CN111594976A - Method for cleaning air conditioner and air conditioner - Google Patents
Method for cleaning air conditioner and air conditionerDownload PDFInfo
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
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- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L2/00—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor
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- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
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- F24F11/61—Control or safety arrangements characterised by user interfaces or communication using timers
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
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- F24F11/65—Electronic processing for selecting an operating mode
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
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Abstract
Translated fromChinese
Description
Translated fromChinese技术领域technical field
本申请涉及智能家电技术领域，例如涉及一种用于空调器清洁的方法和空调器。The present application relates to the technical field of smart home appliances, for example, to a method for cleaning an air conditioner and an air conditioner.
背景技术Background technique
目前，家居环境的洁净和健康性已被越来越多的用户所重视，空调器作为一种常见调节室内环境温湿度的空气设备，其洁净程度的高低能够极大的影响到室内环境的洁净性；从空调器长期的使用经验来看，空调器在循环输送室内空气的过程中，室内环境中的灰尘、杂质等会随着气流进入空调内部，导致空调器使用时间久了之后内部会积聚较多的污垢，针对这一情况，现有空调厂家也研发制造了很多具备自我清洁功能的空调产品，如具备喷淋冲洗换热器功能的空调器、具备蒸汽清洗换热器功能的空调器，等等。At present, the cleanliness and health of the home environment have been valued by more and more users. As a common air device that adjusts the temperature and humidity of the indoor environment, the air conditioner can greatly affect the cleanliness of the indoor environment. From the long-term use experience of the air conditioner, in the process of circulating the indoor air, the dust and impurities in the indoor environment will enter the air conditioner with the air flow, which will cause the air conditioner to accumulate inside after a long time of use. There is a lot of dirt. In response to this situation, existing air-conditioning manufacturers have also developed and manufactured many air-conditioning products with self-cleaning functions, such as air conditioners with spray flushing heat exchanger function, and air conditioners with steam cleaning heat exchanger function. ,and many more.
在实现本公开实施例的过程中，发现相关技术中至少存在如下问题：In the process of implementing the embodiments of the present disclosure, it is found that at least the following problems exist in the related art:
空调器使用过程中不仅容易积聚较多的污垢，在夏季高温天气空调运行制冷模式时，由于会在换热器表面凝结较多的冷凝水，使得空调器内部也极易滋生细菌、霉菌等微生物；现有空调器的自我清洁功能往往只是针对灰尘油污等污垢，对于滋生的微生物的清洁效果不佳。During the use of the air conditioner, it is not only easy to accumulate a lot of dirt. When the air conditioner operates in the cooling mode in high temperature weather in summer, more condensed water will condense on the surface of the heat exchanger, which makes the interior of the air conditioner very easy to breed bacteria, mold and other microorganisms. ; The self-cleaning function of the existing air conditioner is often only aimed at dirt such as dust, oil, etc., and the cleaning effect on the breeding microorganisms is not good.
发明内容SUMMARY OF THE INVENTION
为了对披露的实施例的一些方面有基本的理解，下面给出了简单的概括。所述概括不是泛泛评述，也不是要确定关键/重要组成元素或描绘这些实施例的保护范围，而是作为后面的详细说明的序言。In order to provide a basic understanding of some aspects of the disclosed embodiments, a brief summary is given below. This summary is not intended to be an extensive review, nor to identify key/critical elements or delineate the scope of protection of these embodiments, but rather serves as a prelude to the detailed description that follows.
本公开实施例提供了一种用于空调器清洁的方法和空调器，以解决相关技术中空调清洁功能的杀菌效果不佳的技术问题。Embodiments of the present disclosure provide a method for cleaning an air conditioner and an air conditioner, so as to solve the technical problem of poor sterilization effect of the cleaning function of the air conditioner in the related art.
在一些实施例中，方法包括：In some embodiments, the method includes:
响应于清洁指令，将目标换热器的表面温度加热至第一灭菌温度，进行高温灭菌；In response to the cleaning instruction, the surface temperature of the target heat exchanger is heated to the first sterilization temperature, and high temperature sterilization is performed;
在满足高温灭菌条件后，将目标换热器的表面温度降低至第二灭菌温度，进行速冷灭菌。After the high temperature sterilization conditions are satisfied, the surface temperature of the target heat exchanger is lowered to the second sterilization temperature, and rapid cooling sterilization is performed.
在一些实施例中，空调器包括：处理器和存储有程序指令的存储器，处理器被配置为在执行程序指令时，执行如上述一些实施例中示出的用于空调器清洁的方法。In some embodiments, an air conditioner includes a processor and a memory storing program instructions, the processor is configured to, when executing the program instructions, perform the method for air conditioner cleaning as shown in some of the above-described embodiments.
本公开实施例提供的用于空调器清洁的方法和空调器，可以实现以下技术效果：The method for cleaning an air conditioner and the air conditioner provided by the embodiments of the present disclosure can achieve the following technical effects:
本公开实施例提供的用于空调器清洁的方法可以先后通过高温灭菌和速冷灭菌两个过程杀灭空调器换热器上滋生的细菌，其中高温灭菌是利用较高的温度来杀灭细菌，而速冷杀菌则是利用温度从高到低的冷热急剧变化来杀灭细菌；该方法能够有效减少换热器上的细菌、霉菌等微生物，从而提高空调内部的洁净程度。The method for cleaning an air conditioner provided by the embodiments of the present disclosure can sequentially kill bacteria grown on the heat exchanger of the air conditioner through two processes of high temperature sterilization and rapid cooling sterilization. Killing bacteria, while quick-cooling sterilization uses the sharp change of temperature from high to low to kill bacteria; this method can effectively reduce bacteria, molds and other microorganisms on the heat exchanger, thereby improving the cleanliness of the interior of the air conditioner.
以上的总体描述和下文中的描述仅是示例性和解释性的，不用于限制本申请。The foregoing general description and the following description are exemplary and explanatory only and are not intended to limit the application.
附图说明Description of drawings
一个或多个实施例通过与之对应的附图进行示例性说明，这些示例性说明和附图并不构成对实施例的限定，附图中具有相同参考数字标号的元件示为类似的元件，附图不构成比例限制，并且其中：One or more embodiments are exemplified by the accompanying drawings, which are not intended to limit the embodiments, and elements with the same reference numerals in the drawings are shown as similar elements, The drawings do not constitute a limitation of scale, and in which:
图1是本公开实施例提供的一个用于空调器清洁的方法的示意图；1 is a schematic diagram of a method for cleaning an air conditioner provided by an embodiment of the present disclosure;
图2是本公开实施例提供的清洁过程中各部件的参数变化示意图；2 is a schematic diagram of parameter changes of each component in a cleaning process provided by an embodiment of the present disclosure;
图3是本公开实施例提供的一个用于空调器清洁的装置的示意图；3 is a schematic diagram of an apparatus for cleaning an air conditioner provided by an embodiment of the present disclosure;
图4是本公开实施例提供的另一个用于空调器清洁的装置的示意图。FIG. 4 is a schematic diagram of another apparatus for cleaning an air conditioner provided by an embodiment of the present disclosure.
具体实施方式Detailed ways
为了能够更加详尽地了解本公开实施例的特点与技术内容，下面结合附图对本公开实施例的实现进行详细阐述，所附附图仅供参考说明之用，并非用来限定本公开实施例。在以下的技术描述中，为方便解释起见，通过多个细节以提供对所披露实施例的充分理解。然而，在没有这些细节的情况下，一个或多个实施例仍然可以实施。在其它情况下，为简化附图，熟知的结构和装置可以简化展示。In order to understand the features and technical contents of the embodiments of the present disclosure in more detail, the implementation of the embodiments of the present disclosure will be described in detail below with reference to the accompanying drawings, which are for reference only and are not intended to limit the embodiments of the present disclosure. In the following technical description, for the convenience of explanation, numerous details are provided to provide a thorough understanding of the disclosed embodiments. However, one or more embodiments may be practiced without these details. In other instances, well-known structures and devices may be shown simplified in order to simplify the drawings.
本公开实施例的说明书和权利要求书及上述附图中的术语“第一”、“第二”等是用于区别类似的对象，而不必用于描述特定的顺序或先后次序。应该理解这样使用的数据在适当情况下可以互换，以便这里描述的本公开实施例的实施例。此外，术语“包括”和“具有”以及他们的任何变形，意图在于覆盖不排他的包含。The terms "first", "second" and the like in the description and claims of the embodiments of the present disclosure and the above-mentioned drawings are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequence. It should be understood that the data so used may be interchanged under appropriate circumstances for the purposes of implementing the embodiments of the disclosure described herein. Furthermore, the terms "comprising" and "having", and any variations thereof, are intended to cover non-exclusive inclusion.
除非另有说明，术语“多个”表示两个或两个以上。Unless stated otherwise, the term "plurality" means two or more.
本公开实施例中，字符“/”表示前后对象是一种“或”的关系。例如，A/B表示：A或B。In the embodiment of the present disclosure, the character "/" indicates that the preceding and following objects are in an "or" relationship. For example, A/B means: A or B.
术语“和/或”是一种描述对象的关联关系，表示可以存在三种关系。例如，A和/或B，表示：A或B，或，A和B这三种关系。The term "and/or" is an associative relationship describing objects, indicating that three relationships can exist. For example, A and/or B, means: A or B, or, A and B three relationships.
图1是本公开实施例提供的一个用于空调器清洁的方法的示意图。FIG. 1 is a schematic diagram of a method for cleaning an air conditioner provided by an embodiment of the present disclosure.
结合图1所示，本公开实施例提供了一种用于空调器清洁的方法，该方法可用于杀灭空调器内部的细菌、霉菌等，降低滋生的微生物数量；在本实施例中，方法包括：With reference to FIG. 1 , an embodiment of the present disclosure provides a method for cleaning an air conditioner, which can be used to kill bacteria, molds, etc. inside the air conditioner, and reduce the number of microorganisms that grow; in this embodiment, the method include:
S101、响应于清洁指令，将目标换热器的表面温度加热至第一灭菌温度，进行高温灭菌；S101. In response to the cleaning instruction, heat the surface temperature of the target heat exchanger to a first sterilization temperature, and perform high-temperature sterilization;
在一些可选的实施例中，空调器的遥控器和控制面板上新增有“杀菌功能”或“灭菌功能”等的清洁选项，该清洁选项可用于触发运行本实施例中空调器清洁的方法流程；这样在用户对该清洁选项进行选定操作后，空调器生成相关的清洁指令，并响应执行。In some optional embodiments, a cleaning option such as "sterilization function" or "sterilization function" is added to the remote control and control panel of the air conditioner, and the cleaning option can be used to trigger the operation of cleaning the air conditioner in this embodiment. The method flow; in this way, after the user selects the cleaning option, the air conditioner generates relevant cleaning instructions and executes them in response.
在又一些可选的实施例中，空调器也可以通过检测触发、定时触发等方式生成相关的清洁指令，例如，空调器增设有微生物检测装置，可用于检测一种或多种特定类型微生物的含量，则在检测到的微生物的含量高于设定的含量阈值时，说明空调器滋生的微生物较多，空调器生成相关的清洁指令；又或者，空调器具有计时模块，可用于统计空调器累计运行的时长如制冷模式或者除湿模式的累计运行时长，这里随着空调器制冷模式或者除湿模式的累计运行时长的增加，空调器内部冷凝的冷凝水也就越多并且在该种湿润环境中微生物繁殖增长的数目也就越多，因此可以设定在空调器累计运行时长超过设定时长阈值时，空调器生成相关的清洁指令。In some other optional embodiments, the air conditioner can also generate relevant cleaning instructions by means of detection trigger, timing trigger, etc. For example, the air conditioner is additionally provided with a microorganism detection device, which can be used to detect the presence of one or more specific types of microorganisms. If the content of the detected microorganism is higher than the set content threshold, it means that the air conditioner breeds more microorganisms, and the air conditioner generates relevant cleaning instructions; or, the air conditioner has a timing module, which can be used to count the air conditioner. The cumulative operation time is such as the cumulative operation time of the cooling mode or the dehumidification mode. Here, as the cumulative operation time of the air conditioner cooling mode or dehumidification mode increases, the more condensed water condensed inside the air conditioner, and in this humid environment The greater the number of microbial reproduction and growth, it can be set that the air conditioner generates a relevant cleaning instruction when the accumulative operating time of the air conditioner exceeds the set time length threshold.
在又一些可选的实施例中，空调器也可以与空调器原有清洁功能进行联动触发，如在用户选定原有清洁功能后，在执行该原有清洁功能限定的清洁流程之前生成清洁指令并执行本申请的清洁方法流程，或者在执行该原有清洁功能限定的清洁流程之后生成清洁指令并执行本申请的清洁方法流程；也即用户在选定一原有清洁功能之后，空调器是先后执行了两种不同的清洁流程，通过双重清洁的方式有效保障了空调器内部的洁净度。In some other optional embodiments, the air conditioner can also be triggered in linkage with the original cleaning function of the air conditioner. For example, after the user selects the original cleaning function, the cleaning process is generated before executing the cleaning process defined by the original cleaning function. order and execute the cleaning method flow of the present application, or generate a cleaning instruction and execute the cleaning method flow of the present application after executing the cleaning procedure limited by the original cleaning function; that is, after the user selects an original cleaning function, the air conditioner It has carried out two different cleaning processes successively, and effectively guaranteed the cleanliness of the interior of the air conditioner through double cleaning.
例如，空调器原有清洁功能为喷淋清洗功能，该喷淋清洗功能是将水喷淋至空调器的换热器上，以通过流水冲刷的方式清洁换热器，则一种可选的实施方式是本申请的清洁方法流程是在执行喷淋清洗功能之前运行，也即在用户选定喷淋清洗功能之后，先控制执行本申请清洁方法流程杀灭细菌等微生物，之后在执行喷淋清洗功能，这样流水不仅可以冲洗掉灰尘、油污等污垢，同时也可以将换热器上被杀灭的微生物一并冲刷掉。For example, the original cleaning function of the air conditioner is the spray cleaning function. The spray cleaning function is to spray water on the heat exchanger of the air conditioner to clean the heat exchanger by flushing with flowing water. The embodiment is that the process of the cleaning method of the present application is run before the spray cleaning function is performed, that is, after the user selects the spray cleaning function, the process of the cleaning method of the present application is controlled to kill bacteria and other microorganisms, and then the spray cleaning function is executed. With the cleaning function, the running water can not only wash away the dirt such as dust and oil, but also wash away the killed microorganisms on the heat exchanger.
在本实施例中，主要是以室内换热器为目标换热器举例说明，在执行步骤S101时，空调器调整系统内冷媒流向与制热模式的冷媒流向一致，使压缩机排出的高温冷媒先流经室内换热器，以利用高温冷媒的热量加热室内换热器,将室内换热器的表面温度加热至第一灭菌温度，进行高温灭菌。In this embodiment, the indoor heat exchanger is mainly used as the target heat exchanger for illustration. When step S101 is executed, the air conditioner adjusts the refrigerant flow direction in the system to be consistent with the refrigerant flow direction in the heating mode, so that the high temperature refrigerant discharged from the compressor First, it flows through the indoor heat exchanger to use the heat of the high-temperature refrigerant to heat the indoor heat exchanger, and the surface temperature of the indoor heat exchanger is heated to the first sterilization temperature for high-temperature sterilization.
可选的，第一灭菌温度的取值范围为大于或等于60℃。在室内换热器的表面处于该温度状况下，室内换热器表面滋生的细菌、霉菌等微生物受热会逐渐死亡，从而达到杀菌灭菌的效果。在本实施例中，第一灭菌温度为65℃。Optionally, the value range of the first sterilization temperature is greater than or equal to 60°C. When the surface of the indoor heat exchanger is at this temperature, the microorganisms such as bacteria and molds growing on the surface of the indoor heat exchanger will gradually die when heated, so as to achieve the effect of sterilization and sterilization. In this embodiment, the first sterilization temperature is 65°C.
S102、在满足高温灭菌条件后，将目标换热器的表面温度降低至第二灭菌温度，进行速冷灭菌。S102. After the high-temperature sterilization conditions are satisfied, the surface temperature of the target heat exchanger is lowered to the second sterilization temperature, and quick-cooling sterilization is performed.
在一些可选的实施例中，高温灭菌条件包括：In some optional embodiments, autoclaving conditions include:
Te≥T1灭菌且t高温≥t1；Te ≥ T1sterilization and thigh temperature ≥ t1;
其中，Te为室内换热器的盘管温度，本公开实施例中是以室内换热器的盘管位置的温度作为衡量室内换热器的表面温度的参数，则在盘管温度大于第一灭菌温度的情况下，可视为室内换热器的表面温度也大于该灭菌温度；T1灭菌为第一灭菌温度，t高温为高温灭菌的持续时长，t1为高温灭菌时长阈值。Among them, Te is the coil temperature of the indoor heat exchanger. In the embodiment of the present disclosure, the temperature of the coil position of the indoor heat exchanger is used as the parameter to measure the surface temperature of the indoor heat exchanger. In the case of a sterilization temperature, it can be considered that the surface temperature of the indoor heat exchanger is also greater than the sterilization temperature; T1sterilization is the first sterilization temperature, thigh temperature is the duration of high temperature sterilization, and t1 is high temperature sterilization. duration threshold.
可选的，t1的取值范围是大于等于30分钟。根据试验证明，当室内换热器的表面温度大于等于第一灭菌温度的持续时长大于等于30分钟时，实际灭菌效果较好，本实施例中t1为35分钟。Optionally, the value range of t1 is greater than or equal to 30 minutes. According to the test, when the surface temperature of the indoor heat exchanger is greater than or equal to the first sterilization temperature and the duration is greater than or equal to 30 minutes, the actual sterilization effect is better. In this embodiment, t1 is 35 minutes.
这里，空调器在室内换热器的盘管位置设置有一温度传感器，该温度传感器可用于检测室内换热器的盘管的实时温度；同时，空调器还设置有一用于统计室内换热器进行高温灭菌的持续时长的计时模块，该计时模块在执行步骤S101过程中的室内换热器的盘管温度大于等于第一灭菌温度时启动计时。这里，在确定满足高温灭菌条件后，计时模块清零。Here, the air conditioner is provided with a temperature sensor at the coil position of the indoor heat exchanger, and the temperature sensor can be used to detect the real-time temperature of the coil of the indoor heat exchanger; A timing module for the duration of high-temperature sterilization, the timing module starts timing when the coil temperature of the indoor heat exchanger is greater than or equal to the first sterilization temperature during the execution of step S101. Here, after it is determined that the high temperature sterilization conditions are met, the timing module is cleared.
在本实施例中，若不满足高温灭菌条件，则继续保持运行步骤S101的高温灭菌流程。In this embodiment, if the high-temperature sterilization conditions are not met, the high-temperature sterilization process of step S101 continues to be performed.
在一些可选的实施方式中，在执行步骤S102的速冷灭菌流程时，空调器调整系统内冷媒流向与制冷模式的冷媒流向一致，使压缩机排出的高温冷媒先流经室外换热器，之后节流降压后的低温冷媒输入室内换热器，以利用低温冷媒的“冷量”吸收室内换热器的热量、对室内换热器进行降温,将室内换热器的表面温度降低至第二灭菌温度，进行速冷灭菌。In some optional embodiments, when performing the quick-cooling sterilization process of step S102, the air conditioner adjusts the refrigerant flow direction in the system to be consistent with the refrigerant flow direction in the cooling mode, so that the high-temperature refrigerant discharged from the compressor first flows through the outdoor heat exchanger Then, the low-temperature refrigerant after throttling and depressurization is input to the indoor heat exchanger to absorb the heat of the indoor heat exchanger by using the "cold energy" of the low-temperature refrigerant, cool the indoor heat exchanger, and reduce the surface temperature of the indoor heat exchanger. To the second sterilization temperature, perform quick-cooling sterilization.
可选的，第二灭菌温度的取值范围为小于等于5℃。这里，由于前一高温灭菌阶段室内换热器处于温度较高的状态，而后一速冷灭菌阶段室内换热器切换至温度较低的状态，室内换热器的表面温度发生了较大幅度的冷热变化，实验证明该温度从高到低的冷热急剧变化过程也能够有效对微生物进行灭活,从而实现强化灭菌的效果。在本实施例中，第二灭菌温度为5℃。Optionally, the value range of the second sterilization temperature is less than or equal to 5°C. Here, since the indoor heat exchanger in the previous high-temperature sterilization stage is in a state of high temperature, and the indoor heat exchanger in the subsequent rapid-cooling sterilization stage is switched to a state with a lower temperature, the surface temperature of the indoor heat exchanger has increased significantly. Experiments show that the rapid change of temperature from high to low can also effectively inactivate microorganisms, thereby achieving the effect of enhanced sterilization. In this embodiment, the second sterilization temperature is 5°C.
在一些可选的实施例中，在执行步骤S102后，若满足速冷灭菌条件，则控制退出速冷灭菌。In some optional embodiments, after step S102 is performed, if the quick-cooling sterilization conditions are met, the control is to exit the quick-cooling sterilization.
可选的，速冷灭菌条件包括：Optional, rapid cooling sterilization conditions include:
Te≤T2灭菌且t低温≥t2；Te ≤ T2sterilization and tlow temperature ≥ t2;
其中，T2灭菌为第二灭菌温度，t速冷为速冷灭菌的持续时长，t2为速冷灭菌时长阈值。Among them, T2sterilization is the second sterilization temperature, trapid cooling is the duration of rapid cooling sterilization, and t2 is the duration threshold of rapid cooling sterilization.
可选的，t2的取值范围是大于等于10分钟。本实施例中t2为10分钟。Optionally, the value range of t2 is greater than or equal to 10 minutes. In this embodiment, t2 is 10 minutes.
这里，计时模块还可用于统计室内换热器进行速冷灭菌的持续时长，该计时模块在执行步骤S102过程中的室内换热器的盘管温度小于等于第二灭菌温度时启动计时。这里，在确定满足速冷灭菌条件后，计时器清零。Here, the timing module can also be used to count the duration of rapid cooling sterilization performed by the indoor heat exchanger, and the timing module starts timing when the coil temperature of the indoor heat exchanger is less than or equal to the second sterilization temperature during step S102. Here, after it is determined that the rapid cooling sterilization conditions are satisfied, the timer is cleared.
在本实施例中，若不满足速冷灭菌条件，则继续保持运行步骤S102的速冷灭菌流程。In this embodiment, if the quick-cooling sterilization conditions are not met, the quick-cooling sterilization process of step S102 is continued to be performed.
本公开实施例提供的用于空调器清洁的方法可以先后通过高温灭菌和速冷灭菌两个过程杀灭空调器换热器上滋生的细菌，其中高温灭菌是利用较高的温度来杀灭细菌，而速冷杀菌则是利用温度从高到低的冷热急剧变化来杀灭细菌；该方法能够有效减少换热器上的细菌、霉菌等微生物，从而提高空调内部的洁净程度。The method for cleaning an air conditioner provided by the embodiments of the present disclosure can sequentially kill bacteria grown on the heat exchanger of the air conditioner through two processes of high temperature sterilization and rapid cooling sterilization. Killing bacteria, while quick-cooling sterilization uses the sharp change of temperature from high to low to kill bacteria; this method can effectively reduce bacteria, molds and other microorganisms on the heat exchanger, thereby improving the cleanliness of the interior of the air conditioner.
在本实施例中，为保证高温灭菌和速冷灭菌两个阶段的灭菌效果，主要是通过控制室内风机、导风板、室外风机、节流装置、压缩机和/或四通阀等部件的工作参数实现，下面结合图2对各个阶段的参数控制分别进行示例性说明，其中图2的纵坐标为被控的各个部件的参数幅度变化，横坐标为时间。In this embodiment, in order to ensure the sterilization effect of the two stages of high-temperature sterilization and quick-cooling sterilization, mainly by controlling the indoor fan, the air guide plate, the outdoor fan, the throttling device, the compressor and/or the four-way valve The working parameters of other components are realized, and the parameter control of each stage is exemplarily described below with reference to FIG. 2 , where the ordinate in FIG.
(一)高温灭菌阶段(1) High temperature sterilization stage
室内风机在高温灭菌阶段中的控制过程分为前后两个阶段，前一阶段室内风机为停机状态，此时压缩机排出的高温冷媒开始输入室内换热器，为使室内换热器尽快升温、减少热量向室内环境的散失，因此将室内风机控制为停机状态；后一阶段室内风机为低转速状态(低档风速)，经过前一阶段后室内换热器的表面温度已接近或者达到第一灭菌温度，则此时通过控制室内风机低速运转，可以使热量在室内机内部传导，提升室内机其它部位的温度，以实现对空调机其它部位进行高温灭菌的效果。The control process of the indoor fan in the high-temperature sterilization stage is divided into two stages: the front and the back. The indoor fan is in a shutdown state in the previous stage. At this time, the high-temperature refrigerant discharged from the compressor begins to enter the indoor heat exchanger, so that the indoor heat exchanger can be heated up as soon as possible. , Reduce the heat loss to the indoor environment, so the indoor fan is controlled to be in a shutdown state; the indoor fan in the latter stage is in a low-speed state (low-speed wind speed), and the surface temperature of the indoor heat exchanger is close to or reaches the first stage after the previous stage. Sterilization temperature, at this time, by controlling the low-speed operation of the indoor fan, the heat can be conducted inside the indoor unit, and the temperature of other parts of the indoor unit can be raised to achieve the effect of high-temperature sterilization of other parts of the air conditioner.
可选的，室内风机的前后两个阶段可以采用固定时长设置，例如高温灭菌阶段的时长为35分钟，则前一阶段的时长设定为5分钟，后一阶段的时长设定为30分钟；这样，通过统计每一阶段的持续时长，在满足时长要求时控制对室内风机的状态切换。Optionally, the two stages before and after the indoor fan can be set with a fixed duration. For example, if the duration of the high-temperature sterilization stage is 35 minutes, the duration of the former stage is set to 5 minutes, and the duration of the latter stage is set to 30 minutes. ; In this way, by counting the duration of each stage, the state switching of the indoor fan can be controlled when the duration requirement is met.
在一些可选的实施例中，室内风机的前后两个阶段的切换可以根据盘管温度确定。In some optional embodiments, the switching between the front and rear stages of the indoor fan may be determined according to the temperature of the coil.
在空调器开始执行步骤S101的高温灭菌阶段时，实时通过温度传感器检测室内换热器的盘管温度，在盘管温度未达到第一灭菌温度之前，控制室内风机为停机状态，此为前一阶段，室内风机始终为停机状态；而在盘管温度达到第一灭菌温度后，进行阶段切换，室内风机切换为低转速状态。相比于前一根据固定时长进行控制的实施方式，本实施例能够更加精确的实现室内风机两个阶段的状态切换，保证室内换热器的升温速率以及室内机其它部分的灭菌效果。When the air conditioner starts to perform the high-temperature sterilization stage of step S101, the temperature sensor is used to detect the coil temperature of the indoor heat exchanger in real time, and before the coil temperature reaches the first sterilization temperature, the indoor fan is controlled to be in a shutdown state, which is In the previous stage, the indoor fan was always in a shutdown state; after the coil temperature reached the first sterilization temperature, the stage was switched, and the indoor fan was switched to a low speed state. Compared with the previous implementation of controlling according to a fixed duration, this embodiment can more accurately realize the state switching of the indoor fan in two stages, so as to ensure the heating rate of the indoor heat exchanger and the sterilization effect of other parts of the indoor unit.
在又一些可选的实施例中，室内风机的前后两个阶段的切换可以根据压缩机的初始频率确定。这里，压缩机的初始频率能够影响到其排出的冷媒温度，进而影响到对室内换热器的升温速度和室内机进行状态切换所需的时长。In some other optional embodiments, the switching between the front and rear stages of the indoor fan may be determined according to the initial frequency of the compressor. Here, the initial frequency of the compressor can affect the temperature of the refrigerant it discharges, which in turn affects the heating rate of the indoor heat exchanger and the time required for the indoor unit to switch states.
示例性的，在空调器执行步骤S101的高温灭菌阶段前，获取压缩机的初始频率，在初始频率大于设定频率阈值时，第一阶段的时长为第一时长；而在初始频率小于或等于设定频率阈值时，第一阶段的时长为第二时长，其中，第二时长大于第一时长。也即压缩机的初始频率越大，排出的冷媒温度越高，则室内换热器的表面温度达到第一灭菌温度所需的时间就越短。因此本实施例是根据压缩机的初始频率控制室内风机的状态切换，同样也可以达到精确控制、保障升温速率的作用。Exemplarily, before the air conditioner performs the high-temperature sterilization stage of step S101, the initial frequency of the compressor is obtained, and when the initial frequency is greater than the set frequency threshold, the duration of the first stage is the first duration; and when the initial frequency is less than or When it is equal to the set frequency threshold, the duration of the first stage is the second duration, where the second duration is greater than the first duration. That is, the higher the initial frequency of the compressor, the higher the temperature of the discharged refrigerant, and the shorter the time required for the surface temperature of the indoor heat exchanger to reach the first sterilization temperature. Therefore, in this embodiment, the state switching of the indoor fan is controlled according to the initial frequency of the compressor, which can also achieve precise control and ensure the heating rate.
在一些可选的实施例中，在高温灭菌阶段，室内机的导板为关闭状态或者微开状态，从而减少室内机内部的热量从出风口向室内环境的逸散。可选的，在制热工况，可以控制室内机的导板以稍大的角度开启，使高温灭菌过程中的部分冷媒热量仍能够持续的输送到室内环境中，避免清洁过程中室内环境温度降低对用户造成的不适影响。In some optional embodiments, during the high-temperature sterilization stage, the guide plate of the indoor unit is in a closed state or a slightly open state, thereby reducing the dissipation of heat inside the indoor unit from the air outlet to the indoor environment. Optionally, in the heating condition, the guide plate of the indoor unit can be controlled to open at a slightly larger angle, so that part of the refrigerant heat during the high-temperature sterilization process can still be continuously transported to the indoor environment, avoiding the indoor environment temperature during the cleaning process. Reduce discomfort to users.
高温灭菌阶段的参数包括根据室外环境温度获取的第一高温灭菌参数，其中第一高温灭菌参数包括室外风机的第一外机转速、节流装置的第一开度。The parameters of the high-temperature sterilization stage include the first high-temperature sterilization parameters obtained according to the outdoor ambient temperature, wherein the first high-temperature sterilization parameters include the first external speed of the outdoor fan and the first opening of the throttling device.
对于高温灭菌阶段的室外风机控制，室外风机对应的室外换热器处于吸热状态，室外环境温度与室外换热器之间的换热温差的高低能够影响到室外换热器的吸热效率，进而影响到对室内换热器的加热升温效果；这里，室外环境温度与室外风机为负相关关系，即室外环境温度越低，则其与室外换热器之间的换热温差就就越大，为保证吸热效果所需的换热风量也就越大。因此，本实施中根据室外环境温度的高低调整室外风机的转速，从而增强室外换热器的吸热效率，进而可以增加高温灭菌效果。For the outdoor fan control in the high-temperature sterilization stage, the outdoor heat exchanger corresponding to the outdoor fan is in the heat-absorbing state, and the heat exchange temperature difference between the outdoor ambient temperature and the outdoor heat exchanger can affect the heat-absorbing efficiency of the outdoor heat exchanger. , and then affect the heating effect of the indoor heat exchanger; here, the outdoor ambient temperature is negatively correlated with the outdoor fan, that is, the lower the outdoor ambient temperature, the greater the heat exchange temperature difference between it and the outdoor heat exchanger. The larger the amount of heat exchange air required to ensure the heat absorption effect, the greater the amount of heat exchange air required. Therefore, in this implementation, the rotational speed of the outdoor fan is adjusted according to the level of the outdoor ambient temperature, so as to enhance the heat absorption efficiency of the outdoor heat exchanger, thereby increasing the high-temperature sterilization effect.
可选的，空调器预设有室外环境温度与外机转速的第一关联关系，该第一关联关系包括室外环境温度与外机转速的一一对应关系。因此通过查找该关联关系就能够获取与当前的室外环境温度对应的外机转速，进而控制室外风机以该外机转速作为第一外机转速运行。Optionally, the air conditioner is preset with a first correlation relationship between the outdoor ambient temperature and the rotational speed of the external unit, and the first correlation relationship includes a one-to-one correspondence between the outdoor ambient temperature and the rotational speed of the outdoor unit. Therefore, by looking up the association relationship, the rotation speed of the outdoor unit corresponding to the current outdoor ambient temperature can be obtained, and then the outdoor fan is controlled to run at the rotation speed of the outdoor unit as the first rotation speed of the outdoor unit.
在又一些可选的实施例中，压缩机的频率也能够影响室外换热器的吸热效率。这里，压缩机的运行频率越高，排出的冷媒量越多，因而流入室外换热器进行换热的冷媒量也越大。因此在本实施例中是以室外环境温度和压缩机的频率共同用于确定室外风机在高温灭菌阶段的温度，表1中示出的一种可选的室外环境温度Tao和压缩机的频率f与室外风机的外机转速之间的对应关系：In yet other alternative embodiments, the frequency of the compressor can also affect the heat absorption efficiency of the outdoor heat exchanger. Here, the higher the operating frequency of the compressor, the greater the amount of refrigerant discharged, and therefore the greater the amount of refrigerant flowing into the outdoor heat exchanger for heat exchange. Therefore, in this embodiment, the outdoor ambient temperature and the frequency of the compressor are jointly used to determine the temperature of the outdoor fan during the high-temperature sterilization stage. Table 1 shows an optional outdoor ambient temperature Tao and the frequency of the compressor. Correspondence between f and the speed of the outdoor fan of the outdoor fan:
表1Table 1
在本实施例中，设定室外风机的转速档位分为7个级别，转速依次增大；表1中示出的就不同室外环境温度和频率组合所各自对应的室外风机的转速档位，在本实施例中，高温灭菌阶段的室外风机的转速控制可以通过查找上表的方式确定。In this embodiment, the speed gears of the set outdoor fans are divided into 7 levels, and the rotational speed increases in turn; the speed gears of the outdoor fans corresponding to different outdoor ambient temperature and frequency combinations shown in Table 1, In this embodiment, the rotational speed control of the outdoor fan in the high temperature sterilization stage can be determined by looking up the above table.
在一些可选的实施例中，由于室外换热器处于吸热状态，因此室外换热器自身也是处于较低的温度状态，若室外环境温度也是较低的温度状况，则室外换热器容易出现结霜的现象，例如在冬季制热工况运行本申请清洁方法流程时，室外环境温度很低，室外换热器在高温灭菌阶段就容易逐渐凝结冰霜，影响室外换热器从外界环境的吸热效率。因此本申请对于高温灭菌阶段的节流装置的控制，主要是根据室外环境的温度状况调节节流装置的开度；例如，本申请在室外环境温度较低时以较高的开度调节节流装置，这样从室内换热器流入室外换热器的冷媒也能保持较高的温度，以利用残留的冷媒热量以延缓室外换热器的结霜速度；而在室外环境屋内的较低时则以较低的开度调节节流装置，以使节流后的冷媒温度和压力更低，从而提高冷媒与外界环境的热交换效率。In some optional embodiments, since the outdoor heat exchanger is in a heat-absorbing state, the outdoor heat exchanger itself is also in a lower temperature state. If the outdoor ambient temperature is also in a lower temperature state, the outdoor heat exchanger can easily Frost formation occurs. For example, when the cleaning method process of the present application is run under heating conditions in winter, the outdoor ambient temperature is very low, and the outdoor heat exchanger is easy to gradually condense frost during the high-temperature sterilization stage, which affects the protection of the outdoor heat exchanger from the external environment. heat absorption efficiency. Therefore, the control of the throttling device in the high temperature sterilization stage in the present application is mainly to adjust the opening degree of the throttling device according to the temperature condition of the outdoor environment; for example, the present application adjusts the throttle device with a higher opening degree when the outdoor ambient temperature is low In this way, the refrigerant flowing from the indoor heat exchanger into the outdoor heat exchanger can also maintain a higher temperature, so as to use the residual refrigerant heat to delay the frosting speed of the outdoor heat exchanger; Then, the throttle device is adjusted with a lower opening degree, so that the temperature and pressure of the throttled refrigerant are lower, thereby improving the heat exchange efficiency between the refrigerant and the external environment.
可选的，空调器预设有室外环境温度与节流装置的开度的第一关联关系，该第一关联关系包括室外环境温度与开度的一一对应关系。因此通过查找该关联关系就能够获取与当前的室外环境温度对应的开度，进而控制节流装置以该开度作为第一开度开启。表2中示出了一个可选的实施例中室外环境温度与节流装置的开度之间的关联关系。Optionally, the air conditioner is preset with a first correlation relationship between the outdoor ambient temperature and the opening degree of the throttling device, and the first correlation relationship includes a one-to-one correspondence between the outdoor ambient temperature and the opening degree. Therefore, the opening degree corresponding to the current outdoor ambient temperature can be obtained by looking up the correlation relationship, and then the throttle device is controlled to open with the opening degree as the first opening degree. Table 2 shows the correlation between the outdoor ambient temperature and the opening degree of the throttle device in an optional embodiment.
表2Table 2
因此在本实施例中，高温灭菌阶段的节流装置的开度控制可以通过查找上表的方式确定。Therefore, in this embodiment, the opening degree control of the throttling device in the high temperature sterilization stage can be determined by looking up the above table.
上述多个实施例中，空调器的室外机设置有温度传感器，该温度传感器可用于检测得到用于获取第一高温灭菌参数的室外环境温度。In the above-mentioned embodiments, the outdoor unit of the air conditioner is provided with a temperature sensor, and the temperature sensor can be used to detect and obtain the outdoor ambient temperature for obtaining the first high-temperature sterilization parameter.
在本实施例中，高温灭菌阶段还包括根据室内盘管温度获取第二高温灭菌参数,第二高温灭菌参数包括压缩机的频率。In this embodiment, the high-temperature sterilization stage further includes acquiring a second high-temperature sterilization parameter according to the indoor coil temperature, and the second high-temperature sterilization parameter includes the frequency of the compressor.
在一些可选的实施例中，高温灭菌阶段的关键之一是室内换热器能够达到并维持在第一灭菌温度，由于压缩机排出的高温冷媒是先流向室内换热器，因此对于高温灭菌阶段的压缩机的控制主要是根据室内换热器的盘管温度确定。In some optional embodiments, one of the keys to the high-temperature sterilization stage is that the indoor heat exchanger can reach and maintain the first sterilization temperature. Since the high-temperature refrigerant discharged from the compressor first flows to the indoor heat exchanger, for The control of the compressor in the high temperature sterilization stage is mainly determined according to the coil temperature of the indoor heat exchanger.
可选的，在室内换热器的盘管温度小于第一灭菌温度时，控制压缩机以数值较大的第一频率运行，以增加排入室内换热器的高温冷媒量和冷媒温度，加快室内换热器升温至第一灭菌温度的速度；而在室内换热器的盘管温度大于或等于第一灭菌温度时，控制压缩机以数值小于第一频率的第二频率运行，在使室内换热器维持在第一灭菌温度的情况下，也可以避免室内换热器继续升温导致触发高温保护的问题，并能够减少压缩机的运行功耗，节能环保。Optionally, when the coil temperature of the indoor heat exchanger is lower than the first sterilization temperature, the compressor is controlled to operate at a first frequency with a larger value, so as to increase the amount of high-temperature refrigerant and the temperature of the refrigerant discharged into the indoor heat exchanger, Speed up the heating rate of the indoor heat exchanger to the first sterilization temperature; and when the coil temperature of the indoor heat exchanger is greater than or equal to the first sterilization temperature, control the compressor to run at a second frequency whose value is less than the first frequency, Under the condition that the indoor heat exchanger is maintained at the first sterilization temperature, the problem of triggering high temperature protection caused by the continuous heating of the indoor heat exchanger can also be avoided, and the operating power consumption of the compressor can be reduced, saving energy and protecting the environment.
这里，高温灭菌阶段还包括根据室内盘管温度获取、在目标换热器的表面温度大于或等于设定安全温度阈值时压缩机的降频速率，设定安全温度阈值大于第一灭菌温度。这里，安全温度阈值为换热器处于安全温度范围内的临界值，当换热器的当前温度超出该安全温度范围时，则会危害空调器的运行，容易出现故障、引发火灾等情况，本实施例中通过比较室内换热器的室内盘管温度与设定安全温度阈值，并根据比较结果控制压缩机进行降频，以减少输入换热器的冷媒量和冷媒温度，使换热器能够重新逐渐降温至安全温度范围内。Here, the high-temperature sterilization stage also includes the frequency reduction rate of the compressor when the surface temperature of the target heat exchanger is greater than or equal to the set safety temperature threshold value obtained according to the indoor coil temperature, and the set safety temperature threshold value is greater than the first sterilization temperature . Here, the safe temperature threshold is the critical value at which the heat exchanger is within the safe temperature range. When the current temperature of the heat exchanger exceeds the safe temperature range, the operation of the air conditioner will be endangered, and it will be prone to failure and fire. In the embodiment, the indoor coil temperature of the indoor heat exchanger is compared with the set safety temperature threshold, and the compressor is controlled to reduce the frequency according to the comparison result, so as to reduce the amount of refrigerant input to the heat exchanger and the temperature of the refrigerant, so that the heat exchanger can Re-cool gradually to a safe temperature range.
空调器预设有室内盘管温度与降频速率的第二关联关系，预设的第二关联关系包括室内盘管温度与降频速率的对应关系。在一个可选的实施方式中，本申请将设定安全温度阈值分为三个阈值档位(第一阈值、第二阈值和第三阈值)，三个阈值档位的温度数值逐渐增大；其中，在室内盘管温度小于等于第一阈值时，换热器目前运行状态正常，则保持当前压缩机的运行频率；而在室内盘管温度大于第一阈值、小于等于第二阈值时，则换热器存在异常，此时压缩机以数值较小的第一降频速率进行降频；而在室内盘管温度大于第二阈值、小于等于第三阈值时，则换热器异常情况较严重，此时压缩机以数值大于第一降频速率的第二降频速率进行降频，以加快对换热器的降温操作，加快热量的减少输出操作；在室内盘管温度大于第三阈值时，则换热器异常情况非常严重，此时控制压缩机停机，停止向换热器输入冷媒。The air conditioner is preset with a second correlation relationship between the indoor coil temperature and the frequency reduction rate, and the preset second correlation relationship includes a corresponding relationship between the indoor coil temperature and the frequency reduction rate. In an optional embodiment, the present application divides the set safety temperature threshold into three threshold gears (a first threshold, a second threshold and a third threshold), and the temperature values of the three threshold gears gradually increase; Wherein, when the indoor coil temperature is less than or equal to the first threshold, the heat exchanger is currently operating normally, and the current operating frequency of the compressor is maintained; and when the indoor coil temperature is greater than the first threshold and less than or equal to the second threshold, then There is an abnormality in the heat exchanger. At this time, the compressor performs frequency reduction at the first frequency reduction rate with a smaller value; and when the indoor coil temperature is greater than the second threshold value and less than or equal to the third threshold value, the abnormality of the heat exchanger is more serious. , at this time, the compressor performs frequency reduction at a second frequency reduction rate whose value is greater than the first frequency reduction rate, so as to speed up the cooling operation of the heat exchanger and speed up the operation of reducing the output of heat; when the indoor coil temperature is greater than the third threshold value , the abnormality of the heat exchanger is very serious. At this time, the compressor is controlled to stop and the input of refrigerant to the heat exchanger is stopped.
在一些可选的实施例中，在高温灭菌阶段，四通阀切换并保持使冷媒沿与制热模式一致的流向流动的阀位。In some optional embodiments, during the high temperature sterilization stage, the four-way valve switches and maintains a valve position that allows the refrigerant to flow in a flow direction consistent with the heating mode.
(二)速冷灭菌阶段(2) Rapid cooling sterilization stage
室内风机在速冷灭菌阶段以高于高温灭菌阶段的转速运行，如中档转速、高档转速等等；在速冷灭菌阶段冷媒沿与制冷模式一致的流向流动，输入室内换热器的冷媒为低温冷媒，由于前一高温灭菌阶段使室内机内部整体处于较高的温度状态，因此为了能在短时间内降低室内换热器的温度、达到使室内换热器温度发生冷热急剧变化的效果，本申请提高室内风机的转速，以加快室内机的内部热空气与低温冷媒之间的热交换速度，同时也可以加快热空气向室内环境的排出，使室内换热器的能够降温至第二灭菌温度以下。In the quick-cooling sterilization stage, the indoor fan runs at a higher speed than the high-temperature sterilization stage, such as mid-range speed, high-end speed, etc.; in the rapid-cooling sterilization stage, the refrigerant flows in the same flow direction as the cooling mode, and is input to the indoor heat exchanger. The refrigerant is a low-temperature refrigerant. Since the previous high-temperature sterilization stage keeps the interior of the indoor unit at a relatively high temperature, in order to reduce the temperature of the indoor heat exchanger in a short time, the temperature of the indoor heat exchanger can be rapidly cooled and heated. The effect of the change, the application increases the rotational speed of the indoor fan to speed up the heat exchange speed between the internal hot air of the indoor unit and the low-temperature refrigerant, and at the same time, it can also speed up the discharge of the hot air to the indoor environment, so that the indoor heat exchanger can be cooled. below the second sterilization temperature.
在图中未示出的一些实施例中，速冷灭菌阶段的室内风机的转速控制也可以根据室内盘管温度确定。In some embodiments not shown in the figures, the rotational speed control of the indoor fan in the rapid cooling sterilization stage may also be determined according to the temperature of the indoor coil.
示例性的，在空调器开始执行步骤S102的速冷灭菌阶段时，利用实时温度传感器检测室内换热器的盘管温度，在盘管温度未降低到第二灭菌温度之前，控制室内风机为中档转速状态，而在盘管温度降低到第二灭菌温度后，室内风机切换为低转速状态或者停机状态。该种控制方式可以提高室内换热器在速冷灭菌阶段的降温速冷，进而提升强化灭菌效果。Exemplarily, when the air conditioner starts to perform the rapid cooling sterilization stage of step S102, the real-time temperature sensor is used to detect the coil temperature of the indoor heat exchanger, and the indoor fan is controlled before the coil temperature drops to the second sterilization temperature. It is a mid-speed state, and after the coil temperature drops to the second sterilization temperature, the indoor fan switches to a low speed state or a shutdown state. This control method can improve the cooling and rapid cooling of the indoor heat exchanger in the rapid cooling sterilization stage, thereby enhancing the effect of enhanced sterilization.
在一些可选的实施例中，在速冷灭菌阶段，室内机的导板为微开状态，从而加快室内机的热空气的排出，提高降温速冷。同时，根据当前制冷制热工况的不同，可以进一步对室内机的导板的开启角度进行调整，如在制热工况，可以控制室内机的导板以稍大的角度开启，使热空气能够被较多的排入室内环境中，提高了对高温灭菌阶段的余热的利用率；而在制冷工况，则控制室内机的导板向上送风，以避免出现热风直吹用户的情况，提高用户的使用体验。In some optional embodiments, during the rapid cooling and sterilization stage, the guide plate of the indoor unit is in a slightly open state, thereby accelerating the discharge of hot air from the indoor unit and improving the cooling speed. At the same time, according to the current cooling and heating conditions, the opening angle of the guide plate of the indoor unit can be further adjusted. More air is discharged into the indoor environment, which improves the utilization rate of the waste heat in the high-temperature sterilization stage; while in the cooling condition, the guide plate of the indoor unit is controlled to send air upward to avoid the situation that the hot air blows directly to the user and improve the user's performance. user experience.
速冷灭菌阶段包括根据室外环境温度获取的第一速冷灭菌参数,其中第一速冷灭菌参数包括室外风机的第二外机转速和压缩机的第一频率。The quick-cooling sterilization stage includes the first quick-cooling sterilization parameters obtained according to the outdoor ambient temperature, wherein the first quick-cooling sterilization parameters include the second external machine rotational speed of the outdoor fan and the first frequency of the compressor.
对于速冷灭菌阶段的室外风机控制，室外风机对应的室外换热器处于放热状态，室外环境温度与室外换热器之间的换热温差的高低能够影响到室外换热器的放热效率，进而影响到对室内换热器的降温速冷效果；这里，室外环境温度与室外风机为正相关关系，即室外环境温度越高，则其与室外换热器之间的换热温差就就越小，为保证吸热效果所需的换热风量也就越大。因此，本实施中根据室外环境温度的高低调整室外风机的转速，从而增强室外换热器的散热效率，进而可以增加速冷灭菌效果。For the outdoor fan control in the rapid cooling and sterilization stage, the outdoor heat exchanger corresponding to the outdoor fan is in the heat release state, and the heat exchange temperature difference between the outdoor ambient temperature and the outdoor heat exchanger can affect the heat release efficiency of the outdoor heat exchanger , which in turn affects the cooling and rapid cooling effect of the indoor heat exchanger; here, the outdoor ambient temperature is positively correlated with the outdoor fan, that is, the higher the outdoor ambient temperature, the greater the heat exchange temperature difference between it and the outdoor heat exchanger. The smaller it is, the greater the amount of heat exchange air required to ensure the heat absorption effect. Therefore, in this implementation, the rotational speed of the outdoor fan is adjusted according to the level of the outdoor ambient temperature, thereby enhancing the heat dissipation efficiency of the outdoor heat exchanger, thereby increasing the effect of rapid cooling and sterilization.
可选的，空调器预设有室外环境温度与外机转速的第三关联关系，该第一关联关系包括室外环境温度与外机转速的一一对应关系。因此通过查找该关联关系就能够获取与当前的室外环境温度对应的外机转速，进而控制室外风机以该外机转速作为第二外机转速运行。Optionally, the air conditioner is preset with a third association relationship between the outdoor ambient temperature and the rotation speed of the external unit, and the first association relationship includes a one-to-one correspondence between the outdoor ambient temperature and the rotation speed of the outer unit. Therefore, by looking up the association relationship, the rotation speed of the outdoor unit corresponding to the current outdoor ambient temperature can be obtained, and then the outdoor fan can be controlled to run at the rotation speed of the outdoor unit as the rotation speed of the second outdoor unit.
在又一些可选的实施例中，压缩机的频率也能够影响室外换热器的放热效率。这里，压缩机的运行频率越高，排出的冷媒量越多，因而流入室外换热器进行换热的冷媒量也越大。因此在本实施例中是以室外环境温度和压缩机的频率共同用于确定室外风机在速冷灭菌阶段的温度，表3中示出的一种可选的室外环境温度Tao和压缩机的频率f与室外风机的外机转速之间的对应关系：In yet other alternative embodiments, the frequency of the compressor can also affect the heat release efficiency of the outdoor heat exchanger. Here, the higher the operating frequency of the compressor, the greater the amount of refrigerant discharged, and therefore the greater the amount of refrigerant flowing into the outdoor heat exchanger for heat exchange. Therefore, in this embodiment, the outdoor ambient temperature and the frequency of the compressor are jointly used to determine the temperature of the outdoor fan in the rapid cooling and sterilization stage. Table 3 shows an optional outdoor ambient temperature Tao and the compressor frequency. Correspondence between the frequency f and the speed of the outdoor fan of the outdoor fan:
表3table 3
在本实施例中，室外风机的转速档位设定与前文实施例中相同，在本实施例中，速冷灭菌阶段的室外风机的转速控制可以通过查找上表的方式确定。In this embodiment, the speed gear setting of the outdoor fan is the same as that in the previous embodiment. In this embodiment, the speed control of the outdoor fan in the rapid cooling and sterilization stage can be determined by looking up the table above.
在一些可选的实施例中，速冷灭菌阶段的关键之一是在短时间内将室内换热器降低并维持在第二灭菌温度以下；这里在速冷灭菌阶段，压缩机由于压缩机排出的高温冷媒是先流向室外换热器，则室外环境温度高低能够影响到冷媒在室外换热器与室外环境的散热效率，进而影响到流入室内换热器的冷媒温度，则本申请根据室外环境温度获取压缩机的频率，使得调整后的压缩机频率能够满足将室内换热器迅速降温至第二灭菌温度的要求。In some optional embodiments, one of the keys to the rapid cooling sterilization stage is to lower and maintain the indoor heat exchanger below the second sterilization temperature in a short period of time; here in the rapid cooling sterilization stage, the compressor The high-temperature refrigerant discharged from the compressor first flows to the outdoor heat exchanger, so the temperature of the outdoor environment can affect the heat dissipation efficiency of the refrigerant in the outdoor heat exchanger and the outdoor environment, and then affect the temperature of the refrigerant flowing into the indoor heat exchanger. The frequency of the compressor is obtained according to the outdoor ambient temperature, so that the adjusted frequency of the compressor can meet the requirement of rapidly cooling the indoor heat exchanger to the second sterilization temperature.
可选的，第三关联关系还包括室外环境温度与压缩机频率的一一对应关系,因此通过查找该关联关系就能够获取与当前的室外环境温度对应的压缩机频率。Optionally, the third association relationship further includes a one-to-one correspondence between the outdoor ambient temperature and the compressor frequency, so the compressor frequency corresponding to the current outdoor ambient temperature can be obtained by searching the association relationship.
例如，在室外环境温度大于第一外环温阈值时，控制压缩机以数值较大的第三频率运行，以增加排出的冷媒温度和冷媒量，提高冷媒在室外换热器与外界环境的热交换效率；而在室外环境温度小于第一外环温阈值时，此时冷媒与室外环境的换热效率较高,控制压缩机以数值小于第三频率的第四频率运行，可以有效减少压缩机在速冷灭菌阶段的功耗。For example, when the outdoor ambient temperature is greater than the first outer ring temperature threshold, the compressor is controlled to run at a third frequency with a larger value, so as to increase the temperature and quantity of the refrigerant discharged, and improve the heat transfer rate of the refrigerant between the outdoor heat exchanger and the external environment. Exchange efficiency; when the outdoor ambient temperature is lower than the first outer ring temperature threshold, the heat exchange efficiency between the refrigerant and the outdoor environment is high, and the compressor is controlled to run at the fourth frequency whose value is less than the third frequency, which can effectively reduce the number of compressors. Power consumption during the rapid cooling sterilization stage.
在一些可选的实施例中，速冷灭菌阶段还包括根据室内环境温度获取的第二速冷灭菌参数,其中第二速冷灭菌参数包括节流装置的第二开度。在本实施例中，速冷灭菌阶段的室内风机是以中档转速运行，因此室内环境温度在一定程度上会影响到室内换热器的温度，因此为了能够保证速冷灭菌效果，本实施例中根据室内环境的不同温度状况，调节节流装置的开度，以改变流入室内换热器的低温冷媒的温度和压力，从而降低室内环境温度对速冷灭菌效果的不利影响。In some optional embodiments, the rapid cooling sterilization stage further includes a second rapid cooling sterilization parameter obtained according to the indoor ambient temperature, wherein the second rapid cooling sterilization parameter includes a second opening degree of the throttling device. In this embodiment, the indoor fan in the quick-cooling sterilization stage runs at a mid-range speed, so the indoor ambient temperature will affect the temperature of the indoor heat exchanger to a certain extent. Therefore, in order to ensure the quick-cooling sterilization effect, this implementation In the example, according to the different temperature conditions of the indoor environment, the opening of the throttling device is adjusted to change the temperature and pressure of the low-temperature refrigerant flowing into the indoor heat exchanger, thereby reducing the adverse effect of the indoor ambient temperature on the quick-cooling sterilization effect.
可选的，空调器预设有一第四关联关系，预设的第四关联关系包括室内环境温度与开度的对应关系。表4示出的是一个可选的实施中室内环境温度Tp与节流装置的开度之间的对应关系。Optionally, the air conditioner is preset with a fourth association relationship, and the preset fourth association relationship includes the corresponding relationship between the indoor ambient temperature and the opening degree. Table 4 shows the corresponding relationship between the indoor ambient temperature Tp and the opening degree of the throttle device in an optional implementation.
表4Table 4
因此在本实施例中，速冷每件阶段的节流装置的开度控制可以通过查找上表的方式确定。Therefore, in this embodiment, the opening degree control of the throttling device in each stage of rapid cooling can be determined by looking up the above table.
在一些可选的实施例中，在执行步骤S101操作时，还可以控制启用电辅热装置进行辅助加热,以利用电辅热装置加快室内机内部的升温，缩短室内换热器达到第一灭菌温度所需的时长。In some optional embodiments, when performing the operation of step S101, it is also possible to control the activation of the electric auxiliary heating device to perform auxiliary heating, so as to use the electric auxiliary heating device to speed up the temperature rise inside the indoor unit and shorten the indoor heat exchanger to the first extinguishing temperature. the time required for the temperature of the bacteria.
在一些可选的实施例中，在满足高温灭菌条件后、进行速冷灭菌前，由于需要将冷媒流向从制热流向切换至制冷流向，因此为了保证切换过程中空调器内部系统的稳定性，本申请控制执行稳压操作，其中稳压操作包括制节流装置以最大开度开启、压缩机降频，并在确定稳压操作的持续时长大于或等于设定稳压时长后，可以开始进行速冷灭菌。In some optional embodiments, after the high-temperature sterilization conditions are met and before the quick-cooling sterilization, since the flow direction of the refrigerant needs to be switched from the heating flow direction to the cooling flow direction, in order to ensure the stability of the internal system of the air conditioner during the switching process The application controls the execution of a voltage stabilization operation, wherein the voltage stabilization operation includes controlling the throttling device to open at the maximum opening, reducing the frequency of the compressor, and after determining that the duration of the voltage stabilization operation is greater than or equal to the set voltage stabilization duration, the Begin rapid cooling sterilization.
可选的，设定稳压时长为1-2分钟。Optionally, set the voltage stabilization time to 1-2 minutes.
在一些可选的实施例中，本申请用于空调清洁的方法还包括在将目标换热器的表面温度加热至第一灭菌温度时，控制启用紫外线杀菌装置。紫外线杀菌装置可以利用紫外线光杀灭室内机内的微生物，从而提高整体杀菌效果。In some optional embodiments, the method for cleaning an air conditioner of the present application further includes controlling and enabling the ultraviolet sterilization device when the surface temperature of the target heat exchanger is heated to the first sterilization temperature. The ultraviolet sterilization device can use ultraviolet light to kill microorganisms in the indoor unit, thereby improving the overall sterilization effect.
结合图3所示，本公开实施例提供一种用于空调器清洁的装置，包括高温灭菌模块31和速冷灭菌模块32。高温灭菌模块31被配置为响应于清洁指令，将目标换热器的表面温度加热至第一灭菌温度，进行高温灭菌；速冷灭菌模块32被配置为在满足高温灭菌条件后，将目标换热器的表面温度降低至第二灭菌温度，进行速冷灭菌。With reference to FIG. 3 , an embodiment of the present disclosure provides an apparatus for cleaning an air conditioner, including a high-
采用本公开实施例提供的用于空调器清洁的装置，有利于减少换热器上的细菌、霉菌等微生物，从而提高空调内部的洁净程度。Using the device for cleaning the air conditioner provided by the embodiment of the present disclosure is beneficial to reduce microorganisms such as bacteria and mold on the heat exchanger, thereby improving the cleanliness of the interior of the air conditioner.
结合图4所示，本公开实施例提供一种用于空调器清洁的装置，包括处理器(processor)100和存储器(memory)101。可选地，该装置还可以包括通信接口(Communication Interface)102和总线103。其中，处理器100、通信接口102、存储器101可以通过总线103完成相互间的通信。通信接口102可以用于信息传输。处理器100可以调用存储器101中的逻辑指令，以执行上述实施例的用于空调器清洁的方法。With reference to FIG. 4 , an embodiment of the present disclosure provides an apparatus for cleaning an air conditioner, including a processor (processor) 100 and a memory (memory) 101 . Optionally, the apparatus may further include a communication interface (Communication Interface) 102 and a
此外，上述的存储器101中的逻辑指令可以通过软件功能单元的形式实现并作为独立的产品销售或使用时，可以存储在一个计算机可读取存储介质中。In addition, the above-mentioned logic instructions in the
存储器101作为一种计算机可读存储介质，可用于存储软件程序、计算机可执行程序，如本公开实施例中的方法对应的程序指令/模块。处理器100通过运行存储在存储器101中的程序指令/模块，从而执行功能应用以及数据处理，即实现上述实施例中用于空调器清洁的方法。As a computer-readable storage medium, the
存储器101可包括存储程序区和存储数据区，其中，存储程序区可存储操作系统、至少一个功能所需的应用程序；存储数据区可存储根据终端设备的使用所创建的数据等。此外，存储器101可以包括高速随机存取存储器，还可以包括非易失性存储器。The
本公开实施例提供了一种空调器，包含上述的用于空调器清洁的装置。Embodiments of the present disclosure provide an air conditioner, including the above-mentioned device for cleaning the air conditioner.
本公开实施例提供了一种计算机可读存储介质，存储有计算机可执行指令，所述计算机可执行指令设置为执行上述用于空调器清洁的方法。Embodiments of the present disclosure provide a computer-readable storage medium storing computer-executable instructions, where the computer-executable instructions are configured to execute the above method for cleaning an air conditioner.
本公开实施例提供了一种计算机程序产品，所述计算机程序产品包括存储在计算机可读存储介质上的计算机程序，所述计算机程序包括程序指令，当所述程序指令被计算机执行时，使所述计算机执行上述用于空调器清洁的方法。An embodiment of the present disclosure provides a computer program product, where the computer program product includes a computer program stored on a computer-readable storage medium, and the computer program includes program instructions that, when executed by a computer, cause all The computer executes the above-described method for air conditioner cleaning.
上述的计算机可读存储介质可以是暂态计算机可读存储介质，也可以是非暂态计算机可读存储介质。The above-mentioned computer-readable storage medium may be a transient computer-readable storage medium, and may also be a non-transitory computer-readable storage medium.
本公开实施例的技术方案可以以软件产品的形式体现出来，该计算机软件产品存储在一个存储介质中，包括一个或多个指令用以使得一台计算机设备(可以是个人计算机，服务器，或者网络设备等)执行本公开实施例所述方法的全部或部分步骤。而前述的存储介质可以是非暂态存储介质，包括：U盘、移动硬盘、只读存储器(ROM，Read-Only Memory)、随机存取存储器(RAM，Random Access Memory)、磁碟或者光盘等多种可以存储程序代码的介质，也可以是暂态存储介质。The technical solutions of the embodiments of the present disclosure may be embodied in the form of software products, and the computer software products are stored in a storage medium and include one or more instructions to enable a computer device (which may be a personal computer, a server, or a network equipment, etc.) to execute all or part of the steps of the methods described in the embodiments of the present disclosure. The aforementioned storage medium may be a non-transitory storage medium, including: U disk, removable hard disk, Read-Only Memory (ROM, Read-Only Memory), Random Access Memory (RAM, Random Access Memory), magnetic disk or optical disk, etc. A medium that can store program codes, and can also be a transient storage medium.
以上描述和附图充分地示出了本公开的实施例，以使本领域的技术人员能够实践它们。其他实施例可以包括结构的、逻辑的、电气的、过程的以及其他的改变。实施例仅代表可能的变化。除非明确要求，否则单独的部件和功能是可选的，并且操作的顺序可以变化。一些实施例的部分和特征可以被包括在或替换其他实施例的部分和特征。而且，本申请中使用的用词仅用于描述实施例并且不用于限制权利要求。如在实施例以及权利要求的描述中使用的，除非上下文清楚地表明，否则单数形式的“一个”(a)、“一个”(an)和“所述”(the)旨在同样包括复数形式。类似地，如在本申请中所使用的术语“和/或”是指包含一个或一个以上相关联的列出的任何以及所有可能的组合。另外，当用于本申请中时，术语“包括”(comprise)及其变型“包括”(comprises)和/或包括(comprising)等指陈述的特征、整体、步骤、操作、元素，和/或组件的存在，但不排除一个或一个以上其它特征、整体、步骤、操作、元素、组件和/或这些的分组的存在或添加。在没有更多限制的情况下，由语句“包括一个…”限定的要素，并不排除在包括所述要素的过程、方法或者设备中还存在另外的相同要素。本文中，每个实施例重点说明的可以是与其他实施例的不同之处，各个实施例之间相同相似部分可以互相参见。对于实施例公开的方法、产品等而言，如果其与实施例公开的方法部分相对应，那么相关之处可以参见方法部分的描述。The foregoing description and drawings sufficiently illustrate the embodiments of the present disclosure to enable those skilled in the art to practice them. Other embodiments may include structural, logical, electrical, process, and other changes. The examples represent only possible variations. Unless expressly required, individual components and functions are optional and the order of operations may vary. Portions and features of some embodiments may be included in or substituted for those of other embodiments. Also, the terms used in this application are used to describe the embodiments only and not to limit the claims. As used in the description of the embodiments and the claims, the singular forms "a" (a), "an" (an) and "the" (the) are intended to include the plural forms as well, unless the context clearly dictates otherwise. . Similarly, the term "and/or" as used in this application is meant to include any and all possible combinations of one or more of the associated listings. Additionally, as used in this application, the term "comprise" and its variations "comprises" and/or including and/or the like refer to stated features, integers, steps, operations, elements, and/or The presence of a component does not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components and/or groupings of these. Without further limitation, an element qualified by the phrase "comprising a..." does not preclude the presence of additional identical elements in the process, method, or device that includes the element. Herein, each embodiment may focus on the differences from other embodiments, and the same and similar parts between the various embodiments may refer to each other. For the methods, products, etc. disclosed in the embodiments, if they correspond to the method sections disclosed in the embodiments, reference may be made to the descriptions of the method sections for relevant parts.
本领域技术人员可以意识到，结合本文中所公开的实施例描述的各示例的单元及算法步骤，能够以电子硬件、或者计算机软件和电子硬件的结合来实现。这些功能究竟以硬件还是软件方式来执行，可以取决于技术方案的特定应用和设计约束条件。所述技术人员可以对每个特定的应用来使用不同方法以实现所描述的功能，但是这种实现不应认为超出本公开实施例的范围。所述技术人员可以清楚地了解到，为描述的方便和简洁，上述描述的系统、装置和单元的具体工作过程，可以参考前述方法实施例中的对应过程，在此不再赘述。Those skilled in the art can realize that the units and algorithm steps of each example described in conjunction with the embodiments disclosed herein can be implemented by electronic hardware, or a combination of computer software and electronic hardware. Whether these functions are performed in hardware or software may depend on the specific application and design constraints of the technical solution. Skilled artisans may use different methods for implementing the described functionality for each particular application, but such implementations should not be considered beyond the scope of the disclosed embodiments. The skilled person can clearly understand that, for the convenience and brevity of description, the specific working process of the above-described systems, devices and units can refer to the corresponding processes in the foregoing method embodiments, and details are not repeated here.
本文所披露的实施例中，所揭露的方法、产品(包括但不限于装置、设备等)，可以通过其它的方式实现。例如，以上所描述的装置实施例仅仅是示意性的，例如，所述单元的划分，可以仅仅为一种逻辑功能划分，实际实现时可以有另外的划分方式，例如多个单元或组件可以结合或者可以集成到另一个系统，或一些特征可以忽略，或不执行。另外，所显示或讨论的相互之间的耦合或直接耦合或通信连接可以是通过一些接口，装置或单元的间接耦合或通信连接，可以是电性，机械或其它的形式。所述作为分离部件说明的单元可以是或者也可以不是物理上分开的，作为单元显示的部件可以是或者也可以不是物理单元，即可以位于一个地方，或者也可以分布到多个网络单元上。可以根据实际的需要选择其中的部分或者全部单元来实现本实施例。另外，在本公开实施例中的各功能单元可以集成在一个处理单元中，也可以是各个单元单独物理存在，也可以两个或两个以上单元集成在一个单元中。In the embodiments disclosed herein, the disclosed methods and products (including but not limited to apparatuses, devices, etc.) may be implemented in other ways. For example, the apparatus embodiments described above are only illustrative. For example, the division of the units may only be a logical function division. In actual implementation, there may be other division methods, for example, multiple units or components may be combined Either it can be integrated into another system, or some features can be omitted, or not implemented. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be through some interfaces, indirect coupling or communication connection of devices or units, and may be in electrical, mechanical or other forms. The units described as separate components may or may not be physically separated, and components displayed as units may or may not be physical units, that is, may be located in one place, or may be distributed to multiple network units. This embodiment may be implemented by selecting some or all of the units according to actual needs. In addition, each functional unit in the embodiment of the present disclosure may be integrated into one processing unit, or each unit may exist physically alone, or two or more units may be integrated into one unit.
附图中的流程图和框图显示了根据本公开实施例的系统、方法和计算机程序产品的可能实现的体系架构、功能和操作。在这点上，流程图或框图中的每个方框可以代表一个模块、程序段或代码的一部分，所述模块、程序段或代码的一部分包含一个或多个用于实现规定的逻辑功能的可执行指令。在有些作为替换的实现中，方框中所标注的功能也可以以不同于附图中所标注的顺序发生。例如，两个连续的方框实际上可以基本并行地执行，它们有时也可以按相反的顺序执行，这可以依所涉及的功能而定。在附图中的流程图和框图所对应的描述中，不同的方框所对应的操作或步骤也可以以不同于描述中所披露的顺序发生，有时不同的操作或步骤之间不存在特定的顺序。例如，两个连续的操作或步骤实际上可以基本并行地执行，它们有时也可以按相反的顺序执行，这可以依所涉及的功能而定。框图和/或流程图中的每个方框、以及框图和/或流程图中的方框的组合，可以用执行规定的功能或动作的专用的基于硬件的系统来实现，或者可以用专用硬件与计算机指令的组合来实现。The flowchart and block diagrams in the Figures illustrate the architecture, functionality, and operation of possible implementations of systems, methods and computer program products according to embodiments of the present disclosure. In this regard, each block in the flowchart or block diagrams may represent a module, segment, or portion of code that contains one or more functions for implementing the specified logical function(s) executable instructions. In some alternative implementations, the functions noted in the blocks may occur out of the order noted in the figures. For example, two blocks in succession may, in fact, be executed substantially concurrently, or the blocks may sometimes be executed in the reverse order, depending upon the functionality involved. In the descriptions corresponding to the flowcharts and block diagrams in the accompanying drawings, operations or steps corresponding to different blocks may also occur in different sequences than those disclosed in the description, and sometimes there is no specific relationship between different operations or steps. order. For example, two consecutive operations or steps may, in fact, be performed substantially concurrently, or they may sometimes be performed in the reverse order, depending upon the functionality involved. Each block of the block diagrams and/or flowchart illustrations, and combinations of blocks in the block diagrams and/or flowchart illustrations, can be implemented in special purpose hardware-based systems that perform the specified functions or actions, or special purpose hardware implemented in combination with computer instructions.
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| WO2021174896A1 (en)* | 2020-03-03 | 2021-09-10 | 青岛海尔空调器有限总公司 | Method for cleaning air conditioner, and air conditioner |
| CN112577153A (en)* | 2020-09-25 | 2021-03-30 | 珠海格力电器股份有限公司 | Air conditioning unit control method and device, air conditioning unit and storage medium |
| CN113375267A (en)* | 2021-05-21 | 2021-09-10 | 四川长虹空调有限公司 | Air conditioner cleaning method |
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| CN113418237A (en)* | 2021-06-08 | 2021-09-21 | 重庆海尔空调器有限公司 | Control method for air conditioner and air conditioner |
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| CN116085961A (en)* | 2022-09-09 | 2023-05-09 | 珠海格力电器股份有限公司 | A method for controlling and displaying sterilization of an air-conditioning heat exchanger |
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