CN204666772U - A kind of shelf depreciation In-circiut tester - Google Patents
A kind of shelf depreciation In-circiut tester Download PDFInfo
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- CN204666772U CN204666772U CN201520341593.8U CN201520341593U CN204666772U CN 204666772 U CN204666772 U CN 204666772U CN 201520341593 U CN201520341593 U CN 201520341593U CN 204666772 U CN204666772 U CN 204666772U
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- high frequency
- frequency sensors
- coupling mechanism
- shelf depreciation
- terminal
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- 230000008878 coupling Effects 0.000 claims abstract description 20
- 238000010168 coupling process Methods 0.000 claims abstract description 20
- 238000005859 coupling reaction Methods 0.000 claims abstract description 20
- 230000007246 mechanism Effects 0.000 claims abstract description 20
- 238000004891 communication Methods 0.000 claims abstract description 17
- 238000006243 chemical reaction Methods 0.000 claims abstract description 16
- 239000002184 metal Substances 0.000 claims abstract description 16
- VMQPMGHYRISRHO-UHFFFAOYSA-N benzvalene Chemical group C1=CC2C3C1C32 VMQPMGHYRISRHO-UHFFFAOYSA-N 0.000 claims abstract description 8
- 238000001514 detection method Methods 0.000 abstract description 10
- 238000012360 testing method Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- Testing Relating To Insulation (AREA)
Abstract
The utility model discloses a kind of shelf depreciation In-circiut tester, benzvalene form insulated terminal is provided with in GIS housing, the GIS housing of the end of benzvalene form insulated terminal is provided with metallic shield and windows, coupling mechanism is fixed on metallic shield and windows end, coupling mechanism is connected with high frequency sensors by conversion connector, shielded metal cover is arranged on GIS outside, coupling mechanism, conversion connector, high frequency sensors is arranged in shielded metal cover, the output terminal of high frequency sensors is connected with oscillographic input channel by telecommunication cable, also comprise collecting unit, communication unit, high frequency sensors is also connected with communication unit by collecting unit, communication unit is connected with terminal by serial communication line.The utility model adds in shielded metal cover, can stop the interference of extraneous high-frequency signal, increases the accuracy of detection of shelf depreciation, and is connected with oscillograph, terminal, is convenient to detect analyze, and structure is simple, has a good application prospect.
Description
Technical field
The utility model relates to a kind of shelf depreciation In-circiut tester, belongs to electric signal detection technique field.。
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, contribute to the defect finding GIS device enclosure interior, but, current shelf depreciation on-line testing equipment, for the GIS device run, the external high frequency sensors that adopts carries out local discharge signal detection more, but, external high frequency sensors, in testing process, is easily subject to the interference of extraneous high-frequency signal, affects the accuracy of detection of shelf depreciation.
Utility model content
The utility model object is to overcome existing shelf depreciation on-line testing equipment, adopts external high frequency sensors in testing process, is easily subject to the interference of extraneous high-frequency signal, affects the accuracy of detection of shelf depreciation.Shelf depreciation In-circiut tester of the present utility model, coupling mechanism, conversion connector, high frequency sensors are arranged in shielded metal cover, the interference of extraneous high-frequency signal can be stopped, increase the accuracy of detection of shelf depreciation, and be connected with oscillograph, terminal, be convenient to detect and analyze, structure is simple, has a good application prospect.
In order to achieve the above object, the technical scheme that the utility model adopts is:
A kind of shelf depreciation In-circiut tester, it is characterized in that: comprise GIS housing, coupling mechanism, conversion connector, high frequency sensors, shielded metal cover, telecommunication cable and oscillograph, benzvalene form insulated terminal is provided with in described GIS housing, the GIS housing of the end of described benzvalene form insulated terminal is provided with metallic shield and windows, described coupling mechanism is fixed on metallic shield and windows end, described coupling mechanism is connected with high frequency sensors by conversion connector, described shielded metal cover is arranged on GIS outside, described coupling mechanism, conversion connector, high frequency sensors is arranged in shielded metal cover, the output terminal of described high frequency sensors is connected with oscillographic input channel by telecommunication cable.
Aforesaid a kind of shelf depreciation In-circiut tester, is characterized in that: the impedance matching of described telecommunication cable is 50 Ω.
Aforesaid a kind of shelf depreciation In-circiut tester, it is characterized in that: also comprise collecting unit, communication unit, described high frequency sensors is also connected with communication unit by collecting unit, and described communication unit is connected with terminal by serial communication line.
The beneficial effects of the utility model are: shelf depreciation In-circiut tester of the present utility model, coupling mechanism, conversion connector, high frequency sensors are arranged in shielded metal cover, the interference of extraneous high-frequency signal can be stopped, increase the accuracy of detection of shelf depreciation, and be connected with oscillograph, terminal, be convenient to detect and analyze, structure is simple, has a good application prospect.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of shelf depreciation In-circiut tester of the present utility model.
The implication marked in accompanying drawing is as follows:
1:GIS housing; 2: coupling mechanism; 3: conversion connector; 4: high frequency sensors; 5: shielded metal cover; 6: telecommunication cable; 7: oscillograph; 8: collecting unit; 9: communication unit; 10: metallic shield is windowed; 11: terminal.
Embodiment
Below in conjunction with Figure of description, the utility model is described further.Following examples only for clearly the technical solution of the utility model being described, and can not limit protection domain of the present utility model with this.
As shown in Figure 1, shelf depreciation In-circiut tester of the present utility model, comprise GIS housing 1, coupling mechanism 2, conversion connector 3, high frequency sensors 4, shielded metal cover 5, telecommunication cable 6 and oscillograph 7, benzvalene form insulated terminal is provided with in GIS housing 1, the GIS housing 1 of the end of benzvalene form insulated terminal is provided with metallic shield and windows 10, coupling mechanism 2 is fixed on metallic shield and windows 10 ends, coupling mechanism 2 is connected with high frequency sensors 4 by conversion connector 3, coupling mechanism 2 is for being coupled Partial discharge signal, and by conversion connector 3 converting transmission to high frequency sensors 4, it is outside that shielded metal cover 5 is arranged on GIS housing 1, coupling mechanism 2, conversion connector 3, high frequency sensors 4 is arranged in shielded metal cover 5, the interference of extraneous high-frequency signal can be stopped, increase the accuracy of detection of shelf depreciation, the output terminal of high frequency sensors 4 is connected by the input channel of telecommunication cable 6 with oscillograph 7.
The impedance matching of described telecommunication cable 6 is 50 Ω, matches, for detecting Partial discharge signal with the oscillograph 7 be connected.
Shelf depreciation In-circiut tester of the present utility model, also comprise collecting unit 8, communication unit 9, high frequency sensors 4 is also connected with communication unit 9 by collecting unit 8, communication unit 9 is connected with terminal 11 by serial communication line, and terminal 11 is for analyzing the position of local discharge signal.
In sum, shelf depreciation In-circiut tester of the present utility model, coupling mechanism, conversion connector, high frequency sensors are arranged in shielded metal cover, the interference of extraneous high-frequency signal can be stopped, increase the accuracy of detection of shelf depreciation, and be connected with oscillograph, terminal, be convenient to detect and analyze, structure is simple, has 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 shelf depreciation In-circiut tester, it is characterized in that: comprise GIS housing (1), coupling mechanism (2), conversion connector (3), high frequency sensors (4), shielded metal cover (5), telecommunication cable (6) and oscillograph (7), benzvalene form insulated terminal is provided with in described GIS housing (1), the GIS housing (1) of the end of described benzvalene form insulated terminal is provided with metallic shield and windows (10), described coupling mechanism (2) is fixed on metallic shield and windows (10) end, described coupling mechanism (2) is connected with high frequency sensors (4) by conversion connector (3), it is outside that described shielded metal cover (5) is arranged on GIS housing (1), described coupling mechanism (2), conversion connector (3), high frequency sensors (4) is arranged in shielded metal cover (5), the output terminal of described high frequency sensors (4) is connected by the input channel of telecommunication cable (6) with oscillograph (7).
2. a kind of shelf depreciation In-circiut tester according to claim 1, is characterized in that: the impedance matching of described telecommunication cable (6) is 50 Ω.
3. a kind of shelf depreciation In-circiut tester according to claim 1, it is characterized in that: also comprise collecting unit (8), communication unit (9), described high frequency sensors (4) is also connected with communication unit (9) by collecting unit (8), and described communication unit (9) is connected with terminal (11) by serial communication line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520341593.8U CN204666772U (en) | 2015-05-25 | 2015-05-25 | A kind of shelf depreciation In-circiut tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520341593.8U CN204666772U (en) | 2015-05-25 | 2015-05-25 | A kind of shelf depreciation In-circiut tester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204666772U true CN204666772U (en) | 2015-09-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520341593.8U Active CN204666772U (en) | 2015-05-25 | 2015-05-25 | A kind of shelf depreciation In-circiut tester |
Country Status (1)
| Country | Link |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106291266A (en) * | 2015-05-25 | 2017-01-04 | 国家电网公司 | A kind of shelf depreciation In-circiut tester |
| CN107462852A (en) * | 2017-06-22 | 2017-12-12 | 广西电网有限责任公司电力科学研究院 | A kind of scaling method of high frequency partial discharge examination instrument parameter |
| CN107505552A (en) * | 2017-10-16 | 2017-12-22 | 云南电网有限责任公司电力科学研究院 | The lower shelf depreciation high-frequency signal extraction element of steep-front impact and measuring system |
| CN113671325A (en) * | 2021-08-18 | 2021-11-19 | 云南电网有限责任公司大理供电局 | Terminal partial discharge monitoring method and system based on high-frequency electric field change |
-
2015
- 2015-05-25 CN CN201520341593.8U patent/CN204666772U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106291266A (en) * | 2015-05-25 | 2017-01-04 | 国家电网公司 | A kind of shelf depreciation In-circiut tester |
| CN107462852A (en) * | 2017-06-22 | 2017-12-12 | 广西电网有限责任公司电力科学研究院 | A kind of scaling method of high frequency partial discharge examination instrument parameter |
| CN107505552A (en) * | 2017-10-16 | 2017-12-22 | 云南电网有限责任公司电力科学研究院 | The lower shelf depreciation high-frequency signal extraction element of steep-front impact and measuring system |
| CN113671325A (en) * | 2021-08-18 | 2021-11-19 | 云南电网有限责任公司大理供电局 | Terminal partial discharge monitoring method and system based on high-frequency electric field change |
| CN113671325B (en) * | 2021-08-18 | 2022-10-11 | 云南电网有限责任公司大理供电局 | Terminal partial discharge monitoring method and system based on high-frequency electric field change |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |