CN201674281U - Electrical leakage protector with wireless communication function - Google Patents

Electrical leakage protector with wireless communication function Download PDF

Info

Publication number
CN201674281U
CN201674281U CN2010201834934U CN201020183493U CN201674281U CN 201674281 U CN201674281 U CN 201674281U CN 2010201834934 U CN2010201834934 U CN 2010201834934U CN 201020183493 U CN201020183493 U CN 201020183493U CN 201674281 U CN201674281 U CN 201674281U
Authority
CN
China
Prior art keywords
wireless communication
module
controlling unit
chip controlling
communication function
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.)
Expired - Fee Related
Application number
CN2010201834934U
Other languages
Chinese (zh)
Inventor
金农
贾明光
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.)
ZHEJIANG JIUTIAN POWER TECHNOLOGY CO., LTD.
Original Assignee
HUZHOU JIUTIAN ELECTRIC POWER TECHNOLOGY 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 HUZHOU JIUTIAN ELECTRIC POWER TECHNOLOGY Co Ltd filed Critical HUZHOU JIUTIAN ELECTRIC POWER TECHNOLOGY Co Ltd
Priority to CN2010201834934U priority Critical patent/CN201674281U/en
Application granted granted Critical
Publication of CN201674281U publication Critical patent/CN201674281U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

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
    • 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
    • Y02E60/7853
    • 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

Abstract

The utility model discloses an electrical leakage protector with a wireless communication function, which comprises a single chip microcomputer control unit. An input end of the single chip microcomputer control unit is connected with a leaked current detection module and a three-phase current-voltage detection module, an output end of the single chip microcomputer control unit is connected with a circuit breaker control module and an output display module, and an I/O port of the single chip microcomputer control unit is connected with a wireless communication module which is an integrated data transmission module adopting wireless transmission means. The electrical leakage protector in the technical scheme realizes wireless communication with a PC computer or a power grid data server through the wireless communication module, accordingly realizes monitoring condition of a low voltage power grid for a power division to scientifically manage operation of the protector, in particular to condition of residual current.

Description

A kind of earth leakage protective device with wireless communication function
Technical field
The utility model relates to a kind of electric protection device, relates in particular to a kind of earth leakage protective device with wireless communication function.
Background technology
Earth leakage protective device is a kind of important equipment of low voltage electric network, for preventing that fire, device damage, human casualty accident because of electric leakage causes from playing an important role.Low voltage electric network has generally been installed earth leakage protective device at present; but the management of earth leakage protective device is a thing that bothers very much; need the special messenger of power supply school periodical inspection; and; present earth leakage protective device only provides basic protection, substantially all is that the unit mode is worked, and can't judge line conditions for power supply department provides data; the problem that have function singleness, can't network, power supply department also can't effectively be monitored it.Therefore, the earth leakage protective device of electrical network can't satisfy situation particularly residual current situation monitor, to earth leakage protective device operation carry out scientific management the needs of power department to low voltage electric network at present.
Summary of the invention
In order to solve above-mentioned technical problem; the purpose of this utility model provides a kind of earth leakage protective device with wireless communication function; realize the wireless telecommunications of earth leakage protective device and PC or electric network data server by wireless communication module, thus realize power department to the situation of low voltage electric network particularly the residual current situation monitor, earth leakage protective device moved carry out scientific management.
To achieve the above object, the utility model has adopted following technical scheme:
A kind of earth leakage protective device with wireless communication function; comprise the Single-chip Controlling unit; the input of Single-chip Controlling unit is connected with leakage current detection module and three-phase voltage, current detection module; the output of Single-chip Controlling unit is connected with circuit breaker control module and output display module; the I/O port of described Single-chip Controlling unit is connected with wireless communication module, and described wireless communication module is for adopting the integrated data transmission module of wireless transmission method.
As preferably, described wireless communication module is GSM/GPRS data transmission module or CDMA data transmission module.
As preferably, described wireless communication module is connected with the Single-chip Controlling unit by photoelectrical coupler.
Described Single-chip Controlling unit is connected with the divide-shut brake detection module.
The utility model is owing to adopted above technical scheme; adopt wireless communication modules such as GSM/GPRS data transmission module or CDMA data transmission module to realize the wireless telecommunications of earth leakage protective device and PC or electric network data server; thereby realize power department to the situation of low voltage electric network particularly the residual current situation monitor, to earth leakage protective device operation carrying out scientific management, reduce the cost of arranging net, convenient networking.
Description of drawings
Fig. 1 is a structured flowchart of the present utility model;
Embodiment
Below in conjunction with accompanying drawing embodiment of the present utility model is made a detailed explanation.
Embodiment 1:
A kind of earth leakage protective device as shown in Figure 1 with wireless communication function; comprise the Single-chip Controlling unit; the input of Single-chip Controlling unit is connected with leakage current detection module and three-phase voltage, current detection module; the output of Single-chip Controlling unit is connected with circuit breaker control module and output display module; the I/O port of described Single-chip Controlling unit is connected with wireless communication module, and described wireless communication module is for adopting the integrated data transmission module of wireless transmission method.
In the present embodiment, the leakage current detection module will obtain leakage current by the two stage amplifer electric circuit inspection from the electric current of zero-sequence transformer collection, and first order discharge circuit is realized the full-wave rectification of leakage current, and second level discharge circuit detects the peak value of rectification after-current.The Single-chip Controlling unit is according to the size of the mean value calculation circuit breaker leakage current of the peak value of repeatedly sampling.Three-phase voltage, current detection module adopt chip ATT7026A to detect.ATT7026A is the special-purpose computation chip of a high accuracy three-phase electric energy, is applicable to phase three-wire three and three-phase and four-line, can accurately measure the effective value of each phase voltage, electric current.The Single-chip Controlling unit can read each phase voltage, current value easily by the SPI interface of ATT7026A.What described wireless communication module adopted is the GSM/GPRS data transmission module; utilize the GSM/GPRS data transmission module can realize the wireless telecommunications of earth leakage protective device and PC etc.; the instant information of transmitting earth leakage protective device; GSM/GPRS data transmission module and Single-chip Controlling unit are by photoelectric coupler isolation, with the protection single-chip microcomputer.The circuit breaker control module finally realizes the control of circuit breaker, is made up of three relays, realizes circuit-breaker-motor control, tripping operation control and tripping operation communication respectively by three relays.When single-chip microcomputer detects leakage current, at 100mS inner control tripping relay, make circuit breaker trip, and control tripping operation communication relay, send the tripping operation notice.After fault was got rid of, Single-chip Controlling Electric Machine Control relay made breaker closing.Described Single-chip Controlling unit also is connected with the divide-shut brake detection module, and the divide-shut brake detection module is used to detect current circuit-breaker status, and promptly circuit breaker is in separating brake or "on" position, for the control of circuit breaker is submitted necessary information.The output display module is meant external 5 charactrons in Single-chip Controlling unit and 13 LED light: 5 charactrons can show each electric current, voltage mutually, leakage current, and failure cause etc., 13 LED light can be indicated various faults and associative operation; And external 6 buttons, these 6 buttons are respectively the debugging key, key, deciliter key, left button, right button and TEST key are set, and can realize debugging and operations such as protector, inquiry stored information are set by these 6 buttons.Supply module is the extremely important part of system, and present embodiment adopts two switching power source chips to constitute the two-way power supply, and wherein one road power supply is the wireless communication line power supply specially.

Claims (4)

1. earth leakage protective device with wireless communication function; comprise the Single-chip Controlling unit; the input of Single-chip Controlling unit is connected with leakage current detection module and three-phase voltage, current detection module; the output of Single-chip Controlling unit is connected with circuit breaker control module and output display module; it is characterized in that; the I/O port of described Single-chip Controlling unit is connected with wireless communication module, and described wireless communication module is for adopting the integrated data transmission module of wireless transmission method.
2. a kind of earth leakage protective device with wireless communication function according to claim 1 is characterized in that, described wireless communication module is GSM/GPRS data transmission module or CDMA data transmission module.
3. a kind of earth leakage protective device with wireless communication function according to claim 2 is characterized in that described wireless communication module is connected with the Single-chip Controlling unit by photoelectrical coupler.
4. according to claim 1 or 2 or 3 described a kind of earth leakage protective devices, it is characterized in that described Single-chip Controlling unit is connected with the divide-shut brake detection module with wireless communication function.
CN2010201834934U 2010-05-10 2010-05-10 Electrical leakage protector with wireless communication function Expired - Fee Related CN201674281U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2010201834934U CN201674281U (en) 2010-05-10 2010-05-10 Electrical leakage protector with wireless communication function

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2010201834934U CN201674281U (en) 2010-05-10 2010-05-10 Electrical leakage protector with wireless communication function

Publications (1)

Publication Number Publication Date
CN201674281U true CN201674281U (en) 2010-12-15

Family

ID=43331689

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2010201834934U Expired - Fee Related CN201674281U (en) 2010-05-10 2010-05-10 Electrical leakage protector with wireless communication function

Country Status (1)

Country Link
CN (1) CN201674281U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103077583A (en) * 2011-10-25 2013-05-01 成都玺汇科技有限公司 Novel monitoring and early warning system for disaster
CN103595129A (en) * 2013-11-06 2014-02-19 国家电网公司 Intelligent patrol inspection system for leakage protectors of power distribution network

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103077583A (en) * 2011-10-25 2013-05-01 成都玺汇科技有限公司 Novel monitoring and early warning system for disaster
CN103595129A (en) * 2013-11-06 2014-02-19 国家电网公司 Intelligent patrol inspection system for leakage protectors of power distribution network
CN103595129B (en) * 2013-11-06 2016-04-20 国家电网公司 Power distribution network earth leakage protective device intelligent inspection system

Similar Documents

Publication Publication Date Title
CN103414155A (en) Neutral point installation electronic type rapid harmonic-vibration eliminating device
CN203135421U (en) Arc light protecting system
CN108011348A (en) Low-voltage intelligent distribution Control protection system and its control guard method
CN106099866B (en) Circuit breaker operation mechanism protective device with short message sending function
CN105301491A (en) State monitoring circuit for breaker with auxiliary contacts
CN201674281U (en) Electrical leakage protector with wireless communication function
CN103427394A (en) Mining flame-proof type selective leakage protector
CN203465391U (en) High-voltage thyristor fault detection device without optical fiber isolation
CN102709901B (en) Current transformer over-voltage protection method and device
CN201674280U (en) Earth leakage protective device having remote communication function
CN103532092A (en) Novel electric leakage protector
CN201860172U (en) Automatic looped network type distribution network based on reclosers
CN201616596U (en) Single-phase intelligent type alternating-current distribution box
CN102237714A (en) Multipath residual current monitoring/protecting device with wireless or carrier transmission module
CN201477173U (en) Automatic detection module for power supply earth line failure
CN205484714U (en) Circuit is listened to killer switch state
CN201378730Y (en) Power circuit breaker protective circuit
CN203445594U (en) Novel explosion-proof type low-voltage selective electric leakage protector used for mining
CN102867712A (en) Breaker for solar cell component string and protecting method
CN201917627U (en) Portable direct-current grounding fault searching instrument
CN204928356U (en) Automatic change -over of no electric arc fast switch over
CN204855685U (en) Intelligent substation secondary equipment trouble record wave system all
CN103762557A (en) Device and method for open-circuit-resistant protection of current transformer
CN204706525U (en) A kind of hydraulic-electromagnetic residual current circuit breaker
CN203553899U (en) Neutral point-mounted electronic-type fast resonance elimination device

Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
C56 Change in the name or address of the patentee

Owner name: ZHEJIANG JIUTIAN ELECTRIC POWER TECHNOLOGY CO., LT

Free format text: FORMER NAME: HANGZHOU JIUTIAN ELECTRICAL POWER TECHNOLOGY CO., LTD.

CP03 "change of name, title or address"

Address after: 313300 Sunshine Industrial Zone, Anji County, Huzhou, Zhejiang

Patentee after: ZHEJIANG JIUTIAN POWER TECHNOLOGY CO., LTD.

Address before: 313300 Anji science and Technology Pioneer Park, Yangguang Industrial Park, Anji County, Zhejiang Province

Patentee before: Huzhou Jiutian Electric Power Technology Co., Ltd.

EXPY Termination of patent right or utility model
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20101215

Termination date: 20150510