CN202405878U - Digital low-voltage power distribution cabinet - Google Patents

Digital low-voltage power distribution cabinet Download PDF

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Publication number
CN202405878U
CN202405878U CN2011205709656U CN201120570965U CN202405878U CN 202405878 U CN202405878 U CN 202405878U CN 2011205709656 U CN2011205709656 U CN 2011205709656U CN 201120570965 U CN201120570965 U CN 201120570965U CN 202405878 U CN202405878 U CN 202405878U
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CN
China
Prior art keywords
module
power distribution
voltage
signal
current
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Expired - Fee Related
Application number
CN2011205709656U
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Chinese (zh)
Inventor
李立新
陈麒麟
黄上坚
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GUANGZHOU YAHU POWER Co Ltd
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GUANGZHOU YAHU POWER Co Ltd
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Priority to CN2011205709656U priority Critical patent/CN202405878U/en
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Publication of CN202405878U publication Critical patent/CN202405878U/en
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    • 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
    • Y02B90/00Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02B90/20Smart grids as enabling technology in buildings sector
    • 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
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • 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
    • Y04S40/00Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
    • Y04S40/12Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment
    • Y04S40/126Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment using wireless data transmission

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  • Remote Monitoring And Control Of Power-Distribution Networks (AREA)

Abstract

The utility model relates to a digital low-voltage power distribution cabinet for controlling output current or voltage to supply power to a load. The digital low-voltage power distribution cabinet comprises an electric power distributing module, a powerless compensation module, a temperature control module, a monitoring measuring control module, a wireless transmission module and a remote control terminal; an input end of the monitoring measuring control module is respectively connected with the electric power distributing module, the powerless compensation module and the temperature control module; an output end of the monitoring measuring control module is connected with the remote control terminal through the wireless transmission module, thereby realizing signal digitalization; the electric power distributing module comprises a voltage collecting module, a current collecting module and a current cutting module; the voltage collecting module and the current collecting module are respectively used for detecting an output current and an output voltage and feeding back to the remote control terminal; and the remote control terminal is used for analyzing the output current and the output voltage and sending a first control signal for cutting off the power supply of the load by the current cutting module. The digital low-voltage power distribution cabinet can form digital communication with an operator and is convenient and high-speed.

Description

A kind of digitalized low-voltage power distribution cabinet
Technical field
The utility model relates to a kind of power distribution cabinet, is specifically related to a kind of digitalized low-voltage power distribution cabinet.
Background technology
Low-voltage distribution cabinet directly is an electric; Relate to many detections in the power distribution cabinet and export to modules such as the electric current of load, voltage; Also relate to some other control module; These modules need in good time the signal monitoring of exporting to load and make handled, otherwise possibly cause tremendous influence to load, how to guarantee that therefore the situation that operating personnel can in time grasp power distribution cabinet rapidly also makes a response most important rapidly.
Summary of the invention
The utility model to propose a kind of digitalized low-voltage power distribution cabinet and to realize the digitized signal transmission between power distribution cabinet and the operating personnel in order realizing, so that operating personnel in time grasp the power distribution cabinet situation and make a response rapidly.
The utility model digitalized low-voltage power distribution cabinet comprises: power distribution module, reactive compensation module, temperature control module, monitoring measure control module, wireless transport module and remote control terminal;
Said monitoring measure control module is connected with power distribution module, reactive compensation module, temperature control module respectively, and is connected with remote control terminal through wireless transport module, realizes signal digitalized;
Said power distribution module comprises: voltage acquisition module, current acquisition module and failure of current module; Said voltage acquisition module and current acquisition module detect output current, output voltage respectively and feed back to remote control terminal through the monitoring and metering control module, and remote control terminal is analyzed output current and output voltage and also sent first control signal is cut to load through the failure of current module power supply.
Further; The power distribution module also comprises the detection of electrical leakage module described in the utility model digitalized low-voltage power distribution cabinet; Said detection of electrical leakage module is used to detect leakage current and feeds back to remote control terminal, and remote control terminal sends second control signal and cuts off the energising circuit through the failure of current module.
Further, voltage acquisition module comprises described in the utility model digitalized low-voltage power distribution cabinet:
Voltage transformer is used to gather output voltage and step-down;
Diode is used for output signal after the voltage transformer step-down is carried out rectification;
Electric capacity is used for the signal filtering behind the diode rectification;
Resistance is used for filtered signal is carried out exporting to the monitoring and metering control module after the current limliting.
Further, the monitoring and metering control module comprises described in the utility model digitalized low-voltage power distribution cabinet:
Receiving element is used to receive the signal of power distribution module, reactive compensation module, temperature control module feedback, remote control terminal;
Converting unit is used for the signal that receiving element receives is changed;
Output unit is used to export converting unit conversion back signal and gives power distribution module, reactive compensation module, temperature control module, remote control terminal.
Further, remote control terminal comprises described in the utility model digitalized low-voltage power distribution cabinet:
Receiving element is used to receive the signal that wireless transmission unit transmits;
Storage element is used to store the signal that receiving element receives;
Control unit is used for analyzing the reception signal and sending control signal;
Transmitter unit is used for the control signal that emission controlling unit is exported.
Further, reactive compensation module described in the utility model digitalized low-voltage power distribution cabinet is made up of buffer resistance some intelligent integrated power capacitors of connecting.
In the utility model digitalized low-voltage power distribution cabinet with the monitoring and metering control module as terminal, make remote control terminal can control output voltage or electric current in real time, and make correspondingly accordingly, control convenient, quick.
Description of drawings
Fig. 1 the utility model digitalized low-voltage power distribution cabinet embodiment controls block diagram.
Power distribution module controls block diagram among Fig. 2 the utility model digitalized low-voltage power distribution cabinet embodiment.
Another control block diagram of power distribution module among Fig. 3 the utility model digitalized low-voltage power distribution cabinet embodiment.
Another embodiment of Fig. 4 the utility model digitalized low-voltage power distribution cabinet controls block diagram.
Embodiment
Be elaborated below in conjunction with the embodiment of accompanying drawing to the utility model.Should be understood that embodiment described herein only is used for explanation and explains the utility model, is not limited to the utility model.
Illustrated in figures 1 and 2 is the utility model digitalized low-voltage power distribution cabinet embodiment; As can be seen from the figure, this low-voltage distribution cabinet comprises: power distribution module 6, reactive compensation module 5, temperature control module 4, monitoring measure control module 3, wireless transport module 2 and remote control terminal 1; Said monitoring measure control module 3 is connected 4 respectively and connects with power distribution module 6, reactive compensation module 5, temperature control module, and is connected 1 through wireless transport module 2 with remote control terminal, realizes signal digitalized; As shown in Figure 2; Power distribution module 2 comprises: voltage acquisition module 7, current acquisition module 8 and failure of current module 9; Said voltage acquisition module 7 detects output current, output voltage respectively and feeds back to remote control terminal 1 with current acquisition module 8, and remote control terminal 1 is analyzed output current and output voltage and sent first control signal and is cut to the power supply of load through failure of current module 9, when output voltage and/or output current under normal circumstances; Remote control terminal is not made response; Have only when output voltage and/or output current are unusual, just export first control signal and be cut to electric, be meant that unusually overtension is can be to load unfavorable etc.; As shown in Figure 2, the signal transmission between the internal module of remote control terminal 1 and power distribution module 6 is that to do 3 with the monitoring and metering control module be that terminal transmits.
Said voltage acquisition module 7 specifically comprises: voltage transformer, and be used to gather output voltage and reduce output voltage, voltage transformer is a miniature transformer; Diode is used for the output signal after reducing is carried out rectification; Electric capacity is used for signal after the rectification is carried out filtering; Resistance is used for filtered signal is carried out exporting to the monitoring and metering control module after the current limliting.
As shown in Figure 3; Also comprise detection of electrical leakage module 10 in the said power distribution module 6; Whether the detection of electrical leakage module is specially zero sequence current mutual inductor, detect on the outlet line to leak electricity, if there is electric leakage signal to be transferred to remote control terminal 1; Remote control terminal will send second control signal through failure of current module 9 disconnection transmission lines, with protection against electric shock so.
As shown in Figure 4, said monitoring and metering control module comprises: receiving element 12, be used to receive the signal that power distribution module 6, reactive compensation module 5, temperature control module 4 and remote control terminal feed back, and receiving element has memory function simultaneously;
Converting unit 13 is used for the signal that receiving element receives is changed, and converting unit 13 is specially the transducer that can carry out numeral and the mutual conversion of simulation.
Output unit 11 is used for the corresponding signal in converting unit 13 conversion backs to remote control terminal, power distribution module, reactive compensation module and temperature control module transmission.
As shown in Figure 4, said remote control terminal comprises: receiving element 17, be used to receive the signal that wireless transmission unit transmits, and receiving element is specially wireless receiver, and bluetooth etc. is specifically arranged; Storage element 16 is used to store the signal that receiving element 17 receives, and storage element is specially the storage hard disk; Control unit is used for analyzing the reception signal and sending control signal, and control unit can be judged signal and make corresponding response just as a CPU; Transmitter unit 14 is used for the control signal to the output of monitoring and metering terminal 3 emission controlling unit.
Said wireless transmission unit 2 can be the GPRS communication, when close together, transmits through bluetooth.
Said reactive compensation module 5 is made up of buffer resistance some intelligent integrated power capacitors of connecting; Parallelly connected with load, buffer resistance is used to cushion big electric current, and intelligent integrated power capacitor adds that by the switch of many gears and a plurality of electric capacity intelligent controller forms usually; The signal that intelligent controller can come according to the remote control terminal transmission; Through the connected mode of many driving switch conversion electric capacity, change the size of whole capacitor value, make it to be complementary with power output.
More than combine accompanying drawing to describe the preferred implementation of the utility model in detail; But; The utility model is not limited to the detail in the above-mentioned execution mode; In the technical conceive scope of the utility model, can carry out multiple simple variant to the technical scheme of the utility model, these simple variant all belong to the protection range of the utility model.
Need to prove in addition; Each concrete technical characterictic described in above-mentioned embodiment under reconcilable situation, can make up through any suitable manner; For fear of unnecessary repetition, the utility model is to the explanation no longer separately of various possible compound modes.In addition, also can carry out combination in any between the various execution mode of the utility model, as long as its thought without prejudice to the utility model, it should be regarded as content disclosed in the utility model equally.

Claims (6)

1. digitalized low-voltage power distribution cabinet, control output current or voltage are electric, it is characterized in that, comprising: power distribution module, reactive compensation module, temperature control module, monitoring measure control module, wireless transport module and remote control terminal;
Said monitoring measure control module is connected with power distribution module, reactive compensation module, temperature control module respectively, and is connected with remote control terminal through wireless transport module, realizes signal digitalized;
Said power distribution module comprises: voltage acquisition module, current acquisition module and failure of current module; Said voltage acquisition module and current acquisition module detect output current, output voltage respectively and feed back to remote control terminal through the monitoring and metering control module, and remote control terminal is analyzed output current and output voltage and also sent first control signal is cut to load through the failure of current module power supply.
2. digitalized low-voltage power distribution cabinet according to claim 1; It is characterized in that; Said power distribution module also comprises the detection of electrical leakage module; Said detection of electrical leakage module is used to detect leakage current and feeds back to remote control terminal, and remote control terminal sends second control signal and cuts off the energising circuit through the failure of current module.
3. digitalized low-voltage power distribution cabinet according to claim 1 is characterized in that, said voltage acquisition module comprises:
Voltage transformer is used to gather output voltage and step-down;
Diode is used for output signal after the voltage transformer step-down is carried out rectification;
Electric capacity is used for the signal filtering behind the diode rectification;
Resistance is used for filtered signal is carried out exporting to the monitoring and metering control module after the current limliting.
4. digitalized low-voltage power distribution cabinet according to claim 1 is characterized in that, said monitoring and metering control module comprises:
Receiving element is used to receive the signal of power distribution module, reactive compensation module, temperature control module feedback, remote control terminal;
Converting unit is used for the signal that receiving element receives is changed;
Output unit is used to export converting unit conversion back signal and gives power distribution module, reactive compensation module, temperature control module or remote control terminal.
5. digitalized low-voltage power distribution cabinet according to claim 1 is characterized in that, said remote control terminal comprises:
Receiving element is used to receive the signal that wireless transmission unit transmits;
Storage element is used to store the signal that receiving element receives;
Control unit is used for analyzing the reception signal and sending control signal;
Transmitter unit is used for the control signal that emission controlling unit is exported.
6. digitalized low-voltage power distribution cabinet according to claim 1 is characterized in that, said reactive compensation module is made up of buffer resistance some intelligent integrated power capacitors of connecting.
CN2011205709656U 2011-12-31 2011-12-31 Digital low-voltage power distribution cabinet Expired - Fee Related CN202405878U (en)

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Application Number Priority Date Filing Date Title
CN2011205709656U CN202405878U (en) 2011-12-31 2011-12-31 Digital low-voltage power distribution cabinet

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2011205709656U CN202405878U (en) 2011-12-31 2011-12-31 Digital low-voltage power distribution cabinet

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Publication Number Publication Date
CN202405878U true CN202405878U (en) 2012-08-29

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103973267A (en) * 2013-01-25 2014-08-06 飞思卡尔半导体公司 Electronic device with power mode control buffers
CN104242073A (en) * 2014-10-08 2014-12-24 四川合创电器有限责任公司 Remote-control distribution box
CN105119302A (en) * 2015-09-16 2015-12-02 国网天津市电力公司 Remote intelligent capacitor management system
CN105610177A (en) * 2016-03-08 2016-05-25 宁波高新区鼎诺电气有限公司 Wireless intelligent compensation monitoring device, electric reactor, capacitor and system thereof
CN110161290A (en) * 2019-07-05 2019-08-23 广东南一华电气有限公司 A kind of Multifunctional electric meter case

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103973267A (en) * 2013-01-25 2014-08-06 飞思卡尔半导体公司 Electronic device with power mode control buffers
CN103973267B (en) * 2013-01-25 2018-04-10 恩智浦美国有限公司 Electronic device with electric source modes control buffer
CN104242073A (en) * 2014-10-08 2014-12-24 四川合创电器有限责任公司 Remote-control distribution box
CN105119302A (en) * 2015-09-16 2015-12-02 国网天津市电力公司 Remote intelligent capacitor management system
CN105610177A (en) * 2016-03-08 2016-05-25 宁波高新区鼎诺电气有限公司 Wireless intelligent compensation monitoring device, electric reactor, capacitor and system thereof
CN105610177B (en) * 2016-03-08 2018-06-22 宁波高新区鼎诺电气有限公司 A kind of intelligent wireless compensation monitoring device, reactor, capacitor and its system
CN110161290A (en) * 2019-07-05 2019-08-23 广东南一华电气有限公司 A kind of Multifunctional electric meter case

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C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20120829

Termination date: 20171231