CN105527544A - Distribution line fault positioning device - Google Patents
Distribution line fault positioning device Download PDFInfo
- Publication number
- CN105527544A CN105527544A CN201610088428.5A CN201610088428A CN105527544A CN 105527544 A CN105527544 A CN 105527544A CN 201610088428 A CN201610088428 A CN 201610088428A CN 105527544 A CN105527544 A CN 105527544A
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- Prior art keywords
- ring
- straight
- base
- distribution line
- current transformer
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/08—Locating faults in cables, transmission lines, or networks
- G01R31/081—Locating faults in cables, transmission lines, or networks according to type of conductors
- G01R31/086—Locating faults in cables, transmission lines, or networks according to type of conductors in power transmission or distribution networks, i.e. with interconnected conductors
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Locating Faults (AREA)
Abstract
A distribution line fault positioning device relates to the technical field of power equipment, and solves the technical problem of low fault capture accuracy rate of the existing device. The distribution line fault positioning device comprises a base and a fault monitoring module, wherein the fault monitoring module is installed on the base and used for monitoring working conditions of a distribution line, an upwardly-opening wire accommodating groove used for embedding a wire cable is formed in the base, a wire pressing framework used for pressing the wire cable in the wire accommodating groove is pivoted on the base, the fault monitoring module is configured with two straight-through current transformers, one current transformer is connected to a power supply input port of the fault monitoring module, and the other current transformer is connected to a monitoring signal input port of the fault monitoring module. The distribution line fault positioning device provided by the invention is suitable for distribution lines.
Description
Technical field
The present invention relates to power equipment technology, particularly relate to a kind of technology of distribution line failure locating device.
Background technology
Distribution line will affect the normal conveying of electric energy once break down, and therefore carries out malfunction monitoring to distribution line, localization of fault improves the important means of power supply reliability.
Distribution line failure locating device all needs to be arranged on distribution overhead line, therefore to the reliability of device and the requirement of property easy for installation higher.Existing distribution line failure locating device is primarily of base, and the malfunction monitoring module, the line ball framework composition that are arranged on base, to be filled the span of a man's arms by base and line ball framework the installation of mode implement device of cable, a straight-through current transformer is configured with in malfunction monitoring module, this current transformer has two effects, first effect is malfunction monitoring module for power supply, and second effect provides monitor signal to malfunction monitoring module.The defect of existing distribution line failure locating device is: because current transformer should be malfunction monitoring module for power supply, again for malfunction monitoring module provides monitor signal, contradiction is there is between power taking and measurement, if improve the power taking ability under small area analysis state, will occur saturated under current state and have a strong impact on measuring accuracy, if measuring accuracy when ensureing big current, respond to the normal work that power taking often can not meet device when small area analysis state; In order to ensure the normal work of device, often can only sacrifice in measurement accuracy, therefore the fault of existing distribution line failure locating device catches accuracy rate all poor (accuracy is about 40 ~ 50%), goes back ubiquity wrong report; And the installation of existing distribution line failure locating device is comparatively complicated, need 8 actions just can complete product and install, wherein product is initially fixed needs 6 actions and just can be completed, and work efficiency is poor.
Summary of the invention
For the defect existed in above-mentioned prior art, technical matters to be solved by this invention is to provide a kind of fault and catches the high distribution line failure locating device of accuracy rate.
In order to solve the problems of the technologies described above, a kind of distribution line failure locating device provided by the present invention, comprise base, and the malfunction monitoring module for monitoring distribution line operating mode be arranged on base, described base offers and upwards openly puts line groove for what embed cable, and the line ball framework be pivoted with on base for pushing down the cable put in line groove, the line ball torsion spring for ordering about the downward pivotable of line ball framework base is equipped with, described malfunction monitoring block configuration has straight-through current transformer, it is characterized in that:
Described straight-through current transformer has two, one of them straight-through current transformer is power taking ring, another straight-through current transformer is for measuring ring, the winding of power taking ring receives the power input port of malfunction monitoring module, and the winding measuring ring receives the monitor signal input port of malfunction monitoring module.
Further, described base is pivoted with renovating of a upper and lower pivotable of energy, each straight-through current transformer is divided into each semi-ring up and down, and the lower semi-ring of two straight-through current transformers is all fixed on base, the upper semi-ring of two straight-through current transformers is then arranged on respectively to be renovated, and the upper semi-ring of each straight-through current transformer and second respective engagement of loops, and can be separated with respective lower semi-ring with renovating to be switched to.
Further, described renovating offers mutual inductor cavity volume, the upper semi-ring of two straight-through current transformers is all arranged in the mutual inductor cavity volume renovated with movable fit system, renovate the position limiting structure of first ring axial float had for limiting two straight-through current transformers, and the position limiting structure that the upper semi-ring for limiting two straight-through current transformers is deviate from from mutual inductor cavity volume, and the pressure ring spring that first ring for ordering about two straight-through current transformers moves down.
Further, described line ball framework with renovate affixed.
Further, described base, renovate and all have for preventing external moisture from invading the waterproof sealing parts of electric elements inside.
Distribution line failure locating device provided by the invention, adopt the design of double-current mutual inductor, power taking and measurement are completed by different current transformers, efficiently solve the contradiction between induction power taking and measurement, can guarantee to improve measuring accuracy while device normally works, there is fault and catch the high feature of accuracy rate.
Accompanying drawing explanation
Fig. 1 is the right front to three-dimensional view of the distribution line failure locating device of the embodiment of the present invention;
Fig. 2 is left front to three-dimensional view after the distribution line failure locating device biopsy cavity marker devices of the embodiment of the present invention;
Fig. 3 be the embodiment of the present invention distribution line failure locating device by renovate upset open after left front to three-dimensional view;
Fig. 4 be the embodiment of the present invention distribution line failure locating device by renovate upset open after right front to three-dimensional view.
Embodiment
Illustrate below in conjunction with accompanying drawing and embodiments of the invention are described in further detail; but the present embodiment is not limited to the present invention; every employing analog structure of the present invention and similar change thereof, all should list protection scope of the present invention in, the pause mark in the present invention all represent and relation.
As Figure 1-Figure 4, a kind of distribution line failure locating device that the embodiment of the present invention provides, comprise base 1, and the malfunction monitoring module (not shown) for monitoring distribution line operating mode be arranged on base 1, described base 1 offers and upwards openly puts line groove 11 for what embed cable, and the line ball framework 2 be pivoted with on base 1 for pushing down the cable put in line groove, the line ball torsion spring for ordering about the downward pivotable of line ball framework 2 base 1 is equipped with, described malfunction monitoring block configuration has two straight-through current transformers 4, 5, one of them straight-through current transformer 5 is power taking ring, another straight-through current transformer 4 is for measuring ring, the winding of power taking ring 5 receives the power input port of malfunction monitoring module, the winding measuring ring 4 receives the monitor signal input port of malfunction monitoring module.
In the embodiment of the present invention, what described base 1 is pivoted with the upper and lower pivotable of an energy renovates 3, each straight-through current transformer is divided into each semi-ring up and down, and the lower semi-ring 42 of the lower semi-ring 52 of power taking ring and measurement ring is all fixed on base 1, the upper semi-ring 51 of power taking ring and the upper semi-ring 41 of measurement ring are arranged on respectively to be renovated on 3, and the upper semi-ring of each straight-through current transformer and second respective engagement of loops, and can be switched to and be separated with respective lower semi-ring with renovating 3.
In the embodiment of the present invention, described renovating on 3 offers mutual inductor cavity volume, the upper semi-ring 51 of power taking ring and the upper semi-ring 41 of measurement ring are all arranged on movable fit system to be renovated in the mutual inductor cavity volume of 3, renovate the position limiting structure on 3 with first ring axial float for limiting two straight-through current transformers, and the position limiting structure that the upper semi-ring for limiting two straight-through current transformers is deviate from from mutual inductor cavity volume, and the pressure ring spring 6 that first ring for ordering about two straight-through current transformers moves down.
In the embodiment of the present invention, described in renovate and on 3, to offer open lid side groove 31 downwards, this lid side groove 31 encloses one cross line three-way hole with the line groove 11 of putting on base 1.
In the embodiment of the present invention, described line ball framework 2, with to renovate 3 affixed, make line ball framework 2 and renovates 3 interlocks.
In the embodiment of the present invention, described base 1, renovate the waterproof sealing parts all had on 3 for preventing external moisture from invading electric elements inside.
The embodiment of the present invention is applicable to distribution line failure monitoring, and its use-pattern is as follows:
First open to the state shown in Fig. 3, Fig. 4 by renovating upset, now the semi-ring up and down of power taking ring and the semi-ring up and down of measurement ring are all in the state be separated from each other, now distributing cable is snapped in and base 1 puts in line groove 11, then the state turn to shown in Fig. 1 will be renovated, make power taking ring and measure ring to return to the closed loop states that upper and lower semi-ring is bonded with each other, now base with renovate distributing cable of also filling the span of a man's arms, distributing cable is also pushed down by line ball framework 2, and distributing cable can not be deviate from from base; Under the elastic force effect of pressure ring spring 6, the semi-ring up and down of power taking ring and measurement ring all can engage closely, the loss responding to magnetic flux can be avoided, improve the power taking ability of power taking ring and measure the monitor signal accuracy of ring, and line ball framework 2 with renovate 3 interlocks design, open while renovating, line ball framework 2 also can unclamp distributing cable, installs very convenient.
Claims (5)
1. a distribution line failure locating device, comprise base, and the malfunction monitoring module for monitoring distribution line operating mode be arranged on base, described base offers and upwards openly puts line groove for what embed cable, and the line ball framework be pivoted with on base for pushing down the cable put in line groove, base is equipped with the line ball torsion spring for ordering about the downward pivotable of line ball framework, described malfunction monitoring block configuration has straight-through current transformer, it is characterized in that:
Described straight-through current transformer has two, one of them straight-through current transformer is power taking ring, another straight-through current transformer is for measuring ring, the winding of power taking ring receives the power input port of malfunction monitoring module, and the winding measuring ring receives the monitor signal input port of malfunction monitoring module.
2. distribution line failure locating device according to claim 1, it is characterized in that: described base is pivoted with renovating of a upper and lower pivotable of energy, each straight-through current transformer is divided into each semi-ring up and down, and the lower semi-ring of two straight-through current transformers is all fixed on base, the upper semi-ring of two straight-through current transformers is then arranged on respectively to be renovated, and the upper semi-ring of each straight-through current transformer and second respective engagement of loops, and can be separated with respective lower semi-ring with renovating to be switched to.
3. distribution line failure locating device according to claim 2, it is characterized in that: described in renovate and offer mutual inductor cavity volume, the upper semi-ring of two straight-through current transformers is all arranged in the mutual inductor cavity volume renovated with movable fit system, renovate the position limiting structure of first ring axial float had for limiting two straight-through current transformers, and the position limiting structure that the upper semi-ring for limiting two straight-through current transformers is deviate from from mutual inductor cavity volume, and the pressure ring spring that first ring for ordering about two straight-through current transformers moves down.
4. distribution line failure locating device according to claim 2, is characterized in that: described line ball framework with renovate affixed.
5. distribution line failure locating device according to claim 2, is characterized in that: described base, renovate and all have for preventing external moisture from invading the waterproof sealing parts of electric elements inside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610088428.5A CN105527544A (en) | 2016-02-17 | 2016-02-17 | Distribution line fault positioning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610088428.5A CN105527544A (en) | 2016-02-17 | 2016-02-17 | Distribution line fault positioning device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105527544A true CN105527544A (en) | 2016-04-27 |
Family
ID=55769888
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610088428.5A Withdrawn CN105527544A (en) | 2016-02-17 | 2016-02-17 | Distribution line fault positioning device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105527544A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106199334A (en) * | 2016-06-30 | 2016-12-07 | 国网山东省电力公司济南市历城区供电公司 | Overhead transmission line fault positioning monitoring device |
| CN106501684A (en) * | 2017-01-13 | 2017-03-15 | 北京中电科锐科技有限公司 | A kind of line-failure indicator |
| CN108362976A (en) * | 2018-02-09 | 2018-08-03 | 董岳良 | A kind of novel power grid monitoring device |
| CN112858835A (en) * | 2020-12-31 | 2021-05-28 | 河南华能联合电力建设有限公司 | Cable identification device and power construction maintenance cable identification method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202351370U (en) * | 2011-11-09 | 2012-07-25 | 思源电气股份有限公司 | Fault indicator for overhead lines |
| CN203178408U (en) * | 2013-04-07 | 2013-09-04 | 淄博元星电子有限公司 | Cable line fault indicator |
| CN103472356A (en) * | 2013-10-12 | 2013-12-25 | 长沙威胜信息技术有限公司 | Cable type fault detector |
| CN104076243A (en) * | 2013-03-29 | 2014-10-01 | 北京映翰通网络技术股份有限公司 | Method for detection and indication of single-phase ground faults of small current grounding power distribution network and device |
| CN205484651U (en) * | 2016-02-17 | 2016-08-17 | 上海紫通信息科技有限公司 | Distribution lines fault locating device |
-
2016
- 2016-02-17 CN CN201610088428.5A patent/CN105527544A/en not_active Withdrawn
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202351370U (en) * | 2011-11-09 | 2012-07-25 | 思源电气股份有限公司 | Fault indicator for overhead lines |
| CN104076243A (en) * | 2013-03-29 | 2014-10-01 | 北京映翰通网络技术股份有限公司 | Method for detection and indication of single-phase ground faults of small current grounding power distribution network and device |
| CN203178408U (en) * | 2013-04-07 | 2013-09-04 | 淄博元星电子有限公司 | Cable line fault indicator |
| CN103472356A (en) * | 2013-10-12 | 2013-12-25 | 长沙威胜信息技术有限公司 | Cable type fault detector |
| CN205484651U (en) * | 2016-02-17 | 2016-08-17 | 上海紫通信息科技有限公司 | Distribution lines fault locating device |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106199334A (en) * | 2016-06-30 | 2016-12-07 | 国网山东省电力公司济南市历城区供电公司 | Overhead transmission line fault positioning monitoring device |
| CN106199334B (en) * | 2016-06-30 | 2019-06-25 | 国网山东省电力公司济南市历城区供电公司 | Overhead transmission line fault positioning monitoring device |
| CN106501684A (en) * | 2017-01-13 | 2017-03-15 | 北京中电科锐科技有限公司 | A kind of line-failure indicator |
| CN108362976A (en) * | 2018-02-09 | 2018-08-03 | 董岳良 | A kind of novel power grid monitoring device |
| CN112858835A (en) * | 2020-12-31 | 2021-05-28 | 河南华能联合电力建设有限公司 | Cable identification device and power construction maintenance cable identification method |
| CN112858835B (en) * | 2020-12-31 | 2024-03-15 | 河南华能联合电力建设有限公司 | Cable identification equipment and power construction overhaul cable identification method |
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| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20160427 |