CN116182369A - Method and device for controlling air outlet temperature of air conditioner, air conditioner and storage medium - Google Patents

Method and device for controlling air outlet temperature of air conditioner, air conditioner and storage medium Download PDF

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Publication number
CN116182369A
CN116182369A CN202310067742.5A CN202310067742A CN116182369A CN 116182369 A CN116182369 A CN 116182369A CN 202310067742 A CN202310067742 A CN 202310067742A CN 116182369 A CN116182369 A CN 116182369A
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Prior art keywords
temperature
air
target
air outlet
air conditioner
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CN202310067742.5A
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Chinese (zh)
Inventor
荆涛
蔡泽瑶
马振豪
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Qingdao Haier Air Conditioner Gen Corp Ltd
Qingdao Haier Air Conditioning Electric Co Ltd
Haier Smart Home Co Ltd
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Qingdao Haier Air Conditioner Gen Corp Ltd
Qingdao Haier Air Conditioning Electric Co Ltd
Haier Smart Home Co Ltd
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Priority to CN202310067742.5A priority Critical patent/CN116182369A/en
Publication of CN116182369A publication Critical patent/CN116182369A/en
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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
    • F24F11/89—Arrangement or mounting of control or safety devices
    • 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
    • F24F11/67—Switching between heating and cooling modes
    • 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
    • F24F11/70—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
    • F24F11/86—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling compressors within refrigeration or heat pump circuits
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2110/00—Control inputs relating to air properties
    • F24F2110/10—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)
  • Thermal Sciences (AREA)
  • Air Conditioning Control Device (AREA)

Abstract

The application relates to the technical field of intelligent household appliances, and discloses a method for controlling the air outlet temperature of an air conditioner, which comprises the following steps: responding to an operation instruction of an air conditioner, and acquiring the current air outlet temperature and the preset air outlet temperature; determining the target temperature of the indoor unit coil according to a first temperature difference between a preset air outlet temperature and a current air outlet temperature; according to the corresponding relation between the temperature difference and the air conditioning parameters, determining a target value of the air conditioning parameters corresponding to the first temperature difference; sequentially adjusting the air conditioning parameters to target values according to the sequence so as to enable the temperature of the coil pipe of the indoor unit to reach the target temperature; the adjusting sequence of the air conditioning parameters is the operating frequency of the compressor, the pressure of the exhaust refrigerant of the compressor, the circulation speed of the refrigerant and the gas-liquid ratio of the return air refrigerant of the compressor in sequence. The method can enable the performance of the air conditioner to be quickly adjusted according to the parameters, thereby ensuring the accurate adjustment of the air outlet temperature and realizing energy conservation. The application also discloses a device for controlling the air outlet temperature of the air conditioner, the air conditioner and a storage medium.

Description

Method and device for controlling air outlet temperature of air conditioner, air conditioner and storage medium
Technical Field
The application relates to the technical field of intelligent household appliances, and for example relates to a method and device for controlling the air outlet temperature of an air conditioner, the air conditioner and a storage medium.
Background
As home appliances are popularized and increased, the consumption of energy by the home appliances is increased. How to save energy is an important problem to be solved at present. The air conditioner in the household appliance has larger fluctuation in the running process due to factors such as voltage, current, refrigerant content and the like, and has unstable energy efficiency in the fluctuation process, thereby causing larger energy waste.
In the related art, a control method of an air conditioner is disclosed, comprising: detecting the air outlet temperature of the air outlets corresponding to all the indoor heat exchangers; the opening degree of the electronic expansion valve is adjusted according to the running mode and the air outlet temperature of the air conditioner, and the coil pipe temperatures of all indoor heat exchangers are detected; adjusting the frequency of the compressor according to the temperature of the coil pipe and the opening of the electronic expansion valve; wherein, adjusting the frequency of the compressor according to the coil temperature and the opening of the electronic expansion valve comprises: when the operation mode of the air conditioner is a cooling mode: when the coil temperature of the first indoor heat exchanger is in a first temperature interval and the opening of the first electronic expansion valve is in a first opening interval, increasing the frequency of the compressor; the first indoor heat exchanger is any one of a plurality of indoor heat exchangers in the indoor unit, and the first electronic expansion valve is connected with the first indoor heat exchanger; when the coil temperatures of all the indoor heat exchangers are in the second temperature interval and the opening of the first electronic expansion valve is in the second opening interval, the frequency of the compressor is kept unchanged; when the coil temperature of the first indoor heat exchanger is located in the third temperature interval, the frequency of the compressor is adjusted according to the change of the coil temperature of the first indoor heat exchanger.
In the process of implementing the embodiments of the present disclosure, it is found that at least the following problems exist in the related art:
the related art adjusts the air outlet temperature of a plurality of indoor heat exchangers of the multi-split air conditioner, and the mode is not applicable to a single air conditioner. For a single-machine air conditioner, the frequency of the compressor and the opening of the electronic expansion valve are repeatedly adjusted, so that the operation fluctuation of the air conditioner generates larger energy waste.
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 and a device for controlling the air outlet temperature of an air conditioner, the air conditioner and a storage medium, so that the air outlet temperature of the air conditioner is accurately controlled, and the waste of energy sources is reduced.
In some embodiments, the method comprises: responding to an operation instruction of an air conditioner, and acquiring the current air outlet temperature and the preset air outlet temperature; determining the target temperature of the indoor unit coil according to the first temperature difference between the preset air outlet temperature and the current air outlet temperature; according to the corresponding relation between the temperature difference and the air conditioning parameters, determining a target value of the air conditioning parameters corresponding to the first temperature difference; sequentially adjusting the air conditioning parameters to the target values in sequence so as to enable the indoor unit coil temperature to reach the target temperature; the adjusting sequence of the air conditioning parameters is sequentially the operating frequency of the compressor, the pressure of the exhaust refrigerant of the compressor, the circulation speed of the refrigerant and the gas-liquid ratio of the return air refrigerant of the compressor.
In some embodiments, the apparatus comprises: a processor and a memory storing program instructions, the processor being configured to perform the method for controlling the air conditioner outlet temperature as described above when the program instructions are executed.
In some embodiments, the air conditioner includes: an air conditioner body; and the device for controlling the air outlet temperature of the air conditioner is arranged on the air conditioner body.
In some embodiments, the storage medium stores program instructions that, when executed, perform a method for controlling an air conditioner outlet temperature as previously described.
The method, the device, the air conditioner and the storage medium for controlling the air outlet temperature of the air conditioner provided by the embodiment of the disclosure can realize the following technical effects:
in the embodiment of the disclosure, based on a first temperature difference between a current air outlet temperature and a preset air outlet temperature of an air conditioner, a corresponding compressor running frequency, an exhaust refrigerant pressure of the compressor, a refrigerant circulation speed and a return air refrigerant gas-liquid ratio target value of the compressor are determined; and sequentially adjusting the parameters of the air conditioner to reach target values. Therefore, the performance of the air conditioner can be quickly adjusted according to the parameters, so that the temperature of the coil pipe of the indoor unit meets the target temperature corresponding to the first temperature difference. Further, accurate adjustment of the air outlet temperature is guaranteed, and energy conservation is facilitated.
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 an air conditioning system according to an embodiment of the present disclosure;
FIG. 2 is a schematic diagram of a method for controlling the temperature of the air exiting an air conditioner according to an embodiment of the present disclosure;
FIG. 3 is a schematic diagram of another method for controlling the temperature of the air out of an air conditioner according to an embodiment of the present disclosure;
FIG. 4 is a schematic diagram of another method for controlling the temperature of the air out of an air conditioner according to an embodiment of the present disclosure;
FIG. 5 is a schematic diagram of another method for controlling the temperature of the air out of an air conditioner according to an embodiment of the present disclosure;
FIG. 6 is a schematic diagram of an apparatus for controlling the temperature of the air exiting an air conditioner according to an embodiment of the present disclosure;
fig. 7 is a schematic view of an air conditioner provided in an embodiment of the present disclosure.
Reference numerals:
11: a compressor; 12: a four-way valve; 13: an indoor heat exchanger; 14: a throttle valve; 15: an outdoor heat exchanger; 21: a first electromagnetic valve; 22: and a second electromagnetic valve.
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.
As shown in connection with fig. 1, the air conditioning system includes a compressor 11, a four-way valve 12, an indoor heat exchanger 13, a throttle valve 14, and an outdoor heat exchanger 15. The compressor 11, the four-way valve 12, the indoor heat exchanger 13, the throttle valve 14 and the outdoor heat exchanger 15 are sequentially connected through pipelines to form a refrigerant circulation loop. The exhaust line and the return line of the compressor 11 are provided with a first solenoid valve 21 and a second solenoid valve 22, respectively. The discharge refrigerant pressure of the compressor 11 can be changed by adjusting the opening of the first solenoid valve 21. The gas-liquid ratio of the return air refrigerant of the compressor 11 can be changed by adjusting the opening of the first electromagnetic valve 21 and the opening of the second electromagnetic valve 22. In the heating mode, the gas-liquid ratio of the return air refrigerant is the gas-liquid ratio of the refrigerant flowing back from the outdoor heat exchanger 15 to the compressor 11. The throttle valve 14 is adjusted to change the flow rate of the refrigerant.
Referring to fig. 2, an embodiment of the present disclosure provides a method for controlling an air outlet temperature of an air conditioner, including:
s101, the processor responds to an operation instruction of the air conditioner to obtain the current air outlet temperature and the preset air outlet temperature.
S102, the processor determines the target temperature of the indoor unit coil according to a first temperature difference between the preset air outlet temperature and the current air outlet temperature.
S103, the processor determines a target value of the air conditioning parameter corresponding to the first temperature difference according to the corresponding relation between the temperature difference and the air conditioning parameter. The air conditioning parameters comprise the operating frequency of the compressor, the pressure of the exhaust refrigerant of the compressor, the circulation speed of the refrigerant and the gas-liquid ratio of the return air refrigerant of the compressor.
And S104, the processor sequentially adjusts the air conditioning parameters to target values in order to enable the temperature of the indoor unit coil pipe to reach the target temperature.
Here, the air conditioner starts operation in response to the operation instruction. And detecting and obtaining the current air outlet temperature at the air outlet of the air conditioner through a temperature sensor, and obtaining the preset air outlet temperature. The preset outlet air temperature may be determined according to a target temperature set by a user when the air conditioner is started. And calculating a first temperature difference between the preset air outlet temperature and the current air outlet temperature, and determining the target temperature of the indoor unit coil according to the first temperature difference. When the air conditioner operates in a heating mode, the first temperature difference is a difference value between a preset air outlet temperature and a current air outlet temperature. When the air conditioner operates in a refrigeration mode, the first temperature difference is the difference between the current air outlet temperature and the preset air outlet temperature. I.e. the first temperature difference takes a positive value. The first temperature and the indoor unit coil temperature have a mapping relation, and the target temperature of the indoor unit coil temperature can be obtained through table lookup. Alternatively, the first temperature and the indoor unit coil temperature have a non-linear relationship, and the corresponding target temperature may be determined based on the non-linear relationship.
Further, according to the corresponding relation between the temperature difference and the air conditioner parameters, a target value corresponding to the first temperature difference is determined, and the target value is adjusted in sequence according to a preset sequence. Taking an air conditioner operation heating mode as an example for explanation, the larger the first temperature difference is, the lower the indoor temperature is. At this time, the larger the air conditioning parameter should be to raise the temperature of the indoor unit coil. Specifically, the greater the first temperature difference, the higher the compressor operating frequency, the greater the compressor discharge refrigerant pressure, the faster the refrigerant circulation speed, and the higher the compressor return air refrigerant gas-liquid ratio, and are sequentially adjusted. Therefore, the air conditioner performance can be quickly adjusted in place, so that the temperature of the coil pipe of the indoor unit can reach the target temperature, and the air outlet temperature is adjusted.
By adopting the method for controlling the air outlet temperature of the air conditioner provided by the embodiment of the disclosure, the corresponding compressor running frequency, the exhaust refrigerant pressure of the compressor, the refrigerant circulation speed and the target value of the return air refrigerant gas-liquid ratio of the compressor are determined based on the current air outlet temperature of the air conditioner and the first temperature difference of the preset air outlet temperature; and sequentially adjusting the parameters of the air conditioner to reach target values. Therefore, the performance of the air conditioner can be quickly adjusted according to the parameters, so that the temperature of the coil pipe of the indoor unit meets the target temperature corresponding to the first temperature difference. Further, accurate adjustment of the air outlet temperature is guaranteed, and energy conservation is facilitated.
Optionally, in step S102, the processor determines, according to a first temperature difference between a preset air outlet temperature and a current air outlet temperature, a target temperature of the indoor unit coil, including:
in the heating mode, the larger the first temperature difference between the preset air outlet temperature and the current air outlet temperature is, the higher the target temperature of the indoor unit coil is.
In the refrigeration mode, the larger the temperature difference between the preset air outlet temperature and the current air outlet temperature is, the lower the target temperature of the indoor unit coil is.
Here, the air conditioner has different operation modes, and the temperature of the indoor unit coil has different change trends along with the first temperature difference. In the heating mode, the larger the first temperature difference is, the lower the current air outlet temperature is. Therefore, the higher the target temperature of the indoor unit coil is, the higher the air outlet temperature is, and the air outlet temperature is made to approach to the preset air outlet temperature. In the cooling mode, the larger the first temperature difference is, the higher the current air outlet temperature is. Therefore, the lower the target temperature of the indoor unit coil is, the lower the air outlet temperature is, and the preset air outlet temperature is reached.
Optionally, in step S104, the processor sequentially adjusts the air conditioning parameters to target values in sequence includes:
the processor adjusts the compressor operating frequency to a target operating frequency.
The processor adjusts the opening of the first electromagnetic valve to a first target opening so as to enable the pressure of the exhaust refrigerant of the compressor to reach the target pressure.
The processor adjusts the throttle valve to a second target opening degree so that the refrigerant circulation speed reaches a target speed.
The processor adjusts the opening of the second electromagnetic valve to a third target opening so that the gas-liquid ratio of the air return refrigerant of the compressor reaches the target gas-liquid ratio.
Here, the parameters of the air conditioner are sequentially adjusted in order, and the adjustment of the next parameter is performed after the previous parameter reaches the target value. The adjustment sequence is an optimal adjustment sequence determined based on energy efficiency criteria. Some of the air conditioning parameters require adjustment of the corresponding air conditioning components to modulate the parameters to target values. Specifically, after the compressor frequency reaches the target operating frequency, the compressor discharge refrigerant pressure is related only to the first solenoid valve opening in the compressor discharge line. The larger the opening of the first solenoid valve is, the smaller the discharge refrigerant pressure is. The smaller the opening degree is, the greater the discharge refrigerant pressure is. In the case where the compressor frequency and the parameters of the first solenoid valve are fixed, the refrigerant flow rate mainly depends on the opening degree of the throttle valve. The smaller the throttle opening, the faster the refrigerant circulation rate. Similarly, when the parameters of the compressor and the first solenoid valve are fixed, the gas-liquid ratio of the refrigerant in the return line is mainly related to the opening degree of the second solenoid valve in the return line of the compressor. The pressure of the return air refrigerant is changed by adjusting the second electromagnetic valve, so that the gas-liquid ratio is adjusted. When the opening of the first solenoid valve is unchanged, the larger the opening of the second solenoid valve is, the larger the gas-liquid ratio is.
In some embodiments, after the compressor operating frequency and the discharge refrigerant pressure sequentially reach target values, the gas-liquid ratio may be brought to the target gas-liquid ratio by adjusting the first solenoid valve and the second solenoid valve. The smaller the opening of the first electromagnetic valve is, the larger the opening of the second electromagnetic valve is, and the larger the gas-liquid ratio is. The sequential adjustment of the parameters to the target values means that the compressor operating frequency is adjusted to the target values, and then the discharge refrigerant pressure is adjusted. If the compressor operating frequency deviates from the target value when the discharge refrigerant pressure is adjusted, no attention is paid to the compressor operating frequency. In this way, repeated adjustment of a parameter or parameters is avoided. The load of the air conditioning system can be increased forcibly due to repeated adjustment of part of parameters, which is unfavorable for the system to achieve the optimal performance and causes the waste of energy.
Optionally, the correspondence between the temperature difference and the air conditioning parameter is shown in table 1, where the correspondence table is the corresponding value of the air conditioning parameter under different temperature differences determined by multiple tests. Wherein, as the value of the difference value increases, the value of each air conditioning parameter increases.
Table 1 correspondence between temperature difference and air conditioning parameters
Figure BDA0004063554500000071
Referring to fig. 3, another method for controlling an air outlet temperature of an air conditioner according to an embodiment of the present disclosure includes:
s201, the processor responds to an operation instruction of the air conditioner to acquire the current air outlet temperature and the preset air outlet temperature.
S202, the processor determines the target temperature of the indoor unit coil according to a first temperature difference between the preset air outlet temperature and the current air outlet temperature.
S203, the processor determines a target value of the air conditioning parameter corresponding to the first temperature difference according to the corresponding relation between the temperature difference and the air conditioning parameter. The air conditioning parameters comprise the operating frequency of the compressor, the pressure of the exhaust refrigerant of the compressor, the opening degree of the throttle valve and the gas-liquid ratio of the return air refrigerant of the compressor.
S204, the processor sequentially adjusts the air conditioning parameters to target values according to the sequence, so that the temperature of the indoor unit coil reaches the target temperature.
S205, the processor acquires the current temperature of the coil of the indoor unit.
S206, when the current temperature of the indoor unit coil does not reach the target temperature, the processor sequentially corrects the values of the air conditioning parameters according to the current temperature and the target temperature so that the indoor unit coil temperature reaches the target temperature.
Here, after the air conditioning parameter adjustment is completed, the current temperature of the indoor unit coil is obtained through detection of a temperature sensor. To confirm whether the indoor unit coil temperature reaches the target temperature. If the target temperature is not reached, the values of the air conditioner parameters are sequentially corrected according to the current temperature and the target temperature. Specifically, the air conditioning parameters are sequentially adjusted according to the sequence, and the numerical value of the air conditioning parameters is increased in a heating mode so as to improve the temperature of the coil pipe of the indoor unit. And in the refrigeration mode, the numerical value of the air conditioning parameter is increased so as to reduce the temperature of the coil pipe of the indoor unit.
Referring to fig. 4, another method for controlling an air outlet temperature of an air conditioner according to an embodiment of the present disclosure includes:
s301, the processor responds to an operation instruction of the air conditioner to acquire the current air outlet temperature and the preset air outlet temperature.
S302, the processor determines the target temperature of the indoor unit coil according to a first temperature difference between the preset air outlet temperature and the current air outlet temperature.
S303, the processor determines a target value of the air conditioning parameter corresponding to the first temperature difference according to the corresponding relation between the temperature difference and the air conditioning parameter. The air conditioning parameters comprise the operating frequency of the compressor, the pressure of the exhaust refrigerant of the compressor, the opening degree of the throttle valve and the gas-liquid ratio of the return air refrigerant of the compressor.
S304, the processor sequentially adjusts the air conditioner parameters to target values so that the temperature of the coil pipe of the indoor unit reaches the target temperature.
S305, the processor acquires the current temperature of the coil pipe of the indoor unit.
S306, when the current temperature of the indoor unit coil does not reach the target temperature, the processor sequentially corrects the values of the air conditioning parameters according to the current temperature and the target temperature so that the indoor unit coil temperature reaches the target temperature.
S307, the processor obtains the current value of the air conditioner parameter under the condition that the temperature of the coil pipe of the indoor unit reaches the target temperature.
And S308, the processor updates the corresponding relation between the temperature difference and the air conditioning parameters according to the current value of the air conditioning parameters.
Here, after the value of the air conditioning parameter is corrected and the corrected indoor unit coil temperature reaches the target temperature, the current value of the air conditioning parameter is obtained. And updating the corresponding relation between the temperature difference and the air conditioning parameter based on the current value of the air conditioning parameter. Because the corresponding relation between the temperature difference and the air conditioning parameter is acquired based on multiple test data, in the practical application environment, the value of the air conditioning parameter has certain fluctuation. Therefore, after the air conditioning parameters are corrected, the corrected parameter values are recorded, and the corresponding relation between the temperature difference and the air conditioning parameters is updated based on the recorded data. Taking the operation frequency of the compressor in the above table 1 as an example, the operation frequency of the compressor is f when the temperature difference is 1 1 . In the actual regulation process, the operating frequency of the compressor is setCorrected to f 1 ' the compressor operating frequency f in table 1 will be 1 Replaced by f 1 '. Therefore, the corresponding relation between the temperature difference and the air conditioner parameters is more fit with the actual running condition through multiple times of adjustment, and the control precision is higher.
Referring to fig. 5, another method for controlling an air outlet temperature of an air conditioner according to an embodiment of the present disclosure includes:
s401, the processor responds to an operation instruction of the air conditioner to acquire the current air outlet temperature and the preset air outlet temperature.
S402, the processor determines the target temperature of the indoor unit coil according to a first temperature difference between the preset air outlet temperature and the current air outlet temperature.
S403, the processor determines a target value of the air conditioning parameter corresponding to the first temperature difference according to the corresponding relation between the temperature difference and the air conditioning parameter. The air conditioning parameters comprise the operating frequency of the compressor, the pressure of the exhaust refrigerant of the compressor, the opening degree of the throttle valve and the gas-liquid ratio of the return air refrigerant of the compressor.
S404, the processor sequentially adjusts the air conditioning parameters to target values so that the temperature of the coil pipe of the indoor unit reaches the target temperature.
S405, the processor acquires the current temperature of the indoor unit coil.
S406, when the current temperature of the indoor unit coil does not reach the target temperature, the processor sequentially corrects the values of the air conditioning parameters according to the current temperature and the target temperature so as to enable the indoor unit coil temperature to reach the target temperature.
S407, under the condition that the current temperature of the indoor unit coil reaches the target temperature, the processor reacquires the air outlet temperature of the air conditioner.
And S408, if the re-acquired air outlet temperature does not reach the preset air outlet temperature, the processor calculates a second temperature difference between the preset air outlet temperature and the re-acquired air outlet temperature.
S409, the processor sequentially corrects the values of the air conditioner parameters according to the second temperature difference and the first temperature difference and a preset sequence.
Here, after the indoor unit coil temperature reaches the target temperature, the outlet air temperature of the air conditioner is acquired again. If the air outlet temperature reaches the preset air outlet temperature, the value of the air conditioner parameter is kept. And if the air outlet temperature does not reach the preset air outlet temperature, acquiring a second difference value between the air outlet temperature and the preset air outlet temperature. And correcting the value of the air conditioner parameter according to the first temperature difference and the second temperature difference. The air conditioner parameters correspond to temperature differences, and the temperature differences are the temperature differences between the initial air conditioner air outlet temperature and the preset air outlet temperature. Therefore, the value of the air conditioning parameter is modified based on the first temperature difference and the second temperature difference.
Optionally, in step S409, the processor corrects the values of the air conditioning parameters sequentially according to a preset sequence according to the second temperature difference and the first temperature difference, including:
the processor calculates a sum of the first temperature difference and the second temperature difference to obtain a third temperature difference.
And the processor determines a correction value of the air conditioner parameter corresponding to the third temperature difference according to the corresponding relation between the temperature difference and the air conditioner parameter.
The processor sequentially corrects the air conditioner parameters to corrected values according to a preset sequence.
Here, after the air conditioning parameters are adjusted, the air outlet temperature still does not reach the preset air outlet temperature, and the air outlet temperature have a second temperature difference. Indicating that the deviation may exist in the air outlet temperature acquired at the initial stage of starting the air conditioner, so that the third temperature difference is obtained based on the first temperature difference and the second temperature difference. And further, based on the corresponding relation of the table 1, determining a correction value of the air conditioner parameter corresponding to the third temperature difference, and sequentially correcting according to a preset sequence. As an example, the first temperature difference is 3 ℃ and the second temperature difference is 1 ℃. The corrected air conditioning parameter is determined based on the third temperature difference of 4 c. Thus, the regulation of the temperature of the air outlet is more accurate. The target temperature of the indoor unit coil also changes with the temperature difference, that is, the target temperature of the indoor unit coil after correction is the indoor unit coil temperature corresponding to the third temperature difference.
The embodiment of the disclosure provides a device for controlling the air outlet temperature of an air conditioner, which comprises an acquisition module, a first determination module, a second determination module and an adjustment module. The acquisition module is configured to respond to an operation instruction of the air conditioner and acquire the current air outlet temperature and the preset air outlet temperature. The first determining module is configured to determine a target temperature of the indoor unit coil according to a first temperature difference between a preset air outlet temperature and a current air outlet temperature. The second determining module is configured to determine a target value of the air conditioning parameter corresponding to the first temperature difference according to a corresponding relation between the temperature difference and the air conditioning parameter. The adjustment module is configured to sequentially adjust the air conditioning parameters to target values to bring the indoor unit coil temperature to the target temperature. The air conditioning parameters comprise the operating frequency of the compressor, the pressure of the exhaust refrigerant of the compressor, the opening degree of the throttle valve and the gas-liquid ratio of the return air refrigerant of the compressor.
By adopting the device for controlling the air outlet temperature of the air conditioner, which is provided by the embodiment of the disclosure, the corresponding compressor running frequency, the exhaust refrigerant pressure of the compressor, the opening degree of the throttle valve and the target value of the air-return refrigerant gas-liquid ratio of the compressor are determined based on the current air outlet temperature of the air conditioner and the first temperature difference of the preset air outlet temperature; and sequentially adjusting the parameters of the air conditioner to reach target values. Therefore, the performance of the air conditioner can be quickly adjusted according to the parameters, so that the temperature of the coil pipe of the indoor unit meets the target temperature corresponding to the first temperature difference. Further, accurate adjustment of the air outlet temperature is guaranteed, and energy conservation is facilitated.
Referring to fig. 6, an embodiment of the present disclosure provides an apparatus 200 for controlling an air-conditioner outlet temperature, including a processor (processor) 100 and a memory (memory) 101. Optionally, the apparatus may further comprise 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 call logic instructions in the memory 101 to perform the method for controlling the air conditioner outlet temperature of the above embodiment.
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 controlling the air-conditioning outlet temperature in the above-described embodiment.
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.
As shown in conjunction with fig. 7, an embodiment of the present disclosure provides an air conditioner 300, including: the air conditioner body and the device 200 for controlling the air outlet temperature of the air conditioner. The device 200 for controlling the outlet air temperature of the air conditioner is installed at the air conditioner body. The mounting relationships described herein are not limited to placement within a product, but include mounting connections to other components of a product, including but not limited to physical, electrical, or signal transmission connections, etc. Those skilled in the art will appreciate that the apparatus 200 for controlling the air conditioner outlet temperature may be adapted to a viable product body, thereby achieving other viable embodiments.
Embodiments of the present disclosure provide a computer-readable storage medium storing computer-executable instructions configured to perform the above-described method for controlling an air-conditioning outlet temperature.
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, random Access Memory), 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 controlling the outlet air temperature of an air conditioner, comprising:
responding to an operation instruction of an air conditioner, and acquiring the current air outlet temperature and the preset air outlet temperature;
determining the target temperature of the indoor unit coil according to the first temperature difference between the preset air outlet temperature and the current air outlet temperature;
according to the corresponding relation between the temperature difference and the air conditioning parameters, determining a target value of the air conditioning parameters corresponding to the first temperature difference;
sequentially adjusting the air conditioning parameters to the target values in sequence so as to enable the indoor unit coil temperature to reach the target temperature;
the adjusting sequence of the air conditioning parameters is sequentially the operating frequency of the compressor, the pressure of the exhaust refrigerant of the compressor, the circulation speed of the refrigerant and the gas-liquid ratio of the return air refrigerant of the compressor.
2. The method of claim 1, wherein determining the target temperature of the indoor unit coil based on the first temperature difference between the preset outlet air temperature and the current outlet air temperature comprises:
in a heating mode, the larger the first temperature difference between the preset air outlet temperature and the current air outlet temperature is, the higher the target temperature of the indoor unit coil is;
in the refrigeration mode, the larger the first temperature difference between the preset air outlet temperature and the current air outlet temperature is, the lower the target temperature of the indoor unit coil is.
3. The method of claim 1, wherein a first solenoid valve is provided on a discharge line of the compressor and a second solenoid valve is provided on a return line; the sequentially adjusting the air conditioning parameters to the target values comprises the following steps:
adjusting the compressor operating frequency to a target operating frequency;
adjusting the opening of the first electromagnetic valve to a first target opening so as to enable the pressure of the exhaust refrigerant of the compressor to reach the target pressure;
regulating the throttle valve to a second target opening degree so as to enable the refrigerant circulation speed to reach a target speed;
and adjusting the opening of the second electromagnetic valve to a third target opening so as to enable the gas-liquid ratio of the return air refrigerant of the compressor to reach the target gas-liquid ratio.
4. A method according to any one of claims 1 to 3, wherein after sequentially adjusting the air conditioning parameters to the target values, further comprising:
acquiring the current temperature of a coil pipe of the indoor unit;
and under the condition that the current temperature of the indoor unit coil pipe does not reach the target temperature, sequentially correcting the values of the air conditioning parameters according to the current temperature and the target temperature so as to enable the indoor unit coil pipe temperature to reach the target temperature.
5. The method according to claim 4, wherein the method further comprises:
when the current temperature of the indoor unit coil reaches the target temperature, the air outlet temperature of the air conditioner is acquired again;
if the re-acquired air outlet temperature does not reach the preset air outlet temperature, calculating a second temperature difference between the preset air outlet temperature and the re-acquired air outlet temperature;
and sequentially correcting the values of the air conditioning parameters according to the second temperature difference and the first temperature difference.
6. The method of claim 5, wherein sequentially modifying the values of the air conditioning parameters based on the second temperature difference and the first temperature difference comprises:
calculating the sum of the first temperature difference and the second temperature difference to obtain a third temperature difference;
determining a correction value of the air conditioner parameter corresponding to the third temperature difference according to the corresponding relation between the temperature difference and the air conditioner parameter;
and sequentially correcting the air conditioning parameters to the correction values.
7. The method of claim 4, wherein after sequentially modifying the values of the air conditioning parameters, further comprising:
acquiring the current value of an air conditioner parameter under the condition that the temperature of the coil pipe of the indoor unit reaches the target temperature;
and updating the corresponding relation between the temperature difference and the air conditioning parameters according to the current value of the air conditioning parameters.
8. An apparatus for controlling the air-conditioning outlet temperature comprising a processor and a memory storing program instructions, wherein the processor is configured to perform the method for controlling the air-conditioning outlet temperature of any one of claims 1 to 7 when the program instructions are executed.
9. An air conditioner, comprising:
an air conditioner body;
the apparatus for controlling an outlet air temperature of an air conditioner according to claim 8, being installed to the air conditioner body.
10. A storage medium storing program instructions which, when executed, perform the method for controlling the air conditioner outlet temperature of any one of claims 1 to 7.
CN202310067742.5A 2023-01-17 2023-01-17 Method and device for controlling air outlet temperature of air conditioner, air conditioner and storage medium Pending CN116182369A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202310067742.5A CN116182369A (en) 2023-01-17 2023-01-17 Method and device for controlling air outlet temperature of air conditioner, air conditioner and storage medium

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Application Number Priority Date Filing Date Title
CN202310067742.5A CN116182369A (en) 2023-01-17 2023-01-17 Method and device for controlling air outlet temperature of air conditioner, air conditioner and storage medium

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116398980A (en) * 2023-06-09 2023-07-07 新誉集团有限公司 Temperature control method and system for air conditioner

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116398980A (en) * 2023-06-09 2023-07-07 新誉集团有限公司 Temperature control method and system for air conditioner
CN116398980B (en) * 2023-06-09 2023-09-08 新誉集团有限公司 Temperature control method and system for air conditioner

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