WO2023011355A1 - Procédé et système de commande de compresseur, et climatiseur - Google Patents

Procédé et système de commande de compresseur, et climatiseur Download PDF

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Publication number
WO2023011355A1
WO2023011355A1 PCT/CN2022/109026 CN2022109026W WO2023011355A1 WO 2023011355 A1 WO2023011355 A1 WO 2023011355A1 CN 2022109026 W CN2022109026 W CN 2022109026W WO 2023011355 A1 WO2023011355 A1 WO 2023011355A1
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Prior art keywords
compressor
parameter
frequency conversion
correction
conversion control
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PCT/CN2022/109026
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English (en)
Chinese (zh)
Inventor
张飞
高保华
陆建松
陈建龙
韩秀田
Original Assignee
青岛海尔空调器有限总公司
青岛海尔空调电子有限公司
海尔智家股份有限公司
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Publication of WO2023011355A1 publication Critical patent/WO2023011355A1/fr

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/70—Control systems characterised by their outputs; Constructional details thereof
    • F24F11/80—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air
    • F24F11/86—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
    • 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
    • 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

Definitions

  • the invention relates to the technical field of air conditioning control, and specifically provides a compressor control method, system and air conditioner.
  • the present invention aims to solve the above-mentioned technical problem, that is, to solve the problem that the parameter deviation of the existing compressor may lead to the failure of compressor control.
  • the present invention provides a compressor control method, the control method comprising:
  • the monitoring parameters include the operating efficiency of the compressor and compressor parameters affecting the operating efficiency, wherein the compressor parameters affecting the operating efficiency include at least compression The phase current of the machine;
  • the step of "selectively performing final correction on the variable frequency control parameter according to the parameter correction value used when pre-correcting the variable frequency control parameter" specifically includes:
  • the monitoring parameter is the operating efficiency of the compressor
  • the actual value of the operating efficiency preset before performing the pre-correction is smaller than the actual value of the operating efficiency after performing the pre-correction, then perform the said final amendment; otherwise said final amendment shall not be made;
  • the monitoring parameter is a compressor parameter that affects the operating efficiency
  • the compressor parameter falls within the preset parameter value range that reduces the operating efficiency of the compressor, then perform the final correction; otherwise, do not perform Said Final Amendment.
  • variable frequency control parameters include at least the counter electromotive force constant and the inductance of the compressor, and the initial value of the preset variable frequency control parameters is The parameter correction value used in the final correction; the step of "obtaining the offset of the frequency conversion control parameter" specifically includes:
  • a is the offset of the frequency conversion control parameter
  • F0 is the initial value of the preset frequency conversion control parameter
  • F is the frequency conversion control parameter in the actual operation of the compressor.
  • the method further includes obtaining the counter electromotive force constant of the compressor in actual operation by the method shown in the following formula:
  • Ke is the counter electromotive force constant in the actual operation
  • V counter is the counter electromotive force in the actual operation of the compressor
  • r is the rotational speed of the compressor in the actual operation.
  • the present invention provides a compressor control system, the control system comprising:
  • a parameter offset acquisition module configured to acquire the offset of the variable frequency control parameter according to the variable frequency control parameter in the actual operation of the compressor and the preset initial value of the variable frequency control parameter
  • a parameter pre-correction module configured to pre-correct the variable frequency control parameters when the offset is greater than an offset threshold
  • the parameter final correction module which is configured to selectively according to The parameter correction value used in the pre-correction of the frequency conversion control parameter is used to perform final correction on the frequency conversion control parameter.
  • the monitoring parameters include the operating efficiency of the compressor and compressor parameters affecting the operating efficiency, wherein the compressor parameters affecting the operating efficiency include at least compression The phase current of the machine;
  • the parameter final correction module is further configured to perform the final correction of the frequency conversion control parameters according to the following steps:
  • the monitoring parameter is the operating efficiency of the compressor
  • the actual value of the operating efficiency preset before performing the pre-correction is smaller than the actual value of the operating efficiency after performing the pre-correction, then perform the said final amendment; otherwise said final amendment shall not be made;
  • the monitoring parameter is a compressor parameter that affects the operating efficiency
  • the compressor parameter falls within the preset parameter value range that reduces the operating efficiency of the compressor, then perform the final correction; otherwise, do not perform Said Final Amendment.
  • variable frequency control parameters include at least the counter electromotive force constant and the inductance of the compressor, and the initial value of the preset variable frequency control parameters is The parameter correction value used when performing the final correction;
  • the parameter offset acquisition module is configured to acquire the offset of the frequency conversion parameter according to the following steps:
  • a is the offset of the frequency conversion control parameter
  • F0 is the initial value of the preset frequency conversion control parameter
  • F is the frequency conversion control parameter in the actual operation of the compressor.
  • the system further includes a counter electromotive constant calculation module, and the counter electromotive constant calculation module is configured to obtain the actual operation of the compressor through the method shown in the following formula Back EMF constant:
  • Ke is the counter electromotive force constant in the actual operation
  • V counter is the counter electromotive force in the actual operation of the compressor
  • r is the rotational speed of the compressor in the actual operation.
  • a compressor control system including a processor and a storage device, the storage device is adapted to store a plurality of program codes, and the program codes are adapted to be loaded and run by the processor to execute the above-mentioned Compressor control method
  • an air conditioner in a fourth aspect, includes an air conditioner body and the compressor control system described in any one of the above-mentioned compressor control system technical solutions.
  • the present invention can obtain the offset of the variable frequency control parameter according to the variable frequency control parameter in the actual operation of the compressor and the preset initial value of the variable frequency control parameter, when the offset of the variable frequency control parameter When it is greater than the offset threshold, the frequency conversion control parameters are pre-corrected, and according to the comparison result between the actual value of the compressor monitoring parameter before pre-correction and the actual value of the compressor monitoring parameter after pre-correction, selectively according to The parameter correction value used in the pre-correction of the frequency conversion control parameters is used for the final correction of the frequency conversion control parameters.
  • the offset of the frequency conversion control parameters of the compressor can be effectively monitored.
  • the frequency conversion control parameters When the deviation of the frequency conversion control parameters is greater than the offset threshold, the frequency conversion control parameters will be pre-corrected, and the Compared with the actual value of the pre-corrected compressor monitoring parameters, it is further judged whether to make final corrections to the frequency conversion control parameters, which avoids the problem of compressor control failure caused by large frequency conversion control parameter deviations, and can realize effective compressor control. Frequency conversion control to improve the operating efficiency of the compressor.
  • Fig. 1 is a schematic flowchart of main steps of a control method of a compressor according to an embodiment of the present invention
  • Fig. 2 is a main structural block diagram of a control system of a compressor according to an embodiment of the present invention.
  • module and “processor” may include hardware, software or a combination of both.
  • a module may include hardware circuits, various suitable sensors, communication ports, memory, and may also include software parts, such as program codes, or a combination of software and hardware.
  • the processor may be a central processing unit, a microprocessor, a digital signal processor or any other suitable processor.
  • the processor has data and/or signal processing functions.
  • the processor can be implemented in software, hardware or a combination of both.
  • the non-transitory computer readable storage medium includes any suitable medium that can store program code, such as magnetic disks, hard disks, optical disks, flash memory, read only memory, random access memory, and the like.
  • a and/or B means all possible combinations of A and B, such as only A, only B or A and B.
  • the term “at least one of A or B” or “at least one of A and B” has a similar meaning to “A and/or B” and may include only A, only B or both A and B.
  • the terms “a” and “the” in the singular may also include plural forms.
  • the current traditional compressor control method is to pre-store some key control parameters in registers, and directly read the control parameters from the registers during the operation of the compressor to control the compressor.
  • the material properties of the compressor will decrease as time goes by. Taking the winding coil of the compressor as an example, as the compressor is used longer, the material properties of the coil will decrease. As a result, there will be a difference between the actual control parameter related to the coil and the control parameter preset in the register, and as the difference of the control parameter becomes larger, it is likely to cause the compressor to fail to control.
  • the material properties refer to the inherent properties of the object itself, including characteristic properties. Taking the inductor coil as an example, the material properties include the inductance of the inductor coil.
  • the present invention provides a compressor control method, system and air conditioner to solve the above problems.
  • FIG. 1 is a schematic flowchart of main steps of a control method of a compressor according to an embodiment of the present invention.
  • the compressor control method in the embodiment of the present invention mainly includes the following steps S101-S103.
  • Step S101 According to the frequency conversion control parameter in actual operation of the compressor and the preset initial value of the frequency conversion control parameter, the offset of the frequency conversion control parameter is obtained.
  • the frequency conversion control parameter refers to a parameter that can perform frequency conversion control on the compressor, specifically a parameter that can affect the operating frequency of the compressor during operation.
  • the frequency conversion control parameters in the actual operation of the compressor can be obtained, and the frequency conversion control parameters in the actual operation are compared with the preset initial values of the frequency conversion control parameters to obtain the offset of the frequency conversion control parameters of the compressor quantity.
  • Step S102 When the offset is greater than the offset threshold, perform pre-correction on the frequency conversion control parameters.
  • the offset of the variable frequency control parameter of the compressor can be compared with a preset offset threshold, and when the offset of the variable frequency control parameter is greater than the offset threshold, the Frequency conversion control parameters are pre-corrected.
  • a preset offset threshold Those skilled in the art can determine the offset threshold according to the needs in the actual application process.
  • the offset threshold is 10%, that is, when the offset is greater than 10%, the frequency conversion control parameters can be pre-corrected; when the offset is less than or equal to 10%, the frequency conversion control Parameters are pre-corrected.
  • the pre-correction refers to setting the initial value of the preset frequency conversion control parameter as the frequency conversion control parameter in actual operation of the compressor obtained through calculation or measurement, and controlling the compressor to run for a period of time.
  • Step S103 According to the comparison result of the actual value of the compressor monitoring parameter preset before the pre-correction and the actual value of the compressor monitoring parameter after the pre-correction, selectively correct according to the parameter used when the frequency conversion control parameter is pre-corrected value to make final corrections to the variable frequency control parameters.
  • the actual value of the compressor monitoring parameter preset before the pre-correction and the actual value of the compressor monitoring parameter after the pre-correction can be obtained, and the above two values are compared, and according to the comparison result, it is judged Whether to make final correction to the frequency conversion control parameters. If the final correction of the variable frequency control parameters is required, the final correction of the variable frequency control parameters can be carried out according to the parameter correction value used in the pre-correction of the variable frequency control parameters, and the parameter correction value used in the pre-correction will be used as the preset variable frequency control parameter the initial value of .
  • the final correction refers to setting the initial value of the preset frequency conversion control parameter as the parameter correction value adopted when the compressor performs pre-correction.
  • the present invention can obtain the offset of the frequency conversion control parameter according to the frequency conversion control parameter in the actual operation of the compressor and the preset initial value of the frequency conversion control parameter, when the offset of the frequency conversion control parameter is greater than When the offset threshold is reached, the frequency conversion control parameters are pre-corrected, and according to the comparison result between the actual value of the compressor monitoring parameters before pre-correction and the actual value of the compressor monitoring parameters The parameter correction value used when the control parameters are pre-corrected is used for the final correction of the variable frequency control parameters.
  • the offset of the frequency conversion control parameters of the compressor can be effectively monitored.
  • the frequency conversion control parameters When the deviation of the frequency conversion control parameters is greater than the offset threshold, the frequency conversion control parameters will be pre-corrected, and the Compared with the actual value of the pre-corrected compressor monitoring parameters, it is further judged whether to make final corrections to the frequency conversion control parameters, which avoids the problem of compressor control failure caused by large frequency conversion control parameter deviations, and can realize effective compressor control. Frequency conversion control to improve the operating efficiency of the compressor.
  • control method of the compressor may include the following steps in addition to the above step S101 to step S103: obtain the feedback in the actual operation of the compressor through the method shown in formula (1) Electromotive force constant:
  • Ke is the counter electromotive force constant in actual operation
  • V counter is the counter electromotive force in actual operation of the compressor
  • r is the speed of the compressor in actual operation.
  • the back electromotive force constant during the actual operation of the compressor can be calculated by using the back electromotive force in the actual operation of the compressor and the speed of the compressor in actual operation according to the formula (1), wherein the back electromotive force constant in the actual operation of the compressor
  • the counter electromotive force is obtained through actual testing.
  • the counter electromotive force refers to the electromotive force generated against the changing trend of the current. According to the electromagnetic current, when the magnetic field changes, the conductor near it will generate an induced voltage, which is equal to and opposite to the voltage applied to both ends of the inductance coil. The induced voltage is the counter electromotive force.
  • the counter electromotive force constant refers to the ratio relationship between the counter electromotive force generated by the compressor winding coil and the compressor speed.
  • Step S101 and step S103 will be further described below.
  • variable frequency control parameters include at least the counter electromotive force constant and the inductance of the compressor, and the preset initial value of the variable frequency control parameters is the one used when the final correction of the variable frequency control parameters was performed last time.
  • Parameter correction value refers to the physical quantity of the self-induction ability of the compressor winding coil.
  • Step S101 may further include:
  • a is the offset of the variable frequency control parameter
  • F0 is the initial value of the preset variable frequency control parameter
  • F is the variable frequency control parameter in the actual operation of the compressor.
  • variable frequency control parameters may include the counter electromotive force constant and the inductance of the compressor
  • the preset initial values of the variable frequency control parameters may be the parameter correction values used in the last final correction of the variable frequency control parameters.
  • the offset of the variable frequency control parameter can be obtained according to the method shown in formula (2) according to the variable frequency control parameter in the actual operation of the compressor and the preset initial value of the variable frequency control parameter.
  • variable frequency control parameter may be the counter electromotive force constant of the compressor.
  • the compressor calculates the back electromotive force of the compressor according to the preset back electromotive force constant, and obtains the voltage value that needs to be applied to the compressor according to the back electromotive force of the compressor, and further, according to the voltage applied to the compressor Value, change the speed of the compressor, and change the operating frequency of the compressor to realize the frequency conversion control of the compressor. And when the material properties of the winding coil decrease, it will lead to a decrease in the counter electromotive force generated by the coil.
  • the compressor still calculates and controls the back EMF of the compressor according to the preset back EMF constant, which will cause the calculated back EMF of the control compressor to be higher than the actual back EMF generated by the coil. This will cause the voltage applied by the compressor to be higher than the actual voltage value required by the compressor, which will further lead to a deviation between the speed and frequency of the compressor running and the actual speed and frequency of the compressor, resulting in compressor control failure. And cause the output efficiency to decrease.
  • the compressor can calculate the back electromotive force constant of the compressor in actual operation according to formula (1) according to the back electromotive force measured during the actual operation of the compressor and the speed of the compressor during actual operation. And apply the formula (2) to calculate the offset of the back electromotive force constant.
  • the calculated offset of the back EMF constant can be compared with the preset offset threshold of the back EMF constant, and when the offset of the back EMF constant is greater than the offset threshold, the back EMF constant is pre-corrected .
  • variable frequency control parameter may be the inductance of the compressor.
  • the compressor can obtain the waveform of the pulse voltage of the stator winding of the compressor under different rotor positions according to the preset inductance, and further determine the current change rate of the stator winding according to the waveform of the pulse voltage.
  • the inductance decreases, the rate of change of current will increase, and if the inductance increases, the rate of change of current will decrease, that is, the rate of change of current in the winding is inversely proportional to the size of its inductance. According to this change law, the minimum point of compressor inductance can be detected, which is the initial position interval of the rotor.
  • the compressor may calculate the offset of the inductance according to the inductance measured during the actual operation of the compressor, and apply the formula (2).
  • the calculated inductance offset can be compared with a preset inductance offset threshold, and when the inductance offset is greater than the offset threshold, the inductance is pre-corrected.
  • the preset initial value of the variable frequency control parameter may be the parameter correction value used when the final correction of the variable frequency control parameter was performed last time. That is to say, according to the needs in the actual operation process, the frequency conversion control parameters in actual operation can be obtained every interval T (T>0), and the offset of the frequency conversion control parameters can be calculated according to the above formula (2), according to step S102 The method for judging whether to perform pre-correction on the frequency conversion control parameters, and further judging whether to perform final correction on the frequency conversion control parameters according to the method in step S103.
  • the frequency conversion control parameters in actual operation can be stored in the register of the compressor, and the frequency conversion control of the compressor can be performed according to the frequency conversion control parameters; Compare the frequency conversion control parameters in the actual running process of the machine with the frequency conversion control parameters stored in the register.
  • the frequency conversion control parameters of the compressor can be self-corrected according to the actual operation of the compressor, which can effectively avoid the compressor control failure caused by the decline in material properties during the operation of the compressor.
  • the monitored parameters include the operating efficiency of the compressor and compressor parameters affecting the operating efficiency, wherein the compressor parameters affecting the operating efficiency at least include phase currents of the compressor.
  • Step S103 may further include:
  • the monitoring parameter is the operating efficiency of the compressor
  • the final correction is performed; otherwise, the final correction is not performed
  • the monitoring parameter is a compressor parameter that affects the operation efficiency
  • the compressor parameter falls within the preset parameter value range that reduces the operation efficiency of the compressor, the final correction is performed; otherwise, the final correction is not performed.
  • the monitoring parameters may include compressor operating efficiency and compressor parameters affecting operating efficiency, wherein the compressor parameters affecting operating efficiency may at least include phase current of the compressor.
  • the actual value of the preset operating efficiency of the compressor before the pre-correction and the actual value of the actual value of the operating efficiency after the pre-correction can be obtained. If the actual value of the assumed operating efficiency is smaller than the actual value of the operating efficiency after the pre-correction, the final correction can be performed, otherwise the final correction will not be performed. That is, if the operating efficiency of the compressor is improved after the pre-correction is performed, the final correction will be performed; otherwise, the final correction will not be performed.
  • the actual value of the phase current of the compressor before pre-correction and the actual value of the phase current of the compressor after pre-correction can be obtained.
  • the actual value of the phase current after correction is smaller than the actual value of the phase current before pre-correction, the final correction can be performed, otherwise the final correction is not performed. That is to say, when the actual value of the phase current of the compressor decreases, the loss efficiency of the compressor decreases, so that the operating efficiency of the compressor increases, and the final correction can be performed; otherwise, the final correction is not performed.
  • the present invention also provides a compressor control system.
  • Fig. 2 is a main structural block diagram of a control system of a compressor according to an embodiment of the present invention.
  • the control system of the compressor in the embodiment of the present invention may include a parameter offset acquisition module, a parameter pre-correction module and a parameter final correction module.
  • the parameter offset acquiring module may be configured to acquire the offset of the variable frequency control parameter according to the variable frequency control parameter in actual operation of the compressor and the preset initial value of the variable frequency control parameter.
  • the parameter pre-correction module can be configured to pre-correct the variable frequency control parameters when the offset is greater than the offset threshold.
  • the parameter final correction module can be configured to selectively perform pre-correction on the frequency conversion control parameters according to the comparison result between the actual value of the compressor monitoring parameter preset before the pre-correction and the actual value of the compressor monitoring parameter after the pre-correction
  • the parameter correction value adopted at the time is used to make the final correction to the frequency conversion control parameters.
  • the monitoring parameters may include the operating efficiency of the compressor and the compressor parameters affecting the operating efficiency, wherein the compressor parameters affecting the operating efficiency at least include the phase current of the compressor; the parameter final correction module may be further configured as The final correction of the frequency conversion control parameters is carried out according to the following steps: When the monitoring parameter is the operating efficiency of the compressor, if the actual value of the preset operating efficiency before the pre-correction is smaller than the actual value of the operating efficiency after the pre-correction, the final correction is performed ;Otherwise, the final correction will not be performed; when the monitoring parameter is a compressor parameter that affects the operating efficiency, if the compressor parameter falls within the preset parameter value range that reduces the operating efficiency of the compressor, the final correction will be performed; otherwise, the final correction will not be performed. fix.
  • variable frequency control parameters may at least include the counter electromotive force constant and the inductance of the compressor, and the preset initial values of the variable frequency control parameters are the parameter correction values used when the final correction of the variable frequency control parameters was performed last time;
  • the displacement acquisition module is configured to obtain the offset of the frequency conversion parameters according to the following steps: according to the frequency conversion control parameters in the actual operation of the compressor and the preset initial value of the frequency conversion control parameters, and use the method shown in the following formula to obtain the frequency conversion control parameters offset of:
  • a is the offset of the frequency conversion control parameter
  • F 0 is the initial value of the preset frequency conversion control parameter
  • F is the frequency conversion control parameter in the actual operation of the compressor.
  • control system of the compressor may further include a counter electrokinetic constant calculation module.
  • the counter electromotive force constant calculation module can be configured to obtain the counter electromotive force constant in the actual operation of the compressor through the method shown in the following formula:
  • Ke is the counter electromotive force constant in actual operation
  • V counter is the counter electromotive force in actual operation of the compressor
  • r is the speed of the compressor in actual operation.
  • control system of the above-mentioned compressor is used to execute the embodiment of the control method of the compressor shown in FIG. It is understood that, for the convenience and brevity of description, for the specific working process and relevant descriptions of the control system of the compressor, reference may be made to the content described in the embodiment of the control method of the compressor, which will not be repeated here.
  • the computer program includes computer program code
  • the computer program code may be in the form of source code, object code, executable file or some intermediate form.
  • the computer-readable medium may include: any entity or device capable of carrying the computer program code, medium, U disk, removable hard disk, magnetic disk, optical disk, computer memory, read-only memory, random access memory, electrical carrier signal , telecommunication signals, and software distribution media. It should be noted that the content contained in the computer-readable medium may be appropriately increased or decreased according to the requirements of legislation and patent practice in the jurisdiction. For example, in some jurisdictions, computer-readable media Excludes electrical carrier signals and telecommunication signals.
  • the present invention also provides a compressor control system.
  • the compressor control system may include a processor and a storage device, and the storage device may be configured to store a program for executing the compressor control method of the above method embodiment, and process The device may be configured to execute the program in the storage device, the program includes but not limited to the program for executing the compressor control method of the above method embodiment.
  • the control system may be a control device formed including various electronic devices.
  • the present invention also provides an air conditioner.
  • the air conditioner may include an air conditioner body and the control system of the compressor described in the above embodiment of the control system of the compressor.
  • each module is only to illustrate the functional units of the system of the present invention
  • the physical device corresponding to these modules may be the processor itself, or a part of the software in the processor, a part of the hardware, or Part of a combination of software and hardware. Therefore, the number of each module in the figure is only illustrative.
  • each module in the system can be split or merged adaptively. Such splitting or merging of specific modules will not cause the technical solution to deviate from the principle of the present invention, therefore, the technical solutions after splitting or merging will all fall within the protection scope of the present invention.

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Abstract

La présente invention concerne le domaine technique de la commande de climatiseur, et en particulier fournit un procédé et un système de commande de compresseur, et un climatiseur, pour résoudre le problème selon lequel un décalage de paramètre de compresseur peut conduire à une défaillance de commande de compresseur. En conséquence, le procédé de commande de compresseur de la présente invention consiste à : en fonction d'un résultat de comparaison entre un paramètre de commande de fréquence variable d'un compresseur en fonctionnement réel et une valeur initiale prédéfinie du paramètre de commande de fréquence variable, obtenir un décalage du paramètre de commande de fréquence variable ; déterminer, en fonction du décalage, s'il faut pré-corriger le paramètre de commande de fréquence variable ; et déterminer en outre, en fonction des paramètres de surveillance de compresseur avant et après la pré-correction, s'il faut effectuer une correction finale sur le paramètre de commande de fréquence variable. Le décalage du paramètre de commande de fréquence variable et la défaillance de commande de compresseur due à une dégradation des caractéristiques des matériaux en raison d'un fonctionnement sur le long terme du compresseur peuvent être évités.
PCT/CN2022/109026 2021-08-06 2022-07-29 Procédé et système de commande de compresseur, et climatiseur WO2023011355A1 (fr)

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CN202110903377.8A CN113654225B (zh) 2021-08-06 2021-08-06 压缩机的控制方法、系统及空调器
CN202110903377.8 2021-08-06

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CN113654225B (zh) * 2021-08-06 2023-03-24 青岛海尔空调器有限总公司 压缩机的控制方法、系统及空调器
CN115143595B (zh) * 2022-06-29 2024-05-24 北京小米移动软件有限公司 空调压缩机电感值修正方法、装置、设备、空调、介质
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