CN203241506U - Sensor for partial discharge detection on high-voltage switch cabinet - Google Patents
Sensor for partial discharge detection on high-voltage switch cabinet Download PDFInfo
- Publication number
- CN203241506U CN203241506U CN 201320147188 CN201320147188U CN203241506U CN 203241506 U CN203241506 U CN 203241506U CN 201320147188 CN201320147188 CN 201320147188 CN 201320147188 U CN201320147188 U CN 201320147188U CN 203241506 U CN203241506 U CN 203241506U
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- sensor
- switch cabinet
- partial discharge
- housing
- output port
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Abstract
The utility model discloses a sensor for partial discharge detection on a high-voltage switch cabinet. The sensor comprises a shell, a filler, a capacitance coupler, a plurality of strong magnets, a signal lead-out wire and a signal output port, wherein the capacitance coupler is fixed on the inner surface of one side plate of the shell; each strong magnet is fixed in the shell and arranged on the inner surface of the same side plate with the capacitance coupler; the signal lead-out wire is installed in the shell, one end of the signal lead-out wire is connected with the capacitance coupler, and the other end of the signal lead-out wire is connected with the signal output port; the signal output port is formed in the shell; and the filler is filled between the shell and the capacitance coupler, between the shell and the strong magnets, between the shell and the signal lead-out wire, and between the shell and the signal output port. The sensor disclosed by the utility model is capable of being firmly adsorbed on the surface of a to-be-detected switch cabinet to detect a ground electric wave signal generated by the partial discharge of the switch cabinet, so as to guarantee the safety of associated equipment and personal.
Description
Technical field
The utility model relates to a kind of sensor for the high-tension switch cabinet Partial Discharge Detection, belongs to the detection technique field.
Background technology
Switch cubicle is visual plant commonly used in the electric system, when existing insulation defect, inside switch cabinet can produce shelf depreciation, by can effectively judge the state of insulation of switchgear to the detection of shelf depreciation, it is significant to the safe and stable operation of guaranteeing switch cubicle effectively to detect shelf depreciation.
At present in the detection method of inside switch cabinet local discharge signal, ground electric wave method be realize at present that partial discharge of switchgear detects and monitoring rate than the method for practical.The sensing range of ground electric wave method is wider, and is quick and convenient to detection, location, the monitoring of switch cubicle local discharge signal.Ground electric wave method is because it having irreplaceable advantage aspect the partial discharge of switchgear on-line monitoring, has become the Main Means that switch cubicle moves on-the-spot Partial Discharge Detection in recent years.
The on-the-spot ground electric wave method of utilizing is patrolled and examined, usually mode is: staff's handheld test instrument, sensor is built in the instrument, during detection sensor vertically is close to the different position of high-tension switch cabinet shell, guarantee the close contact of sensor and equipment under test shell, observe simultaneously the shown data of detecting instrument.Under this detection mode, testing staff's health might directly touch high-tension switch cabinet itself, has certain potential safety hazard; There is certain skew in position owing to the each detection of artificial origin when placing in addition, and can not guarantee the close contact of sensor and tested device housings, causes testing result deviation to occur, thus validity and accuracy that impact detects.
Summary of the invention
The purpose of this utility model is to overcome the defective of prior art and a kind of sensor for the high-tension switch cabinet Partial Discharge Detection is provided, can firmly be adsorbed on the high-tension switch cabinet surface to be detected, guarantee the close contact of sensor and tested device housings, the ground electric wave signal of effectively, accurately detector switch cabinet shelf depreciation generation, avoid testing staff's health directly to touch high-tension switch cabinet itself, guarantee the safety of relevant device and the person.
The technical scheme that realizes above-mentioned purpose is:
A kind of sensor for the high-tension switch cabinet Partial Discharge Detection comprises housing, filling material, capacity coupler, some strong magnets, signal extension line and signal output port, wherein:
Described capacity coupler is fixed on the inside surface of side plate of described housing;
Described each strong magnet is fixed in the described housing and with described capacity coupler and is located on the inside surface of same side plate;
Described signal extension line is installed in the described housing, and an end of this signal extension line links to each other with capacity coupler, and the other end links to each other with signal output port;
Described signal output port is installed in the described housing;
Described filling material is filled between described housing and the capacity coupler, between housing and the strong magnet, between housing and the signal extension line and between housing and the signal output port.
The above-mentioned sensor that is used for the high-tension switch cabinet Partial Discharge Detection, wherein, described capacity coupler is fixed on the centre position on the inside surface of side plate of described housing, described each strong magnet be distributed on described capacity coupler around.
The above-mentioned sensor that is used for the high-tension switch cabinet Partial Discharge Detection, wherein, described capacity coupler is metal material.
The above-mentioned sensor that is used for the high-tension switch cabinet Partial Discharge Detection, wherein, described capacity coupler be shaped as square, rectangle or circle.
The above-mentioned sensor that is used for the high-tension switch cabinet Partial Discharge Detection, wherein, described filling material is the insulation material.
The above-mentioned sensor that is used for the high-tension switch cabinet Partial Discharge Detection, wherein, described insulation material is epoxy resin.
Sensor for the high-tension switch cabinet Partial Discharge Detection of the present utility model compared with prior art, can firmly be adsorbed on the switch cubicle surface to be detected, guarantee the close contact of sensor and tested device housings, effectively, the ground electric wave signal of accurately detector switch cabinet shelf depreciation generation; Avoid testing staff's health directly to touch high-tension switch cabinet itself, guarantee the safety of relevant device and the person; Sensor integral body insulate and covers casting simultaneously, has improved integral insulation level and the sealing property of sensor.
Description of drawings
Fig. 1 is the structural representation of sensor of the present utility model.
Embodiment
In order to make those skilled in the art can understand better the technical solution of the utility model, below in conjunction with accompanying drawing its embodiment is described in detail:
See also Fig. 1, the sensor for the high-tension switch cabinet Partial Discharge Detection of the present utility model comprises housing 5, filling material 4, capacity coupler 1, some strong magnets 2, signal extension line 3 and signal output port 6.
Capacity coupler 1 is close on the inside surface of side plate of housing 5, the ground electric wave signal that produces during for detection of the high-tension switch cabinet shelf depreciation.Each strong magnet 2 is fixed in the housing 5 and with capacity coupler 1 and is located on the inside surface of same side plate, sensor is by the strong magnet 2 firm switch cubicle surfaces that are adsorbed on, the ground electric wave signal of effectively, accurately detector switch cabinet shelf depreciation generation, avoid testing staff's health to contact with the direct of switch cabinet body, guarantee the safety of relevant device and the person.
Signal extension line 3 is installed in the housing 5, and an end of this signal extension line 3 links to each other with capacity coupler 1, and the other end links to each other with signal output port 6; Signal output port 6 is installed in the housing 5.Signal extension line 3 outputs to signal output port 6 with the ground electric wave signal that capacity coupler 1 detects.
Filling material 4 is filled between described housing 5 and the capacity coupler 1, between housing 5 and the strong magnet 2, between housing 5 and the signal extension line 3 and between housing 5 and the signal output port 6, capacity coupler 1, strong magnet 2, signal extension line 3 and signal output port 6 in 4 pairs of housings of filling material 5 carries out closed and fixed, improves dielectric level and the sealing property of sensor integral body.
Further, capacity coupler 1 is fixed on the centre position on the inside surface of side plate of housing 5, and the number of strong magnet 2 is at least one, each strong magnet 2 be distributed on capacity coupler 1 around.
Further, capacity coupler 1 is metal material; The shape of capacity coupler adopts square, rectangle or circle.
Further, filling material 4 can adopt epoxy resin for the insulation material.
When assembling, first capacity coupler 1, strong magnet 2, signal extension line 3 and signal output port 6 are fixed in the housing 5 by gluing mode, insulating with 4 pairs of enclosure interior of filling material covers casting again.
When test, sensor is adsorbed on the surface of high-tension switch cabinet by built-in strong magnet 2, the ground electric wave signal that capacity coupler 1 produces when detecting the high-tension switch cabinet shelf depreciation, and by signal extension line 3 the ground electric wave signal is transported to signal output port 6, the ground electric wave signal that local discharge detection device gathers from signal output port 6 survey sensors, and the base area electric wave signal is judged the insulation status of switch cubicle.
In sum, sensor of the present utility model can firmly be adsorbed on the switch cubicle surface to be detected, guarantees the close contact of sensor and tested device housings, effectively, the ground electric wave signal of accurately detector switch cabinet shelf depreciation generation; Avoid testing staff's health directly to touch high-tension switch cabinet itself, guarantee the safety of relevant device and the person; Sensor integral body insulate and covers casting simultaneously, has improved integral insulation level and the sealing property of sensor.
Above embodiment is only for illustration of the utility model, but not to restriction of the present utility model, person skilled in the relevant technique, in the situation that does not break away from spirit and scope of the present utility model, can also make various conversion or modification, therefore all technical schemes that are equal to also should belong to category of the present utility model, should be limited by each claim.
Claims (6)
1. a sensor that is used for the high-tension switch cabinet Partial Discharge Detection is characterized in that described sensor comprises housing, filling material, capacity coupler, some strong magnets, signal extension line and signal output port, wherein:
Described capacity coupler is fixed on the inside surface of side plate of described housing;
Described each strong magnet is fixed in the described housing and with described capacity coupler and is located on the inside surface of same side plate;
Described signal extension line is installed in the described housing, and an end of this signal extension line links to each other with capacity coupler, and the other end links to each other with signal output port;
Described signal output port is installed in the described housing;
Described filling material is filled between described housing and the capacity coupler, between housing and the strong magnet, between housing and the signal extension line and between housing and the signal output port.
2. the sensor for the high-tension switch cabinet Partial Discharge Detection according to claim 1, it is characterized in that, described capacity coupler is fixed on the centre position on the inside surface of side plate of described housing, described each strong magnet be distributed on described capacity coupler around.
3. the sensor for the high-tension switch cabinet Partial Discharge Detection according to claim 1 and 2 is characterized in that, described capacity coupler is metal material.
4. the sensor for the high-tension switch cabinet Partial Discharge Detection according to claim 3 is characterized in that, described capacity coupler be shaped as square, rectangle or circle.
5. the sensor for the high-tension switch cabinet Partial Discharge Detection according to claim 1 is characterized in that, described filling material is the insulation material.
6. the sensor for the high-tension switch cabinet Partial Discharge Detection according to claim 5 is characterized in that, described insulation material is epoxy resin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320147188 CN203241506U (en) | 2013-03-28 | 2013-03-28 | Sensor for partial discharge detection on high-voltage switch cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320147188 CN203241506U (en) | 2013-03-28 | 2013-03-28 | Sensor for partial discharge detection on high-voltage switch cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203241506U true CN203241506U (en) | 2013-10-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320147188 Expired - Lifetime CN203241506U (en) | 2013-03-28 | 2013-03-28 | Sensor for partial discharge detection on high-voltage switch cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203241506U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103217633A (en) * | 2013-03-28 | 2013-07-24 | 国家电网公司 | Sensor for detecting local discharge of high-voltage switch cabinet |
| CN105577243A (en) * | 2015-12-16 | 2016-05-11 | 北京橙鑫数据科技有限公司 | User equipment and data transmission method |
| CN114167236A (en) * | 2021-11-30 | 2022-03-11 | 大唐东北电力试验研究院有限公司 | Multi-shape-adaptive external partial discharge detection device and detection method |
-
2013
- 2013-03-28 CN CN 201320147188 patent/CN203241506U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103217633A (en) * | 2013-03-28 | 2013-07-24 | 国家电网公司 | Sensor for detecting local discharge of high-voltage switch cabinet |
| CN105577243A (en) * | 2015-12-16 | 2016-05-11 | 北京橙鑫数据科技有限公司 | User equipment and data transmission method |
| CN105577243B (en) * | 2015-12-16 | 2018-05-01 | 北京橙鑫数据科技有限公司 | User equipment and data transmission method |
| CN114167236A (en) * | 2021-11-30 | 2022-03-11 | 大唐东北电力试验研究院有限公司 | Multi-shape-adaptive external partial discharge detection device and detection method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20131016 |