) is provided with a first part which is communicated with the top wall plate (c 12) in a contraposition way and is provided with a first air inlet hole (b 41) for air to flow in;

a spoiler (c 3) provided in the intake port (c 13) and having a first region aligned with the exhaust duct (c 11) and a second region aligned with the top wall plate (c 12);

the second region is provided with a number of second disturbance apertures (c 32).

2. The flow path system according to claim 1, wherein: the first area is provided with a plurality of first disturbing holes (c 31), and the aperture of the second disturbing holes (c 32) is larger than that of the first disturbing holes (c 31).

3. The flow path system according to claim 1, wherein: the secondary wind shield (b 4) is covered on the air inlet side of the secondary air port (b 12).

4. The flow path system according to claim 1, wherein: the secondary wind deflector (b 4) is mounted to a burner housing (b 1) of the burner (b).

5. The flow path system according to claim 4, wherein: the secondary wind shield (b 4) is fixedly connected with the burner shell (b 1) through a plurality of connecting pieces (b 5).

6. The flow path system according to claim 5, wherein: the secondary wind shield (b 4) is provided with a plurality of mounting holes (b 42) for the connecting pieces (b 5) to penetrate through.

7. The flow path system according to claim 4, wherein: one end of the secondary wind deflector (b 4) is provided with a limiting part (b 43).

8. The flow path system according to claim 7, wherein: the limit part (b 43) is abutted against the side wall of the burner housing (b 1).

9. The flow path system according to claim 1, wherein: the flow path system further comprises a sieve element (b 6) which has a portion covering the first air inlet hole (b 41) and is provided with a plurality of sieve holes (b 601) for sieving and filtering the air flow entering the first air inlet hole (b 41).

10. The flow path system according to claim 1, wherein: the first part is provided with a plurality of first air inlet holes (b 41) for air to flow in and sieving and filtering the flowing air.

11. The flow path system according to claim 10, wherein: the secondary air deflector (b 4) further comprises a second portion spaced from or adjacent to the first portion, the second portion being opposite the secondary air port (b 12);

And the second part is provided with a plurality of second air inlet holes (b 44) for air to flow in and sieving and filtering the flowing air, and the aperture of the second air inlet holes (b 44) is smaller than that of the first air inlet holes (b 41).

12. The flow path system according to claim 1, wherein: the spoiler (c 3) comprises a first end (c 33) and a second end (c 34);

the spoiler (c 3) is connected to the hood housing (c 1) via a first connection (c 331) provided at the first end (c 33) and/or a second connection (c 341) provided at the second end (c 34).

13. The flow path system according to claim 12, wherein: a space exists between the first end (c 33) and the inner wall of the air inlet (c 13), and/or a space exists between the second end (c 34) and the inner wall of the air inlet (c 13).

14. The flow path system according to claim 1, wherein: the spoiler (c 3) further comprises a third end (c 35) and a fourth end (c 36);

a space exists between the third end (c 35) and the inner wall of the air inlet (c 13), and/or a space exists between the fourth end (c 36) and the inner wall of the air inlet (c 13).

15. The flow path system according to claim 14, wherein: the third end (c 35) is formed with a first flanging part (c 351) in a bending manner and/or the fourth end (c 36) is formed with a second flanging part (c 361) in a bending manner.

16. The flow path system according to claim 15, wherein: the first flange portion (c 351) and/or the second flange portion (c 361) are oriented in the gas outflow direction.

17. The flow path system according to claim 15, wherein: the outer surface of the bending part of the first flanging part (c 351) and/or the outer surface of the bending part of the second flanging part (c 361) are arc-shaped.

18. The flow path system according to claim 1, wherein: the number of the spoilers (c 3) is plural, and the plurality of spoilers (c 3) are disposed in the gas inlet (c 13) at intervals in the gas inflow direction.

19. The flow path system according to any one of claims 1 to 18, wherein: the primary air port (b 11) is arranged in the burner (b) at a distance from the nozzle (e 1) for injecting the fuel gas.

20. The flow path system of claim 19, wherein: the flow path system further includes:

A primary air deflector (b 2) having a wind deflector (b 21) located on one side of the interval between the primary air port (b 11) and the nozzle (e 1) and at least partially shielding the interval from the side.

21. The flow path system according to claim 20, wherein: one end of the wind shielding part (b 21) is connected with the burner (b), and a channel for air circulation is arranged between the other end of the wind shielding part and the fuel gas supply assembly (e).

22. The flow path system of claim 21, wherein: the end of the wind shielding part (b 21) is provided with a part which is aligned with the nozzle (e 1) at intervals in the covering direction.

23. The flow path system of claim 21, wherein: a portion of the wind shielding portion (b 21) contacting the burner (b) is close to the primary air port (b 11).

24. The flow path system according to claim 20, wherein: the primary wind deflector (b 2) is connected to a burner housing (b 1) of the burner (b).

25. A combustion heat exchange assembly, characterized by: a flow system comprising any one of claims 1 to 24.

26. A gas water heater, characterized in that: comprising a flow system according to any one of claims 1 to 24 or comprising a combustion heat exchange assembly according to claim 24.

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