Air conditioner, heating control method thereof and computer readable storage medium

Refrigerant is solved by setting a first heating module with high heating power and a second heating module with low heating power in the indoor unit of the air conditioner, and controlling the first heating module to stop working and the second heating module to start working when the refrigerant leaks, The problems of combustion and explosion safety hazards during leakage and the degradation of working performance achieve both safety and comfort.

CN119468332APending Publication Date: 2025-02-18GD MIDEA AIR CONDITIONING EQUIP CO LTD
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Patent Information

Application Number
CN202310944020.3
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2023-07-28
Publication Date
2025-02-18

AI Technical Summary

Technical Problem

Air conditioning systems that use combustible refrigerants with low global warming potential are prone to safety hazards such as combustion and explosion when refrigerants leak. In addition, the prior art prevents refrigerant from spreading by controlling the shutdown of the air conditioner, resulting in a degradation of working performance.

Method used

A heating control method for an air conditioner is proposed. By setting a first heating module and a second heating module in an indoor unit, the heating power of the first heating module is greater than that of the second heating module, and the first heating module is controlled to stop working when the refrigerant leaks. And heat dissipation is carried out to reduce its temperature to a safe level, while the second heating module is started to work to ensure user comfort and reduce safety risks.

Benefits of technology

When the refrigerant leaks, it effectively reduces the combustion and explosion risk of the heating module and the leaking refrigerant, avoids the degradation of the working performance of the air conditioner, and ensures user comfort.

✦ Generated by Eureka AI based on patent content.

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Abstract

The invention discloses an air conditioner and a heating control method thereof and a computer readable storage medium, the air conditioner comprises an indoor unit, the indoor unit comprises a first heating module and a second heating module, and the heating power of the first heating module is larger than that of the second heating module. The heating control method of the air conditioner comprises the steps that a first heating module is controlled to work; and when refrigerant leakage occurs in the indoor unit, the first heating module is controlled to stop working, and the second heating module is controlled to work. Therefore, according to the method, by controlling the first heating module to stop working and controlling the second heating module to work, the first heating module with high heat stops heating and dissipates heat, so that the temperature of the first heating module is reduced to a safe temperature, and meanwhile, the second heating module with relatively low heating power starts to work; while the comfort of a user is ensured, the risk of potential safety hazards such as combustion and explosion caused by contact between the heating module and the leaked refrigerant is reduced.
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Description

Technical Field

[0001] The present invention relates to the technical field of household appliances, and in particular to a heating control method for an air conditioner, a computer-readable storage medium and an air conditioner. Background Art

[0002] At present, refrigerants (coolants) with low global warming potential (Global Warming Potential, referred to as GWP) such as propane and R454B have been used as substitutes for refrigerants such as R22, R410A, and R134A in HVAC (Heating, Ventilation and Air Conditioning) systems.

[0003] However, once a refrigerant leaks in an air conditioning system using a low GWP flammable refrigerant, it is easy to cause safety hazards such as combustion and explosion. In the related art, when a refrigerant leaks in an air conditioning system, the air conditioner is shut down to prevent the refrigerant from spreading further, which reduces the working performance of the air conditioner. Summary of the invention

[0004] The present invention aims to solve at least one of the technical problems in the related art to a certain extent. To this end, the first purpose of the present invention is to provide a heating control method for an air conditioner. When a refrigerant leaks, the first heating module with high heat is stopped from heating and dissipated by controlling the first heating module to stop working and the second heating module to work, so that the temperature of the first heating module drops to a safe temperature, and the second heating module with lower heating power starts working. While ensuring the user's comfort, the heat generated by the working second heating module can be prevented from exceeding the safe temperature, thereby reducing the risk of safety hazards such as combustion and explosion caused by the contact between the heating module of the air conditioner and the leaked refrigerant.

[0005] A second object of the present invention is to provide a computer-readable storage medium.

[0006] The third object of the present invention is to provide an air conditioner.

[0007] A fourth object of the present invention is to provide an air conditioner.

[0008] To achieve the above-mentioned purpose, a first embodiment of the present invention proposes a heating control method for an air conditioner, wherein the air conditioner includes an indoor unit, the indoor unit includes a first heating module and a second heating module, and the heating power of the first heating module is greater than the heating power of the second heating module. The heating control method for the air conditioner includes: controlling the first heating module to work; when refrigerant leakage occurs in the indoor unit, controlling the first heating module to stop working and controlling the second heating module to work.

[0009] According to the heating control method of the air conditioner of the embodiment of the present invention, the air conditioner includes an indoor unit, the indoor unit includes a first heating module and a second heating module, and the heating power of the first heating module is greater than the heating power of the second heating module. The heating control method of the air conditioner controls the first heating module to work, and when a refrigerant leak occurs in the indoor unit, controls the first heating module to stop working and controls the second heating module to work. When a refrigerant leak occurs, the method controls the first heating module to stop working and controls the second heating module to work, so that the high-heat first heating module stops heating and dissipates heat, so that the temperature of the first heating module drops to a safe temperature, and at the same time, the second heating module with a smaller heating power starts working. While ensuring the user's comfort, the heat generated by the working second heating module can be prevented from exceeding the safe temperature, thereby reducing the risk of safety hazards such as combustion and explosion caused by the contact between the heating module of the air conditioner and the leaked refrigerant.

[0010] In addition, the heating control method of the air conditioner according to the above embodiment of the present invention may also have the following additional technical features:

[0011] According to one embodiment of the present invention, the indoor unit further includes an indoor fan. When the first heating module is controlled to stop working and the second heating module is controlled to work, the heating control method of the air conditioner further includes: controlling the indoor fan to work in the first operating mode.

[0012] According to one embodiment of the present invention, controlling the indoor fan to operate in a first operating mode includes: controlling the indoor fan to operate at a first preset speed; after a first preset condition is met, controlling the indoor fan to operate at a second preset speed, wherein the second preset speed is greater than the first preset speed.

[0013] According to an embodiment of the present invention, the first preset condition includes that the operation time of the indoor fan is longer than the preset time and / or the temperature of the first heating module is lower than the first preset temperature.

[0014] According to an embodiment of the present invention, the heating method of the air conditioner further includes: when a second preset condition is met, controlling the indoor fan to operate in a first operating mode.

[0015] According to one embodiment of the present invention, the second preset condition includes at least one of the refrigerant content of the indoor unit being greater than the preset content, the amount of refrigerant flowing through the first heating module being greater than the preset refrigerant amount, or the temperature of the first heating module being greater than the second preset temperature.

[0016] To achieve the above objectives, a second embodiment of the present invention proposes a computer-readable storage medium on which a heating control program for an air conditioner is stored. When the heating control program for the air conditioner is executed by a processor, the heating control method for the air conditioner is implemented.

[0017] According to the computer-readable storage medium of an embodiment of the present invention, when the heating control program of the air conditioner stored thereon is executed by the processor, the above-mentioned heating control method of the air conditioner is implemented. Based on the above-mentioned heating control method of the air conditioner, when refrigerant leakage occurs, the first heating module with high heat stops heating and dissipates heat, so that the temperature of the first heating module drops to a safe temperature, and at the same time, the second heating module with lower heating power starts working. While ensuring the user comfort, the heat generation of the second heating module during operation can be avoided from exceeding the safe temperature, thereby reducing the risk of safety hazards such as combustion and explosion caused by contact between the heating module of the air conditioner and the leaked refrigerant.

[0018] To achieve the above-mentioned purpose, the third aspect of the embodiment of the present invention proposes an air conditioner, including a memory, a processor, and a heating control program of the air conditioner stored in the memory and executable on the processor. When the processor executes the heating control program of the air conditioner, the above-mentioned heating control method of the air conditioner is implemented.

[0019] According to the air conditioner of the embodiment of the present invention, when the heating control program of the air conditioner is executed by the processor, the heating control method of the air conditioner is implemented. Based on the heating control method of the air conditioner, when refrigerant leakage occurs, the first heating module with high heat stops heating and dissipates heat, so that the temperature of the first heating module drops to a safe temperature, and at the same time, the second heating module with lower heating power starts working. While ensuring the user comfort, the heat generation of the second heating module during operation can be avoided from exceeding the safe temperature, thereby reducing the risk of safety hazards such as combustion and explosion caused by contact between the heating module of the air conditioner and the leaked refrigerant.

[0020] To achieve the above-mentioned purpose, the fourth aspect of the present invention proposes an air conditioner, comprising: an indoor unit, the indoor unit comprising a first heating module and a second heating module, and the heating power of the first heating module is greater than the heating power of the second heating module; a controller, used to control the operation of the first heating module, and when refrigerant leakage occurs in the indoor unit, control the first heating module to stop working and control the second heating module to work.

[0021] According to the air conditioner of the embodiment of the present invention, the indoor unit includes a first heating module and a second heating module, and the heating power of the first heating module is greater than the heating power of the second heating module. The controller is used to control the operation of the first heating module, and when a refrigerant leak occurs in the indoor unit, the first heating module is controlled to stop working and the second heating module is controlled to work. When a refrigerant leak occurs, the air conditioner controls the first heating module to stop working and controls the second heating module to work, so that the high-heat first heating module stops heating and dissipates heat, so that the temperature of the first heating module drops to a safe temperature, and at the same time, the second heating module with a smaller heating power starts working. While ensuring the user's comfort, the heat generated by the working second heating module can be prevented from exceeding the safe temperature, thereby reducing the risk of safety hazards such as combustion and explosion caused by the contact between the heating module of the air conditioner and the leaked refrigerant.

[0022] In addition, the air conditioner according to the above embodiment of the present invention may also have the following additional technical features:

[0023] According to an embodiment of the present invention, the air conditioner further comprises a refrigerant sensor, which is electrically connected to the controller and is used to detect and provide feedback on whether the refrigerant is leaking.

[0024] Additional aspects and advantages of the present invention will be given in part in the following description and in part will be obvious from the following description, or will be learned through practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 is a flow chart of a heating control method of an air conditioner according to an embodiment of the present invention;

[0026] Figure 2 is a schematic structural diagram of a first heating module and a second heating module according to an embodiment of the present invention;

[0027] Figure 3 is a flow chart of a heating control method of an air conditioner according to a specific embodiment of the present invention;

[0028] Figure 4 is a block diagram of an air conditioner according to an embodiment of the present invention;

[0029] Figure 5 is a block diagram of an air conditioner according to another embodiment of the present invention;

[0030] Figure 6 FIG. 4 is a block diagram of an air conditioner according to a specific embodiment of the present invention. DETAILED DESCRIPTION

[0031] Embodiments of the present invention are described in detail below, examples of which are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, and should not be construed as limiting the present invention.

[0032] The following describes a heating control method for an air conditioner, a computer-readable storage medium, and an air conditioner according to embodiments of the present invention with reference to the accompanying drawings.

[0033] Figure 1 4 is a flow chart of a heating control method for an air conditioner according to an embodiment of the present invention.

[0034] In one embodiment of the present application, the air conditioner includes an indoor unit, the indoor unit includes a first heating module and a second heating module, and the heating power of the first heating module is greater than the heating power of the second heating module.

[0035] Specifically, the first heating module and the second heating module can be electric heating modules. The indoor unit is provided with two heating modules with different heating powers, and the first heating module and the second heating module can be controlled according to actual conditions. Figure 2 As shown, the first heating module 11 and the second heating module 12 are arranged on the electric heating component fixing plate 13 at intervals, thereby connecting to form an electric heating component. In addition, the first heating module and the second heating module can be set separately and arranged according to actual needs, which is not limited here. The heating power of the first heating module and the second heating module can be achieved by adjusting the parameters such as the length of the electric heating wire in the heating module and the power supply voltage, which is not limited here.

[0036] 1, the heating control method of the air conditioner of the present application may include:

[0037] S1, controlling the first heating module to work;

[0038] S2, when refrigerant leakage occurs in the indoor unit, the first heating module is controlled to stop working and the second heating module is controlled to work.

[0039] Specifically, during the operation of the air conditioner, the first heating module and the second heating module are controlled according to the heating demand. For example, when the heating demand is large, the first heating module and the second heating module can be controlled to work at the same time. When the heating demand is small, such as in the conventional heating mode, only the first heating module can be controlled to work. For example, when the air conditioner is running in the heating mode, the first heating module is controlled to start and the second heating module is not started; when the air conditioner is running in the cooling mode, the first heating module and the second heating module are controlled not to start. There is no limitation here.

[0040] The refrigerant concentration of the indoor unit is monitored in real time by a refrigerant leakage detection device arranged in the indoor unit. When it is determined that the refrigerant concentration reaches a preset threshold, it is determined that a refrigerant leakage occurs in the indoor unit. At this time, the working state of the first heating module and the second heating module mode is determined. If the first heating module is in working state and the second heating module is not in working state, the first heating module with high heating power will have high temperature. At this time, the first heating module with high temperature is in contact with the leaked refrigerant and it is easy to cause safety hazards such as combustion and explosion. Therefore, the first heating module is controlled to stop working, so that the temperature of the high-temperature first heating module is gradually reduced, and the second heating module is controlled to start working. On the one hand, the heating power of the second heating module is low, and the temperature of the second heating module can be controlled not to exceed the dangerous temperature that causes the refrigerant to burn or explode. At the same time, if the second heating module starts to heat up when a refrigerant leak occurs, the safety hazard of refrigerant combustion and explosion can also be reduced.

[0041] In addition, when the first heating module is working, it indicates that there is a heating demand for the air conditioner. For example, when the air conditioner is in heating mode, the first heating module works to further improve the heating effect of the room. Therefore, while controlling the first heating module to stop working to reduce the risk of combustion and explosion of leaked refrigerant, the second heating module is turned on to prevent the air temperature from being too low. Thus, while meeting the temperature requirements of refrigerant diffusion, the user's comfort is guaranteed.

[0042] In one embodiment of the present application, the indoor unit also includes an indoor fan. When controlling the first heating module to stop working and controlling the second heating module to work, the heating control method of the air conditioner also includes: controlling the indoor fan to work according to the first operating mode.

[0043] That is to say, when refrigerant leakage occurs in the indoor unit, while controlling the first heating module to stop working and controlling the second heating module to work, the indoor fan is controlled to work according to the first operating mode. On the one hand, it can accelerate the diffusion of refrigerant in the indoor unit and reduce the refrigerant concentration in the indoor unit. On the other hand, the indoor fan can dissipate the waste heat of the first heating module and speed up the cooling of the first heating module. The specific speed of the indoor fan can be set according to actual conditions.

[0044] In one embodiment of the present application, the indoor fan is controlled to operate in a first operating mode, including: controlling the indoor fan to operate at a first preset speed; after meeting a first preset condition, controlling the indoor fan to operate at a second preset speed, wherein the second preset speed is greater than the first preset speed, for example, the second preset speed may be the maximum speed of the indoor fan, and the first preset speed may be the minimum speed of the indoor fan.

[0045] Specifically, when the first heating module is controlled to stop working and the second heating module is controlled to work, the indoor fan is first controlled to run at a low speed. On the one hand, the indoor fan can accelerate the diffusion of the refrigerant in the indoor unit to avoid excessive concentration in the refrigerant leakage area. On the other hand, running at a low speed can control the amount of refrigerant flowing through the first heating module and the second heating module to avoid safety risks caused by excessive refrigerant flow. At the same time, the indoor fan can blow away the waste heat of the first heating module to accelerate cooling. When the first preset condition is met, the speed of the indoor fan is adjusted to a high speed to accelerate the diffusion of the refrigerant in the indoor unit and reduce the refrigerant concentration in the leakage area.

[0046] The first preset condition is used to judge the heat dissipation of the first heating module. When the first preset condition is met, it is determined that the temperature of the first heating module has dropped to a safety standard, and even if a large concentration of refrigerant accumulates, there will be no risk of explosion. The judgment can be made by time or the actual temperature of the first heating module.

[0047] In one embodiment of the present application, the first preset condition includes that the operation time of the indoor fan is longer than the preset time and / or the temperature of the first heating module is lower than the first preset temperature.

[0048] That is to say, when the indoor fan runs at the first speed for a preset time, or the temperature of the first heating module is lower than the first preset temperature, or when the indoor fan runs at the first speed for a preset time and the temperature of the first heating module is lower than the first preset temperature, it is determined that the first preset condition is met, and the speed of the indoor fan is adjusted to a high speed to perform rapid refrigerant diffusion.

[0049] In one embodiment of the present invention, the heating control method of the air conditioner further comprises: when the second preset condition is met, controlling the indoor fan to operate in the first operation mode. That is, when the second preset condition is met, controlling the indoor fan to operate.

[0050] In one embodiment of the present invention, the second preset condition includes at least one of the refrigerant content of the indoor unit being greater than the preset content, the amount of refrigerant flowing through the first heating module being greater than the preset refrigerant amount, or the temperature of the first heating module being greater than the second preset temperature.

[0051] When the refrigerant content of the indoor unit exceeds the preset content, it is considered that the concentration of the refrigerant accumulated in the indoor unit is too high, which can be obtained by the refrigerant sensor set at the corresponding position. When the amount of refrigerant flowing through the first heating module exceeds the preset amount of refrigerant, it is considered that the amount of refrigerant flowing through the first heating module is too large, and it is also easy to produce a large risk of explosion in the presence of residual heat. Specifically, it can also be detected by a refrigerant sensor or a gas flow sensor set in the first heating module. When the temperature of the first heating module exceeds the second preset temperature, it is considered that the temperature of the first heating module is too high, and there is a large risk of explosion, which can be specifically obtained based on the temperature sensor. Therefore, when the refrigerant content of the indoor unit is greater than the preset content, the amount of refrigerant flowing through the first heating module is greater than the preset amount of refrigerant, or the temperature of the first heating module is greater than the second preset temperature, or when the refrigerant content of the indoor unit is greater than the preset content and the temperature of the first heating module is greater than the second preset temperature, when the amount of refrigerant flowing through the first heating module is greater than the preset amount of refrigerant and the temperature of the first heating module is greater than the second preset temperature, the indoor fan is started to run at a low wind speed.

[0052] In addition, when the indoor unit leaks, if both the first heating module and the second heating module are not working, that is, there is no high-temperature heating module, the first heating module and the second heating module are still controlled not to work, and the indoor fan is controlled to run at a third preset speed to accelerate the diffusion of the refrigerant in the indoor unit and reduce the refrigerant concentration in the leakage area. The third preset speed may be the maximum speed of the indoor fan.

[0053] When a refrigerant leakage is detected in the indoor unit, the control method controls the first heating module to always be in a stopped working state, and the second heating module can be controlled based on the working states of the two heating modules when the refrigerant leakage occurs, that is, when a refrigerant leakage occurs in the indoor unit, if the first heating module is working and the second heating module is not working, the first heating module is controlled to stop working, and the second heating module is controlled to start working; for example, when a refrigerant leakage occurs in the indoor unit, if both the first heating module and the second heating module are not working, the first heating module and the second heating module are controlled to continue to remain in a non-working state.

[0054] As a specific embodiment of the present application, when the air conditioner is operating normally, only the first heating module is controlled based on the heating demand, and the second heating module is controlled not to work. The second heating module only works when a refrigerant leak occurs. The first preset speed is the minimum speed of the indoor fan, the second preset speed and the third preset speed are the maximum speeds of the indoor fan, and the first preset condition is that the running time of the indoor fan is higher than the preset time. Figure 3 As shown, the heating control method of the air conditioner may include the following steps:

[0055] S301, controlling the air conditioner to start and run.

[0056] S302, based on the heating demand, controlling the first heating module to work or stop working, and controlling the second heating module to stop working.

[0057] S303, determine whether there is refrigerant leakage in the indoor unit. If yes, execute step S304; if no, execute step S302.

[0058] S304, determining the working status of the first heating module and the second heating module. If the first heating module is working and the second heating module is not working, execute step S305; if both the first heating module and the second heating module are not working, execute step S310.

[0059] S305, controlling the first heating module to stop working and controlling the second heating module to work.

[0060] S306, determine whether the second preset condition is met. If yes, execute step S307; if not, execute step S309.

[0061] S307, controlling the indoor fan to run at the minimum speed.

[0062] S308, determining whether the running time of the indoor fan is longer than a preset time. If yes, executing step S309; ​​if no, executing step S307.

[0063] S309, controlling the indoor fan to run at the maximum speed.

[0064] S310, control the first heating module and the second heating module to maintain the current state unchanged. Execute step S309.

[0065] In summary, according to the heating control method of the air conditioner of the embodiment of the present invention, the air conditioner includes an indoor unit, the indoor unit includes a first heating module and a second heating module, and the heating power of the first heating module is greater than the heating power of the second heating module. The heating control method of the air conditioner controls the first heating module to work; when a refrigerant leak occurs in the indoor unit, the first heating module is controlled to stop working and the second heating module is controlled to work. When a refrigerant leak occurs, the method controls the first heating module to stop working and controls the second heating module to work, so that the high-heat first heating module stops heating and dissipates heat, so that the temperature of the first heating module drops to a safe temperature, and at the same time, the second heating module with a smaller heating power starts working. While ensuring the user's comfort, the heat generated by the second heating module during operation can be prevented from exceeding the safe temperature, thereby reducing the risk of safety hazards such as combustion and explosion caused by the contact between the heating module of the air conditioner and the leaked refrigerant.

[0066] Corresponding to the above embodiment, the present invention also proposes a computer-readable storage medium.

[0067] The computer-readable storage medium of the embodiment of the present invention stores a heating control program for an air conditioner, and the heating control program for the air conditioner implements the above-mentioned heating control method for the air conditioner when executed by a processor.

[0068] According to the computer-readable storage medium of an embodiment of the present invention, when the heating control program of the air conditioner stored thereon is executed by the processor, the above-mentioned heating control method of the air conditioner is implemented. Based on the above-mentioned heating control method of the air conditioner, when refrigerant leakage occurs, the first heating module with high heat stops heating and dissipates heat, so that the temperature of the first heating module drops to a safe temperature, and at the same time, the second heating module with lower heating power starts working. While ensuring the user comfort, the heat generation of the second heating module during operation can be avoided from exceeding the safe temperature, thereby reducing the risk of safety hazards such as combustion and explosion caused by contact between the heating module of the air conditioner and the leaked refrigerant.

[0069] Corresponding to the above embodiment, the present invention also proposes an air conditioner.

[0070] like Figure 4 As shown, the air conditioner 100 of the embodiment of the present invention includes a memory 110, a processor 120, and a heating control program of the air conditioner stored in the memory 110 and executable on the processor 120. When the processor 120 executes the heating control program of the air conditioner, the above-mentioned heating control method of the air conditioner is implemented.

[0071] According to the air conditioner of the embodiment of the present invention, when the heating control program of the air conditioner is executed by the processor, the heating control method of the air conditioner is implemented. Based on the heating control method of the air conditioner, when refrigerant leakage occurs, the first heating module with high heat stops heating and dissipates heat, so that the temperature of the first heating module drops to a safe temperature, and at the same time, the second heating module with lower heating power starts working. While ensuring the user comfort, the heat generation of the second heating module during operation can be avoided from exceeding the safe temperature, thereby reducing the risk of safety hazards such as combustion and explosion caused by contact between the heating module of the air conditioner and the leaked refrigerant.

[0072] Corresponding to the above embodiment, the present invention also proposes an air conditioner.

[0073] like Figure 5 As shown, the air conditioner according to the embodiment of the present invention includes: an indoor unit 10 and a controller 20.

[0074] The indoor unit 10 includes a first heating module 11 and a second heating module 12, and the heating power of the first heating module 11 is greater than the heating power of the second heating module 12. The controller 20 is used to control the first heating module 11 to work, and when a refrigerant leak occurs in the indoor unit 10, control the first heating module 11 to stop working and control the second heating module 12 to work.

[0075] According to one embodiment of the present invention, Figure 6 As shown, the air conditioner further includes a refrigerant sensor 30, which is electrically connected to the controller 20 and is used to detect and provide feedback on whether the refrigerant is leaking.

[0076] According to one embodiment of the present invention, the indoor unit 10 further includes an indoor fan 14. When the controller 20 controls the first heating module 11 to stop working and controls the second heating module 12 to work, it is also used to: control the indoor fan 14 to work in the first operating mode.

[0077] According to one embodiment of the present invention, the controller 20 controls the indoor fan 14 to operate in a first operating mode, specifically for: controlling the indoor fan 14 to operate at a first preset speed; after meeting a first preset condition, controlling the indoor fan 14 to operate at a second preset speed, wherein the second preset speed is greater than the first preset speed.

[0078] According to an embodiment of the present invention, the first preset condition includes that the operation time of the indoor fan 14 is longer than the preset time and / or the temperature of the first heating module 11 is lower than the first preset temperature.

[0079] According to an embodiment of the present invention, the controller 20 is further configured to: control the indoor fan 14 to operate in the first operating mode when a second preset condition is met.

[0080] According to one embodiment of the present invention, the second preset condition includes at least one of the refrigerant content of the indoor unit 10 being greater than the preset content, the amount of refrigerant flowing through the first heating module 11 being greater than the preset refrigerant amount, or the temperature of the first heating module 11 being greater than the second preset temperature.

[0081] It should be noted that for details not disclosed in the air conditioner of the embodiment of the present invention, please refer to the details disclosed in the heating control method of the air conditioner of the above embodiment of the present invention, and the details will not be repeated here.

[0082] According to the air conditioner of the embodiment of the present invention, the indoor unit includes a first heating module and a second heating module, and the heating power of the first heating module is greater than the heating power of the second heating module. The controller is used to control the operation of the first heating module, and when a refrigerant leak occurs in the indoor unit, the first heating module is controlled to stop working and the second heating module is controlled to work. When a refrigerant leak occurs, the air conditioner controls the first heating module to stop working and controls the second heating module to work, so that the high-heat first heating module stops heating and dissipates heat, so that the temperature of the first heating module drops to a safe temperature, and at the same time, the second heating module with a smaller heating power starts working. While ensuring the user's comfort, the heat generated by the working second heating module can be prevented from exceeding the safe temperature, thereby reducing the risk of safety hazards such as combustion and explosion caused by the contact between the heating module of the air conditioner and the leaked refrigerant.

[0083] It should be noted that the logic and / or steps represented in the flowchart or otherwise described herein, for example, can be considered as a sequenced list of executable instructions for implementing logical functions, and can be specifically implemented in any computer-readable medium for use by an instruction execution system, device or apparatus (such as a computer-based system, a system including a processor, or other system that can fetch instructions from an instruction execution system, device or apparatus and execute instructions), or in combination with these instruction execution systems, devices or apparatuses. For the purposes of this specification, "computer-readable medium" can be any device that can contain, store, communicate, propagate or transmit a program for use by an instruction execution system, device or apparatus, or in combination with these instruction execution systems, devices or apparatuses. More specific examples of computer-readable media (a non-exhaustive list) include the following: an electrical connection portion with one or more wirings (electronic device), a portable computer disk box (magnetic device), a random access memory (RAM), a read-only memory (ROM), an erasable and programmable read-only memory (EPROM or flash memory), an optical fiber device, and a portable compact disk read-only memory (CDROM). In addition, the computer-readable medium may even be paper or other suitable medium on which the program is printed, since the program may be obtained electronically, for example, by optically scanning the paper or other medium and then editing, interpreting or processing in other suitable ways if necessary, and then stored in a computer memory.

[0084] It should be understood that the various parts of the present invention can be implemented by hardware, software, firmware or a combination thereof. In the above-mentioned embodiments, a plurality of steps or methods can be implemented by software or firmware stored in a memory and executed by a suitable instruction execution system. For example, if implemented by hardware, as in another embodiment, it can be implemented by any one of the following technologies known in the art or their combination: a discrete logic circuit having a logic gate circuit for implementing a logic function for a data signal, a dedicated integrated circuit having a suitable combination of logic gate circuits, a programmable gate array (PGA), a field programmable gate array (FPGA), etc.

[0085] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "examples", "specific examples", or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner.

[0086] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In the description of the present invention, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0087] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0088] Although the embodiments of the present invention have been shown and described above, it is to be understood that the above embodiments are exemplary and are not to be construed as limitations of the present invention. A person skilled in the art may change, modify, replace and vary the above embodiments within the scope of the present invention.

Claims

1. A heating control method for an air conditioner, characterized in that: The air conditioner includes an indoor unit, the indoor unit includes a first heating module and a second heating module, and the heating power of the first heating module is greater than the heating power of the second heating module, and the method includes: Controlling the first heating module to operate; When refrigerant leakage occurs in the indoor unit, the first heating module is controlled to stop working and the second heating module is controlled to work.

2. The method according to claim 1, characterized in that The indoor unit further includes an indoor fan. When the first heating module is controlled to stop working and the second heating module is controlled to work, the method further includes: The indoor fan is controlled to operate in a first operating mode.

3. The method according to claim 2, characterized in that The controlling the indoor fan to operate in a first operating mode includes: Controlling the indoor fan to operate at a first preset speed; After the first preset condition is met, the indoor fan is controlled to operate at a second preset speed, wherein the second preset speed is greater than the first preset speed.

4. The method according to claim 3, characterized in that The first preset condition includes that the operation time of the indoor fan is longer than a preset time and / or the temperature of the first heating module is lower than a first preset temperature.

5. The method according to claim 2, characterized in that: The method further comprises: When the second preset condition is met, the indoor fan is controlled to operate in the first operating mode.

6. The method according to claim 5, characterized in that The second preset condition includes at least one of the following: the refrigerant content of the indoor unit is greater than a preset content, the amount of refrigerant flowing through the first heating module is greater than a preset amount of refrigerant, or the temperature of the first heating module is greater than a second preset temperature.

7. A computer-readable storage medium, characterized in that: A heating control program of the air conditioner is stored thereon, and when the heating control program of the air conditioner is executed by the processor, a heating control method of the air conditioner according to any one of claims 1-6 is implemented.

8. An air conditioner, characterized in that: The invention comprises a memory, a processor and a heating control program of an air conditioner which is stored in the memory and can be run on the processor. When the processor executes the heating control program of the air conditioner, the heating control method of the air conditioner according to any one of claims 1 to 6 is implemented.

9. An air conditioner, characterized in that: include: An indoor unit, the indoor unit comprising a first heating module and a second heating module, and the heating power of the first heating module is greater than the heating power of the second heating module; The controller is used to control the operation of the first heating module, and when refrigerant leakage occurs in the indoor unit, control the first heating module to stop operating and control the second heating module to operate.

10. The air conditioner according to claim 9, characterized in that: The air conditioner further comprises a refrigerant sensor, which is electrically connected to the controller and is used for detecting and feeding back whether refrigerant leakage occurs.