CN204666771U - A kind of GIS partial discharge locating device - Google Patents
A kind of GIS partial discharge locating device Download PDFInfo
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- CN204666771U CN204666771U CN201520336822.7U CN201520336822U CN204666771U CN 204666771 U CN204666771 U CN 204666771U CN 201520336822 U CN201520336822 U CN 201520336822U CN 204666771 U CN204666771 U CN 204666771U
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- gis
- electrode slice
- insulation film
- metallic shield
- operational amplifier
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- 238000009413 insulation Methods 0.000 claims abstract description 21
- 230000005540 biological transmission Effects 0.000 claims abstract description 6
- 238000012360 testing method Methods 0.000 abstract description 8
- 238000001514 detection method Methods 0.000 description 4
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Abstract
The utility model discloses a kind of GIS partial discharge locating device, comprise GIS housing and conducting rod, the outer wall of GIS housing is with one deck insulation film, insulation film is pasted with one deck electrode slice, electrode slice is connected with matched impedance, electrode slice is also connected with the positive input of operational amplifier by wire, GIS housing is also in series with stake resistance, stake resistance is connected to the ground by grounded inductor and connects, GIS housing exterior walls is also provided with metallic shield, insulation film, electrode slice, matched impedance, stake resistance, grounded inductor is arranged on metallic shield inside, metallic shield ground connection, the negative input of operational amplifier is connected with metallic shield, the output terminal of operational amplifier is connected with single-chip microcomputer by sample circuit, single-chip microcomputer carries out data transmission by GPRS telecommunication circuit and remote terminal.The utility model can stop the interference of outer signals, realizes remote testing, has a good application prospect.
Description
Technical field
The utility model belongs to electric signal detection technique field, is specifically related to a kind of GIS partial discharge locating device.
Background technology
Closed gas insulation in combined electric appliance (Gas Insulated Switchgear, GIS), has little, the good insulating property of floor area and is widely used in electrical network.But due to its totally enclosed design feature, once there is accident, the consequence score caused is much serious from opening-type equipment, and its fault restoration is particularly complicated.Partial Discharge Detection, contributes to the defect finding GIS device enclosure interior, but, at present, GIS partial discharge locating device on the market, does not also have remote test device, is all to adopt on-the-spot test, wiring is inconvenient, and there is potential safety hazard, and traditional outer overlying electrode method is tested the Partial discharge signal of existing GIS device, easily be subject to extraneous interference, affect testing precision.
Utility model content
The technical matters that the utility model solves is the GIS partial discharge locating device overcoming prior art, is all to adopt on-the-spot test, and wiring is inconvenient, and, be easily subject to extraneous interference, affect the problem of testing precision.
In order to solve the problems of the technologies described above, the technical scheme that the utility model adopts is:
A kind of GIS partial discharge locating device, comprise GIS housing and conducting rod, described conducting rod arranges the inside of GIS housing, it is characterized in that: the outer wall of described GIS housing is with one deck insulation film, described insulation film is pasted with one deck electrode slice, described electrode slice is connected with matched impedance, described electrode slice is also connected with the positive input of operational amplifier by wire, described GIS housing is also in series with stake resistance, described stake resistance is connected to the ground by grounded inductor and connects, described GIS housing exterior walls is also provided with metallic shield, described insulation film, electrode slice, matched impedance, stake resistance, grounded inductor is arranged on metallic shield inside, described metallic shield ground connection, the negative input of described operational amplifier is connected with metallic shield, the output terminal of described operational amplifier is connected with single-chip microcomputer by sample circuit, described single-chip microcomputer carries out data transmission by GPRS telecommunication circuit and remote terminal.
Aforesaid a kind of GIS partial discharge locating device, is characterized in that: the thickness of described insulation film is 3mm, and the thickness of described electrode slice is 2mm.
Aforesaid a kind of GIS partial discharge locating device, is characterized in that: described insulation film, electrode slice form the outer electric capacity of shell of GIS housing.
The beneficial effects of the utility model are: the GIS partial discharge locating device that the utility model provides, GIS housing exterior walls is also provided with metallic shield, insulation film, electrode slice, matched impedance, stake resistance, grounded inductor are arranged on metallic shield inside, the interference of outer signals can be stopped, increase the accuracy of detection of shelf depreciation, and be provided with GPRS telecommunication circuit, data transmission is carried out with remote terminal, realize remote testing, reduce the inconvenience of field wiring, easy to use, have a good application prospect.
Accompanying drawing explanation
Fig. 1 is the structural representation of GIS partial discharge locating device of the present utility model.
The implication of drawing reference numeral is as follows:
1:GIS housing; 2: conducting rod; 3: insulation film; 4: electrode slice; 5: matched impedance; ; 6: metallic shield; 7: stake resistance; 8: grounded inductor; 9: operational amplifier; 10: sample circuit; 11: single-chip microcomputer; 12:GPRS telecommunication circuit; 13: remote terminal.
Embodiment
Below in conjunction with Figure of description, the utility model is further described.
As shown in Figure 1, a kind of GIS partial discharge locating device, comprise GIS housing 1 and conducting rod 2, described conducting rod 2 arranges the inside of GIS housing 1, the outer wall of GIS housing 1 is with one deck insulation film 3, insulation film 3 is pasted with one deck electrode slice 4, the thickness of insulation film 3 is 3mm, the thickness of electrode slice 4 is 2mm, insulation film 3, electrode slice 4 forms the outer electric capacity 14 of shell of GIS housing 1, for Partial discharge signal is carried out capacitive coupling, and by the signal input part matched impedance 5 after coupling, electrode slice 4 is connected with matched impedance 5, electrode slice 4 is also connected by the positive input of wire with operational amplifier 9, GIS housing 1 is also in series with stake resistance 7, described stake resistance 7 is connected to the ground by grounded inductor 8 and connects, GIS housing 1 outer wall is also provided with metallic shield 6, insulation film 3, electrode slice 4, matched impedance 5, stake resistance 7, it is inner that grounded inductor 8 is arranged on metallic shield 6, metallic shield 6 ground connection, metallic shield 6 can stop the interference of outer signals, increase the accuracy of detection of shelf depreciation, the negative input of operational amplifier 9 is connected with metallic shield 6, the output terminal of described operational amplifier 9 is connected with single-chip microcomputer 11 by sample circuit 10, single-chip microcomputer 11 carries out data transmission by GPRS telecommunication circuit 12 and remote terminal 13, data transmission is carried out with remote terminal, realize remote testing, reduce the inconvenience of field wiring, easy to use, have a good application prospect.
More than show and describe ultimate principle of the present utility model, principal character and advantage.The technician of the industry should understand; the utility model is not restricted to the described embodiments; what describe in above-described embodiment and instructions just illustrates principle of the present utility model; under the prerequisite not departing from the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall within the scope of claimed the utility model.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (3)
1. a GIS partial discharge locating device, comprise GIS housing (1) and conducting rod (2), described conducting rod (2) arranges the inside of GIS housing (1), it is characterized in that: the outer wall of described GIS housing (1) is with one deck insulation film (3), described insulation film (3) is pasted with one deck electrode slice (4), described electrode slice (4) is connected with matched impedance (5), described electrode slice (4) is also connected by the positive input of wire with operational amplifier (9), described GIS housing (1) is also in series with stake resistance (7), described stake resistance (7) is connected to the ground by grounded inductor (8) and connects, described GIS housing (1) outer wall is also provided with metallic shield (6), described insulation film (3), electrode slice (4), matched impedance (5), stake resistance (7), it is inner that grounded inductor (8) is arranged on metallic shield (6), described metallic shield (6) ground connection, the negative input of described operational amplifier (9) is connected with metallic shield (6), the output terminal of described operational amplifier (9) is connected with single-chip microcomputer (11) by sample circuit (10), described single-chip microcomputer (11) carries out data transmission by GPRS telecommunication circuit (12) and remote terminal (13).
2. a kind of GIS partial discharge locating device according to claim 1, is characterized in that: the thickness of described insulation film (3) is 3mm, and the thickness of described electrode slice (4) is 2mm.
3. a kind of GIS partial discharge locating device according to claim 1, is characterized in that: described insulation film (3), electrode slice (4) form the outer electric capacity (14) of shell of GIS housing (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520336822.7U CN204666771U (en) | 2015-05-22 | 2015-05-22 | A kind of GIS partial discharge locating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520336822.7U CN204666771U (en) | 2015-05-22 | 2015-05-22 | A kind of GIS partial discharge locating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204666771U true CN204666771U (en) | 2015-09-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520336822.7U Active CN204666771U (en) | 2015-05-22 | 2015-05-22 | A kind of GIS partial discharge locating device |
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| CN (1) | CN204666771U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109814012A (en) * | 2019-01-19 | 2019-05-28 | 北京碧思特科技有限公司 | A kind of gis electric field induction synchronizing device and its synchronous method |
-
2015
- 2015-05-22 CN CN201520336822.7U patent/CN204666771U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109814012A (en) * | 2019-01-19 | 2019-05-28 | 北京碧思特科技有限公司 | A kind of gis electric field induction synchronizing device and its synchronous method |
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