CN208283508U - A kind of device for Partial Discharge Detection - Google Patents
A kind of device for Partial Discharge Detection Download PDFInfo
- Publication number
- CN208283508U CN208283508U CN201820921219.9U CN201820921219U CN208283508U CN 208283508 U CN208283508 U CN 208283508U CN 201820921219 U CN201820921219 U CN 201820921219U CN 208283508 U CN208283508 U CN 208283508U
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- upper cartridge
- box body
- lower box
- cartridge body
- magnetic core
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Abstract
The utility model discloses a kind of devices for Partial Discharge Detection, including metal shielding box, the metal shielding box includes lower box body and upper cartridge body, the upper cartridge body bottom end and lower box body one end are hinged, the upper cartridge body bottom end and lower box body are made of aluminum alloy materials, magnetic core is equipped with inside the lower box body and upper cartridge body, the magnetic core is made of Ferrite Material, enameled wire is equipped on the outside of the magnetic core, the magnetic core two sides are equipped with insulation board, the insulation board is made of glass fiber material, the magnetic core leading flank is equipped with closing lid, fixed device is equipped at the top of the upper cartridge body.The utility model is being equipped with metal shielding box, the magnetic core made of Ferrite Material and fixed device, fixed screw passes through inside knob precession screw hole, fixing line is driven to be wrapped on fixed screw when rotation, the lower box body and upper cartridge body of full-closed structure are made of aluminum alloy materials, are conducive to promote anti-interference.
Description
Technical field
It is the utility model relates to electric system Partial Discharge Detection field, in particular to a kind of for Partial Discharge Detection
Device.
Background technique
With constantly increasing for urban distribution network power load, power cable also exists with the growth probability of malfunction of the operation time limit
It greatly increases, carries out power cable Partial Discharge Detection and be of great significance to the safe operation for ensureing electric system.
The detection method for local discharge of current power cable mainly has High Frequency Current Sensor Electromagnetic coupling method, superfrequency
Method, ultrasonic Detection Method etc..When using superfrequency, supercritical ultrasonics technology detection power cable shelf depreciation, sensor is difficult solid
It is scheduled on power cable ontology, sensor is tied up on cable usually using band, brings very burden to detection, and also not
Safety.When ultrasonic wave and extra-high frequency method detection power cable shelf depreciation, since signal decaying is fast, detection effective range compared with
It is small.In addition, the running environment of power cable is complicated, interference is strong, mobile phone signal, car engine ignition, mechanical vibration noise
It will produce serious influence to the accuracy of superfrequency method, ultrasonic Detection Method.Therefore, the master of cable local discharge detection at present
To use High Frequency Current Sensor Electromagnetic coupling method.
The ring structure that existing High Frequency Current Sensor is made of two semicircular rings mostly currently on the market, two semicircles
The problems such as ring is screwed or anchor ear connection, and generally existing sensitivity is too low；It generally requires to spend when testing at the scene
Strength go to open or connect two semicircular rings, it is time-consuming and laborious, it is extremely inconvenient, and due to transducer sensitivity export letter
It is number small, it is easy to miss effective local discharge signal, cause missing inspection.
Therefore, it is necessary to solve the above problems to invent a kind of device for Partial Discharge Detection.
Utility model content
The purpose of this utility model is to provide a kind of device for Partial Discharge Detection, by by lower box body and upper box
Body is stuck on power cable, and by fixed screw by inside knob precession screw hole, when rotation drives fixing line to be wrapped in fixed spiral shell
On silk, the lower box body and upper cartridge body of full-closed structure are made of aluminum alloy materials, magnetic core made of the Ferrite Material of use
With simultaneously reasonable number of inductive coil turns, to solve the problems mentioned in the above background technology.
To achieve the above object, the utility model provides the following technical solutions: a kind of device for Partial Discharge Detection,
Including metal shielding box, the metal shielding box includes lower box body and upper cartridge body, and the upper cartridge body bottom end and lower box body one end are cut with scissors
It connecing, the upper cartridge body bottom end and lower box body are made of aluminum alloy materials, it is equipped with magnetic core inside the lower box body and upper cartridge body,
The magnetic core is made of Ferrite Material, enameled wire is equipped on the outside of the magnetic core, the magnetic core two sides are equipped with insulation board, described
Insulation board is made of glass fiber material, and the magnetic core leading flank is equipped with closing lid, and fixed device, institute are equipped at the top of the upper cartridge body
Stating fixed device includes pull ring, and the pull ring is fixedly connected with upper cartridge body, and the pull ring side is equipped with fixing line, the fixing line
Side is equipped with fixed screw, and knob is equipped at the top of the fixed screw, and the lower box body surface is equipped with screw hole, the fixed screw
It is threadedly coupled with screw hole.
Preferably, the pull ring side be equipped with suggestion device, the suggestion device includes fixing sleeve, the fixing sleeve with it is upper
Box body is fixedly connected, and test pencil is equipped with inside the fixing sleeve.
Preferably, it is equipped with spring on the outside of the test pencil, the spring top is fixedly connected with test pencil, the spring bottom
End is fixedly connected with fixing sleeve inner wall.
Preferably, the lower box body and upper cartridge body bottom are equipped with a cylinder, described that cylinder is made of PVC material.
Preferably, described isolation board is equipped on the outside of cylinder, the isolation board is made of rubber material.
Preferably, the lower box body side is equipped with BNC connector, and the lower box body and enameled wire, which are fixed with BNC connector, to be connected
It connects.
The technical effect and advantage of the utility model:
1, pass through rotation being equipped with metal shielding box, the magnetic core made of Ferrite Material and fixed device, fixed screw
Inside button precession screw hole, fixing line is driven to be wrapped on fixed screw when rotation, the lower box body and upper cartridge body of full-closed structure are adopted
It is made of aluminum alloy materials, is conducive to promote anti-interference, magnetic core made of Ferrite Material is conducive to promote magnetic conductivity, rationally
Number of inductive coil turns, sensitivity can be promoted so that output signal reinforce；
2, by being equipped with suggestion device, test pencil is contacted with power cable when upper cartridge body is contacted with power cable, so that making
User can be clearly understood that power cable with the presence or absence of electricity, is conducive to prompt user, improves user's
Safety coefficient, isolation board is beneficial to prevent to be contacted with power cable generation during installation, and setting is conducive to cylinder to increase to metal
The holding degree of shielding box, effectively moves the utility model.
Detailed description of the invention
Fig. 1 is the overall structure diagram of the utility model.
Fig. 2 is the side view of the utility model.
Fig. 3 is the upper cartridge body structural schematic diagram of the utility model.
In figure: 1 metal shielding box, 2 lower box bodies, 3 upper cartridge bodies, 4 magnetic cores, 5 enameled wires, 6 insulation boards, 7 closing lids, 8 fixed dresses
It sets, 9 pull rings, 10 fixing lines, 11 fixed screws, 12 knobs, 13 screw holes, 14 suggestion devices, 15 fixing sleeves, 16 test pencils, 17 bullets
Spring, 18 are cylinder, 19 isolation boards, 20 BNC connectors.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
The utility model provides a kind of device for Partial Discharge Detection as shown in Figs. 1-3, including metallic shield
Box 1, the metal shielding box 1 include lower box body 2 and upper cartridge body 3, and 3 bottom end of upper cartridge body and 2 one end of lower box body are hinged, described
3 bottom end of upper cartridge body is made with lower box body 2 of aluminum alloy materials, and magnetic core 4, institute are equipped with inside the lower box body 2 and upper cartridge body 3
It states magnetic core 4 to be made of Ferrite Material, enameled wire 5 is equipped on the outside of the magnetic core 4,4 two sides of magnetic core are equipped with insulation board 6,
The insulation board 6 is made of glass fiber material, and 4 leading flank of magnetic core is equipped with closing lid 7, is equipped at the top of the upper cartridge body 3 solid
Determine device 8, is passed through being equipped with metal shielding box 1, the magnetic core 4 made of Ferrite Material and fixed device 8, fixed screw 11
Inside 12 precession screw hole 13 of knob, fixing line 10 is driven to be wrapped on fixed screw 11 when rotation, the lower box body 2 of full-closed structure
It is made with upper cartridge body 3 of aluminum alloy materials, is conducive to promote anti-interference, magnetic core 4 made of Ferrite Material is conducive to mention
Magnetic conductivity is risen, reasonable number of inductive coil turns can promote sensitivity, so that output signal is reinforced, the fixed device 8 includes
Pull ring 9, the pull ring 9 are fixedly connected with upper cartridge body 3, and 9 side of pull ring is equipped with fixing line 10, and 10 side of fixing line is set
There is fixed screw 11, knob 12 is equipped at the top of the fixed screw 11,2 surface of lower box body is equipped with screw hole 13, the fixation
Screw 11 is threadedly coupled with screw hole 13.
Further, in the above-mentioned technical solutions, 9 side of pull ring is equipped with suggestion device 14, the suggestion device 14
Including fixing sleeve 15, the fixing sleeve 15 is fixedly connected with upper cartridge body 3, and test pencil 16 is equipped with inside the fixing sleeve 15, is passed through
Equipped with suggestion device 14, test pencil 16 is contacted with power cable when upper cartridge body 3 is contacted with power cable, allows user clear
Chu recognizes that power cable with the presence or absence of electricity, is conducive to prompt user, improves the safety coefficient of user；
Further, in the above-mentioned technical solutions, on the outside of the test pencil 16 be equipped with spring 17,17 top of spring with
Test pencil 16 is fixedly connected, and 17 bottom end of spring is fixedly connected with 15 inner wall of fixing sleeve, by the way that spring 17 is arranged, can be made
Lower box body 2 and upper cartridge body 3 reduce when being fixed on power cable and generate extruding to test pencil 16；
Further, in the above-mentioned technical solutions, the lower box body 2 and 3 bottom of upper cartridge body are equipped with a cylinder 18, and described
Cylinder 18 is made of PVC material, by being arranged cylinder 18, is conducive to increase the holding degree to metal shielding box 1, effective movement is originally
Utility model；
Further, in the above-mentioned technical solutions, described isolation board 19 is equipped on the outside of cylinder 18, the isolation board 19 is by rubber
Glue material is made, and by the way that isolation board 19 is arranged, is beneficial to prevent and contacts during installation with power cable generation；
Further, in the above-mentioned technical solutions, 2 side of lower box body is equipped with BNC connector 20,2 He of lower box body
Enameled wire 5 is fixedly connected with BNC connector 20, by the way that BNC connector 20 is arranged, is conducive to export signal from BNC terminal.
This practical working principle:
Referring to Figure of description 1-2, lower box body 2 and upper cartridge body 3 are stuck on power cable, later led to fixed screw 11
It crosses inside 12 precession screw hole 13 of knob, drives fixing line 10 to be wrapped on fixed screw 11 when rotation, so that 2 He of lower box body
Upper cartridge body 3 is fixed up, and the lower box body 2 and upper cartridge body 3 of full-closed structure are made of aluminum alloy materials, can be promoted anti-interference
Property, magnetic core 4 made of the Ferrite Material of use can promote magnetic conductivity, while reasonable number of inductive coil turns, can be promoted
Sensitivity so that output signal reinforce, isolation board 19 can prevent during installation with power cable generation contact, setting cylinder
18 increase the holding degree to metal shielding box 1, effectively move the utility model；
Referring to Figure of description 3, while when upper cartridge body 3 is contacted with power cable, test pencil 16 is contacted with power cable, is made
Obtaining user can be clearly understood that power cable with the presence or absence of electricity, can prompt user, improve user
Safety coefficient.
Finally, it should be noted that the above descriptions are merely preferred embodiments of the present invention, it is not limited to this
Utility model, although the utility model is described in detail with reference to the foregoing embodiments, for those skilled in the art
For, it is still possible to modify the technical solutions described in the foregoing embodiments, or to part of technical characteristic
It is equivalently replaced, within the spirit and principle of the utility model, any modification, equivalent replacement, improvement and so on,
It should be included within the scope of protection of this utility model.
Claims (6)
1. a kind of device for Partial Discharge Detection, it is characterised in that: including metal shielding box (1), the metal shielding box
It (1) include lower box body (2) and upper cartridge body (3), upper cartridge body (3) bottom end and lower box body (2) one end are hinged, the upper cartridge body
(3) bottom end is made with lower box body (2) of aluminum alloy materials, is equipped with magnetic core inside the lower box body (2) and upper cartridge body (3)
(4), the magnetic core (4) is made of Ferrite Material, is equipped with enameled wire (5) on the outside of the magnetic core (4), magnetic core (4) two sides
It being equipped with insulation board (6), the insulation board (6) is made of glass fiber material, and magnetic core (4) leading flank is equipped with closing lid (7),
It is equipped at the top of the upper cartridge body (3) fixed device (8), the fixed device (8) includes pull ring (9), the pull ring (9) and upper box
Body (3) is fixedly connected, and pull ring (9) side is equipped with fixing line (10), and fixing line (10) side is equipped with fixed screw
(11), knob (12) are equipped at the top of the fixed screw (11), lower box body (2) surface is equipped with screw hole (13), the fixation
Screw (11) is threadedly coupled with screw hole (13).
2. a kind of device for Partial Discharge Detection according to claim 1, it is characterised in that: the pull ring (9) one
Side is equipped with suggestion device (14), and the suggestion device (14) includes fixing sleeve (15), and the fixing sleeve (15) and upper cartridge body (3) are solid
Fixed connection, the fixing sleeve (15) is internal to be equipped with test pencil (16).
3. a kind of device for Partial Discharge Detection according to claim 2, it is characterised in that: the test pencil (16)
Outside is equipped with spring (17), and spring (17) top is fixedly connected with test pencil (16), spring (17) bottom end and fixation
Set (15) inner wall is fixedly connected.
4. a kind of device for Partial Discharge Detection according to claim 1, it is characterised in that: the lower box body (2)
It is equipped with a cylinder (18) with upper cartridge body (3) bottom, it is described that cylinder (18) is made of PVC material.
5. a kind of device for Partial Discharge Detection according to claim 2, it is characterised in that: it is described cylinder (18) outside
Side is equipped with isolation board (19), and the isolation board (19) is made of rubber material.
6. a kind of device for Partial Discharge Detection according to claim 1, it is characterised in that: the lower box body (2)
Side is equipped with BNC connector (20), and the lower box body (2) and enameled wire (5) are fixedly connected with BNC connector (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820921219.9U CN208283508U (en) | 2018-06-14 | 2018-06-14 | A kind of device for Partial Discharge Detection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820921219.9U CN208283508U (en) | 2018-06-14 | 2018-06-14 | A kind of device for Partial Discharge Detection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208283508U true CN208283508U (en) | 2018-12-25 |
Family
ID=64699955
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820921219.9U Active CN208283508U (en) | 2018-06-14 | 2018-06-14 | A kind of device for Partial Discharge Detection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208283508U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109655723A (en) * | 2018-12-29 | 2019-04-19 | 国网江苏省电力有限公司电力科学研究院 | A kind of partial discharge detecting sensor for high-tension current inductor |
| CN112946429A (en) * | 2021-01-27 | 2021-06-11 | 云南电网有限责任公司电力科学研究院 | Electromagnetic shielding box for GIS partial discharge optical detection device |
-
2018
- 2018-06-14 CN CN201820921219.9U patent/CN208283508U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109655723A (en) * | 2018-12-29 | 2019-04-19 | 国网江苏省电力有限公司电力科学研究院 | A kind of partial discharge detecting sensor for high-tension current inductor |
| CN109655723B (en) * | 2018-12-29 | 2024-03-08 | 国网江苏省电力有限公司电力科学研究院 | Partial discharge detection sensor for high-voltage current transformer |
| CN112946429A (en) * | 2021-01-27 | 2021-06-11 | 云南电网有限责任公司电力科学研究院 | Electromagnetic shielding box for GIS partial discharge optical detection device |
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