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WO2019218638A1 - Procédé de commande pour appareil domestique à fréquence variable, module de commande de puissance et support de stockage lisible - Google Patents

Procédé de commande pour appareil domestique à fréquence variable, module de commande de puissance et support de stockage lisible Download PDF

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Publication number
WO2019218638A1
WO2019218638A1 PCT/CN2018/118242 CN2018118242W WO2019218638A1 WO 2019218638 A1 WO2019218638 A1 WO 2019218638A1 CN 2018118242 W CN2018118242 W CN 2018118242W WO 2019218638 A1 WO2019218638 A1 WO 2019218638A1
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WO
WIPO (PCT)
Prior art keywords
current value
home appliance
power
preset
frequency conversion
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/CN2018/118242
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English (en)
Chinese (zh)
Inventor
闫大富
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Midea Group Co Ltd
GD Midea Air Conditioning Equipment Co Ltd
Original Assignee
Midea Group Co Ltd
GD Midea Air Conditioning Equipment Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Midea Group Co Ltd, GD Midea Air Conditioning Equipment Co Ltd filed Critical Midea Group Co Ltd
Publication of WO2019218638A1 publication Critical patent/WO2019218638A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B19/00—Programme-control systems
    • G05B19/02—Programme-control systems electric
    • G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers

Definitions

  • the present application relates to the field of household appliances, and in particular, to a control method of a frequency conversion home appliance, a power control module, and a readable storage medium.
  • the air switch also called air circuit breaker
  • the air conditioner is a high-power electric appliance in the home. If the air conditioner is turned on within the time when other household appliances are turned on in the home, the air switch may be disconnected.
  • the frequency conversion home appliance (such as the inverter air conditioner) must be upgraded to a threshold value during the startup phase, and then perform other functions, the current of the frequency conversion appliance will become larger and larger in this process, that is, the current detection of the power control module in the process.
  • the device detects that the total electric current value of the household appliance is getting larger and larger. When the total electric current value is greater than the rated current value of the air switch in the household, the transmitting device of the power control module sends a shutdown command to the controlled frequency conversion.
  • the final control result of the home appliance is the phenomenon that the controlled frequency conversion appliance appears to be continuously turned on and off, so that the power control module loses the function of intelligently adjusting the household power consumption, and the controlled frequency conversion home appliance cannot be used, such as the inverter air conditioner cannot be used, The user experience is very poor.
  • the main purpose of the present application is to provide a control method for a frequency conversion home appliance, which aims to avoid the phenomenon that the frequency conversion home appliance is continuously turned on and off to enhance the user experience.
  • the present application provides a control method for a frequency conversion home appliance, and the control method of the frequency conversion home appliance includes the following steps:
  • step S30 includes:
  • the method further includes:
  • the transmitting device that controls the power control module sends a normal power-limiting command to the controlled frequency conversion home appliance.
  • the preset rated current value is a rated current value of the air switch in the home.
  • the present application further provides a power control module, where the power control module includes a power module, a current detecting device, a transmitting device, a main controller, and a memory stored in the main controller and a variable frequency appliance control program running on a processor in the main controller; wherein:
  • the power module is configured to provide a power supply for the current detecting device, the transmitting device, and the main controller;
  • the current detecting device is configured to detect a total electric current value of the home appliance, and send the total electric current value to the main controller;
  • the transmitting device is configured to send a control command to the controlled frequency conversion home appliance to control the operation of the controlled frequency conversion home appliance;
  • the frequency conversion appliance control program is implemented by a processor in the main controller to implement the following steps:
  • variable frequency appliance control program is further implemented by the processor in the main controller to implement the following steps:
  • variable frequency appliance control program is further implemented by the processor in the main controller to implement the following steps:
  • the preset rated current value is a rated current value of the air switch in the home.
  • the present application further provides a readable storage medium, wherein the readable storage medium stores a variable frequency home appliance control program, and the variable frequency home appliance control program is executed by the processor to implement the frequency conversion home appliance as described above. Control method.
  • the control method of the frequency conversion home appliance of the present application firstly detects whether the transmitting device of the power control module has sent a power-on command to the controlled frequency conversion home appliance; if it detects that the transmitting device of the power control module has sent the power-on command to the controlled frequency conversion home appliance, acquiring the home appliance Generating a current value, and detecting a ratio of the total current value to a preset current value, and starting when a ratio of the total current value to a preset current value reaches a preset standard threshold Timing; then controlling whether the transmitting device of the power control module sends a shutdown command to the controlled frequency conversion appliance according to the timing time and the ratio of the total electrical current value to the preset rated current value to control the controlled frequency conversion
  • the appliance is turned off or continues to run.
  • the control method of the frequency conversion home appliance of the present application controls whether the transmitting device of the power control module sends a shutdown command to the controlled frequency conversion home appliance according to the relationship between the timing time and the ratio of the total power consumption current value of the home appliance to the preset rated current value. Controlling the controlled frequency conversion appliance to shut down or continue to start operation, thereby avoiding the phenomenon that the frequency conversion appliance appears to continuously switch on and off, thereby enhancing the user experience.
  • FIG. 1 is a schematic flow chart of a first embodiment of a control method for a frequency conversion home appliance according to the present application
  • FIG. 2 is a schematic flow chart of a second embodiment of a method for controlling a frequency conversion home appliance according to the present application
  • FIG. 3 is a schematic flow chart of a third embodiment of a method for controlling a frequency conversion home appliance according to the present application
  • FIG. 4 is a schematic diagram of functional modules of an embodiment of a power control module of the present application.
  • the frequency conversion home appliance (such as inverter air conditioner) will continue to rise during the startup phase, and the inverter air conditioner will shield the frequency reduction command sent by the power control module's transmitting device during the startup phase, the inverter air conditioner has a slower current rise during the startup phase, and the duration is slow. Longer, but the total current I z of the home appliance during the start-up phase (ie the total current on the home bus, ie the total current value I Z of all open household appliances in the home) is at most the rated current.
  • the value I 0 (that is, the rated current value I 0 of the air switch) is twice, and the time ratio of the total electric current I Z of the home appliance exceeding the rated current value I 0 of the air switch is not long, generally ten seconds to Twenty seconds.
  • the process of disconnecting the air switch is not immediately disconnected from the rated current value I 0 when the total electric current I Z of the electric appliance exceeds the rated current value I 0 , the current flowing through the air switch and the rated current value I The ratio of 0 is getting larger and larger, and the time for the air switch to remain in the closed state is shorter and shorter, for example, when the air switch continuously flows twice the current of the rated current value I 0 , the time when the air switch is turned off For ten to ten seconds, when the current flowing through the air switch is three times the rated current value I 0 , the off time of the air switch is 2 to 10 seconds.
  • the present application provides a control method for a frequency conversion home appliance, which is used to avoid the phenomenon that the frequency conversion home appliance is continuously turned on and off to enhance the user experience.
  • phase electric appliances total current I Z exceeds said rated current value I and the air switch-off time of the time 0 and the relationship between the current value of the air flowing through the switch, and design a frequency
  • the control method of the home appliance avoids the problem that the frequency conversion appliance continuously turns on and off.
  • a method for controlling a variable frequency home appliance includes the following steps:
  • the total electric current value I Z of the home appliance is the total current on the home bus, that is, the total electric current value I Z of all the opened household appliances in the home;
  • the predetermined current value I 0 is the nominal rated current value of the air switch family I 0.
  • the preset standard threshold K0 can be set according to the actual situation.
  • the preset standard threshold K0 is 1.25, that is, the control method of the frequency conversion home appliance of the embodiment is in the total use.
  • the timing starts when the ratio K of the electric current value I Z to the preset rated current value I 0 reaches 1.25.
  • the control method of the frequency conversion home appliance of the embodiment starts timing when the ratio K of the total electric current value I Z of the home appliance and the preset rated current value I 0 reaches the preset standard threshold value K0, and according to the controlled frequency conversion home appliance in the startup phase
  • the relationship between the total electric current I Z exceeding the rated current value I 0 ie, the above-mentioned timing time t) and the ratio of the total electric current value I Z to the preset rated current value I 0
  • step S30 includes:
  • the control method of the variable frequency home appliance of the embodiment determines the ratio K of the total power consumption current value I Z to the preset rated current value I 0 . Whether it is greater than the first threshold K1, that is, when t ⁇ T1, it is determined whether I Z /I 0 is greater than K1; the control method of the variable frequency home appliance of the embodiment is judged when the timing time t is less than or equal to the second preset duration T2 Whether the ratio K of the total electric current value I Z to the preset rated current value I 0 is greater than the second threshold K2, that is, when t ⁇ T2, it is determined whether I Z /I 0 is greater than K3.
  • the second preset duration T2 is greater than the first preset duration T1, that is, T2>T1; and the second threshold K2 is smaller than the first threshold K1, that is, K2 ⁇ K1.
  • the timing time t is less than or equal to the first preset time length T1 (ie, within a time period of t ⁇ T1), the total power consumption current value I Z and the preset rated current are determined.
  • the transmitting device of the power control module sends a shutdown command to the controlled inverter home appliance to control the shutdown of the controlled frequency conversion appliance;
  • the time period t is less than or equal to the first preset time length T1 (ie, the time period of t ⁇ T1)
  • the total power consumption current value I Z and the preset value are determined.
  • the first preset duration T1 and the second preset duration T2 can be set according to actual conditions.
  • the air switch used in the home is a Schneider air switch
  • the controlled variable frequency home appliance is an inverter air conditioner
  • the first preset time length T1 is greater than or equal to 2 seconds and less than or equal to 9 Second
  • the second preset duration T2 is greater than or equal to 10 seconds and less than or equal to 25 seconds.
  • the first threshold K1 and the second threshold K2 may be set according to actual conditions.
  • the air switch used in the home is a Schneider air switch
  • the controlled variable frequency home appliance is an inverter air conditioner
  • the first threshold K1 is greater than or equal to 2 and less than or equal to 2.5
  • the second threshold K2 is greater than or equal to 1.5 and less than or equal to 1.9.
  • the control method of the frequency conversion home appliance of the embodiment is based on the time when the total power consumption current I Z exceeds the rated current value I 0 (ie, the above-mentioned timing time t) and the total power consumption current value I Z according to the frequency conversion home appliance during the startup phase.
  • the relationship between the ratio K of the preset rated current value I 0 is used to control whether the transmitting device of the power control module sends a shutdown command to the controlled inverter appliance to control the controlled inverter appliance to be turned off or continue to operate, thereby avoiding the frequency conversion.
  • the phenomenon of continuous switching on and off the appliance has increased the user experience.
  • the method further includes:
  • the transmitting device that controls the power control module sends a normal power-limiting command to the controlled frequency conversion home appliance.
  • the control method of the frequency conversion home appliance of the embodiment detects that the transmitting device of the power control module does not send the power-on command to the frequency conversion home appliance, the transmitting device that controls the power control module sends a normal power-limiting command to the controlled frequency conversion home appliance. That is, in this embodiment, if it is detected that the transmitting device of the power control module does not send the power-on command to the frequency conversion home appliance, the control power control module performs a normal power limiting control operation on the controlled frequency conversion home appliance.
  • the controlled variable frequency home appliance is an inverter air conditioner
  • the current detecting device in the power control module detects that the total electric current value I Z of the home appliance is the rated current value I 0
  • 1+X times for example, X is greater than 0..25
  • the transmitting device of the power control module is controlled.
  • the present application further provides a power control module.
  • the power control module 100 includes a power module 101, a current detecting device 102, a transmitting device 103, a main controller 104, and is stored in the main control.
  • the power module 101 is configured to provide power supply for the current detecting device 102, the transmitting device 103, and the main controller 104;
  • the current detecting device 102 is configured to detect a total electrical current value of the home appliance, and send the total electrical current value to the main controller 104;
  • the transmitting device 103 is configured to send a control command to the controlled frequency conversion home appliance (not shown) to control the operation of the controlled frequency conversion home appliance;
  • variable frequency home appliance control program when executed by the processor in the main controller 104, the following steps are implemented:
  • variable frequency home appliance control program when executed by the processor in the main controller 104, the following steps are further implemented:
  • the first preset duration and the second preset duration may be set according to actual conditions.
  • the air switch used in the home is a Schneider air switch
  • the controlled variable frequency home appliance is an inverter air conditioner
  • the first preset duration is greater than or equal to 2 seconds and less than or equal to 9 seconds.
  • the second preset duration is greater than or equal to 10 seconds and less than or equal to 25 seconds.
  • the first threshold and the second threshold may be set according to actual conditions.
  • the air switch used in the home is a Schneider air switch
  • the controlled variable frequency home appliance is an inverter air conditioner
  • the first threshold is greater than or equal to 2 and less than or equal to 2.5
  • the first The two thresholds are greater than or equal to 1.5 and less than or equal to 1.9.
  • variable frequency home appliance control program when executed by the processor in the main controller, the following steps are further implemented:
  • the main controller 104 in the power control module 100 of the present embodiment detects that the ratio K of the total electric current value I Z of the home appliance and the preset rated current value I 0 reaches the preset standard threshold.
  • the timing is t
  • the main controller 104 is based on the time when the total used electric current I Z exceeds the rated current value I 0 during the startup phase of the controlled inverter appliance (ie, the timing time t And controlling the relationship between the total electric current value I Z and the preset rated current value I 0 to control whether the transmitting device 103 sends a shutdown command to the controlled inverter appliance to control the controlled inverter appliance to be turned off or Continue to start the operation, thus avoiding the phenomenon that the controlled frequency conversion appliances are continuously turned on and off, thereby enhancing the user experience.
  • the present application further provides a readable storage medium having a variable frequency appliance control program stored thereon, the variable frequency appliance control program being the processor in the main control module 104 in the power control module 100 shown in FIG.
  • the steps of the control method of the inverter home appliance as described above are implemented at the time of execution.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Measuring Frequencies, Analyzing Spectra (AREA)
  • Inverter Devices (AREA)

Abstract

La présente invention concerne un procédé de commande pour appareil domestique à fréquence variable, un module de commande de puissance (100) et un support de stockage lisible. Le procédé de commande pour appareil domestique à fréquence variable comprend les étapes suivantes: la détection de la transmission, par un dispositif de transmission (103) d'un module de commande de puissance (100), d'une commande de mise sous tension à un appareil domestique à fréquence variable commandé (S10); s'il est détecté que le dispositif de transmission (103) du module de commande de puissance (100) a transmis une commande de mise sous tension à l'appareil domestique à fréquence variable commandé, l'acquisition d'une valeur de consommation totale de courant (Iz) de l'appareil domestique, la surveillance d'un rapport (K) entre la valeur de consommation totale de courant (Iz) de l'appareil domestique et une valeur de courant nominal prédéfinie (I0), et le démarrage d'un minutage quand le rapport entre la valeur de consommation totale de courant (Iz) de l'appareil domestique et la valeur de courant nominal prédéfinie (I0) atteint un seuil standard prédéfini (K0) (S20); et la commande, en fonction d'une relation entre le temps du minutage (t) et le rapport (K) entre la valeur de consommation totale de courant (Iz) de l'appareil domestique et la valeur de courant nominal prédéfinie (I0), du dispositif de transmission (103) du module de commande de puissance (100) pour transmettre ou ne pas transmettre une commande de mise hors tension à l'appareil domestique à fréquence variable commandée, afin de commander l'appareil domestique à fréquence variable commandé pour l'éteindre ou pour qu'il continue à fonctionner (S30). L'invention évite une situation dans laquelle un appareil domestique à fréquence variable est fréquemment mis sous tension et mis hors tension, ce qui permet d'améliorer l'expérience utilisateur.
PCT/CN2018/118242 2018-05-17 2018-11-29 Procédé de commande pour appareil domestique à fréquence variable, module de commande de puissance et support de stockage lisible Ceased WO2019218638A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201810485393.8 2018-05-17
CN201810485393.8A CN108549266A (zh) 2018-05-17 2018-05-17 变频家电的控制方法、功率控制模块和可读存储介质

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CN108549266A (zh) * 2018-05-17 2018-09-18 广东美的制冷设备有限公司 变频家电的控制方法、功率控制模块和可读存储介质
CN115903530B (zh) * 2021-09-30 2025-09-02 广东美的生活电器制造有限公司 家电设备的控制方法、家电设备及计算机可读存储介质

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