Air conditioner control method and device, electronic equipment and computer readable storage medium
By monitoring the air conditioner's exhaust pressure, temperature, and frequency, and determining the temperature difference information to adjust the operating strategy, the problem of refrigerant leakage in air conditioners being difficult to detect in a timely manner is solved, improving the accuracy of judgment and user experience.
Patent Information
- Application Number
- CN202411652394.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-18
- Publication Date
- 2025-12-19
- Estimated Expiration
- 2044-11-18
AI Technical Summary
Refrigerant leaks in existing air conditioners are difficult to detect in a timely manner, affecting the operating efficiency of the air conditioner and posing safety hazards. Existing judgment methods are not accurate enough.
By monitoring the air conditioner's exhaust pressure, exhaust temperature, and compressor frequency, temperature difference information is determined, and the operating strategy is adjusted based on this information to address refrigerant leakage.
It improves the accuracy of refrigerant leak detection, allows for timely adjustments to air conditioning operation strategies, and enhances the user experience.
Smart Images

Figure CN119393877B_ABST
Abstract
Description
TECHNICAL FIELD
[0001] Embodiments of the present application relate to the technical field of air conditioning, in particular to an air conditioner control method and device, electronic equipment and a computer readable storage medium. BACKGROUND
[0002] With the continuous development of air conditioners and the continuous improvement of people's living standards, air conditioner products are becoming more and more popular, and users have higher and higher safety requirements for air conditioner products.
[0003] The air conditioner refrigeration system pipeline is welded together, and the technical level of the welder, the quality of the solder pipeline, and transportation collision may cause refrigerant leakage. In the early stage of leakage, the air conditioner still has refrigeration and heating capacity, so it is not easy for users to detect the leakage of the air conditioner refrigerant during use.
[0004] However, after the air conditioner leaks refrigerant, it will not only affect the working efficiency of the air conditioner, affect the comfort of the user during use, but also produce safety hazards and affect the health of the user. SUMMARY
[0005] Embodiments of the present application provide an air conditioner control method, device, electronic equipment and computer readable storage medium, which can determine the air conditioner refrigerant leakage according to the air conditioner exhaust pressure, exhaust temperature and compressor frequency, and adjust the corresponding operation strategy.
[0006] In a first aspect, embodiments of the present application provide an air conditioner control method applied to an air conditioner, the method comprising:
[0007] determining that the running time of the air conditioner reaches a first preset time, obtaining the exhaust pressure information of the air conditioner, the exhaust temperature information of the air conditioner and the compressor running frequency information of the air conditioner;
[0008] determining temperature difference information according to the exhaust pressure information, the exhaust temperature information and the compressor running frequency information;
[0009] determining a target operation strategy according to the temperature difference information, wherein the target operation strategy is an operation strategy for dealing with the lack of fluorine problem under the temperature difference information;
[0010] controlling the air conditioner to run according to the target operation strategy.
[0011] Optionally, in some embodiments of the present application, the target operation strategy is determined according to the temperature difference information, comprising:
[0012] determining a temperature interval corresponding to a temperature value indicated by the temperature difference information;
[0013] If the temperature interval is a first temperature interval, the target operation strategy is determined as operating according to a current operation frequency of the air conditioner;
[0014] If the temperature interval is a second temperature interval, the target operation strategy is determined as determining a target operation frequency according to the temperature difference information, and reducing the current operation frequency of the air conditioner to the target operation frequency;
[0015] If the temperature interval is a third temperature interval, the target operation strategy is determined as reducing the current operation frequency of the air conditioner to a first preset frequency;
[0016] The current operation frequency is a current operation frequency of a compressor of the air conditioner, the target operation frequency is less than the current operation frequency, and the first preset frequency is less than the target operation frequency.
[0017] Optionally, in some embodiments of the present application, the determining temperature difference information according to the exhaust pressure information, the exhaust temperature information and the compressor operation frequency information comprises:
[0018] determining a first exhaust superheat degree according to a preset exhaust pressure value indicated by the exhaust pressure information and a preset exhaust temperature value indicated by the exhaust temperature information;
[0019] determining a second exhaust superheat degree according to a current exhaust pressure value indicated by the exhaust pressure information and a current exhaust temperature value indicated by the exhaust temperature information;
[0020] determining a target exhaust superheat degree according to the first exhaust superheat degree and the compressor operation frequency information;
[0021] determining the temperature difference information according to the target exhaust superheat degree and the second exhaust superheat degree.
[0022] Optionally, in some embodiments of the present application, the determining a first exhaust superheat degree according to a preset exhaust pressure value indicated by the exhaust pressure information and a preset exhaust temperature value indicated by the exhaust temperature information comprises:
[0023] determining a vapor temperature value according to the preset exhaust pressure value;
[0024] determining the first exhaust superheat degree according to the preset exhaust temperature value and the vapor temperature value.
[0025] Optionally, in some embodiments of the present application, the determining a target exhaust superheat degree according to the first exhaust superheat degree and the compressor operation frequency information comprises:
[0026] determining a frequency interval corresponding to an operation frequency indicated by the compressor operation frequency information;
[0027] if the frequency interval is the first frequency interval, determining the target exhaust gas superheat according to the first exhaust gas superheat and a first superheat compensation value;
[0028] if the frequency interval is the second frequency interval, determining the target exhaust gas superheat according to the first exhaust gas superheat and a second superheat compensation value;
[0029] if the frequency interval is the third frequency interval, determining the target exhaust gas superheat according to the first exhaust gas superheat and a third superheat compensation value;
[0030] wherein the first superheat compensation value is less than the second superheat compensation value, and the second superheat compensation value is less than the third superheat compensation value.
[0031] Optionally, in some embodiments of the present application, before determining the temperature difference information according to the exhaust gas pressure information, the exhaust gas temperature information and the compressor operating frequency information, the method further comprises:
[0032] if the current operating frequency indicated by the compressor operating frequency information is greater than a preset operating frequency, determining the temperature difference information according to the exhaust gas pressure information, the exhaust gas temperature information and the compressor operating frequency information.
[0033] Optionally, in some embodiments of the present application, before obtaining the exhaust gas pressure information and the exhaust gas temperature information of the air conditioner and the compressor operating frequency information of the air conditioner, the method further comprises:
[0034] obtaining a standby exhaust gas pressure value of the air conditioner in a standby state;
[0035] if the standby exhaust gas pressure value is less than a preset exhaust gas pressure value, obtaining the exhaust gas pressure information and the exhaust gas temperature information of the air conditioner and the compressor operating frequency information of the air conditioner.
[0036] In a second aspect, the embodiments of the present application further provide an air conditioner control device, applied to an air conditioner, the device comprising:
[0037] an obtaining module, configured to determine that the operating duration of the air conditioner reaches a first preset duration, and obtain the exhaust gas pressure information and the exhaust gas temperature information of the air conditioner and the compressor operating frequency information of the air conditioner;
[0038] a processing module, configured to determine temperature difference information according to the exhaust gas pressure information, the exhaust gas temperature information and the compressor operating frequency information;
[0039] The processing module is configured to determine a target operation strategy according to the temperature difference information, wherein the target operation strategy is an operation strategy for addressing a lack of fluorine problem under the temperature difference information.
[0040] The processing module is configured to control the air conditioner to operate according to the target operation strategy.
[0041] Optionally, in some embodiments of the present application, the processing module is configured to:
[0042] determine a temperature interval corresponding to a temperature value indicated by the temperature difference information;
[0043] if the temperature interval is a first temperature interval, determine that the target operation strategy is to operate according to a current operation frequency of the air conditioner;
[0044] if the temperature interval is a second temperature interval, determine that the target operation strategy is to determine a target operation frequency according to the temperature difference information, and reduce the current operation frequency of the air conditioner to the target operation frequency;
[0045] if the temperature interval is a third temperature interval, determine that the target operation strategy is to reduce the current operation frequency of the air conditioner to a first preset frequency.
[0046] The current operation frequency is a current operation frequency of a compressor of the air conditioner, the target operation frequency is less than the current operation frequency, and the first preset frequency is less than the target operation frequency.
[0047] Optionally, in some embodiments of the present application, the processing module is further configured to:
[0048] determine a first exhaust gas superheat degree according to a preset exhaust gas pressure value indicated by the exhaust gas pressure information and a preset exhaust gas temperature value indicated by the exhaust gas temperature information;
[0049] determine a second exhaust gas superheat degree according to a current exhaust gas pressure value indicated by the exhaust gas pressure information and a current exhaust gas temperature value indicated by the exhaust gas temperature information;
[0050] determine a target exhaust gas superheat degree according to the first exhaust gas superheat degree and the compressor operation frequency information;
[0051] determine the temperature difference information according to the target exhaust gas superheat degree and the second exhaust gas superheat degree.
[0052] Optionally, in some embodiments of the present application, the processing module is further configured to:
[0053] determine a vapor temperature value according to the preset exhaust gas pressure value;
[0054] determine the first exhaust gas superheat degree according to the preset exhaust gas temperature value and the vapor temperature value.
[0055] Optionally, in some embodiments of the present application, the processing module is further configured to:
[0056] determine a frequency interval corresponding to the operating frequency indicated by the compressor operating frequency information;
[0057] if the frequency interval is a first frequency interval, determine the target exhaust gas superheat degree according to the first exhaust gas superheat degree and a first superheat compensation value;
[0058] if the frequency interval is a second frequency interval, determine the target exhaust gas superheat degree according to the first exhaust gas superheat degree and a second superheat compensation value;
[0059] if the frequency interval is a third frequency interval, determine the target exhaust gas superheat degree according to the first exhaust gas superheat degree and a third superheat compensation value;
[0060] wherein the first superheat compensation value is less than the second superheat compensation value, and the second superheat compensation value is less than the third superheat compensation value.
[0061] Optionally, in some embodiments of the present application, the processing module is further configured to:
[0062] in a case where the current operating frequency indicated by the compressor operating frequency information is greater than a preset operating frequency, determine the temperature difference information according to the exhaust gas pressure information, the exhaust gas temperature information, and the compressor operating frequency information.
[0063] Optionally, in some embodiments of the present application, the obtaining module is configured to:
[0064] obtain an standby exhaust gas pressure value of the air conditioner in a standby state;
[0065] in a case where the standby exhaust gas pressure value is less than a preset exhaust gas pressure value, obtain the exhaust gas pressure information, the exhaust gas temperature information, and the compressor operating frequency information of the air conditioner.
[0066] In a third aspect, the embodiments of the present application further provide an electronic device, which comprises a memory, a processor, and a computer program stored in the memory and executable on the processor, and the computer program is executed by the processor to implement the steps in the air conditioner control method described above.
[0067] In a fourth aspect, the embodiments of the present application further provide a computer readable storage medium, which stores a computer program, and the computer program is executed by a processor to implement the steps in the air conditioner control method described above.
[0068] In a fifth aspect, an embodiment of the present application further provides a computer program product or a computer program, which comprises computer instructions stored in a computer readable storage medium. A processor of a computer device reads the computer instructions from the computer readable storage medium, and the processor executes the computer instructions to enable the computer device to perform the method provided in various optional implementation manners described in the embodiments of the present application.
[0069] To sum up, the embodiments of the present application determine that the running time length of the air conditioner reaches a first preset time length, acquire the exhaust pressure information and the exhaust temperature information of the air conditioner and the compressor running frequency information of the air conditioner, determine the temperature difference information according to the exhaust pressure information, the exhaust temperature information and the compressor running frequency information, determine the target running strategy according to the temperature difference information, wherein the target running strategy is a running strategy for addressing the fluorine deficiency problem under the temperature difference information, and control the air conditioner to run according to the target running strategy. The technical scheme can judge the air conditioner refrigerant leakage according to the air conditioner exhaust pressure, the exhaust temperature and the compressor frequency, and adjust the corresponding running strategy, thereby realizing the technical effects of improving the refrigerant leakage judgment accuracy, timely changing the air conditioner running strategy and improving the user experience. BRIEF DESCRIPTION OF DRAWINGS
[0070] In order to more clearly illustrate the technical solutions in the present application, the drawings needed in the embodiment description will be briefly introduced as follows. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor.
[0071] Figure 1 is a scene schematic diagram of an air conditioner control method provided by an embodiment of the present application;
[0072] Figure 2 is a scene schematic diagram of an air conditioner executing the air conditioner control method provided by an embodiment of the present application;
[0073] Figure 3 is a schematic diagram of an air conditioner compressor exhaust pipe structure provided by an embodiment of the present application;
[0074] Figure 4 is a schematic diagram of an air conditioner fluorine deficiency judgment flow provided by an embodiment of the present application;
[0075] Figure 5 is a schematic diagram of an air conditioner control device structure provided by an embodiment of the present application;
[0076] Figure 6 is a schematic diagram of an electronic device structure provided by an embodiment of the present application. DETAILED DESCRIPTION
[0077] The technical solutions in the present application will be described clearly and completely in combination with the drawings in the present application. Obviously, the described embodiments are only some of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the protection scope of the present application.
[0078] In the description of the present application, it should be understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the device or element indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application. In addition, the terms "first", "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features defined as "first", "second" can explicitly or implicitly include one or more of the above features. In the description of the present application, the meaning of "a plurality of" is two or more, unless otherwise explicitly and specifically limited.
[0079] In the present application, the word "exemplary" is used to mean "serving as an example, instance, or illustration." Any implementation described as "exemplary" in the present application is not necessarily to be construed as preferred or advantageous over other implementations. The following description is presented to enable any person skilled in the art to make and use the present application. In the following description, for the purposes of explanation, numerous details are set forth. It should be appreciated that the present application can be practiced in other embodiments that depart from these specific details. In other instances, detailed descriptions of well-known structures and processes are not presented in order to avoid obscuring the description of the present application. Thus, the present application is not intended to be limited to the embodiments shown, but is to be accorded the widest scope consistent with the principles and features presented herein.
[0080] First, the terms involved in the present application are explained:
[0081] Air conditioner: Air Conditioner, generally including cold / heat source equipment, cold and hot medium delivery system, terminal device and other auxiliary equipment. Mainly including, refrigeration host, water pump, fan and pipeline system. The terminal device is responsible for processing the air state by using the delivered cold and heat, so that the air parameters of the target environment meet certain requirements.
[0082] Refrigerant: A working substance used in air conditioning systems that plays a role in heat transfer and refrigeration in the air conditioning cycle. Common air conditioning refrigerants include the Freon series, ammonia, carbon dioxide, etc. Refrigerant leakage refers to the leakage of refrigerant in the air conditioning system in some places, causing the refrigerant to escape from the system. Refrigerant leakage can have some negative effects on the environment and human health, and also affects the performance and efficiency of the air conditioning system.
[0083] Superheat: The difference between the temperature of the vapor at the outlet of the evaporator and the saturation temperature in an air conditioning or refrigeration system. It is an important parameter for evaluating the operating state and performance of the air conditioning system. The calculation method of superheat can be determined by measuring the difference between the vapor temperature at the outlet of the evaporator and the saturation temperature. Saturation temperature refers to the temperature at which liquid and gas coexist at a given pressure. The value of superheat can be obtained by looking up the steam table or using temperature sensors and pressure sensors.
[0084] The embodiments of the present application provide an air conditioner control method, device, electronic equipment and computer readable storage medium. Specifically, the embodiments of the present application provide an air conditioner control device suitable for air conditioner control method, which includes air conditioner and main control device of air conditioner, such as wall-mounted air conditioner, stand-type air conditioner, window-type air conditioner, ceiling-type air conditioner, embedded air conditioner, etc.
[0085] In the prior art, with the continuous development of air conditioners and the continuous improvement of people's living standards, air conditioner products are becoming more and more popular, and users have higher and higher safety requirements for air conditioner products.
[0086] However, in the existing air conditioner control technology, the direct manifestation of air conditioner refrigerant leakage is the increase of exhaust temperature, so when judging the air conditioner refrigerant leakage, only the exhaust temperature value is used for judgment, resulting in inaccurate judgment results, and the air conditioner refrigerant leakage cannot be found in time, affecting the air conditioner running efficiency and bringing safety hazards to users.
[0087] The embodiments of the present application provide an air conditioner control method, device, electronic equipment and computer readable storage medium. The technical scheme adopts determining that the running time of the air conditioner reaches a first preset time length, acquiring the exhaust pressure information, exhaust temperature information of the air conditioner and the compressor running frequency information of the air conditioner; determining the temperature difference information according to the exhaust pressure information, exhaust temperature information and compressor running frequency information; determining the target running strategy according to the temperature difference information, wherein the target running strategy is the running strategy for dealing with the lack of fluorine problem under the temperature difference information; and controlling the air conditioner to run according to the target running strategy.
[0088] To sum up, the air conditioner control method provided in the embodiments of the present application can determine the refrigerant leakage of the air conditioner according to the air outlet pressure, the air outlet temperature and the compressor frequency of the air conditioner, and adjust the corresponding operation strategy, thereby achieving the technical effects of improving the refrigerant leakage determination accuracy, timely changing the air conditioner operation strategy and improving the user experience.
[0089] The following will be described in detail. It should be noted that the description order of the following embodiments is not limited as the priority order of the embodiments.
[0090] Please refer to Figure 1 , Figure 1 The scene schematic diagram of the air conditioner control method provided in the embodiments of the present application is shown in the following figure. The air conditioner control system can include an air conditioner 100 and a master control device 200. The air conditioner 100 and the master control device 200 can be connected in communication by any means, including but not limited to signal communication through electronic lines, communication through wireless signals, computer network communication of TCP / IP Protocol Suite (TCP / IP), User Datagram Protocol (UDP), etc. The air conditioner 100 can receive control signals on the remote controller or the control panel, and perform a series of air conditioner functions such as refrigeration, heating, dehumidification, dust removal, etc. The air conditioner 100 can also accept instruction information sent by the master control device 200. The air conditioner 100 can perform a series of operations such as refrigeration, heating, dehumidification, dust removal, etc. according to the corresponding instruction information, for example, the air conditioner control method in the present application.
[0091] In the embodiments of the present application, the air conditioner 100 includes but is not limited to a wall-mounted air conditioner, a stand-type air conditioner, a window-type air conditioner, a ceiling-mounted air conditioner, an embedded air conditioner, etc.
[0092] Those skilled in the art can understand that Figure 1 The application environment shown in the above figure is only one application scenario of the present application scheme, and does not constitute a limitation on the application scenarios of the present application scheme. Other application environments can include more or fewer air conditioners and air conditioners than Figure 1 The above figure only shows 1 air conditioner or air conditioner, and the air conditioner control system of the present application can also include one or more air conditioners and air conditioners for executing the air conditioner control method of the present application. The specific number is not limited here. Figure 1
[0093] In addition, as shown in the above figure, the master control device 200 can include a CPU, a single-chip microcomputer or any hardware device capable of data processing and instruction sending embedded in the air conditioner. The specific hardware device is not limited here. Figure 1 It should be noted that
[0094] Figure 1 The scene diagram of the air conditioner control system shown is only an example, and the air conditioner control system and the scene described in the embodiments of the present application are used to more clearly illustrate the technical solutions of the embodiments of the present application, and do not constitute a limitation on the technical solutions provided by the embodiments of the present application. Those skilled in the art can know that, with the evolution of the air conditioner control system and the appearance of new business scenarios, the technical solutions provided by the embodiments of the present application are also applicable to similar technical problems.
[0095] Specifically, please refer to Figure 2 , Figure 2 The scene diagram of the air conditioner executing the air conditioner control method provided by the embodiments of the present application is shown in FIG. 6, and a specific execution process of the air conditioner executing the air conditioner control method is as follows.
[0096] S201: Determine whether the running time of the air conditioner reaches a first preset time length, and obtain the exhaust pressure information, the exhaust temperature information of the air conditioner, and the compressor running frequency information of the air conditioner.
[0097] In the embodiments of the present application, as shown in the air conditioner compressor exhaust pipe structure diagram Figure 3 , one or more pressure and temperature sensors can be arranged at the compressor exhaust pipe to detect the exhaust temperature and the exhaust pressure of the exhaust port, so as to subsequently judge the refrigerant leakage condition.
[0098] As a possible embodiment, before the air conditioner is running, the refrigerant amount of the air conditioner is determined, and in the case of the rated refrigerant amount, the exhaust pressure values in the standby state corresponding to different working conditions are obtained, and the exhaust pressure values are taken as the preset standby exhaust pressure values P0.
[0099] Correspondingly, in the case of the rated refrigerant amount, during the running of the air conditioner, the exhaust pressure values and the exhaust temperature values corresponding to different working conditions are obtained, and the exhaust pressure values during the running are taken as the preset running exhaust pressure values P1, and the exhaust temperature values during the running are taken as the preset running exhaust temperature values T1.
[0100] It should be noted that the air conditioner preset parameters include but are not limited to: the preset exhaust pressure values, the preset exhaust temperature values, the preset exhaust superheat degree, and the preset compressor frequency values, etc. The air conditioner preset parameters can be stored in the air conditioner or the processor chip in the form of a collection, which is not specifically limited in the embodiments of the present application.
[0101] In the embodiments of the present application, when the running time of the air conditioner reaches the first preset time length, the exhaust pressure information, the exhaust temperature information of the air conditioner, and the compressor running frequency information of the air conditioner are obtained.
[0102] Optionally, the exhaust pressure information may include: the current exhaust pressure value, the preset standby exhaust pressure value P0, the preset operating exhaust pressure value P1, etc. The exhaust temperature information may include: the current exhaust temperature value, the preset operating exhaust temperature value T1, etc. The compressor operating frequency information may include: the current actual operating frequency F of the compressor, the threshold value F0 set for the compressor frequency low refrigerant logic judgment, the preset compressor frequency values F1, F2, F3, etc.
[0103] It should be noted that the first preset duration can be set to t minutes, and can be modified or set according to the actual situation. The threshold value F0 set for the compressor frequency low refrigerant logic judgment, and the preset compressor frequency values F1, F2, F3, etc. can all be modified or set according to the actual situation.
[0104] Before obtaining the exhaust pressure information, exhaust temperature information and the compressor operating frequency information of the air conditioner, optionally, the air conditioner control method provided by the embodiments of the present application further includes: obtaining the standby exhaust pressure value of the air conditioner in the standby state; when the standby exhaust pressure value is less than the preset exhaust pressure value, obtaining the exhaust pressure information, exhaust temperature information and the compressor operating frequency information of the air conditioner.
[0105] As a possible embodiment, taking the case where the refrigerant of the air conditioner is fluorine as an example, as Figure 4 shown in the schematic diagram of the air conditioner low refrigerant judgment process, before the air conditioner starts, obtain the standby exhaust pressure value of the air conditioner in the standby state; when the standby exhaust pressure value is less than the preset exhaust pressure value P0, then after the air conditioner starts and meets the preset conditions, obtain the exhaust pressure information P, exhaust temperature information T2 and the compressor operating frequency information F of the air conditioner in the operating state.
[0106] Optionally, when the air conditioner is in the standby state, if the refrigerant amount decreases, the corresponding system pressure is low. Therefore, judge the difference between the actual pressure P3 at this time and the standard value P0. If the actual exhaust pressure P3 < P0, the air conditioner low refrigerant detection condition is met; if the actual exhaust pressure P3 ≥ P0, the air conditioner low refrigerant detection condition is not met, and the air conditioner operates normally and does not enter the low refrigerant logic judgment.
[0107] Before determining the temperature difference information according to the exhaust pressure information, exhaust temperature information and compressor operating frequency information, optionally, the air conditioner control method provided by the embodiments of the present application further includes: when the current operating frequency indicated by the compressor operating frequency information is greater than the preset operating frequency, determining the temperature difference information according to the exhaust pressure information, exhaust temperature information and compressor operating frequency information.
[0108] As a possible embodiment, when it is determined that the exhaust pressure P3 in the standby state is less than the preset exhaust pressure value P0, the air conditioner enters a fluorine deficiency judgment process, and when it is determined that the running time of the air conditioner reaches a first preset time length, the exhaust pressure information P, the exhaust temperature information T2 and the compressor running frequency information F of the air conditioner are obtained.
[0109] S202: Determine the temperature difference information according to the exhaust pressure information, the exhaust temperature information and the compressor running frequency information.
[0110] In the embodiments of the present application, as shown in Figure 4 , after the exhaust pressure information P, the exhaust temperature information T2 and the compressor running frequency information F of the air conditioner are obtained, it is determined whether the compressor running frequency information F is greater than a threshold F0 set by the fluorine deficiency logical judgment of the compressor frequency, and in the case of F>F0, it is further determined whether the exhaust pressure information P is less than a preset running exhaust pressure value P1 and whether the real-time exhaust superheat T is greater than an exhaust superheat set value T 过热 +▲T, the sum of the exhaust superheat T and the overheat compensation value▲T, and in the case of T>T 过热 +▲T, the temperature difference information of T and T 过热 +▲T is determined.
[0111] Optionally, the air conditioner control method provided by the embodiments of the present application further comprises: determining a first exhaust superheat according to a preset exhaust pressure value indicated by the exhaust pressure information and a preset exhaust temperature value indicated by the exhaust temperature information; determining a second exhaust superheat according to a current exhaust pressure value indicated by the exhaust pressure information and a current exhaust temperature value indicated by the exhaust temperature information; determining a target exhaust superheat according to the first exhaust superheat and the compressor running frequency information; and determining temperature difference information according to the target exhaust superheat and the second exhaust superheat.
[0112] As a possible embodiment, a first exhaust superheat T 过热 (ie, the exhaust superheat set value) is determined according to a preset exhaust pressure value P1 indicated by the exhaust pressure information and a preset exhaust temperature value T1 indicated by the exhaust temperature information.
[0113] Optionally, the air conditioner control method provided by the embodiments of the present application further comprises: determining a vapor temperature value according to the preset exhaust pressure value; and determining a first exhaust superheat according to the preset exhaust temperature value and the vapor temperature value.
[0114] As a possible embodiment, a vapor temperature value T sat under the preset exhaust pressure value P1 is determined by using a saturation pressure calculation formula, and the saturation pressure calculation formula can be T sat =f(P1), so as to obtain the vapor temperature value T sat , and then T 过热 =T1-T satThe first exhaust gas superheat T is calculated 过热 .
[0115] Accordingly, the second exhaust gas superheat T (i.e., the real-time exhaust gas superheat) is determined according to the current exhaust gas pressure value P indicated by the exhaust gas pressure information and the current exhaust gas temperature value T2 indicated by the exhaust gas temperature information.
[0116] As a possible embodiment, the saturated pressure calculation formula is used to determine the vapor temperature value T at the current exhaust gas pressure value P sat The saturated pressure calculation formula can be T sat = f (P) to obtain the vapor temperature value T sat After that, the second exhaust gas superheat T is calculated by T = T2-T sat .
[0117] Optionally, the air conditioner control method provided by the embodiment of the present application further comprises: determining a frequency interval corresponding to the operating frequency indicated by the compressor operating frequency information. If the frequency interval is a first frequency interval, the target exhaust gas superheat is determined according to the first exhaust gas superheat and the first superheat compensation value. If the frequency interval is a second frequency interval, the target exhaust gas superheat is determined according to the first exhaust gas superheat and the second superheat compensation value. If the frequency interval is a third frequency interval, the target exhaust gas superheat is determined according to the first exhaust gas superheat and the third superheat compensation value.
[0118] As a possible embodiment, after the first exhaust gas superheat T 过热 and the second exhaust gas superheat T are determined, the superheat compensation value ΔT of the first exhaust gas superheat T 过热 is also determined, which can be determined through the frequency interval corresponding to the operating frequency indicated by the compressor operating frequency information.
[0119] As a possible embodiment, when F0<F≤F1, the ΔT can be set to 2℃, or can be set to other values according to actual conditions and refrigerant types.
[0120] As a possible embodiment, when F1<F<≤F2, the ΔT can be set to 4℃, or can be set to other values according to actual conditions and refrigerant types.
[0121] As a possible embodiment, when F2<F≤F3, the ΔT can be set to 6℃, or can be set to other values according to actual conditions and refrigerant types.
[0122] In the embodiment of the present application, the first superheat compensation value is less than the second superheat compensation value, and the second superheat compensation value is less than the third superheat compensation value. The preset compressor frequency values F1, F2, F3, etc. can also be set according to actual conditions and refrigerant types.
[0123] In this embodiment of the application, when T>T 过热 In the case of +▲T, determine T and T 过热 +▲T temperature difference information.
[0124] S203: Determine the target operating strategy based on temperature difference information.
[0125] In this embodiment, the target operating strategy is an operating strategy for dealing with fluoride deficiency under temperature difference information, as follows: Figure 4 As shown, it can be determined according to T-(T 过热 The difference between +▲T) determines the degree of refrigerant shortage in the air conditioner and the subsequent operation strategy.
[0126] Optionally, the air conditioning control method provided in this application embodiment further includes: determining the temperature range corresponding to the temperature value indicated by the temperature difference information.
[0127] In this embodiment, the temperature range can be set as a first temperature range (0℃, 2℃), a second temperature range (2℃, 4℃), or a first temperature range (4℃, ∞℃). The temperature range can also be set to other values according to actual conditions and the type of refrigerant.
[0128] It should be noted that the first temperature range is for slight fluoride deficiency, the second temperature range is for moderate fluoride deficiency, and the third temperature range is for severe fluoride deficiency.
[0129] S204: Control the operation of the air conditioner according to the target operation strategy.
[0130] Optionally, the air conditioning control method provided in this application embodiment further includes: if the temperature range is a first temperature range, then the target operating strategy is determined to be to operate according to the current operating frequency of the air conditioner. If the temperature range is a second temperature range, then the target operating strategy is determined to be to determine the target operating frequency based on temperature difference information and reduce the current operating frequency of the air conditioner to the target operating frequency. If the temperature range is a third temperature range, then the target operating strategy is determined to reduce the current operating frequency of the air conditioner to a first preset frequency.
[0131] As one possible implementation, if the temperature range is 0°C <T-(T 过热 If +▲T)≤2℃, it is determined that the system is slightly low on refrigerant, and the display panel will show a yellow refrigerant shortage warning. The air conditioner will continue to operate normally.
[0132] As one possible embodiment, if the temperature range is 2°C <T-(T 过热 If +▲T)≤4℃, it is determined to be a moderate refrigerant leak in the system. The display panel will show a red refrigerant shortage warning, and the air conditioner will reduce its frequency to T-(T) operation. 过热 Maintain this frequency when +▲T)≤2℃.
[0133] As a possible embodiment, if the temperature interval is 4℃ < T < (T 过热 +▲T), it is determined that the system has a severe fluorine leakage, and the compressor is protected to stop running, and the display panel displays a red fluorine deficiency reminder.
[0134] In the embodiment of the present application, the current running frequency is the current running frequency of the compressor of the air conditioner, the target running frequency is less than the current running frequency, and the first preset frequency is less than the target running frequency. The first preset frequency is set to 0, and can also be set to other values according to actual conditions and refrigerant types.
[0135] In the embodiment of the present application, P0 represents a set of exhaust pressures corresponding to the standby state under different working conditions; P1 represents a set of exhaust pressures corresponding to different working conditions when the air conditioner is running; T1 represents a set of exhaust temperatures corresponding to different working conditions when the air conditioner is running; T sat represents the temperature value of saturated vapor under P1 pressure; T 过热 represents the exhaust superheat setting value; P3 represents the standby exhaust real-time pressure value; P represents the exhaust real-time pressure value; T2 represents the exhaust real-time temperature value; t represents a preset time for the air conditioner to reach the fluorine deficiency logic judgment; F represents the actual running frequency of the compressor; F0 represents the threshold value set for the fluorine deficiency logic judgment of the compressor frequency; T represents the real-time exhaust superheat; and ▲T represents the superheat compensation value.
[0136] By the embodiment of the present application, the running time of the air conditioner is determined to reach a first preset time, the exhaust pressure information, the exhaust temperature information and the compressor running frequency information of the air conditioner are obtained, the temperature difference information is determined according to the exhaust pressure information, the exhaust temperature information and the compressor running frequency information, and the target running strategy is determined according to the temperature difference information, wherein the target running strategy is a running strategy for dealing with the fluorine deficiency problem under the temperature difference information. The technical scheme for controlling the air conditioner according to the target running strategy can judge the refrigerant leakage of the air conditioner according to the exhaust pressure, the exhaust temperature and the compressor frequency of the air conditioner, and adjust the corresponding running strategy, thereby realizing the technical effects of improving the refrigerant leakage judgment accuracy, timely changing the air conditioner running strategy and improving the user experience.
[0137] In order to better implement the air conditioner control method of the present application, the present application also provides an air conditioner control device based on the above-mentioned air conditioner control method. The meanings of the terms are the same as those in the above-mentioned air conditioner control method, and the specific implementation details can be referred to the description in the method embodiment.
[0138] Please refer to Figure 5 , Figure 5 is a structural schematic diagram of the air conditioner control device provided by the embodiment of the present application, wherein the air conditioner control device 500 is applied to an air conditioner, and specifically can be as follows:
[0139] The acquisition module 501 is configured to determine that the running time length of the air conditioner reaches a first preset time length, and acquire exhaust pressure information and exhaust temperature information of the air conditioner and compressor running frequency information of the air conditioner.
[0140] The processing module 502 is further configured to determine temperature difference information according to the exhaust pressure information, the exhaust temperature information and the compressor running frequency information.
[0141] The processing module 502 is further configured to determine a target running strategy according to the temperature difference information, wherein the target running strategy is a running strategy for addressing a lack of fluorine problem under the temperature difference information.
[0142] The processing module 502 is further configured to control the air conditioner to run according to the target running strategy.
[0143] Optionally, in some embodiments of the present application, the processing module 502 is further configured to:
[0144] determine a temperature interval corresponding to a temperature value indicated by the temperature difference information.
[0145] If the temperature interval is a first temperature interval, it is determined that the target running strategy is to run according to a current running frequency of the air conditioner.
[0146] If the temperature interval is a second temperature interval, it is determined that the target running strategy is to determine a target running frequency according to the temperature difference information, and to reduce the current running frequency of the air conditioner to the target running frequency.
[0147] If the temperature interval is a third temperature interval, it is determined that the target running strategy is to reduce the current running frequency of the air conditioner to a first preset frequency.
[0148] The current running frequency is a current running frequency of the compressor of the air conditioner, the target running frequency is less than the current running frequency, and the first preset frequency is less than the target running frequency.
[0149] Optionally, in some embodiments of the present application, the processing module 502 is further configured to:
[0150] determine a first exhaust superheat degree according to a preset exhaust pressure value indicated by the exhaust pressure information and a preset exhaust temperature value indicated by the exhaust temperature information.
[0151] determine a second exhaust superheat degree according to a current exhaust pressure value indicated by the exhaust pressure information and a current exhaust temperature value indicated by the exhaust temperature information.
[0152] determine a target exhaust superheat degree according to the first exhaust superheat degree and the compressor running frequency information.
[0153] determine the temperature difference information according to the target exhaust superheat degree and the second exhaust superheat degree.
[0154] Optionally, in some embodiments of the present application, the processing module 502 is further configured to:
[0155] determine the vapor temperature value according to the preset exhaust pressure value;
[0156] determine the first exhaust superheat degree according to the preset exhaust temperature value and the vapor temperature value.
[0157] Optionally, in some embodiments of the present application, the processing module 502 is further configured to:
[0158] determine the frequency interval corresponding to the operating frequency indicated by the compressor operating frequency information;
[0159] if the frequency interval is the first frequency interval, determine the target exhaust superheat degree according to the first exhaust superheat degree and the first superheat compensation value;
[0160] if the frequency interval is the second frequency interval, determine the target exhaust superheat degree according to the first exhaust superheat degree and the second superheat compensation value;
[0161] if the frequency interval is the third frequency interval, determine the target exhaust superheat degree according to the first exhaust superheat degree and the third superheat compensation value;
[0162] wherein the first superheat compensation value is less than the second superheat compensation value, and the second superheat compensation value is less than the third superheat compensation value.
[0163] Optionally, in some embodiments of the present application, the processing module 502 is further configured to:
[0164] in a case where the current operating frequency indicated by the compressor operating frequency information is greater than the preset operating frequency, determine the temperature difference information according to the exhaust pressure information, the exhaust temperature information and the compressor operating frequency information.
[0165] Optionally, in some embodiments of the present application, the processing module 502 is further configured to:
[0166] obtain the standby exhaust pressure value of the air conditioner in the standby state;
[0167] in a case where the standby exhaust pressure value is less than the preset exhaust pressure value, obtain the exhaust pressure information, the exhaust temperature information of the air conditioner and the compressor operating frequency information of the air conditioner.
[0168] The embodiment of the application first determines, by the acquisition module 501, that the running duration of the air conditioner reaches a first preset duration, acquires the exhaust pressure information, the exhaust temperature information and the compressor running frequency information of the air conditioner, then the processing module 502 determines the temperature difference information according to the exhaust pressure information, the exhaust temperature information and the compressor running frequency information, subsequently, the processing module 502 determines the target running strategy according to the temperature difference information, wherein the target running strategy is a running strategy for addressing the lack of fluorine problem under the temperature difference information, and then the processing module 502 controls the air conditioner to run according to the target running strategy.
[0169] In the technical scheme, the running duration of the air conditioner is determined to reach the first preset duration, the exhaust pressure information, the exhaust temperature information and the compressor running frequency information of the air conditioner are acquired, the temperature difference information is determined according to the exhaust pressure information, the exhaust temperature information and the compressor running frequency information, the target running strategy is determined according to the temperature difference information, wherein the target running strategy is a running strategy for addressing the lack of fluorine problem under the temperature difference information, and the air conditioner is controlled to run according to the target running strategy. Thus, the air conditioner refrigerant leakage condition can be judged according to the air conditioner exhaust pressure, the exhaust temperature and the compressor frequency, and the corresponding running strategy can be adjusted, so that the technical effects of improving the refrigerant leakage judgment accuracy, timely changing the air conditioner running strategy and improving the user experience are achieved.
[0170] In addition, the application further provides an electronic device, as shown in Figure 6 The electronic device can include a processor 601 having one or more processing cores, a memory 602 having one or more computer readable storage media, a power supply 603, an input unit 604, and the like. Those skilled in the art can understand that the structure of the electronic device shown in
[0171] The electronic device can include a processor 601 having one or more processing cores, a memory 602 having one or more computer readable storage media, a power supply 603, an input unit 604, and the like. Those skilled in the art can understand that the structure of the electronic device shown in Figure 6 The electronic device can include a processor 601 having one or more processing cores, a memory 602 having one or more computer readable storage media, a power supply 603, an input unit 604, and the like. Those skilled in the art can understand that the structure of the electronic device shown in
[0172] The processor 601 is the control center of the electronic device, connects all parts of the electronic device through various interfaces and lines, executes various functions of the electronic device and processes data by running or executing software programs and / or modules stored in the memory 602 and calling data stored in the memory 602, thereby overall monitoring the electronic device. Optionally, the processor 601 can include one or more processing cores; preferably, the processor 601 can integrate an application processor and a modem processor, wherein the application processor mainly processes the operating system, user interface and application programs, and the modem processor mainly processes wireless communication. It can be understood that the above-mentioned modem processor can also not be integrated into the processor 601.
[0173] The memory 602 can be used to store software programs and modules, and the processor 601 can execute various function applications and data processing by running the software programs and modules stored in the memory 602. The memory 602 can mainly include a program storage area and a data storage area, wherein the program storage area can store an operating system, at least one application program required by a function (such as a sound playing function, an image playing function, etc.), and the like; and the data storage area can store data created according to the use of the electronic device, etc. In addition, the memory 602 can include a high-speed random access memory, and can also include a non-volatile memory, such as at least one magnetic disk storage device, a flash memory device, or other volatile solid-state memory device. Accordingly, the memory 602 can also include a memory controller to provide the processor 601 with access to the memory 602.
[0174] The electronic device also includes a power supply 603 for supplying power to various components. Preferably, the power supply 603 can be logically connected to the processor 601 through a power management system, so as to realize functions such as management of charging, discharging, and power consumption management through the power management system. The power supply 603 can also include one or more direct current or alternating current power supplies, a recharging system, a power supply device debugging circuit, a power supply converter or inverter, a power supply state indicator, and the like.
[0175] The electronic device can also include an input unit 604, which can be used to receive input digital or character information, and to generate keyboard, mouse, joystick, optical or trackball signal inputs related to user settings and function controls.
[0176] Although not shown, the electronic device can also include a display unit, etc., which will not be described here. Specifically, in the present embodiment, the processor 601 in the electronic device will load the executable file corresponding to the process of one or more application programs into the memory 602 according to the following instructions, and run the application programs stored in the memory 602 by the processor 601, so as to realize the steps in any air conditioner control method provided by the embodiments of the present application.
[0177] According to the technical scheme, the running time length of the air conditioner is determined to reach a first preset time length, the exhaust pressure information, the exhaust temperature information and the compressor running frequency information of the air conditioner are acquired, the temperature difference information is determined according to the exhaust pressure information, the exhaust temperature information and the compressor running frequency information, the target running strategy is determined according to the temperature difference information, the target running strategy is the running strategy for addressing the fluorine deficiency problem under the temperature difference information, and the air conditioner is controlled to run according to the target running strategy. According to the technical scheme, the air conditioner refrigerant leakage condition can be determined according to the air conditioner exhaust pressure, the air conditioner exhaust temperature and the compressor frequency, and the corresponding running strategy can be adjusted, so that the technical effects of improving the refrigerant leakage judgment accuracy, timely changing the air conditioner running strategy and improving the user experience are achieved.
[0178] The specific implementation of each operation can be referred to the foregoing embodiments, and will not be described here.
[0179] Those skilled in the art can understand that all or part of the steps in the various methods of the foregoing embodiments can be completed by instructions, or by related hardware controlled by the instructions, the instructions can be stored in a computer readable storage medium and loaded and executed by a processor.
[0180] Therefore, the present application provides a computer readable storage medium, which stores a computer program capable of being loaded by a processor to execute the steps in any air conditioner control method provided by the present application.
[0181] The specific implementation of each operation can be referred to the foregoing embodiments, and will not be described here.
[0182] The computer readable storage medium can include a read only memory (ROM), a random access memory (RAM), a magnetic disk or an optical disk.
[0183] Since the instructions stored in the computer readable storage medium can execute the steps in any air conditioner control method provided by the present application, the beneficial effects of any air conditioner control method provided by the present application can be achieved, which will be described in detail in the foregoing embodiments and will not be described here.
[0184] The above describes in detail the air conditioner control method, device, electronic equipment and computer readable storage medium provided by the application. The principles and implementation manners of the application are described by applying specific examples. The above example description is only used to help understand the method and core idea of the application. Meanwhile, for those skilled in the art, the specific implementation manners and application ranges can be changed according to the idea of the application. In conclusion, the content of the specification should not be understood as a limitation of the application.
Claims
1. An air conditioner control method characterized by comprising: The method is applied to an air conditioner and comprises the following steps: determining that the running time of the air conditioner reaches a first preset time length, obtaining exhaust pressure information and exhaust temperature information of the air conditioner, and obtaining compressor running frequency information of the air conditioner; determining temperature difference information according to the exhaust pressure information, the exhaust temperature information, and the compressor running frequency information, comprising: determining a first exhaust superheat degree according to a preset exhaust pressure value indicated by the exhaust pressure information and a preset exhaust temperature value indicated by the exhaust temperature information; determining a second exhaust superheat degree according to a current exhaust pressure value indicated by the exhaust pressure information and a current exhaust temperature value indicated by the exhaust temperature information; determining a frequency interval corresponding to a running frequency indicated by the compressor running frequency information; if the frequency interval is a first frequency interval, determining a target exhaust superheat degree according to the first exhaust superheat degree and a first superheat degree compensation value; if the frequency interval is a second frequency interval, determining a target exhaust superheat degree according to the first exhaust superheat degree and a second superheat degree compensation value; if the frequency interval is a third frequency interval, determining a target exhaust superheat degree according to the first exhaust superheat degree and a third superheat degree compensation value; wherein the first superheat degree compensation value is less than the second superheat degree compensation value, and the second superheat degree compensation value is less than the third superheat degree compensation value; determining the temperature difference information according to the target exhaust superheat degree and the second exhaust superheat degree; determining a target running strategy according to the temperature difference information, wherein the target running strategy is a running strategy for addressing a lack of fluorine problem under the temperature difference information; controlling the air conditioner to run according to the target running strategy.
2. The method of claim 1, wherein, The method further comprises the following steps before determining the temperature difference information according to the exhaust pressure information, the exhaust temperature information, and the compressor running frequency information: determining a temperature interval corresponding to a temperature value indicated by the temperature difference information; if the temperature interval is a first temperature interval, determining that the target running strategy is running according to a current running frequency of the air conditioner; if the temperature interval is a second temperature interval, determining that the target running strategy is determining a target running frequency according to the temperature difference information and reducing a current running frequency of the air conditioner to the target running frequency; if the temperature interval is a third temperature interval, determining that the target running strategy is reducing the current running frequency of the air conditioner to a first preset frequency; wherein the current running frequency is a current running frequency of a compressor of the air conditioner, the target running frequency is less than the current running frequency, and the first preset frequency is less than the target running frequency.
3. The method of claim 1, wherein, The method further comprises the following steps before determining the temperature difference information according to the exhaust pressure information, the exhaust temperature information, and the compressor running frequency information: determining a vapor temperature value according to the preset exhaust pressure value; determining the first exhaust superheat degree according to the preset exhaust temperature value and the vapor temperature value.
4. The method of claim 1, wherein, In a case where the current operating frequency indicated by the compressor operating frequency information is greater than the preset operating frequency, the temperature difference information is determined according to the discharge pressure information, the discharge temperature information, and the compressor operating frequency information.
5. The method of claim 1, wherein, Before the discharge pressure information, the discharge temperature information of the air conditioner, and the compressor operating frequency information of the air conditioner are acquired, the method further comprises: acquiring a standby discharge pressure value of the air conditioner in a standby state; In a case where the standby discharge pressure value is less than a preset discharge pressure value, the discharge pressure information, the discharge temperature information of the air conditioner, and the compressor operating frequency information of the air conditioner are acquired.
6. An air conditioner control device characterized by comprising: The device is applied to an air conditioner, and the device comprises: an acquisition module configured to determine that an operating duration of the air conditioner reaches a first preset duration, and acquire the discharge pressure information, the discharge temperature information of the air conditioner, and the compressor operating frequency information of the air conditioner; a processing module configured to determine temperature difference information according to the discharge pressure information, the discharge temperature information, and the compressor operating frequency information, specifically comprising: determining a first discharge superheat degree according to a preset discharge pressure value indicated by the discharge pressure information and a preset discharge temperature value indicated by the discharge temperature information; determining a second discharge superheat degree according to a current discharge pressure value indicated by the discharge pressure information and a current discharge temperature value indicated by the discharge temperature information; determining a frequency interval corresponding to an operating frequency indicated by the compressor operating frequency information; if the frequency interval is a first frequency interval, determining a target discharge superheat degree according to the first discharge superheat degree and a first superheat compensation value; if the frequency interval is a second frequency interval, determining a target discharge superheat degree according to the first discharge superheat degree and a second superheat compensation value; if the frequency interval is a third frequency interval, determining a target discharge superheat degree according to the first discharge superheat degree and a third superheat compensation value; wherein the first superheat compensation value is less than the second superheat compensation value, and the second superheat compensation value is less than the third superheat compensation value; and determining the temperature difference information according to the target discharge superheat degree and the second discharge superheat degree; the processing module is configured to determine a target operating strategy according to the temperature difference information, wherein the target operating strategy is an operating strategy for addressing a lack of fluorine problem under the temperature difference information; the processing module is configured to control the air conditioner to operate according to the target operating strategy.
7. An electronic device, comprising: The computer program is stored on the computer readable storage medium and is executed by the processor to implement the steps in the air conditioner control method according to any one of claims 1-5.
8. A computer-readable storage medium, characterized in that, The computer program is stored on the computer readable storage medium and is executed by the processor to implement the steps in the air conditioner control method according to any one of claims 1-5.
Citation Information
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