Control method, circuit, device, apparatus, and storage medium of device

Abstract

Embodiments of the present application relate to a control method, circuit, device, apparatus and storage medium of an equipment, the method comprising: receiving a compressor control signal sent by a temperature controller of the equipment and receiving a fan state signal sent by an indoor unit of the equipment; generating a first switch signal according to the compressor control signal; generating a second switch signal according to the fan state signal; and controlling a compressor in the outdoor unit according to the first switch signal and the second switch signal. Thus, a set of output signals can be added to the indoor unit and sent to the outdoor unit, the signals being indoor fan state signals, indicating the on or off state of the fan. The compressor of the outdoor unit is no longer controlled by the compressor control signal sent by the temperature controller alone, but also needs to be controlled in combination with the state signal of the fan of the indoor unit, so as to avoid the phenomenon that the compressor of the outdoor unit is still running when the fan of the indoor unit is abnormally faulty.

Description

TECHNICAL FIELD

[0001] Embodiments of the present application relate to the technical field of air conditioning, and in particular to a device control method, circuit, apparatus, device and storage medium. BACKGROUND

[0002] A non-communication air conditioning unit is popular in the air conditioning market due to its advantages of convenient installation, independent modules and flexible matching. The modules of the non-communication air conditioning unit are controlled independently, and the non-communication air conditioning unit is also called a non-communication wall-mounted air conditioner, which generally consists of three parts: a temperature controller, an indoor unit and an outdoor unit. The three parts are only connected and controlled by 24VAC switching signals, that is, the temperature controller of the non-communication air conditioning unit sends switching instructions to the indoor unit and the outdoor unit unidirectionally, and then the indoor unit and the outdoor unit turn on or turn off according to their own preset logic after receiving the switching instructions.

[0003] Since there is no communication between the indoor unit and the outdoor unit, the outdoor unit and the indoor unit do not know the running state of each other. If the indoor unit fan stops running due to failure when the unit is running, the outdoor unit compressor will not be turned off due to the independent control of the temperature controller switching signal, and the outdoor unit compressor will be overloaded. SUMMARY

[0004] In view of this, to solve the technical problem that the outdoor unit compressor is still running when the indoor unit fan abnormally stops running, embodiments of the present application provide a device control method, circuit, apparatus, device and storage medium.

[0005] In a first aspect, embodiments of the present application provide a device control method applied to an outdoor unit of the device, comprising:

[0006] receiving a compressor control signal sent by a temperature controller of the device and receiving a fan state signal sent by an indoor unit of the device;

[0007] generating a first switching signal according to the compressor control signal;

[0008] generating a second switching signal according to the fan state signal;

[0009] controlling a compressor in the outdoor unit according to the first switching signal and the second switching signal.

[0010] In one possible implementation, the generating of the first switching signal according to the compressor control signal comprises:

[0011] when it is detected that the compressor control signal is high, controlling a first optocoupler in the outdoor unit to be turned on;

[0012] generating a first switch signal corresponding to the compressor through the first optocoupler, the first switch signal being high;

[0013] or, when detecting that the compressor control signal is low, controlling the first optocoupler in the outdoor unit to be off;

[0014] generating a first switch signal corresponding to the compressor through the first optocoupler, the first switch signal being low;

[0015] The second switch signal is generated according to the fan state signal, comprising:

[0016] When detecting that the fan state signal is high, controlling the second optocoupler in the outdoor unit to be on;

[0017] generating a second switch signal corresponding to the compressor through the second optocoupler, the second switch signal being high;

[0018] or, when detecting that the fan state signal is low, controlling the second optocoupler in the outdoor unit to be off;

[0019] generating a second switch signal corresponding to the compressor through the second optocoupler, the second switch signal being low.

[0020] In one possible implementation, the compressor in the outdoor unit is controlled according to the first switch signal and the second switch signal, comprising:

[0021] When the first switch signal is high, controlling the compressor to be on;

[0022] When a first duration during which the second switch signal remains low is greater than a first threshold value, controlling the compressor to be off;

[0023] When a second duration during which the compressor is off is equal to a second threshold value, controlling the compressor to be on, and performing the step of judging whether the first duration is greater than the first threshold value;

[0024] When detecting that the number of times that the first duration is greater than the first threshold value reaches a third threshold value, controlling the outdoor unit to stop working, or an alarm event occurs;

[0025] or, when detecting that the number of times that the first duration is greater than the first threshold value is less than the third threshold value, and the first switch signal and the second switch signal are both high, controlling the compressor to normally operate, and resetting the number of times.

[0026] In one possible implementation, the compressor in the outdoor unit is controlled according to the first switch signal and the second switch signal, comprising:

[0027] when the first switch signal is low, the second switch signal is high, and the compressor is in an open state, obtaining a third time length during which the compressor is open;

[0028] when the third time length is greater than a fourth threshold, controlling the compressor to close;

[0029] or, when the first switch signal and the second switch signal are both low, controlling the compressor to close.

[0030] In a second aspect, an embodiment of the present application provides a control method of a device, applied to an inner machine of the device, comprising:

[0031] when a high-level fan control signal output by a temperature controller of the device is received, controlling a fan of the inner machine to open according to the fan control signal, and generating a high-level fan state signal;

[0032] sending the fan state signal to an outer machine of the device, so as to control a second optocoupler in the outer machine to generate a second switch signal corresponding to a compressor of the outer machine according to the fan state signal, and control the compressor according to the second switch signal.

[0033] In one possible implementation, the method further comprises:

[0034] when it is detected that the fan does not operate normally within a fourth time length, controlling the fan to close;

[0035] generating a low-level fan state signal, and sending the fan state signal to the outer machine of the device;

[0036] after a fifth time length, controlling the fan to open, and executing the step of detecting whether the fan operates normally within the fourth time length;

[0037] when a number of times that the fan is detected to not operate normally within the fourth time length is greater than a fifth threshold, controlling the inner machine to stop working.

[0038] In a third aspect, an embodiment of the present application provides a control circuit of a device, comprising:

[0039] a temperature controller, an inner machine, and an outer machine;

[0040] the temperature controller comprises a first relay;

[0041] the outer machine comprises a first optocoupler and a second optocoupler;

[0042] the inner machine comprises a second relay;

[0043] The output end of the first relay is connected with the input end of the first optocoupler, and the output end of the second relay is connected with the input end of the second optocoupler.

[0044] In a fourth aspect, an embodiment of the present application provides a device control apparatus, comprising:

[0045] a receiving module configured to receive a compressor control signal sent by a temperature controller of the device and receive a fan state signal sent by an indoor unit of the device;

[0046] a generating module configured to generate a first switch signal according to the compressor control signal;

[0047] The generating module is further configured to generate a second switch signal according to the fan state signal.

[0048] a control module configured to control a compressor in an outdoor unit according to the first switch signal and the second switch signal.

[0049] In a fifth aspect, an embodiment of the present application provides a device, comprising a processor and a memory, wherein the processor is configured to execute a device control program stored in the memory, so as to implement the device control method in any one of the first aspect or the second aspect.

[0050] In a sixth aspect, an embodiment of the present application provides a storage medium, wherein the storage medium stores one or more programs, and the one or more programs are executable by one or more processors, so as to implement the device control method in any one of the first aspect or the second aspect.

[0051] The device control scheme provided by the embodiment of the present application comprises the following steps: receiving a compressor control signal sent by a temperature controller of the device and receiving a fan state signal sent by an indoor unit of the device; generating a first switch signal according to the compressor control signal; generating a second switch signal according to the fan state signal; and controlling a compressor in an outdoor unit according to the first switch signal and the second switch signal. Thus, a set of output signals can be added on the indoor unit and sent to the outdoor unit, and the signals are indoor fan state signals, which represent the on or off state of the fan. The compressor in the outdoor unit is no longer controlled only by the compressor control signal sent by the temperature controller, but also needs to be controlled in combination with the state signal of the indoor fan, so as to avoid the phenomenon that the compressor in the outdoor unit is still running when the indoor fan is abnormally faulty. BRIEF DESCRIPTION OF DRAWINGS

[0052] Figure 1 A flowchart of a first device control method provided by the embodiment of the present application is shown in the figure;

[0053] Figure 2A flow chart of a control method of a second device according to an embodiment of the present application is shown in Figure 2;

[0054] Figure 3 A flow chart of a control method of a third device according to an embodiment of the present application is shown in Figure 3;

[0055] Figure 4 A flow chart of a control method of a fourth device according to an embodiment of the present application is shown in Figure 4;

[0056] Figure 5 A flow chart of a control method of a fifth device according to an embodiment of the present application is shown in Figure 5;

[0057] Figure 6 A flow chart of a control method of a sixth device according to an embodiment of the present application is shown in Figure 6;

[0058] Figure 7 A structure diagram of a control circuit of a device according to an embodiment of the present application is shown in Figure 7;

[0059] Figure 8 A structure diagram of a control circuit of another device according to an embodiment of the present application is shown in Figure 8;

[0060] Figure 9 A structure diagram of a control circuit of another device according to an embodiment of the present application is shown in Figure 9;

[0061] Figure 10 A structure diagram of a control device of a device according to an embodiment of the present application is shown in Figure 10;

[0062] Figure 11 A structure diagram of a control device of another device according to an embodiment of the present application is shown in Figure 11;

[0063] Figure 12 A structure diagram of a device according to an embodiment of the present application is shown in Figure 12. DETAILED DESCRIPTION

[0064] In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are some but not all of the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present application.

[0065] In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are some but not all of the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present application.

[0066] Figure 1A flowchart of a control method of a first device provided by an embodiment of the present application is shown in FIG. 1, and the method specifically includes the following steps. Figure 1

[0067] S11, receiving a compressor control signal sent by a temperature controller of the device and receiving a fan state signal sent by an indoor unit of the device.

[0068] The control method of the device provided by the embodiment of the present application is applied to an outdoor unit of an air conditioner device, and specifically controls the compressor by receiving the fan state signal output by the indoor unit and the compressor control signal sent by the temperature controller.

[0069] In this embodiment, the outdoor unit of the air conditioner device includes a compressor, the indoor unit of the air conditioner device includes a fan, the temperature controller is connected with the outdoor unit and the indoor unit, the indoor unit is connected with the outdoor unit, the temperature controller can generate a compressor control signal for starting the compressor, and the temperature controller will generate a high-level compressor control signal when the compressor needs to be started after the unit is started. The indoor unit can generate a fan state signal for representing the state of the indoor fan (for example, the fan is in a starting state or a stopping state), and the indoor unit will generate a high-level fan state signal when the fan is normally started.

[0070] Specifically, when the user starts the unit by a switch key on the temperature controller, the temperature controller main chip detects the signal of the key and sends a high-level compressor control signal, and the outdoor unit detects the corresponding level change of the compressor control signal. When the indoor unit and the fan start to operate, the indoor unit sends a high-level fan state signal, and the outdoor unit detects the corresponding level change of the fan state signal.

[0071] S12, generating a first switch signal according to the compressor control signal.

[0072] In this embodiment, the first signal is a compressor switch signal A for controlling the starting or stopping of the compressor, the outdoor unit generates a high-level first switch signal when it receives a high-level compressor control signal sent by the temperature controller, and the outdoor unit generates a low-level first switch signal when it receives a low-level compressor control signal sent by the temperature controller.

[0073] S13, generating a second switch signal according to the fan state signal.

[0074] In this embodiment, the second signal is a compressor switch signal B for controlling the starting or stopping of the compressor in combination with the first switch signal, the outdoor unit generates a high-level second switch signal when it receives a high-level fan state signal sent by the indoor unit, and the outdoor unit generates a low-level second switch signal when it receives a low-level fan state signal sent by the indoor unit.

[0075] ​S14, controlling the compressor in the outdoor unit according to the first switch signal and the second switch signal.

[0076] In the embodiment, the outdoor unit controls the compressor to start in combination with the first switch signal and the second switch signal. When the first switch signal and the second switch signal are both high, the compressor is controlled to start. When the first switch signal is high, it indicates that the unit is started. After receiving the high first switch signal triggered by the temperature controller, the compressor is controlled to start normally. At this time, the second switch signal in the preset time is monitored. When the second switch signal changes from low to high in the preset time, the compressor is kept on. When the second switch signal is always low in the preset time, it indicates that the fan has not worked normally, and the compressor is controlled to stop or the unit is controlled to stop.

[0077] The control method of the device provided by the embodiment of the application comprises the following steps: receiving a compressor control signal sent by a temperature controller of the device and receiving a fan state signal sent by an indoor unit of the device; generating a first switch signal according to the compressor control signal; generating a second switch signal according to the fan state signal; and controlling a compressor in an outdoor unit according to the first switch signal and the second switch signal. Thus, a set of output signals can be added to the indoor unit and sent to the outdoor unit. The signals are indoor fan state signals, indicating the start or non-start state of the fan. The compressor in the outdoor unit is no longer controlled by the compressor control signal sent by the temperature controller alone, but also needs to be controlled in combination with the state signal of the fan in the indoor unit, so as to avoid the phenomenon that the compressor in the outdoor unit is still running when the fan in the indoor unit is abnormally faulty.

[0078] Figure 2 The flowchart of the second control method of the device provided by the embodiment of the application is shown in FIG. 2, and the method specifically comprises the following steps. Figure 2

[0079] S21, receiving a compressor control signal sent by a temperature controller of the device and receiving a fan state signal sent by an indoor unit of the device.

[0080] In the embodiment, the temperature controller comprises a relay RLY1 and a relay RLY3. The relay RLY1 is used to generate a compressor control signal and send the compressor control signal to an optocoupler OP1 in the outdoor unit. The relay RLY3 is used to generate a fan control signal and send the fan control signal to an optocoupler OP3 in the indoor unit. The fan control signal is used to control the fan in the indoor unit to start or stop. The indoor unit comprises a relay RLY2, which is used to generate a fan state signal and send the fan state signal to an optocoupler OP2 in the outdoor unit.

[0081] ​Specifically, when the compressor control signal sent by the temperature controller is high level "1", the relay RLY1 is turned on, after the relay RLY1 is turned on, the outdoor unit receiving circuit receives the compressor control signal, and the optocoupler OP1 is turned on. When the compressor control signal sent by the temperature controller is low level "0", the relay RLY1 is turned off, after the relay RLY1 is turned off, the optocoupler OP1 in the outdoor unit receiving circuit is turned off.

[0082] When the fan state signal sent by the indoor unit is high level "1", the relay RLY2 is turned on, after the relay RLY2 is turned on, the outdoor unit receiving circuit receives the fan state signal, and the optocoupler OP2 is turned on. When the fan state signal sent by the indoor unit is low level "0", the relay RLY2 is turned off, after the relay RLY2 is turned off, the optocoupler OP2 in the outdoor unit receiving circuit is turned off.

[0083] S22, when it is detected that the compressor control signal is high level, the first optocoupler in the outdoor unit is controlled to be turned on; the first switch signal corresponding to the compressor is generated through the first optocoupler, and the first switch signal is high level.

[0084] In the embodiment, the first optocoupler is OP1, after the outdoor unit receives the high level compressor control signal, the first optocoupler is turned on, at this time, the high level compressor switch signal A is generated as the first switch signal, and the high level can control the compressor to be turned on.

[0085] In a possible implementation, when it is detected that the compressor control signal is low level, the first optocoupler in the outdoor unit is controlled to be turned off; the first switch signal corresponding to the compressor is generated through the first optocoupler, and the first switch signal is low level.

[0086] S23, when it is detected that the fan state signal is high level, the second optocoupler in the outdoor unit is controlled to be turned on; the second switch signal corresponding to the compressor is generated through the second optocoupler, and the second switch signal is high level.

[0087] In the embodiment, the first optocoupler is OP2, after the outdoor unit receives the high level fan state signal, the second optocoupler is turned on, at this time, the high level compressor switch signal B is generated as the second switch signal, and the high level can control the compressor to be turned on.

[0088] In a possible implementation, when it is detected that the fan state signal is low level, the second optocoupler in the outdoor unit is controlled to be turned off; the second switch signal corresponding to the compressor is generated through the second optocoupler, and the second switch signal is low level.

[0089] S24, when the first switch signal is high, the compressor is controlled to start; when the first duration of the second switch signal remaining low is greater than the first threshold, the compressor is controlled to stop; when the second duration of the compressor stopping is equal to the second threshold, the compressor is controlled to start, and the step of judging whether the first duration is greater than the first threshold is executed; when the number of times of detecting that the first duration is greater than the first threshold reaches the third threshold, the outdoor unit is controlled to stop working and an alarm event occurs.

[0090] In the embodiment, generally, the equipment unit is in the shutdown state, and the fan and the compressor are both closed. By the switch button on the temperature controller, the unit is started, and the temperature controller sends the high-level compressor control signal to the indoor unit to inform the indoor unit to start the compressor. After the outdoor unit receives the compressor control signal, the optocoupler OP1 is turned on to generate the high-level first switch signal, and the compressor is immediately started. The temperature controller simultaneously sends the high-level fan control signal to the indoor unit to inform the indoor unit to start the fan. After the indoor unit receives the fan control signal, the optocoupler OP3 is turned on, and the indoor unit generates the high-level fan switch signal to start the fan. At this time, the fan is started under the self-working logic of the fan, and if the fan is normally started, the indoor unit generates the high-level fan state signal to the outdoor unit to control the optocoupler OP2 to be turned on.

[0091] Further, after the first switch signal is high to control the compressor to start, the state of the second switch signal is detected. If the current second switch signal is high, the compressor of the outdoor unit is normally operated, and the indoor and outdoor units are in the normal working state.

[0092] The outdoor unit continues to detect the first switch signal and the second switch signal in real time. Since the equipment unit may have the cold wind prevention requirement during operation, in this case, the compressor of the outdoor unit is started first, and the fan of the indoor unit is started later. Therefore, when the second switch signal is detected to be low, it is indicated that the current fan is not started, the first duration t of the low level is recorded, and whether t exceeds the first threshold T1 is judged. If t does not exceed T1, the compressor is controlled to continue to operate, and the first switch signal and the second switch signal are continuously detected. When the first switch signal is high, the second switch signal is low, and the duration t of the low level exceeds T1, the first time that the indoor fan is not started due to timeout is recorded, the compressor of the outdoor unit is immediately controlled to stop, the compressor is started again when the second duration T2 of the compressor stopping reaches the second threshold, and the detection is continuously performed. If t still exceeds T1, the second time that the indoor fan is not started due to timeout is recorded, the compressor is stopped again, the compressor is started again after T2, and the detection is continuously performed. When the number of times that the indoor fan is not started due to timeout continuously reaches the third threshold (three times), the outdoor unit can determine that the fan is faulty or the fan state signal interface sent by the indoor unit to the outdoor unit is faulty, the outdoor unit reports the fault and stops.

[0093] In a possible implementation, when the number of times that the first time length is greater than the first threshold value is less than the third threshold value, and the first switch signal and the second switch signal are both high, the compressor is controlled to operate normally, and the number of times is cleared.

[0094] Specifically, if the number of times that the indoor fan continuously fails to start for a timeout is less than the third threshold value, the second switch signal changes from low to high, i.e., the fan is in a normal operating state, the compressor remains in the normal operating state, and the count of the fan failing to start for a timeout is cleared.

[0095] In a possible implementation, when the first switch signal is low, the second switch signal is high, and the compressor is in an on state, a third time length for which the compressor is on is obtained; and when the third time length is greater than a fourth threshold value, the compressor is controlled to be off.

[0096] Specifically, if the first switch signal is low and the second switch signal is high after a period of operation, it is first determined whether a third time length for which the compressor has been on satisfies a minimum operating time length fourth threshold value, if yes, the compressor is immediately turned off, and if no, the compressor continues to operate until the third time length is greater than the fourth threshold value, to ensure the reliability of the compressor. When the first switch signal and the second switch signal are both low, the compressor is turned off according to a shutdown process.

[0097] In a possible implementation, when the indoor temperature collected by the temperature controller reaches a set temperature, or the user turns off the air conditioner through the temperature controller, the temperature controller outputs a low-level fan control signal and a low-level compressor control signal, and the indoor unit and the outdoor unit control the fan and the compressor to be turned off according to their own logic after receiving the low-level control signals of the temperature controller.

[0098] The control method of the device provided by the embodiment of the present application comprises the following steps: receiving a compressor control signal sent by a temperature controller of the device and receiving a fan state signal sent by an indoor unit of the device; when it is detected that the compressor control signal is high, controlling a first optocoupler in an outdoor unit to be turned on; generating a first switch signal corresponding to the compressor through the first optocoupler; when it is detected that the fan state signal is high, controlling a second optocoupler in the outdoor unit to be turned on; generating a second switch signal corresponding to the compressor through the second optocoupler, and the second switch signal is high; when the first switch signal is high, controlling the compressor to be turned on; when a first time length during which the second switch signal remains low is greater than a first threshold value, controlling the compressor to be turned off; when a second time length during which the compressor is turned off is equal to a second threshold value, controlling the compressor to be turned on, and performing the step of judging whether the first time length is greater than the first threshold value; when it is detected that the number of times that the first time length is greater than the first threshold value reaches a third threshold value, controlling the outdoor unit to stop working and an alarm event to occur. Thus, the compressor can be turned off when the indoor fan fails, and the phenomenon of overloading of the compressor without being turned off can be prevented when the indoor fan stops working abnormally without communication.

[0099] Figure 3 The third control method of the device is provided in the embodiment of the present application, and a flowchart of the third control method of the device is shown in FIG. 3. Figure 3 The third control method of the device comprises the following steps:

[0100] S31, when a high-level fan control signal output by a temperature controller of the device is received, controlling a fan of the indoor unit to be turned on according to the fan control signal, and generating a high-level fan state signal.

[0101] In the embodiment, the indoor unit is applied to an air conditioner device, the indoor unit is connected with a temperature controller and an outdoor unit respectively, and when the device is running, a relay in the temperature controller generates a fan control signal for controlling the fan of the indoor unit to be turned on or turned off. When the indoor unit receives the high-level fan control signal, an optocoupler of the indoor unit is turned on to generate a high-level fan switch signal, and the fan is controlled to be turned on according to the fan switch signal. When the fan is normally running, a high-level fan state signal is generated according to a relay of the indoor unit.

[0102] S32, sending the fan state signal to the outdoor unit of the device, so as to control a second optocoupler in the outdoor unit to generate a second switch signal corresponding to a compressor of the outdoor unit according to the fan state signal, and controlling the compressor according to the second switch signal.

[0103] In the embodiment, the relay of the indoor unit is connected with the second optocoupler in the outdoor unit, the second optocoupler is controlled to be turned on according to the fan state signal, and a second switch signal is generated. The compressor is controlled according to the second switch signal and the first switch signal. The generation method of the first switch signal and the control method of the compressor are similar to those described in the first control method of the device, and the specific content is referred to in the first control method of the device. Figure 2 ​Figure 2 For brevity, the description is not repeated here.

[0104] S33, when detecting that the fan does not run normally within the fourth time length, controlling the fan to be closed; generating a low level fan state signal, and sending the fan state signal to the outdoor unit of the device; after a fifth time length, controlling the fan to be opened, and performing the step of detecting whether the fan runs normally within the fourth time length; when the number of times of detecting that the fan does not run normally within the fourth time length is greater than a fifth threshold value, controlling the indoor unit to stop working.

[0105] In the embodiment, the indoor unit and the fan running state are detected, when the fan stops running or the running state is abnormal due to a fault, the fourth time length of not running normally is recorded, when the fourth time length is greater than a set threshold value, the fan is controlled to be closed, and a low level fan state signal is generated and sent to the outdoor unit, the fan is controlled to be opened after a preset fifth time length, and whether the fan runs normally is continuously detected, when the number of times of detecting that the fan does not run normally within the fourth time length is greater than a preset fifth threshold value (three times), the indoor unit is controlled to stop working and the device is controlled to generate an alarm event, the alarm mode can be an audible and light alarm or sending alarm information to a user smart terminal. When the device recovers normally within the fourth time length, the count is cleared and detection is performed again.

[0106] Figure 4 A flowchart of a fourth device control method provided by the embodiment of the application is shown in FIG. 4, and the method specifically includes the following steps. Figure 4

[0107] Step one: the unit is opened, and the temperature controller outputs a high level fan control signal and a high level compressor control signal to open the indoor unit and the outdoor unit respectively.

[0108] Step two: after the indoor unit and the outdoor unit receive the high level control signals, the outdoor unit compressor switch signal A (the first switch signal) is high level, and the indoor unit fan switch signal is high level, at this time, the outdoor unit immediately opens the compressor, and the indoor unit opens the fan according to its own working logic.

[0109] Step three: the outdoor unit compressor runs normally, the outdoor unit detects the states of the outdoor unit compressor switch signal A and the compressor switch signal B (the second switch signal), if the outdoor unit compressor switch signal A is high level and the compressor switch signal B is low level, the duration t of the low level compressor switch signal B is recorded, and step four is entered. If the outdoor unit compressor switch signal A is high level and the outdoor unit compressor switch signal B is high level, step six is entered. If the compressor switch signal A is low level, step seven is entered.

[0110] ​Step four: judge the duration of the compressor switch signal B as low level, if the duration of the compressor switch signal B as low level t < T1, the compressor keeps normal operation, the outdoor unit continues to detect the compressor switch signal A and the compressor switch signal B. If the outdoor unit detects the compressor switch signal A as low level within T1, it enters step seven. Or, if it detects the compressor switch signal A and the compressor switch signal B as high level, it enters step six. If the compressor switch signal A is high level and the compressor switch signal B is low level, and the duration of the low level t ≥ T1, it records the number of times of the indoor fan timeout without starting, and immediately turns off the compressor. At this time, if the number of times of the fan timeout without starting is < 3, it enters step five, if the number of times of the fan timeout without starting is ≥ 3, it enters step nine.

[0111] Step five: the outdoor unit turns off the compressor, after T2 time, the outdoor unit starts the compressor again, and continues to detect the compressor switch signal A and the compressor switch signal B. If the compressor switch signal A is high level and the compressor switch signal B is low level, it returns to step four. If the compressor switch signal A is high level and the compressor switch signal B is high level, it clears the number of times of the fan timeout without starting, and enters step six. If the compressor switch signal A is low level, it enters step seven.

[0112] Step six: the fan and the compressor have been normally started, the indoor and outdoor units are in normal working state, the outdoor unit continues to detect the compressor switch signal A and the compressor switch signal B. During the normal operation of the indoor and outdoor units, if the compressor switch signal A is detected as low level, it enters step seven. If the compressor switch signal A is detected as high level and the compressor switch signal B is low level, it returns to step four.

[0113] Step seven: the compressor switch signal A is low level, indicating that the temperature controller sends a low level compressor control signal, if the compressor switch signal B is low level at this time, the compressor is immediately turned off. If the compressor switch signal B is high level at this time, it enters step eight.

[0114] Step eight: judge whether the running time of the compressor meets the minimum running time, if yes, the compressor is immediately turned off, if not, the compressor continues to keep normal operation, and enters step three.

[0115] Step nine: the outdoor unit reports a fault and stops.

[0116] Figure 5 The fifth kind of device control method provided for the embodiment of the application is shown in the flowchart as shown in Figure 5 The method specifically includes:

[0117] In this embodiment, when the unit is turned on and the indoor unit is powered on, the fan status signal defaults to a high level, indicating that the fan is currently in a normal state. The thermostat outputs a high-level fan control signal and a high-level compressor control signal to the indoor and outdoor units, respectively. The outdoor unit's compressor on / off signal is high, and the compressor immediately turns on. When the indoor unit's fan on / off signal is high, the fan outputs a fan PWM control signal based on its own operating logic to turn on the fan. If the indoor unit detects that the fan has not started normally within time T1 after outputting the fan PWM control signal, or if the fan fails midway after starting and does not resume normal operation within T1, the indoor unit stops outputting the PWM signal, outputs a low-level fan status signal, and records the number of fan failures (X = 1). Relay RLY2 disconnects, and the outdoor unit's compressor on / off signal turns low. After time T2, the indoor unit again outputs the fan PWM control signal and a high-level fan status signal. At this point, the outdoor unit's compressor on / off signal returns to a high level. If the fan still fails to start normally within time T1, the indoor unit will stop outputting PWM signals again, output a low-level fan status signal, and record the number of fan failures plus one. The outdoor unit's compressor on / off signal will again become low-level. This cycle repeats. If the fan failure X=3 is recorded three times in a row, the indoor unit will report a fault code and shut down. Relay RLY2 will be disconnected, the outdoor unit's compressor on / off signal will be low-level, and the outdoor unit will shut down the compressor. If the fan successfully starts normally within three cycles, the above-mentioned fan timeout failure count will be cleared, and the indoor and outdoor units will return to normal working conditions, avoiding the problem of the compressor continuing to run when the indoor fan fails.

[0118] Figure 6 A flow chart of a control method for a sixth device provided in an embodiment of the present invention is shown as follows: Figure 6 As shown, the method specifically includes:

[0119] In normal operation of the unit, when the outdoor compressor switch signal changes from high level to low level, the outdoor unit records the number of times X = 1 that the compressor switch signal changes from high level to low level, and simultaneously judges whether the low level duration exceeds T2. If it exceeds T2, it indicates that the indoor temperature has reached the set temperature point collected by the temperature controller, and the unit needs to be shut down. After receiving the shutdown instruction, the outdoor unit needs to judge whether the compressor meets the minimum running time T3 requirement. If it meets the requirement, the compressor is immediately shut down. If it does not meet the requirement, the compressor continues to run until it meets the minimum running time requirement before being turned off, ensuring the reliability of the compressor. If the low level duration does not exceed T2 and then changes to high level again, if the high level duration exceeds T1, the compressor continues to operate normally, the X value is cleared, and the outdoor unit continues to detect the compressor switch signal. If the high level duration does not exceed T1 and changes to low level again, the number of times X that the compressor switch signal changes from high level to low level is recorded, and if X is greater than or equal to 3 after X is incremented by 1, it indicates that the indoor fan may have a fault, and the compressor is immediately turned off. If X is less than 3 after X is incremented by 1, it returns to the judgment of whether the low level duration of the compressor switch signal exceeds T2.

[0120] Figure 7 A structural diagram of a control circuit of an apparatus provided by an embodiment of the present application is shown in Figure 7 , and specifically includes:

[0121] a temperature controller, an indoor unit and an outdoor unit; the temperature controller includes a first relay RLY1 and a first triode VT1; the outdoor unit includes a first optocoupler OP1 and a second optocoupler OP2; the indoor unit includes a second relay RLY2 and a second triode VT2;

[0122] The output end of the first relay is connected with the input end of the first optocoupler, the input end of the first relay is connected with the collector of the first triode, the output end of the second relay is connected with the input end of the second optocoupler, and the input end of the second relay is connected with the collector of the second triode.

[0123] The first relay outputs a high level compressor control signal to control the first optocoupler to be conductive and generate a high level compressor switch signal A (first switch signal), and the second relay outputs a high level fan state signal to control the second optocoupler to be conductive and generate a high level compressor switch signal B (second switch signal).

[0124] The control circuit of the apparatus provided by the embodiment can be the circuit shown in Figure 7 , and can execute all steps of the control method of the apparatus in Figures 1-4 , thereby realizing the technical effects of the control method of the apparatus shown in Figures 1-4 . For details, please refer to the related description in Figures 1-4 . For brevity, the description is not repeated here.

[0125] Figure 8 A structural diagram of a control circuit of another device provided in an embodiment of the present invention is shown in FIG. Figure 8 As shown, the structure specifically includes:

[0126] Thermostat and indoor unit; the thermostat includes: a third relay RLY3 and a third transistor VT3; the indoor unit includes: a third optical coupler OP3.

[0127] The output end of the third relay is connected to the input end of the third optocoupler, and the input end of the third relay is connected to the collector of the third transistor. The third relay outputs a high-level fan control signal to control the third optocoupler to conduct, and generates a high-level fan switch signal to control the fan to turn on.

[0128] The control circuit of the device provided in this embodiment can be as follows Figure 8 The circuit shown in , can be performed as Figures 1-4 All steps of the control method of the device in the Figures 1-4 For details on the technical effects of the control method of the device shown, please refer to Figures 1-4 For the sake of brevity, the relevant description will not be repeated here.

[0129] Figure 9 A structural diagram of a control circuit of another device provided in an embodiment of the present invention is shown in FIG. Figure 9 As shown, the structure specifically includes:

[0130] Thermostat, indoor unit and outdoor unit; the thermostat includes: a first relay RLY1 and a first transistor VT1; the outdoor unit includes: a first optical coupler OP1; the indoor unit includes: a second relay RLY2 and a second transistor VT2.

[0131] The output terminal of the first relay is connected to the first input terminal of the second relay, the input terminal of the first relay is connected to the collector of the first transistor, the output terminal of the second relay is connected to the input terminal of the first optocoupler, and the second input terminal of the second relay is connected to the collector of the second transistor. In this embodiment, the high-level compressor control signal is output to the second relay only through the first relay. After the second relay is turned on, if the fan is operating normally, a high-level fan status signal is generated and sent to the first optocoupler, thereby turning on the first optocoupler and generating a high-level compressor switching signal A.

[0132] The control circuit of the device provided in this embodiment can be as follows Figure 9 The circuit shown in , can be performed as Figure 5 and 6 All steps of the control method of the device in the Figure 5 and 6 For details on the technical effects of the control method of the device shown, please refer to Figure 5 and 6The related description is not described here for brevity.

[0133] Figure 10 A structural schematic diagram of a control device of an equipment is provided for an embodiment of the present application, as shown in the figure, the device specifically comprises: Figure 10

[0134] The receiving module 11 is configured to receive a compressor control signal sent by a temperature controller of the equipment and receive a fan state signal sent by an indoor unit of the equipment;

[0135] The generating module 12 is configured to generate a first switch signal according to the compressor control signal;

[0136] The generating module 12 is further configured to generate a second switch signal according to the fan state signal;

[0137] The control module 13 is configured to control a compressor in an outdoor unit according to the first switch signal and the second switch signal.

[0138] In a possible implementation, the control module is specifically configured to control a first optocoupler in the outdoor unit to be turned on when it is detected that the compressor control signal is at a high level;

[0139] The generating module is specifically configured to generate a first switch signal corresponding to the compressor through the first optocoupler, and the first switch signal is at a high level;

[0140] Or, the control module is specifically configured to control a first optocoupler in the outdoor unit to be turned off when it is detected that the compressor control signal is at a low level;

[0141] The generating module is specifically configured to generate a first switch signal corresponding to the compressor through the first optocoupler, and the first switch signal is at a low level;

[0142] The second switch signal is generated according to the fan state signal, and the method specifically comprises:

[0143] The control module is specifically configured to control a second optocoupler in the outdoor unit to be turned on when it is detected that the fan state signal is at a high level;

[0144] The generating module is specifically configured to generate a second switch signal corresponding to the compressor through the second optocoupler, and the second switch signal is at a high level;

[0145] Or, the control module is specifically configured to control a second optocoupler in the outdoor unit to be turned off when it is detected that the fan state signal is at a low level;

[0146] ​The generating module is specifically configured to generate a second switch signal corresponding to the compressor through the second optical coupler, and the second switch signal is a low level.

[0147] In one possible implementation, the control module is specifically configured to control the compressor to start when the first switch signal is a high level.

[0148] When the first duration that the second switch signal remains at a low level is greater than a first threshold, the control module is configured to control the compressor to stop.

[0149] When a second duration that the compressor is stopped is equal to a second threshold, the control module is configured to control the compressor to start, and perform the step of judging whether the first duration is greater than the first threshold.

[0150] When the number of times that the first duration is detected to be greater than the first threshold reaches a third threshold, the control module is configured to control the outdoor unit to stop working and an alarm event to occur.

[0151] Or, when the number of times that the first duration is detected to be greater than the first threshold is less than the third threshold, and the first switch signal and the second switch signal are both high levels, the control module is configured to control the compressor to normally operate, and clear the number of times.

[0152] In one possible implementation, the obtaining module 14 is configured to obtain a third duration that the compressor is started when the first switch signal is a low level, the second switch signal is a high level, and the compressor is in a started state.

[0153] The control module is specifically configured to control the compressor to stop when the third duration is greater than a fourth threshold.

[0154] Or, when the first switch signal and the second switch signal are both low levels, the control module is configured to control the compressor to stop.

[0155] The control device of the equipment provided in this embodiment can be a device as shown in Figure 10 , and can perform all steps of the control method of the equipment in Figure 1 , 2 , 4-6, and thus achieve the technical effects of the control method of the equipment in Figure 1 , 2 , 4-6. For details, refer to the related descriptions in Figure 1 , 2 , 4-6. For brevity and conciseness, no further description is given here.

[0156] Figure 11 Another control device of an equipment provided in an embodiment of the present application is shown in a structural schematic diagram as shown in Figure 11 , and specifically includes:

[0157] The control module 21 is configured to control the fan of the indoor unit to start when a high-level fan control signal output by a temperature controller of the device is received, and the generation module 22 is configured to generate a high-level fan state signal;

[0158] The sending module 23 is configured to send the fan state signal to an outdoor unit of the device, so as to control a second optocoupler in the outdoor unit to generate a second switch signal corresponding to a compressor of the outdoor unit according to the fan state signal, and control the compressor according to the second switch signal.

[0159] In a possible implementation, the control module is further configured to control the fan to stop when it is detected that the fan does not operate normally within a fourth time length.

[0160] The generation module is further configured to generate a low-level fan state signal, and the sending module is further configured to send the fan state signal to the outdoor unit of the device.

[0161] The control module is further configured to control the fan to start after a fifth time length, and perform the step of detecting whether the fan operates normally within the fourth time length.

[0162] When the number of times that the fan does not operate normally within the fourth time length is greater than a fifth threshold, the indoor unit is controlled to stop working.

[0163] The device control apparatus provided in the embodiment can be an apparatus as shown in Figure 11 , and can perform all steps of the device control method in Figure 3 , thereby achieving the technical effects of the device control method in Figure 3 . For details, refer to the related description, which will not be repeated here for brevity. Figure 3

[0164] Figure 12 A structural schematic diagram of a device provided in the embodiment of the present application is shown in Figure 12 The device 400 shown in the figure includes at least one processor 401, a memory 402, at least one network interface 404 and other user interfaces 403. The various components in the device 400 are coupled together through a bus system 405. It can be understood that the bus system 405 is used to realize the connection and communication between the components. The bus system 405 includes not only a data bus, but also a power bus, a control bus and a status signal bus. However, for the sake of clarity, all kinds of buses are marked as the bus system 405 in the figure. Figure 12

[0165] ​​The user interface 403 can include a display, a keyboard, or a pointing device (e.g., a mouse, a trackball, a touchpad, or a touchscreen).

[0166] It can be appreciated that the memory 402 in the embodiments of the present application can be a volatile memory or a nonvolatile memory, or can include both volatile and nonvolatile memory. The nonvolatile memory can be a Read-Only Memory (ROM), a Programmable ROM (PROM), an Erasable PROM (EPROM), an Electrically EPROM (EEPROM), or a flash memory. The volatile memory can be a Random Access Memory (RAM), which is used as the external cache. By way of example, and not limitation, many forms of RAM are available, such as Static RAM (SRAM), Dynamic RAM (DRAM), Synchronous DRAM (SDRAM), Double Data Rate SDRAM (DDR SDRAM), Enhanced SDRAM (ESDRAM), Synchlink DRAM (SLDRAM), and Direct Rambus RAM (DRRAM). The memory 402 described herein is intended to include, without being limited to, these and any other suitable types of memory.

[0167] In some embodiments, the memory 402 stores the following elements, executable units or data structures, or a subset of them, or an extended set of them: an operating system 4021 and application programs 4022.

[0168] The operating system 4021 contains various system programs, such as a framework layer, a core library layer, a driver layer, etc., for implementing various basic services and processing hardware-based tasks. The application programs 4022 contain various application programs, such as a Media Player, a Browser, etc., for implementing various application services. The programs implementing the methods of the embodiments of the present application can be included in the application programs 4022.

[0169] In the embodiments of the present application, the processor 401 is configured to execute the method steps provided by the embodiments by invoking the programs or instructions stored in the memory 402, specifically, the programs or instructions stored in the application programs 4022. For example, the processor 401 is configured to execute the following steps:

[0170] receiving a compressor control signal sent by a temperature controller of the device, and receiving a fan state signal sent by an indoor unit of the device;

[0171] generating a first switch signal according to the compressor control signal;

[0172] generating a second switch signal according to the fan state signal;

[0173] controlling a compressor in the outdoor unit according to the first switch signal and the second switch signal.

[0174] The above-mentioned method embodiments of the present application can be applied to the processor 401 or implemented by the processor 401. The processor 401 can be an integrated circuit chip having a signal processing capability. In the implementation process, each step of the above-mentioned method can be completed by an integrated logic circuit or an instruction in the form of software in the processor 401. The above-mentioned processor 401 can be a general-purpose processor, a digital signal processor (DSP), an application specific integrated circuit (ASIC), a field programmable gate array (FPGA) or other programmable logic devices, discrete gate or transistor logic devices, discrete hardware components. Each method, step and logic block diagram disclosed in the embodiments of the present application can be implemented or executed. The general-purpose processor can be a microprocessor or any conventional processor. The steps of the method disclosed in combination with the embodiments of the present application can be directly embodied as a hardware code processor for execution, or a combination of hardware and software units in the code processor for execution. The software unit can be located in a random access memory, a flash memory, a read-only memory, a programmable read-only memory, an electrically erasable programmable memory, a register or other mature storage media in the art. The storage media is located in the memory 402, and the processor 401 reads the information in the memory 402 and completes the steps of the above-mentioned method in combination with the hardware.

[0175] It can be understood that the embodiments described herein can be implemented in hardware, software, firmware, middleware, microcode, or a combination thereof. For hardware implementation, the processing units can be implemented within one or more application specific integrated circuits (ASICs), digital signal processors (DSPs), digital signal processing devices (DSP Devices, DSPDs), programmable logic devices (PLDs), field programmable gate arrays (FPGAs), general purpose processors, controllers, micro-controllers, microprocessors, other electronic units designed to perform the functions described herein, or a combination thereof.

[0176] For software implementation, the techniques described herein can be implemented with a processing unit that executes program code that includes functions described herein. The software code can be stored in memory and executed by a processor. Memory can be implemented within the processor or external to the processor.

[0177] The device provided by the embodiment can be a device as shown in Figure 12 may perform all steps of the control method of the device as shown in Figures 1-6 and achieve the technical effects of the control method of the device as shown in Figures 1-6 For brevity, the related description is not repeated here. Figures 1-6

[0178] The embodiment of the application further provides a storage medium (computer readable storage medium). The storage medium stores one or more programs. The storage medium can include a volatile memory, such as a random access memory; the storage medium can also include a non-volatile memory, such as a read-only memory, a flash memory, a hard disk, or a solid state disk; and the storage medium can also include a combination of the above kinds of memories.

[0179] When the one or more programs stored in the storage medium can be executed by one or more processors to implement the control method of the device as described above.

[0180] The processor is configured to execute the control program of the device stored in the memory to implement the following steps of the control method of the device as described above.

[0181] The compressor control signal sent by the temperature controller of the device is received, and the fan state signal sent by the indoor unit of the device is received.

[0182] The first switch signal is generated according to the compressor control signal. ​

[0183] generating a second switching signal according to the fan status signal;

[0184] The compressor in the outdoor unit is controlled according to the first switching signal and the second switching signal.

[0185] Professionals should also be further aware that the units and algorithm steps of each example described in conjunction with the embodiments disclosed herein can be implemented in electronic hardware, computer software, or a combination of the two. In order to clearly illustrate the interchangeability of hardware and software, the above description has generally described the components and steps of each example according to their functions. Whether these functions are performed in hardware or software depends on the specific application and design constraints of the technical solution. Professionals and technicians can use different methods to implement the described functions for each specific application, but such implementation should not be considered to be beyond the scope of the present invention.

[0186] The steps of the methods or algorithms described in conjunction with the embodiments disclosed herein may be implemented using hardware, a software module executed by a processor, or a combination of the two. The software module may be placed in a random access memory (RAM), a memory, a read-only memory (ROM), an electrically programmable ROM, an electrically erasable programmable ROM, a register, a hard disk, a removable disk, a CD-ROM, or any other form of storage medium known in the art.

[0187] The specific implementation methods described above further illustrate the objectives, technical solutions and beneficial effects of the present invention in detail. It should be understood that the above description is only a specific implementation method of the present invention and is not intended to limit the scope of protection of the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A method for controlling a device, characterized in that: Applied to the external unit of the device, the method includes: receiving a compressor control signal sent by a thermostat of the device, and receiving a fan status signal sent by an indoor unit of the device; generating a first switching signal according to the compressor control signal; generating a second switching signal according to the fan status signal; Controlling the compressor in the outdoor unit according to the first switching signal and the second switching signal includes: When the first switch signal is at a high level, controlling the compressor to turn on; When the first time length during which the second switch signal maintains a low level is greater than a first threshold, controlling the compressor to be turned off; When the second time duration of the compressor being turned off is equal to a second threshold, controlling the compressor to be turned on, and executing the step of determining whether the first time duration is greater than a first threshold; When it is detected that the number of times that the first time length is greater than the first threshold reaches a third threshold, the outdoor unit is controlled to stop working, or an alarm event is generated; Alternatively, when it is detected that the number of times that the first time length is greater than the first threshold is less than a third threshold, and the first switching signal and the second switching signal are both high, the compressor is controlled to operate normally, and the number of times is cleared to zero.

2. The method according to claim 1, characterized in that Generating a first switching signal according to the compressor control signal includes: When it is detected that the compressor control signal is at a high level, the first optical coupler in the external unit is controlled to be turned on; Generate a first switching signal corresponding to the compressor through the first optical coupler, wherein the first switching signal is a high level; or, when it is detected that the compressor control signal is at a low level, controlling the first optical coupler in the external unit to be cut off; Generate a first switching signal corresponding to the compressor through the first optical coupler, wherein the first switching signal is a low level; Generating a second switch signal according to the fan status signal includes: When it is detected that the fan status signal is at a high level, the second optical coupler in the external unit is controlled to be turned on; Generate a second switching signal corresponding to the compressor through the second optical coupler, wherein the second switching signal is a high level; or, when it is detected that the fan status signal is at a low level, controlling the second optical coupler in the external unit to be cut off; A second switching signal corresponding to the compressor is generated by the second optical coupler, and the second switching signal is a low level.

3. The method according to claim 1, characterized in that The controlling the compressor in the outdoor unit according to the first switching signal and the second switching signal includes: When the first switch signal is at a low level, the second switch signal is at a high level, and the compressor is in an on state, obtaining a third on-time of the compressor; When the third time duration is greater than a fourth threshold, controlling the compressor to be turned off; Alternatively, when the first switch signal and the second switch signal are both at a low level, the compressor is controlled to be turned off.

4. A method for controlling a device, characterized in that: An indoor unit of the control method for the device according to any one of claims 1 to 3, comprising: When receiving a high-level fan control signal output by the thermostat of the device, controlling the fan of the indoor unit to turn on according to the fan control signal, and generating a high-level fan status signal; The fan status signal is sent to the external unit of the device, so as to control the second optocoupler in the external unit to generate a second switching signal corresponding to the compressor of the external unit through the fan status signal, and control the compressor according to the second switching signal.

5. The method according to claim 4, characterized in that The method further comprises: When it is detected that the fan does not operate normally within a fourth time period, controlling the fan to shut down; generating a low-level fan status signal, and sending the fan status signal to an external unit of the device; After a fifth time interval, the fan is controlled to be turned on, and a step of detecting whether the fan operates normally within a fourth time interval is performed; When it is detected that the number of times that the fan does not operate normally within the fourth time period is greater than a fifth threshold, the indoor unit is controlled to stop working.

6. A control circuit of a device, characterized in that: include: A thermostat, an indoor unit and an outdoor unit of the control method of the device according to any one of claims 1 to 5; The temperature controller includes: a first relay; The external unit includes: a first optical coupler and a second optical coupler; The indoor unit includes: a second relay; The output end of the first relay is connected to the input end of the first optocoupler, and the output end of the second relay is connected to the input end of the second optocoupler.

7. A control device for an equipment, characterized in that: include: A receiving module, configured to receive a compressor control signal sent by a thermostat of the device, and a fan status signal sent by an indoor unit of the device; a generating module, configured to generate a first switching signal according to the compressor control signal; The generating module is further configured to generate a second switching signal according to the fan status signal; A control module, configured to control the compressor in the external unit according to the first switch signal and the second switch signal; The control module is specifically configured to control the compressor to turn on when the first switch signal is at a high level; When the first time length during which the second switch signal maintains a low level is greater than a first threshold, controlling the compressor to be turned off; When the second time duration of the compressor being turned off is equal to a second threshold, controlling the compressor to be turned on, and executing the step of determining whether the first time duration is greater than a first threshold; When it is detected that the number of times that the first time length is greater than the first threshold reaches a third threshold, the outdoor unit is controlled to stop working, or an alarm event is generated; Alternatively, when it is detected that the number of times that the first time length is greater than the first threshold is less than a third threshold, and the first switching signal and the second switching signal are both high, the compressor is controlled to operate normally, and the number of times is cleared to zero.

8. A device, characterized in that include: A processor and a memory, wherein the processor is configured to execute a control program for the device stored in the memory to implement the control method for the device according to any one of claims 1 to 3 or 4 to 5.

9. A storage medium, characterized in that: The storage medium stores one or more programs, and the one or more programs can be executed by one or more processors to implement the control method of the device according to any one of claims 1 to 3 or 4 to 5.

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