CN115200163B - Air conditioner control method and device and air conditioner - Google Patents

Air conditioner control method and device and air conditioner Download PDF

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Publication number
CN115200163B
CN115200163B CN202210808089.9A CN202210808089A CN115200163B CN 115200163 B CN115200163 B CN 115200163B CN 202210808089 A CN202210808089 A CN 202210808089A CN 115200163 B CN115200163 B CN 115200163B
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China
Prior art keywords
temperature value
air conditioner
compressor
inner part
indoor
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CN202210808089.9A
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Chinese (zh)
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CN115200163A (en
Inventor
颜景旭
袁前
祁国成
姚金多
李松
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Aux Air Conditioning Co Ltd
Ningbo Aux Electric Co Ltd
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Aux Air Conditioning Co Ltd
Ningbo Aux Electric Co Ltd
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Priority to CN202210808089.9A priority Critical patent/CN115200163B/en
Publication of CN115200163A publication Critical patent/CN115200163A/en
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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00Control or safety arrangements
    • F24F11/30Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
    • F24F11/32Responding to malfunctions or emergencies
    • F24F11/38Failure diagnosis
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00Control or safety arrangements
    • F24F11/50Control or safety arrangements characterised by user interfaces or communication
    • F24F11/61Control or safety arrangements characterised by user interfaces or communication using timers
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00Control or safety arrangements
    • F24F11/62Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
    • F24F11/63Electronic processing
    • F24F11/64Electronic processing using pre-stored data
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00Control or safety arrangements
    • F24F11/62Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
    • F24F11/63Electronic processing
    • F24F11/65Electronic processing for selecting an operating mode
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00Control or safety arrangements
    • F24F11/70Control systems characterised by their outputs; Constructional details thereof
    • F24F11/80Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air
    • F24F11/86Control 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
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00Control or safety arrangements
    • F24F11/89Arrangement or mounting of control or safety devices
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2110/00Control inputs relating to air properties
    • F24F2110/10Temperature
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2110/00Control inputs relating to air properties
    • F24F2110/10Temperature
    • F24F2110/12Temperature of the outside air
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2140/00Control inputs relating to system states
    • F24F2140/20Heat-exchange fluid temperature
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B30/00Energy efficient heating, ventilation or air conditioning [HVAC]
    • Y02B30/70Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating

Abstract

The invention provides an air conditioner control method, a control device and an air conditioner. The control method comprises the following steps: when the air conditioner is in refrigeration operation, an indoor environment temperature value T is obtained Inner part Indoor temperature variation delta T during continuous operation of air conditioner Inner part The method comprises the steps of carrying out a first treatment on the surface of the According to the indoor environment temperature value T Inner part The indoor temperature variation amount DeltaT Inner part Judging whether the air conditioner meets a first regulation condition of a compressor or not; if yes, the air conditioner is controlled to enter a compressor adjusting mode. The invention can solve the technical problem that the air conditioner system pressure is unstable when the outdoor environment temperature and the outdoor coil temperature of the air conditioner are higher.

Description

Air conditioner control method and device and air conditioner
Technical Field
The invention relates to the technical field of air conditioners, in particular to an air conditioner control method, a control device and an air conditioner.
Background
As the most core component of the air conditioner, the compressor is arranged in the outdoor unit, so that the high-pressure fault of the system is easy to occur under the condition of high temperature in summer, and the high-pressure of the compressor is out of step. In order to ensure safe and reliable operation of the air conditioner and reduce after-sales complaints of users, various protection measures are set for the compressor.
At present, the temperature of the coil pipe of the outdoor unit is generally detected, and when the temperature of the coil pipe of the outdoor unit reaches a certain value, the running frequency of the compressor is reduced, so that the aim of pressure of an air conditioning system in the ground is fulfilled. However, because the positions of the coils of the outdoor unit are different, the temperature of the coils of the outdoor unit is higher under the high-temperature working condition, but the pressure of the air conditioning system is lower, the running frequency of the compressor cannot be accurately adjusted at the moment, and the purpose of stabilizing the pressure of the air conditioning system cannot be achieved.
Disclosure of Invention
The invention can solve the technical problem that the air conditioner system pressure is unstable when the outdoor environment temperature and the outdoor coil temperature of the air conditioner are higher.
In order to solve the above problems, an embodiment of the present invention provides a control method of an air conditioner, including: when the air conditioner is in refrigeration operation, an indoor environment temperature value T is obtained Inner part Indoor temperature variation delta T during continuous operation of air conditioner Inner part The method comprises the steps of carrying out a first treatment on the surface of the According to the indoor environment temperature value T Inner part The indoor temperature variation amount DeltaT Inner part Judging whether the air conditioner meets a first regulation condition of a compressor or not; if yes, the air conditioner is controlled to enter a compressor frequency adjusting mode.
Compared with the prior art, the technical effect achieved by adopting the technical scheme is as follows: by obtaining the indoor environment temperature value T Inner part Indoor temperature variation delta T during continuous operation of air conditioner Inner part Can judge whether the system pressure of the air conditioner is stable or not in the current use state of the air conditioner, and further, the indoor temperature value T is as follows Inner part Higher and the indoor environment temperature of the air conditioner in the running processWhen the value temperature difference change is smaller, the operation efficiency of the current air conditioner can be relatively low, the further controllable air conditioner enters a compressor frequency adjusting mode, and the operation frequency of the compressor is adjusted, so that the purpose of stabilizing the system pressure is achieved, the operation efficiency of the air conditioner under the high-temperature working condition is guaranteed, and the user experience is further improved.
Further, in an embodiment of the present invention, the determining whether the air conditioner satisfies the first adjustment condition of the compressor includes: at indoor ambient temperature value T Inner part Not less than a preset temperature value T 0 And the indoor temperature change amount DeltaT Inner part And when the preset temperature difference value delta T is less than or equal to the preset temperature difference value delta T, the air conditioner meets the first regulation condition of the compressor.
Compared with the prior art, the technical effect achieved by adopting the technical scheme is as follows: in the cooling mode, when the indoor environment temperature value T Inner part Exceeding a preset temperature value T 0 When it is indicated that the indoor environment temperature value T Inner part The difference between the temperature value and the indoor temperature value set by the user is larger, and when the air conditioner is operated for t time, the indoor temperature value still does not reach the temperature value set by the user, which indicates that the system pressure value of the air conditioner is relatively higher, and the compressor operating frequency F can be required to be adjusted at the moment so as to achieve the purpose of reducing the pressure of the air conditioner system.
Further, in one embodiment of the present invention, the compressor frequency adjustment mode includes: acquiring temperature value T of outdoor coil Outer disc Compressor operating frequency F; according to the temperature value T of the outdoor coil pipe Outer disc And a first preset temperature value T 1 The relation between the two conditions is used for judging whether the air conditioner meets a second regulation condition of the compressor or not; if yes, adjusting the operating frequency F 3
Compared with the prior art, the technical effect achieved by adopting the technical scheme is as follows: after the air conditioner enters the compressor frequency adjusting mode, the temperature value T of the outdoor coil pipe is further adjusted Outer disc The temperature value T of the outdoor coil is detected in the running process of the air conditioner Outer disc Will gradually rise by the temperature value T of the outdoor coil Outer disc The detection is carried out so that the detection is carried out,further, whether the air conditioning system pressure is in a high pressure state or not can be judged, so that the temperature value T of the outdoor coil can be used for judging whether the air conditioning system pressure is in a high pressure state or not Outer disc The purpose of reducing the pressure value of the air conditioning system can be achieved by adjusting the operating frequency F of the compressor.
Further, in an embodiment of the present invention, the determining whether the air conditioner satisfies the second adjustment condition of the compressor includes: at the outdoor coil temperature value T Outer disc Not less than a first preset temperature value T 1 And when the air conditioner meets the second regulation condition of the compressor.
Compared with the prior art, the technical effect achieved by adopting the technical scheme is as follows: when the temperature of the outdoor coil is T Outer disc Not less than a first preset temperature value T 1 At this time, the outdoor coil temperature value T is indicated Outer disc The system pressure value of the corresponding air conditioner is relatively high, the air conditioner meets the second regulation condition of the compressor, and the running frequency F of the compressor can be further regulated, so that the effect of stabilizing the system pressure is achieved.
Further, in an embodiment of the present invention, the determining whether the air conditioner satisfies the second adjustment condition of the compressor includes: at the outdoor coil temperature value T Outer disc < first preset temperature value T 1 And when the air conditioner does not meet the second regulation condition of the compressor, controlling the compressor to continue to operate at the operating frequency F.
Compared with the prior art, the technical effect achieved by adopting the technical scheme is as follows: if the temperature value T of the outdoor coil pipe Outer disc < first preset temperature value T 1 At this point, the current outdoor coil temperature value T is indicated Outer disc The system pressure value of the corresponding air conditioner is relatively stable, and at the moment, in order to ensure the operation efficiency of the air conditioner, the compressor can be controlled to continuously operate at the current operation frequency F so as to ensure the normal heat exchange efficiency of the air conditioner.
Further, in an embodiment of the present invention, the adjusting the operating frequency includes: acquiring an outdoor environment temperature value T Outer part Compressor discharge temperature value T Row of rows The method comprises the steps of carrying out a first treatment on the surface of the According to the outdoor environment temperature value T Outer part And a second preset temperature value T 2 Compressor discharge temperature value T Row of rows And a third preset temperature value T 3 And (5) the relation between the operating frequency F and the operating frequency F is adjusted.
Compared with the prior art, the technical effect achieved by adopting the technical scheme is as follows: due to the outdoor ambient temperature value T Outer part Compressor discharge temperature value T Row of rows The air conditioner system pressure value can be influenced, so that after the air conditioner meets the second regulation condition of the compressor, the air conditioner can further respond to the outdoor environment temperature value T Outer part Compressor discharge temperature value T Row of rows The compressor operating frequency F is adjusted to reduce the system pressure of the air conditioner.
Further, in an embodiment of the present invention, the adjusting the operating frequency F includes: at a first preset temperature value T 1 The temperature value T of the outdoor coil is less than or equal to Outer disc < second preset temperature value T 2 The outdoor environment temperature value T Outer part Not less than a third preset temperature value T 3 The compressor discharge temperature value T Row of rows Not less than a fourth preset temperature value T 4 When the compressor is controlled to operate at a first frequency F 1 Operating at a first operating frequency F 1 The method meets the following conditions: f (F) 1 =F-F 01 The method comprises the steps of carrying out a first treatment on the surface of the And/or the outdoor coil temperature value T Outer disc Not less than a second preset temperature value T 2 The outdoor environment temperature value T Outer part Not less than a second preset temperature value T 2 And the compressor discharge temperature T Row of rows Not less than a third preset temperature value T 3 When the compressor is controlled to operate at a second operating frequency F 2 Operating at the second operating frequency F 2 The method meets the following conditions: f (F) 2 =F-F 02 The method comprises the steps of carrying out a first treatment on the surface of the Wherein F is 01 And F is equal to 02 Is a frequency adjustment value, unit HZ, and F 01 And F is equal to 02 The following are satisfied: f (F) 01 <F 02
Compared with the prior art, the technical effect achieved by adopting the technical scheme is as follows: when the first preset temperature value T 1 Temperature value T of outdoor coil pipe is less than or equal to Outer disc < second preset temperature value T 2 Outdoor environmentTemperature value T Outer part Not less than a third preset temperature value T 3 Compressor discharge temperature value T Row of rows Not less than a fourth preset temperature value T 4 At this time, the air conditioner reaches the condition of adjusting the compressor operating frequency F, but due to the outdoor coil temperature value T Outer disc Relatively low, at which time the compressor operating frequency F may be reduced to the first operating frequency F 1 Operating; when the temperature of the outdoor coil is T Outer disc Not less than a second preset temperature value T 2 Outdoor ambient temperature value T Outer part Not less than a third preset temperature value T 3 Compressor discharge temperature T Row of rows Not less than a fourth preset temperature value T 4 At this time, the temperature value T of the outdoor coil in the air conditioner Outer disc Outdoor ambient temperature value T Outer part Compressor discharge temperature value T Row of rows Relatively large, the compressor operating frequency F can be reduced to the second operating frequency F 2 Thereby achieving the purpose of reducing the pressure value of the air conditioning system.
Further, in an embodiment of the present invention, the determining whether the air conditioner meets the first adjustment condition of the compressor further includes: if not, the compressor is controlled to continue to operate at the current operating frequency F.
Compared with the prior art, the technical effect achieved by adopting the technical scheme is as follows: if the air conditioner does not meet the first regulation condition of the compressor, the air conditioner is relatively stable in pressure value of the air conditioning system in the running process of the air conditioner, so that the running frequency F of the compressor is not required to be regulated at the moment, namely, when the air conditioner does not meet the first regulation condition of the compressor, the air conditioner is continuously operated at the running frequency F.
Further, in an embodiment of the present invention, there is also provided an air conditioner control device, including: the acquisition module is used for acquiring an indoor environment temperature value T during air conditioner refrigeration operation Inner part Indoor temperature variation delta T during continuous operation of air conditioner Inner part The method comprises the steps of carrying out a first treatment on the surface of the The judging module is used for judging whether the indoor environment temperature value T is equal to or higher than the indoor environment temperature value T Inner part The indoor temperature variation amount DeltaT Inner part The air conditioner is used for judging whether the air conditioner meets a first regulation condition of the compressor or not; control module, satisfying in the air conditionerAnd when the first regulation condition of the compressor is met, the first regulation condition is used for controlling the air conditioner to enter a compressor regulation mode.
Compared with the prior art, the technical effect achieved by adopting the technical scheme is as follows: the air conditioner control device is configured to execute the control method described in the foregoing embodiment, and when executing the control method, the control device has all the technical features and all the beneficial effects of the control method in the foregoing embodiment, which will not be described in detail herein.
Further, in an embodiment of the present invention, there is further provided an air conditioner including a computer readable storage medium storing a computer program and a processor, where the computer program is read by the processor, to implement the air conditioner control method as described in the above embodiment.
Compared with the prior art, the technical effect achieved by adopting the technical scheme is as follows: after the air conditioner implements the control method in the above embodiment, the air conditioner has all the technical features and all the beneficial effects of the control method in the above embodiment, which are not described in detail herein.
In summary, after the technical scheme of the invention is adopted, the following technical effects can be achieved:
i) By obtaining the indoor environment temperature value T Inner part Indoor temperature variation delta T during continuous operation of air conditioner Inner part Can judge whether the system pressure of the air conditioner is stable or not in the current use state of the air conditioner, and further, the indoor temperature value T is as follows Inner part When the temperature difference change of the indoor environment temperature value of the air conditioner is smaller in the operation process, the operation efficiency of the current air conditioner can be relatively lower, the air conditioner can be further controlled to enter a compressor frequency adjustment mode, the operation frequency of the compressor is adjusted, the purpose of stabilizing the system pressure is achieved, meanwhile, the operation efficiency of the air conditioner under the high-temperature working condition is guaranteed, and the user experience is further improved;
ii) after the air conditioner enters the compressor frequency adjusting mode, the temperature value T of the outdoor coil pipe is further adjusted Outer disc The detection is carried out because of the outdoor disk in the running process of the air conditionerTube temperature value T Outer disc Will gradually rise by the temperature value T of the outdoor coil Outer disc The temperature of the outdoor coil T can be used for detecting and judging whether the pressure of the air conditioning system is in a high pressure state Outer disc The purpose of reducing the pressure value of the air conditioning system can be achieved by adjusting the running frequency F of the compressor;
iii) Due to the outdoor ambient temperature value T Outer part Compressor discharge temperature value T Row of rows The air conditioner system pressure value can be influenced, so that after the air conditioner meets the second regulation condition of the compressor, the air conditioner can further respond to the outdoor environment temperature value T Outer part Compressor discharge temperature value T Row of rows The compressor operating frequency F is adjusted to reduce the system pressure of the air conditioner.
Description of the drawings:
fig. 1 is a schematic diagram of a control method of an air conditioner according to a first embodiment of the present invention;
fig. 2 is a flow chart of an air conditioner control method.
Detailed Description
In order that the above objects, features and advantages of the invention will be readily understood, a more particular description of the invention will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings.
[ first embodiment ]
Preferably, referring to fig. 1 and 2, a first embodiment of the present invention provides an air conditioner control method in which an indoor environment temperature value T is calculated by Inner part Temperature value T of outdoor coil Outer disc Outdoor ambient temperature value T Outer part Compressor discharge temperature value T Row of rows The detection is carried out, and then whether the pressure value of the air conditioner system is in an excessively high state or not can be judged, and then the operation frequency of the compressor is adjusted, so that the stability of the air conditioner in the operation process is guaranteed, the safety and the reliability of the system are improved, the user experience is further improved, and the control method specifically comprises the following steps:
s10: when the air conditioner is in refrigeration operation, an indoor environment temperature value T is obtained Inner part When the air conditioner is continuously operatedIndoor temperature variation delta T Inner part
S20: according to the indoor environment temperature value T Inner part The indoor temperature variation amount DeltaT Inner part Judging whether the air conditioner meets a first regulation condition of a compressor or not;
s30: if yes, the air conditioner is controlled to enter a compressor frequency adjusting mode.
It will be appreciated that the cooling efficiency of the air conditioner is related to the change of the indoor environment temperature, i.e. when the operating frequency of the compressor of the air conditioner is constant, the greater the change of the indoor environment temperature value at the same time, the higher the operating efficiency of the air conditioner is, by the indoor environment temperature value T Inner part The detection enables a user to know whether the compressor operating frequency needs to be adjusted.
Preferably, in S10, the indoor temperature change Δt Inner part The change value of the indoor temperature after the air conditioner operates for a period of time; specifically, immediately before the air conditioner is started in the operation mode, the indoor temperature T is obtained Front part After the air conditioner compressor operates for T time at the operating frequency F, the indoor temperature T is obtained again Rear part (S) Temperature change amount DeltaT Inner part The difference value of indoor temperature before and after the running time t of the air conditioner is referred to; for example, the obtained indoor temperature T before the air conditioner is operated for cooling Front part At 32 ℃, when the air conditioner operates for T time, the indoor temperature T is acquired again Rear part (S) At 28 ℃, the indoor temperature change delta T Inner part The method comprises the following steps: indoor temperature T Front part -indoor temperature T Rear part (S) =4 ℃; wherein the running time t of the air conditioner satisfies: t E [10min,20min ]]T may be 10min, 15min, 20min, etc., wherein the indoor temperature T Front part Can be the indoor environment temperature before the air conditioner operates, of course, also can be the indoor environment temperature in the normal operation process of the air conditioner, and the indoor temperature T Rear part (S) The indoor environment temperature after the air conditioner operates for t time; specifically, the operation time t of the air conditioner may be determined according to the actual operation efficiency of the air conditioner and the actual requirement of the user, which is not limited herein.
Further, in S20, the indoor environment temperature value T is used Inner part Indoor temperatureVariation delta T Inner part In the process of judging whether the air conditioner meets the first regulation condition of the compressor, it is judged that the indoor environment temperature value T Inner part And a preset temperature value T 0 The magnitude of the temperature change delta T in the room Inner part Specifically, in S20, determining whether the air conditioner meets the first compressor adjustment condition includes:
s21: at indoor ambient temperature value T Inner part Not less than a preset temperature value T 0 And the indoor temperature change amount DeltaT Inner part When the preset temperature difference value delta T is less than or equal to the preset temperature difference value delta T, the air conditioner meets a first regulation condition of the compressor;
s22: if not, the compressor is controlled to continue to operate at the current operating frequency F.
Preferably, in S21, a preset temperature value T 0 The method meets the following conditions: t (T) 0 ∈[28℃,32℃]Wherein T is 0 Selecting at 28deg.C, 29 deg.C, 30 deg.C, 31 deg.C, 32 deg.C, preferably T 0 Selecting 30 ℃; the preset temperature difference deltat satisfies the following conditions: delta T epsilon [1.5 ℃,2.5 DEG C]Wherein, deltaT can be 1.5 ℃,2 ℃,2.5 ℃, and preferably DeltaT is 2 ℃; of course, the preset temperature value T 0 And the preset temperature difference value delta T can also select other values, and the specific value can be determined according to the actual running efficiency of the air conditioner and the actual requirement of a user.
In S21, a preset temperature value T 0 When the preset temperature difference delta T is selected to be 30 ℃ and 2 ℃, the proper temperature in the indoor room is about 26 ℃ in the refrigerating mode, and the indoor temperature value generally set by a user is 26 ℃, so that the indoor environment temperature value T is Inner part Exceeding a preset temperature value T 0 When it is indicated that the indoor environment temperature value T Inner part The difference between the indoor temperature value and the indoor temperature value set by the user is larger, and when the air conditioner operates for T time, if the indoor environment temperature value T Inner part At 28 ℃, the operation efficiency of the air conditioner is low at the moment or the system pressure value of the air conditioner is relatively high at the moment because the temperature value set by the user is still not reached, and the operation frequency F of the compressor can be required to be adjusted at the moment, so that the purpose of reducing the pressure of the air conditioning system is achieved.
Further, in S22, if the air conditioner does not meet the first compressor adjustment condition, it is indicated that the pressure value of the air conditioning system is relatively stable during the operation of the air conditioner, so that the operation frequency F of the compressor may not be adjusted at this time, that is, when the air conditioner does not meet the first compressor adjustment condition, the air conditioner may continue to operate at the operation frequency F.
Preferably, in S30, when the indoor environment temperature value T Inner part Indoor temperature variation Δt Inner part After the first regulation condition of the compressor is met, the corresponding control air conditioner enters a compressor frequency regulation mode at the moment, and specifically, the compressor frequency regulation mode comprises:
s31: acquiring temperature value T of outdoor coil Outer disc Compressor operating frequency F;
s32: according to the temperature value T of the outdoor coil pipe Outer disc And a first preset temperature value T 1 The relation between the two conditions is used for judging whether the air conditioner meets the second regulation condition of the compressor or not;
s33: if so, the operating frequency F is adjusted.
Preferably, in S31, after the air conditioner enters the compressor frequency adjustment mode, the temperature value T of the outdoor coil is further adjusted Outer disc The temperature value T of the outdoor coil is detected in the running process of the air conditioner Outer disc Will gradually rise by the temperature value T of the outdoor coil Outer disc The temperature of the outdoor coil T can be used for detecting and judging whether the pressure of the air conditioning system is in a high pressure state Outer disc The purpose of reducing the pressure value of the air conditioning system can be achieved by adjusting the operating frequency F of the compressor.
Further, in S32, the outdoor coil temperature T is passed Outer disc In the process of adjusting the operating frequency F of the compressor, the temperature value T of the outdoor coil is compared Outer disc And a first preset temperature value T 1 The magnitude relation between the two, and then judge whether to need to adjust the compressor operation frequency about F, specifically, in S32, judge whether the air conditioner meets the second regulation condition of the compressor includes:
s321: at the outdoor coil temperature value T Outer disc Not less than a first preset temperature value T 1 When the air conditioner meets the second regulation condition of the compressor;
s322: at the outdoor coil temperature value T Outer disc < first preset temperature value T 1 And when the air conditioner does not meet the second regulation condition of the compressor, controlling the compressor to continue to operate at the operating frequency F.
Wherein, in S321 and S322, when the outdoor coil temperature T Outer disc Not less than a first preset temperature value T 1 At this time, the outdoor coil temperature value T is indicated Outer disc The system pressure value of the corresponding air conditioner is relatively high, the air conditioner meets the second regulation condition of the compressor, and the running frequency F of the compressor can be further regulated so as to achieve the purpose of reducing the system pressure; if the temperature value T of the outdoor coil pipe Outer disc < first preset temperature value T 1 At this point, the current outdoor coil temperature value T is indicated Outer disc The system pressure value of the corresponding air conditioner is relatively stable, and the compressor can be controlled to continue to operate at the current operating frequency F to ensure the operating efficiency of the air conditioner; a first preset temperature value T 1 The method meets the following conditions: t (T) 1 ∈[48℃,52℃]Wherein T is 0 Selecting 48 deg.C, 49 deg.C, 50 deg.C, 51 deg.C, 52 deg.C, preferably T 1 Selecting 50 ℃; of course, the first preset temperature value T 1 Other values can be selected, and the values can be specifically set according to the actual running efficiency of the air conditioner and the actual requirements of users.
Further, S30 further includes:
s33: acquiring an outdoor environment temperature value T Outer part Compressor discharge temperature value T Row of rows
S34: according to the outdoor environment temperature value T Outer part And a second preset temperature value T 2 Compressor discharge temperature value T Row of rows And a third preset temperature value T 3 The relation between the above is that the operating frequency F is adjusted.
Preferably, in S33 and S34, the temperature value T is due to the outdoor environment Outer part Compressor discharge temperature value T Row of rows The magnitude of the pressure value of the air conditioner system can also be influenced, so that after the air conditioner meets the second regulation condition of the compressor, the pressure value can be further based on the outdoor environment temperature value T Outer part Compressor discharge temperature value T Row of rows The compressor operating frequency F is adjusted to reduce the system pressure value.
Further, by the outdoor ambient temperature value T Outer part Compressor discharge temperature value T Row of rows When the system pressure value is judged, the outdoor environment temperature value T is also judged Outer part Compressor discharge temperature value T Row of rows And a second preset temperature value T 2 A third preset temperature value T 3 The magnitude relation between the two, specifically, S34 includes:
s341: at a first preset temperature value T 1 Temperature value T of outdoor coil pipe is less than or equal to Outer disc < second preset temperature value T 2 Outdoor ambient temperature value T Outer part Not less than a third preset temperature value T 3 Compressor discharge temperature value T Row of rows Not less than a fourth preset temperature value T 4 When the compressor is controlled to operate at a first frequency F 1 Operating at a first operating frequency F 1 The method meets the following conditions: f (F) 1 =F-F 01
S342: outdoor coil temperature value T Outer disc Not less than a second preset temperature value T 2 Outdoor ambient temperature value T Outer part Not less than a third preset temperature value T 3 Compressor discharge temperature T Row of rows Not less than a fourth preset temperature value T 4 When the compressor is controlled to operate at the second operating frequency F 2 Operating at a second operating frequency F 2 The method meets the following conditions: f (F) 2 =F-F 02 The method comprises the steps of carrying out a first treatment on the surface of the Wherein F is 01 And F is equal to 02 Is a frequency adjustment value, unit HZ, and F 01 And F is equal to 02 The following are satisfied: f (F) 01 <F 02
Preferably, in S341 and S342, after the air conditioner satisfies the second adjustment condition of the compressor, the air conditioner may further use the outdoor coil temperature value T Outer disc Outdoor ambient temperature value T Outer part Compressor discharge temperature value T Row of rows Adjusting the compressor operating frequency F toThe purpose of reducing the pressure of the air conditioning system is achieved.
Specifically, in S341, when the first preset temperature T 1 Temperature value T of outdoor coil pipe is less than or equal to Outer disc < second preset temperature value T 2 Outdoor ambient temperature value T Outer part Not less than a third preset temperature value T 3 Compressor discharge temperature value T Row of rows Not less than a fourth preset temperature value T 4 At this time, the air conditioner reaches the condition of adjusting the compressor operating frequency F, but due to the outdoor coil temperature value T Outer disc Relatively low, at which time the compressor operating frequency F may be reduced to the first operating frequency F 1 Operating; while in S342, the outdoor coil temperature value T Outer disc Not less than a second preset temperature value T 2 Outdoor ambient temperature value T Outer part Not less than a third preset temperature value T 3 Compressor discharge temperature T Row of rows Not less than a fourth preset temperature value T 4 At this time, the temperature value T of the outdoor coil in the air conditioner Outer disc Outdoor ambient temperature value T Outer part Compressor discharge temperature value T Row of rows Relatively large, the compressor operating frequency F can be reduced to the second operating frequency F 2 Thereby achieving the purpose of reducing the pressure value of the air conditioning system.
Preferably, the first preset temperature value T 1 The method meets the following conditions: t (T) 1 ∈[48℃,52℃]Wherein T0 is selected from 48 ℃, 49 ℃, 50 ℃, 51 ℃, 52 ℃, preferably T 1 Selecting 50 ℃; a second preset temperature value T 2 The method meets the following conditions: t (T) 2 ∈[53℃,57℃]Wherein T is 2 Can be 53 deg.C, 54 deg.C, 55 deg.C, 56 deg.C, 57 deg.C, preferably T 2 Selecting 55 ℃; third preset temperature value T 3 The method meets the following conditions: t (T) 3 ∈[36℃,40℃]Wherein T is 2 Selecting 36 deg.C, 37 deg.C, 38 deg.C, 39 deg.C, 40 deg.C, preferably T 3 Selecting 38 ℃; third preset temperature value T 3 The method meets the following conditions: t (T) 3 ∈[36℃,40℃]Wherein T is 3 Selecting 36 deg.C, 37 deg.C, 38 deg.C, 39 deg.C, 40 deg.C, preferably T 3 Selecting 38 ℃; the fourth preset temperature value T4 satisfies: t (T) 4 ∈[94℃,96℃]Wherein T is 4 Can be 94 deg.C, 95 deg.C and 96 deg.C, preferablyT4 is selected to be 95 ℃; f (F) 01 The method meets the following conditions: f (F) 01 ∈[1.5HZ,2.5HZ]Wherein F is 01 Can be 1.5HZ, 2HZ, 2.5HZ, preferably F 01 Selecting 2HZ; f (F) 02 The method meets the following conditions: f (F) 02 ∈[3.5HZ,4.5HZ]Wherein F is 02 Can be 3.5HZ, 4HZ, 4.5HZ, preferably F 02 4HZ was selected.
[ second embodiment ]
In a second embodiment of the present invention, there is provided an air conditioner control device for executing the air conditioner control method described in the above embodiment, and the control device includes:
the acquisition module is used for acquiring an indoor environment temperature value T during air conditioner refrigeration operation Inner part Indoor temperature variation delta T during continuous operation of air conditioner Inner part
The judging module is used for judging whether the indoor environment temperature value T is equal to or higher than the indoor environment temperature value T Inner part The indoor temperature variation amount DeltaT Inner part The air conditioner is used for judging whether the air conditioner meets a first regulation condition of the compressor or not;
and the control module is used for controlling the air conditioner to enter a compressor regulating mode when the air conditioner meets the first regulating condition of the compressor.
Preferably, when the air conditioner control device is configured to execute the control method described in the foregoing embodiment, all technical features and all beneficial effects of the control method in the foregoing embodiment are provided, and will not be described in detail herein.
[ third embodiment ]
In a third embodiment of the present invention, there is provided an air conditioner including a computer-readable storage medium storing a computer program which, when read by a processor, implements the air conditioner control method as described in the above embodiments.
Preferably, after the air conditioner implements the control method in the foregoing embodiment, the air conditioner has all technical features and all beneficial effects of the control method in the foregoing embodiment, which are not described in detail herein.
Although the present invention is disclosed above, the present invention is not limited thereto. Various changes and modifications may be made by one skilled in the art without departing from the spirit and scope of the invention, and the scope of the invention should be assessed accordingly to that of the appended claims.

Claims (5)

1. An air conditioner control method, comprising:
when the air conditioner is in refrigeration operation, an indoor environment temperature value T is obtained Inner part Indoor temperature change amount fatter during continuous operation of air conditioner Inner part
According to the indoor environment temperature value T Inner part The indoor temperature variation is fatted Inner part Judging whether the air conditioner meets a first regulation condition of a compressor or not;
if yes, controlling the air conditioner to enter a compressor frequency adjusting mode;
the judging whether the air conditioner meets the first regulation condition of the compressor comprises the following steps:
at indoor ambient temperature value T Inner part Not less than a preset temperature value T 0 And the indoor temperature variation T Inner part When the preset temperature difference value is less than or equal to T, the air conditioner meets a first regulation condition of the compressor;
the compressor frequency adjustment mode includes:
acquiring temperature value T of outdoor coil Outer disc Compressor operating frequency F;
according to the temperature value T of the outdoor coil pipe Outer disc And a first preset temperature value T 1 The relation between the two conditions is used for judging whether the air conditioner meets a second regulation condition of the compressor or not;
if yes, adjusting the running frequency F;
the judging whether the air conditioner meets the second regulation condition of the compressor comprises the following steps:
at the outdoor coil temperature value T Outer disc Not less than a first preset temperature value T 1 When the air conditioner meets the second regulation condition of the compressor;
said adjusting said operating frequency comprises:
acquiring an outdoor environment temperature value T Outer part Compressor discharge temperature value T Row of rows
According to the outdoor environment temperature value T Outer part And a second preset temperature value T 2 Compressor discharge temperature value T Row of rows And a third preset temperature value T 3 The relation between the two is used for adjusting the running frequency F;
said adjusting of said operating frequency F comprises:
at a first preset temperature value T 1 The temperature value T of the outdoor coil is less than or equal to Outer disc < second preset temperature value T 2 The outdoor environment temperature value T Outer part Not less than a third preset temperature value T 3 The compressor discharge temperature value T Row of rows Not less than a fourth preset temperature value T 4 When the compressor is controlled to operate at a first frequency F 1 Operating at a first operating frequency F 1 The method meets the following conditions: f (F) 1 =F-F 01
And/or the outdoor coil temperature value T Outer disc Not less than a second preset temperature value T 2 The outdoor environment temperature value T Outer part Not less than a third preset temperature value T 3 The compressor discharge temperature value T Row of rows Not less than a fourth preset temperature value T 4 When the compressor is controlled to operate at a second operating frequency F 2 Operating at the second operating frequency F 2 The method meets the following conditions: f (F) 2 =F-F 02
Wherein F is 01 And F is equal to 02 Is a frequency adjustment value, unit HZ, and F 01 And F is equal to 02 The following are satisfied: f (F) 01 <F 02
2. The air conditioner control method according to claim 1, wherein the determining whether the air conditioner satisfies a compressor second adjustment condition further comprises:
at the outdoor coil temperature value T Outer disc < first preset temperature value T 1 And when the air conditioner does not meet the second regulation condition of the compressor, controlling the compressor to continue to operate at the operating frequency F.
3. The air conditioner control method according to any one of claims 1 to 2, wherein the determining whether the air conditioner satisfies a first condition for compressor further includes:
if not, the compressor is controlled to continue to operate at the current operating frequency F.
4. An air conditioner control apparatus for performing the air conditioner control method according to any one of claims 1 to 3, the control apparatus comprising:
the acquisition module is used for acquiring an indoor environment temperature value T during air conditioner refrigeration operation Inner part Indoor temperature change amount fatter during continuous operation of air conditioner Inner part
The judging module is used for judging whether the indoor environment temperature value T is equal to or higher than the indoor environment temperature value T Inner part The indoor temperature variation is fatted Inner part The air conditioner is used for judging whether the air conditioner meets a first regulation condition of the compressor or not;
and the control module is used for controlling the air conditioner to enter a compressor regulating mode when the air conditioner meets the first regulating condition of the compressor.
5. An air conditioner comprising a computer readable storage medium storing a computer program and a processor, the computer program implementing the air conditioner control method according to any one of claims 1-3 when read by the processor.
CN202210808089.9A 2022-07-07 2022-07-07 Air conditioner control method and device and air conditioner Active CN115200163B (en)

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