Air conditioner shutdown control method, device, electronic equipment and air conditioner

Abstract

The present disclosure relates to a shutdown control method, device, electronic device and air conditioner for an air conditioner, wherein the method comprises: in response to receiving a shutdown command during the cooling process of the air conditioner, obtaining the outdoor ambient temperature, the outdoor coil temperature and the compressor current; determining the target frequency reduction rate according to the outdoor ambient temperature, the outdoor coil temperature and the compressor current; and controlling the operating frequency of the compressor according to the target frequency reduction rate. Thus, when the method receives a shutdown command during the cooling process of the air conditioner, a target frequency reduction rate is determined based on the outdoor ambient temperature, the outdoor coil temperature and the compressor current, and the operating frequency of the compressor is controlled according to the target frequency reduction rate, so that the external load can be prevented from changing too much, and the stress of the outdoor coil is too large due to the excessive change of the external load caused by direct shutdown, and even the risk of the outdoor coil being broken due to the excessive stress of the external coil.

Description

Technical Field

[0001] The present disclosure relates to the technical field of air conditioning control, and in particular to a shutdown control method and device for an air conditioner, an electronic device, and an air conditioner. Background Art

[0002] With the development of economy and the improvement of people's living standards, the application of air conditioners is becoming more and more extensive. The outdoor coil in the air conditioner is installed in the outdoor unit housing and used as an outdoor heat exchanger. During the cooling process of the air conditioner, an exhaust fan is usually used to dissipate heat from the outdoor coil. However, when the external load of the system is large, the heat dissipation effect of the exhaust fan is not ideal. If a shutdown command is received in this case, the compressor will shut down immediately. If the compressor shuts down at this time, the external load of the system changes too much, which may cause excessive stress on the outdoor coil, and even cause the outdoor coil to be in danger of breaking, causing the air conditioner to malfunction. Summary of the invention

[0003] The present disclosure provides a shutdown control method and device for an air conditioner, an electronic device and an air conditioner.

[0004] According to a first aspect of an embodiment of the present disclosure, a shutdown control method for an air conditioner is proposed, which is applied to a controller in the air conditioner. The method includes: in response to receiving a shutdown command during a cooling process of the air conditioner, obtaining the outdoor ambient temperature, the outdoor coil temperature and the compressor current; determining a target frequency reduction rate based on the outdoor ambient temperature, the outdoor coil temperature and the compressor current; and controlling the operating frequency of the compressor based on the target frequency reduction rate.

[0005] In one embodiment of the present disclosure, the target frequency reduction rate is determined based on the outdoor ambient temperature, the outdoor coil temperature and the compressor current, including: in response to the outdoor ambient temperature being greater than a first set temperature and the outdoor coil temperature being greater than a second set temperature, obtaining a first set frequency reduction rate corresponding to the current operating frequency of the compressor; in response to the compressor current being greater than the set current, using the difference between the first set frequency reduction rate and the first set correction rate as the target frequency reduction rate.

[0006] In one embodiment of the present disclosure, the target frequency reduction rate is determined based on the outdoor ambient temperature, the outdoor coil temperature and the compressor current, including: in response to the outdoor ambient temperature being greater than a first set temperature and the outdoor coil temperature being greater than a second set temperature, obtaining a first set frequency reduction rate corresponding to the current operating frequency of the compressor; in response to the compressor current being not greater than the set current, using the first set frequency reduction rate as the target frequency reduction rate.

[0007] In one embodiment of the present disclosure, the target frequency reduction rate is determined based on the outdoor ambient temperature, the outdoor coil temperature and the compressor current, including: in response to the outdoor ambient temperature being not greater than a first set temperature, or the outdoor coil temperature being not greater than a second set temperature, obtaining a second set frequency reduction rate corresponding to the current operating frequency of the compressor; in response to the compressor current being greater than the set current, using the difference between the second set frequency reduction rate and the second set correction rate as the target frequency reduction rate.

[0008] In one embodiment of the present disclosure, the target frequency reduction rate is determined based on the outdoor ambient temperature, the outdoor coil temperature and the compressor current, including: in response to the outdoor ambient temperature being not greater than a first set temperature, or the outdoor coil temperature being not greater than a second set temperature, obtaining a second set frequency reduction rate corresponding to the current operating frequency of the compressor; in response to the compressor current being not greater than the set current, using the second set frequency reduction rate as the target frequency reduction rate.

[0009] In one embodiment of the present disclosure, the operating frequency of the compressor is controlled according to the target frequency reduction rate, including: according to the target frequency reduction rate, the operating frequency of the compressor is reduced until the operating frequency of the compressor reaches a set frequency, and then the compressor is controlled to stop.

[0010] According to the second aspect of an embodiment of the present disclosure, a shutdown control device for an air conditioner is proposed, which is applied to a controller in the air conditioner, and the device includes: an acquisition module, which is used to acquire the outdoor ambient temperature, the outdoor coil temperature and the compressor current in response to receiving a shutdown command during the cooling process of the air conditioner; a determination module, which is used to determine a target frequency reduction rate based on the outdoor ambient temperature, the outdoor coil temperature and the compressor current; and a control module, which is used to control the operating frequency of the compressor according to the target frequency reduction rate.

[0011] According to a third aspect of an embodiment of the present disclosure, an electronic device is proposed, comprising: a processor; and a memory for storing instructions executable by the processor; wherein the processor is configured to execute the instructions to implement the shutdown control method of the air conditioner as described above.

[0012] According to a fourth aspect of an embodiment of the present disclosure, an air conditioner is provided, which includes the above-mentioned electronic device.

[0013] According to a fifth aspect of an embodiment of the present disclosure, a non-temporary computer-readable storage medium is proposed. When instructions in the storage medium are executed by a processor, the processor is enabled to execute the above-mentioned air conditioner shutdown control method.

[0014] The technical solution provided by the embodiments of the present disclosure brings at least the following beneficial effects:

[0015] If the controller in the air conditioner receives a shutdown command during the cooling process of the air conditioner, the controller obtains the outdoor ambient temperature, the outdoor coil temperature and the compressor current, and determines the target frequency reduction rate based on the outdoor ambient temperature, the outdoor coil temperature and the compressor current, and then controls the operating frequency of the compressor according to the target frequency reduction rate. Therefore, when the method receives a shutdown command during the cooling process of the air conditioner, it determines a target frequency reduction rate based on the outdoor ambient temperature, the outdoor coil temperature and the compressor current, and controls the operating frequency of the compressor according to the target frequency reduction rate, which can prevent the external load from changing too much, avoid the excessive stress of the outdoor coil caused by the excessive change of the external load due to direct shutdown, and even the risk of the outdoor coil breaking due to the excessive stress of the external coil.

[0016] It is to be understood that the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the present disclosure. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The drawings herein are incorporated into and constitute a part of the specification, illustrate embodiments consistent with the present disclosure, and together with the description are used to explain the principles of the present disclosure, and do not constitute improper limitations on the present disclosure.

[0018] Figure 1 is a flow chart of a shutdown control method of an air conditioner according to an embodiment of the present disclosure;

[0019] Figure 2 is a flow chart of a shutdown control method of an air conditioner according to another embodiment of the present disclosure;

[0020] Figure 3 is a block diagram of a shutdown control device for an air conditioner according to an embodiment of the present disclosure;

[0021] Figure 4 It is a structural block diagram of an electronic device according to an exemplary embodiment of the present disclosure. DETAILED DESCRIPTION

[0022] In order to enable ordinary persons in the art to better understand the technical solutions of the present disclosure, the technical solutions in the embodiments of the present disclosure will be clearly and completely described below in conjunction with the accompanying drawings.

[0023] It should be noted that the terms "first", "second", etc. in the specification and claims of the present disclosure and the above-mentioned drawings are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequence. It should be understood that the data used in this way can be interchanged where appropriate, so that the embodiments of the present disclosure described herein can be implemented in an order other than those illustrated or described herein. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present disclosure. Instead, they are merely examples of devices and methods consistent with some aspects of the present disclosure as detailed in the appended claims.

[0024] The following describes a shutdown control method for an air conditioner, a shutdown control device for an air conditioner, an electronic device, an air conditioner, and a non-transitory computer-readable storage medium according to embodiments of the present disclosure with reference to the accompanying drawings.

[0025] Figure 1 The figure is a flow chart of a shutdown control method of an air conditioner according to an embodiment of the present disclosure.

[0026] It should be noted that the air conditioner shutdown control method of the embodiment of the present disclosure is executed by a controller in the air conditioner, or by software in the controller in the air conditioner. The following description is made by taking the controller in the air conditioner as an example.

[0027] like Figure 1 As shown, the shutdown control method of the air conditioner according to the embodiment of the present disclosure comprises the following steps:

[0028] Step 101, in response to receiving a shutdown command during the cooling process of the air conditioner, obtaining the outdoor ambient temperature, the outdoor coil temperature and the compressor current.

[0029] For example, the outdoor ambient temperature can be collected by a temperature sensor installed on the outdoor unit of the air conditioner; the outdoor coil temperature can be collected by a temperature sensor installed on the outdoor coil; the compressor current is the compressor phase current, which can be any phase current of the compressor, and can be collected by a current sensor installed on the compressor phase line.

[0030] Step 102: Determine a target frequency reduction rate according to the outdoor ambient temperature, the outdoor coil temperature and the compressor current.

[0031] In this embodiment, after obtaining the outdoor ambient temperature, the outdoor coil temperature and the compressor current, a target frequency reduction rate is determined according to the outdoor ambient temperature, the outdoor coil temperature and the compressor current. For example, the current external load state of the system is first determined by the outdoor ambient temperature and the outdoor coil temperature, and then the target frequency reduction rate corresponding to the current external load state of the system is determined in combination with the compressor current. Step S102 of this strategy may include the following four scenarios:

[0032] Scene 1:

[0033] When the outdoor ambient temperature is greater than the first set temperature and the outdoor coil temperature is greater than the second set temperature, the first set frequency reduction rate corresponding to the current operating frequency of the compressor is obtained, and when the compressor current is greater than the set current, the difference between the first set frequency reduction rate and the first set correction rate is used as the target frequency reduction rate.

[0034] It should be noted that the relationship between each operating frequency of the compressor and its corresponding set frequency reduction rate can be obtained in advance (the relationship can be a functional relationship or a relationship table, which is not specifically limited) and stored, such as in an electronic device or in the cloud.

[0035] In this embodiment, the first set temperature, the second set temperature, the set current and the first set correction rate can be set according to actual needs. For example, the first set temperature can be 43°C, the second set temperature can be 57°C, the set current can be 3A, and the first set correction rate can be 0.4Hz / s. The first set frequency reduction rate can be obtained by finding the relationship between the pre-acquired compressor operating frequencies and the corresponding set frequency reduction rates after the current operating frequency of the compressor is obtained.

[0036] For example, when the outdoor ambient temperature is greater than 43°C and the outdoor coil temperature is greater than 57°C, it indicates that the current external load of the system is relatively high. Assuming that the current operating frequency of the compressor is 80Hz, the first set frequency reduction rate of 2Hz / s is obtained by looking up the relationship between the pre-acquired compressor operating frequencies and the corresponding set frequency reduction rates. After that, the magnitude relationship between the compressor current and the set current is determined. If the compressor current is greater than 3A, the target frequency reduction rate = the first set frequency reduction rate - the first set correction rate = 2Hz / s - 0.4Hz / s = 1.6Hz / s.

[0037] Second scene:

[0038] When the outdoor ambient temperature is greater than the first set temperature and the outdoor coil temperature is greater than the second set temperature, the first set frequency reduction rate corresponding to the current operating frequency of the compressor is obtained, and when the compressor current is not greater than the set current, the first set frequency reduction rate is used as the target frequency reduction rate.

[0039] For example, when the outdoor ambient temperature is greater than 43°C and the outdoor coil temperature is greater than 57°C, it indicates that the current external load of the system is relatively high. Assuming that the current operating frequency of the compressor is 80Hz, the first set frequency reduction rate of 2Hz / s is obtained by looking up the relationship between the pre-acquired compressor operating frequencies and the corresponding set frequency reduction rates. After that, the magnitude relationship between the compressor current and the set current is determined. If the compressor current is less than or equal to 3A, the target frequency reduction rate = the first set frequency reduction rate = 2Hz / s, that is, the target frequency reduction rate remains unchanged.

[0040] Scene 3:

[0041] When the outdoor ambient temperature is not greater than the first set temperature, or the outdoor coil temperature is not greater than the second set temperature, the second set frequency reduction rate corresponding to the current operating frequency of the compressor is obtained, and when the compressor current is greater than the set current, the difference between the second set frequency reduction rate and the second set correction rate is used as the target frequency reduction rate.

[0042] Among them, the second set correction rate can be set according to actual needs, such as 0.2Hz / s; the second set frequency reduction rate can be obtained by looking up the relationship between the pre-acquired compressor operating frequencies and their corresponding set frequency reduction rates after obtaining the current operating frequency of the compressor.

[0043] For example, when the outdoor ambient temperature is less than or equal to 43°C, or the outdoor coil temperature is less than or equal to 57°C, it indicates that the current external load of the system is low. Assuming that the current operating frequency of the compressor is 60Hz, the second set frequency reduction rate of 1Hz / s is obtained by looking up the relationship between the pre-acquired compressor operating frequencies and the corresponding set frequency reduction rates. After that, the relationship between the compressor current and the set current is determined. If the compressor current is greater than 3A, the target frequency reduction rate = the second set frequency reduction rate - the second set correction rate = 1Hz / s - 0.2Hz / s = 0.8Hz / s.

[0044] Scene 4:

[0045] When the outdoor ambient temperature is not greater than the first set temperature, or the outdoor coil temperature is not greater than the second set temperature, the second set frequency reduction rate corresponding to the current operating frequency of the compressor is obtained, and when the compressor current is not greater than the set current, the second set frequency reduction rate is used as the target frequency reduction rate.

[0046] For example, when the outdoor ambient temperature is less than or equal to 43°C, or the outdoor coil temperature is less than or equal to 57°C, it indicates that the current external load of the system is low. Assuming that the current operating frequency of the compressor is 60Hz, the second set frequency reduction rate of 1Hz / s is obtained by finding the relationship between the pre-acquired compressor operating frequencies and the corresponding set frequency reduction rates. After that, the relationship between the compressor current and the set current is determined. If the compressor current is greater than 3A, the target frequency reduction rate = the second set frequency reduction rate = 1Hz / s, that is, the target frequency reduction rate remains unchanged.

[0047] Step 103: Control the operating frequency of the compressor according to the target frequency reduction rate.

[0048] In this step, after the target frequency reduction rate is obtained, the operating frequency of the compressor is reduced according to the target frequency reduction rate until the operating frequency of the compressor reaches the set frequency, and then the compressor is controlled to stop.

[0049] The set frequency can be set according to actual needs, for example, it can be 40 Hz.

[0050] The following four scenarios are described below:

[0051] In the first scenario, the target frequency reduction rate obtained by step S102 is 1.6 Hz / s, which means that the operating frequency of the compressor is reduced by 1.6 Hz every 1 second. For example, the operating frequency after the first adjustment is 80 Hz-1.6 Hz=78.4 Hz, and the operating frequency after the second adjustment is 78.4 Hz-1.6 Hz=76.8 Hz, and so on, until the operating frequency of the compressor is reduced to 40 Hz, and then the compressor is controlled to stop.

[0052] In the second scenario, the target frequency reduction rate obtained by step S102 is 2 Hz / s, which means that the operating frequency of the compressor is reduced by 2 Hz every 1 second. For example, the operating frequency after the first adjustment is 80 Hz-2 Hz=78 Hz, and the operating frequency after the second adjustment is 78 Hz-2 Hz=76 Hz, and so on, until the operating frequency of the compressor is reduced to 40 Hz, and then the compressor is controlled to stop.

[0053] In the third scenario, the target frequency reduction rate obtained by step S102 is 0.8 Hz / s, which means that the operating frequency of the compressor is reduced by 0.8 Hz every 1 second. For example, the operating frequency after the first adjustment is 60 Hz-0.8 Hz=59.2 Hz, and the operating frequency after the second adjustment is 59.2 Hz-0.8 Hz=58.4 Hz, and so on, until the operating frequency of the compressor is reduced to 40 Hz, and then the compressor is controlled to stop.

[0054] In the fourth scenario, the target frequency reduction rate obtained by step S102 is 1 Hz / s, which means that the operating frequency of the compressor is reduced by 1 Hz every 1 second. For example, the operating frequency after the first adjustment is 60 Hz-1 Hz=59 Hz, and the operating frequency after the second adjustment is 59 Hz-1 Hz=58 Hz, and so on, until the operating frequency of the compressor is reduced to 40 Hz, and then the compressor is controlled to stop.

[0055] The shutdown control method of the air conditioner of the disclosed embodiment is that the controller in the air conditioner first determines the current external load state of the system through the outdoor ambient temperature and the outdoor coil temperature, and then determines the target frequency reduction rate corresponding to the current external load state of the system in combination with the compressor current, and adjusts the operating frequency of the compressor according to the target frequency reduction rate until the operating frequency of the compressor reaches the set frequency, and then controls the compressor to shut down, which can prevent the external load from changing too much, avoids the risk of excessive stress on the outdoor coil caused by excessive external load changes due to direct shutdown, and even the risk of outdoor coil breaking caused by excessive stress on the outdoor coil. This does not require additional costs, has strong versatility, and is applicable to the control of frequency reduction and shutdown of all air conditioners during the refrigeration process.

[0056] In order to make those skilled in the art more clearly understand the shutdown control method of the air conditioner disclosed in the present invention, the following is a description of the shutdown control method of the air conditioner disclosed in the present invention. Figure 2 To explain, Figure 2 As shown, the shutdown control method of the air conditioner according to the embodiment of the present disclosure includes:

[0057] Step 201, sampling the outdoor ambient temperature and the outdoor coil temperature.

[0058] Step 202: If a shutdown command is received from the remote controller, a frequency reduction shutdown is performed.

[0059] Step 203, determine whether the outdoor environment temperature> the first set temperature and the outdoor coil temperature> the second set temperature are established. If yes, execute step 204; if not, execute step 207.

[0060] Step 204, determine whether the compressor current>set current is established. If yes, execute step 205; if no, execute step 206.

[0061] Step 205: target frequency reduction rate = first set frequency reduction rate - first set correction rate.

[0062] Step 206: target frequency reduction rate = first set frequency reduction rate.

[0063] Step 207, determine whether the compressor current>set current is established. If yes, execute step 208; if no, execute step 209.

[0064] Step 208, target frequency reduction rate = second set frequency reduction rate - second set correction rate.

[0065] Step 209: target frequency reduction rate = second set frequency reduction rate.

[0066] Step 210, reducing the operating frequency of the compressor according to the target frequency reduction rate until the operating frequency of the compressor reaches the set frequency, and then controlling the compressor to stop.

[0067] In summary, in the shutdown control method of the air conditioner of the embodiment of the present disclosure, if the controller in the air conditioner receives a shutdown command during the cooling process of the air conditioner, the controller obtains the outdoor ambient temperature, the outdoor coil temperature and the compressor current, and determines the target frequency reduction rate based on the outdoor ambient temperature, the outdoor coil temperature and the compressor current, and then controls the operating frequency of the compressor according to the target frequency reduction rate. Therefore, when the method receives a shutdown command during the cooling process of the air conditioner, it determines a target frequency reduction rate based on the outdoor ambient temperature, the outdoor coil temperature and the compressor current, and controls the operating frequency of the compressor according to the target frequency reduction rate, which can prevent the external load from changing too much, avoid the excessive stress on the outdoor coil caused by the excessive change of the external load due to direct shutdown, and even avoid the risk of the outdoor coil breaking due to the excessive stress on the external coil.

[0068] Figure 3 4 is a block diagram of a shutdown control device for an air conditioner according to an embodiment of the present disclosure.

[0069] like Figure 3 As shown, the shutdown control device 300 of the air conditioner according to the embodiment of the present disclosure can be applied to a controller in the air conditioner. The device 300 may include: an acquisition module 301 , a determination module 302 and a control module 303 .

[0070] Among them, the acquisition module 301 is used to obtain the outdoor ambient temperature, the outdoor coil temperature and the compressor current in response to receiving a stop command during the cooling process of the air conditioner; the determination module 302 is used to determine the target frequency reduction rate according to the outdoor ambient temperature, the outdoor coil temperature and the compressor current; the control module 303 is used to control the operating frequency of the compressor according to the target frequency reduction rate.

[0071] In one embodiment of the present disclosure, the determination module 302 is specifically used to obtain a first set frequency reduction rate corresponding to the current operating frequency of the compressor when the outdoor ambient temperature is greater than a first set temperature and the outdoor coil temperature is greater than a second set temperature; in response to the compressor current being greater than the set current, the difference between the first set frequency reduction rate and the first set correction rate is used as the target frequency reduction rate.

[0072] In one embodiment of the present disclosure, the determination module 302 is specifically used to obtain a first set frequency reduction rate corresponding to the current operating frequency of the compressor when the outdoor ambient temperature is greater than the first set temperature and the outdoor coil temperature is greater than the second set temperature; in response to the compressor current being not greater than the set current, the first set frequency reduction rate is used as the target frequency reduction rate.

[0073] In one embodiment of the present disclosure, the determination module 302 is specifically used to obtain a second set frequency reduction rate corresponding to the current operating frequency of the compressor when the outdoor ambient temperature is not greater than the first set temperature, or the outdoor coil temperature is not greater than the second set temperature; in response to the compressor current being greater than the set current, the difference between the second set frequency reduction rate and the second set correction rate is used as the target frequency reduction rate.

[0074] In one embodiment of the present disclosure, the determination module 302 is specifically used to obtain a second set frequency reduction rate corresponding to the current operating frequency of the compressor when the outdoor ambient temperature is not greater than the first set temperature, or the outdoor coil temperature is not greater than the second set temperature; in response to the compressor current being not greater than the set current, the second set frequency reduction rate is used as the target frequency reduction rate.

[0075] In one embodiment of the present disclosure, the control module 303 is specifically used to reduce the operating frequency of the compressor according to the target frequency reduction rate until the operating frequency of the compressor reaches a set frequency, and then control the compressor to stop.

[0076] It should be noted that for details not disclosed in the shutdown control device of the air conditioner in the embodiment of the present disclosure, please refer to the details disclosed in the shutdown control method of the air conditioner in the embodiment of the present disclosure, and the details will not be repeated here.

[0077] According to the shutdown control device of the air conditioner of the embodiment of the present disclosure, when the controller in the air conditioner receives a shutdown command during the cooling process of the air conditioner, the controller obtains the outdoor ambient temperature, the outdoor coil temperature and the compressor current through the acquisition module, and determines the target frequency reduction rate according to the outdoor ambient temperature, the outdoor coil temperature and the compressor current through the determination module, and controls the operating frequency of the compressor according to the target frequency reduction rate through the control module. Therefore, when the device receives a shutdown command during the cooling process of the air conditioner, it determines a target frequency reduction rate based on the outdoor ambient temperature, the outdoor coil temperature and the compressor current, and controls the operating frequency of the compressor according to the target frequency reduction rate, which can prevent the external load from changing too much, avoid the excessive stress of the outdoor coil caused by the excessive change of the external load due to direct shutdown, and even avoid the risk of the outdoor coil breaking due to the excessive stress of the external coil.

[0078] In order to implement the above embodiment, the present disclosure also proposes an electronic device, including: a processor; a memory for storing instructions executable by the processor; wherein the processor is configured to execute the instructions to implement the above air conditioner shutdown control method.

[0079] In order to implement the above embodiments, the present disclosure also proposes an air conditioner, comprising the above electronic device.

[0080] In order to implement the above embodiments, the present disclosure also proposes a non-transitory computer-readable storage medium.

[0081] When the instructions in the storage medium are executed by a processor of an electronic device, the electronic device is enabled to execute the above method.

[0082] In order to implement the above embodiments, the present disclosure also provides a computer program product.

[0083] When the computer program product is executed by a processor of an electronic device, the electronic device is enabled to execute the above method.

[0084] like Figure 4 As shown, the electronic device 1000 includes a processor 111, which can perform various appropriate actions and processes according to a program stored in a read-only memory (ROM) 112 or a program loaded from a memory 116 to a random access memory (RAM) 113. In the RAM 113, various programs and data required for the operation of the electronic device 1000 are also stored. The processor 111, the ROM 112, and the RAM 113 are connected to each other via a bus 114. An input / output (I / O) interface 115 is also connected to the bus 114.

[0085] The following components are connected to the I / O interface 115: a memory 116 including a hard disk, etc.; and a communication part 117 including a network interface card such as a local area network (LAN) card, a modem, etc., and the communication part 117 performs communication processing via a network such as the Internet; a drive 118 is also connected to the I / O interface 115 as needed.

[0086] In particular, according to an embodiment of the present disclosure, the process described above with reference to the flowchart can be implemented as a computer software program. For example, an embodiment of the present disclosure includes a computer program carried on a computer-readable medium, and the computer program includes a program code for executing the method shown in the flowchart. In such an embodiment, the computer program can be downloaded and installed from the network through the communication part 117. When the computer program is executed by the processor 111, the above-mentioned functions defined in the method of the present disclosure are executed.

[0087] In an exemplary embodiment, a storage medium including instructions is also provided, such as a memory including instructions, and the instructions can be executed by the processor 111 of the electronic device 1000 to complete the above method. Optionally, the storage medium can be a non-transitory computer-readable storage medium, for example, the non-transitory computer-readable storage medium can be a ROM, a random access memory (RAM), a CD-ROM, a magnetic tape, a floppy disk, an optical data storage device, etc.

[0088] In the present disclosure, a computer-readable storage medium may be any tangible medium containing or storing a program that may be used by or in combination with an instruction execution system, apparatus, or device. In the present disclosure, a computer-readable signal medium may include a data signal propagated in a baseband or as part of a carrier wave, which carries a computer-readable program code. Such propagated data signals may take a variety of forms, including but not limited to electromagnetic signals, optical signals, or any suitable combination of the above. A computer-readable signal medium may also be any computer-readable medium other than a computer-readable storage medium, which may send, propagate, or transmit a program for use by or in combination with an instruction execution system, apparatus, or device. The program code contained on the computer-readable medium may be transmitted using any suitable medium, including but not limited to: wireless, wire, optical cable, RF, etc., or any suitable combination of the above.

[0089] Those skilled in the art will readily appreciate other embodiments of the present disclosure after considering the specification and practicing the invention disclosed herein. This application is intended to cover any variations, uses, or adaptations of the present disclosure that follow the general principles of the present disclosure and include common knowledge or customary techniques in the art that are not disclosed in the present disclosure. The specification and examples are intended to be exemplary only, and the true scope and spirit of the present disclosure are indicated by the following claims.

[0090] It should be understood that the present disclosure is not limited to the exact structures that have been described above and shown in the drawings, and that various modifications and changes may be made without departing from the scope thereof. The scope of the present disclosure is limited only by the appended claims.

Claims

1. A shutdown control method for an air conditioner, characterized in that: A controller applied to an air conditioner, the method comprising: In response to receiving a stop command during the cooling process of the air conditioner, obtaining an outdoor ambient temperature, an outdoor coil temperature, and a compressor current; Determining a target frequency reduction rate according to the outdoor ambient temperature, the outdoor coil temperature, and the compressor current; Controlling the operating frequency of the compressor according to the target frequency reduction rate; The step of determining a target frequency reduction rate according to the outdoor ambient temperature, the outdoor coil temperature, and the compressor current includes: In response to the outdoor ambient temperature being greater than a first set temperature and the outdoor coil temperature being greater than a second set temperature, obtaining a first set frequency reduction rate corresponding to the current operating frequency of the compressor; In response to the compressor current being not greater than a set current, the first set frequency reduction rate is used as the target frequency reduction rate.

2. The method according to claim 1, characterized in that The step of determining a target frequency reduction rate according to the outdoor ambient temperature, the outdoor coil temperature, and the compressor current includes: In response to the outdoor ambient temperature being greater than a first set temperature and the outdoor coil temperature being greater than a second set temperature, obtaining a first set frequency reduction rate corresponding to the current operating frequency of the compressor; In response to the compressor current being greater than a set current, a difference between the first set frequency reduction rate and a first set correction rate is used as the target frequency reduction rate.

3. The method according to claim 1, characterized in that The step of determining a target frequency reduction rate according to the outdoor ambient temperature, the outdoor coil temperature, and the compressor current includes: In response to the outdoor ambient temperature being not greater than a first set temperature, or the outdoor coil temperature being not greater than a second set temperature, obtaining a second set frequency reduction rate corresponding to the current operating frequency of the compressor; In response to the compressor current being greater than a set current, a difference between the second set frequency reduction rate and a second set correction rate is used as the target frequency reduction rate.

4. The method according to claim 1, characterized in that The step of determining a target frequency reduction rate according to the outdoor ambient temperature, the outdoor coil temperature, and the compressor current includes: In response to the outdoor ambient temperature being not greater than a first set temperature, or the outdoor coil temperature being not greater than a second set temperature, obtaining a second set frequency reduction rate corresponding to the current operating frequency of the compressor; In response to the compressor current being not greater than the set current, the second set frequency reduction rate is used as the target frequency reduction rate.

5. The method according to claim 1, characterized in that The controlling the operating frequency of the compressor according to the target frequency reduction rate includes: According to the target frequency reduction rate, the operating frequency of the compressor is reduced until the operating frequency of the compressor reaches a set frequency, and the air conditioner is controlled to stop.

6. A shutdown control device for an air conditioner, characterized in that: The air conditioner shutdown control method according to any one of claims 1 to 5 is applied to a controller in the air conditioner, and the device comprises: an acquisition module, for acquiring an outdoor ambient temperature, an outdoor coil temperature and a compressor current in response to receiving a stop command during a cooling process of the air conditioner; A determination module, configured to determine a target frequency reduction rate according to the outdoor ambient temperature, the outdoor coil temperature and the compressor current; A control module, configured to control the operating frequency of the compressor according to the target frequency reduction rate; The determination module is specifically used for: In response to the outdoor ambient temperature being greater than a first set temperature and the outdoor coil temperature being greater than a second set temperature, obtaining a first set frequency reduction rate corresponding to the current operating frequency of the compressor; In response to the compressor current being not greater than a set current, the first set frequency reduction rate is used as the target frequency reduction rate.

7. An electronic device, characterized in that: include: processor; a memory for storing instructions executable by the processor; The processor is configured to execute the instruction to implement the air conditioner shutdown control method according to any one of claims 1 to 5.

8. An air conditioner, characterized in that: include: The electronic device as claimed in claim 7. 9 . A non-transitory computer-readable storage medium, when instructions in the storage medium are executed by a processor, the processor is enabled to execute the air conditioner shutdown control method according to any one of claims 1 to 5.

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