CN206235701U - A kind of local discharge detection device - Google Patents
A kind of local discharge detection device Download PDFInfo
- Publication number
- CN206235701U CN206235701U CN201621133449.6U CN201621133449U CN206235701U CN 206235701 U CN206235701 U CN 206235701U CN 201621133449 U CN201621133449 U CN 201621133449U CN 206235701 U CN206235701 U CN 206235701U
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- CN
- China
- Prior art keywords
- sensor
- coaxial cable
- sensor probe
- flange portion
- cover body
- 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.)
- Expired - Fee Related
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Abstract
The utility model discloses a kind of local discharge detection device, including canister, first flange portion, insulating barrier, coaxial cable connector, sensor, accommodating cavity, insulation cover body and sensor probe, the outer surface of the canister is symmetrically installed with first flange portion and second flange portion, the sensor is provided with sensor probe near the side of insulating barrier, coaxial cable is connected with the sensor probe, and coaxial cable is connected through fixed connector and perforation with coaxial cable connector.Sensor and raised are used cooperatively in the utility model, sensor probe can be fixed on specific position and angle, the depth adjustment of sensor probe can also be carried out, improve accuracy and the flexibility of detection, the insulating element such as insulating barrier, insulation cover body and felt pad avoids the drain that Danger Electric shock risk and tested shelf depreciation occur, and improves and detects accuracy and security.
Description
Technical field
The utility model is related to Partial Discharge Detecting Technology field, specially a kind of local discharge detection device.
Background technology
Shelf depreciation is the important parameter for characterizing Insulating Performance for HV Electric Equipments, is also more effective generation insulation fault
Tendency information, detected by shelf depreciation, the generation of accident can be avoided, and can be that the state-detection of equipment be carried
For maintenance foundation, therefore the detection of shelf depreciation is constantly subjected to extensive concern.Common detection method for local discharge includes high frequency
Current method, superfrequency method, supercritical ultrasonics technology or place ripple method.The influence that the detection of shelf depreciation is often interfered, but office
The spectrum signature and interference noise of portion's discharge signal are different, and above-mentioned conventional detection method for local discharge is each passed with it
The working frequency range of sensor response, but external disturbance is often only distributed in the frequency range of some fixations according to noise source, due to scene
The uncertainty of interference, easily causes above-mentioned conventional detection method for local discharge to fail, and reduces Partial Discharge Detection result
The degree of accuracy.
Utility model content
The purpose of this utility model is to provide a kind of local discharge detection device, to solve to be proposed in above-mentioned background technology
Problem.
To achieve the above object, the utility model provides following technical scheme：A kind of local discharge detection device, including gold
Category container, first flange portion, insulating barrier, coaxial cable connector, sensor, accommodating cavity, insulation cover body and sensor are visited
Head, the inside of the canister through there is a high-pressure conductive body, the outer surface of canister be symmetrically installed with first flange portion and
Second flange portion, the first flange portion is fixedly connected by the straight bolt of length with second flange portion, first flange portion and the second method
Insulating barrier is provided between blue portion, through there is sensor, the sensor is near insulating barrier at the middle part of the insulating barrier
Side is provided with sensor probe, and one end of the sensor probe is connected with high-pressure conductive body sensing, sensor probe it is another
One end is connected with fixed connector, and fixed connector is passed through in accommodating cavity, the one end of the accommodating cavity away from sensor probe
Periphery is installed with metal cover board, and accommodating cavity is installed with insulation cover body near one end periphery of sensor probe, and absolutely
Edge cover body is fixedly connected with metal cover board, and perforation is offered on the side inwall of the insulation cover body, and the sensor probe is leaned on
The one side periphery of nearly fixed connector is provided with felt pad, and coaxial cable, and coaxial cable are connected with sensor probe through solid
Determine connector and perforation is connected with coaxial cable connector, the coaxial cable connector passes through at coaxial cable and signal
Reason device is connected.
Preferably, the insulation cover body is provided with projection near the one side periphery of felt pad, and raised is rotatable mobile knot
Structure.
Preferably, it is provided with sealing ring between the side wall outside of the coaxial cable connector and insulation cover body.
Preferably, the sensor is guided wave tube sensor.
Compared with prior art, the beneficial effects of the utility model are：The utility model simple structure, sensor and projection
Use cooperatively, sensor probe can be fixed on specific position and angle, and the depth that can carry out sensor probe
Degree adjustment, improves accuracy and the flexibility of detection, and the insulating element such as insulating barrier, insulation cover body and felt pad is fine in addition
Avoid generation Danger Electric shock risk, the drain of tested shelf depreciation is it also avoid, this also increases detecting accuracy
And security.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model；
Fig. 2 is the structural representation of sensor in the utility model.
In figure：1- canisters；2- first flanges portion；3- insulating barriers；4- second flanges portion；5- straight bolts long；6- is high
Pressure electric conductor；7- signal processing apparatus；8- coaxial cables；9- coaxial cable connectors；10- sensors；11- metal cover boards；
12- accommodating cavities；13- insulation cover bodies；14- is raised；15- sensor probes；16- felt pads；17- fixed connectors；18- perforates.
Specific embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the utility model, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment for being obtained, belongs to the scope of the utility model protection.
Refer to Fig. 1-2, a kind of embodiment that the utility model is provided：A kind of local discharge detection device, including metal
Container 1, first flange portion 2, insulating barrier 3, coaxial cable connector 9, sensor 10, accommodating cavity 12, insulation cover body 13 and
Sensor probe 15, the inside of canister 1 runs through the outer surface for having high-pressure conductive body 6, canister 1 and is symmetrically installed with first
Flange portion 2 and second flange portion 4, first flange portion 2 are fixedly connected by the straight bolt 5 of length with second flange portion 4, first flange portion
Insulating barrier 3 is provided between 2 and second flange portion 4, through there is sensor 10, sensor 10 is near exhausted at the middle part of insulating barrier 3
The side of edge dividing plate 3 is provided with sensor probe 15, and sensor 10 is guided wave tube sensor, one end and the height of sensor probe 15
The pressure sensing connection of electric conductor 6, the other end of sensor probe 15 is connected with fixed connector 17, and fixed connector 17 is passed through appearance
Put in chamber 12, accommodating cavity 12 is installed with metal cover board 11 away from one end periphery of sensor probe 15, accommodating cavity 12 is close to
One end periphery of sensor probe 15 is installed with insulation cover body 13, and insulation cover body 13 is fixedly connected with metal cover board 11,
Perforation 18 is offered on the side inwall of insulation cover body 13, sensor probe 15 is provided near the one side periphery of fixed connector 17
Felt pad 16, it is rotatable moving structure that insulation cover body 13 is provided with raised 14, and raised 14 near the one side periphery of felt pad 16,
Coaxial cable 8 is connected with sensor probe 15, and coaxial cable 8 is used through fixed connector 17 and perforation 18 with coaxial cable
Connector 9 is connected, and coaxial cable connector 9 is connected by coaxial cable 8 with signal processing apparatus 7, coaxial cable connection
Sealing ring is provided between the side wall outside of device 9 and insulation cover body 13.
Specifically used mode：During using utility model works, first by first flange portion 2, second flange portion 4 and length
Sensor 10 is fixed on the outside of canister 1 by straight bolt 5, the sensor probe 15 pairs then installed by the inside of sensor 10
The high-pressure conductive body 6 run through in canister 1 carries out the detection of shelf depreciation, when mounted, can be by raised 14 movement
Position and the angle adjustment of sensor 10 are realized, it is also possible to realize the depth adjustment of sensor probe 15, so as to realize local putting
The detection of different location in electric scope, can obtain position and angle, the depth and biography of sensor probe 15 of sensor 10
Influence relation of the different detection site of sensor 10 to Partial Discharge Detection, improves its accuracy to Partial Discharge Detection,
The data that will finally detect are transferred to signal processing apparatus 7 by coaxial cable 8, you can collect data and be analyzed treatment
Deng simple to operate.
It is obvious to a person skilled in the art that the utility model is not limited to the details of above-mentioned one exemplary embodiment, and
And in the case of without departing substantially from spirit or essential attributes of the present utility model, can in other specific forms realize that this practicality is new
Type.Therefore, no matter from the point of view of which point, embodiment all should be regarded as exemplary, and is nonrestrictive, this practicality is new
The scope of type limits by appended claims rather than described above, it is intended that the equivalency fallen in claim is contained
All changes in justice and scope are included in the utility model.Any reference in claim should not be considered as limitation
Involved claim.
Claims (4)
1. a kind of local discharge detection device, including canister (1), first flange portion (2), insulating barrier (3), coaxial cable
With connector (9), sensor (10), accommodating cavity (12), insulation cover body (13) and sensor probe (15), it is characterised in that：Institute
The inside for stating canister (1) is symmetrically installed with first flange through the outer surface for having high-pressure conductive body (6), canister (1)
Portion (2) and second flange portion (4), the first flange portion (2) are fixedly connected by the straight bolt (5) of length with second flange portion (4),
Insulating barrier (3) is provided between first flange portion (2) and second flange portion (4), the middle part of the insulating barrier (3) is run through biography
Sensor (10), the sensor (10) is provided with sensor probe (15) near the side of insulating barrier (3), and the sensor is visited
One end of head (15) is connected with high-pressure conductive body (6) sensing, the other end and fixed connector (17) phase of sensor probe (15)
Even, and fixed connector (17) is passed through in accommodating cavity (12), the accommodating cavity (12) away from one end of sensor probe (15) outside
Enclose and be installed with metal cover board (11), accommodating cavity (12) is installed with insulation near one end periphery of sensor probe (15)
Cover body (13), and insulation cover body (13) be fixedly connected with metal cover board (11), it is described insulate cover body (13) side inwall on open
Perforation (18) is provided with, the sensor probe (15) is provided with felt pad (16) near the one side periphery of fixed connector (17), passes
Be connected with coaxial cable (8) on sensor probe (15), and coaxial cable (8) through fixed connector (17) and perforate (18) with it is same
Shaft cable is connected with connector (9), and the coaxial cable connector (9) is by coaxial cable (8) and signal processing apparatus (7)
It is connected.
2. a kind of local discharge detection device according to claim 1, it is characterised in that：Insulation cover body (13) is close to
The one side periphery of felt pad (16) is provided with raised (14), and raised (14) are rotatable moving structure.
3. a kind of local discharge detection device according to claim 1, it is characterised in that：The coaxial cable connector
(9) it is provided with sealing ring and the side wall outside of insulation cover body (13) between.
4. a kind of local discharge detection device according to claim 1, it is characterised in that：The sensor (10) is guided wave
Tube sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621133449.6U CN206235701U (en) | 2016-10-18 | 2016-10-18 | A kind of local discharge detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621133449.6U CN206235701U (en) | 2016-10-18 | 2016-10-18 | A kind of local discharge detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206235701U true CN206235701U (en) | 2017-06-09 |
Family
ID=58982487
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621133449.6U Expired - Fee Related CN206235701U (en) | 2016-10-18 | 2016-10-18 | A kind of local discharge detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206235701U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107196080A (en) * | 2017-06-23 | 2017-09-22 | 秉岳电气(上海)有限公司 | Cable connector |
| CN110346700A (en) * | 2019-07-31 | 2019-10-18 | 国网上海市电力公司 | Transformer drain the oil valve type partial discharge monitoring with positioning system compound sensor |
-
2016
- 2016-10-18 CN CN201621133449.6U patent/CN206235701U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107196080A (en) * | 2017-06-23 | 2017-09-22 | 秉岳电气(上海)有限公司 | Cable connector |
| CN110346700A (en) * | 2019-07-31 | 2019-10-18 | 国网上海市电力公司 | Transformer drain the oil valve type partial discharge monitoring with positioning system compound sensor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170609 Termination date: 20171018 |