WO2020011019A1 - 电子膨胀阀的控制方法、空调器及计算机可读存储介质 - Google Patents
电子膨胀阀的控制方法、空调器及计算机可读存储介质 Download PDFInfo
- Publication number
- WO2020011019A1 WO2020011019A1 PCT/CN2019/092949 CN2019092949W WO2020011019A1 WO 2020011019 A1 WO2020011019 A1 WO 2020011019A1 CN 2019092949 W CN2019092949 W CN 2019092949W WO 2020011019 A1 WO2020011019 A1 WO 2020011019A1
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- WIPO (PCT)
- Prior art keywords
- opening degree
- air conditioner
- expansion valve
- electronic expansion
- exhaust temperature
- Prior art date
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Classifications
-
- 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
- F24F11/89—Arrangement or mounting of control or safety devices
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2110/00—Control inputs relating to air properties
- F24F2110/10—Temperature
Definitions
- the present application relates to the technical field of air conditioners, and in particular, to a method for controlling an electronic expansion valve, an air conditioner, and a computer-readable storage medium.
- the air conditioner when the air conditioner is heating and operating in a low temperature environment, frosting occurs on the outdoor opportunity of the air conditioner, so that the operation state of the air conditioner is in an unstable state. If the opening degree of the electronic expansion valve of the air conditioner is fixed at the set opening degree, as time goes by, the exhaust temperature of the compressor decreases rapidly, resulting in a decrease in the air temperature of the air conditioner, which makes the heating performance of the air conditioner unstable. In addition, it affects the thermal comfort of the room, causing trouble to users.
- the main purpose of the present application is to provide a control method of an electronic expansion valve, an air conditioner, and a computer-readable storage medium, which are aimed at solving the technology that affects the thermal comfort of a room by reducing the exhaust temperature at the late stage of the low temperature heating operation of the existing air conditioner problem.
- the present application provides a method for controlling an electronic expansion valve.
- the method for controlling an electronic expansion valve includes the following steps:
- the air conditioner When the air conditioner is in a heating mode and the duration of maintaining the heating mode reaches a first preset duration, obtaining a maximum exhaust temperature of the compressor of the air conditioner within the first preset duration;
- the opening degree of the electronic expansion valve corresponding to the air conditioner is adjusted based on the maximum exhaust temperature and the current exhaust temperature.
- each step of adjusting the opening degree of the electronic expansion valve based on the maximum exhaust temperature and the current exhaust temperature each time the current exhaust temperature is obtained includes:
- the opening degree of the electronic expansion valve is adjusted based on the temperature amplitude value and the current opening degree.
- the step of adjusting the opening degree of the electronic expansion valve based on the temperature amplitude and the current opening degree includes:
- the opening degree of the electronic expansion valve is adjusted based on the opening degree correction coefficient and the current opening degree.
- the step of determining an opening degree correction coefficient based on a preset amplitude interval in which the temperature amplitude is located includes:
- the preset amplitude interval in which the temperature amplitude is located is the first preset amplitude interval, determining that the opening degree correction coefficient is the first correction coefficient
- the preset amplitude interval where the temperature amplitude is located is a third preset amplitude interval, determining that the opening degree correction coefficient is a third correction coefficient
- the preset amplitude interval in which the temperature amplitude is located is a fourth preset amplitude interval, determining the opening degree correction coefficient as a fourth correction coefficient
- the first preset amplitude interval, the second preset amplitude interval, the third preset amplitude interval, and the fourth preset amplitude interval decrease in order, and the first correction coefficient and the second correction coefficient , The third correction coefficient and the fourth correction coefficient decrease in order.
- the step of adjusting the opening degree of the electronic expansion valve based on the opening degree correction coefficient and the current opening degree includes:
- a first target opening degree is calculated based on the opening degree correction coefficient and the current opening degree, and the opening degree of the electronic expansion valve is adjusted to the first target opening degree.
- the step of adjusting the opening degree of the electronic expansion valve to the first target opening degree includes:
- the opening degree of the electronic expansion valve is adjusted to the first target opening degree.
- the method further includes:
- the opening degree of the electronic expansion valve is adjusted to the minimum opening degree.
- the first preset duration ranges from 2 minutes to 7 minutes
- the second preset duration ranges from 2 minutes to 5 minutes.
- the steps for maximum exhaust temperature include:
- the maximum exhaust temperature of the compressor of the air conditioner within the first preset time period is obtained.
- the step of adjusting an opening degree of an electronic expansion valve corresponding to the air conditioner to a second target opening degree includes:
- the opening degree of the electronic expansion valve is adjusted to the second target opening degree.
- the present application further provides an air conditioner, wherein the air conditioner includes: a memory, a processor, and computer-readable instructions stored on the memory and executable on the processor, When the computer-readable instructions are executed by the processor, the steps of the method for controlling an electronic expansion valve according to any one of the above are implemented.
- the present application further provides a computer-readable storage medium, where the computer-readable storage medium stores computer-readable instructions, and the computer-readable instructions implement any of the foregoing when executed by a processor. Steps of the method for controlling an electronic expansion valve according to the item.
- the present application obtains the maximum exhaust temperature of the compressor of the air conditioner when the air conditioner is in a heating mode and the duration of the heating mode is maintained to a first preset duration. , And then acquire the current exhaust temperature of the compressor every second preset time period, and then each time the current exhaust temperature is obtained, adjust the current exhaust temperature based on the maximum exhaust temperature and the current exhaust temperature.
- the opening degree of the electronic expansion valve corresponding to the air conditioner realizes the timing adjustment of the electronic expansion valve timing according to the current exhaust temperature, so as to avoid the fixed opening of the electronic expansion valve when the air conditioner is operating at low temperature for heating.
- the low-temperature heating effect of the room air conditioner can be regularly improved according to the exhaust temperature of the compressor, and the heating capacity output of the air conditioner can be improved, thereby improving the room heating comfort and improving the user experience.
- FIG. 1 is a schematic structural diagram of an air conditioner in a hardware operating environment according to an embodiment of the present application
- FIG. 2 is a schematic flowchart of a first embodiment of a control method for an electronic expansion valve of the present application
- FIG. 3 is a second embodiment of a method for controlling an electronic expansion valve of the present application. Each time the current exhaust temperature is obtained, the electronic expansion valve is adjusted based on the maximum exhaust temperature and the current exhaust temperature. A detailed flow diagram of the opening steps;
- FIG. 4 is a detailed flowchart of a step of adjusting the opening degree of the electronic expansion valve based on the temperature amplitude and the current opening degree in a third embodiment of the control method of the electronic expansion valve of the present application;
- FIG. 5 is a detailed flowchart of a step of adjusting the opening degree of the electronic expansion valve to the first target opening degree in the fourth embodiment of the control method of the electronic expansion valve of the present application;
- FIG. 6 is a fifth embodiment of a method for controlling an electronic expansion valve of the present application, when the air conditioner is in a heating mode and the duration of maintaining the heating mode reaches a first preset duration, obtaining the first preset duration
- FIG. 7 is a refinement of the steps of adjusting the opening degree of the electronic expansion valve corresponding to the air conditioner to the second target opening degree when the air conditioner is in a heating mode in the sixth embodiment of the control method of the electronic expansion valve of the present application.
- the opening degree of the electronic expansion valve is regularly adjusted according to the maximum exhaust temperature of the compressor and the current exhaust temperature, so that the opening degree adjustment of the electronic expansion valve is more reasonable.
- the exhaust temperature of the compressor can be prevented from rapidly changing. Lowering the air temperature of the air conditioner reduces the stability of the heating performance of the air conditioner, thereby improving the thermal comfort of the room.
- FIG. 1 is a schematic structural diagram of an air conditioner in a hardware operating environment according to a solution of an embodiment of the present application.
- the air conditioner may include a processor 1001, such as a CPU, a network interface 1004, a user interface 1003, a memory 1005, and a communication bus 1002.
- the communication bus 1002 is used to implement connection and communication between these components.
- the user interface 1003 may include a display, an input unit such as a keyboard, and the optional user interface 1003 may further include a standard wired interface and a wireless interface.
- the network interface 1004 may optionally include a standard wired interface and a wireless interface (such as a WI-FI interface).
- the memory 1005 may be a high-speed RAM memory or a non-volatile memory. memory), such as disk storage.
- the memory 1005 may optionally be a storage device independent of the foregoing processor 1001.
- the air conditioner may further include a camera, RF (Radio Frequency) circuits, sensors, audio circuits, WiFi modules, etc.
- sensors such as light sensors, motion sensors, and other sensors.
- the air conditioner may also be configured with other sensors such as a gyroscope, a barometer, a hygrometer, a thermometer, an infrared sensor, and the like, and details are not described herein again.
- FIG. 1 does not constitute a limitation on the air conditioner, and may include more or fewer components than shown, or some components may be combined, or different components may be arranged.
- the memory 1005 as a computer storage medium may include an operating system, a network communication module, a user interface module, and computer-readable instructions.
- the network interface 1004 is mainly used to connect to the background server and perform data communication with the background server;
- the user interface 1003 is mainly used to connect to the client (user) and perform data communication with the client;
- the device 1001 may be used to call computer-readable instructions stored in the memory 1005.
- the air conditioner includes: a memory 1005, a processor 1001, and computer-readable instructions stored on the memory 1005 and executable on the processor 1001, where the processor 1001 calls the memory 1005 to store Computer readable instructions and do the following:
- the air conditioner When the air conditioner is in a heating mode and the duration of maintaining the heating mode reaches a first preset duration, obtaining a maximum exhaust temperature of the compressor of the air conditioner within the first preset duration;
- the opening degree of the electronic expansion valve corresponding to the air conditioner is adjusted based on the maximum exhaust temperature and the current exhaust temperature.
- processor 1001 may call the computer-readable instructions stored in the memory 1005, and further perform the following operations:
- the opening degree of the electronic expansion valve is adjusted based on the temperature amplitude value and the current opening degree.
- processor 1001 may call the computer-readable instructions stored in the memory 1005, and further perform the following operations:
- the opening degree of the electronic expansion valve is adjusted based on the opening degree correction coefficient and the current opening degree.
- processor 1001 may call the computer-readable instructions stored in the memory 1005, and further perform the following operations:
- a first target opening degree is calculated based on the opening degree correction coefficient and the current opening degree, and the opening degree of the electronic expansion valve is adjusted to the first target opening degree.
- processor 1001 may call the computer-readable instructions stored in the memory 1005, and further perform the following operations:
- the opening degree of the electronic expansion valve is adjusted to the first target opening degree.
- processor 1001 may call the computer-readable instructions stored in the memory 1005, and further perform the following operations:
- the opening degree of the electronic expansion valve is adjusted to the minimum opening degree.
- processor 1001 may call the computer-readable instructions stored in the memory 1005, and further perform the following operations:
- the maximum exhaust temperature of the compressor of the air conditioner within the first preset time period is obtained.
- processor 1001 may call the computer-readable instructions stored in the memory 1005, and further perform the following operations:
- the opening degree of the electronic expansion valve is adjusted to the second target opening degree.
- FIG. 2 is a schematic flowchart of a first embodiment of a control method of an electronic expansion valve of the present application.
- the control method of the electronic expansion valve includes the following steps:
- Step S100 when the air conditioner is in a heating mode and the duration of maintaining the heating mode reaches a first preset duration, obtain a maximum exhaust temperature of the compressor of the air conditioner within the first preset duration ;
- the air conditioner may be a heat pump-type room air conditioner.
- the air conditioner starts heating, it accumulates the heating operation time of the air conditioner, that is, the duration that the air conditioner maintains the heating mode, and monitors in real time If the exhaust temperature of the compressor reaches the first preset duration, the maximum exhaust temperature of the compressor's exhaust temperature within the first preset duration is obtained.
- the first preset duration can be set reasonably.
- the first preset duration ranges from 2 minutes to 7 minutes.
- the first preset duration can be set to 5 minutes, etc., which is not limited herein.
- the electronic expansion valve of the air conditioner is adjusted to a fixed opening degree. Therefore, the duration can be the operating time for the electronic expansion valve to maintain the fixed opening degree.
- the electronic expansion valve is disposed in a refrigerant system between an outdoor unit and an indoor unit of an air conditioner, and is used to control the refrigerant flow rate of the refrigerant system between the indoor unit and the outdoor unit.
- Step S200 obtaining a current exhaust temperature of the compressor every second preset time period
- the current exhaust temperature of the compressor is obtained regularly, that is, the current exhaust temperature of the compressor is obtained every second preset time period.
- the second preset duration can be set reasonably.
- the second preset duration ranges from 2 minutes to 5 minutes.
- the second preset duration can be set to 3 minutes, etc., which is not limited here.
- step S300 each time the current exhaust temperature is obtained, the opening degree of the electronic expansion valve corresponding to the air conditioner is adjusted based on the maximum exhaust temperature and the current exhaust temperature.
- the opening degree of the electronic expansion valve is adjusted according to the maximum exhaust temperature and the current exhaust temperature. Specifically, the maximum exhaust temperature and the current exhaust temperature are calculated. The temperature amplitude between the air temperature and the opening degree correction coefficient corresponding to the temperature amplitude are determined. The opening degree of the electronic expansion valve is adjusted according to the opening degree correction coefficient and the current opening degree of the electronic expansion valve, so as to realize according to the current. The opening temperature of the electronic expansion valve is adjusted regularly at the exhaust temperature to avoid the situation where the opening degree of the electronic expansion valve is fixed and the air outlet temperature of the air conditioner is reduced when the air conditioner is in a low-temperature heating operation.
- the opening degree of the electronic expansion valve can be adjusted regularly to prevent rapid discharge temperature of the compressor when the air conditioner is running for a long time. Lowering the air temperature of the air conditioner reduces the stability of the heating performance of the air conditioner, thereby improving the thermal comfort of the room. It should be noted that when the outdoor ambient temperature corresponding to the air conditioner is higher than 5 ° C., the opening degree of the electronic expansion valve can also be adjusted regularly through the above-mentioned method.
- the control method of the electronic expansion valve obtaineds the information in the first preset time period when the air conditioner is in a heating mode and the duration of maintaining the heating mode reaches a first preset time period.
- the maximum exhaust temperature of the compressor of the air conditioner then acquiring the current exhaust temperature of the compressor every second preset time period, and then each time the current exhaust temperature is obtained, based on the maximum exhaust
- the temperature and the current exhaust temperature adjust the opening degree of the electronic expansion valve corresponding to the air conditioner, so that the opening degree of the electronic expansion valve can be adjusted according to the current exhaust temperature timing, so that when the air conditioner is in low temperature heating operation, the electronic
- the opening of the expansion valve is fixed and the air outlet temperature of the air conditioner is reduced, the low-temperature heating effect of the room air conditioner can be regularly improved according to the exhaust temperature of the compressor, and the heating capacity output of the air conditioner can be improved, thereby improving the room Heating comfort improves user experience.
- step S300 includes:
- Step S310 each time the current exhaust temperature is obtained, calculate a temperature amplitude between the maximum exhaust temperature and the current exhaust temperature;
- Step S320 obtaining a current opening degree of the electronic expansion valve
- Step S320 Adjust the opening degree of the electronic expansion valve based on the temperature amplitude value and the current opening degree.
- each time the current exhaust temperature is obtained the temperature amplitude between the maximum exhaust temperature and the current exhaust temperature is calculated, and the current opening degree of the electronic expansion valve is obtained, based on the temperature amplitude Value and the current opening degree to adjust the opening degree of the electronic expansion valve.
- an opening degree correction coefficient corresponding to the temperature amplitude is determined, and the electronic expansion valve is adjusted according to the opening degree correction coefficient and the current opening degree of the electronic expansion valve.
- the opening degree of the electronic expansion valve is adjusted according to the current exhaust temperature, and the accuracy of the opening degree adjustment of the electronic expansion valve is improved.
- the temperature amplitude C can be calculated by the following formula:
- the method for controlling an electronic expansion valve calculates a temperature amplitude between the maximum exhaust temperature and the current exhaust temperature each time the current exhaust temperature is obtained, and then obtains the current exhaust temperature.
- the current opening degree of the electronic expansion valve is adjusted, and then the opening degree of the electronic expansion valve is adjusted based on the temperature amplitude and the current opening degree, and the temperature expansion between the maximum exhaust temperature and the current exhaust temperature is used to achieve
- the accurate adjustment of the opening degree of the electronic expansion valve can improve the low-temperature heating effect of the room air conditioner according to the compressor's exhaust temperature timing, increase the heating capacity output of the air conditioner, and further improve the room heating comfort and user experience.
- step S330 includes:
- Step S331 Determine an opening degree correction coefficient based on a mapping relationship between a preset amplitude interval in which the temperature amplitude is located and a preset opening degree correction coefficient;
- Step S332 Adjust the opening degree of the electronic expansion valve based on the opening degree correction coefficient and the current opening degree.
- an opening degree correction coefficient is determined based on a mapping relationship between a preset amplitude interval in which the temperature amplitude value is located and a preset opening degree correction coefficient, and specifically, the temperature amplitude is determined.
- the preset amplitude range to which the value belongs, and then the opening degree correction coefficient is determined based on the mapping relationship between the preset amplitude range and the preset opening degree correction coefficient, and then the opening degree of the electronic expansion valve is adjusted based on the opening degree correction coefficient and the current opening degree.
- mapping relationship between the preset amplitude interval and the preset opening degree correction coefficient can be set in advance, that is, each preset amplitude interval corresponds to a preset opening degree correction coefficient, wherein the preset amplitude interval includes at least Two amplitude intervals; in accordance with the order of each amplitude interval from large to small, the preset opening degree correction coefficient corresponding to each amplitude interval decreases in order.
- the preset amplitude interval includes a first preset amplitude interval, a second preset amplitude interval, a third preset amplitude interval, and a fourth preset amplitude interval, and each of the preset amplitude intervals corresponds in turn.
- the first correction coefficient, the second correction coefficient, the third correction coefficient, and the fourth correction coefficient, wherein the first preset amplitude interval, the second preset amplitude interval, the third preset amplitude interval, and the fourth preset The amplitude interval decreases in sequence, and the first, second, third, and fourth correction coefficients decrease in sequence.
- the minimum value of the first preset amplitude interval is greater than the second preset amplitude value.
- the maximum value of the interval; the minimum value of the second preset amplitude interval is greater than the maximum value of the third preset amplitude interval; the minimum value of the third preset amplitude interval is greater than the maximum value of the fourth preset amplitude interval .
- the step S331 includes: when the preset amplitude interval where the temperature amplitude is located is a first preset amplitude interval, determining the opening degree correction coefficient as a first correction coefficient; where the temperature amplitude is located When the preset amplitude interval is the second preset amplitude interval, it is determined that the opening degree correction coefficient is the second correction coefficient; the preset amplitude interval in which the temperature amplitude is located is the third preset amplitude In the interval, the opening degree correction coefficient is determined to be a third correction coefficient; when the preset amplitude interval in which the temperature amplitude is located is a fourth preset amplitude interval, the opening degree correction coefficient is determined to be a fourth Correction factor.
- mapping relationship between the preset amplitude interval and the preset opening degree correction coefficient is shown in Table 1 below.
- 10%> C> ⁇ 5%, 20% > C ⁇ 10%, 30% > C ⁇ 20%, C ⁇ 30% are the first preset amplitude interval, the second preset amplitude interval, and the third preset amplitude in order.
- the interval and the fourth preset amplitude interval, the corresponding 0.95, 0.9, 0.85, and 0.8 are the first correction coefficient, the second correction coefficient, the third correction coefficient, and the fourth correction coefficient, respectively.
- the opening degree correction coefficient can be set to 1.
- a preset amplitude interval and a preset opening degree correction coefficient different from those in Table 1 can be set according to requirements.
- the range of each preset amplitude interval in Table 1 can be reduced, that is, the preset amplitude is increased.
- the number of value intervals, and the corresponding preset opening degree coefficient is set at the same time.
- the preset opening degree coefficient can be set according to the same decreasing method of the difference value according to Table 1, or can be set according to the decreasing method of the difference value.
- the adjustment of the opening degree of the expansion valve is more refined, wherein the difference is the difference between the opening degree correction coefficients corresponding to two adjacent preset amplitude ranges.
- step S332 includes: calculating a first target opening degree based on the opening degree correction coefficient and the current opening degree, and adjusting the opening degree of the electronic expansion valve to the first target. Opening degree.
- the first target opening degree may be calculated first according to the opening degree correction coefficient and the current opening degree, and then the opening degree of the electronic expansion valve is adjusted to the first target opening degree, so that the opening degree of the electronic expansion valve is accurate. Adjust to increase the heating capacity output of the air conditioner, and further improve the heating comfort and user experience of the room.
- the method for controlling an electronic expansion valve determines an opening degree correction coefficient based on a mapping relationship between a preset amplitude interval in which the temperature amplitude is located and a preset opening degree correction coefficient, and then corrects the opening degree based on the opening degree.
- the coefficient and the current opening degree adjust the opening degree of the electronic expansion valve, so that the opening degree of the electronic expansion valve can be accurately determined according to the opening degree correction coefficient, the accurate adjustment of the opening degree of the electronic expansion valve is achieved, and the heating capacity of the air conditioner is improved Output to further enhance the room heating comfort and user experience.
- step S332 includes:
- Step S3321 obtaining a minimum opening degree of the electronic expansion valve in the heating mode
- Step S3322 determining whether the first target opening degree is greater than the minimum opening degree
- Step S3323 when the first target opening degree is greater than the minimum opening degree, adjust the opening degree of the electronic expansion valve to the first target opening degree.
- the minimum opening degree of the electronic expansion valve is provided to avoid that the opening degree of the electronic expansion valve is too small, which affects the cooling or heating effect of the air conditioner.
- the minimum opening degree of the electronic expansion valve in the heating mode is obtained, and it is determined whether the first target opening degree is greater than the minimum opening degree.
- the opening degree of the electronic expansion valve is adjusted to the first target opening degree, which can prevent the opening degree of the electronic expansion valve from being too small after adjustment, and improve the air conditioner. Output of heating capacity, further improving the heating comfort and user experience of the room.
- the method further includes: when the first target opening degree is less than or equal to the minimum opening degree, adjusting the opening degree of the electronic expansion valve to the minimum opening degree. degree.
- the opening degree of the electronic expansion valve is adjusted to the minimum opening degree, so that the electronic after adjustment can be avoided.
- the opening of the expansion valve is too small and affects the operation of the air conditioner, thereby increasing the heating capacity output of the air conditioner, further improving the heating comfort of the room and the user experience.
- the method for controlling an electronic expansion valve proposed in this embodiment obtains a minimum opening degree of the electronic expansion valve in a heating mode, and then determines whether the first target opening degree is greater than the minimum opening degree, and then in the first When a target opening degree is greater than the minimum opening degree, adjusting the opening degree of the electronic expansion valve to the first target opening degree can avoid the opening degree of the electronic expansion valve after adjustment in the process of adjusting the electronic expansion valve. If it is too small, the heating capacity output of the air conditioner is improved, and the heating comfort and user experience of the room are further improved.
- step S100 includes:
- Step S110 when the air conditioner is in a heating mode, adjust the opening degree of the electronic expansion valve to a second target opening degree;
- step S120 when the time period during which the electronic expansion valve maintains the second target opening degree reaches the first preset time period, the maximum exhaust temperature of the compressor of the air conditioner within the first preset time period is obtained.
- the opening degree of the electronic expansion valve is adjusted to the second target opening degree, and the electronic expansion valve maintains the first
- the duration of the two target openings reaches the first preset duration, obtaining the maximum exhaust temperature of the compressor of the air conditioner within the first preset duration, so that the air conditioner operates in accordance with the second target opening, Ensure the heating operation efficiency of the air conditioner, improve the heating capacity output of the air conditioner, and then improve the heating comfort of the room.
- the second target opening degree may be a fixed opening degree set during air conditioning heating operation, or the second target opening degree may be determined according to a current operating frequency of a compressor of the air conditioner.
- an opening degree of an electronic expansion valve corresponding to the air conditioner is adjusted to a second target opening degree, and then in the electronic expansion valve
- the duration of maintaining the second target opening degree reaches the first preset duration, obtaining the maximum exhaust temperature of the compressor of the air conditioner within the first preset duration, so that the air conditioner follows the second target opening degree.
- Heating operation guarantees the efficiency of air-conditioning heating operation, and further improves the heating comfort and user experience of the room.
- step S110 includes:
- Step S111 when the air conditioner is in a heating mode, obtain an operating frequency of the compressor, and determine a second target opening degree based on the operating frequency;
- Step S112 Adjust the opening degree of the electronic expansion valve to the second target opening degree.
- the air conditioner when the air conditioner is in a heating mode, that is, when the air conditioner starts operating in the heating mode, the operating frequency of the compressor is obtained, and the second target opening degree is determined based on the obtained operating frequency, and then The opening degree of the electronic expansion valve is adjusted to the second target opening degree, so that the air conditioner performs heating operation according to the second target opening degree, guarantees the efficiency of the air conditioner heating operation, and improves the heating capacity output of the air conditioner. Improve room heating comfort.
- the control method of the electronic expansion valve obtained in this embodiment obtains an operating frequency of the compressor when the air conditioner is in a heating mode, determines a second target opening degree based on the operating frequency, and then expands the electronic expansion valve.
- the opening degree of the valve is adjusted to the second target opening degree, so that the air conditioner performs heating operation according to the second target opening degree, ensures the efficiency of the air conditioner heating operation, improves the output of the heating capacity of the air conditioner, and further improves the room system. Thermal comfort.
- an embodiment of the present application further provides a computer-readable storage medium.
- the computer-readable storage medium stores computer-readable instructions. When the computer-readable instructions are executed by a processor, the following operations are implemented:
- the air conditioner When the air conditioner is in a heating mode and the duration of maintaining the heating mode reaches a first preset duration, obtaining a maximum exhaust temperature of the compressor of the air conditioner within the first preset duration;
- the opening degree of the electronic expansion valve corresponding to the air conditioner is adjusted based on the maximum exhaust temperature and the current exhaust temperature.
- the opening degree of the electronic expansion valve is adjusted based on the temperature amplitude value and the current opening degree.
- the opening degree of the electronic expansion valve is adjusted based on the opening degree correction coefficient and the current opening degree.
- a first target opening degree is calculated based on the opening degree correction coefficient and the current opening degree, and the opening degree of the electronic expansion valve is adjusted to the first target opening degree.
- the opening degree of the electronic expansion valve is adjusted to the first target opening degree.
- the opening degree of the electronic expansion valve is adjusted to the minimum opening degree.
- the maximum exhaust temperature of the compressor of the air conditioner within the first preset time period is obtained.
- the opening degree of the electronic expansion valve is adjusted to the second target opening degree.
- this application may be provided as a method, a system, or a computer program product. Therefore, this application may take the form of an entirely hardware embodiment, an entirely software embodiment, or an embodiment combining software and hardware aspects. Moreover, this application may take the form of a computer program product implemented on one or more computer-usable storage media (including but not limited to disk storage, CD-ROM, optical storage, etc.) containing computer-usable program code.
- computer-usable storage media including but not limited to disk storage, CD-ROM, optical storage, etc.
- These computer program instructions may also be stored in a computer-readable memory capable of directing a computer or other programmable data processing device to work in a specific manner such that the instructions stored in the computer-readable memory produce a manufactured article including an instruction device, the instructions
- the device implements the functions specified in one or more flowcharts and / or one or more blocks of the block diagram.
- These computer program instructions can also be loaded onto a computer or other programmable data processing device, so that a series of steps can be performed on the computer or other programmable device to produce a computer-implemented process, which can be executed on the computer or other programmable device.
- the instructions provide steps for implementing the functions specified in one or more flowcharts and / or one or more blocks of the block diagrams.
- any reference signs placed between parentheses shall not be construed as limiting the claim.
- the word “comprising” does not exclude the presence of elements or steps not listed in a claim.
- the word “a” or “an” preceding a part does not exclude the presence of a plurality of such parts.
- the application can be implemented by means of hardware comprising several distinct parts, and by means of a suitably programmed computer. In the unit claim listing several devices, several of these devices may be embodied by the same hardware item.
- the use of the words first, second, and third does not imply any order. These words can be interpreted as names.
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Abstract
本申请公开了一种电子膨胀阀的控制方法，包括：在空调器处于制热模式、且维持所述制热模式的持续时长达到第一预设时长时，获取所述第一预设时长内所述空调器的压缩机的最大排气温度；每隔第二预设时长获取所述压缩机的当前排气温度；在每次获取到所述当前排气温度时，基于所述最大排气温度以及所述当期排气温度调节所述空调器对应的电子膨胀阀的开度。本申请还公开了一种空调器及计算机可读存储介质。
Description
本申请要求广东美的制冷设备有限公司、美的集团股份有限公司于2018年7月9日提交中国专利局、申请号为201810750819.8、发明名称为“电子膨胀阀的控制方法、空调器及计算机可读存储介质”的中国专利申请的优先权，其全部内容通过引用结合在申请中。
技术领域
本申请涉及空调器技术领域，尤其涉及一种电子膨胀阀的控制方法、空调器及计算机可读存储介质。
背景技术
目前，空调器在低温环境中制热运行时，空调器的室外机会出现结霜，使得空调器的运行状态处于非稳态过程。若空调器的电子膨胀阀开度固定在设定开度，随着时间的推移，压缩机的排气温度迅速降低，造成空调器的出风温度减小，使得空调器制热性能不稳定，进而影响房间的热舒适性，给用户使用造成困扰。
上述内容仅用于辅助理解本申请的技术方案，并不代表承认上述内容是现有技术。
发明内容
本申请的主要目的在于提供一种电子膨胀阀的控制方法、空调器及计算机可读存储介质，旨在解决现有空调器低温制热运行后期排气温度降低而影响房间的热舒适性的技术问题。
为实现上述目的，本申请提供一种电子膨胀阀的控制方法，所述电子膨胀阀的控制方法包括以下步骤：
在空调器处于制热模式、且维持所述制热模式的持续时长达到第一预设时长时，获取所述第一预设时长内所述空调器的压缩机的最大排气温度；
每隔第二预设时长获取所述压缩机的当前排气温度；
在每次获取到所述当前排气温度时，基于所述最大排气温度以及所述当期排气温度调节所述空调器对应的电子膨胀阀的开度。
在一实施例中，所述在每次获取到所述当前排气温度时，基于所述最大排气温度以及所述当期排气温度调节所述电子膨胀阀的开度的步骤包括：
在每次获取到所述当前排气温度时，计算所述最大排气温度与所述当期排气温度之间的温度幅值；
获取所述电子膨胀阀的当前开度；
基于所述温度幅值以及所述当前开度调节所述电子膨胀阀的开度。
在一实施例中，所述基于所述温度幅值以及所述当前开度调节所述电子膨胀阀的开度的步骤包括：
基于所述温度幅值所处的预设幅值区间与预设开度修正系数的映射关系确定开度修正系数；
基于所述开度修正系数以及所述当前开度调节所述电子膨胀阀的开度。
在一实施例中，所述基于所述温度幅值所处的预设幅值区间确定开度修正系数的步骤包括：
在所述温度幅值所处的预设幅值区间为第一预设幅值区间时，确定所述开度修正系数为第一修正系数；
在所述温度幅值所处的预设幅值区间为第二预设幅值区间时，确定所述开度修正系数为第二修正系数；
在所述温度幅值所处的预设幅值区间为第三预设幅值区间时，确定所述开度修正系数为第三修正系数；
在所述温度幅值所处的预设幅值区间为第四预设幅值区间时，确定所述开度修正系数为第四修正系数；
其中，所述第一预设幅值区间、第二预设幅值区间、第三预设幅值区间以及第四预设幅值区间依次减小，所述第一修正系数、第二修正系数、第三修正系数及第四修正系数依次减小。
在一实施例中，所述基于所述开度修正系数以及所述当前开度调节所述电子膨胀阀的开度的步骤包括：
基于所述开度修正系数以及所述当前开度计算第一目标开度，将所述电子膨胀阀的开度调节至所述第一目标开度。
在一实施例中，所述将所述电子膨胀阀的开度调节至所述第一目标开度的步骤包括：
获取制热模式下所述电子膨胀阀的最小开度；
确定所述第一目标开度是否大于所述最小开度；
在所述第一目标开度大于所述最小开度时，将所述电子膨胀阀的开度调节至所述第一目标开度。
在一实施例中，所述确定所述第一目标开度是否大于所述最小开度的步骤之后，还包括：
在所述第一目标开度小于或等于所述最小开度时，将所述电子膨胀阀的开度调节至所述最小开度。
在一实施例中，所述第一预设时长的范围为2分钟~7分钟，所述第二预设时长的范围为2分钟~5分钟。
在一实施例中，所述在空调器处于制热模式、且维持所述制热模式的持续时长达到第一预设时长时，获取所述第一预设时长内所述空调器的压缩机的最大排气温度的步骤包括：
在空调器处于制热模式时，将所述空调器对应的电子膨胀阀的开度调节至第二目标开度；
在所述电子膨胀阀维持所述第二目标开度的时长达到第一预设时长时，获取所述第一预设时长内所述空调器的压缩机的最大排气温度。
在一实施例中，所述在空调器处于制热模式时，将所述空调器对应的电子膨胀阀的开度调节至第二目标开度的步骤包括：
在空调器处于制热模式时，获取所述压缩机的运行频率，并基于所述运行频率确定第二目标开度；
将所述电子膨胀阀的开度调节至所述第二目标开度。
此外，为实现上述目的，本申请还提供一种空调器，其中，所述空调器包括：存储器、处理器及存储在所述存储器上并可在所述处理器上运行的计算机可读指令，所述计算机可读指令被所述处理器执行时实现上述中任一项所述的电子膨胀阀的控制方法的步骤。
此外，为实现上述目的，本申请还提供一种计算机可读存储介质，所述计算机可读存储介质上存储有计算机可读指令，所述计算机可读指令被处理器执行时实现上述中任一项所述的电子膨胀阀的控制方法的步骤。
本申请通过在空调器处于制热模式、且维持所述制热模式的持续时长达到第一预设时长时，获取所述第一预设时长内所述空调器的压缩机的最大排气温度，接着每隔第二预设时长获取所述压缩机的当前排气温度，而后在每次获取到所述当前排气温度时，基于所述最大排气温度以及所述当期排气温度调节所述空调器对应的电子膨胀阀的开度，实现了根据当前排气温度定时调节电子膨胀阀的开度，避免在空调器处于低温制热运行时，电子膨胀阀的开度固定而使空调器的出风温度减小的情况，能够根据压缩机的排气温度定时改善房间空调器的低温制热效果，提高空调器的制热能力输出，进而提升房间制热舒适性，提高了用户体验。
附图说明
图1是本申请实施例方案涉及的硬件运行环境中空调器的结构示意图；
图2为本申请电子膨胀阀的控制方法第一实施例的流程示意图；
图3为本申请电子膨胀阀的控制方法第二实施例中在每次获取到所述当前排气温度时，基于所述最大排气温度以及所述当期排气温度调节所述电子膨胀阀的开度的步骤的细化流程示意图；
图4为本申请电子膨胀阀的控制方法第三实施例中基于所述温度幅值以及所述当前开度调节所述电子膨胀阀的开度的步骤的细化流程示意图；
图5为本申请电子膨胀阀的控制方法第四实施例中将所述电子膨胀阀的开度调节至所述第一目标开度的步骤的细化流程示意图；
图6为本申请电子膨胀阀的控制方法第五实施例中在空调器处于制热模式、且维持所述制热模式的持续时长达到第一预设时长时，获取所述第一预设时长内所述空调器的压缩机的最大排气温度的步骤的细化流程示意图；
图7为本申请电子膨胀阀的控制方法第六实施例中在空调器处于制热模式时，将所述空调器对应的电子膨胀阀的开度调节至第二目标开度的步骤的细化流程示意图。
本申请目的的实现、功能特点及优点将结合实施例，参照附图做进一步说明。
具体实施方式
本申请根据压缩机的最大排气温度及当前排气温度定时调节电子膨胀阀的开度，使得电子膨胀阀开度调节更加合理，在空调器长期运行时，能够避免压缩机的排气温度迅速降低而造成空调器的出风温度减小的情况，提高空调器制热性能的稳定性，进而提高房间的热舒适性。
为了更好的理解上述技术方案，下面将参照附图更详细地描述本公开的示例性实施例。虽然附图中显示了本公开的示例性实施例，然而应当理解，可以以各种形式实现本公开而不应被这里阐述的实施例所限制。相反，提供这些实施例是为了能够更透彻地理解本公开，并且能够将本公开的范围完整的传达给本领域的技术人员。
为了更好的理解上述技术方案，下面将结合说明书附图以及具体的实施方式对上述技术方案进行详细的说明。
应当理解，此处所描述的具体实施例仅仅用以解释本申请，并不用于限定本申请。
如图1所示，图1是本申请实施例方案涉及的硬件运行环境中空调器的结构示意图。
如图1所示，该空调器可以包括：处理器1001，例如CPU，网络接口1004，用户接口1003，存储器1005，通信总线1002。其中，通信总线1002用于实现这些组件之间的连接通信。用户接口1003可以包括显示屏（Display）、输入单元比如键盘（Keyboard），可选用户接口1003还可以包括标准的有线接口、无线接口。网络接口1004可选的可以包括标准的有线接口、无线接口（如WI-FI接口）。存储器1005可以是高速RAM存储器，也可以是稳定的存储器（non-volatile
memory），例如磁盘存储器。存储器1005可选的还可以是独立于前述处理器1001的存储装置。
可选地，空调器还可以包括摄像头、RF（Radio
Frequency，射频）电路，传感器、音频电路、WiFi模块等等。其中，传感器比如光传感器、运动传感器以及其他传感器。当然，空调器还可配置陀螺仪、气压计、湿度计、温度计、红外线传感器等其他传感器，在此不再赘述。
本领域技术人员可以理解，图1中示出的空调器结构并不构成对空调器的限定，可以包括比图示更多或更少的部件，或者组合某些部件，或者不同的部件布置。
如图1所示，作为一种计算机存储介质的存储器1005中可以包括操作系统、网络通信模块、用户接口模块以及计算机可读指令。
在图1所示的空调器中，网络接口1004主要用于连接后台服务器，与后台服务器进行数据通信；用户接口1003主要用于连接客户端（用户端），与客户端进行数据通信；而处理器1001可以用于调用存储器1005中存储的计算机可读指令。
在本实施例中，空调器包括：存储器1005、处理器1001及存储在所述存储器1005上并可在所述处理器1001上运行的计算机可读指令，其中，处理器1001调用存储器1005中存储的计算机可读指令时，并执行以下操作：
在空调器处于制热模式、且维持所述制热模式的持续时长达到第一预设时长时，获取所述第一预设时长内所述空调器的压缩机的最大排气温度；
每隔第二预设时长获取所述压缩机的当前排气温度；
在每次获取到所述当前排气温度时，基于所述最大排气温度以及所述当期排气温度调节所述空调器对应的电子膨胀阀的开度。
进一步地，处理器1001可以调用存储器1005中存储的计算机可读指令，还执行以下操作：
在每次获取到所述当前排气温度时，计算所述最大排气温度与所述当期排气温度之间的温度幅值；
获取所述电子膨胀阀的当前开度；
基于所述温度幅值以及所述当前开度调节所述电子膨胀阀的开度。
进一步地，处理器1001可以调用存储器1005中存储的计算机可读指令，还执行以下操作：
基于所述温度幅值所处的预设幅值区间与预设开度修正系数的映射关系确定开度修正系数；
基于所述开度修正系数以及所述当前开度调节所述电子膨胀阀的开度。
进一步地，处理器1001可以调用存储器1005中存储的计算机可读指令，还执行以下操作：
基于所述开度修正系数以及所述当前开度计算第一目标开度，将所述电子膨胀阀的开度调节至所述第一目标开度。
进一步地，处理器1001可以调用存储器1005中存储的计算机可读指令，还执行以下操作：
获取制热模式下所述电子膨胀阀的最小开度；
确定所述第一目标开度是否大于所述最小开度；
在所述第一目标开度大于所述最小开度时，将所述电子膨胀阀的开度调节至所述第一目标开度。
进一步地，处理器1001可以调用存储器1005中存储的计算机可读指令，还执行以下操作：
在所述第一目标开度小于或等于所述最小开度时，将所述电子膨胀阀的开度调节至所述最小开度。
进一步地，处理器1001可以调用存储器1005中存储的计算机可读指令，还执行以下操作：
在空调器处于制热模式时，将所述空调器对应的电子膨胀阀的开度调节至第二目标开度；
在所述电子膨胀阀维持所述第二目标开度的时长达到第一预设时长时，获取所述第一预设时长内所述空调器的压缩机的最大排气温度。
进一步地，处理器1001可以调用存储器1005中存储的计算机可读指令，还执行以下操作：
在空调器处于制热模式时，获取所述压缩机的运行频率，并基于所述运行频率确定第二目标开度；
将所述电子膨胀阀的开度调节至所述第二目标开度。
本申请还提供一种电子膨胀阀的控制方法，参照图2，图2为本申请电子膨胀阀的控制方法第一实施例的流程示意图。
该电子膨胀阀的控制方法包括以下步骤：
步骤S100，在空调器处于制热模式、且维持所述制热模式的持续时长达到第一预设时长时，获取所述第一预设时长内所述空调器的压缩机的最大排气温度；
在本实施例中，该空调器可以为热泵型房间空调器，在该空调器制热启动时，累计该空调器制热运行的时长，即空调器维持制热模式的持续时长，并实时监测压缩机的排气温度，若持续时长达到第一预设时长，则获取该第一预设时长内压缩机的排气温度中的最大排气温度。
其中，第一预设时长可以进行合理设置，例如，第一预设时长的范围为2分钟~7分钟，具体地，该第一预设时长可设置为5分钟等，在此不做限定。
一般情况下，在空调器制热启动时，会将该空调器的电子膨胀阀调节至某一固定开度，因此，该持续时长可以为电子膨胀阀维持该固定开度的运行时长。该电子膨胀阀设置于空调器的室外机与室内机之间的冷媒系统中，用以控制室内机与室外机之间冷媒系统的冷媒流量。
步骤S200，每隔第二预设时长获取所述压缩机的当前排气温度；
在本实施例中，在获取到最大排气温度时，定时获取压缩机的当前排气温度，即每隔第二预设时长获取压缩机的当前排气温度。
其中，第二预设时长可以进行合理设置，例如，第二预设时长的范围为2分钟~5分钟，具体地，该第二预设时长可设置为3分钟等，在此不做限定
步骤S300，在每次获取到所述当前排气温度时，基于所述最大排气温度以及所述当期排气温度调节所述空调器对应的电子膨胀阀的开度。
在本实施例中，在每次获取到当前排气温度时，根据该最大排气温度以及当期排气温度调节所述电子膨胀阀的开度，具体地，计算该最大排气温度以及当期排气温度之间的温度幅值，并确定该温度幅值对应的开度修正系数，根据该开度修正系数以及电子膨胀阀的当前开度调节所述电子膨胀阀的开度，进而实现根据当前排气温度定时调节电子膨胀阀的开度，避免在空调器处于低温制热运行时，电子膨胀阀的开度固定而使空调器的出风温度减小的情况。
通过本实施例，在空调器处于低温制热时，例如室外环境温度低于5℃时，通过定时调节电子膨胀阀的开度，在空调器长期运行时，能够避免压缩机的排气温度迅速降低而造成空调器的出风温度减小的情况，提高空调器制热性能的稳定性，进而提高房间的热舒适性。需要说明的是，在空调器对应的室外环境温度高于5℃时，也可通过上述方式定时调节电子膨胀阀的开度。
本实施例提出的电子膨胀阀的控制方法，通过在空调器处于制热模式、且维持所述制热模式的持续时长达到第一预设时长时，获取所述第一预设时长内所述空调器的压缩机的最大排气温度，接着每隔第二预设时长获取所述压缩机的当前排气温度，而后在每次获取到所述当前排气温度时，基于所述最大排气温度以及所述当期排气温度调节所述空调器对应的电子膨胀阀的开度，实现了根据当前排气温度定时调节电子膨胀阀的开度，避免在空调器处于低温制热运行时，电子膨胀阀的开度固定而使空调器的出风温度减小的情况，能够根据压缩机的排气温度定时改善房间空调器的低温制热效果，提高空调器的制热能力输出，进而提升房间制热舒适性，提高了用户体验。
基于第一实施例，提出本申请电子膨胀阀的控制方法的第二实施例，参照图3，在本实施例中，步骤S300包括：
步骤S310，在每次获取到所述当前排气温度时，计算所述最大排气温度与所述当期排气温度之间的温度幅值；
步骤S320，获取所述电子膨胀阀的当前开度；
步骤S320，基于所述温度幅值以及所述当前开度调节所述电子膨胀阀的开度。
在本实施例中，在每次获取到当前排气温度时，计算该最大排气温度以及当期排气温度之间的温度幅值，并获取该电子膨胀阀的当前开度，基于该温度幅值以及该当前开度调节电子膨胀阀的开度，具体地，首先确定该温度幅值对应的开度修正系数，根据该开度修正系数以及电子膨胀阀的当前开度调节所述电子膨胀阀的开度，进而实现根据当前排气温度定时调节电子膨胀阀的开度，提高电子膨胀阀开度调节的准确性。
例如，最大排气温度为TPmax，当期排气温度为TPi，则温度幅值C可通过下式计算得到：
C=（TPmax-TPi）/TPmax*100%。
本实施例提出的电子膨胀阀的控制方法，通过在每次获取到所述当前排气温度时，计算所述最大排气温度与所述当期排气温度之间的温度幅值，接着获取所述电子膨胀阀的当前开度，而后基于所述温度幅值以及所述当前开度调节所述电子膨胀阀的开度，通过最大排气温度与当期排气温度之间的温度幅值，实现电子膨胀阀开度的准确调节，进而根据压缩机的排气温度定时改善房间空调器的低温制热效果，提高空调器的制热能力输出，进一步提升房间制热舒适性以及用户体验。
基于第二实施例，提出本申请电子膨胀阀的控制方法的第三实施例，参照图4，在本实施例中，步骤S330包括：
步骤S331，基于所述温度幅值所处的预设幅值区间与预设开度修正系数的映射关系确定开度修正系数；
步骤S332，基于所述开度修正系数以及所述当前开度调节所述电子膨胀阀的开度。
在本实施例中，在计算得到温度幅值时，基于该温度幅值所处的预设幅值区间与预设开度修正系数的映射关系确定开度修正系数，具体地，确定该温度幅值所属的预设幅值区间，接着基于预设幅值区间与预设开度修正系数的映射关系确定开度修正系数，而后根据该开度修正系数以及当前开度调节电子膨胀阀的开度，进一步提高电子膨胀阀开度调节的准确性。
需要说明的是，可预先设置预设幅值区间与预设开度修正系数的映射关系，即每一个预设幅值区间对应一预设开度修正系数，其中，预设幅值区间包括至少两个幅值区间；按照各个幅值区间由大到小的顺序，各个幅值区间对应的预设开度修正系数依次减小。
例如，预设幅值区间包括第一预设幅值区间、第二预设幅值区间、第三预设幅值区间以及第四预设幅值区间，以及各个预设幅值区间依次对应的第一修正系数、第二修正系数、第三修正系数及第四修正系数，其中，第一预设幅值区间、第二预设幅值区间、第三预设幅值区间以及第四预设幅值区间依次减小，第一修正系数、第二修正系数、第三修正系数及第四修正系数依次减小，优选地，第一预设幅值区间的最小值大于第二预设幅值区间的最大值；第二预设幅值区间的最小值大于第三预设幅值区间的最大值；第三预设幅值区间的最小值大于所述第四预设幅值区间的最大值。
该步骤S331包括：在所述温度幅值所处的预设幅值区间为第一预设幅值区间时，确定所述开度修正系数为第一修正系数；在所述温度幅值所处的预设幅值区间为第二预设幅值区间时，确定所述开度修正系数为第二修正系数；在所述温度幅值所处的预设幅值区间为第三预设幅值区间时，确定所述开度修正系数为第三修正系数；在所述温度幅值所处的预设幅值区间为第四预设幅值区间时，确定所述开度修正系数为第四修正系数。
例如，预设幅值区间与预设开度修正系数的映射关系如下表1所示。
表1、幅值区间与开度修正系数的映射关系表
| 幅值区间（C） | 开度修正系数（r） |
| 10%> C≥5% | 0.95 |
| 20%＞C≥10% | 0.9 |
| 30%＞C≥20% | 0.85 |
| C≥30% | 0.8 |
如表1所示，10%>
C>≥5%、20%＞C≥10%、30%＞C≥20%、C≥30%依次为第一预设幅值区间、第二预设幅值区间、第三预设幅值区间以及第四预设幅值区间，对应的0.95、0.9、0.85、0.8分别为第一修正系数、第二修正系数、第三修正系数及第四修正系数。其中，若C<5%，则该开度修正系数可设置为1。
在其他实施例中，可根据需求设置与表1不同的预设幅值区间以及预设开度修正系数，例如，可减小表1中各个预设幅值区间的范围，即增加预设幅值区间的数量，同时设置对应的预设开度系数，该预设开度系数可以参照表1按照差值相同的递减方式进行设置，也可以按照差值不同的递减方式进行设置，以使电子膨胀阀的开度调整更加精细化，其中，差值为相邻两个预设幅值区间对应的开度修正系数之间的差。
进一步地，在一实施例中，该步骤S332包括：基于所述开度修正系数以及所述当前开度计算第一目标开度，将所述电子膨胀阀的开度调节至所述第一目标开度。
在本实施例中，可首先根据开度修正系数以及当前开度计算第一目标开度，接着将所述电子膨胀阀的开度调节至第一目标开度，进而电子膨胀阀开度的准确调节，提高空调器的制热能力输出，进一步提升房间制热舒适性以及用户体验。
需要说明的是，第一目标开度的计算公式可以为P=P0*r，其中，r为开度修正系数，
P0为当前开度。在其他实施例中，第一目标开度的计算公式还可以为P=P0*r+A，其中，A为常数。若计算得到的第一目标开度为小数，则可对该小数进行四舍五入得到整数的第一目标开度。
本实施例提出的电子膨胀阀的控制方法，通过基于所述温度幅值所处的预设幅值区间与预设开度修正系数的映射关系确定开度修正系数，接着基于所述开度修正系数以及所述当前开度调节所述电子膨胀阀的开度，进而能够根据开度修正系数准确确定电子膨胀阀的开度，实现电子膨胀阀开度的准确调节，提高空调器的制热能力输出，进一步提升房间制热舒适性以及用户体验。
基于第三实施例，提出本申请电子膨胀阀的控制方法的第四实施例，参照图5，在本实施例中，步骤S332包括：
步骤S3321，获取制热模式下所述电子膨胀阀的最小开度；
步骤S3322，确定所述第一目标开度是否大于所述最小开度；
步骤S3323，在所述第一目标开度大于所述最小开度时，将所述电子膨胀阀的开度调节至所述第一目标开度。
一般情况下，在空调器运行时，无论是制热运行还是制冷运行，都设有电子膨胀阀的最小开度，以避免电子膨胀阀开度过小，影响空调器的制冷或制热效果。
在本实施例中，在得到第一目标开度时，获取制热模式下所述电子膨胀阀的最小开度，并确定该第一目标开度是否大于该最小开度，若该第一目标开度大于该最小开度时，则将电子膨胀阀的开度调节至第一目标开度，能够在调节电子膨胀阀的过程中，避免调节后电子膨胀阀的开度过小，提高空调器的制热能力输出，进一步提升房间制热舒适性以及用户体验。
进一步地，在一实施例中，在步骤S3322之后，还包括：在所述第一目标开度小于或等于所述最小开度时，将所述电子膨胀阀的开度调节至所述最小开度。
在本实施例中，若该第一目标开度小于或等于最小开度，即该第一目标开度过小时，将电子膨胀阀的开度调节至该最小开度，进而能够避免调节后电子膨胀阀的开度过小而影响空调器的运行，进而提高空调器的制热能力输出，进一步提升房间制热舒适性以及用户体验。
本实施例提出的电子膨胀阀的控制方法，通过获取制热模式下所述电子膨胀阀的最小开度，接着确定所述第一目标开度是否大于所述最小开度，而后在所述第一目标开度大于所述最小开度时，将所述电子膨胀阀的开度调节至所述第一目标开度，能够在调节电子膨胀阀的过程中，避免调节后电子膨胀阀的开度过小，进而提高空调器的制热能力输出，进一步提升房间制热舒适性以及用户体验。
基于上述实施例，提出本申请电子膨胀阀的控制方法的第五实施例，参照图6，在本实施例中，步骤S100包括：
步骤S110，在空调器处于制热模式时，将所述电子膨胀阀的开度调节至第二目标开度；
步骤S120，在所述电子膨胀阀维持所述第二目标开度的时长达到第一预设时长时，获取所述第一预设时长内所述空调器的压缩机的最大排气温度。
在本实施例中，在空调器处于制热模式时，即该空调器以制热模式启动运行时，将该电子膨胀阀的开度调节至第二目标开度，并在电子膨胀阀维持第二目标开度的时长达到第一预设时长时，获取所述第一预设时长内所述空调器的压缩机的最大排气温度，以使空调器按照第二目标开度制热运行，保证空调器制热运行的效率，提高空调器的制热能力输出，进而提升房间制热舒适性。
需要说明的是，该第二目标开度可以为空调器制热运行时设定的固定开度，或者，可根据该空调器的压缩机当前的运行频率确定该第二目标开度。
本实施例提出的电子膨胀阀的控制方法，通过在空调器处于制热模式时，将所述空调器对应的电子膨胀阀的开度调节至第二目标开度，接着在所述电子膨胀阀维持所述第二目标开度的时长达到第一预设时长时，获取所述第一预设时长内所述空调器的压缩机的最大排气温度，以使空调器按照第二目标开度制热运行，保证空调器制热运行的效率，进一步提升房间制热舒适性及用户体验。
基于第五实施例，提出本申请电子膨胀阀的控制方法的第六实施例，参照图7，在本实施例中，步骤S110包括：
步骤S111，在空调器处于制热模式时，获取所述压缩机的运行频率，并基于所述运行频率确定第二目标开度；
步骤S112，将所述电子膨胀阀的开度调节至所述第二目标开度。
在本实施例中，在空调器处于制热模式时，即该空调器以制热模式启动运行时，获取该压缩机的运行频率，并基于获取到的运行频率确定第二目标开度，而后将该电子膨胀阀的开度调节至该第二目标开度，以使空调器按照第二目标开度制热运行，保证空调器制热运行的效率，提高空调器的制热能力输出，进而提升房间制热舒适性。
需要说明的是，该第二目标开度的计算公式为P0=B*Fr+C，其中，P0为第二目标开度，Fr为压缩机运行频率；B和C是第二目标开度对应的修正系数。
本实施例提出的电子膨胀阀的控制方法，通过在空调器处于制热模式时，获取所述压缩机的运行频率，并基于所述运行频率确定第二目标开度，接着将所述电子膨胀阀的开度调节至所述第二目标开度，以使空调器按照第二目标开度制热运行，保证空调器制热运行的效率，提高空调器的制热能力输出，进一步提升房间制热舒适性。
此外，本申请实施例还提出一种计算机可读存储介质，所述计算机可读存储介质上存储有计算机可读指令，所述计算机可读指令被处理器执行时实现如下操作：
在空调器处于制热模式、且维持所述制热模式的持续时长达到第一预设时长时，获取所述第一预设时长内所述空调器的压缩机的最大排气温度；
每隔第二预设时长获取所述压缩机的当前排气温度；
在每次获取到所述当前排气温度时，基于所述最大排气温度以及所述当期排气温度调节所述空调器对应的电子膨胀阀的开度。
进一步地，所述计算机可读指令被处理器执行时还实现如下操作：
在每次获取到所述当前排气温度时，计算所述最大排气温度与所述当期排气温度之间的温度幅值；
获取所述电子膨胀阀的当前开度；
基于所述温度幅值以及所述当前开度调节所述电子膨胀阀的开度。
进一步地，所述计算机可读指令被处理器执行时还实现如下操作：
基于所述温度幅值所处的预设幅值区间与预设开度修正系数的映射关系确定开度修正系数；
基于所述开度修正系数以及所述当前开度调节所述电子膨胀阀的开度。
进一步地，所述计算机可读指令被处理器执行时还实现如下操作：
基于所述开度修正系数以及所述当前开度计算第一目标开度，将所述电子膨胀阀的开度调节至所述第一目标开度。
进一步地，所述计算机可读指令被处理器执行时还实现如下操作：
获取制热模式下所述电子膨胀阀的最小开度；
确定所述第一目标开度是否大于所述最小开度；
在所述第一目标开度大于所述最小开度时，将所述电子膨胀阀的开度调节至所述第一目标开度。
进一步地，所述计算机可读指令被处理器执行时还实现如下操作：
在所述第一目标开度小于或等于所述最小开度时，将所述电子膨胀阀的开度调节至所述最小开度。
进一步地，所述计算机可读指令被处理器执行时还实现如下操作：
在空调器处于制热模式时，将所述空调器对应的电子膨胀阀的开度调节至第二目标开度；
在所述电子膨胀阀维持所述第二目标开度的时长达到第一预设时长时，获取所述第一预设时长内所述空调器的压缩机的最大排气温度。
进一步地，所述计算机可读指令被处理器执行时还实现如下操作：
在空调器处于制热模式时，获取所述压缩机的运行频率，并基于所述运行频率确定第二目标开度；
将所述电子膨胀阀的开度调节至所述第二目标开度。
本领域内的技术人员应明白，本申请的实施例可提供为方法、系统、或计算机程序产品。因此，本申请可采用完全硬件实施例、完全软件实施例、或结合软件和硬件方面的实施例的形式。而且，本申请可采用在一个或多个其中包含有计算机可用程序代码的计算机可用存储介质（包括但不限于磁盘存储器、CD-ROM、光学存储器等）上实施的计算机程序产品的形式。
本申请是参照根据本申请实施例的方法、设备（系统）、和计算机程序产品的流程图和／或方框图来描述的。应理解可由计算机程序指令实现流程图和／或方框图中的每一流程和／或方框、以及流程图和／或方框图中的流程和／或方框的结合。可提供这些计算机程序指令到通用计算机、专用计算机、嵌入式处理机或其他可编程数据处理设备的处理器以产生一个机器，使得通过计算机或其他可编程数据处理设备的处理器执行的指令产生用于实现在流程图一个流程或多个流程和／或方框图一个方框或多个方框中指定的功能的装置。
这些计算机程序指令也可存储在能引导计算机或其他可编程数据处理设备以特定方式工作的计算机可读存储器中，使得存储在该计算机可读存储器中的指令产生包括指令装置的制造品，该指令装置实现在流程图一个流程或多个流程和／或方框图一个方框或多个方框中指定的功能。
这些计算机程序指令也可装载到计算机或其他可编程数据处理设备上，使得在计算机或其他可编程设备上执行一系列操作步骤以产生计算机实现的处理，从而在计算机或其他可编程设备上执行的指令提供用于实现在流程图一个流程或多个流程和／或方框图一个方框或多个方框中指定的功能的步骤。
应当注意的是，在权利要求中，不应将位于括号之间的任何参考符号构造成对权利要求的限制。单词“包含”不排除存在未列在权利要求中的部件或步骤。位于部件之前的单词“一”或“一个”不排除存在多个这样的部件。本申请可以借助于包括有若干不同部件的硬件以及借助于适当编程的计算机来实现。在列举了若干装置的单元权利要求中，这些装置中的若干个可以是通过同一个硬件项来具体体现。单词第一、第二、以及第三等的使用不表示任何顺序。可将这些单词解释为名称。
尽管已描述了本申请的优选实施例，但本领域内的技术人员一旦得知了基本创造性概念，则可对这些实施例作出另外的变更和修改。所以，所附权利要求意欲解释为包括优选实施例以及落入本申请范围的所有变更和修改。
显然，本领域的技术人员可以对本申请进行各种改动和变型而不脱离本申请的精神和范围。这样，倘若本申请的这些修改和变型属于本申请权利要求及其等同技术的范围之内，则本申请也意图包含这些改动和变型在内。
Claims (20)
- 一种电子膨胀阀的控制方法，其中，所述电子膨胀阀的控制方法包括以下步骤：空调器处于制热模式、且维持所述制热模式的持续时长达到第一预设时长，获取所述第一预设时长内所述空调器的压缩机的最大排气温度；每隔第二预设时长获取所述压缩机的当前排气温度；以及，每次获取到所述当前排气温度，基于所述最大排气温度以及所述当期排气温度调节所述空调器对应的电子膨胀阀的开度。
- 如权利要求1所述的电子膨胀阀的控制方法，其中，所述每次获取到所述当前排气温度，基于所述最大排气温度以及所述当期排气温度调节所述电子膨胀阀的开度的步骤包括：每次获取到所述当前排气温度，计算所述最大排气温度与所述当期排气温度之间的温度幅值；获取所述电子膨胀阀的当前开度；以及，基于所述温度幅值以及所述当前开度调节所述电子膨胀阀的开度。
- 如权利要求2所述的电子膨胀阀的控制方法，其中，所述基于所述温度幅值以及所述当前开度调节所述电子膨胀阀的开度的步骤包括：基于所述温度幅值所处的预设幅值区间与预设开度修正系数的映射关系确定开度修正系数；以及，基于所述开度修正系数以及所述当前开度调节所述电子膨胀阀的开度。
- 如权利要求3所述的电子膨胀阀的控制方法，其中，所述预设幅值区间包括至少两个幅值区间；按照各个幅值区间由大到小的顺序，各个幅值区间对应的预设开度修正系数依次减小。
- 如权利要求3所述的电子膨胀阀的控制方法，其中，所述基于所述开度修正系数以及所述当前开度调节所述电子膨胀阀的开度的步骤包括：基于所述开度修正系数以及所述当前开度计算第一目标开度，将所述电子膨胀阀的开度调节至所述第一目标开度。
- 如权利要求5所述的电子膨胀阀的控制方法，其中，所述将所述电子膨胀阀的开度调节至所述第一目标开度的步骤包括：获取制热模式下所述电子膨胀阀的最小开度；确定所述第一目标开度大于所述最小开度；以及，所述第一目标开度大于所述最小开度，将所述电子膨胀阀的开度调节至所述第一目标开度。
- 如权利要求6所述的电子膨胀阀的控制方法，其中，所述确定所述第一目标开度大于所述最小开度的步骤之后，还包括：所述第一目标开度小于或等于所述最小开度，将所述电子膨胀阀的开度调节至所述最小开度。
- 如权利要求1所述的电子膨胀阀的控制方法，其中，所述第一预设时长至少是2分钟且不超过7分钟，所述第二预设时长至少是2分钟且不超过5分钟。
- 如权利要求1所述的电子膨胀阀的控制方法，其中，所述空调器处于制热模式、且维持所述制热模式的持续时长达到第一预设时长，获取所述第一预设时长内所述空调器的压缩机的最大排气温度的步骤包括：空调器处于制热模式，将所述空调器对应的电子膨胀阀的开度调节至第二目标开度；以及，所述电子膨胀阀维持所述第二目标开度的时长达到第一预设时长，获取所述第一预设时长内所述空调器的压缩机的最大排气温度。
- 如权利要求9所述的电子膨胀阀的控制方法，其中，所述空调器处于制热模式，将所述空调器对应的电子膨胀阀的开度调节至第二目标开度的步骤包括：空调器处于制热模式，获取所述压缩机的运行频率，并基于所述运行频率确定第二目标开度；将所述电子膨胀阀的开度调节至所述第二目标开度。
- 如权利要求2所述的电子膨胀阀的控制方法，其中，所述空调器处于制热模式、且维持所述制热模式的持续时长达到第一预设时长，获取所述第一预设时长内所述空调器的压缩机的最大排气温度的步骤包括：空调器处于制热模式，将所述空调器对应的电子膨胀阀的开度调节至第二目标开度；以及，所述电子膨胀阀维持所述第二目标开度的时长达到第一预设时长，获取所述第一预设时长内所述空调器的压缩机的最大排气温度。
- 如权利要求11所述的电子膨胀阀的控制方法，其中，所述空调器处于制热模式，将所述空调器对应的电子膨胀阀的开度调节至第二目标开度的步骤包括：空调器处于制热模式，获取所述压缩机的运行频率，并基于所述运行频率确定第二目标开度；将所述电子膨胀阀的开度调节至所述第二目标开度。
- 如权利要求3所述的电子膨胀阀的控制方法，其中，所述空调器处于制热模式、且维持所述制热模式的持续时长达到第一预设时长，获取所述第一预设时长内所述空调器的压缩机的最大排气温度的步骤包括：空调器处于制热模式，将所述空调器对应的电子膨胀阀的开度调节至第二目标开度；以及，所述电子膨胀阀维持所述第二目标开度的时长达到第一预设时长，获取所述第一预设时长内所述空调器的压缩机的最大排气温度。
- 如权利要求13所述的电子膨胀阀的控制方法，其中，所述空调器处于制热模式，将所述空调器对应的电子膨胀阀的开度调节至第二目标开度的步骤包括：空调器处于制热模式，获取所述压缩机的运行频率，并基于所述运行频率确定第二目标开度；将所述电子膨胀阀的开度调节至所述第二目标开度。
- 如权利要求4所述的电子膨胀阀的控制方法，其中，所述空调器处于制热模式、且维持所述制热模式的持续时长达到第一预设时长，获取所述第一预设时长内所述空调器的压缩机的最大排气温度的步骤包括：空调器处于制热模式，将所述空调器对应的电子膨胀阀的开度调节至第二目标开度；以及，所述电子膨胀阀维持所述第二目标开度的时长达到第一预设时长，获取所述第一预设时长内所述空调器的压缩机的最大排气温度。
- 如权利要求5所述的电子膨胀阀的控制方法，其中，所述空调器处于制热模式、且维持所述制热模式的持续时长达到第一预设时长，获取所述第一预设时长内所述空调器的压缩机的最大排气温度的步骤包括：空调器处于制热模式，将所述空调器对应的电子膨胀阀的开度调节至第二目标开度；以及，所述电子膨胀阀维持所述第二目标开度的时长达到第一预设时长，获取所述第一预设时长内所述空调器的压缩机的最大排气温度。
- 如权利要求6所述的电子膨胀阀的控制方法，其中，所述空调器处于制热模式、且维持所述制热模式的持续时长达到第一预设时长，获取所述第一预设时长内所述空调器的压缩机的最大排气温度的步骤包括：空调器处于制热模式，将所述空调器对应的电子膨胀阀的开度调节至第二目标开度；以及，所述电子膨胀阀维持所述第二目标开度的时长达到第一预设时长，获取所述第一预设时长内所述空调器的压缩机的最大排气温度。
- 如权利要求7所述的电子膨胀阀的控制方法，其中，所述空调器处于制热模式、且维持所述制热模式的持续时长达到第一预设时长，获取所述第一预设时长内所述空调器的压缩机的最大排气温度的步骤包括：空调器处于制热模式，将所述空调器对应的电子膨胀阀的开度调节至第二目标开度；以及，所述电子膨胀阀维持所述第二目标开度的时长达到第一预设时长，获取所述第一预设时长内所述空调器的压缩机的最大排气温度。
- 一种空调器，其中，所述空调器包括：存储器、处理器及存储在所述存储器上并可在所述处理器上运行的计算机可读指令，所述计算机可读指令被所述处理器执行时实现，实现如下步骤：空调器处于制热模式、且维持所述制热模式的持续时长达到第一预设时长，获取所述第一预设时长内所述空调器的压缩机的最大排气温度；每隔第二预设时长获取所述压缩机的当前排气温度；以及，每次获取到所述当前排气温度，基于所述最大排气温度以及所述当期排气温度调节所述空调器对应的电子膨胀阀的开度。
- 一种计算机可读存储介质，其中，所述计算机可读存储介质上存储有计算机可读指令，所述计算机可读指令被处理器执行时，实现如下步骤：空调器处于制热模式、且维持所述制热模式的持续时长达到第一预设时长，获取所述第一预设时长内所述空调器的压缩机的最大排气温度；每隔第二预设时长获取所述压缩机的当前排气温度；以及，每次获取到所述当前排气温度，基于所述最大排气温度以及所述当期排气温度调节所述空调器对应的电子膨胀阀的开度。
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| CN113959082B (zh) * | 2020-07-03 | 2023-05-30 | 广东美的制冷设备有限公司 | 空调器的控制方法、装置及计算机存储介质 |
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| US11574725B2 (en) | 2014-05-06 | 2023-02-07 | Fitbit, Inc. | Fitness activity related messaging |
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| CN109059226B (zh) | 2020-04-21 |
| CN109059226A (zh) | 2018-12-21 |
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