技术领域technical field
本发明属于动力电池技术领域，具体涉及一种电池恒温装置及系统。The invention belongs to the technical field of power batteries, and in particular relates to a battery constant temperature device and system.
背景技术Background technique
动力电池是电动汽车的核心部件之一，为整车提供动力，电动汽车的动力电池一般由单体组成模组，在由模组组成电池包，它的使用寿命、工作效率和安全性都直接或间接地受温度的影响，因此，要提高其性能及安全性，必须将其工作温度控制在合理范围之内。由于其内部的化学反应，会放出大量的热，如电化学反应产热，内部极化反应产热和焦耳热等，如果这些热量不能及时散出，会使其电解液着火引发火灾甚至发生爆炸，危害使用安全。目前动力电池大多采用空冷结构或者液态冷却结构来散热。其中空气冷却结构简单，成本较低，应用较为广泛。但是其换热效率低，散热不均匀，而且容易出现风道被灰尘堵塞的情况。液态冷却结构换热效率高，可以满足电池在高倍率充放电时的散热要求，发挥电池的最佳性能。但是目前针对动力电池液态冷却结构的研究并不成熟，冷却结构的换热效率不高。目前，采用的空冷结构或者液态冷却结构均存在散热效率低，模组内部温度不均匀等问题，从而直接影响电池的性能、使用寿命以及系统的安全性和可靠性。因此，设计出一种能够有效地提高换热效率的液态冷却结构是非常迫切的。The power battery is one of the core components of an electric vehicle, which provides power for the entire vehicle. The power battery of an electric vehicle generally consists of a single module, and when the battery pack is composed of modules, its service life, work efficiency and safety are directly related. Or indirectly affected by temperature, therefore, to improve its performance and safety, its working temperature must be controlled within a reasonable range. Due to its internal chemical reaction, a large amount of heat will be released, such as electrochemical reaction heat generation, internal polarization reaction heat generation and Joule heat, etc. If the heat cannot be dissipated in time, the electrolyte will catch fire and cause a fire or even an explosion. , endangering the safety of use. At present, most power batteries use an air-cooled structure or a liquid-cooled structure to dissipate heat. Among them, air cooling has simple structure, low cost and wide application. However, its heat exchange efficiency is low, the heat dissipation is uneven, and the air duct is prone to be blocked by dust. The liquid cooling structure has high heat exchange efficiency, which can meet the heat dissipation requirements of the battery during high-rate charge and discharge, and give full play to the best performance of the battery. However, the current research on the liquid cooling structure of power batteries is not mature, and the heat transfer efficiency of the cooling structure is not high. At present, the air-cooling structure or liquid cooling structure used has problems such as low heat dissipation efficiency and uneven temperature inside the module, which directly affects the performance and service life of the battery, as well as the safety and reliability of the system. Therefore, it is very urgent to design a liquid cooling structure that can effectively improve heat transfer efficiency.
发明内容Contents of the invention
鉴于此，本发明的目的在于提供一种电池恒温装置及系统，以有效地改善上述问题。In view of this, the object of the present invention is to provide a battery temperature control device and system to effectively improve the above problems.
本发明的实施例是这样实现的：Embodiments of the present invention are achieved like this:
本发明实施例提供了一种电池恒温装置，包括：箱体、设置于所述箱体内的由中空管构成的蜂巢结构和电池组。所述箱体上设置有进水口和出水口，所述进水口和所述出水口均与所述蜂巢结构的中空管连通。其中，所述电池组件包括多个设置于所述蜂巢结构的蜂窝孔内的电池。An embodiment of the present invention provides a constant temperature device for a battery, comprising: a box body, a honeycomb structure composed of hollow tubes arranged in the box body, and a battery pack. The box body is provided with a water inlet and a water outlet, and both the water inlet and the water outlet communicate with the hollow tube of the honeycomb structure. Wherein, the battery assembly includes a plurality of batteries arranged in the honeycomb holes of the honeycomb structure.
在本发明较佳的实施例中，所述电池恒温装置还包括：集流板，所述集流板设置于所述箱体内，所述电池组件中的每节电池均通过所述集流板与另一节电池串联后引出正负极。In a preferred embodiment of the present invention, the battery constant temperature device further includes: a current collecting plate, the current collecting plate is arranged in the box, and each battery in the battery assembly passes through the current collecting plate Connect the positive and negative electrodes in series with another battery.
在本发明较佳的实施例中，所述集流板包括：第一电路板和第二电路板，所述第一电路板安装于所述电池组件的顶部，所述第二电路板安装于所述电池组件的底部，所述电池组件中的每节电池的正极端均通过所述第一电路板与另一节电池的正极端串联后引出正极，所述电池组件中的每节电池的负极端均通过所述第二电路板与另一节电池的负极端串联后引出负极。In a preferred embodiment of the present invention, the current collecting plate includes: a first circuit board and a second circuit board, the first circuit board is installed on the top of the battery assembly, and the second circuit board is installed on the At the bottom of the battery assembly, the positive end of each battery in the battery assembly is connected in series with the positive end of another battery through the first circuit board to lead out the positive pole. The negative terminals are connected in series with the negative terminal of another battery through the second circuit board, and then the negative terminals are drawn out.
在本发明较佳的实施例中，所述电池恒温装置还包括：加热膜，每节所述电池外均包裹有所述加热膜。In a preferred embodiment of the present invention, the battery constant temperature device further includes: a heating film, and each battery cell is wrapped with the heating film.
在本发明较佳的实施例中，所述电池恒温装置还包括：测温装置，所述测温装置集成于所述集流板上，用于检测所述电池组件的温度信息。In a preferred embodiment of the present invention, the battery constant temperature device further includes: a temperature measuring device integrated on the collector plate for detecting temperature information of the battery assembly.
在本发明较佳的实施例中，所述电池恒温装置还包括：保温层，所述保温层设置于所述箱体的内壁上。In a preferred embodiment of the present invention, the battery constant temperature device further includes: an insulating layer, and the insulating layer is arranged on the inner wall of the box.
在本发明较佳的实施例中，所述电池恒温装置还包括：防火层，所述箱体内的顶部和底部均设置有所述防火层。In a preferred embodiment of the present invention, the battery temperature control device further includes: a fireproof layer, and the top and bottom of the box are provided with the fireproof layer.
在本发明较佳的实施例中，所述蜂巢结构的流通管道内填充有蜂窝芯。In a preferred embodiment of the present invention, the circulation channels of the honeycomb structure are filled with honeycomb cores.
在本发明较佳的实施例中，所述蜂巢结构由具备阻燃性的合金材质制成。In a preferred embodiment of the present invention, the honeycomb structure is made of a flame-retardant alloy material.
本发明实施例还提供了一种电池恒温系统，包括：液体循环加热与冷却系统和上述的电池恒温装置，所述液体循环加热与冷却系统包括：供液管道和回流管道，所述供液管道与所述电池恒温装置中的进水口过盈连接，所述回流管道与所述电池恒温装置中的出水口过盈连接。An embodiment of the present invention also provides a battery constant temperature system, including: a liquid circulation heating and cooling system and the above-mentioned battery constant temperature device, the liquid circulation heating and cooling system includes: a liquid supply pipeline and a return pipeline, and the liquid supply pipeline It is interference-connected with the water inlet in the battery thermostat, and the return pipe is interference-connected with the water outlet in the battery thermostat.
本发明实施例提供了一种电池恒温装置及系统。该电池恒温装置包括：箱体、设置于所述箱体内的由中空管构成的蜂巢结构和电池组件。设置于箱体内的由中空管构成的蜂巢结构不仅可以极大的降低电池恒温装置的重量和节约成本，而且还可以在有限的空间内使得冷却液的流量大大增加，从而提高电池组块的换热效率。其次，电池组件是由多个设置于所述蜂巢结构的蜂窝孔内的单体电池串联构成，将每个单体电池设置于蜂巢结构的蜂窝孔内，可以最大程度的增加电阻组件与冷却液的换热面积，进一步提高换热效率。本发明具备：散热效率高、结构简单、加工制造方便、重量轻、成本低、性能优良，并且能提高电池组块整体的能量密度、性能、使用寿命以及系统的安全性和可靠性。The embodiment of the present invention provides a battery constant temperature device and system. The battery constant temperature device comprises: a box body, a honeycomb structure composed of hollow tubes arranged in the box body, and a battery assembly. The honeycomb structure composed of hollow tubes arranged in the box can not only greatly reduce the weight of the battery thermostat and save costs, but also greatly increase the flow rate of the cooling liquid in a limited space, thereby improving the stability of the battery block. heat transfer efficiency. Secondly, the battery assembly is composed of a plurality of single cells arranged in series in the honeycomb holes of the honeycomb structure, and each single cell is arranged in the honeycomb holes of the honeycomb structure, which can increase the resistance of the assembly and the coolant to the greatest extent. The heat exchange area further improves the heat exchange efficiency. The invention has the advantages of high heat dissipation efficiency, simple structure, convenient processing and manufacturing, light weight, low cost and excellent performance, and can improve the energy density, performance, service life of the battery block as a whole, and the safety and reliability of the system.
本发明的其他特征和优点将在随后的说明书阐述，并且，部分地从说明书中变得显而易见，或者通过实施本发明实施例而了解。本发明的目的和其他优点可通过在所写的说明书、权利要求书以及附图中所特别指出的结构来实现和获得。Additional features and advantages of the invention will be set forth in the description which follows, and in part will be apparent from the description, or can be learned by practice of the invention. The objectives and other advantages of the invention may be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.
附图说明Description of drawings
为了更清楚地说明本发明实施例或现有技术中的技术方案，下面将对实施例中所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图仅仅是本发明的一些实施例，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图获得其他的附图。通过附图所示，本发明的上述及其它目的、特征和优势将更加清晰。在全部附图中相同的附图标记指示相同的部分。并未刻意按实际尺寸等比例缩放绘制附图，重点在于示出本发明的主旨。In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the accompanying drawings required in the embodiments. Obviously, the accompanying drawings in the following description are only some of the present invention. Embodiments, for those of ordinary skill in the art, other drawings can also be obtained based on these drawings without any creative effort. The above and other objects, features and advantages of the present invention will be more clearly illustrated by the accompanying drawings. Like reference numerals designate like parts throughout the drawings. The drawings are not intentionally scaled according to the actual size, and the emphasis is on illustrating the gist of the present invention.
图1示出了本发明实施例提供的一种电池恒温装置的结构示意图。Fig. 1 shows a schematic structural diagram of a battery temperature device provided by an embodiment of the present invention.
图2示出了本发明实施例提供的图1中的A－A截面剖视图。Fig. 2 shows a sectional view along AA in Fig. 1 provided by an embodiment of the present invention.
图3示出了本发明实施例提供的图1中的B－B截面剖视图。Fig. 3 shows a sectional view along line BB in Fig. 1 provided by an embodiment of the present invention.
图4示出了本发明实施例提供的图3中的第一电路板的结构示意图。FIG. 4 shows a schematic structural diagram of the first circuit board in FIG. 3 provided by an embodiment of the present invention.
图5示出了本发明实施例提供的图3中的第二电路板的结构示意图。FIG. 5 shows a schematic structural diagram of the second circuit board in FIG. 3 provided by an embodiment of the present invention.
图6示出了本发明实施例提供的一种电池恒温系统的结构框图。Fig. 6 shows a structural block diagram of a battery constant temperature system provided by an embodiment of the present invention.
图标：10－电池恒温装置；11－箱体；111－进水口；112－出水口；113－保温层；114－防火层；13－蜂巢结构；131－蜂窝芯；151－单体电池；171－第一电路板；172－第二电路板；19－测温装置；30－电池恒温系统；31－液体循环加热与冷却系统；33－处理器；35－温度驱动调节模块；37－储液罐；39－调温管路。Icons: 10-battery constant temperature device; 11-cabinet; 111-water inlet; 112-water outlet; 113-insulation layer; 114-fireproof layer; 13-honeycomb structure; 131-honeycomb core; 151-single battery; 171 - first circuit board; 172 - second circuit board; 19 - temperature measuring device; 30 - battery constant temperature system; 31 - liquid circulation heating and cooling system; 33 - processor; 35 - temperature drive adjustment module; 37 - liquid storage Tank; 39-temperature regulating pipeline.
具体实施方式detailed description
为使本发明实施例的目的、技术方案和优点更加清楚，下面将结合本发明实施例中的附图，对本发明实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例是本发明一部分实施例，而不是全部的实施例。通常在此处附图中描述和示出的本发明实施例的组件可以以各种不同的配置来布置和设计。In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments. The components of the embodiments of the invention generally described and illustrated in the figures herein may be arranged and designed in a variety of different configurations.
因此，以下对在附图中提供的本发明的实施例的详细描述并非旨在限制要求保护的本发明的范围，而是仅仅表示本发明的选定实施例。基于本发明中的实施例，本领域普通技术人员在没有作出创造性劳动前提下所获得的所有其他实施例，都属于本发明保护的范围。Accordingly, the following detailed description of the embodiments of the invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely represents selected embodiments of the invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.
应注意到：相似的标号和字母在下面的附图中表示类似项，因此，一旦某一项在一个附图中被定义，则在随后的附图中不需要对其进行进一步定义和解释。It should be noted that like numerals and letters denote similar items in the following figures, therefore, once an item is defined in one figure, it does not require further definition and explanation in subsequent figures.
在本发明的描述中，需要说明的是，术语“上”、“下”、“左”、“右”、“内”、“外”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，或者是该发明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。此外，术语“第一”、“第二”、“第三”等仅用于区分描述，而不能理解为指示或暗示相对重要性。In the description of the present invention, it should be noted that the orientation or positional relationship indicated by the terms "upper", "lower", "left", "right", "inner" and "outer" are based on the Orientation or positional relationship, or the orientation or positional relationship that the inventive product is usually placed in use, is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, so as to Specific orientation configurations and operations, therefore, are not to be construed as limitations on the invention. In addition, the terms "first", "second", "third", etc. are only used for distinguishing descriptions, and should not be construed as indicating or implying relative importance.
在本发明的描述中，还需要说明的是，除非另有明确的规定和限定，术语“设置”、“安装”、“相连”、“连接”、“耦合”应做广义理解，例如，可以是固定连接，也可以是可拆卸连接，或一体地连接；可以是机械连接，也可以是电连接；可以是直接相连，也可以通过中间媒介间接相连，可以是两个元件内部的连通。对于本领域的普通技术人员而言，可以具体情况理解上述术语在本发明中的具体含义。In the description of the present invention, it also needs to be explained that, unless otherwise clearly specified and limited, the terms "setting", "installation", "connection", "connection" and "coupling" should be understood in a broad sense, for example, can be It can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediary, and it can be 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 in specific situations.
本发明实施例提供了一种电池恒温装置10，请参阅图1、图2和图3，所述电池恒温装置10包括：箱体11、设置于所述箱体11内的由中空管构成的蜂巢结构13和电池组件(图中未示出)。The embodiment of the present invention provides a battery constant temperature device 10, please refer to Fig. 1, Fig. 2 and Fig. 3, the battery thermostat device 10 includes: a box body 11, a hollow tube set in the box body 11 The honeycomb structure 13 and the battery assembly (not shown in the figure).
如图1所示，所述箱体11的形状可以有多种，于本实施例中，优选地，所述箱体11的形状可以为长方体结构。所述箱体11的材质可以有多种，于本实施例中，优选地，所述箱体11由碳纤维材质制成。由于碳纤维具有“外柔内刚”，质量比金属铝轻，但强度却高于钢铁，并且具有耐腐蚀、高模量的特性，从而能够达到保护电池的效果。As shown in FIG. 1 , the shape of the box body 11 can be various. In this embodiment, preferably, the shape of the box body 11 can be a cuboid structure. The box body 11 can be made of various materials. In this embodiment, preferably, the box body 11 is made of carbon fiber material. Because carbon fiber is "soft on the outside and rigid on the inside", its weight is lighter than metal aluminum, but its strength is higher than that of steel, and it has the characteristics of corrosion resistance and high modulus, so it can achieve the effect of protecting the battery.
所述箱体11上设置有进水口111(如图2和/或图3所示)和出水口112(如图3所示)，便于与外部液体循环加热与冷却系统连接，进而将电池的工作温度控制在合理范围之内，使其电池容量和使用寿命最大化。其中，所述进水口111的数量可以为1个，也可以是2个，还可以为两个以上。同理，出水口112的数量也可以为1个、2个，或者两个以上。以便增加散热或者加热的效率。The box body 11 is provided with a water inlet 111 (as shown in FIG. 2 and/or 3) and a water outlet 112 (as shown in FIG. 3 ), which is convenient for connecting with an external liquid circulation heating and cooling system, and then the battery The operating temperature is controlled within a reasonable range to maximize battery capacity and service life. Wherein, the number of the water inlet 111 may be one, or two, or more than two. Similarly, the number of water outlets 112 may also be one, two, or more than two. In order to increase the efficiency of heat dissipation or heating.
其中，为了保证电池的工作环境趋于稳定，作为一种实施方式，如图2所示，所述电池恒温装置10还可以包括：保温层113，所述保温层113设置于所述箱体11的内壁上。所述保温层113的材质可以有多种，于本实施例中，优选地，所述保温层113由硬质聚氨酯泡沫塑料材质构成。由于硬质聚氨酯泡沫塑料多为闭孔结构，具有绝热效果好、重量轻、比强度大、施工方便等优良特性，同时还具有隔音、防震、电绝缘、耐热、耐寒、耐溶剂等特点，进而可以保证电池的工作环境趋于稳定。Wherein, in order to ensure that the working environment of the battery tends to be stable, as an embodiment, as shown in FIG. on the inner wall. The insulation layer 113 can be made of various materials. In this embodiment, preferably, the insulation layer 113 is made of rigid polyurethane foam. Since rigid polyurethane foam is mostly a closed-cell structure, it has excellent properties such as good heat insulation effect, light weight, high specific strength, and convenient construction. It also has the characteristics of sound insulation, shockproof, electrical insulation, heat resistance, cold resistance, and solvent resistance. In turn, it can ensure that the working environment of the battery tends to be stable.
所述箱体11内还设置有中空管的蜂巢结构13，该蜂巢结构13的流通管道(中空管)分别与出水口112和进水口111连通，液体经过进水口111流入蜂巢结构13的流通管道，在经过出水口112流出，以实现电池的散热或加热。其中，电池的散热或加热取决于流经蜂巢结构13的流通管道的液体的温度。换句话说，当流经蜂巢结构13的流通管道的液体为加热液体时，可以为电池提供热量，起到加热的作用；当流经蜂巢结构13的流通管道的液体为冷却液体时，可以带走电池的热量，起到散热的作用。其中，优选地，所述蜂巢结构13的流通管道的内径为5mm。A honeycomb structure 13 of hollow tubes is also provided in the box body 11, and the circulation pipes (hollow tubes) of the honeycomb structure 13 communicate with the water outlet 112 and the water inlet 111 respectively, and the liquid flows into the honeycomb structure 13 through the water inlet 111. The circulation pipe flows out through the water outlet 112 to realize heat dissipation or heating of the battery. Wherein, the heat dissipation or heating of the battery depends on the temperature of the liquid flowing through the circulation channels of the honeycomb structure 13 . In other words, when the liquid flowing through the circulation channel of the honeycomb structure 13 is a heating liquid, it can provide heat for the battery to play a heating role; when the liquid flowing through the circulation channel of the honeycomb structure 13 is a cooling liquid, it can bring Take the heat from the battery and play a role in cooling. Wherein, preferably, the inner diameter of the circulation channel of the honeycomb structure 13 is 5 mm.
其中，所述蜂巢结构13的材质可以有多种，于本实施例中，优选地，所述蜂巢结构13由具备阻燃性的合金材质制成，该合金材质具备：材质轻、刚度大、平整度高、阻燃、保温、隔热、抗震、防潮、防化学腐蚀、耐候性强、成本低、易加工等特点，在增加对流面积的同时能够提高该恒温箱的整体性能，满足了纯电动汽车保证电池包安全的严苛要求。例如，所述具备阻燃性的合金材质采用优质合金蜂窝铝箔、合金板材及航空级胶粘剂经高温加压复合而成。Wherein, the material of the honeycomb structure 13 can be various. In this embodiment, preferably, the honeycomb structure 13 is made of a flame-retardant alloy material, and the alloy material has: light material, high rigidity, It has the characteristics of high flatness, flame retardancy, heat preservation, heat insulation, shock resistance, moisture resistance, chemical corrosion resistance, strong weather resistance, low cost, and easy processing. It can improve the overall performance of the incubator while increasing the convection area. Electric vehicles have strict requirements to ensure the safety of battery packs. For example, the flame-retardant alloy material is compounded by high-quality alloy honeycomb aluminum foil, alloy plate and aviation-grade adhesive under high temperature and pressure.
其中，所述箱体11充分利用蜂巢的结构优点，不仅节省材料，能够有效实现散热和加热功能，而且结构坚固，能有效防止电池在使用过程中发生碰撞发生爆炸等危险。Wherein, the box body 11 makes full use of the structural advantages of the honeycomb, which not only saves materials, but also can effectively realize heat dissipation and heating functions, and has a strong structure, which can effectively prevent dangers such as collision and explosion of the battery during use.
其中，为了进一步保证热传导效果以及保证整个蜂巢结构13的刚性和轻质性，作为一种实施方式，于本实施例中，优选地，所述蜂巢结构13的流通管道内填充有蜂窝芯131(如图2所示)。其中，所述蜂窝芯131的材质可以有多种，于本实施例中，优选地，所述蜂巢芯由铝材质制成。Wherein, in order to further ensure the heat conduction effect and ensure the rigidity and lightness of the entire honeycomb structure 13, as an implementation, in this embodiment, preferably, the circulation channels of the honeycomb structure 13 are filled with honeycomb cores 131 ( as shown in picture 2). Wherein, the honeycomb core 131 can be made of various materials, and in this embodiment, preferably, the honeycomb core is made of aluminum.
所述电池组件由多个设置于所述蜂巢结构13的蜂窝孔内的单体电池151串联构成(如图2所示)。该单体电池151的数量小于等于蜂巢结构13的蜂窝孔数量，以保证每节单体电池151均可以放置于所述蜂巢结构13的蜂窝孔内。其中，所述蜂巢结构13的蜂窝孔数量又可以根据实际设计需要来设定，在此不作进一步限定。The battery assembly is composed of a plurality of single batteries 151 arranged in series in the honeycomb holes of the honeycomb structure 13 (as shown in FIG. 2 ). The number of the single cells 151 is less than or equal to the number of honeycomb holes of the honeycomb structure 13 to ensure that each single battery 151 can be placed in the honeycomb holes of the honeycomb structure 13 . Wherein, the number of honeycomb holes of the honeycomb structure 13 can be set according to actual design requirements, and no further limitation is made here.
其中，于本实施例，优选地，所述单体电池151可以为18650型动力锂电池。Wherein, in this embodiment, preferably, the single battery 151 may be a 18650 type power lithium battery.
其中，为了更好地为电池组件加热，保证电池组件的温度时刻处于温控范围内，作为一种实施方式，于本实施例中，优选地，所述电池恒温装置10还包括：加热膜(图中未示出)，每节所述单体电池151外均包裹有所述加热膜。进一步，优选地，在加热膜与单体电池151之间还包括绝缘层。即，在电池的外壁裹上一层绝缘层材料之后，再包裹一层加热膜。然后再将包裹有绝缘层材料以及加热膜的单体电池151设置于蜂巢结构13的蜂窝内。Wherein, in order to better heat the battery components and ensure that the temperature of the battery components is within the temperature control range at all times, as an implementation mode, in this embodiment, preferably, the battery thermostat 10 further includes: a heating film ( not shown in the figure), each unit battery 151 is wrapped with the heating film. Further, preferably, an insulating layer is further included between the heating film and the unit cells 151 . That is, after the outer wall of the battery is wrapped with a layer of insulating material, it is then wrapped with a heating film. Then, the single battery 151 wrapped with the insulating layer material and the heating film is arranged in the honeycomb of the honeycomb structure 13 .
为了使箱体11内部电路高度集成化，减免繁琐杂乱的电线对电池的干扰，进而降低电池的故障率等，作为一种实施方式，于本实施例中，所述电池恒温装置10还包括：集流板(图中未示出)，所述集流板设置于所述箱体11内。所述电池组件中的每节电池均通过所述集流板与另一节电池串联后引出正负极。于本实施例中，优选地，所述集流板包括：第一电路板171和第二电路板172。In order to make the internal circuit of the box body 11 highly integrated, reduce the interference of complicated and messy wires to the battery, and further reduce the failure rate of the battery, etc., as an implementation mode, in this embodiment, the battery temperature control device 10 further includes: A collector plate (not shown in the figure), the collector plate is arranged in the box body 11 . Each battery in the battery assembly is connected in series with another battery through the current collecting plate to lead out positive and negative poles. In this embodiment, preferably, the current collector includes: a first circuit board 171 and a second circuit board 172 .
如图4所示，所述第一电路板171安装于所述电池组件的顶部(如图3所示)，所述电池组件中的每节电池的正极端均通过所述第一电路板171与另一节电池的正极端串联后引出正极。As shown in Figure 4, the first circuit board 171 is installed on the top of the battery assembly (as shown in Figure 3), and the positive end of each battery in the battery assembly passes through the first circuit board 171 Connect it in series with the positive terminal of another battery to lead out the positive terminal.
如图5所示，所述第二电路板172安装于所述电池组件的底部(如图3所示)，所述电池组件中的每节电池的负极端均通过所述第二电路板172与另一节电池的负极端串联后引出负极。As shown in Figure 5, the second circuit board 172 is mounted on the bottom of the battery assembly (as shown in Figure 3), and the negative terminal of each battery in the battery assembly passes through the second circuit board 172 Connect it in series with the negative terminal of another battery to lead out the negative terminal.
其中，为了防止电池在使用过程中发生碰撞起火发生爆炸等，作为一种实施方式，于本实施例中，如图3所示，优选地，所述电池恒温装置10还包括：防火层114。优选地，所述箱体11内的顶部和底部均设置有所述防火层114。进一步地，在所述第一电路板171与所述箱体11内的顶部之间设置有防火层114，在第二电路板172与所述箱体11内的底部之间设置有防火层114。Wherein, in order to prevent the battery from colliding, catching fire and exploding during use, as an implementation mode, in this embodiment, as shown in FIG. 3 , preferably, the battery thermostat 10 further includes: a fireproof layer 114 . Preferably, the fireproof layer 114 is provided on both the top and the bottom of the box body 11 . Further, a fireproof layer 114 is provided between the first circuit board 171 and the top inside the box body 11 , and a fireproof layer 114 is set between the second circuit board 172 and the bottom inside the box body 11 .
由于电池包是由电池组串并联形成的，在使用过程中，会发生类似于木桶效应，即如果其中某一单体电池151的温度过高或过低，会对整个电池包造成直接影响。如果其工作温度太低，在充放电过程中，电池内阻急剧增大，可充放电容量降低，对电池自身会带来伤害，从而也影响电池的使用寿命和整个纯电动汽车的巡航里程。为了严格监测电池组件的温度，作为一种实施方式，于本实施例中，优选地，所述集流板上还集成有测温装置19。进一步，优选地，所述测温装置19集成在所述第二电路板172上(如图5所示)，应当理解是，该测温装置19也可以集成于第一电路板171上。其中，优选地，所述测温装置19包括但不限于：温度传感器。Since the battery pack is formed by series-parallel connection of battery packs, during use, a barrel effect will occur, that is, if the temperature of one of the single cells 151 is too high or too low, it will directly affect the entire battery pack. . If the operating temperature is too low, the internal resistance of the battery will increase sharply during the charging and discharging process, and the chargeable and discharging capacity will decrease, which will cause damage to the battery itself, which will also affect the service life of the battery and the cruising range of the entire pure electric vehicle. In order to strictly monitor the temperature of the battery assembly, as an implementation manner, in this embodiment, preferably, a temperature measuring device 19 is also integrated on the collector plate. Further, preferably, the temperature measuring device 19 is integrated on the second circuit board 172 (as shown in FIG. 5 ), it should be understood that the temperature measuring device 19 may also be integrated on the first circuit board 171 . Wherein, preferably, the temperature measuring device 19 includes but not limited to: a temperature sensor.
所述温度传感器用于检测电池组件的温度，并将检测的温度信息传输给具备信号处理能力的外部设备，例如控制系统。控制系统可以根据温度传感器实时采集的温度信息实现对电池温度的监控，将其温度控制在电池最佳工作温度之间。例如，电池最佳工作温度为25—30摄氏度之间。The temperature sensor is used to detect the temperature of the battery assembly, and transmit the detected temperature information to an external device capable of signal processing, such as a control system. The control system can realize the monitoring of the battery temperature according to the temperature information collected in real time by the temperature sensor, and control the temperature within the optimal working temperature of the battery. For example, the best working temperature of the battery is between 25-30 degrees Celsius.
于本实施例中，所述温度传感器可以是目前市面上常见的测温组件。例如，热电偶、热敏电阻、电阻温度检测器(RTD)和IC温度传感器等。例如，选用数组贴在电池表面的DS18B20温度传感器，而且DS18B20温度传感器可以在市面上购买到，而DS18B20温度传感器能够被人们所购买和使用，其具体的使用方式必然已被公众所熟知，例如，具体如何设置各引脚的功能、如何设置各引脚与其他设备的连接等。In this embodiment, the temperature sensor may be a common temperature measuring component currently on the market. Examples include thermocouples, thermistors, resistance temperature detectors (RTDs), and IC temperature sensors. For example, select an array of DS18B20 temperature sensors pasted on the surface of the battery, and DS18B20 temperature sensors can be purchased in the market, and DS18B20 temperature sensors can be purchased and used by people, and the specific usage methods must be well known to the public, for example, Specifically, how to set the function of each pin, how to set the connection between each pin and other devices, etc.
本发明实施例还提供了一种电池恒温系统30，如图6所示。所述电池恒温系统30包括：液体循环加热与冷却系统31和上述的电池恒温装置10。The embodiment of the present invention also provides a battery constant temperature system 30 , as shown in FIG. 6 . The battery constant temperature system 30 includes: a liquid circulation heating and cooling system 31 and the aforementioned battery constant temperature device 10 .
所述液体循环加热与冷却系统31包括：处理器33、温度驱动调节模块35、储液罐37和调温管路39。The liquid circulation heating and cooling system 31 includes: a processor 33 , a temperature driving adjustment module 35 , a liquid storage tank 37 and a temperature adjustment pipeline 39 .
所述处理器33分别与所述电池恒温装置10中的温度传感器和所述温度驱动调节模块35耦合，用于接收温度传感器采集的温度信息，并根据该温度信息去控制所述温度驱动调节模块35去调节电池恒温装置10中的电池组件的温度，将其温度控制在电池最佳工作温度之间。例如，电池最佳工作温度为25—30摄氏度之间。优选地，当处理器33识别出电池组件需要降温时，发送第一控制命令去控制温度驱动调节模块35，将存储于储液罐37中的冷却液通过调温管路39中的供液管道来降低电池组件的温度；当处理器33识别出电池组件需要升温时，处理器33发送第二控制命令去控制温度调节驱动模块，以打开储液罐37中的智能快速加热模块，将冷却液的加热，然后调节调温管路39上的液体流量和流速，将加热后的液体通过供液管道来升高电池组件的温度。The processor 33 is respectively coupled to the temperature sensor in the battery thermostat 10 and the temperature drive adjustment module 35, and is used to receive temperature information collected by the temperature sensor, and to control the temperature drive adjustment module according to the temperature information. 35 to adjust the temperature of the battery components in the battery constant temperature device 10, and control the temperature between the optimum working temperatures of the battery. For example, the best working temperature of the battery is between 25-30 degrees Celsius. Preferably, when the processor 33 recognizes that the battery assembly needs to be cooled, it sends a first control command to control the temperature drive adjustment module 35, and the cooling liquid stored in the liquid storage tank 37 passes through the liquid supply pipeline in the temperature adjustment pipeline 39 to reduce the temperature of the battery assembly; when the processor 33 identified that the battery assembly needed to heat up, the processor 33 sent a second control command to control the temperature adjustment drive module to open the intelligent rapid heating module in the liquid storage tank 37, and the cooling liquid Then adjust the liquid flow and flow rate on the temperature regulating pipeline 39, and the heated liquid will increase the temperature of the battery assembly through the liquid supply pipeline.
其中，上述的处理器33可以是一种具备信号处理能力的芯片，例如，可以是通用处理器，包括中央处理器(Central Processing Unit，CPU)、网络处理器(NetworkProcessor，NP)等；还可以是数字信号处理器(Digital Signal Processing，DSP)、专用集成电路(Application Specific Integrated Circuit，ASIC)、现成可编程门阵列(FieldProgrammable Gate Array，FPGA)或者其他可编程逻辑器件、分立门或者晶体管逻辑器件、分立硬件组件。其中，通用处理器可以是微处理器或者也可以是任何常规的处理器等。于本实施例中，优选地，该处理器33可以是TMS320LF2812型号的微处理器，而该型号的微处理器能够被人们所购买和使用，其具体的使用方式必然已被公众所熟知，例如，具体如何设置各引脚的功能、如何设置各引脚与其他设备的连接等。Wherein, the above-mentioned processor 33 may be a chip with signal processing capability, for example, may be a general-purpose processor, including a central processing unit (Central Processing Unit, CPU), a network processor (NetworkProcessor, NP), etc.; It is a digital signal processor (Digital Signal Processing, DSP), application specific integrated circuit (Application Specific Integrated Circuit, ASIC), off-the-shelf programmable gate array (Field Programmable Gate Array, FPGA) or other programmable logic devices, discrete gate or transistor logic devices , Discrete hardware components. Wherein, the general-purpose processor may be a microprocessor or any conventional processor or the like. In this embodiment, preferably, the processor 33 may be a TMS320LF2812 type microprocessor, and this type of microprocessor can be purchased and used by people, and its specific usage must be well known to the public, for example , specifically how to set the function of each pin, how to set the connection between each pin and other devices, etc.
其中，第一控制指令和第二控制指令均可以为一个电平信号，例如高电平或低电平。低电平表示电压值低于第一数值的电压，第一数值为行业内的一个常用数值。例如，一般对于TTL电路来说，第一数值为0.0V－0.4V，而对于CMOS电路来说，第一数值为0.0－0.1V。本发明实施例中，优选地，第一数值为0V，即低电平为0V。高电平表示电压值高于第二数值的电压，第二数值为行业内的一个常用数值。例如，一般对于TTL电路来说，第二数值为2.4V－5.0V，而对于CMOS电路来说，第二数值为4.99－5.0V。本发明实施例中，优选地，第二数值为3.3V，即高电平为3.3V。Wherein, both the first control command and the second control command may be a level signal, such as high level or low level. The low level indicates a voltage whose voltage value is lower than a first value, and the first value is a commonly used value in the industry. For example, generally for a TTL circuit, the first value is 0.0V-0.4V, and for a CMOS circuit, the first value is 0.0-0.1V. In the embodiment of the present invention, preferably, the first value is 0V, that is, the low level is 0V. The high level indicates a voltage whose voltage value is higher than a second value, and the second value is a commonly used value in the industry. For example, generally for a TTL circuit, the second value is 2.4V-5.0V, and for a CMOS circuit, the second value is 4.99-5.0V. In the embodiment of the present invention, preferably, the second value is 3.3V, that is, the high level is 3.3V.
其中，作为一种实施方式，处理器33对温度传感器采集的温度信息进行预处理后，根据处理结果去控制所述温度驱动调节模块35去调节电池恒温装置10中的电池组件的温度，将其温度控制在电池最佳工作温度之间。其中，预处理包括但不限于：将接收到的温度信息与第一预设值相比较，若接收到的温度信息大于第一预设值，则表示电池组件需要降温。若接收到的温度信息小于或等于第一预设值，则将接收到的温度信息与第二预设值相比较，若大于或等于第二预设值，则表示电池组件的温度在电池最佳工作温度之间。若接收到的温度信息小于第二预设值，则表示电池组件需要升温。Wherein, as an embodiment, after the processor 33 preprocesses the temperature information collected by the temperature sensor, it controls the temperature drive adjustment module 35 to adjust the temperature of the battery assembly in the battery thermostat 10 according to the processing result, and then The temperature is controlled between the optimal working temperature of the battery. Wherein, the preprocessing includes but is not limited to: comparing the received temperature information with a first preset value, and if the received temperature information is greater than the first preset value, it indicates that the battery assembly needs to be cooled down. If the received temperature information is less than or equal to the first preset value, then the received temperature information is compared with the second preset value, and if it is greater than or equal to the second preset value, it means that the temperature of the battery pack is at the maximum value of the battery. between optimum operating temperatures. If the received temperature information is less than the second preset value, it means that the battery assembly needs to be heated up.
其中，第一预设值和第二预设值均是根据电池的最佳工作温度来设置的，例如，若电池组件的最佳工作温度为25—30摄氏度之间，则，第一预设值可以是30摄氏度，第二预设值可以是25摄氏度。Wherein, both the first preset value and the second preset value are set according to the optimal operating temperature of the battery, for example, if the optimal operating temperature of the battery pack is between 25-30 degrees Celsius, then the first preset The value may be 30 degrees Celsius, and the second preset value may be 25 degrees Celsius.
其中，应当理解的是，上述中的电池的最佳工作温度、第一预设值和第二预设值均是为了便于理解而举的例子而已，因此，不能理解成是对本发明的限制。Wherein, it should be understood that the optimum operating temperature of the battery, the first preset value and the second preset value mentioned above are all examples for easy understanding, and therefore should not be construed as limitations on the present invention.
所述温度驱动调节模块35分别与所述处理器33和所述储液罐37中的加热模块耦合，用于根据处理器33发送的控制命令去控制加热模块的启动与停止，进而控制储液罐37中的冷却液的温度，从而控制电池组件的温度。The temperature drive adjustment module 35 is respectively coupled with the processor 33 and the heating module in the liquid storage tank 37, and is used to control the start and stop of the heating module according to the control command sent by the processor 33, and then control the liquid storage tank. The temperature of the coolant in the tank 37, thereby controlling the temperature of the battery pack.
所述储液罐37用于存储冷却液，所述储液罐37中设置有用于加热冷却液的加热模块。所述储液罐37通过该调温管路39与电池恒温装置10中的进水口111和出水口112依次连通，进一步地，所述储液罐37的供液端通过所述调温管路39中的供液管道与电池恒温装置10中的进水口111连通。储液罐37的回液端通过所述调温管路39中的回液管道与电池恒温装置10中的出水口112连通，形成一个循环。The liquid storage tank 37 is used to store the cooling liquid, and a heating module for heating the cooling liquid is arranged in the liquid storage tank 37 . The liquid storage tank 37 is sequentially communicated with the water inlet 111 and the water outlet 112 in the battery thermostat 10 through the temperature regulation pipeline 39, and further, the liquid supply end of the liquid storage tank 37 passes through the temperature regulation pipeline The liquid supply pipeline in 39 communicates with the water inlet 111 in the battery thermostat 10 . The liquid return end of the liquid storage tank 37 communicates with the water outlet 112 in the battery thermostat 10 through the liquid return pipe in the temperature regulation pipe 39 , forming a cycle.
其中，设置于所述储液罐37中的加热模块可以是采用电阻丝来实现冷却液的加热。Wherein, the heating module disposed in the liquid storage tank 37 may use a resistance wire to heat the cooling liquid.
所述调温管路39用于实现储液罐37与电池恒温装置10中进水口111和出水口112的连通。优选地，所述调温管路39包括：供液管道和回液管道。所述储液罐37的出液端通过该供液管道与所述进水口111连通，所述储液罐37的回液端通过所述回液管道与所述出水端连通。The temperature regulating pipeline 39 is used to realize the communication between the liquid storage tank 37 and the water inlet 111 and the water outlet 112 in the battery thermostat 10 . Preferably, the temperature regulating pipeline 39 includes: a liquid supply pipeline and a liquid return pipeline. The liquid outlet end of the liquid storage tank 37 communicates with the water inlet 111 through the liquid supply pipe, and the liquid return end of the liquid storage tank 37 communicates with the water outlet end through the liquid return pipe.
其中，优选地，所述调温管路39还包括：电磁阀。供液管道和回液管道上均设置有用于控制冷却液的流速和流量的所述电磁阀。为了便于区分，不妨将设置于供液管道上的电磁阀命名为第一电磁阀，将设置于回液管道上的电磁阀命名为第二电磁阀。当处理器33识别出电池组件需要升温或者降温时，通过发送控制指令去控制第一电磁阀和/或第二电磁阀去控制管道中液体的流速和流量，以保证电池始终工作在最佳工作温度之间。Wherein, preferably, the temperature regulation pipeline 39 further includes: a solenoid valve. Both the liquid supply pipeline and the liquid return pipeline are provided with the solenoid valves for controlling the flow rate and flow rate of the cooling liquid. For ease of distinction, it is advisable to name the solenoid valve arranged on the liquid supply pipeline as the first solenoid valve, and the solenoid valve arranged on the liquid return pipeline as the second solenoid valve. When the processor 33 recognizes that the battery assembly needs to heat up or cool down, it sends a control command to control the first solenoid valve and/or the second solenoid valve to control the flow rate and flow of the liquid in the pipeline, so as to ensure that the battery is always working at its best. between temperatures.
其中，该控制指令可以为一个电平信号，例如高电平或低电平。Wherein, the control instruction may be a level signal, such as high level or low level.
其中，供液管道与进水口111，以及回流管道与出水口112的连接方式可以有多种，于本实施中，优选地，所述供液管道与进水口111采用过盈连接，回流管道与出水口112采用过盈连接。Wherein, the liquid supply pipeline and the water inlet 111, and the connection mode of the return pipeline and the water outlet 112 can have many kinds, in this implementation, preferably, the described liquid supply pipeline and the water inlet 111 adopt interference connection, the return flow pipeline and the The water outlet 112 adopts an interference connection.
综上所述，本发明实施例提供了电池恒温装置及系统。一方面，该电池恒温装置包括：箱体、设置于所述箱体内的蜂巢结构、电池组件、第一电路板、第二电路板、加热膜、测温装置、保温层和防火层等。设置于箱体内的蜂巢结构不仅可以极大的降低电池恒温装置的重量和节约成本，而且还可以在有限的空间内使得冷却液的流量大大增加，从而提高电池组块的换热效率。其次，电池组件是由多个设置于所述蜂巢结构内的单体电池串联构成，将每个单体电池设置于蜂巢结构的蜂窝内，可以最大程度的增加电阻组件与冷却液的换热面积，进一步提高换热效率。再次，所述蜂巢结构的流通管道内填充有蜂窝芯，进一步保证热传导效果以及保证整个蜂巢结构的刚性和轻质性。该电池恒温装置具备：散热效率高、结构简单、重量轻、成本较低、性能优良等，能极大的提高电池组件的安全性，可以避免电池在使用过程中发生碰撞起火发生爆炸的危险发生。To sum up, the embodiments of the present invention provide a battery constant temperature device and system. On the one hand, the battery constant temperature device includes: a box body, a honeycomb structure arranged in the box body, a battery assembly, a first circuit board, a second circuit board, a heating film, a temperature measuring device, an insulation layer, a fireproof layer, and the like. The honeycomb structure arranged in the box can not only greatly reduce the weight and cost of the battery thermostat, but also greatly increase the flow rate of the cooling liquid in a limited space, thereby improving the heat exchange efficiency of the battery block. Secondly, the battery assembly is composed of a plurality of single cells arranged in series in the honeycomb structure, and each single cell is arranged in the honeycomb of the honeycomb structure, which can maximize the heat exchange area between the resistance assembly and the cooling liquid , to further improve the heat transfer efficiency. Again, the honeycomb core is filled in the circulation channel of the honeycomb structure, which further ensures the heat conduction effect and ensures the rigidity and lightness of the entire honeycomb structure. The battery constant temperature device has: high heat dissipation efficiency, simple structure, light weight, low cost, excellent performance, etc., can greatly improve the safety of battery components, and can avoid the danger of battery collision, fire and explosion during use .
另一方面，电池恒温系统，包括：处理器、温度驱动调节模块、储液罐、调温管路和电池恒温装置等。该电池恒温系统可以根据温度传感器的测量温度，实时控制电池组件的温度，将其温度控制在电池最佳工作温度之间，保证电池的实用寿命和最佳工作效率。On the other hand, the battery temperature control system includes: a processor, a temperature-driven regulation module, a liquid storage tank, a temperature control pipeline, and a battery temperature control device. The battery constant temperature system can control the temperature of the battery components in real time according to the temperature measured by the temperature sensor, and control the temperature between the optimal working temperature of the battery to ensure the practical life and optimal working efficiency of the battery.
以上所述仅为本发明的优选实施例而已，并不用于限制本发明，对于本领域的技术人员来说，本发明可以有各种更改和变化。凡在本发明的精神和原则之内，所作的任何修改、等同替换、改进等，均应包含在本发明的保护范围之内。The above descriptions are only preferred embodiments of the present invention, and are not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and changes. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included within the protection scope of the present invention.
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710273017.8ACN106921006A (en) | 2017-04-24 | 2017-04-24 | A kind of battery thermostat and system |
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710273017.8ACN106921006A (en) | 2017-04-24 | 2017-04-24 | A kind of battery thermostat and system |
| Publication Number | Publication Date |
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| CN106921006Atrue CN106921006A (en) | 2017-07-04 |
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710273017.8APendingCN106921006A (en) | 2017-04-24 | 2017-04-24 | A kind of battery thermostat and system |
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| RJ01 | Rejection of invention patent application after publication | Application publication date:20170704 |