CN106771936A - There is lightning stroke flashover counting how many times device in a kind of electric transmission line isolator - Google Patents
There is lightning stroke flashover counting how many times device in a kind of electric transmission line isolator Download PDFInfo
- Publication number
- CN106771936A CN106771936A CN201710102201.6A CN201710102201A CN106771936A CN 106771936 A CN106771936 A CN 106771936A CN 201710102201 A CN201710102201 A CN 201710102201A CN 106771936 A CN106771936 A CN 106771936A
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- China
- Prior art keywords
- counting
- cable
- electromagnet
- swing rod
- ratchet
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- 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.)
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Classifications
-
- 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
- G01R31/12—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing
- G01R31/1227—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing of components, parts or materials
- G01R31/1245—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing of components, parts or materials of line insulators or spacers, e.g. ceramic overhead line cap insulators; of insulators in HV bushings
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
-
- 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
- G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
Abstract
There is lightning stroke flashover counting how many times device, including leakage current test grading ring and counting device the invention discloses a kind of electric transmission line isolator；The leakage current test grading ring includes the cable that grading ring, the current coil and current coil that are fixed in grading ring by anchor ear are connected；The counting device includes housing, ratchet mechanism, electromagnet and fixed block are installed in housing, counting scale is installed on the ratchet cover plate of ratchet mechanism, electromagnet and fixed block are installed in the swing rod both sides of ratchet mechanism respectively, spring is connected between fixed block and swing rod, the housing has an opening, and counting scale one end passes opening, extends to outside housing., by using said structure, compared to existing power electronic equipment, reliability is higher, and stable performance is not consumed energy additionally for the device.Next to that being run using thunder and lightning overcurrent energy drive mechanism in itself, it is not necessary to additionally carry out distribution, simple structure, it is easy to safeguard.
Description
Technical field
The present invention relates to transmission pressure technical field, specifically, it is related to a kind of electric transmission line isolator that thunderbolt occurs and dodges
Network counting how many times device.
Background technology
When transmission pressure is struck by lightning, neighbouring shaft tower insulator chain can occur flashover.Thunder and lightning overcurrent through along insulator chain,
Shaft tower is released to the earth.And after insulator occurs flashover, often not there is sharp trace in appearance, operations staff is difficult by outer
See the thunder discharge history that the mode for checking judges insulator.This causes that the service life of insulator judges the replacing with insulator
Become complicated so that circuit long-term safety stable operation has hidden danger.
Once there is the research collected and recorded by electronic equipment for insulator arc-over flashover.But long-term use is sent out
It is existing, easily broken down under heavy current, highfield operating mode that electronic equipment is produced in lightning discharge, reliability is poor, safeguards
Difficulty is higher.
The content of the invention
There is lightning stroke flashover counting how many times device it is an object of the invention to provide a kind of electric transmission line isolator, by machine
The mode of tool records insulator and lightning stroke flashover number of times occurs, and reliability is high, easy to maintenance.
To realize above-mentioned technical purpose, above-mentioned technique effect is reached, its technical scheme is specially：
There is lightning stroke flashover counting how many times device, including leakage current test grading ring and counting in a kind of electric transmission line isolator
Device；
Leakage current test grading ring：Current coil and electric current line in grading ring are fixed on including grading ring, by anchor ear
Enclose the cable of connection；
Counting device：Including housing, ratchet mechanism, electromagnet and fixed block are installed in housing, in ratchet mechanism spine
Counting scale is installed, electromagnet and fixed block are installed in ratchet mechanism swing rod both sides respectively on wheel disc, fixed block and swing rod it
Between be connected with spring, the housing has an opening, and counting scale one end passes opening, extends to outside housing；
Current coil is connected by cable with electromagnet, and the swing rod is made up of armature.
The cable includes the first cable and the second cable, and the first cable is connected with current coil, the second electricity
Cable is connected with electromagnet, is connected by water joint between the first cable and the second cable.
Stopping means is provided between swing rod and fixed block, the stopping means includes limited block, opened up in limited block
There is a mounting hole, a screw for limited block is fixed is provided with mounting hole, in electromagnet dead electricity, spring pulls pendulum
Bar is resisted against on limited block.
The ratchet cover plate has multiple ratchets, and a plurality of graduation mark is provided with counting scale, and each graduation mark is corresponding with each ratchet, when
When electromagnet obtains electric, electromagnet attracts swing rod attracting with it, and swing rod stirs the ratchet cover plate and feeds a ratchet by ratchet.
The invention has the advantages that：
The present invention is to allow insulator that lightning stroke flashover number of times occurs by the way of machinery to be able to record in detail first, with electronics
The mode of record is compared, and its reliability is higher, and stable performance is not consumed energy additionally.Next to that the energy using thunder and lightning overcurrent in itself
Amount drive mechanism operation, it is not necessary to additionally carry out distribution, simple structure, it is easy to safeguard.
Brief description of the drawings
Fig. 1 is the main structure diagram that electric transmission line isolator of the present invention occurs lightning stroke flashover counting how many times device；
Fig. 2 is the dimensional structure diagram that electric transmission line isolator of the present invention occurs lightning stroke flashover counting how many times device；Figure
In：Leakage current test grading ring 1, counting device 2, cable 3, ratchet mechanism 4, stopping means 5, grading ring 11, current coil
12nd, anchor ear 13, housing 21, opening 22, electromagnet 23, counting scale 24, graduation mark 25, fixed block 26, spring 27, pointer 28, the
Two cables 31, the first cable 32, water joint 33, ratchet 41, swing rod 42, ratchet 43, the ratchet cover plate 44, limited block 51, waist
Shape hole 52, screw 53.
Specific embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, it is right below in conjunction with drawings and Examples
The present invention is further elaborated.
As Figure 1-Figure 2, there is lightning stroke flashover counting how many times device, including leakage current inspection in a kind of electric transmission line isolator
Survey grading ring 1 and counting device 2；
Leakage current test grading ring 1：The current coil in grading ring 11 is fixed on including grading ring 11, by anchor ear 13
12 and current coil 12 connection cable 3；
Counting device 2：Including housing 21, ratchet mechanism 4, electromagnet 23 and fixed block 26 are installed in housing 21,
Counting scale 24 is installed, electromagnet 23 and fixed block 26 are installed in the swing rod 42 of ratchet mechanism 4 respectively on the ratchet cover plate 44 of ratchet mechanism 4
Both sides, are connected with spring 27 between fixed block 26 and swing rod 42, and the housing 21 has an opening 22, and the one end of counting scale 24 is worn
Go out opening 22, extend to outside housing 21；
Current coil 12 is connected by cable 3 with electromagnet 23, and the swing rod 42 is made up of armature, is opened in housing 21
The top of mouth 22 is provided with pointer 28.
Operation principle of the invention is：When the wire that is struck by lightning causes that neighbouring shaft tower insulator chain discharges, overcurrent passes through leakage
Current monitoring grading ring 11 enters the earth, at the same time, the current coil 12 in leakage current monitoring grading ring 11 by shaft tower catharsis
Produce induced electromotive force to cause that the electromagnet 23 being attached thereto produces magnetic force, swing rod 42 is attracted to be close to, the spine that swing rod 42 drives
Pawl 43 is stirred the ratchet cover plate 44 and is rotated, and then stirs one lattice of rotation of counting scale 24, it is possible thereby to pass through the lattice number that counting scale 24 is rotated
There is lightning stroke flashover number of times to record insulator, when needing to be zeroed counting scale 24, counting scale 24 can be toggled it to zero (such as
The ratchet cover plate 44 is persistently rotated counterclockwise in Fig. 1, until the ratchet cover plate 44 is zeroed), for the flashover number of times record of next cycle.
The cable 3 includes the first cable 32 and the second cable 31, and the first cable 32 connects with current coil 12
Connect, the second cable 31 is connected with electromagnet 23, connected by water joint 33 between the first cable 32 and the second cable 31
Connect.3 points of cable is two sections, and this structure can be easy for installation and maintenance.
Stopping means 5 is provided between swing rod 42 and fixed block 26, the stopping means 5 includes limited block 51, spacing
A mounting hole 52 is offered in block 51, a screw 53 for limited block 51 is fixed is provided with mounting hole 52, in electromagnetism
During 23 dead electricity of iron, spring 27 pulls swing rod 42 to be resisted against on limited block 51.Limited block 51 can facilitate the swing row to swing rod 42
Journey is finely adjusted.Method for trimming moves left and right limited block 51 to unclamp screw 53 along mounting hole 52, is moving to correct position
Afterwards, screwing screw 53, limited block 51 is fixed.
The ratchet cover plate 44 has 100 ratchets 41, is provided with 100 graduation marks 25 on counting scale 24, each graduation mark 25 with it is each
Ratchet 41 is corresponding, and when electromagnet 23 must be electric, the attraction swing rod 42 of electromagnet 23 is attracting with it, and swing rod 42 is stirred by ratchet 43
The ratchet cover plate 44 feeds a ratchet 41, and counting scale 24 rotates a lattice scale.This structure is easy to operations staff to record.
The above, preferably specific embodiment only of the invention, protection scope of the present invention not limited to this are any ripe
Those skilled in the art are known in the technical scope of present disclosure, the letter of the technical scheme that can be become apparent to
Altered or equivalence replacement are each fallen within protection scope of the present invention.
Claims (4)
1. there is lightning stroke flashover counting how many times device in a kind of electric transmission line isolator, it is characterised in that equal including leakage current test
Pressure ring (1) and counting device (2)；
Leakage current test grading ring (1)：The electric current line in grading ring (11) is fixed on including grading ring (11), by anchor ear (13)
Circle (12) and the cable (3) of current coil (12) connection；
Counting device (2)：Including housing (21), ratchet mechanism (4), electromagnet (23) and fixed block are installed in housing (21)
(26) counting scale (24), is installed on ratchet mechanism (4) ratchet cover plate (44), electromagnet (23) and fixed block (26) are fixed respectively
In ratchet mechanism (4) swing rod (42) both sides, spring (27), the housing are connected between fixed block (26) and swing rod (42)
(21) with an opening (22), counting scale (24) one end passes opening (22), extends to housing (21) outward；
Current coil (12) is connected by cable (3) with electromagnet (23), and the swing rod (42) is made up of armature.
2. there is lightning stroke flashover counting how many times device in a kind of electric transmission line isolator as claimed in claim 1, it is characterised in that
The cable (3) includes the first cable (32) and the second cable (31), the first cable (32) and current coil (12)
Connection, the second cable (31) is connected with electromagnet (23), by anti-between the first cable (32) and the second cable (31)
Water swivel (33) is connected.
3. there is lightning stroke flashover counting how many times device in a kind of electric transmission line isolator as claimed in claim 1, it is characterised in that
Stopping means (5) is provided between swing rod (42) and fixed block (26), the stopping means (5) includes limited block (51), in limit
A mounting hole (52) is offered in position block (51), a screw for limited block (51) is fixed is provided with mounting hole (52)
(53), in electromagnet (23) dead electricity, spring (27) pulls swing rod (42) to be resisted against on limited block (51).
4. there is lightning stroke flashover counting how many times device in a kind of electric transmission line isolator as claimed in claim 1, it is characterised in that
The ratchet cover plate (44) is provided with a plurality of graduation mark (25), each graduation mark (25) with multiple ratchets (41) on counting scale (24)
Corresponding with each ratchet (41), when electromagnet (23) must be electric, electromagnet (23) attracts swing rod (42) attracting with it, swing rod (42)
The ratchet cover plate (44) is stirred by ratchet (43) and feeds a ratchet (41).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710102201.6A CN106771936A (en) | 2017-02-24 | 2017-02-24 | There is lightning stroke flashover counting how many times device in a kind of electric transmission line isolator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710102201.6A CN106771936A (en) | 2017-02-24 | 2017-02-24 | There is lightning stroke flashover counting how many times device in a kind of electric transmission line isolator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106771936A true CN106771936A (en) | 2017-05-31 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710102201.6A Pending CN106771936A (en) | 2017-02-24 | 2017-02-24 | There is lightning stroke flashover counting how many times device in a kind of electric transmission line isolator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106771936A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108896811A (en) * | 2018-05-21 | 2018-11-27 | 海南电网有限责任公司海口供电局 | A kind of electric transmission line lightning arrester operation counter and its method of counting |
| CN113889992A (en) * | 2021-12-07 | 2022-01-04 | 山东中呈防雷科技有限公司 | Power supply lightning arrester alarm device |
| CN114167232A (en) * | 2021-11-25 | 2022-03-11 | 海南电网有限责任公司万宁供电局 | Lightning flashover frequency counting device for power transmission line |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2781389Y (en) * | 2005-02-06 | 2006-05-17 | 邵伟 | Pollution flashing point indicator for transmission line insulator |
| CN105403817A (en) * | 2015-11-03 | 2016-03-16 | 国网辽宁省电力有限公司葫芦岛供电公司 | Power transmission line insulator pollution flashover/lightning stoke flashover double indicator |
| CN206270440U (en) * | 2016-12-20 | 2017-06-20 | 三峡大学 | There is lightning stroke flashover counting how many times device in a kind of transmission line composite insulator |
-
2017
- 2017-02-24 CN CN201710102201.6A patent/CN106771936A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2781389Y (en) * | 2005-02-06 | 2006-05-17 | 邵伟 | Pollution flashing point indicator for transmission line insulator |
| CN105403817A (en) * | 2015-11-03 | 2016-03-16 | 国网辽宁省电力有限公司葫芦岛供电公司 | Power transmission line insulator pollution flashover/lightning stoke flashover double indicator |
| CN206270440U (en) * | 2016-12-20 | 2017-06-20 | 三峡大学 | There is lightning stroke flashover counting how many times device in a kind of transmission line composite insulator |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108896811A (en) * | 2018-05-21 | 2018-11-27 | 海南电网有限责任公司海口供电局 | A kind of electric transmission line lightning arrester operation counter and its method of counting |
| CN108896811B (en) * | 2018-05-21 | 2021-09-21 | 海南电网有限责任公司海口供电局 | Action counter of lightning arrester of power transmission line and counting method thereof |
| CN114167232A (en) * | 2021-11-25 | 2022-03-11 | 海南电网有限责任公司万宁供电局 | Lightning flashover frequency counting device for power transmission line |
| CN113889992A (en) * | 2021-12-07 | 2022-01-04 | 山东中呈防雷科技有限公司 | Power supply lightning arrester alarm device |
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| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170531 |
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| RJ01 | Rejection of invention patent application after publication |