CN114427734A - Control method and device for air conditioner outdoor unit and storage medium - Google Patents
Control method and device for air conditioner outdoor unit and storage medium Download PDFInfo
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- CN114427734A CN114427734A CN202210106859.5A CN202210106859A CN114427734A CN 114427734 A CN114427734 A CN 114427734A CN 202210106859 A CN202210106859 A CN 202210106859A CN 114427734 A CN114427734 A CN 114427734A
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- outdoor unit
- expansion valve
- electronic expansion
- air conditioner
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
- F24F11/63—Electronic processing
- F24F11/64—Electronic processing using pre-stored data
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
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Abstract
The disclosure relates to a control method and device for an air conditioner outdoor unit and a storage medium. The method comprises the following steps: responding to a shutdown instruction sent by an indoor unit, and controlling an electronic expansion valve in the outdoor unit to move from a current position to a reference position, wherein the reference position represents the standby opening of the electronic expansion valve; and sending a power-off request to the indoor unit to power off the outdoor unit. Therefore, the electronic expansion valve can be positioned at the standby opening degree before the outdoor unit is powered off, the electronic expansion valve is ensured to start to act by taking the reference position as the initial position when the outdoor unit is powered on next time, the starting time of the air conditioner is shortened, the quick refrigeration or heating of the air conditioner is realized, and the use experience of a user is improved.
Description
Technical Field
The present disclosure relates to the field of air conditioners, and in particular, to a method and an apparatus for controlling an outdoor unit of an air conditioner, and a storage medium.
Background
The electronic expansion valve is a throttling device in the air-conditioning refrigeration cycle system and is used for controlling the flow of the refrigerant. The electronic expansion valve realizes flow control by driving a valve needle to move by a stepping motor. When the outdoor unit of the existing air conditioner is powered off, the electronic expansion valve is stopped at the current position, after the outdoor unit is powered on each time, the current position is firstly used as the initial position to execute the resetting process of the electronic expansion valve, and the compressor can be started after the resetting process of the electronic expansion valve is completed, so that the starting of the air conditioner is long in consumed time, the quick refrigeration or heating of the air conditioner is not facilitated, and the user experience of products is influenced to a great extent.
Disclosure of Invention
In order to overcome the problems in the related art, the present disclosure provides a method and an apparatus for controlling an outdoor unit of an air conditioner, and a storage medium.
According to a first aspect of the embodiments of the present disclosure, there is provided a method for controlling an outdoor unit of an air conditioner, the method including:
responding to a shutdown instruction sent by an indoor unit, and controlling an electronic expansion valve in the outdoor unit to move from a current position to a reference position, wherein the reference position represents a standby opening degree of the electronic expansion valve;
and sending a power-off request to the indoor unit so as to power off the outdoor unit.
Optionally, the method further comprises:
and responding to an opening control command sent by the indoor unit, and controlling the electronic expansion valve to move from the reference position to a target position indicated by the opening control command.
Optionally, the method further comprises:
and responding to a reset instruction sent by the indoor unit, and controlling the electronic expansion valve to execute a reset process, wherein after the reset process is executed, the electronic expansion valve is positioned at the reference position.
Optionally, the method further comprises:
and if the outdoor unit does not receive the handshake signals sent by the indoor unit after being electrified and the communication connection with the indoor unit is successfully established currently, controlling the electronic expansion valve to execute a resetting process.
Optionally, the method further comprises:
and after the electronic expansion valve executes the resetting process, sending resetting completion information to the indoor unit.
According to a second aspect of the embodiments of the present disclosure, there is provided a method of controlling an outdoor unit of an air conditioner, the method including:
sending a shutdown instruction to the outdoor unit to enable an electronic expansion valve in the outdoor unit to act from a current position to a reference position, wherein the reference position represents a standby opening degree of the electronic expansion valve;
and controlling the outdoor unit to power off in response to a power-off request sent by the outdoor unit.
Optionally, the method further comprises:
responding to a starting instruction, and controlling the outdoor unit to be powered on;
establishing communication connection with the outdoor unit;
and after the communication connection with the outdoor unit is successfully established, an opening degree control instruction is sent to the outdoor unit, wherein the opening degree control instruction is used for indicating the electronic expansion valve to move from the reference position to a target position.
Optionally, before sending the opening degree control instruction to the outdoor unit, the method further includes:
after communication connection is successfully established with the outdoor unit, if the communication connection is the first communication connection between the indoor unit and the outdoor unit after last power-off, a reset instruction is sent to the outdoor unit to control the electronic expansion valve to execute a reset process, wherein the electronic expansion valve is in the reference position after the reset process is executed;
and after receiving the reset completion information sent by the outdoor unit, executing the step of sending the opening control instruction to the outdoor unit.
Optionally, before controlling the outdoor unit to power off, the method further includes:
responding to a power failure request sent by the outdoor unit, and determining the accumulated power failure times of the outdoor unit after the electronic expansion valve executes resetting last time;
if the accumulated power failure times reach a preset power failure time threshold value, sending a reset instruction to the outdoor unit to control the electronic expansion valve to execute a reset process, wherein the electronic expansion valve is located at the reference position after the reset process is executed;
and after the reset completion information sent by the outdoor unit is received, executing the step of controlling the outdoor unit to be powered off.
According to a third aspect of the embodiments of the present disclosure, there is provided a control device for an outdoor unit of an air conditioner, the control device performing the control method for the outdoor unit of the air conditioner provided by the first aspect of the present disclosure, including:
the first control module is used for responding to a shutdown instruction sent by an indoor unit and controlling an electronic expansion valve in the outdoor unit to move from a current position to a reference position, wherein the reference position represents the standby opening degree of the electronic expansion valve;
and the first sending module is used for sending a power-off request to the indoor unit so as to power off the outdoor unit.
According to a fourth aspect of the embodiments of the present disclosure, there is provided a control device of an air conditioner outdoor unit, which executes the control method of the air conditioner outdoor unit provided by the second aspect of the present disclosure, including:
the second sending module is used for sending a shutdown instruction to the outdoor unit so as to enable an electronic expansion valve in the outdoor unit to move from a current position to a reference position, wherein the reference position represents a standby opening degree of the electronic expansion valve;
and the second control module is used for responding to a power-off request sent by the outdoor unit and controlling the outdoor unit to be powered off.
According to a fifth aspect of the embodiments of the present disclosure, there is provided a control device of an outdoor unit of an air conditioner, including:
a processor;
a memory for storing processor-executable instructions;
wherein the processor is configured to execute the executable instructions to implement the control method of the air conditioner outdoor unit provided by the first aspect of the disclosure.
According to a sixth aspect of the embodiments of the present disclosure, there is provided a control device of an outdoor unit of an air conditioner, including:
a processor;
a memory for storing processor-executable instructions;
wherein the processor is configured to execute the executable instructions to implement the control method of the air conditioner outdoor unit provided by the second aspect of the disclosure.
According to a seventh aspect of the embodiments of the present disclosure, there is provided a non-transitory computer-readable storage medium having stored thereon computer program instructions, which when executed by a processor, implement the steps of the control method of the air conditioning outdoor unit provided by the first aspect of the present disclosure or the second aspect of the present disclosure.
The technical scheme provided by the embodiment of the disclosure can have the following beneficial effects:
through the technical scheme, when the outdoor unit receives a shutdown instruction of the indoor unit, the outdoor unit controls the electronic expansion valve to move from the current position to the reference position of the electronic expansion valve, wherein the reference position represents the standby opening degree of the electronic expansion valve. Therefore, the electronic expansion valve can be positioned at the standby opening degree before the outdoor unit is powered off, the electronic expansion valve is ensured to start to act by taking the reference position as the initial position when the outdoor unit is powered on next time, the starting time of the air conditioner is shortened, the quick refrigeration or heating of the air conditioner is realized, and the use experience of a user is improved.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the disclosure.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present disclosure and together with the description, serve to explain the principles of the disclosure.
Fig. 1 is an application scenario diagram of a control method of an air conditioner outdoor unit according to an exemplary embodiment of the present disclosure;
fig. 2 is a flowchart illustrating a method for controlling an outdoor unit of an air conditioner according to an exemplary embodiment of the present disclosure;
fig. 3 is a flowchart illustrating a method for controlling an outdoor unit of an air conditioner according to an exemplary embodiment of the present disclosure;
fig. 4 is a diagram illustrating signaling interaction between an outdoor unit and an indoor unit when a control method of an outdoor unit of an air conditioner according to an embodiment is implemented;
fig. 5 is a diagram illustrating signaling interaction between an outdoor unit and an indoor unit when a control method of an outdoor unit of an air conditioner according to an embodiment of the present disclosure is implemented;
fig. 6 is a diagram illustrating signaling interaction between an outdoor unit and an indoor unit when a control method of an outdoor unit of an air conditioner according to an embodiment is implemented;
fig. 7 is a diagram illustrating signaling interaction between an outdoor unit and an indoor unit when a control method of an outdoor unit of an air conditioner according to an embodiment is implemented;
fig. 8 is a diagram illustrating signaling interaction between an outdoor unit and an indoor unit when a control method of an outdoor unit of an air conditioner provided by the present disclosure is implemented, according to an embodiment;
fig. 9 is a block diagram of a control apparatus of an outdoor unit of an air conditioner according to an exemplary embodiment of the present disclosure;
fig. 10 is a block diagram of a control apparatus of an outdoor unit of an air conditioner according to an exemplary embodiment of the present disclosure;
fig. 11 is a block diagram of a control apparatus of an outdoor unit of an air conditioner according to an exemplary embodiment of the present disclosure;
fig. 12 is a block diagram of a control apparatus of an outdoor unit of an air conditioner according to an exemplary embodiment of the present disclosure.
Detailed Description
Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The implementations described in the exemplary embodiments below do not represent all implementations consistent with the present disclosure. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the present disclosure, as detailed in the appended claims.
Fig. 1 is an application scenario diagram of a control method of an air conditioner outdoor unit according to an exemplary embodiment of the present disclosure. As shown in fig. 1, the air conditioner may include an indoor unit 101 and an outdoor unit 102. The indoor unit 101 may establish a communication connection with the outdoor unit 102 to implement information interaction, signaling control, and the like between the two. For example, the indoor unit 101 may include an indoor unit controller, such as an indoor unit micro control unit MCU, and the outdoor unit 102 may include an outdoor unit controller, such as an outdoor unit micro control unit MCU. The indoor unit controller and the outdoor unit controller can be communicatively coupled to each other, so as to realize transmission of signals and data between the indoor unit 101 and the outdoor unit 102. The outdoor unit 102 further includes a compressor and an electronic expansion valve for controlling a flow rate of the refrigerant.
At present, when the outdoor unit is powered on each time, the electronic expansion valve is controlled to execute a reset process so as to ensure the normal operation of the electronic expansion valve. Wherein, the reset process of the electronic expansion valve comprises the following steps:
when the outdoor unit is last powered off, the electronic expansion valve is moved from the position where the electronic expansion valve stays to the fully closed position (i.e., 0 degree of opening), and then, is moved from the fully closed position to the reference position (i.e., the optimum waiting position before the air conditioner starts operating, i.e., the standby degree of opening). After the electronic expansion valve operates to the reference position, the compressor in the outdoor unit can be started, and the air conditioner starts to refrigerate or heat. However, in the above process, it usually takes several tens of seconds to complete the resetting process, which affects the cooling or heating speed of the air conditioner, and further reduces the user experience.
When the air conditioner is in a normal working state, the electronic expansion valve continuously moves to a proper position (namely, a proper opening degree), the flow rate of a refrigerant is controlled to realize the refrigeration or heating of the air conditioner, and the current position of the electronic expansion valve is often larger than the reference position in the working process of the electronic expansion valve. When the outdoor unit is powered off, the electronic expansion valve stops working immediately, stays at the current position, waits for the next powering on of the outdoor unit, and executes a resetting process.
In order to solve this problem, the present disclosure provides a control method of an outdoor unit of an air conditioner.
Fig. 2 is a flowchart illustrating a method of controlling an outdoor unit of an air conditioner according to an exemplary embodiment. The method may be applied to an outdoor unit, such as the outdoor unit 102 shown in fig. 1, and for example, the method may be applied to an outdoor unit controller in the outdoor unit 102. As shown in fig. 2, the method may include steps S201 to S202.
And S201, responding to a shutdown instruction sent by the indoor unit, and controlling an electronic expansion valve in the outdoor unit to move from a current position to a reference position.
Wherein the reference position represents a standby opening degree of the electronic expansion valve.
For example, the reference position may be determined through experiments related to an electronic expansion valve of an air conditioner, and the standby opening degree is an optimal waiting position of the air conditioner before starting operation. Before shutdown, the air conditioner is in a normal working state, the electronic expansion valve can continuously act to a proper position, and in the process, the current position of the electronic expansion valve is always larger than the reference position. The user can input the shutdown instruction through the air conditioner remote controller or the control panel of the air conditioner. After receiving a shutdown instruction input by a user, an indoor unit of the air conditioner sends the shutdown instruction to an outdoor unit. Alternatively, the indoor unit may determine itself whether to shut down, such as based on current environmental parameters (including but not limited to ambient temperature), or based on a set timing that defines a maximum length of time for which the air conditioner is operating. And when the indoor unit automatically determines to shut down, automatically sending a shutdown instruction to the indoor unit. After the outdoor unit receives a shutdown instruction, the electronic expansion valve does not control the flow of the refrigerant any more, but acts from the current position to the reference position. Therefore, the electronic expansion valve can be ensured to start to act by taking the reference position as the initial position when the outdoor unit is electrified next time, so that the starting time of the air conditioner is shortened, the quick refrigeration or heating of the air conditioner is realized, and the use experience of a user is improved.
And S202, sending a power-off request to the indoor unit to power off the outdoor unit.
For example, the indoor unit may control the power on or off of the outdoor unit by controlling the state of the power supply relay. After the outdoor unit responds to the shutdown instruction and controls the electronic expansion valve to act to the reference position, the outdoor unit can send a power-off request to the indoor unit. When the indoor unit receives the power-off request, the state of the power supply relay can be controlled to control the power supply loop of the outdoor unit to be switched from a conducting state to a disconnecting state so as to power off the outdoor unit.
Fig. 3 is a flowchart illustrating a method of controlling an outdoor unit of an air conditioner according to an exemplary embodiment. The method can be applied to an indoor unit, such as the indoor unit 101 shown in fig. 1, and can be applied to an indoor unit controller in the indoor unit 101. As shown in fig. 3, the method may include steps S301 to S302.
S301, sending a shutdown command to the outdoor unit to enable the electronic expansion valve in the outdoor unit to move from a current position to a reference position, where the reference position represents a standby opening of the electronic expansion valve.
For example, the indoor unit may send a shutdown instruction to the outdoor unit after receiving the shutdown instruction input by the user. Or, the indoor unit may determine whether to shut down the air conditioner according to the environmental parameters, the set timing, and other information, and send a shutdown instruction to the outdoor unit when determining to shut down the air conditioner.
And S302, controlling the outdoor unit to power off in response to the power off request sent by the outdoor unit.
For example, when the indoor unit receives a power-off request, the indoor unit may control the power supply circuit of the outdoor unit to be switched from the on state to the off state by controlling the state of the power supply relay, so as to power off the outdoor unit.
Through the technical scheme, when the outdoor unit receives a shutdown instruction of the indoor unit, the outdoor unit controls the electronic expansion valve to move from the current position to the reference position of the electronic expansion valve, wherein the reference position represents the standby opening degree of the electronic expansion valve. Therefore, the electronic expansion valve can be positioned at the standby opening degree before the outdoor unit is powered off, the electronic expansion valve is ensured to start to act by taking the reference position as the initial position when the outdoor unit is powered on next time, the starting time of the air conditioner is shortened, the quick refrigeration or heating of the air conditioner is realized, and the use experience of a user is improved.
Fig. 4 shows a signaling interaction diagram between an outdoor unit and an indoor unit when a control method of an outdoor unit of an air conditioner according to an embodiment is implemented. The steps shown in fig. 4 are identical to those described above in connection with fig. 2 and 3 and will not be described again here.
Fig. 5 is a diagram illustrating signaling interaction between an outdoor unit and an indoor unit when a method for controlling an outdoor unit of an air conditioner according to another embodiment of the present disclosure is implemented. As shown in fig. 5, the control method of the outdoor unit of the air conditioner may further include steps S401 to S404.
S401, the indoor unit responds to the starting instruction and controls the outdoor unit to be electrified.
For example, the user may input a power-on command of the outdoor unit through a remote controller of the air conditioner or a control panel of the air conditioner. After an indoor unit of the air conditioner receives a starting-up instruction input by a user, the state of a power supply relay is controlled to control a power supply loop between the outdoor unit and the indoor unit to be switched into a conducting state from a disconnecting state, so that the outdoor unit is electrified.
Alternatively, the indoor unit may determine whether to control the outdoor unit to be powered on by itself, such as according to current environmental parameters (including but not limited to ambient temperature), or according to a set timing defining a starting time for the operation of the air conditioner. And when the indoor unit automatically determines that the outdoor unit needs to be electrified, the outdoor unit is automatically controlled to be electrified.
S402, the indoor unit and the outdoor unit are in communication connection.
For example, after the outdoor unit is powered on, the indoor unit may send a handshake signal to the outdoor unit, and after the outdoor unit receives the handshake signal, the outdoor unit may send a handshake reply signal to the indoor unit, so as to establish a communication connection between the indoor unit and the outdoor unit.
And S403, the indoor unit sends an opening control command to the outdoor unit.
After the indoor unit and the outdoor unit successfully establish communication connection, the indoor unit sends an opening control instruction to the outdoor unit. For example, the opening degree control command may include target position information, wherein the target position information may be determined by the indoor unit according to an environmental parameter (including but not limited to an environmental temperature) and an air conditioner operation mode. For example, the ambient temperature may be obtained by a temperature sensor, the air conditioning operation mode may be selected by a user through an air conditioning remote controller or a control panel of the air conditioner, and the air conditioning operation mode may be any one of a cooling mode, a heating mode, a sleep mode, a dehumidification mode, and the like. The corresponding relation among the environment temperature, the air conditioner working mode and the target position of the electronic expansion valve can be determined according to the opening degree test of the air conditioner electronic expansion valve, and different temperature intervals correspond to different target positions of the electronic expansion valve under different air conditioner working modes. Taking the air conditioner in the refrigeration mode as an example, through an opening test of the electronic expansion valve of the air conditioner, it is determined that if the air conditioner is in the refrigeration mode and the ambient temperature is less than 20 ℃, the target position of the electronic expansion valve is a position a, and if the air conditioner is in the refrigeration mode and the ambient temperature is not less than 20 ℃, the target position of the electronic expansion valve is a position B. When the air conditioner is actually operated, if the air conditioner is in a refrigeration mode and the ambient temperature is 21 ℃, the target position of the electronic expansion valve can be determined to be the position B. Therefore, the target position of the electronic expansion valve can be adapted to the ambient temperature and the working state of the air conditioner.
And S404, the outdoor unit controls the electronic expansion valve to move from the reference position to the target position indicated by the opening control command.
After receiving the opening control command, the outdoor unit controls the electronic expansion valve to move from the reference position to the target position so as to enable the air conditioner to normally work.
Fig. 6 is a diagram illustrating signaling interaction between an outdoor unit and an indoor unit when a method for controlling an outdoor unit of an air conditioner according to another embodiment of the present disclosure is implemented. As shown in fig. 6, the control method of the outdoor unit of the air conditioner may further include steps S405 to S408.
S405, under the condition that the communication connection with the outdoor unit is successfully established, the indoor unit determines whether the communication connection is the first communication connection with the outdoor unit after the indoor unit is powered off last time.
For example, during the power-on period of the indoor unit, the indoor unit can control the power-on and power-off of the outdoor unit for multiple times, and the indoor unit and the outdoor unit can establish communication connection through the handshake signal every time the outdoor unit is powered on again. After the indoor unit is powered on every time, information of establishing communication connection with the outdoor unit every time after the indoor unit is powered off last time is generated, so that follow-up inquiry is facilitated. After the indoor unit is successfully connected with the outdoor unit in a communication mode, whether the communication connection is the first communication connection between the indoor unit and the outdoor unit after the indoor unit is powered off last time or not can be determined by inquiring the stored information that the communication connection is established between the indoor unit and the outdoor unit each time after the indoor unit is powered off last time.
And S406, if the communication connection is determined to be the first communication connection between the indoor unit and the outdoor unit after the indoor unit is powered off last time, the indoor unit sends a reset instruction to the outdoor unit.
And S407, the outdoor unit controls the electronic expansion valve to execute a reset process.
And S408, the outdoor unit sends reset completion information to the indoor unit.
After that, step S403 and step S404 are executed.
Illustratively, if the communication connection is the first communication connection between the indoor unit and the outdoor unit, the indoor unit sends a reset instruction to the outdoor unit to initiate a reset process of the electronic expansion valve. After receiving the reset command, the outdoor unit can control the electronic expansion valve to execute a reset process. After the reset process is performed, the electronic expansion valve is in the reference position. In the long-term operation process of the air conditioner, if the valve position difference accumulation of the electronic expansion valve exceeds a certain degree, the circulation of the air conditioner refrigerant is seriously insufficient or seriously excessive, and the normal operation of the air conditioner is influenced. Therefore, the electronic expansion valve is reset, the accumulation of the difference of the valve positions of the electronic expansion valve can be avoided, and the accuracy of the opening adjustment of the electronic expansion valve is ensured, so that the normal operation of the air conditioner is ensured. And after the electronic expansion valve executes the resetting process, sending resetting completion information to the indoor unit.
If the communication connection is not the first communication connection between the indoor unit and the outdoor unit, the indoor unit may directly perform step S403.
Therefore, compared with the situation that the electronic expansion valve executes the resetting process when the outdoor unit is powered on every time, the technical scheme provided by the disclosure can effectively shorten the starting time of the air conditioner, realize quick refrigeration or heating of the air conditioner and improve the use experience of users.
Fig. 7 is a diagram illustrating signaling interaction between an outdoor unit and an indoor unit when a method for controlling an outdoor unit of an air conditioner according to another embodiment of the present disclosure is implemented. As shown in fig. 7, the control method of the outdoor unit of the air conditioner may further include steps S409, S410, and S408.
S409, when the outdoor unit is powered on and the communication connection with the indoor unit is successfully established, the outdoor unit determines whether a handshake signal sent by the indoor unit is received.
And S410, under the condition that the handshake signals sent by the indoor unit are not determined to be received, the outdoor unit controls the electronic expansion valve to execute a resetting process.
And S408, the outdoor unit sends reset completion information to the indoor unit.
After that, step S403 and step S404 are executed.
For example, during the operation of the outdoor unit, the outdoor unit may be restarted due to interference of other signals, so as to avoid the situation that the outdoor unit cannot normally operate (i.e., the outdoor unit is abnormally reset). Before the outdoor unit is abnormally reset, the indoor unit and the outdoor unit are already in communication connection through the handshaking signals, after the outdoor unit is abnormally reset, the outdoor unit and the indoor unit can be in direct normal communication, and the communication connection does not need to be established through the handshaking signals again. After the indoor unit controls the outdoor unit to be powered on, the indoor unit sends a handshake signal to the outdoor unit to establish communication connection between the indoor unit and the outdoor unit, so that after the outdoor unit is abnormally reset, the indoor unit does not send the handshake signal to the outdoor unit again. Therefore, under the condition that the outdoor unit is powered on and the communication connection with the indoor unit is successfully established currently, if the outdoor unit does not receive the handshake signal sent by the indoor unit, the outdoor unit can determine that the outdoor unit is abnormally reset. And then, the outdoor unit controls the electronic expansion valve to execute a reset process, so that the problem that the reference position of the electronic expansion valve cannot be accurately found due to abnormal reset of the outdoor unit can be avoided, and the accuracy of opening adjustment of the electronic expansion valve is ensured.
Fig. 8 is a diagram illustrating signaling interaction between an outdoor unit and an indoor unit when a method for controlling an outdoor unit of an air conditioner according to another embodiment of the present disclosure is implemented. As shown in fig. 8, the control method of the outdoor unit of the air conditioner may further include steps S411, S412, S407, and S408.
S411, the indoor unit determines the accumulated power-off times of the outdoor unit after the electronic expansion valve executes resetting last time.
And S412, if the accumulated power failure times reach a preset power failure time threshold, the indoor unit sends a reset instruction to the outdoor unit.
And S407, the outdoor unit controls the electronic expansion valve to execute a reset process.
And S408, the outdoor unit sends reset completion information to the indoor unit.
After that, step S302 is executed.
Illustratively, the preset power-off number threshold may be set by a person skilled in the art according to relevant experience, and may be set to 50, for example. After the electronic expansion valve executes the reset process every time, the indoor unit can accumulate the accumulated power-off times of the outdoor unit again. For example, the indoor unit may determine the accumulated power-off number of the outdoor unit according to the number of state changes of the power supply relay.
For example, if the accumulated power-off number of the outdoor unit is 20, it indicates that the used degree of the electronic expansion valve is within a reasonable range after the electronic expansion valve is reset last time, and the valve step deviation of the electronic expansion valve is not caused by continuous use, so that the electronic expansion valve is not required to be reset, the time required by the stop operation of the air conditioner is shortened, and the use experience of a user is improved. If the accumulated power-off frequency of the outdoor unit is 50, it indicates that the used degree of the electronic expansion valve is about to exceed a reasonable range after the electronic expansion valve is reset last time, and if the electronic expansion valve continues to operate without executing the reset process, the valve step deviation of the electronic expansion valve may be caused, and the accuracy of the opening adjustment of the electronic expansion valve is further reduced, so that the electronic expansion valve can be controlled to execute the reset process to ensure the accuracy of the opening adjustment of the electronic expansion valve.
Based on the same invention concept, the disclosure also provides a control device of the air conditioner outdoor unit. Fig. 9 is a block diagram of a control apparatus of an outdoor unit of an air conditioner according to an exemplary embodiment of the present disclosure. Referring to fig. 9, the control apparatus 900 of the outdoor unit of the air conditioner may include:
a first control module 901, configured to control an electronic expansion valve in an outdoor unit to move from a current position to a reference position in response to a shutdown instruction sent by an indoor unit, where the reference position represents a standby opening of the electronic expansion valve;
a first sending module 902, configured to send a power-off request to the indoor unit, so as to power off the outdoor unit.
Through the technical scheme, when the outdoor unit receives a shutdown instruction of the indoor unit, the outdoor unit controls the electronic expansion valve to move from the current position to the reference position of the electronic expansion valve, wherein the reference position represents the standby opening degree of the electronic expansion valve. Therefore, the electronic expansion valve can be positioned at the standby opening degree before the outdoor unit is powered off, the electronic expansion valve is ensured to start to act by taking the reference position as the initial position when the outdoor unit is powered on next time, the starting time of the air conditioner is shortened, the quick refrigeration or heating of the air conditioner is realized, and the use experience of a user is improved.
Optionally, the first control module 901 is further configured to, in response to an opening degree control instruction sent by the indoor unit, control the electronic expansion valve to move from the reference position to a target position indicated by the opening degree control instruction.
Optionally, the first control module 901 is further configured to control the electronic expansion valve to execute a reset process in response to a reset instruction sent by the indoor unit, where after the reset process is executed, the electronic expansion valve is located at the reference position.
Optionally, the first control module 901 is further configured to control the electronic expansion valve to execute a reset process if the handshake signal sent by the indoor unit is not received after the outdoor unit is powered on and a communication connection is successfully established with the indoor unit currently.
Optionally, the first sending module 902 is further configured to send a reset completion message to the indoor unit after the electronic expansion valve executes the reset process.
Based on the same invention concept, the disclosure also provides a control device of the air conditioner outdoor unit. Fig. 10 is a block diagram of a control apparatus of an outdoor unit of an air conditioner according to an exemplary embodiment of the present disclosure. Referring to fig. 10, the control apparatus 1000 of the outdoor unit of the air conditioner may include:
a second sending module 1001, configured to send a shutdown instruction to the outdoor unit, so that an electronic expansion valve in the outdoor unit moves from a current position to a reference position, where the reference position represents a standby opening degree of the electronic expansion valve;
the second control module 1002 is configured to control the outdoor unit to power off in response to a power off request sent by the outdoor unit.
Through the technical scheme, when the outdoor unit receives a shutdown instruction of the indoor unit, the outdoor unit controls the electronic expansion valve to move from the current position to the reference position of the electronic expansion valve, wherein the reference position represents the standby opening degree of the electronic expansion valve. Therefore, the electronic expansion valve can be positioned at the standby opening degree before the outdoor unit is powered off, the electronic expansion valve is ensured to start to act by taking the reference position as the initial position when the outdoor unit is powered on next time, the starting time of the air conditioner is shortened, the quick refrigeration or heating of the air conditioner is realized, and the use experience of a user is improved.
Optionally, the second control module 1002 is further configured to control the outdoor unit to be powered on in response to a power-on instruction;
the control device 1000 further includes a communication connection module, configured to establish communication connection with the outdoor unit;
the second sending module 1001 is further configured to send an opening control instruction to the outdoor unit after the communication connection with the outdoor unit is successfully established, where the opening control instruction is used to instruct the electronic expansion valve to move from the reference position to a target position.
Optionally, the second sending module 1001 is further configured to, after a communication connection is successfully established with the outdoor unit, send a reset instruction to the outdoor unit to control the electronic expansion valve to execute a reset process if the communication connection is the first communication connection with the outdoor unit after the indoor unit is powered off last time, where after the reset process is executed, the electronic expansion valve is in the reference position;
the second sending module 1001 is further configured to send an opening degree control instruction to the outdoor unit after receiving the reset completion information sent by the outdoor unit.
Optionally, the control device 1000 further includes:
the first determining module is used for responding to a power-off request sent by the outdoor unit and determining the accumulated power-off times of the outdoor unit after the electronic expansion valve executes resetting last time;
the second sending module 1001 is further configured to send a reset instruction to the outdoor unit to control the electronic expansion valve to execute a reset process if the accumulated power failure times reaches a preset power failure time threshold, where after the reset process is executed, the electronic expansion valve is located at the reference position;
the second control module 1002 is further configured to control the outdoor unit to power off after receiving the reset completion information sent by the outdoor unit.
With regard to the apparatus in the above-described embodiment, the specific manner in which each module performs the operation has been described in detail in the embodiment related to the method, and will not be elaborated here.
Fig. 11 is a block diagram of a control apparatus 1100 of an outdoor unit of an air conditioner according to an exemplary embodiment of the present disclosure. Referring to fig. 11, the control apparatus 1100 of the outdoor unit of the air conditioner may include one or more of the following components: a processing component 1102, a memory 1104, a power component 1106, an input/output (I/O) interface 1112, a sensor component 1114, and a communication component 1116.
The processing unit 1102 generally controls the overall operation of the control device 1100 of the outdoor unit of the air conditioner. The processing component 1102 may include one or more processors 1120 to execute instructions to perform all or part of the steps of the control method applied to the outdoor unit of the air conditioner. Further, the processing component 1102 may include one or more modules that facilitate interaction between the processing component 1102 and other components.
The memory 1104 is configured to store various types of data to support operations at the apparatus 1100. Examples of such data include instructions, messages, etc. for any application or method operating on the device 1100. The memory 1104 may be implemented by any type or combination of volatile or non-volatile memory devices such as Static Random Access Memory (SRAM), electrically erasable programmable read-only memory (EEPROM), erasable programmable read-only memory (EPROM), programmable read-only memory (PROM), read-only memory (ROM), magnetic memory, flash memory, magnetic or optical disks.
The I/O interface 1112 provides an interface between the processing component 1102 and peripheral interface modules, which may be keyboards, click wheels, buttons, etc.
The sensor assembly 1114 includes one or more sensors for providing various aspects of state assessment for the apparatus 1100.
The communication component 1116 is configured to facilitate wired or wireless communication between the apparatus 1100 and other devices. The apparatus 1100 may access a wireless network based on a communication standard, such as WiFi, 2G or 3G, or a combination thereof. In an exemplary embodiment, the communication component 1116 also includes a Near Field Communication (NFC) module to facilitate short-range communications. For example, the NFC module may be implemented based on Radio Frequency Identification (RFID) technology, infrared data association (IrDA) technology, Ultra Wideband (UWB) technology, Bluetooth (BT) technology, and other technologies.
In an exemplary embodiment, the apparatus 1100 may be implemented by one or more Application Specific Integrated Circuits (ASICs), Digital Signal Processors (DSPs), Digital Signal Processing Devices (DSPDs), Programmable Logic Devices (PLDs), Field Programmable Gate Arrays (FPGAs), controllers, micro-controllers, microprocessors or other electronic components, for performing the above-described control method applied to an air conditioner outdoor unit of an outdoor unit.
In an exemplary embodiment, a non-transitory computer readable storage medium including instructions, such as the memory 1104 including instructions, which are executable by the processor 1120 of the apparatus 1100 to perform the above-described control method applied to the outdoor unit of the air conditioner is also provided. For example, the non-transitory computer readable storage medium may be a ROM, a Random Access Memory (RAM), a CD-ROM, a magnetic tape, a floppy disk, an optical data storage device, and the like.
In another exemplary embodiment, there is also provided a computer program product including a computer program executable by a programmable device, the computer program having code sections for performing the above-mentioned control method of the air conditioner outdoor unit when being executed by the programmable device.
Fig. 12 is a block diagram of a control apparatus 1200 of an outdoor unit of an air conditioner according to an exemplary embodiment of the present disclosure. Referring to fig. 12, the control apparatus 1200 of the outdoor unit of the air conditioner may include one or more of the following components: a processing component 1202, a memory 1204, a power component 1206, an input/output (I/O) interface 1212, a sensor component 1214, and a communications component 1216.
The processing unit 1202 generally controls the overall operation of the control device 1200 of the outdoor unit of the air conditioner. The processing component 1202 may include one or more processors 1220 to execute instructions to complete all or part of the steps of the control method applied to the outdoor unit of the indoor unit. Further, the processing component 1202 can include one or more modules that facilitate interaction between the processing component 1202 and other components.
The memory 1204 is configured to store various types of data to support operation at the apparatus 1200. Examples of such data include instructions, messages, etc. for any application or method operating on the apparatus 1200. The memory 1204 may be implemented by any type or combination of volatile or non-volatile memory devices such as Static Random Access Memory (SRAM), electrically erasable programmable read-only memory (EEPROM), erasable programmable read-only memory (EPROM), programmable read-only memory (PROM), read-only memory (ROM), magnetic memory, flash memory, magnetic or optical disks.
A power component 1206 provides power to the various components of the device 1200. Power components 1206 may include a power management system, one or more power sources, and other components associated with generating, managing, and distributing power for apparatus 1200.
The I/O interface 1212 provides an interface between the processing component 1202 and peripheral interface modules, which may be keyboards, click wheels, buttons, etc.
The sensor assembly 1214 includes one or more sensors for providing various aspects of state assessment for the apparatus 1200.
The communications component 1216 is configured to facilitate communications between the apparatus 1200 and other devices in a wired or wireless manner. The apparatus 1200 may access a wireless network based on a communication standard, such as WiFi, 2G or 3G, or a combination thereof. In an exemplary embodiment, the communications component 1216 further includes a Near Field Communication (NFC) module to facilitate short-range communications. For example, the NFC module may be implemented based on Radio Frequency Identification (RFID) technology, infrared data association (IrDA) technology, Ultra Wideband (UWB) technology, Bluetooth (BT) technology, and other technologies.
In an exemplary embodiment, the apparatus 1200 may be implemented by one or more Application Specific Integrated Circuits (ASICs), Digital Signal Processors (DSPs), Digital Signal Processing Devices (DSPDs), Programmable Logic Devices (PLDs), Field Programmable Gate Arrays (FPGAs), controllers, micro-controllers, microprocessors or other electronic components, for performing the above-described control method applied to the air conditioner outdoor unit of the indoor unit.
In an exemplary embodiment, a non-transitory computer readable storage medium including instructions, such as the memory 1204 including instructions, which are executable by the processor 1220 of the apparatus 1200, to implement the above-described control method applied to the outdoor unit of the indoor unit of the air conditioner is also provided. For example, the non-transitory computer readable storage medium may be a ROM, a Random Access Memory (RAM), a CD-ROM, a magnetic tape, a floppy disk, an optical data storage device, and the like.
In another exemplary embodiment, there is also provided a computer program product including a computer program executable by a programmable device, the computer program having code portions for performing the above-described control method applied to an air conditioner outdoor unit of an indoor unit when the computer program is executed by the programmable device.
Other embodiments of the disclosure will be apparent to those skilled in the art from consideration of the specification and practice of the disclosure. This application is intended to cover any variations, uses, or adaptations of the disclosure following, in general, the principles of the disclosure and including such departures from the present disclosure as come within known or customary practice within the art to which the disclosure pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the disclosure being indicated by the following claims.
It will be understood that the present disclosure is not limited to the precise arrangements 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 (12)
1. A control method of an air conditioner outdoor unit is characterized by comprising the following steps:
responding to a shutdown instruction sent by an indoor unit, and controlling an electronic expansion valve in the outdoor unit to move from a current position to a reference position, wherein the reference position represents a standby opening degree of the electronic expansion valve;
and sending a power-off request to the indoor unit so as to power off the outdoor unit.
2. The method of claim 1, further comprising:
and responding to an opening control command sent by the indoor unit, and controlling the electronic expansion valve to move from the reference position to a target position indicated by the opening control command.
3. The method of claim 1, further comprising:
and responding to a reset instruction sent by the indoor unit, and controlling the electronic expansion valve to execute a reset process, wherein after the reset process is executed, the electronic expansion valve is positioned at the reference position.
4. The method of claim 1, further comprising:
and if the outdoor unit does not receive the handshake signals sent by the indoor unit after being electrified and the communication connection with the indoor unit is successfully established currently, controlling the electronic expansion valve to execute a resetting process.
5. The method of claim 3 or 4, further comprising:
and after the electronic expansion valve executes the resetting process, sending resetting completion information to the indoor unit.
6. A control method of an air conditioner outdoor unit is characterized by comprising the following steps:
sending a shutdown instruction to the outdoor unit to enable an electronic expansion valve in the outdoor unit to act from a current position to a reference position, wherein the reference position represents a standby opening degree of the electronic expansion valve;
and controlling the outdoor unit to power off in response to a power-off request sent by the outdoor unit.
7. The method of claim 6, further comprising:
responding to a starting instruction, and controlling the outdoor unit to be powered on;
establishing communication connection with the outdoor unit;
and after the communication connection with the outdoor unit is successfully established, an opening degree control instruction is sent to the outdoor unit, wherein the opening degree control instruction is used for indicating the electronic expansion valve to move from the reference position to a target position.
8. The method of claim 7, wherein before the step of sending the opening degree control command to the outdoor unit, the method further comprises:
after communication connection is successfully established with the outdoor unit, if the communication connection is the first communication connection between the indoor unit and the outdoor unit after last power-off, a reset instruction is sent to the outdoor unit to control the electronic expansion valve to execute a reset process, wherein the electronic expansion valve is in the reference position after the reset process is executed;
and after receiving the reset completion information sent by the outdoor unit, executing the step of sending an opening control instruction to the outdoor unit.
9. The method of claim 6, wherein before controlling the outdoor unit to be powered off, the method further comprises:
responding to a power failure request sent by the outdoor unit, and determining the accumulated power failure times of the outdoor unit after the electronic expansion valve executes resetting last time;
if the accumulated power failure times reach a preset power failure time threshold value, sending a reset instruction to the outdoor unit to control the electronic expansion valve to execute a reset process, wherein the electronic expansion valve is located at the reference position after the reset process is executed;
and after the reset completion information sent by the outdoor unit is received, the step of controlling the outdoor unit to be powered off is executed.
10. A control device for an outdoor unit of an air conditioner, which executes the control method according to any one of claims 1 to 5, comprising:
the first control module is used for responding to a shutdown instruction sent by an indoor unit and controlling an electronic expansion valve in the outdoor unit to move from a current position to a reference position, wherein the reference position represents the standby opening degree of the electronic expansion valve;
and the first sending module is used for sending a power-off request to the indoor unit so as to power off the outdoor unit.
11. A control device for an outdoor unit of an air conditioner, which executes the control method according to any one of claims 6 to 9, comprising:
the second sending module is used for sending a shutdown instruction to the outdoor unit so as to enable an electronic expansion valve in the outdoor unit to move from a current position to a reference position, wherein the reference position represents a standby opening degree of the electronic expansion valve;
and the second control module is used for responding to a power-off request sent by the outdoor unit and controlling the outdoor unit to be powered off.
12. A computer-readable storage medium, on which computer program instructions are stored, which program instructions, when executed by a processor, carry out the steps of the method of any one of claims 1 to 5, or carry out the steps of the method of any one of claims 6 to 9.
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| CN202210106859.5A CN114427734A (en) | 2022-01-28 | 2022-01-28 | Control method and device for air conditioner outdoor unit and storage medium |
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| CN202210106859.5A CN114427734A (en) | 2022-01-28 | 2022-01-28 | Control method and device for air conditioner outdoor unit and storage medium |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104422061A (en) * | 2013-08-21 | 2015-03-18 | 广东美的制冷设备有限公司 | Air conditioner and quick start method thereof |
| CN105783350A (en) * | 2014-12-16 | 2016-07-20 | 青岛海尔空调器有限总公司 | Control method and device for air conditioner electronic expansion valve |
| CN106556099A (en) * | 2015-09-25 | 2017-04-05 | 约克广州空调冷冻设备有限公司 | The control method of the electric expansion valve of the indoor set of multi-online air-conditioning system |
| US20180195754A1 (en) * | 2016-03-23 | 2018-07-12 | Hangzhou Sanhua Research Institute Co., Ltd. | Heat exchange system, air conditioning control system, and air conditioning system control method |
| CN110822615A (en) * | 2018-08-10 | 2020-02-21 | 青岛海尔空调电子有限公司 | Method and device for controlling expansion valve in multi-connected air conditioning system and storage medium |
-
2022
- 2022-01-28 CN CN202210106859.5A patent/CN114427734A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104422061A (en) * | 2013-08-21 | 2015-03-18 | 广东美的制冷设备有限公司 | Air conditioner and quick start method thereof |
| CN105783350A (en) * | 2014-12-16 | 2016-07-20 | 青岛海尔空调器有限总公司 | Control method and device for air conditioner electronic expansion valve |
| CN106556099A (en) * | 2015-09-25 | 2017-04-05 | 约克广州空调冷冻设备有限公司 | The control method of the electric expansion valve of the indoor set of multi-online air-conditioning system |
| US20180195754A1 (en) * | 2016-03-23 | 2018-07-12 | Hangzhou Sanhua Research Institute Co., Ltd. | Heat exchange system, air conditioning control system, and air conditioning system control method |
| CN110822615A (en) * | 2018-08-10 | 2020-02-21 | 青岛海尔空调电子有限公司 | Method and device for controlling expansion valve in multi-connected air conditioning system and storage medium |
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