CN107152767B - Control method and device of air conditioner and computer readable storage medium - Google Patents
Control method and device of air conditioner and computer readable storage medium Download PDFInfo
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- CN107152767B CN107152767B CN201710441523.3A CN201710441523A CN107152767B CN 107152767 B CN107152767 B CN 107152767B CN 201710441523 A CN201710441523 A CN 201710441523A CN 107152767 B CN107152767 B CN 107152767B
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B49/00—Arrangement or mounting of control or safety devices
- F25B49/02—Arrangement or mounting of control or safety devices for compression type machines, plants or systems
- F25B49/022—Compressor control arrangements
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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
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/24—Means for preventing or suppressing noise
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B41/00—Fluid-circulation arrangements
- F25B41/30—Expansion means; Dispositions thereof
- F25B41/31—Expansion valves
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B49/00—Arrangement or mounting of control or safety devices
- F25B49/02—Arrangement or mounting of control or safety devices for compression type machines, plants or systems
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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
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/24—Means for preventing or suppressing noise
- F24F2013/247—Active noise-suppression
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
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- General Engineering & Computer Science (AREA)
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- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The invention discloses a control method of an air conditioner, which comprises the following steps: when a shutdown instruction is received, controlling a compressor of an air conditioner external unit to shut down and starting timing, wherein an electronic expansion valve of the air conditioner internal unit is in an open state, and a fan of the air conditioner internal unit is in a running state; when the timing reaches a first preset time length, controlling the electronic expansion valve to close; when the timing reaches a second preset time length, controlling the fan to stop; the first preset time length is less than the second preset time length. The invention also discloses a control device of the air conditioner and a computer readable storage medium. The invention improves the use comfort of the air conditioner.
Description
Technical Field
The present invention relates to the field of air conditioners, and in particular, to a method and an apparatus for controlling an air conditioner, and a computer-readable storage medium.
Background
At present, when an air conditioner is turned off, in order to balance a refrigerant in the air conditioner, an electronic expansion valve of the air conditioner is generally controlled to maintain a current opening degree for a period of time, so that the refrigerant flows from a high pressure to a low pressure, thereby realizing refrigerant balance. However, since the refrigerant flow process generates a corresponding refrigerant impact noise, and the refrigerant impact noise is mostly a narrow-band noise, which is a sharp noise that is hard to be endured by users, the refrigerant impact noise causes the comfort level of the air conditioner to be poor.
Disclosure of Invention
The invention mainly aims to provide a control method and device of an air conditioner and a computer readable storage medium, and aims to solve the technical problem that the use comfort of the air conditioner is poor in the prior art.
In order to achieve the above object, the present invention provides a method for controlling an air conditioner, comprising the steps of:
when a shutdown instruction is received, controlling a compressor of an air conditioner external unit to shut down and starting timing, wherein an electronic expansion valve of the air conditioner internal unit is in an open state, and a fan of the air conditioner internal unit is in a running state;
when the timing reaches a first preset time length, controlling the electronic expansion valve to close;
when the timing reaches a second preset time length, controlling the fan to stop;
the first preset time length is less than the second preset time length.
Preferably, while the controlling of the compressor of the outdoor unit of the air conditioner is performed to stop and the timing step is started, the following steps are further performed:
and adjusting the opening degree of the electronic expansion valve to a first preset step value so as to control the electronic expansion valve to be in the maximum opening degree.
Preferably, while the controlling of the compressor of the outdoor unit of the air conditioner is performed to stop and the timing step is started, the following steps are further performed:
and adjusting the rotating speed of the fan to a preset rotating speed.
Preferably, the preset rotating speed is a rotating speed corresponding to the operation of the fan at a low wind gear.
Preferably, after the step of controlling the electronic expansion valve to close when the timing reaches the first preset time length, the method further includes:
and adjusting the opening degree of the electronic expansion valve to a second preset step value so as to control the electronic expansion valve to be in a standby state.
Preferably, the second preset step value is 300 steps.
Preferably, the value range of the first preset time is set to be 30-180 seconds.
Preferably, when the air conditioner is a multi-split air conditioner, the step of controlling the compressor of the external unit of the air conditioner to stop and start timing when the shutdown instruction is received includes:
when a shutdown instruction corresponding to one indoor unit of the multi-split air conditioner is received, judging whether other indoor units of the multi-split air conditioner are in a shutdown state;
and if other internal machines of the multi-split air conditioner are in a shutdown state, controlling the compressor of the multi-split air conditioner to shut down and starting timing.
In order to achieve the above object, the present invention also provides a control device for an air conditioner, including: a memory, a processor, and an air conditioner control program stored on the memory and executable on the processor, the air conditioner control program when executed by the processor implementing the steps of:
when a shutdown instruction is received, controlling a compressor of an air conditioner external unit to shut down and starting timing, wherein an electronic expansion valve of the air conditioner internal unit is in an open state, and a fan of the air conditioner internal unit is in a running state;
when the timing reaches a first preset time length, controlling the electronic expansion valve to close;
when the timing reaches a second preset time length, controlling the fan to stop;
the first preset time length is less than the second preset time length.
Further, to achieve the above object, the present invention also proposes a computer-readable storage medium having stored thereon an air conditioner control program which, when executed by a processor, realizes the steps of:
when a shutdown instruction is received, controlling a compressor of an air conditioner external unit to shut down and starting timing, wherein an electronic expansion valve of the air conditioner internal unit is in an open state, and a fan of the air conditioner internal unit is in a running state;
when the timing reaches a first preset time length, controlling the electronic expansion valve to close;
when the timing reaches a second preset time length, controlling the fan to stop;
the first preset time length is less than the second preset time length.
According to the scheme provided by the invention, when a user wants to shut down the air conditioner, corresponding shutdown operation is executed to trigger a shutdown instruction, and when the shutdown instruction is received, the compressor of the air conditioner external unit is controlled to be stopped and timing is started, at the moment, the electronic expansion valve of the air conditioner internal unit is still in an open state, the fan of the air conditioner internal unit is still in a running state, and the refrigerant in the air conditioner flows from high pressure to low pressure to realize balance, so that refrigerant impact noise and fan noise can be generated in the process; and when the timing reaches a first preset time length, controlling the electronic expansion valve to be closed, and then when the timing reaches a second preset time length (longer than the first preset time length), controlling the fan to stop until the refrigerant impact noise and the fan noise disappear. Because the fan noise does not look like refrigerant impulsive noise, the fan noise is the wide band noise that a user can accept, and the fan noise is greater than refrigerant impulsive noise, like this, refrigerant impulsive noise just is covered under the fan noise to avoid the user to hear sharp-pointed refrigerant impulsive noise, consequently, improved the use comfort level of air conditioner.
Drawings
FIG. 1 is a schematic diagram of an air conditioner in a hardware operating environment according to an embodiment of the present invention;
FIG. 2 is a flow chart illustrating a control method of an air conditioner according to a first embodiment of the present invention;
FIG. 3 is a detailed flowchart of step S10 when the air conditioner is a multi-split air conditioner according to the first embodiment of the method for controlling an air conditioner of the present invention;
fig. 4 is a flowchart illustrating a control method of an air conditioner according to a second embodiment of the present invention.
The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The solution of the embodiment of the invention is mainly as follows: when a user wants to shut down the air conditioner, corresponding shutdown operation is executed to trigger a shutdown instruction, when the shutdown instruction is received, a compressor of an outer machine of the air conditioner is controlled to shut down, timing is started, at the moment, an electronic expansion valve of the inner machine of the air conditioner is still in an open state, a fan of the inner machine of the air conditioner is still in a running state, refrigerant in the air conditioner flows from high pressure to low pressure to realize balance, and refrigerant impact noise and fan noise can be generated in the process; and when the timing reaches a first preset time length, controlling the electronic expansion valve to be closed, and then when the timing reaches a second preset time length (longer than the first preset time length), controlling the fan to stop until the refrigerant impact noise and the fan noise disappear. Because the fan noise does not look like refrigerant impulsive noise, the fan noise is the wide band noise that a user can accept, and the fan noise is greater than refrigerant impulsive noise, like this, refrigerant impulsive noise just is covered under the fan noise to avoid the user to hear sharp-pointed refrigerant impulsive noise. By the technical scheme of the embodiment of the invention, the problem of poor use comfort of the air conditioner caused by refrigerant impact noise is solved.
Referring to fig. 1, fig. 1 is a schematic structural diagram of an air conditioner in a hardware operating environment according to an embodiment of the present invention.
In the following description, suffixes such as "module", "component", or "unit" used to denote elements are used only for facilitating the explanation of the present invention, and have no specific meaning in itself. Thus, "module", "component" or "unit" may be used mixedly.
As shown in fig. 1, the air conditioner may include: a processor 1001, such as a CPU, a communication bus 1002, a user interface 1003, a network interface 1004, and a memory 1005. Wherein a communication bus 1002 is used to enable connective communication between these components. The user interface 1003 comprises a standard wireless interface, and the optional user interface 1003 may also comprise a standard wired interface. The network interface 1004 may optionally include a standard wired interface, a wireless interface (e.g., WI-FI interface). The memory 1005 may be a high-speed RAM memory or a non-volatile memory (e.g., a magnetic disk memory). The memory 1005 may alternatively be a storage device separate from the processor 1001.
Those skilled in the art will appreciate that the air conditioner configuration shown in fig. 1 is not intended to be limiting of the air conditioner and may include more or fewer components than shown, or some components may be combined, or a different arrangement of components.
As shown in fig. 1, a memory 1005, which is a kind of computer storage medium, may include therein an operating system, a network communication module, a user interface module, and an air conditioner control program.
The processor 1001 and the memory 1005 in the air conditioner of the present invention may be provided in a control device of the air conditioner which calls an air conditioner control program stored in the memory 1005 through the processor 1001 and performs the following operations:
when a shutdown instruction is received, controlling a compressor of an air conditioner external unit to shut down and starting timing, wherein an electronic expansion valve of the air conditioner internal unit is in an open state, and a fan of the air conditioner internal unit is in a running state;
when the timing reaches a first preset time length, controlling the electronic expansion valve to close;
when the timing reaches a second preset time length, controlling the fan to stop;
the first preset time length is less than the second preset time length.
Further, the processor 1001 may call the air conditioner control program stored in the memory 1005, and also perform the following operations:
and adjusting the opening degree of the electronic expansion valve to a first preset step value so as to control the electronic expansion valve to be in the maximum opening degree.
Further, the processor 1001 may call the air conditioner control program stored in the memory 1005, and also perform the following operations:
and adjusting the rotating speed of the fan to a preset rotating speed.
Further, the processor 1001 may call the air conditioner control program stored in the memory 1005, and also perform the following operations:
and adjusting the opening degree of the electronic expansion valve to a second preset step value so as to control the electronic expansion valve to be in a standby state.
Further, when the air conditioners are multiple on-line air conditioners, the processor 1001 may call the air conditioner control program stored in the memory 1005, and also perform the following operations:
when a shutdown instruction corresponding to one indoor unit of the multi-split air conditioner is received, judging whether other indoor units of the multi-split air conditioner are in a shutdown state;
and if other internal machines of the multi-split air conditioner are in a shutdown state, controlling the compressor of the multi-split air conditioner to shut down and starting timing.
According to the scheme, when a user wants to shut down the air conditioner, the corresponding shutdown operation is executed to trigger a shutdown instruction, when the shutdown instruction is received, the compressor of the air conditioner external unit is controlled to stop and start timing, at the moment, the electronic expansion valve of the air conditioner internal unit is still in an open state, the fan of the air conditioner internal unit is still in a running state, the refrigerant in the air conditioner flows from high pressure to low pressure to realize balance, and refrigerant impact noise and fan noise can be generated in the process; and when the timing reaches a first preset time length, controlling the electronic expansion valve to be closed, and then when the timing reaches a second preset time length (longer than the first preset time length), controlling the fan to stop until the refrigerant impact noise and the fan noise disappear. Because the fan noise does not look like refrigerant impulsive noise, the fan noise is the wide band noise that a user can accept, and the fan noise is greater than refrigerant impulsive noise, like this, refrigerant impulsive noise just is covered under the fan noise to avoid the user to hear sharp-pointed refrigerant impulsive noise, consequently, improved the use comfort level of air conditioner.
Based on the hardware structure, the embodiment of the control method of the air conditioner is provided.
Referring to fig. 2, fig. 2 is a flowchart illustrating a control method of an air conditioner according to a first embodiment of the present invention.
In a first embodiment, the control method of the air conditioner includes the steps of:
step S10, when a shutdown instruction is received, controlling a compressor of an air conditioner external unit to stop and starting timing, wherein an electronic expansion valve of the air conditioner internal unit is in an open state, and a fan of the air conditioner internal unit is in a running state;
step S20, when the timing reaches a first preset time, controlling the electronic expansion valve to close;
step S30, when the timing reaches a second preset time, controlling the fan to stop;
the first preset time length is less than the second preset time length.
Air conditioners commonly used by users generally comprise an external unit and an internal unit, wherein the external unit comprises a compressor, an outdoor heat exchanger and the like, and the internal unit comprises a fan, an electronic expansion valve, an indoor heat exchanger and the like. In this embodiment, when the user does not need to use the air conditioner, the corresponding shutdown operation is executed, for example, when the user executes the shutdown operation by clicking a shutdown button on a remote controller matched with the air conditioner, a corresponding shutdown instruction is triggered. And when the air conditioner receives the shutdown instruction, controlling a compressor of an air conditioner external unit to stop, and starting timing. For example, the timer built in the air conditioner is started to perform timing.
When the air conditioner receives a shutdown instruction, the electronic expansion valve is not immediately controlled to be closed, but the electronic expansion valve is controlled to be continuously in the open state, so that the flow balance of the refrigerant from high pressure to low pressure is realized. In the flowing process of the refrigerant, corresponding refrigerant impact noise is generated. Most of the refrigerant impact noise is narrow-band noise, which is a sharp noise that is difficult for users to endure.
In order to solve the problem, in this embodiment, when the air conditioner receives a shutdown instruction, the fan of the internal unit of the air conditioner is not immediately controlled to be stopped, but the fan is controlled to be continuously in the running state. Therefore, the fan can generate corresponding fan noise in the operation process. The fan noise is mostly broadband noise, although the noise can be greater than refrigerant impact noise, this is the noise that the user can accept.
Because the fan noise is greater than refrigerant impulsive noise, just can cover refrigerant impulsive noise through the fan noise to avoid the user to hear sharp-pointed refrigerant impulsive noise, bring comfortable user experience for the user.
After the refrigerant flows from high pressure to low pressure for a period of time, the refrigerant can reach balance, and after the refrigerant reaches balance, an electronic expansion valve of an air conditioner indoor unit is controlled to be closed, and then a fan of the air conditioner indoor unit is controlled to be stopped.
Specifically, a first preset time and a second preset time are preset, wherein the first preset time is shorter than the second preset time, and the first preset time can be determined according to the time required by the refrigerant to reach the balance, so as to ensure that the refrigerant can reach the balance within the first preset time. For example, the first preset time period is preset to be 1 minute, and the second preset time period is preset to be 2 minutes. Optionally, the value range of the first preset time is set to be 30-180 seconds. When the timing of the air conditioner reaches a first preset time length, at the moment, the refrigerant reaches balance, and the electronic expansion valve is controlled to be closed. And then, when the timing of the air conditioner reaches a second preset time length, controlling the fan to stop.
Optionally, after the air conditioner reaches a second preset time period, the time is cleared.
The following describes the control method of the air conditioner in detail by taking the multi-split air conditioner as an example.
The multi-split air conditioner comprises a plurality of inner units and an outer unit, wherein the outer unit is connected with the inner units through a pipe, and each inner unit is independently controlled to operate. For the multi-split air conditioner, as shown in fig. 3, the step S10 includes:
step S11, when a shutdown instruction corresponding to one indoor unit of the multi-split air conditioner is received, judging whether other indoor units of the multi-split air conditioner are in a shutdown state;
and step S12, if the other internal machines of the multi-split air conditioner are in a shutdown state, controlling the compressor of the multi-split air conditioner to shut down and starting timing.
Because the multi-split air conditioner comprises a plurality of internal machines, when a shutdown instruction corresponding to one internal machine of the multi-split air conditioner is received each time, whether other internal machines in the multi-split air conditioner are in a shutdown state is judged firstly, namely whether the current internal machine corresponding to the shutdown instruction is the last operating internal machine is judged. If the current inner machine is not the last running inner machine, that is, other inner machines in the multi-split air conditioner are running, at the moment, the compressor of the multi-split air conditioner outer machine is controlled to continue running, and the current inner machine is stopped, including the step of controlling the electronic expansion valve of the current inner machine to be closed, and the fan of the current inner machine is stopped.
If the current internal machine is the last running internal machine, namely other internal machines in the multi-split air conditioner are in a shutdown state, controlling the compressor of the multi-split air conditioner external machine to shut down and starting timing. Meanwhile, the electronic expansion valve of the current inner machine is controlled to be continuously in an open state so as to realize the balance of the flow of the refrigerant from high pressure to low pressure. And the fan of the current inner machine is controlled to be continuously in the running state. When the timing reaches the first preset time length, the refrigerant reaches the balance at the moment, and the electronic expansion valve of the current inner machine is controlled to be closed. And then, when the timing reaches a second preset time length, controlling the fan of the current inner machine to stop.
According to the scheme provided by the embodiment, when a shutdown instruction is received, the compressor of the air conditioner external unit is controlled to stop and starts timing, at this time, the electronic expansion valve of the air conditioner internal unit is still in an open state, the fan of the air conditioner internal unit is still in a running state, and the refrigerant in the air conditioner flows from high pressure to low pressure to realize balance, so that refrigerant impact noise and fan noise can be generated in the process; and when the timing reaches a first preset time length, controlling the electronic expansion valve to be closed, and then when the timing reaches a second preset time length (longer than the first preset time length), controlling the fan to stop until the refrigerant impact noise and the fan noise disappear. Because the fan noise does not look like refrigerant impulsive noise, the fan noise is the wide band noise that a user can accept, and the fan noise is greater than refrigerant impulsive noise, like this, refrigerant impulsive noise just is covered under the fan noise to avoid the user to hear sharp-pointed refrigerant impulsive noise, consequently, improved the use comfort level of air conditioner.
Further, a second embodiment of the control method of the air conditioner of the present invention is proposed based on the first embodiment, and in this embodiment, while the step S10 is executed, the following steps are also executed:
step A, adjusting the opening degree of the electronic expansion valve to a first preset step value so as to control the electronic expansion valve to be in the maximum opening degree.
In this embodiment, in order to quickly balance the refrigerant in the air conditioner, when the air conditioner receives a shutdown instruction, the air conditioner controls the compressor of the air conditioner external unit to stop, and also adjusts the opening of the electronic expansion valve of the air conditioner internal unit to the maximum opening. Specifically, since the maximum opening degree of each electronic expansion valve corresponds to a corresponding step value, for convenience of description, the step value corresponding to the maximum opening degree of the electronic expansion valve is hereinafter referred to as a first preset step value. When the air conditioner receives a shutdown instruction, if the opening degree of the electronic expansion valve at present reaches a first preset step value corresponding to the maximum opening degree, the electronic expansion valve is kept to be continuously opened to the first preset step value. And if the opening degree of the electronic expansion valve does not reach the first preset step value at present, adjusting the opening degree of the electronic expansion valve to the first preset step value, and controlling the electronic expansion valve to be in the maximum opening degree. Under the condition that the electronic expansion valve is in the maximum opening degree, the refrigerant in the air conditioner can be quickly balanced, so that the first preset time and the second preset time can be correspondingly shortened, the time for the existence of noise can be reduced, and the use experience of a user is further improved.
Further, as shown in fig. 4, after the step S20, the method further includes the steps of:
and step S40, adjusting the opening degree of the electronic expansion valve to a second preset step value so as to control the electronic expansion valve to be in a standby state.
In addition to the first preset step value corresponding to the maximum opening degree, the electronic expansion valve is also configured with a step value corresponding to the standby state. When the timing of the air conditioner reaches the first preset time, after the electronic expansion valve is controlled to be closed, further, the opening degree of the electronic expansion valve is adjusted to a second preset step value so as to control the electronic expansion valve to be in a standby state. For example, optionally, if the second preset step value corresponding to the standby state of the electronic expansion valve is 300 steps, the opening degree of the electronic expansion valve is adjusted to 300 steps, and the electronic expansion valve is controlled to be in the standby state.
It is understood that the operation of adjusting the opening degree of the electronic expansion valve to the second preset step value in step S40 may be performed before step S30, after step S30, or simultaneously with step S30, and in this embodiment, the specific order of performing is not limited.
According to the scheme provided by the embodiment, when the air conditioner receives the shutdown instruction, the compressor is controlled to stop, and meanwhile, the opening degree of the electronic expansion valve is adjusted to the maximum opening degree, so that the refrigerant in the air conditioner is balanced quickly, the time length of the existence of noise can be reduced, and the use comfort degree of the air conditioner is further improved.
Further, a third embodiment of the control method of the air conditioner of the present invention is proposed based on the first embodiment or the second embodiment, and in this embodiment, while the step S10 is executed, the following steps are also executed:
and B, adjusting the rotating speed of the fan to a preset rotating speed.
In this embodiment, when the air conditioner receives the shutdown instruction, the compressor of the external unit of the air conditioner is controlled to stop, and the rotation speed of the fan is adjusted to the preset rotation speed. Or when the air conditioner receives a shutdown instruction, controlling a compressor of an outer machine of the air conditioner to stop, adjusting the rotating speed of the fan to a preset rotating speed, and adjusting the opening of the electronic expansion valve to the maximum opening.
In order to reduce the power consumption of the air conditioner, preferably, the preset rotating speed is a rotating speed corresponding to the operation of the fan in the low wind gear, that is, the operation of the fan in the low wind gear is controlled, so that the generation of the noise of the fan is realized, and the power consumption of the air conditioner is also reduced.
Specifically, when the air conditioner receives a shutdown instruction, the current rotating speed of the fan is detected, and if the current rotating speed of the fan is a preset rotating speed corresponding to the operation of the fan at a low wind gear, the fan is maintained to continuously operate at the preset rotating speed. And if the current rotating speed of the fan is not the preset rotating speed, for example, the current rotating speed of the fan is the rotating speed corresponding to the high wind gear of the fan, adjusting the rotating speed of the fan to the preset rotating speed.
According to the scheme provided by the embodiment, when the air conditioner receives the shutdown instruction, the compressor is controlled to stop, and meanwhile, the rotating speed of the fan is adjusted to the preset rotating speed corresponding to the operation of the fan at the low wind gear, so that the power consumption of the air conditioner is reduced.
Furthermore, an embodiment of the present invention further provides a computer-readable storage medium, where an air conditioner control program is stored on the computer-readable storage medium, and when executed by a processor, the air conditioner control program implements the following operations:
when a shutdown instruction is received, controlling a compressor of an air conditioner external unit to shut down and starting timing, wherein an electronic expansion valve of the air conditioner internal unit is in an open state, and a fan of the air conditioner internal unit is in a running state;
when the timing reaches a first preset time length, controlling the electronic expansion valve to close;
when the timing reaches a second preset time length, controlling the fan to stop;
the first preset time length is less than the second preset time length.
Further, the air conditioner control program, when executed by the processor, further performs the following operations:
and adjusting the opening degree of the electronic expansion valve to a first preset step value so as to control the electronic expansion valve to be in the maximum opening degree.
Further, the air conditioner control program, when executed by the processor, further performs the following operations:
and adjusting the rotating speed of the fan to a preset rotating speed.
Further, the air conditioner control program, when executed by the processor, further performs the following operations:
and adjusting the opening degree of the electronic expansion valve to a second preset step value so as to control the electronic expansion valve to be in a standby state.
Further, when the air conditioner is a multi-split air conditioner, the air conditioner control program further implements the following operations when executed by the processor:
when a shutdown instruction corresponding to one indoor unit of the multi-split air conditioner is received, judging whether other indoor units of the multi-split air conditioner are in a shutdown state;
and if other internal machines of the multi-split air conditioner are in a shutdown state, controlling the compressor of the multi-split air conditioner to shut down and starting timing.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or system that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or system. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or system that comprises the element.
The above-mentioned serial numbers of the embodiments of the present invention are merely for description and do not represent the merits of the embodiments.
Through the above description of the embodiments, those skilled in the art will clearly understand that the method of the above embodiments can be implemented by software plus a necessary general hardware platform, and certainly can also be implemented by hardware, but in many cases, the former is a better implementation manner. Based on such understanding, the technical solution of the present invention may be embodied in the form of a software product, which is stored in a storage medium (e.g., ROM/RAM, magnetic disk, optical disk) as described above and includes instructions for enabling a terminal device (e.g., a mobile phone, a computer, a server, or a network device) to execute the method according to the embodiments of the present invention.
The above description is only a preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (7)
1. A control method of an air conditioner is characterized by comprising the following steps:
when a shutdown instruction is received, controlling a compressor of an air conditioner external unit to stop and starting timing, wherein an electronic expansion valve of the air conditioner internal unit is in an open state to realize the flow balance of a refrigerant from high pressure to low pressure;
a fan of an air conditioner indoor unit is in an operating state to generate fan noise to cover refrigerant impact noise generated by refrigerant flowing;
when the timing reaches a first preset time length, controlling the electronic expansion valve to close, wherein the first preset time length is determined based on the time length of the refrigerant reaching the balance;
when the timing reaches a second preset time length, controlling the fan to stop;
the first preset time length is less than the second preset time length;
wherein, when executing the compressor of the control air conditioner outer machine to stop and starting the timing step, the following steps are executed:
adjusting the rotating speed of the fan to a preset rotating speed, wherein the preset rotating speed is the rotating speed corresponding to the operation of the fan at a low wind gear;
and adjusting the opening degree of the electronic expansion valve to a first preset step value so as to control the electronic expansion valve to be in the maximum opening degree and shorten a first preset time.
2. The method for controlling an air conditioner according to claim 1, wherein after the step of controlling the electronic expansion valve to close when the timing reaches the first preset time period, the method further comprises:
and adjusting the opening degree of the electronic expansion valve to a second preset step value so as to control the electronic expansion valve to be in a standby state.
3. The control method of an air conditioner according to claim 2, wherein the second preset step value is 300 steps.
4. The control method of an air conditioner according to claim 1, wherein the first preset time period is set to a value ranging from 30 to 180 seconds.
5. The method as claimed in any one of claims 1 to 4, wherein when the air conditioner is a multi-split air conditioner, the step of controlling the compressor of the outdoor unit of the air conditioner to stop and start timing upon receiving the shutdown command comprises:
when a shutdown instruction corresponding to one indoor unit of the multi-split air conditioner is received, judging whether other indoor units of the multi-split air conditioner are in a shutdown state;
and if other internal machines of the multi-split air conditioner are in a shutdown state, controlling the compressor of the multi-split air conditioner to shut down and starting timing.
6. A control apparatus of an air conditioner, comprising: a memory, a processor, and an air conditioner control program stored on the memory and executable on the processor, the air conditioner control program when executed by the processor implementing the steps of:
when a shutdown instruction is received, controlling a compressor of an air conditioner external unit to stop and starting timing, wherein an electronic expansion valve of the air conditioner internal unit is in an open state to realize the flow balance of a refrigerant from high pressure to low pressure;
a fan of an air conditioner indoor unit is in an operating state to generate fan noise to cover refrigerant impact noise generated by refrigerant flowing;
when the timing reaches a first preset time length, controlling the electronic expansion valve to close, wherein the first preset time length is determined based on the time length of the refrigerant reaching the balance;
when the timing reaches a second preset time length, controlling the fan to stop;
the first preset time length is less than the second preset time length;
wherein the air conditioner control program when executed by the processor implements the following steps while executing the steps of controlling the compressor of the air conditioner external unit to stop and starting timing:
adjusting the rotating speed of the fan to a preset rotating speed, wherein the preset rotating speed is the rotating speed corresponding to the operation of the fan at a low wind gear;
and adjusting the opening degree of the electronic expansion valve to a first preset step value so as to control the electronic expansion valve to be in the maximum opening degree and shorten a first preset time.
7. A computer-readable storage medium having stored thereon an air conditioner control program that when executed by a processor performs the steps of:
when a shutdown instruction is received, controlling a compressor of an air conditioner external unit to stop and starting timing, wherein an electronic expansion valve of the air conditioner internal unit is in an open state to realize the flow balance of a refrigerant from high pressure to low pressure;
a fan of an air conditioner indoor unit is in an operating state to generate fan noise to cover refrigerant impact noise generated by refrigerant flowing;
when the timing reaches a first preset time length, controlling the electronic expansion valve to close, wherein the first preset time length is determined based on the time length of the refrigerant reaching the balance;
when the timing reaches a second preset time length, controlling the fan to stop;
the first preset time length is less than the second preset time length;
wherein the air conditioner control program when executed by the processor implements the following steps while executing the steps of controlling the compressor of the air conditioner external unit to stop and starting timing:
adjusting the rotating speed of the fan to a preset rotating speed, wherein the preset rotating speed is the rotating speed corresponding to the operation of the fan at a low wind gear;
and adjusting the opening degree of the electronic expansion valve to a first preset step value so as to control the electronic expansion valve to be in the maximum opening degree and shorten a first preset time.
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| CN108168169B (en) * | 2017-12-01 | 2020-09-18 | 青岛海尔空调电子有限公司 | Noise control method of multi-connected air conditioning system |
| CN108195034B (en) * | 2017-12-08 | 2020-06-26 | 广东美的暖通设备有限公司 | Control method and device of inner unit, inner unit and multi-connected air conditioner |
| CN108032707B (en) * | 2017-12-29 | 2021-03-02 | 北汽（常州）汽车有限公司 | Power-off control method for air conditioning system of pure electric vehicle |
| CN109556243B (en) * | 2018-09-30 | 2021-05-25 | 青岛海尔空调电子有限公司 | Control method for air conditioner |
| CN109654682B (en) * | 2018-11-30 | 2021-12-03 | 广东美的制冷设备有限公司 | Control method and control terminal of air conditioner and air conditioner |
| CN110542237B (en) * | 2019-09-12 | 2021-03-30 | 广东美的制冷设备有限公司 | Air conditioner, operation control method and device thereof and computer readable storage medium |
| CN110542192B (en) * | 2019-09-12 | 2021-07-30 | 广东美的制冷设备有限公司 | Operation control method, operation control device, air conditioner, and storage medium |
| CN110715398A (en) * | 2019-10-24 | 2020-01-21 | 广东美的制冷设备有限公司 | Control method and device of air conditioner, air conditioner and electronic equipment |
| CN111426009B (en) * | 2020-04-03 | 2021-06-18 | 广东美的暖通设备有限公司 | Control method of air conditioning system, air conditioning system and computer storage medium |
| CN111473478A (en) * | 2020-04-07 | 2020-07-31 | 海信（广东）空调有限公司 | Control method of air conditioner and air conditioner |
| CN114608156B (en) * | 2020-12-08 | 2024-05-28 | 广东美的制冷设备有限公司 | Air conditioner, control method thereof, control device thereof and computer readable storage medium |
| CN112984620B (en) * | 2021-03-29 | 2022-05-13 | 宁波奥克斯电气股份有限公司 | Differential pressure balancing method and device for multi-split air conditioner and multi-split air conditioner |
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