CN107132446A - A kind of fault detector of high reliability, high precision - Google Patents

A kind of fault detector of high reliability, high precision Download PDF

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Publication number
CN107132446A
CN107132446A CN201710495434.7A CN201710495434A CN107132446A CN 107132446 A CN107132446 A CN 107132446A CN 201710495434 A CN201710495434 A CN 201710495434A CN 107132446 A CN107132446 A CN 107132446A
Authority
CN
China
Prior art keywords
fault detector
high precision
high reliability
sensor
spring
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
CN201710495434.7A
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Chinese (zh)
Inventor
沈桂平
奚增先
范成亚
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.)
Ningbo Gong Cheng Electric Applicance Co Ltd
Original Assignee
Ningbo Gong Cheng Electric Applicance 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 Ningbo Gong Cheng Electric Applicance Co Ltd filed Critical Ningbo Gong Cheng Electric Applicance Co Ltd
Priority to CN201710495434.7A priority Critical patent/CN107132446A/en
Publication of CN107132446A publication Critical patent/CN107132446A/en
Pending legal-status Critical Current

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Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/50Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/08Locating faults in cables, transmission lines, or networks

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
  • Locating Faults (AREA)

Abstract

Disclosure of the invention a kind of high reliability, the fault detector of high precision, including sensing part and host machine part;Described sensing part includes short trouble sensor and ground fault sensor;Two flop mechanisms that cord grip, the housing bottom that host machine part, which includes the motion block that processing module and the GPRS transmitter modules, the cushion block that case top is set, the case top of cushion block both sides that housing, enclosure interior set set, the first spring set on the outside of motion block, cushion block both sides are arranged on by second spring extends internally are set, by rotating shaft installed in housing side solar panels.A kind of high reliability of the present invention, the fault detector of high precision, fault detector possesses short trouble alarm, simultaneously indicated with board turning, display function of glistening, maintainer can quickly find trouble point according to police instruction, drastically increase operating efficiency, shorten power off time, be effectively improved the reliability of power supply.

Description

A kind of fault detector of high reliability, high precision
Technical field
The present invention relates to a kind of fault detector, and in particular to a kind of high reliability, the fault detector of high precision.
Background technology
Germany originating from the 1980s, the purpose for inventing it is to indicate power line short-circuit electric current stream The approach crossed, help people to find trouble point, and China introduces since the nineties grinds with learning overseas short circuit indicator Technology processed, into twentieth century, people begin to focus on the signal teletransmission problem of short circuit indicator.Current line-failure indicator There is sensitivity not high, false tripping rate is higher, energy storage has difficult point with reset, the shortcomings of checking needs artificial line walking.Power distribution network is single-phase Earth fault accounts for distribution network failure ratio and is up to 70%, and the practical application effect of prior art is not satisfactory, needs integration badly Solution improves the reliability and accuracy of line selection and location conscientiously, so that the security of distribution network operation is lifted, current state's net Company payes attention to this working depth.
The content of the invention
In order to solve the above problems, disclosure of the invention a kind of high reliability, the fault detector of high precision.
The technical scheme is that:The fault detector of a kind of high reliability, high precision, including sensing part and master Machine part;Described sensing part includes short trouble sensor and ground fault sensor;Host machine part includes housing, housing What the processing module that inside is set and the case top of GPRS transmitter modules, the cushion block that case top is set, cushion block both sides were set The first spring set on the outside of motion block, motion block, the cord grip, the housing that are extended internally by second spring installed in cushion block both sides Bottom set two flop mechanisms, by rotating shaft be arranged on housing side solar panels;Described short trouble sensor It is connected to and collects on unit;Described ground fault sensor, which is connected to, to be collected on unit;Collect unit and dress is conveyed by signal Put and be connected with O&M terminal and monitoring substation;Described O&M terminal and monitoring substation is connected connects outer by signal transfer means Apply signal generation apparatus;Described outer signal generation apparatus of applying includes some groups of first line groups being connected on three-phase bus; Three lines of described three-phase bus are connected on main transformer device;Described first line group front end is provided with switch, in circuit group Some fault detectors, circuit group middle part are provided with to be parallel with three and be provided with the second circuit group of fault detector, First Line Outer construction frequency signal generation apparatus is also parallel with the group of road;A line-to-ground in the second described circuit group.
Further, described short trouble sensor is separately mounted in built on stilts collecting unit and cable collecting unit.
Further, described ground fault sensor is separately mounted in built on stilts collecting unit and cable collecting unit.
Further, described cord grip end is provided with the slipmat of quality of rubber materials.
Further, the first described spring is arc torsion spring.
Further, described host machine part carries flash lamp.
Further, described second spring one end carries circular mounting hole.
Beneficial effect
A kind of high reliability of the present invention, the fault detector of high precision, fault detector possess short trouble alarm, Indicated simultaneously with board turning, display function of glistening, maintainer can quickly find trouble point according to police instruction, be greatly enhanced Operating efficiency, shortens power off time, is effectively improved the reliability of power supply.
Brief description of the drawings
Fig. 1 is system block diagram of the invention.
Fig. 2 is the structural representation of fault detector collecting unit.
In figure, 1- cushion blocks, 2- motion blocks, the springs of 3- first, 4- second springs, 5- cord grips, 6- flop mechanisms, 7- shells Body, 8- solar panels.
Embodiment
A kind of high reliability below in conjunction with the accompanying drawings to the present invention, the fault detector of high precision elaborate.
As depicted in figs. 1 and 2, a kind of high reliability, the fault detector of high precision, including sensing part and main frame portion Point;Described sensing part includes short trouble sensor and ground fault sensor;Host machine part is including in housing 7, housing 7 The processing module that portion is set and the top of housing 7 of GPRS transmitter modules, the cushion block 1 that the top of housing 7 is set, the both sides of cushion block 1 are set Motion block 2, the outside of motion block 2 set the first spring 3, be arranged on by second spring 4 line ball that the both sides of cushion block 1 extend internally and fill Put two flop mechanisms 6 of the bottom of 5, housing 7 setting, the solar panels 8 of the side of housing 7 are arranged on by rotating shaft;Described is short Road fault sensor, which is connected to, to be collected on unit;Described ground fault sensor, which is connected to, to be collected on unit;Collect unit to lead to Signal transfer means are crossed with O&M terminal and monitoring substation to be connected;Described O&M terminal and monitoring substation is connected defeated by signal Send device connection is outer to apply signal generation apparatus;Described outer signal generation apparatus of applying is connected on three-phase bus including some groups First line group;Three lines of described three-phase bus are connected on main transformer device;Described first line group front end is provided with out Some fault detectors, circuit group middle part are provided with pass, circuit group and are parallel with three the second lines for being provided with fault detector Outer construction frequency signal generation apparatus is also parallel with road group, first line group;A circuit in the second described circuit group connects Ground;Described short trouble sensor is separately mounted to built on stilts collecting unit and passed with the earth fault described in cable collecting unit Sensor is separately mounted to built on stilts collecting unit and the end of cord grip 5 described in cable collecting unit is provided with quality of rubber materials The first spring 3 described in slipmat is the host machine part described in arc torsion spring with one end band of second spring 4 described in flash lamp There is circular mounting hole.
The above described is only a preferred embodiment of the present invention, any formal limitation not is made to the present invention, though So the present invention is disclosed above with preferred embodiment, but is not limited to the present invention, any to be familiar with this professional technology people Member, without departing from the scope of the present invention, when the technology contents using the disclosure above make a little change or modification For the equivalent embodiment of equivalent variations, as long as being the content without departing from technical solution of the present invention, the technical spirit according to the present invention Any simple modification, equivalent variations and the modification made to above example, in the range of still falling within technical solution of the present invention.

Claims (7)

1. the fault detector of a kind of high reliability, high precision, it is characterised in that:Including sensing part and host machine part;Institute The sensing part stated includes short trouble sensor and ground fault sensor;Host machine part includes housing, enclosure interior and set Processing module and GPRS transmitter modules, the cushion block that case top is set, the case top of cushion block the both sides motion block, the motion block that set The first spring, the cord grip extended internally by second spring installed in cushion block both sides, the housing bottom of outside setting are set Two flop mechanisms, by rotating shaft be arranged on housing side solar panels;Described short trouble sensor is connected to remittance Collect on unit;Described ground fault sensor, which is connected to, to be collected on unit;Collect unit and pass through signal transfer means and O&M Terminal and monitoring substation are connected;Described O&M terminal and monitoring substation is connected to be sent out by the outer signal of applying of signal transfer means connection Generating apparatus;Described outer signal generation apparatus of applying includes some groups of first line groups being connected on three-phase bus;Described three Three lines of phase bus are connected on main transformer device;If described first line group front end is provided with switch, is provided with circuit group Dry fault detector, be parallel with the middle part of circuit group three be provided with the second circuit group of fault detector, in first line group also It is parallel with outer construction frequency signal generation apparatus;A line-to-ground in the second described circuit group.
2. a kind of high reliability according to claim 1, the fault detector of high precision, it is characterised in that:Described Short trouble sensor is separately mounted in built on stilts collecting unit and cable collecting unit.
3. a kind of high reliability according to claim 1, the fault detector of high precision, it is characterised in that:Described Ground fault sensor is separately mounted in built on stilts collecting unit and cable collecting unit.
4. a kind of high reliability according to claim 1, the fault detector of high precision, it is characterised in that:Described Cord grip end is provided with the slipmat of quality of rubber materials.
5. a kind of high reliability according to claim 1, the fault detector of high precision, it is characterised in that:Described First spring is arc torsion spring.
6. a kind of high reliability according to claim 1, the fault detector of high precision, it is characterised in that:Described Host machine part carries flash lamp.
7. a kind of high reliability according to claim 1, the fault detector of high precision, it is characterised in that:Described Second spring one end carries circular mounting hole.
CN201710495434.7A 2017-06-26 2017-06-26 A kind of fault detector of high reliability, high precision Pending CN107132446A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710495434.7A CN107132446A (en) 2017-06-26 2017-06-26 A kind of fault detector of high reliability, high precision

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710495434.7A CN107132446A (en) 2017-06-26 2017-06-26 A kind of fault detector of high reliability, high precision

Publications (1)

Publication Number Publication Date
CN107132446A true CN107132446A (en) 2017-09-05

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CN201710495434.7A Pending CN107132446A (en) 2017-06-26 2017-06-26 A kind of fault detector of high reliability, high precision

Country Status (1)

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CN (1) CN107132446A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109358267A (en) * 2018-10-09 2019-02-19 国网湖南省电力有限公司 A kind of distribution line power failure monitoring method based on fault detector
CN109490691A (en) * 2018-11-15 2019-03-19 湖南长高思瑞自动化有限公司 Signal identification type fault detector and Fault Locating Method are applied outside a kind of
CN110441652A (en) * 2019-07-25 2019-11-12 北京三清互联科技有限公司 It is a kind of highly sensitive outer to apply signal type fault location system and method
CN115308453A (en) * 2022-10-10 2022-11-08 杭州三海电子有限公司 Burn-in test fixture and burn-in test system

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101701997A (en) * 2009-11-17 2010-05-05 王铮 Solar energy dual intelligent high voltage power circuit real-time failure detection method and device
CN104375060A (en) * 2014-11-28 2015-02-25 国家电网公司 Fault indicator
CN104764971A (en) * 2015-03-18 2015-07-08 广东电网有限责任公司电力科学研究院 Power distribution network overhead line single-phase grounding fault recognition positioning method and fault indicator
CN104865489A (en) * 2015-06-09 2015-08-26 国网山东济南市历城区供电公司 System and method for overhead line fault location and monitoring
CN205809217U (en) * 2016-06-08 2016-12-14 宏秀电气有限公司 A kind of fault detector
CN206223913U (en) * 2016-12-08 2017-06-06 北京鸿伟九舟电子设备有限公司 A kind of cable type short-circuit fault indicator

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101701997A (en) * 2009-11-17 2010-05-05 王铮 Solar energy dual intelligent high voltage power circuit real-time failure detection method and device
CN104375060A (en) * 2014-11-28 2015-02-25 国家电网公司 Fault indicator
CN104764971A (en) * 2015-03-18 2015-07-08 广东电网有限责任公司电力科学研究院 Power distribution network overhead line single-phase grounding fault recognition positioning method and fault indicator
CN104865489A (en) * 2015-06-09 2015-08-26 国网山东济南市历城区供电公司 System and method for overhead line fault location and monitoring
CN205809217U (en) * 2016-06-08 2016-12-14 宏秀电气有限公司 A kind of fault detector
CN206223913U (en) * 2016-12-08 2017-06-06 北京鸿伟九舟电子设备有限公司 A kind of cable type short-circuit fault indicator

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109358267A (en) * 2018-10-09 2019-02-19 国网湖南省电力有限公司 A kind of distribution line power failure monitoring method based on fault detector
CN109490691A (en) * 2018-11-15 2019-03-19 湖南长高思瑞自动化有限公司 Signal identification type fault detector and Fault Locating Method are applied outside a kind of
CN110441652A (en) * 2019-07-25 2019-11-12 北京三清互联科技有限公司 It is a kind of highly sensitive outer to apply signal type fault location system and method
CN115308453A (en) * 2022-10-10 2022-11-08 杭州三海电子有限公司 Burn-in test fixture and burn-in test system
CN115308453B (en) * 2022-10-10 2023-05-12 杭州三海电子科技股份有限公司 Aging test fixture and aging test system

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Application publication date: 20170905