CN110261744A - Partial discharge detection device - Google Patents
Partial discharge detection device Download PDFInfo
- Publication number
- CN110261744A CN110261744A CN201910553086.3A CN201910553086A CN110261744A CN 110261744 A CN110261744 A CN 110261744A CN 201910553086 A CN201910553086 A CN 201910553086A CN 110261744 A CN110261744 A CN 110261744A
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- Prior art keywords
- rib cage
- support
- partial discharge
- detection device
- discharge detection
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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
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- 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
- G01R1/04—Housings; Supporting members; Arrangements of terminals
- G01R1/0408—Test fixtures or contact fields; Connectors or connecting adaptors; Test clips; Test sockets
-
- 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
- G01R31/1263—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 solid or fluid materials, e.g. insulation films, bulk material; of semiconductors or LV electronic components or parts; of cable, line or wire insulation
- G01R31/1272—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 solid or fluid materials, e.g. insulation films, bulk material; of semiconductors or LV electronic components or parts; of cable, line or wire insulation of cable, line or wire insulation, e.g. using partial discharge measurements
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Testing Relating To Insulation (AREA)
Abstract
The invention discloses a kind of partial discharge detection devices, for detecting Voltage Cable Lines Construction, include: support keel, the rib cage component of the support keel two sides is connect and be set to the support keel, and connect with the rib cage component and be used to coat the panel electrode of high-tension cable;The rib cage component is elastic parts, and the panel electrode is that conductive panel, the panel electrode and the rib cage component are all having opening far from the keel side.Panel electrode can be plugged and be installed on high-tension cable ontology by the fixed panel electrode of support construction by partial discharge detection device of the invention, realize that panel electrode reliable attachment in high-tension cable and coats high-tension cable.Partial discharge detection device of the invention is convenient for disassembly and assembly, and work efficiency is high, and it is firm to install, and detection reliability is protected.
Description
Technical field
The present invention relates to technical field of electric power, more particularly to a kind of partial discharge detection device.
Background technique
It, need to be by thin metal decking electrode-clad in high pressure when Voltage Cable Lines Construction charges high frequency partial discharge detection using electrode method
On cable body, since high-tension cable laying is arranged side by side and the arrangement of " product " font using line-styled, between high-tension cable between
Away from very little, it is difficult to carry out wrapped thin metal decking electrode operation.Not only human input is big, and working efficiency is low, and wrapped difficulty is led
Lapping is caused not can guarantee, so that it is not high to detect reliability.
Summary of the invention
Based on this, the invention reside in overcoming the Voltage Cable Lines Construction of the prior art to charge high frequency partial discharge detection, not only manpower is thrown
Enter greatly, working efficiency is low, and wrapped difficulty causes lapping not can guarantee, to detect the not high defect of reliability, provides
A kind of partial discharge detection device.
Its technical solution is as follows:
Partial discharge detection device, for detecting Voltage Cable Lines Construction, comprising: support keel, connect with the support keel and
Rib cage component set on the support keel two sides, and connect with the rib cage component and the panel for coating high-tension cable
Electrode;The rib cage component is elastic parts, and the panel electrode is conductive panel, the panel electrode and the rib cage group
Part is all having opening far from the keel side.
Panel electrode can be plugged and be installed by the fixed panel electrode of support construction by the partial discharge detection device of the technical program
In on high-tension cable ontology, realization panel electrode reliable attachment in high-tension cable and coats high-tension cable.Specifically, this technology side
The support keel and rib cage component of case are the support constructions of fixed panel electrode, and the rib cage component is elastic parts and distribution
In support keel two sides, panel electrode is connected on rib cage component, and the two opening is located at the same side, thus when using this technology
When the partial discharge detection device of scheme, operator holds support keel, and the opening of panel electrode is directed at high-tension cable, and to height
Voltage cable direction pushes, since rib cage component is elastic parts, so that the rib cage component connecting with panel electrode is pushing
The expansion of process split shed is further driven to panel electrode opening expansion, until rib cage component is multiple after high-tension cable is coated
The opening of position, panel electrode tightens, and finally clamps high-tension cable, realizes electrode installation exercise.Correspondingly, when needing to remove this skill
When the partial discharge detection device of art scheme, it need to only hold support keel and extract.The partial discharge detection device of the technical program is torn open
Dress is convenient, and work efficiency is high, and it is firm to install, and detection reliability is protected.
The rib cage component includes the support rib cage connecting with the support keel in one of the embodiments, and
It is arranged in the elastic external member on the support rib cage and for expanding and shrinking the support rib cage.
The quantity of the support rib cage is four in one of the embodiments, and two support rib cages are as one group
And it is symmetrically set in the support keel two sides;Support rib cage interval setting described in two groups;It is propped up described in the panel electrode and two groups
Stake rib bone is all connected with.
The elastic external member includes being arranged in rib cage supported on both sides and extending the support in one of the embodiments,
Screw rod on the outside of rib cage, the first nut set on the screw rod both ends, and it is set to first nut and the support rib cage
Between reset spring;The screw rod is arranged in the support rib cage close to the support keel side.
It in one of the embodiments, further include being set between the reset spring and first nut to be equipped with limit pad
Piece.
The panel electrode includes the discount vibram outlet shape plate with opening, the discount vibram outlet shape plate in one of the embodiments,
The outer wall of part is connect with the rib cage component, and the discount vibram outlet shape plate is conductive plate piece.
It in one of the embodiments, further include the electrode crossbeam set on the discount vibram outlet shape plate open edge, the electricity
Pole crossbeam is Conductive beam.
The open edge outer wall of the discount vibram outlet shape plate is equipped with card slot, the electrode crossbeam in one of the embodiments,
In the card slot.
The rib cage component by bolt, the second nut and is worn with the support keel in one of the embodiments,
Elastomeric pad connection on the bolt.
The outer wall of the support keel is equipped with anti-skid chequer in one of the embodiments,.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of partial discharge detection device described in the embodiment of the present invention;
Fig. 2 is the perspective view of the explosion of Fig. 1;
Fig. 3 is the usage state diagram of partial discharge detection device described in the embodiment of the present invention.
Description of symbols:
10, support keel;20, rib cage component;21, rib cage is supported;22, elastic external member;221, screw rod;222, the first spiral shell
It is female;223, reset spring;224, spacing shim;30, panel electrode;31, card slot;40, high-tension cable;50, electrode crossbeam;60,
Bolt;61, the second nut;62, elastomeric pad.
Specific embodiment
To facilitate the understanding of the present invention, a more comprehensive description of the invention is given in the following sections with reference to the relevant attached drawings.In attached drawing
Give better embodiment of the invention.But the invention can be realized in many different forms, however it is not limited to herein
Described embodiment.On the contrary, the purpose of providing these embodiments is that making to understand more the disclosure
Add thorough and comprehensive.
It should be noted that it can directly on the other element when element is referred to as " being fixed on " another element
Or there may also be elements placed in the middle.When an element is considered as " connection " another element, it, which can be, is directly connected to
To another element or it may be simultaneously present centering elements.Term as used herein " vertical ", " horizontal ", " left side ",
" right side " and similar statement for illustrative purposes only, are not meant to be the only embodiment.
Unless otherwise defined, all technical and scientific terms used herein and belong to technical field of the invention
The normally understood meaning of technical staff is identical.Term as used herein in the specification of the present invention is intended merely to description tool
The purpose of the embodiment of body, it is not intended that in the limitation present invention.Term as used herein "and/or" includes one or more
Any and all combinations of relevant listed item.
Heretofore described " first ", " second " do not represent specific quantity and sequence, are only used for the differentiation of title.
Partial discharge detection device as shown in FIG. 1 to FIG. 3, for detecting 40 route of high-tension cable, comprising: support keel 10, with
The connection of support keel 10 and the rib cage component 20 for being set to 10 two sides of support keel, and connect with the rib cage component 20
Connect and be used to coat the panel electrode 30 of high-tension cable 40;The rib cage component 20 is elastic parts, and the panel electrode 30 is
Conductive panel, the panel electrode 30 and the rib cage component 20 are all having opening far from the keel side.
The partial discharge detection device of the technical program can be plugged panel electrode 30 by the fixed panel electrode 30 of support construction
It is installed on 40 ontology of high-tension cable, realizes that 30 reliable attachment of panel electrode in high-tension cable 40 and coats high-tension cable 40.Tool
Body, the support keel 10 and rib cage component 20 of the technical program are the support construction of fixed panel electrode 30, the rib cage
Component 20 is elastic parts and is distributed in 10 two sides of support keel, and panel electrode 30 is connected on rib cage component 20, and the two is opened
Mouth is located at the same side, so that operator holds support keel 10, by face when using the partial discharge detection device of the technical program
The opening of plate electrode 30 is directed at high-tension cable 40, and pushes to 40 direction of high-tension cable, since rib cage component 20 is elasticity
Component, the expansion so that the rib cage component 20 connecting with panel electrode 30 is open during the depression process, is further driven to panel electrode
30 opening expansions, until rib cage component 20 resets after high-tension cable 40 is coated well, the opening of panel electrode tightens, final folder
Tight high-tension cable 40, realizes electrode installation exercise.Correspondingly, when needing to remove the partial discharge detection device of the technical program, only
Support keel 10 need to be held and extracted.The partial discharge detection device of the technical program is convenient for disassembly and assembly, and work efficiency is high, installation jail
It leans on, detection reliability is protected.
Rib cage component 20 described in present embodiment includes the support rib cage 21 connecting with the support keel 10, and is worn
In the elastic external member 22 on the support rib cage 21 and for expanding and shrinking the support rib cage 21.
Specifically, the quantity of the support rib cage 21 is four, and the support rib cage 21 is flexible arc panel,
Two support rib cages 21 are as one group and are symmetrically set in 10 two sides of support keel, and the concave surface of arc panel is opposite, from
And preferably it is attached at high-tension cable outer wall;Support rib cage 21 interval setting described in two groups;The panel electrode 30 and two groups of institutes
Support rib cage 21 is stated to be all connected with.It can be in other embodiments it that support rib cage 21, which is nylon plastic(s), described in present embodiment
His elastic component.
Elastic external member 22 described in present embodiment includes being arranged in rib cage 21 supported on both sides and extending the support rib cage
The screw rod 221 in 21 outsides, the first nut 222 set on 221 both ends of screw rod, and it is set to first nut 222 and institute
State the reset spring 223 between support rib cage 21;The screw rod 221 is arranged in the support rib cage 21 close to the support keel
10 sides, i.e., the described elastic external member 22 are the side for being disposed far from 20 open side of rib cage component.The screw rod 221 is all provided with for both ends
Threaded screw rod, the both ends of screw rod are respectively provided with the first nut 222.It is offered on the support rib cage 21 for the screw rod
221 through-holes worn, and the size of the through-hole is less than the size of the reset spring 223, thus the reset bullet of two sides
Spring is arranged on the screw rod 221 and is sandwiched between support rib cage 21 and the first nut of corresponding side.
When using the partial discharge detection device of present embodiment, operator holds support keel 10, by panel electrode 30
Opening be aligned high-tension cable 40, and to 40 direction of high-tension cable push, thus the ribs being connect with panel electrode 30
Bone 21 is open expansion during the depression process, and reset spring 223 receives pressure that support rib cage 21 is expanded to compress.Work as high-voltage electricity
After the cladding of cable 40 is good, since reset spring 223 is compressed, tension is resetted to exist, supports rib cage 21 by reset spring 223
Pressing force, it is final to clamp high-tension cable 40 so that the opening of panel electrode 30 connected to it be driven to tighten, realize electrode peace
Pretend industry.Correspondingly, need to only hold support keel 10 when needing to remove the partial discharge detection device of the technical program and extract i.e.
It can.
In order to which preferably reset spring 223 is fixed and is limited, guarantee pressing force, present embodiment further includes being set to
Spacing shim 224 is equipped between the reset spring 223 and first nut 222, the outer diameter of the spacing shim is greater than institute
State the outer diameter of reset spring 223 and first nut 222.
Panel electrode 30 described in present embodiment includes the discount vibram outlet shape plate with opening, the outer wall of the discount vibram outlet shape plate
It is connect with the rib cage component 20, and two groups of support rib cages 21 are respectively arranged on and connect with the both ends of the discount vibram outlet shape plate, it is described
Discount vibram outlet shape plate is conductive plate piece.The opening of the discount vibram outlet shape plate is the opening of panel electrode 30, is inserted by the opening
It pulls out on high-tension cable 40.The radius of the discount vibram outlet shape plate is matched with the radius of high-tension cable 40, and with the support rib cage
21 radian matching, so that the panel electrode 30 using present embodiment can preferably be attached at 40 outer wall of high-tension cable, and mentions
The lapping of high panel electrode 30.Panel electrode 30 described in present embodiment is sheet copper, in other embodiments, described
Panel electrode 30 can be other conductive thin panels.
To further increase clamping quality, present embodiment further includes the electrode set on the discount vibram outlet shape plate open edge
Crossbeam 50, the electrode crossbeam 50 are Conductive beam.The both-side opening edge of the i.e. described panel electrode 30 is respectively equipped with an electricity
Pole crossbeam 50 improves 30 opening of panel electrode so that electrode crossbeam 50 plays the role of lock seaming when wrapped high-tension cable 40
Coupling mechanism force avoids loosening.On the other hand, since the thickness of electrode crossbeam 50 is greater than the thickness of 30 electrode of panel, the electrode is horizontal
Beam 50 can also be used to connect with external electrode.Electrode crossbeam 50 described in present embodiment is copper crossbeam, in other embodiments,
Other strip shaped metals can be used.
The open edge outer wall of the discount vibram outlet shape plate of present embodiment is equipped with card slot 31, and the electrode crossbeam 50 is set to
It is welded in the card slot 31 and with the card slot 31.The card slot 31 is convenient for the installation of electrode crossbeam 50.
Since during installation and removal, the rib cage component 20 can be expanded and tighten, thus itself and support keel 10
Junction can generate certain deformation, in order to avoid loss of the pressure to support keel 10 that deformation generates, so this implementation
Mode connects the rib cage component 20 by bolt 60, the second nut 61 and the elastomeric pad 62 being arranged on the bolt 60
The service life of product is improved due to the buffer function of elastomeric pad 62 with the support keel 10, and passes through the elastic cushion
The allowance of piece 62, so that the junction of rib cage component 20 and support keel 10 can follow rib cage component that slight expansion and receipts occurs
Contracting.
The outer wall of support keel 10 described in present embodiment is equipped with anti-skid chequer (not shown), beats when personnel being avoided to operate
It is sliding, further increase working efficiency.
Support keel 10 described in present embodiment is that the nylon plastic(s) of thick bar shaped can be in other embodiments other
Insulating elastic material.
Each technical characteristic of embodiment described above can be combined arbitrarily, for simplicity of description, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, all should be considered as described in this specification.
The embodiments described above only express several embodiments of the present invention, and the description thereof is more specific and detailed, but simultaneously
It cannot therefore be construed as limiting the scope of the patent.It should be pointed out that coming for those of ordinary skill in the art
It says, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to protection of the invention
Range.Therefore, the scope of protection of the patent of the invention shall be subject to the appended claims.
Claims (10)
1. a kind of partial discharge detection device, for detecting Voltage Cable Lines Construction characterized by comprising support keel, with the branch
The rib cage component for supportting keel connection and being set to the support keel two sides, and connect with the rib cage component and be used to coat height
The panel electrode of voltage cable;The rib cage component is elastic parts, and the panel electrode is conductive panel;The panel electrode with
And the rib cage component is all having opening far from the keel side.
2. partial discharge detection device according to claim 1, which is characterized in that the rib cage component includes and the support is imperial
The support rib cage of bone connection, and it is arranged in the resilient sleeve on the support rib cage and for expanding and shrinking the support rib cage
Part.
3. partial discharge detection device according to claim 2, which is characterized in that it is described support rib cage quantity be four, two
A support rib cage is as one group and is symmetrically set in the support keel two sides;Support rib cage interval setting described in two groups;Institute
Panel electrode is stated to be all connected with support rib cage described in two groups.
4. partial discharge detection device according to claim 2, which is characterized in that the elastic external member is collateral including being arranged in two
Stake rib bone and extend the screw rod on the outside of the support rib cage, the first nut set on the screw rod both ends, and is set to described
Reset spring between first nut and the support rib cage;The screw rod is arranged in the support rib cage close to the support dragon
Bone side.
5. partial discharge detection device according to claim 4, which is characterized in that further include set on the reset spring and described
Spacing shim is equipped between first nut.
6. partial discharge detection device according to claim 1, which is characterized in that the panel electrode includes the circle with opening
Shape plate is lacked, the outer wall of the discount vibram outlet shape plate is connect with the rib cage component, and the discount vibram outlet shape plate is conductive plate piece.
7. partial discharge detection device according to claim 6, which is characterized in that further include being set to the discount vibram outlet shape plate to be open
The electrode crossbeam at edge, the electrode crossbeam are Conductive beam.
8. partial discharge detection device according to claim 7, which is characterized in that the open edge outer wall of the discount vibram outlet shape plate
Equipped with card slot, the electrode crossbeam is set in the card slot.
9. partial discharge detection device according to claim 1-8, which is characterized in that the rib cage component and the branch
Support keel pass through bolt, the second nut and the elastomeric pad connection being arranged on the bolt.
10. partial discharge detection device according to claim 1-8, which is characterized in that the outer wall of the support keel
Equipped with anti-skid chequer.
Priority Applications (1)
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CN201910553086.3A CN110261744B (en) | 2019-06-25 | 2019-06-25 | Partial discharge detection device |
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CN201910553086.3A CN110261744B (en) | 2019-06-25 | 2019-06-25 | Partial discharge detection device |
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CN110261744B CN110261744B (en) | 2021-08-31 |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN111679169A (en) * | 2020-06-28 | 2020-09-18 | 广东电网有限责任公司广州供电局 | Cable partial discharge detection device and method |
CN111751652A (en) * | 2020-07-18 | 2020-10-09 | 国网辽宁省电力有限公司电力科学研究院 | Detection device and detection method |
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CN108169520A (en) * | 2017-12-05 | 2018-06-15 | 广东电网有限责任公司东莞供电局 | A kind of novel electrode fixture for composite insulator umbrella skirt dielectric parameter measurement |
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