CN116242006A - Method, device and storage medium for adjusting expansion valve of air conditioner - Google Patents

Method, device and storage medium for adjusting expansion valve of air conditioner Download PDF

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Publication number
CN116242006A
CN116242006A CN202310140204.4A CN202310140204A CN116242006A CN 116242006 A CN116242006 A CN 116242006A CN 202310140204 A CN202310140204 A CN 202310140204A CN 116242006 A CN116242006 A CN 116242006A
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CN
China
Prior art keywords
expansion valve
air conditioner
temperature
strategy
heat exchange
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Pending
Application number
CN202310140204.4A
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Chinese (zh)
Inventor
李鑫
张明军
孙川川
王诗洋
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Qingdao Haier Air Conditioner Gen Corp Ltd
Qingdao Haier Air Conditioning Electric Co Ltd
Haier Smart Home Co Ltd
Original Assignee
Qingdao Haier Air Conditioner Gen Corp Ltd
Qingdao Haier Air Conditioning Electric Co Ltd
Haier Smart Home Co Ltd
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Application filed by Qingdao Haier Air Conditioner Gen Corp Ltd, Qingdao Haier Air Conditioning Electric Co Ltd, Haier Smart Home Co Ltd filed Critical Qingdao Haier Air Conditioner Gen Corp Ltd
Priority to CN202310140204.4A priority Critical patent/CN116242006A/en
Publication of CN116242006A publication Critical patent/CN116242006A/en
Pending legal-status Critical Current

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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
    • F24F11/80—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air
    • F24F11/83—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers
    • F24F11/84—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers using valves
    • 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
    • F24F11/50—Control or safety arrangements characterised by user interfaces or communication
    • F24F11/54—Control or safety arrangements characterised by user interfaces or communication using one central controller connected to several sub-controllers
    • 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
    • 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
    • F24F11/65—Electronic processing for selecting an operating mode
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2140/00—Control inputs relating to system states
    • F24F2140/20—Heat-exchange fluid temperature
    • 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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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Fuzzy Systems (AREA)
  • Mathematical Physics (AREA)
  • Human Computer Interaction (AREA)
  • Air Conditioning Control Device (AREA)

Abstract

The application relates to the technical field of air conditioner control, and discloses a method for adjusting an expansion valve of an air conditioner, which comprises the following steps: detecting the current running mode of the air conditioner; acquiring a first temperature acquired by a first temperature sensor and a second temperature acquired by a second temperature sensor; determining an adjusting strategy of an air conditioner expansion valve according to the current operation mode, the first temperature and the second temperature; and controlling the air conditioner according to the regulation strategy of the expansion valve of the air conditioner. With this scheme, can combine the accurate regulation strategy of air conditioner expansion valve of current mode, first temperature and second temperature to under the condition of controlling the air conditioner according to the regulation strategy of air conditioner expansion valve, the refrigerant flow of heat transfer device is controlled, effectively regulates and control the temperature when the motor is operated, guarantees reliability and the efficiency of motor, utilizes the calorific capacity of motor effectively to retrieve to the mode that the refrigerant cooled down simultaneously, improves the efficiency of air conditioner. The application also discloses a device for adjusting the expansion valve of the air conditioner and a storage medium.

Description

Method, device and storage medium for adjusting expansion valve of air conditioner
Technical Field
The present application relates to the field of air conditioning control technologies, and for example, to a method, an apparatus, and a storage medium for adjusting an expansion valve of an air conditioner.
Background
Along with the continuous improvement of the living standard of people, the intelligent household electrical appliance also gradually goes into the life of the user. At present, the appearance of the air conditioner brings more comfortable indoor environment for users, and meanwhile, how to enhance the operation reliability of the air conditioner is also a focus of attention of the users.
At present, the phenomenon that the internal and external motors of the air conditioner generate heat in the operation process can cause the temperature of the motors to rise, so that the problems of unstable motor rotation speed, increased consumed power and the like exist, and the service life is reduced to a certain extent. To solve this problem, a designer usually adds a heat dissipating device at the installation position of the motor to reduce the temperature of the motor, but the motor cannot achieve a better heat dissipating effect through a smaller heat dissipating device due to the limited installation position of the motor. Therefore, how to regulate the temperature of the motor during operation so as to ensure the reliable operation of the motor inside and outside the air conditioner becomes a technical problem to be solved.
It should be noted that the information disclosed in the foregoing background section is only for enhancing understanding of the background of the present application and thus may include information that does not form the prior art that is already known to those of ordinary skill in the art.
Disclosure of Invention
The following presents a simplified summary in order to provide a basic understanding of some aspects of the disclosed embodiments. This summary is not an extensive overview, and is intended to neither identify key/critical elements nor delineate the scope of such embodiments, but is intended as a prelude to the more detailed description that follows.
The embodiment of the disclosure provides a method, a device and a storage medium for adjusting an expansion valve of an air conditioner, which can regulate and control the temperature of a motor during operation so as to ensure the reliable operation of the motor inside and outside the air conditioner.
In some embodiments, the method for adjusting an air conditioner expansion valve includes: detecting the current running mode of the air conditioner; acquiring a first temperature acquired by a first temperature sensor and a second temperature acquired by a second temperature sensor; determining an adjusting strategy of an air conditioner expansion valve according to the current operation mode, the first temperature and the second temperature; the air conditioner is controlled according to the regulating strategy of the expansion valve of the air conditioner so as to control the flow of the refrigerant flowing through the heat exchange device.
In some embodiments, the method for adjusting an air conditioner expansion valve includes: determining an on-off regulation strategy of an air conditioner expansion valve according to the current operation mode; determining an opening degree adjusting strategy of an air conditioner expansion valve according to the first temperature and the second temperature; and determining the on-off regulation strategy and/or the opening regulation strategy as the regulation strategy of the air conditioner expansion valve.
In some embodiments, the method for adjusting an air conditioner expansion valve includes: under the condition that the current operation mode is a refrigeration mode or a dehumidification mode, determining an on-off regulation strategy of an air conditioner expansion valve to control the first expansion valve and the third expansion valve to be opened and control the second expansion valve to be closed; under the condition that the current operation mode is a heating mode, determining an on-off regulation strategy of an air conditioner expansion valve to control the second expansion valve and the third expansion valve to be opened and control the second expansion valve to be closed; the heat exchange device comprises a first heat exchange device and a second heat exchange device, the first heat exchange device is arranged on an indoor motor shell of the air conditioner, the second heat exchange device is arranged on an outdoor motor shell of the air conditioner, the first expansion valve is arranged on a refrigerant input side of the first heat exchange device in a refrigerating mode, the second expansion valve is arranged on a refrigerant input side of the first heat exchange device in a heating mode, and the third expansion valve is arranged on a refrigerant input side of the second heat exchange device.
In some embodiments, the method for adjusting an air conditioner expansion valve includes: determining an opening degree adjusting strategy of the first expansion valve according to the first temperature; determining an opening degree adjusting strategy of the third expansion valve according to the second temperature; determining an opening degree adjustment strategy of the first expansion valve and an opening degree adjustment strategy of the third expansion valve as an opening degree adjustment strategy of the air conditioner expansion valve in a refrigeration mode or a dehumidification mode; the heat exchange device comprises a first heat exchange device and a second heat exchange device, the first heat exchange device is arranged on an indoor motor shell of the air conditioner, the second heat exchange device is arranged on an outdoor motor shell of the air conditioner, the first expansion valve is arranged on a refrigerant input side of the first heat exchange device in a refrigerating mode, and the third expansion valve is arranged on a refrigerant input side of the second heat exchange device.
In some embodiments, the method for adjusting an air conditioner expansion valve includes: determining an opening degree adjusting strategy of the second expansion valve according to the first temperature; determining an opening degree adjusting strategy of the third expansion valve according to the second temperature; determining an opening degree adjustment strategy of the second expansion valve and an opening degree adjustment strategy of the third expansion valve as an opening degree adjustment strategy of the air conditioner expansion valve in a heating mode; the heat exchange device comprises a first heat exchange device and a second heat exchange device, the first heat exchange device is arranged on an indoor motor shell of the air conditioner, the second heat exchange device is arranged on an outdoor motor shell of the air conditioner, the second expansion valve is arranged on a refrigerant input side of the first heat exchange device in a heating mode, and the third expansion valve is arranged on a refrigerant input side of the second heat exchange device.
In some embodiments, the method for adjusting an air conditioner expansion valve includes: determining an initial control strategy of an air conditioner expansion valve matched with a current operation mode; under the condition that the air conditioner operates according to an initial control strategy, acquiring a first temperature acquired by a first temperature sensor and a second temperature acquired by a second temperature sensor.
In some embodiments, the method for adjusting an air conditioner expansion valve includes: acquiring a proper temperature range of an air conditioner motor; and under the condition that the first temperature acquired by the first temperature sensor and the second temperature acquired by the second temperature sensor both fall into a proper temperature range, controlling the air conditioner to stop executing the regulation strategy of the air conditioner expansion valve.
In some embodiments, the means for adjusting an air conditioner expansion valve comprises: the detection module is configured to detect the current running mode of the air conditioner; the acquisition module is configured to acquire a first temperature acquired by the first temperature sensor and a second temperature acquired by the second temperature sensor; the determining module is configured to determine an adjusting strategy of the air conditioner expansion valve according to the current operation mode, the first temperature and the second temperature; the control module is configured to control the air conditioner according to the regulation strategy of the expansion valve of the air conditioner so as to control the flow of the refrigerant flowing through the heat exchange device, and the heat exchange device is arranged on the indoor motor housing and/or the outdoor motor housing.
In some embodiments, the means for adjusting an air conditioner expansion valve comprises: the system comprises a processor and a memory storing program instructions, wherein the processor is configured to execute the method for adjusting the expansion valve of the air conditioner when the program instructions are executed.
In some embodiments, the storage medium stores program instructions that, when executed, perform the aforementioned method for adjusting an air conditioning expansion valve.
The method, the device and the storage medium for adjusting the expansion valve of the air conditioner provided by the embodiment of the disclosure can realize the following technical effects: detecting the current running mode of the air conditioner; acquiring a first temperature acquired by a first temperature sensor and a second temperature acquired by a second temperature sensor; therefore, according to the current operation mode, the first temperature and the second temperature, the adjusting strategy of the air conditioner expansion valve is determined; and then the air conditioner is controlled according to the regulating strategy of the expansion valve of the air conditioner. With this scheme, can combine the accurate regulation strategy of air conditioner expansion valve of current mode, first temperature and second temperature to under the condition of controlling the air conditioner according to the regulation strategy of air conditioner expansion valve, the refrigerant flow of heat transfer device is controlled, effectively regulates and control the temperature when the motor is operated, guarantees reliability and the efficiency of motor, utilizes the calorific capacity of motor effectively to retrieve to the mode that the refrigerant cooled down simultaneously, improves the efficiency of air conditioner.
The foregoing general description and the following description are exemplary and explanatory only and are not restrictive of the application.
Drawings
One or more embodiments are illustrated by way of example and not limitation in the figures of the accompanying drawings, in which like references indicate similar elements, and in which like reference numerals refer to similar elements, and in which:
FIG. 1 is a schematic diagram of the connection of various components of an air conditioner provided in an embodiment of the present disclosure;
FIG. 2 is a schematic diagram of a method for adjusting an expansion valve of an air conditioner provided in an embodiment of the present disclosure;
FIG. 3 is a schematic diagram of a method for determining an adjustment strategy provided by an embodiment of the present disclosure;
FIG. 4 is a schematic diagram of another method for adjusting an air conditioning expansion valve provided by an embodiment of the present disclosure;
FIG. 5 is a schematic diagram of an apparatus for adjusting an expansion valve of an air conditioner according to an embodiment of the present disclosure;
FIG. 6 is a schematic diagram of another apparatus for regulating an air conditioning expansion valve provided by an embodiment of the present disclosure;
reference numerals:
1: a compressor; 2: a condenser; 3: an evaporator; 4: a first heat exchange device; 5: a second heat exchange device; 61: a first expansion valve; 62: a second expansion valve; 63: a third expansion valve; 71: a first one-way valve; 72: a second one-way valve; 73: a third one-way valve; 8: a throttle device.
Detailed Description
So that the manner in which the features and techniques of the disclosed embodiments can be understood in more detail, a more particular description of the embodiments of the disclosure, briefly summarized below, may be had by reference to the appended drawings, which are not intended to be limiting of the embodiments of the disclosure. In the following description of the technology, for purposes of explanation, numerous details are set forth in order to provide a thorough understanding of the disclosed embodiments. However, one or more embodiments may still be practiced without these details. In other instances, well-known structures and devices may be shown simplified in order to simplify the drawing.
The terms first, second and the like in the description and in the claims of the embodiments of the disclosure and in the above-described figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate in order to describe embodiments of the present disclosure. Furthermore, the terms "comprise" and "have," as well as any variations thereof, are intended to cover a non-exclusive inclusion.
The term "plurality" means two or more, unless otherwise indicated.
In the embodiment of the present disclosure, the character "/" indicates that the front and rear objects are an or relationship. For example, A/B represents: a or B.
The term "and/or" is an associative relationship that describes an object, meaning that there may be three relationships. For example, a and/or B, represent: a or B, or, A and B.
The term "corresponding" may refer to an association or binding relationship, and the correspondence between a and B refers to an association or binding relationship between a and B.
In the embodiment of the disclosure, the intelligent home appliance refers to a home appliance formed after a microprocessor, a sensor technology and a network communication technology are introduced into the home appliance, and has the characteristics of intelligent control, intelligent sensing and intelligent application, the operation process of the intelligent home appliance often depends on the application and processing of modern technologies such as the internet of things, the internet and an electronic chip, for example, the intelligent home appliance can realize remote control and management of a user on the intelligent home appliance by connecting the electronic appliance.
In the embodiment of the disclosure, the terminal device refers to an electronic device with a wireless connection function, and the terminal device can be in communication connection with the intelligent household electrical appliance through connecting with the internet, and can also be in communication connection with the intelligent household electrical appliance through Bluetooth, wifi and other modes. In some embodiments, the terminal device is, for example, a mobile device, a computer, or an in-vehicle device built into a hover vehicle, etc., or any combination thereof. The mobile device may include, for example, a cell phone, smart home device, wearable device, smart mobile device, virtual reality device, etc., or any combination thereof, wherein the wearable device includes, for example: smart watches, smart bracelets, pedometers, etc.
FIG. 1 is a schematic diagram of the connection of various components of an air conditioner provided in an embodiment of the present disclosure; as shown in connection with fig. 1, an embodiment of the present disclosure provides a connection scheme for each component of an air conditioner. Specifically, the air conditioner includes a compressor 1, an evaporator 2, a condenser 3, a throttle device 8, an indoor motor, and an outdoor motor.
Alternatively, in the case of the air-conditioning operation cooling mode, the refrigerant in the air-conditioning refrigerant line flows through the compressor 1, the condenser 2, the third expansion valve 63, the second heat exchanging device 5, the third check valve 73, the throttling device 8, the evaporator 3, the first expansion valve 61, the first heat exchanging device 4, the first check valve 71 in this order, and flows to the compressor 1 to form a first refrigerant circuit. The refrigerant input side of the first heat exchange device 4 is provided with a first expansion valve 61, and the opening of the first expansion valve 61 can be adjusted to adjust the refrigerant flow of the refrigerant input side of the first heat exchange device 4 in the operation process of the refrigeration mode, so that the temperature of the indoor motor can be adjusted and controlled by the refrigerant flowing through the first heat exchange device 4 on the premise that the first heat exchange device 4 is arranged on the indoor motor shell of the air conditioner. The refrigerant input side of the second heat exchange device 5 is provided with a third expansion valve 63, and the refrigerant flow of the refrigerant input side of the second heat exchange device 5 can be regulated in the operation process of the refrigeration mode by regulating the opening of the third expansion valve 63, so that the temperature of the outdoor motor can be regulated and controlled by the refrigerant flowing through the second heat exchange device 5 on the premise that the second heat exchange device 5 is arranged on the outdoor motor shell of the air conditioner.
Optionally, in the case of the air conditioning operation heating mode, the refrigerant in the air conditioning refrigerant line flows through the compressor 1, the evaporator 2, the second expansion valve 62, the first heat exchanging device 4, the second check valve 72, the throttling device 8, the third expansion valve 63 in this order, and the second heat exchanging device 5, the third check valve 73, the condenser 3 and flows to the compressor 1 in order to form a second refrigerant circuit. The second expansion valve 62 is disposed on the refrigerant input side of the first heat exchange device 4, and the opening of the second expansion valve 62 is adjusted to adjust the refrigerant flow of the refrigerant input side of the first heat exchange device 4 in the heating mode operation process, so that the temperature of the indoor motor is adjusted and controlled by the refrigerant flowing through the first heat exchange device 4 on the premise that the first heat exchange device 4 is disposed on the indoor motor housing of the air conditioner. The refrigerant input side of the second heat exchange device 5 is provided with a third expansion valve 63, and the refrigerant flow of the refrigerant input side of the second heat exchange device 5 can be regulated in the heating mode operation process by regulating the opening of the third expansion valve 63, so that the temperature of the outdoor motor can be regulated and controlled by the refrigerant flowing through the second heat exchange device 5 on the premise that the second heat exchange device 5 is arranged on the outdoor motor shell of the air conditioner.
Optionally, the first heat exchange device 4 is a micro-channel radiator, and is composed of micro-channel radiating fins, and can be limited to the outer side of the shell according to the shape of the indoor motor, so that the exchange process is more uniform and stable when the heat exchange is performed on the temperature of the indoor motor through the first heat exchange device 4. The second heat exchange device 5 is a micro-channel radiator, and is composed of micro-channel radiating fins, and can be limited to the outer side of the shell according to the shape of the outdoor motor, so that the exchange process is more uniform and stable when the heat exchange is performed on the temperature of the outdoor motor through the second heat exchange device 5.
FIG. 2 is a schematic diagram of a method for adjusting an expansion valve of an air conditioner provided in an embodiment of the present disclosure; as shown in conjunction with fig. 2, optionally, an embodiment of the present disclosure provides a method for adjusting an expansion valve of an air conditioner, comprising:
s21, the air conditioner detects the current running mode of the air conditioner.
S22, the air conditioner acquires a first temperature acquired by the first temperature sensor and a second temperature acquired by the second temperature sensor.
S23, the air conditioner determines an adjusting strategy of an expansion valve of the air conditioner according to the current operation mode, the first temperature and the second temperature.
S24, the air conditioner controls the air conditioner according to an adjusting strategy of an air conditioner expansion valve.
In the scheme, the air conditioner can determine the current operation mode of the air conditioner through the associated mobile equipment or the display panel. Here, the current operation mode of the air conditioner may be a cooling mode, a heating mode, a dehumidifying mode, or the like. In this way, the running state of the air conditioner can be accurately determined, and an accurate data basis is provided for determining the refrigerant flow direction of the air conditioning system.
It can be understood that the air conditioner comprises an indoor motor and an outdoor motor, and in order to accurately determine the temperature conditions of the indoor motor and the outdoor motor during operation, a first temperature sensor for detecting the temperature can be arranged at the indoor motor housing of the air conditioner, and a second temperature sensor for detecting the temperature is arranged at the outdoor motor housing. In this way, the temperature values collected by the first temperature sensor and the second temperature sensor are convenient for a user to determine the temperature conditions of the indoor motor shell and the outdoor motor shell, and an accurate data basis is provided for determining an air conditioner expansion valve regulating strategy.
Further, after the current operation mode, the first temperature and the second temperature of the air conditioner are determined, the adjustment strategy of the expansion valve of the air conditioner can be accurately determined by combining the current operation mode, the first temperature and the second temperature. Specifically, the air conditioner can determine the on-off regulation strategy of the expansion valve of the air conditioner according to the current operation mode; determining an opening degree adjusting strategy of an air conditioner expansion valve according to the first temperature and the second temperature; and therefore, the on-off regulation strategy and/or the opening regulation strategy are determined as the regulation strategy of the expansion valve of the air conditioner. In this way, the accurate determination of the air conditioner expansion valve regulating strategy can be realized by combining the current operation mode, the first temperature and the second temperature, so that the expansion valve regulating strategy determined by the method is more in line with the flow characteristics of the refrigerant in different operation modes. Therefore, after the adjusting strategy of the expansion valve is determined, the air conditioner can be controlled according to the adjusting strategy of the expansion valve of the air conditioner so as to control the flow rate of the refrigerant flowing through the heat exchange device.
By adopting the method for adjusting the expansion valve of the air conditioner, which is provided by the embodiment of the disclosure, the current operation mode of the air conditioner is detected; acquiring a first temperature acquired by a first temperature sensor and a second temperature acquired by a second temperature sensor; therefore, according to the current operation mode, the first temperature and the second temperature, the adjusting strategy of the air conditioner expansion valve is determined; and then the air conditioner is controlled according to the regulating strategy of the expansion valve of the air conditioner. With this scheme, can combine the accurate regulation strategy of air conditioner expansion valve of current mode, first temperature and second temperature to under the condition of controlling the air conditioner according to the regulation strategy of air conditioner expansion valve, the refrigerant flow of heat transfer device is controlled, effectively regulates and control the temperature when the motor is operated, guarantees reliability and the efficiency of motor, utilizes the calorific capacity of motor effectively to retrieve to the mode that the refrigerant cooled down simultaneously, improves the efficiency of air conditioner.
FIG. 3 is a schematic diagram of a method for determining an adjustment strategy provided by an embodiment of the present disclosure; referring to fig. 3, optionally, S23, the air conditioner determines an adjustment strategy of an expansion valve of the air conditioner according to a current operation mode, a first temperature and a second temperature, including:
S31, the air conditioner determines an on-off regulation strategy of an expansion valve of the air conditioner according to the current operation mode.
S32, the air conditioner determines an opening degree adjusting strategy of an expansion valve of the air conditioner according to the first temperature and the second temperature.
S33, the air conditioner determines an on-off regulation strategy and/or an opening regulation strategy as a regulation strategy of an expansion valve of the air conditioner.
In this scheme, it can be understood that the break-make of expansion valve can change the refrigerant flow direction in the refrigerant pipeline. Therefore, after the current operation mode is obtained, the air conditioner can combine with the current operation mode to determine the on-off regulation strategy of the expansion valve of the air conditioner. Specifically, when the current operation mode is a refrigeration mode or a dehumidification mode, determining an on-off adjustment strategy of the expansion valve of the air conditioner to control the first expansion valve and the third expansion valve to be opened and the second expansion valve to be closed; and under the condition that the current operation mode is a heating mode, determining an on-off regulation strategy of the expansion valve of the air conditioner to control the second expansion valve and the third expansion valve to be opened and control the second expansion valve to be closed. In this way, the on-off adjustment strategy of the air conditioner expansion valve can be accurately determined.
Further, the air conditioner can judge the temperature conditions of the indoor motor housing and the outdoor motor housing according to the first temperature and the second temperature, and determine the opening degree adjusting strategy of the expansion valve of the air conditioner by combining the temperature conditions of the indoor motor housing and the outdoor motor housing. In this way, the opening degree adjustment strategy of the air conditioner expansion valve can be accurately determined.
Further, after the on-off regulation strategy and the opening regulation strategy are determined, the on-off regulation strategy and/or the opening regulation strategy are determined as the regulation strategy of the expansion valve of the air conditioner. In this way, the accurate determination of the air conditioner expansion valve regulating strategy can be realized by combining the current operation mode, the first temperature and the second temperature, so that the expansion valve regulating strategy determined by the method is more in line with the flow characteristics of the refrigerant in the pipeline under different operation modes.
Optionally, S31, the air conditioner determines, according to the current operation mode, an on-off adjustment strategy of an expansion valve of the air conditioner, including:
under the condition that the current operation mode is a refrigeration mode or a dehumidification mode, the air conditioner determines an on-off regulation strategy of an expansion valve of the air conditioner to control the first expansion valve and the third expansion valve to be opened and control the second expansion valve to be closed; under the condition that the current operation mode is a heating mode, the air conditioner determines an on-off adjustment strategy of an expansion valve of the air conditioner to control the second expansion valve and the third expansion valve to be opened and control the second expansion valve to be closed;
in this scheme, heat transfer device includes first heat transfer device and second heat transfer device, and first heat transfer device sets up in the indoor motor shell of air conditioner, and second heat transfer device sets up in the outdoor motor shell of air conditioner, and first expansion valve sets up the refrigerant input side of first heat transfer device under the refrigeration mode, and the second expansion valve sets up the refrigerant input side of first heat transfer device under the heating mode, and the third expansion valve sets up in the refrigerant input side of second heat transfer device. Further, the on-off regulation strategy of the air conditioner expansion valve is determined by the air conditioner to control the first expansion valve and the third expansion valve to be opened and the second expansion valve to be closed under the condition that the current operation mode is the refrigeration mode or the dehumidification mode by combining the refrigerant flow characteristics of the air conditioner refrigeration mode. In this way, the operation of the refrigerant through the formed first refrigerant loop can be facilitated under the condition that the air conditioner operates according to the on-off regulation strategy, so as to reduce the indoor environment temperature or reduce the humidity in the indoor environment. The method can also combine the refrigerant flow characteristics of an air conditioner heating mode, and under the condition that the current operation mode is the heating mode, the air conditioner determines the on-off adjustment strategy of the air conditioner expansion valve to control the second expansion valve and the third expansion valve to be opened and control the second expansion valve to be closed, so that the refrigerant can conveniently run through the formed second refrigerant loop under the condition that the air conditioner runs according to the on-off adjustment strategy, and the indoor environment temperature is effectively improved.
Optionally, S32, the air conditioner determines an opening adjustment strategy of an expansion valve of the air conditioner according to the first temperature and the second temperature, including:
and the air conditioner determines an opening degree adjusting strategy of the first expansion valve according to the first temperature.
And the air conditioner determines an opening degree adjusting strategy of the third expansion valve according to the second temperature.
The air conditioner determines an opening degree adjustment strategy of the first expansion valve and an opening degree adjustment strategy of the third expansion valve as an opening degree adjustment strategy of the air conditioner expansion valve in a refrigeration mode or a dehumidification mode.
In this scheme, heat transfer device includes first heat transfer device and second heat transfer device, and first heat transfer device sets up in the indoor motor shell of air conditioner, and second heat transfer device sets up in the outdoor motor shell of air conditioner, and first expansion valve sets up the refrigerant input side of first heat transfer device under the refrigeration mode, and the third expansion valve sets up in the refrigerant input side of second heat transfer device.
Further, under the condition that the air conditioner operates in the refrigeration mode, the air conditioner can judge the temperature condition of the indoor motor shell by combining the first temperature, so that the opening degree adjustment strategy of the first expansion valve is determined. Specifically, the air conditioner determines an opening degree adjustment strategy of the first expansion valve according to the first temperature, and the air conditioner comprises the following steps: determining an opening degree adjustment strategy of the first expansion valve to reduce the opening degree of the first expansion valve to a first target opening degree under the condition that the first temperature is smaller than a first threshold value, wherein the first target opening degree is the difference between the current opening degree and a preset opening degree; under the condition that the first temperature is larger than a first threshold value and smaller than a second threshold value, determining an opening degree adjusting strategy of the first expansion valve to control the expansion valve according to the opening degree of the existing expansion valve; determining an opening degree adjustment strategy of the first expansion valve to increase the opening degree of the first expansion valve to a second target opening degree under the condition that the first temperature is larger than a second threshold value, wherein the second target opening degree is the sum of the current opening degree and a preset opening degree; under the condition that the air conditioner operates in a refrigeration mode, the air conditioner can also judge the temperature condition of the outdoor motor shell by combining the second temperature, so that the accurate determination of the opening degree adjustment strategy of the third expansion valve is performed. Specifically, the air conditioner determines an opening degree adjustment strategy of the third expansion valve according to the second temperature, and the air conditioner comprises the following steps: determining an opening degree adjustment strategy of the third expansion valve to reduce the opening degree of the third expansion valve to a third target opening degree under the condition that the second temperature is smaller than the first threshold value, wherein the third target opening degree is the difference between the current opening degree and the preset opening degree; determining an opening degree adjusting strategy of the third expansion valve to control the third expansion valve according to the opening degree of the existing expansion valve under the condition that the second temperature is larger than the first threshold value and smaller than the second threshold value; and under the condition that the second temperature is larger than a second threshold value, determining an opening degree adjusting strategy of the third expansion valve to increase the opening degree of the third expansion valve to a fourth target opening degree, wherein the fourth target opening degree is the sum of the current opening degree and the preset opening degree. The first threshold value and the second threshold value are determined by a proper temperature range of the air conditioner motor, the proper temperature range of the air conditioner motor is the optimal temperature operation range of the air conditioner motor, the first threshold value is the lowest value of the proper temperature range, the second threshold value is the highest value of the proper temperature range, and the proper temperature range of the motor can be determined through the model of the motor. As an example, if the suitable temperature range of the motor is 30-50, the first threshold is determined to be 30 and the second threshold is determined to be 50. The preset opening degree may be stored in the air conditioner in advance, and as an example, the preset opening degree is 20.
Further, after the air conditioner determines the opening degree adjustment strategy of the first expansion valve and the opening degree adjustment strategy of the third expansion valve, the opening degree adjustment strategy of the first expansion valve and the opening degree adjustment strategy of the third expansion valve may be determined as the opening degree adjustment strategy of the air conditioner expansion valve in the cooling mode or the dehumidifying mode. In this way, the temperature conditions of the indoor and outdoor motor shells can be judged by combining the first temperature and the second temperature under the condition of the air conditioner operation refrigeration mode, so that the accurate determination of the opening degree regulation strategy of the air conditioner expansion valve is realized.
Optionally, S32, the air conditioner determines an opening adjustment strategy of an expansion valve of the air conditioner according to the first temperature and the second temperature, including:
and the air conditioner determines an opening degree adjusting strategy of the second expansion valve according to the first temperature.
The air conditioner determines an opening degree adjusting strategy of the third expansion valve according to the second temperature;
the air conditioner determines the opening degree adjustment strategy of the second expansion valve and the opening degree adjustment strategy of the third expansion valve as the opening degree adjustment strategy of the air conditioner expansion valve in the heating mode.
In this scheme, heat transfer device includes first heat transfer device and second heat transfer device, and first heat transfer device sets up in the indoor motor shell of air conditioner, and second heat transfer device sets up in the outdoor motor shell of air conditioner, and the second expansion valve sets up in the refrigerant input side of first heat transfer device under the heating mode, and the third expansion valve sets up in the refrigerant input side of second heat transfer device.
Further, under the condition that the air conditioner operates in a heating mode, the air conditioner can judge the temperature condition of the indoor motor shell by combining the first temperature, so that the opening degree adjusting strategy of the second expansion valve is determined. Specifically, the air conditioner determines an opening degree adjustment strategy of the second expansion valve according to the first temperature, and the air conditioner comprises the following steps: determining an opening degree adjustment strategy of the second expansion valve to reduce the opening degree of the second expansion valve to a fifth target opening degree under the condition that the first temperature is smaller than a first threshold value, wherein the fifth target opening degree is the difference between the current opening degree and a preset opening degree; under the condition that the first temperature is larger than a first threshold value and smaller than a second threshold value, determining an opening degree adjusting strategy of the second expansion valve to control the second expansion valve according to the opening degree of the existing expansion valve; determining an opening degree adjustment strategy of the second expansion valve to increase the opening degree of the second expansion valve to a sixth target opening degree under the condition that the first temperature is larger than a second threshold value, wherein the sixth target opening degree is the sum of the current opening degree and a preset opening degree; under the condition that the air conditioner operates in a heating mode, the air conditioner can also judge the temperature condition of the outdoor motor shell by combining the second temperature, so that the opening degree adjustment strategy of the third expansion valve is accurately determined. Specifically, the air conditioner determines an opening degree adjustment strategy of the third expansion valve according to the second temperature, and the air conditioner comprises the following steps: determining an opening degree adjustment strategy of the third expansion valve to reduce the opening degree of the third expansion valve to a seventh target opening degree under the condition that the second temperature is smaller than the first threshold value, wherein the seventh target opening degree is the difference between the current opening degree and the preset opening degree; determining an opening degree adjusting strategy of the third expansion valve to control the third expansion valve according to the opening degree of the existing expansion valve under the condition that the second temperature is larger than the first threshold value and smaller than the second threshold value; and under the condition that the second temperature is larger than a second threshold value, determining an opening degree adjustment strategy of the third expansion valve to increase the opening degree of the third expansion valve to an eighth target opening degree, wherein the eighth target opening degree is the sum of the current opening degree and the preset opening degree. The first threshold value and the second threshold value are determined by a proper temperature range of the air conditioner motor, the proper temperature range of the air conditioner motor is the optimal temperature operation range of the air conditioner motor, the first threshold value is the lowest value of the proper temperature range, the second threshold value is the highest value of the proper temperature range, and the proper temperature range of the motor can be determined through the model of the motor. As an example, if the suitable temperature range of the motor is 30-50, the first threshold is determined to be 30 and the second threshold is determined to be 50. The preset opening degree may be stored in the air conditioner in advance, and as an example, the preset opening degree is 20.
Further, after the air conditioner determines the opening degree adjustment strategy of the second expansion valve and the opening degree adjustment strategy of the third expansion valve, the opening degree adjustment strategy of the second expansion valve and the opening degree adjustment strategy of the third expansion valve may be determined as the opening degree adjustment strategy of the air conditioner expansion valve in the heating mode. In this way, the temperature conditions of the indoor and outdoor motor shells can be judged by combining the first temperature and the second temperature under the condition that the air conditioner operates in a heating mode, so that the accurate determination of the opening degree adjusting strategy of the expansion valve of the air conditioner is realized.
Optionally, S12, the air conditioner acquires a first temperature acquired by the first temperature sensor and a second temperature acquired by the second temperature sensor, including:
the air conditioner determines an initial control strategy of an air conditioner expansion valve that matches the current operation mode.
Under the condition that the air conditioner operates according to an initial control strategy, the air conditioner acquires a first temperature acquired by a first temperature sensor and a second temperature acquired by a second temperature sensor.
In the scheme, the air conditioner can prestore the association relation between different operation modes and the initial control strategy of the expansion valve of the air conditioner. As an example, if the current operation mode of the air conditioner is the cooling mode, determining an initial control strategy of the expansion valve of the air conditioner matched with the current operation mode of the air conditioner to control the first expansion valve and the third expansion valve to be started according to a preset step number. If the current running mode of the air conditioner is a heating mode, determining an initial control strategy of an air conditioner expansion valve matched with the current running mode of the air conditioner to control the second expansion valve and the third expansion valve to be started according to the preset step number. Here, the preset number of steps is preset in the air conditioner by the user. As an example, the preset number of steps is 200 steps. Further, the air conditioner may acquire the first temperature acquired by the first temperature sensor and the second temperature acquired by the second temperature sensor under the condition of operating according to the initial control strategy. In this way, the acquisition time of the first temperature and the second temperature is accurately determined, and the accuracy of data acquisition is ensured.
FIG. 4 is a schematic diagram of another method for adjusting an air conditioning expansion valve provided by an embodiment of the present disclosure; as shown in connection with fig. 4, another method for adjusting an expansion valve of an air conditioner according to an embodiment of the present disclosure includes:
s41, the air conditioner acquires a proper temperature range of an air conditioner motor.
S42, under the condition that the first temperature acquired by the first temperature sensor and the second temperature acquired by the second temperature sensor both fall into a proper temperature range, the air conditioner control air conditioner stops executing the regulation strategy of the air conditioner expansion valve.
In this scheme, the air conditioner can acquire the suitable temperature range of air conditioner motor. Here, the suitable temperature range of the air conditioner motor refers to an optimal temperature operation range of the air conditioner motor, and is generally determined by the model of the motor. As an example, the air conditioner may pre-store suitable temperature ranges for different models of air conditioner motors, and after the air conditioner determines the motor model, accurate determination of the suitable temperature ranges is achieved. Further, under the condition that the first temperature acquired by the first temperature sensor and the second temperature acquired by the second temperature sensor both fall into a proper temperature range, the air conditioner control air conditioner stops executing the regulation strategy of the air conditioner expansion valve. In this way, the air conditioner is controlled to stop executing the regulation strategy of the expansion valve of the air conditioner in case that the temperature conditions of the indoor motor and the outdoor motor coincide with the proper temperature range. The energy-saving control requirement of the user on the air conditioner is effectively met by accurately determining the end time.
FIG. 5 is a schematic diagram of an apparatus for adjusting an expansion valve of an air conditioner according to an embodiment of the present disclosure; as shown in conjunction with fig. 5, an embodiment of the present disclosure provides an apparatus for adjusting an expansion valve of an air conditioner, including a detection module 51, an acquisition module 52, a determination module 53, and a control module 54. The detection module 51 is configured to detect a current operation mode of the air conditioner; the acquisition module 52 is configured to acquire a first temperature acquired by the first temperature sensor and a second temperature acquired by the second temperature sensor; the determining module 53 is configured to determine an adjustment strategy for the air conditioning expansion valve according to the current operating mode, the first temperature, and the second temperature; the control module 54 is configured to control the air conditioner in accordance with an adjustment strategy of an expansion valve of the air conditioner to control a flow rate of the refrigerant flowing through the heat exchange device.
By adopting the device for adjusting the expansion valve of the air conditioner, which is provided by the embodiment of the disclosure, the current operation mode of the air conditioner is detected; acquiring a first temperature acquired by a first temperature sensor and a second temperature acquired by a second temperature sensor; therefore, according to the current operation mode, the first temperature and the second temperature, the adjusting strategy of the air conditioner expansion valve is determined; and then the air conditioner is controlled according to the regulating strategy of the expansion valve of the air conditioner. With this scheme, can combine the accurate regulation strategy of air conditioner expansion valve of current running mode, first temperature and second temperature to under the condition of controlling the air conditioner according to the regulation strategy of air conditioner expansion valve, through controlling the refrigerant flow who flows through heat transfer device, effectively regulate and control the temperature when the motor is operated, guarantee reliability and the efficiency of motor, utilize the mode that the refrigerant cooled down can effectively retrieve the calorific capacity of motor simultaneously, improve the efficiency of air conditioner.
FIG. 6 is a schematic diagram of another apparatus for regulating an air conditioning expansion valve provided by an embodiment of the present disclosure; as shown in connection with fig. 6, an embodiment of the present disclosure provides an apparatus for adjusting an expansion valve of an air conditioner, including a processor (processor) 100 and a memory (memory) 101. Optionally, the apparatus may further include a communication interface (communication interface) 102 and a bus 103. The processor 100, the communication interface 102, and the memory 101 may communicate with each other via the bus 103. The communication interface 102 may be used for information transfer. The processor 100 may invoke logic instructions in the memory 101 to perform the method for adjusting an air conditioning expansion valve of the above-described embodiments.
Further, the logic instructions in the memory 101 described above may be implemented in the form of software functional units and may be stored in a computer readable storage medium when sold or used as a stand alone product.
The memory 101 is a computer readable storage medium that can be used to store a software program, a computer executable program, such as program instructions/modules corresponding to the methods in the embodiments of the present disclosure. The processor 100 executes functional applications and data processing by running program instructions/modules stored in the memory 101, i.e., implements the method for adjusting an expansion valve of an air conditioner in the above-described embodiments.
The memory 101 may include a storage program area and a storage data area, wherein the storage program area may store an operating system, at least one application program required for a function; the storage data area may store data created according to the use of the terminal device, etc. Further, the memory 101 may include a high-speed random access memory, and may also include a nonvolatile memory.
The embodiment of the disclosure provides an air conditioner, which comprises the device for adjusting an expansion valve of the air conditioner.
Embodiments of the present disclosure provide a computer-readable storage medium storing computer-executable instructions configured to perform the above-described method for adjusting an expansion valve of an air conditioner.
The disclosed embodiments provide a computer program product comprising a computer program stored on a computer readable storage medium, the computer program comprising program instructions which, when executed by a computer, cause the computer to perform the above-described method for adjusting an expansion valve of an air conditioner.
The computer readable storage medium may be a transitory computer readable storage medium or a non-transitory computer readable storage medium.
Embodiments of the present disclosure may be embodied in a software product stored on a storage medium, including one or more instructions for causing a computer device (which may be a personal computer, a server, or a network device, etc.) to perform all or part of the steps of a method according to embodiments of the present disclosure. And the aforementioned storage medium may be a non-transitory storage medium including: a plurality of media capable of storing program codes, such as a usb disk, a removable hard disk, a Read-only memory (ROM), a random access memory (RAM, randomAccessMemory), a magnetic disk, or an optical disk, or a transitory storage medium.
The above description and the drawings illustrate embodiments of the disclosure sufficiently to enable those skilled in the art to practice them. Other embodiments may involve structural, logical, electrical, process, and other changes. The embodiments represent only possible variations. Individual components and functions are optional unless explicitly required, and the sequence of operations may vary. Portions and features of some embodiments may be included in, or substituted for, those of others. Moreover, the terminology used in the present application is for the purpose of describing embodiments only and is not intended to limit the claims. As used in the description of the embodiments and the claims, the singular forms "a," "an," and "the" (the) are intended to include the plural forms as well, unless the context clearly indicates otherwise. Similarly, the term "and/or" as used in this application is meant to encompass any and all possible combinations of one or more of the associated listed. Furthermore, when used in this application, the terms "comprises," "comprising," and/or "includes," and variations thereof, mean that the stated features, integers, steps, operations, elements, and/or components are present, but that the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof is not precluded. Without further limitation, an element defined by the phrase "comprising one …" does not exclude the presence of other like elements in a process, method or apparatus comprising such elements. In this context, each embodiment may be described with emphasis on the differences from the other embodiments, and the same similar parts between the various embodiments may be referred to each other. For the methods, products, etc. disclosed in the embodiments, if they correspond to the method sections disclosed in the embodiments, the description of the method sections may be referred to for relevance.
Those of skill in the art will appreciate that the various illustrative elements and algorithm steps described in connection with the embodiments disclosed herein may be implemented as electronic hardware, or combinations of computer software and electronic hardware. Whether such functionality is implemented as hardware or software depends upon the particular application and design constraints imposed on the solution. The skilled artisan may use different methods for each particular application to achieve the described functionality, but such implementation should not be considered to be beyond the scope of the embodiments of the present disclosure. It will be clearly understood by those skilled in the art that, for convenience and brevity of description, specific working procedures of the above-described systems, apparatuses and units may refer to corresponding procedures in the foregoing method embodiments, which are not repeated herein.
In the embodiments disclosed herein, the disclosed methods, articles of manufacture (including but not limited to devices, apparatuses, etc.) may be practiced in other ways. For example, the apparatus embodiments described above are merely illustrative, and for example, the division of the units may be merely a logical function division, and there may be additional divisions when actually implemented, for example, multiple units or components may be combined or integrated into another system, or some features may be omitted, or not performed. In addition, the coupling or direct coupling or communication connection shown or discussed with each other may be through some interface, device or unit indirect coupling or communication connection, which may be in electrical, mechanical or other form. The units described as separate units may or may not be physically separate, and units shown as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units may be selected according to actual needs to implement the present embodiment. In addition, each functional unit in the embodiments of the present disclosure may be integrated in one processing unit, or each unit may exist alone physically, or two or more units may be integrated in one unit.
The flowcharts and block diagrams in the figures illustrate the architecture, functionality, and operation of possible implementations of systems, methods and computer program products according to embodiments of the present disclosure. In this regard, each block in the flowchart or block diagrams may represent a module, segment, or portion of code, which comprises one or more executable instructions for implementing the specified logical function(s). In some alternative implementations, the functions noted in the block may occur out of the order noted in the figures. For example, two blocks shown in succession may, in fact, be executed substantially concurrently, or the blocks may sometimes be executed in the reverse order, depending upon the functionality involved. In the description corresponding to the flowcharts and block diagrams in the figures, operations or steps corresponding to different blocks may also occur in different orders than that disclosed in the description, and sometimes no specific order exists between different operations or steps. For example, two consecutive operations or steps may actually be performed substantially in parallel, they may sometimes be performed in reverse order, which may be dependent on the functions involved. Each block of the block diagrams and/or flowchart illustration, and combinations of blocks in the block diagrams and/or flowchart illustration, can be implemented by special purpose hardware-based systems which perform the specified functions or acts, or combinations of special purpose hardware and computer instructions.

Claims (10)

1. A method for adjusting an expansion valve of an air conditioner, wherein an indoor motor housing of the air conditioner is provided with a first temperature sensor for detecting a temperature, and an outdoor motor housing of the air conditioner is provided with a second temperature sensor for detecting a temperature, the method comprising:
detecting the current running mode of the air conditioner;
acquiring a first temperature acquired by the first temperature sensor and a second temperature acquired by the second temperature sensor;
determining an adjusting strategy of the air conditioner expansion valve according to the current running mode, the first temperature and the second temperature;
the air conditioner is controlled according to the regulation strategy of the expansion valve of the air conditioner so as to control the flow of the refrigerant flowing through the heat exchange device, and the heat exchange device is arranged on the indoor motor housing and/or the outdoor motor housing.
2. The method of claim 1, wherein the determining the air conditioning expansion valve adjustment strategy based on the current operating mode, the first temperature, and the second temperature comprises:
determining an on-off regulation strategy of the air conditioner expansion valve according to the current operation mode;
determining an opening degree adjusting strategy of the air conditioner expansion valve according to the first temperature and the second temperature;
And determining the on-off regulation strategy and/or the opening regulation strategy as the regulation strategy of the air conditioner expansion valve.
3. The method of claim 2, wherein determining the on-off adjustment strategy of the air conditioner expansion valve according to the current operating mode comprises:
determining an on-off regulation strategy of the air conditioner expansion valve to control the first expansion valve and the third expansion valve to be opened and the second expansion valve to be closed under the condition that the current operation mode is a refrigeration mode or a dehumidification mode;
under the condition that the current operation mode is a heating mode, determining an on-off regulation strategy of the air conditioner expansion valve to control the second expansion valve and the third expansion valve to be opened and control the second expansion valve to be closed;
the heat exchange device comprises a first heat exchange device and a second heat exchange device, the first heat exchange device is arranged on an indoor motor shell of the air conditioner, the second heat exchange device is arranged on an outdoor motor shell of the air conditioner, the first expansion valve is arranged on a refrigerant input side of the first heat exchange device in a refrigerating mode, the second expansion valve is arranged on a refrigerant input side of the first heat exchange device in a heating mode, and the third expansion valve is arranged on a refrigerant input side of the second heat exchange device.
4. The method of claim 2, wherein determining the opening adjustment strategy of the air conditioner expansion valve according to the first temperature and the second temperature comprises:
determining an opening degree adjusting strategy of a first expansion valve according to the first temperature;
determining an opening degree adjusting strategy of a third expansion valve according to the second temperature;
determining an opening degree adjustment strategy of the first expansion valve and an opening degree adjustment strategy of the third expansion valve as an opening degree adjustment strategy of the air conditioner expansion valve in a refrigeration mode or a dehumidification mode;
the heat exchange device comprises a first heat exchange device and a second heat exchange device, the first heat exchange device is arranged on an indoor motor shell of the air conditioner, the second heat exchange device is arranged on an outdoor motor shell of the air conditioner, the first expansion valve is arranged on a refrigerant input side of the first heat exchange device in a refrigerating mode, and the third expansion valve is arranged on a refrigerant input side of the second heat exchange device.
5. The method of claim 2, wherein determining the opening adjustment strategy of the air conditioner expansion valve according to the first temperature and the second temperature comprises:
Determining an opening degree adjusting strategy of a second expansion valve according to the first temperature;
determining an opening degree adjusting strategy of a third expansion valve according to the second temperature;
determining an opening degree adjustment strategy of the second expansion valve and an opening degree adjustment strategy of the third expansion valve as an opening degree adjustment strategy of the air-conditioning expansion valve in a heating mode;
the heat exchange device comprises a first heat exchange device and a second heat exchange device, the first heat exchange device is arranged on an indoor motor shell of the air conditioner, the second heat exchange device is arranged on an outdoor motor shell of the air conditioner, the second expansion valve is arranged on a refrigerant input side of the first heat exchange device in a heating mode, and the third expansion valve is arranged on a refrigerant input side of the second heat exchange device.
6. The method of claim 1, wherein the acquiring the first temperature acquired by the first temperature sensor and the second temperature acquired by the second temperature sensor comprises:
determining an initial control strategy of an air conditioner expansion valve matched with the current operation mode;
and under the condition that the air conditioner operates according to the initial control strategy, acquiring the first temperature acquired by the first temperature sensor and the second temperature acquired by the second temperature sensor.
7. The method of claim 1, wherein after controlling the air conditioner in accordance with a regulation strategy of the expansion valve of the air conditioner, the method further comprises:
acquiring a proper temperature range of an air conditioner motor;
and under the condition that the first temperature acquired by the first temperature sensor and the second temperature acquired by the second temperature sensor both fall into the proper temperature range, controlling the air conditioner to stop executing the regulation strategy of the air conditioner expansion valve.
8. An apparatus for adjusting an expansion valve of an air conditioner, wherein an indoor motor housing of the air conditioner is provided with a first temperature sensor for detecting a temperature, and an outdoor motor housing of the air conditioner is provided with a second temperature sensor for detecting a temperature, the apparatus comprising:
the detection module is configured to detect the current running mode of the air conditioner;
an acquisition module configured to acquire a first temperature acquired by the first temperature sensor and a second temperature acquired by the second temperature sensor;
the determining module is configured to determine an adjusting strategy of the air conditioner expansion valve according to the current operation mode, the first temperature and the second temperature;
And the control module is configured to control the air conditioner according to the regulation strategy of the expansion valve of the air conditioner so as to control the flow of the refrigerant flowing through the heat exchange device, and the heat exchange device is arranged on the indoor motor housing and/or the outdoor motor housing.
9. An apparatus for regulating an air conditioning expansion valve comprising a processor and a memory storing program instructions, wherein the processor is configured to perform the method for regulating an air conditioning expansion valve of any of claims 1 to 7 when the program instructions are run.
10. A storage medium storing program instructions which, when executed, perform the method for adjusting an expansion valve of an air conditioner as claimed in any one of claims 1 to 7.
CN202310140204.4A 2023-02-20 2023-02-20 Method, device and storage medium for adjusting expansion valve of air conditioner Pending CN116242006A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202310140204.4A CN116242006A (en) 2023-02-20 2023-02-20 Method, device and storage medium for adjusting expansion valve of air conditioner

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202310140204.4A CN116242006A (en) 2023-02-20 2023-02-20 Method, device and storage medium for adjusting expansion valve of air conditioner

Publications (1)

Publication Number Publication Date
CN116242006A true CN116242006A (en) 2023-06-09

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202310140204.4A Pending CN116242006A (en) 2023-02-20 2023-02-20 Method, device and storage medium for adjusting expansion valve of air conditioner

Country Status (1)

Country Link
CN (1) CN116242006A (en)

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