CN105140926A - Electrical equipment power supply control method and control system thereof - Google Patents

Electrical equipment power supply control method and control system thereof Download PDF

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Publication number
CN105140926A
CN105140926A CN201510697275.XA CN201510697275A CN105140926A CN 105140926 A CN105140926 A CN 105140926A CN 201510697275 A CN201510697275 A CN 201510697275A CN 105140926 A CN105140926 A CN 105140926A
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CN
China
Prior art keywords
power supply
electric equipment
user
threshold
voltage
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.)
Pending
Application number
CN201510697275.XA
Other languages
Chinese (zh)
Inventor
王后军
易红艳
梁绍康
李成焕
王志
钟翼诚
郑文力
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.)
Gree Electric Appliances Inc of Zhuhai
Original Assignee
Gree Electric Appliances Inc of Zhuhai
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 Gree Electric Appliances Inc of Zhuhai filed Critical Gree Electric Appliances Inc of Zhuhai
Priority to CN201510697275.XA priority Critical patent/CN105140926A/en
Publication of CN105140926A publication Critical patent/CN105140926A/en
Pending legal-status Critical Current

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Classifications

    • 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
    • Y02B70/00Technologies for an efficient end-user side electric power management and consumption
    • Y02B70/30Systems integrating technologies related to power network operation and communication or information technologies for improving the carbon footprint of the management of residential or tertiary loads, i.e. smart grids as climate change mitigation technology in the buildings sector, including also the last stages of power distribution and the control, monitoring or operating management systems at local level
    • 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
    • Y02B70/00Technologies for an efficient end-user side electric power management and consumption
    • Y02B70/30Systems integrating technologies related to power network operation and communication or information technologies for improving the carbon footprint of the management of residential or tertiary loads, i.e. smart grids as climate change mitigation technology in the buildings sector, including also the last stages of power distribution and the control, monitoring or operating management systems at local level
    • Y02B70/3225Demand response systems, e.g. load shedding, peak shaving
    • 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
    • Y04INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04SSYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
    • Y04S20/00Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
    • Y04S20/20End-user application control systems
    • Y04S20/222Demand response systems, e.g. load shedding, peak shaving
    • 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
    • Y04INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04SSYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
    • Y04S20/00Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
    • Y04S20/20End-user application control systems
    • Y04S20/242Home appliances

Abstract

The invention discloses an electrical equipment power supply control method and a control system thereof. The method comprises steps: voltage of a user power supply is acquired; when the voltage of the user power supply is in a first threshold to a second threshold and kept for first preset time, connection between the user power supply and the electrical equipment is controlled; or, when the voltage of the user power supply is not in the first threshold to the second threshold and kept for second preset time, connection between the user power supply and the electrical equipment is controlled to be cutoff. Thus, during the electrical equipment work process, the voltage of the user power supply can be detected, and when the voltage of the user power supply is over high or over low, connection between the user power supply and the electrical equipment is controlled to be cutoff; and when the voltage of the user power supply is normal, the user power supply and the electrical equipment are connected, the electrical equipment can be prevented from working under over high voltage or over low voltage, the electrical equipment can be effectively protected, and reliability, safety and the service life of the electrical equipment can be prevented from being badly influenced.

Description

The method for controlling power supply of electric equipment and control system thereof
Technical field
The present invention relates to power supply technique field, more specifically, relate to a kind of method for controlling power supply and control system thereof of electric equipment.
Background technology
In some low developed area, because infrastructure is relatively backward, thus cause the capacity of the electrical network in these areas less, make the voltage fluctuation of electrical network very large, and then affect user's power supply.If electric equipment works long hours under user's power environment that this voltage fluctuation is very large, and can not be effectively protected, harmful effect can be caused to the reliability of electric equipment, fail safe and useful life.
Summary of the invention
In view of this; the invention provides a kind of method for controlling power supply and control system thereof of electric equipment; user's power supply overtension or too low time; connection between disconnect user power supply and electric equipment; and when the voltage of user's power supply is normal; connect between user's power supply and electric equipment, electric equipment is effectively protected, avoid the reliability to electric equipment, fail safe and useful life to cause harmful effect.
For achieving the above object, technical scheme provided by the invention is as follows:
A method for controlling power supply for electric equipment, comprising:
Gather the voltage of user's power supply;
To be in first threshold to Second Threshold when the voltage of described user's power supply and to maintain the first Preset Time, then controlling described user's power supply and be connected with between described electric equipment; Or, when the voltage of described user's power supply not to be in described first threshold to Second Threshold and to maintain the second Preset Time, then control the separated of described user's power supply and described electric equipment.
Preferably, the relay be arranged between described user's power supply and described electric equipment by control or contactor, to control described user's power supply and be connected between described electric equipment or disconnect.
Preferably, before the voltage gathering user's power supply, also comprise:
Whether the control box of the described electric equipment of real-time detection is on fire, if on fire, then controls the separated of described user's power supply and described electric equipment; If not on fire, then gather the voltage of described user's power supply.
Preferably, by detecting the thermal cut-off be arranged in the control box of described electric equipment, whether on fire with the control box detecting described electric equipment.
Preferably, when the voltage of described user's power supply not to be in described first threshold to Second Threshold and to maintain the second Preset Time, control described user's power supply and described electric equipment separated while, also comprise:
Display Fisrt fault code or the second failure code, wherein, described Fisrt fault code is failure code when being less than described first threshold, and described second failure code is failure code when being greater than described Second Threshold.
Preferably, if the control box of described electric equipment is on fire, then control described user's power supply and described electric equipment separated while, also comprise:
Show the 3rd failure code.
Accordingly, present invention also offers a kind of electric power supply control system of electric equipment, comprising:
Harvester, for gathering the voltage of user's power supply;
And processor, for be in when the voltage of described user's power supply in first threshold to Second Threshold and to maintain the first Preset Time, then controls described user's power supply and is connected with between described electric equipment; Or, when the voltage of described user's power supply not to be in described first threshold to Second Threshold and to maintain the second Preset Time, then control the separated of described user's power supply and described electric equipment.
Preferably, described electric power system comprises:
Be arranged at the relay between described user's power supply and described electric equipment or contactor, wherein, described processor passes through to control described relay or contactor, to control described user's power supply and be connected between described electric equipment or disconnect.
Preferably, before the voltage gathering user power supply, whether the control box of described processor also for detecting described electric equipment be in real time on fire, if on fire, then controls the separated of described user's power supply and described electric equipment; If not on fire, then gather the voltage of described user's power supply.
Preferably, described electric power system comprises:
Be arranged at the thermal cut-off in the control box of described electric equipment, wherein, whether described processor is by detecting described thermal cut-off, on fire with the control box detecting described electric equipment.
Preferably, described electric power system also comprises:
Display unit, during for not to be in when the voltage of described user's power supply in described first threshold to Second Threshold and to maintain the second Preset Time, control described user's power supply and described electric equipment separated while, display Fisrt fault code or the second failure code, wherein, described Fisrt fault code is failure code when being less than described first threshold, and described second failure code is failure code when being greater than described Second Threshold.
Preferably, if the control box of described display unit also for described electric equipment is on fire, then control described user's power supply and described electric equipment separated while, display the 3rd failure code.
Compared to prior art, technical scheme provided by the invention at least has the following advantages:
The method for controlling power supply of a kind of electric equipment provided by the invention and control system thereof, comprising: the voltage gathering user's power supply; To be in first threshold to Second Threshold when the voltage of described user's power supply and to maintain the first Preset Time, then controlling described user's power supply and be connected with between described electric equipment; Or, when the voltage of described user's power supply not to be in described first threshold to Second Threshold and to maintain the second Preset Time, then control the separated of described user's power supply and described electric equipment.As shown in the above, technical scheme provided by the invention, can detect the voltage of user's power supply in the electric equipment course of work, and user's power supply overtension or too low time, the connection between disconnect user power supply and electric equipment; And when the voltage of user's power supply is normal; connect between user's power supply and electric equipment; avoid electric equipment at too high or too low operating at voltages, electric equipment is effectively protected, and then avoid the reliability to electric equipment, fail safe and useful life to cause harmful effect.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments of the invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to the accompanying drawing provided.
The flow chart of the method for controlling power supply of a kind of electric equipment that Fig. 1 provides for the embodiment of the present application;
The flow chart of the method for controlling power supply of the another kind of electric equipment that Fig. 2 provides for the embodiment of the present application;
The flow chart of the method for controlling power supply of another electric equipment that Fig. 3 provides for the embodiment of the present application;
The structural representation of the electric power supply control system of a kind of electric equipment that Fig. 4 provides for the embodiment of the present application;
The structural representation of the electric power supply control system of the another kind of electric equipment that Fig. 5 provides for the embodiment of the present application.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
As described in background, if electric equipment works long hours under user's power environment that this voltage fluctuation is very large, and can not be effectively protected, harmful effect can be caused to the reliability of electric equipment, fail safe and useful life.
Based on this; the embodiment of the present application provides a kind of method for controlling power supply and control system thereof of electric equipment; user's power supply overtension or too low time; connection between disconnect user power supply and electric equipment; and when the voltage of user's power supply is normal; connect between user's power supply and electric equipment, electric equipment is effectively protected, avoid the reliability to electric equipment, fail safe and useful life to cause harmful effect.
Shown in figure 1, the flow chart of the method for controlling power supply of a kind of electric equipment provided for the embodiment of the present application, wherein, method for controlling power supply comprises:
The voltage of S1, collection user power supply;
S2, to be in first threshold to Second Threshold when the voltage of user's power supply and to maintain the first Preset Time, then controlling user's power supply and be connected with between electric equipment; Or, when the voltage of user's power supply not to be in first threshold to Second Threshold and to maintain the second Preset Time, then control the separated of user's power supply and electric equipment.
As shown in the above, the voltage of user's power supply can be detected in the electric equipment course of work, and user's power supply overtension or too low time, the connection between disconnect user power supply and electric equipment; And when the voltage of user's power supply is normal; connect between user's power supply and electric equipment; avoid electric equipment at too high or too low operating at voltages, electric equipment is effectively protected, and then avoid the reliability to electric equipment, fail safe and useful life to cause harmful effect.
It should be noted that, first threshold, Second Threshold, the first Preset Time and the second Preset Time are all needed to carry out specific design according to practical application, concrete restriction is not done to this application.
For the connection status controlled between user's power supply and electric equipment, switching device can be set between user's power supply and electric equipment, by unlatching and the disconnection of control switch device, to control the connection status between user's power supply and electric equipment.Wherein, switching device can be arranged on the power line of electric equipment.Wherein, switching device can be relay or contactor.That is, by controlling the relay that is arranged between user's power supply and electric equipment or contactor, to control user's power supply and to be connected between electric equipment or to disconnect.Wherein, relay or contactor can be one pole, namely only control the live wire of user's power supply; Or relay or contactor can be bipolar, namely control zero line and the live wire of user's power supply simultaneously.
In addition, be provided with a large amount of splicing ears and part connection line plate in the control box of electric equipment, in control box, very easily occur electric arc, phenomenon on fire due to the reason such as loose contact, short circuit, if one direct power supply when electric equipment is on fire, then electric arc continues always, can cause larger fire.Further, shown in figure 2, the flow chart of the method for controlling power supply of the another kind of electric equipment provided for the embodiment of the present application, S1, gather user's power supply voltage before, also comprise:
Whether S11, the control box detecting in real time electric equipment be on fire, if on fire, then controls the separated of user's power supply and electric equipment; If not on fire, then gather the voltage of user's power supply, that is, enter step S1.
Concrete, can arrange thermal cut-off in the control box of electric equipment, when the control box of electric equipment is on fire, temperature increases, and when reaching the fusing value of thermal cut-off, thermal cut-off disconnects.And then the thermal cut-off that can be arranged in the control box of electric equipment by detection, whether on fire with the control box detecting electric equipment.Wherein, after the control box of electric equipment is on fire, can connection timely between disconnect user power supply and electric equipment, avoid as electric equipment one direct power supply, avoid larger fire and occur.
Further, in order to the fault type occurred when more intuitive understanding user power supply and electric equipment disconnect, shown in figure 3, the flow chart of the method for controlling power supply of another electric equipment provided for the embodiment of the present application, in step s 2, when the voltage of user's power supply not to be in first threshold to Second Threshold and to maintain the second Preset Time, control user's power supply and electric equipment separated while, also comprise:
Display Fisrt fault code or the second failure code, wherein, Fisrt fault code is failure code when being less than first threshold, and the second failure code is failure code when being greater than Second Threshold.
And, in step s 11, if the control box of electric equipment is on fire, then control user's power supply and electric equipment separated while, also comprise:
Show the 3rd failure code.
Wherein, user, by observing the failure code of display unit display, to get information about the separated reason of user's power supply and electric equipment, not only effectively protects electric equipment, user can also be made to make corresponding process in time.
Accordingly, the embodiment of the present application additionally provides a kind of electric power supply control system of electric equipment, shown in figure 4, and the structural representation of the electric power supply control system of a kind of electric equipment provided for the embodiment of the present application, wherein, electric power supply control system comprises:
Harvester 101, for gathering the voltage of user's power supply 200;
And processor 102, for be in when the voltage of user's power supply 200 in first threshold to Second Threshold and to maintain the first Preset Time, then controls user's power supply and is connected with between electric equipment; Or, when the voltage of user's power supply 200 not to be in first threshold to Second Threshold and to maintain the second Preset Time, then control the separated of user's power supply 200 and electric equipment 300.
In order to ensure when the voltage of user's power supply not to be in first threshold to Second Threshold and to maintain the second Preset Time, control the separated of user's power supply and electric equipment timely, can arrange switching device between user's power supply and electric equipment, switching device can be relay or contactor etc.That is:
Shown in figure 4, electric power system comprises:
Be arranged at the relay between user's power supply 200 and electric equipment 300 or contactor 103, wherein, processor 102 passes through control relay or contactor 103, to control to be connected between user's power supply 200 with electric equipment 300 or to disconnect.
Further, in order to the connection between disconnect user power supply timely when electric equipment is on fire and electric equipment, before the voltage gathering user's power supply, whether the control box of processor also for detecting electric equipment be in real time on fire, if on fire, then control the separated of user's power supply and electric equipment; If not on fire, then gather the voltage of user's power supply.Wherein, thermal cut-off can be set in the control box of electric equipment, whether on fire according to the control box of the condition adjudgement electric equipment of thermal cut-off, that is:
Shown in figure 4, electric power system comprises:
Be arranged at the thermal cut-off 104 in the control box of electric equipment 300, wherein, whether processor 102 is by detecting thermal cut-off 104, on fire with the control box detecting electric equipment 300.
Further, in order to the fault type occurred when more intuitive understanding user power supply and electric equipment disconnect, shown in figure 5, the structural representation of the electric power supply control system of the another kind of electric equipment provided for the embodiment of the present application, wherein, electric power system also comprises:
Display unit 105, during for not to be in when the voltage of user's power supply 200 in first threshold to Second Threshold and to maintain the second Preset Time, control user power supply 200 and electric equipment 300 separated while, display Fisrt fault code or the second failure code, wherein, Fisrt fault code is the voltage of user's power supply 200 failure code when being less than first threshold, and the second failure code is the voltage of user's power supply 200 failure code when being greater than Second Threshold.
And, further, if the control box of display unit 105 also for electric equipment 300 is on fire, then control user power supply 200 and electric equipment 300 separated while, display the 3rd failure code.
Wherein, user, by observing the failure code of display unit display, to get information about the separated reason of user's power supply and electric equipment, not only effectively protects electric equipment, user can also be made to make corresponding process in time.
The method for controlling power supply of a kind of electric equipment that the embodiment of the present application provides and control system thereof, comprising: the voltage gathering user's power supply; To be in first threshold to Second Threshold when the voltage of described user's power supply and to maintain the first Preset Time, then controlling described user's power supply and be connected with between described electric equipment; Or, when the voltage of described user's power supply not to be in described first threshold to Second Threshold and to maintain the second Preset Time, then control the separated of described user's power supply and described electric equipment.As shown in the above, the technical scheme that the embodiment of the present application provides, can detect the voltage of user's power supply in the electric equipment course of work, and user's power supply overtension or too low time, the connection between disconnect user power supply and electric equipment; And when the voltage of user's power supply is normal; connect between user's power supply and electric equipment; avoid electric equipment at too high or too low operating at voltages, electric equipment is effectively protected, and then avoid the reliability to electric equipment, fail safe and useful life to cause harmful effect.
To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field are realized or uses the present invention.To be apparent for those skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein can without departing from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.

Claims (12)

1. a method for controlling power supply for electric equipment, is characterized in that, comprising:
Gather the voltage of user's power supply;
To be in first threshold to Second Threshold when the voltage of described user's power supply and to maintain the first Preset Time, then controlling described user's power supply and be connected with between described electric equipment; Or, when the voltage of described user's power supply not to be in described first threshold to Second Threshold and to maintain the second Preset Time, then control the separated of described user's power supply and described electric equipment.
2. the method for controlling power supply of electric equipment according to claim 1, it is characterized in that, the relay be arranged between described user's power supply and described electric equipment by control or contactor, to control described user's power supply and be connected between described electric equipment or disconnect.
3. the method for controlling power supply of electric equipment according to claim 1, is characterized in that, before the voltage gathering user's power supply, also comprises:
Whether the control box of the described electric equipment of real-time detection is on fire, if on fire, then controls the separated of described user's power supply and described electric equipment; If not on fire, then gather the voltage of described user's power supply.
4. whether the method for controlling power supply of electric equipment according to claim 3, is characterized in that, by detecting the thermal cut-off be arranged in the control box of described electric equipment, on fire with the control box detecting described electric equipment.
5. the method for controlling power supply of electric equipment according to claim 3, it is characterized in that, when the voltage of described user's power supply not to be in described first threshold to Second Threshold and to maintain the second Preset Time, control described user's power supply and described electric equipment separated while, also comprise:
Display Fisrt fault code or the second failure code, wherein, described Fisrt fault code is failure code when being less than described first threshold, and described second failure code is failure code when being greater than described Second Threshold.
6. the method for controlling power supply of electric equipment according to claim 5, is characterized in that, if the control box of described electric equipment is on fire, then control described user's power supply and described electric equipment separated while, also comprise:
Show the 3rd failure code.
7. an electric power supply control system for electric equipment, is characterized in that, comprising:
Harvester, for gathering the voltage of user's power supply;
And processor, for be in when the voltage of described user's power supply in first threshold to Second Threshold and to maintain the first Preset Time, then controls described user's power supply and is connected with between described electric equipment; Or, when the voltage of described user's power supply not to be in described first threshold to Second Threshold and to maintain the second Preset Time, then control the separated of described user's power supply and described electric equipment.
8. the electric power supply control system of electric equipment according to claim 7, is characterized in that, described electric power system comprises:
Be arranged at the relay between described user's power supply and described electric equipment or contactor, wherein, described processor passes through to control described relay or contactor, to control described user's power supply and be connected between described electric equipment or disconnect.
9. the electric power supply control system of electric equipment according to claim 7, it is characterized in that, before the voltage gathering user's power supply, whether the control box of described processor also for detecting described electric equipment be in real time on fire, if on fire, then control the separated of described user's power supply and described electric equipment; If not on fire, then gather the voltage of described user's power supply.
10. the electric power supply control system of electric equipment according to claim 9, is characterized in that, described electric power system comprises:
Be arranged at the thermal cut-off in the control box of described electric equipment, wherein, whether described processor is by detecting described thermal cut-off, on fire with the control box detecting described electric equipment.
The electric power supply control system of 11. electric equipments according to claim 9, is characterized in that, described electric power system also comprises:
Display unit, during for not to be in when the voltage of described user's power supply in described first threshold to Second Threshold and to maintain the second Preset Time, control described user's power supply and described electric equipment separated while, display Fisrt fault code or the second failure code, wherein, described Fisrt fault code is failure code when being less than described first threshold, and described second failure code is failure code when being greater than described Second Threshold.
The electric power supply control system of 12. electric equipments according to claim 11, it is characterized in that, if the control box of described display unit also for described electric equipment is on fire, then control described user's power supply and described electric equipment separated while, display the 3rd failure code.
CN201510697275.XA 2015-10-21 2015-10-21 Electrical equipment power supply control method and control system thereof Pending CN105140926A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201510697275.XA CN105140926A (en) 2015-10-21 2015-10-21 Electrical equipment power supply control method and control system thereof

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Application Number Priority Date Filing Date Title
CN201510697275.XA CN105140926A (en) 2015-10-21 2015-10-21 Electrical equipment power supply control method and control system thereof

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Publication number Priority date Publication date Assignee Title
CN106570519A (en) * 2016-10-14 2017-04-19 杭州鸿雁智能科技有限公司 System and method for realizing power differential output by means of object identification technology

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CN204464974U (en) * 2015-02-09 2015-07-08 安徽长龙电气集团有限公司 A kind of power distribution cabinet low-voltage circuit
CN204578056U (en) * 2015-03-17 2015-08-19 合肥美的洗衣机有限公司 The protective device of load in washing machine and washing machine

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Publication number Priority date Publication date Assignee Title
CN102916388A (en) * 2011-08-04 2013-02-06 电子系统保护有限公司 Supply voltage monitor
CN103378577A (en) * 2012-04-24 2013-10-30 珠海格力电器股份有限公司 Power supply control device of household appliance and air conditioner
WO2014030121A1 (en) * 2012-08-21 2014-02-27 Indesit Company S.P.A. Electrical household appliance system
CN103809480A (en) * 2012-11-07 2014-05-21 哈尔滨维尔士科技发展有限公司 Family power supply monitoring device
CN204464974U (en) * 2015-02-09 2015-07-08 安徽长龙电气集团有限公司 A kind of power distribution cabinet low-voltage circuit
CN204578056U (en) * 2015-03-17 2015-08-19 合肥美的洗衣机有限公司 The protective device of load in washing machine and washing machine

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106570519A (en) * 2016-10-14 2017-04-19 杭州鸿雁智能科技有限公司 System and method for realizing power differential output by means of object identification technology

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Application publication date: 20151209