CN203616429U - Voltage test apparatus - Google Patents
Voltage test apparatus Download PDFInfo
- Publication number
- CN203616429U CN203616429U CN201320707821.XU CN201320707821U CN203616429U CN 203616429 U CN203616429 U CN 203616429U CN 201320707821 U CN201320707821 U CN 201320707821U CN 203616429 U CN203616429 U CN 203616429U
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- China
- Prior art keywords
- voltage test
- sleeve pipe
- test device
- inner cone
- connecting link
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- 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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- 238000012360 testing method Methods 0.000 title claims abstract description 70
- 239000004020 conductor Substances 0.000 claims abstract description 22
- 238000009413 insulation Methods 0.000 claims abstract description 9
- 239000012212 insulator Substances 0.000 claims description 11
- 239000000463 material Substances 0.000 claims description 8
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims description 4
- 229910052737 gold Inorganic materials 0.000 claims description 4
- 239000010931 gold Substances 0.000 claims description 4
- 239000003822 epoxy resin Substances 0.000 claims description 3
- 229920000647 polyepoxide Polymers 0.000 claims description 3
- 238000009434 installation Methods 0.000 abstract description 10
- 238000003780 insertion Methods 0.000 abstract 2
- 230000037431 insertion Effects 0.000 abstract 2
- 230000000694 effects Effects 0.000 description 8
- 230000005684 electric field Effects 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 229920002379 silicone rubber Polymers 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- Testing Relating To Insulation (AREA)
Abstract
The utility model provides a voltage test apparatus. The test apparatus is connected with an inner-cone plug-in terminal. The apparatus comprises a casing pipe, a conductive insertion component and a grading ring. A lower end of the casing pipe forms sleeve connection with the inner-cone plug-in terminal and the two realize electric connection. The conductive insertion component is arranged in the casing pipe and comprises a conductor which is electrically connected with the inner-cone plug-in terminal and a connecting rod whose one end is electrically connected with the conductor. The other end of the connecting rod is stretched out of the casing pipe and is used for introducing a high voltage. The grading ring is connected with the other end of the connecting rod and is arranged on an upper end of the casing pipe. The voltage test apparatus of the utility model possesses the following characteristics that the structure is compact; a insulation creep distance is large; the weight is light; installation is simple; performance is good; usage is reliable and so on; a withstand voltage test on an on-site installation cable line to a 66kV and 110kV inner-cone plug-in terminal (GIS/transformer terminal) can be realized, which is conductive to wide popularization and promotion.
Description
Technical field
The utility model relates to a kind of electric cable fitting, more particularly, relates to a kind of voltage test device.
Background technology
66kV and 110kV inner cone plugging formula terminal (GIS/ transformer terminal) need to be carried out withstand voltage test to it after erecting stage and cable are made.Have and at present terminal is carried out to the main method that withstand voltage test adopts: 1) cable is directly inserted in the inner cone insulator (socket) of GIS/ transformer equipment and carry out Insulation test; 2) cable is inserted into the SF6 gas test device that inner cone insulator is installed and carries out Insulation test; 3) cable is inserted into existing voltage test socket and carries out Insulation test.
The subject matter that adopts said method to exist is:
1) adopt the interior method of inner cone insulator (socket) of cable directly being inserted to GIS/ transformer equipment, although process of the test is simple, test by rear just without plugging again installation, but empirical risk is large, if cable is made and or the installation quality of inner cone plugging formula terminal have problem, just there will be creepage or punch-through, GIS/ transformer equipment is caused damage, lose quite large.
2) adopt the method that is inserted into SF6 gas test device, install simply, test effect is good, but because this device belongs to pressure vessel, transportation is inconvenient, also can exist SF6 Leakage Gas to cause the pollution to atmosphere.
3) adopt the method that is inserted into existing voltage test socket, test effect guarantees, but existing voltage test socket volume is large and heavy, and carrying is inconvenient, and when test, installation strength is large.
Therefore, need to develop the voltage test device of a kind of good product performance, simple installation, lightweight, experimental safe, to meet the testing requirements of erecting stage inner cone plugging formula terminal withstand voltage test.
Utility model content
The purpose of this utility model is to overcome shortcoming of the prior art with not enough, a kind of compact conformation is provided, performance is good, use is reliable, simple installation and lightweight voltage test device, this voltage test device has facilitated the withstand voltage test on installing cables circuit at the scene of 66kV and 110kV inner cone plugging formula terminal (GIS/ transformer terminal), to improve the effect of terminal withstand voltage test and to guarantee the quality of withstand voltage test.
In order to achieve the above object, the utility model is achieved by following technical proposals: a kind of voltage test device, be connected with inner cone plugging formula terminal, and it is characterized in that: comprise sleeve pipe, conductive insert and grading ring; The lower end of described sleeve pipe socket-connects with inner cone plugging formula terminal and realizes and being electrically connected; Described conductive insert is arranged in sleeve pipe, and it comprises the connecting link that the conductor that is electrically connected with inner cone plugging formula terminal and one end are electrically connected with conductor; It is outer for introducing high voltage that the other end of described connecting link stretches out sleeve pipe; Described grading ring is connected with the connecting link other end and is arranged on sleeve pipe upper end.
In such scheme, voltage test device of the present utility model directly be provided with after the inner cone plugging formula terminal plug-in mounting of cable, introduce high pressure from the connecting link of voltage test device again, can realize the inner cone plugging formula terminal on cable line is carried out to effective withstand voltage test.This test unit is connected to form by sleeve pipe, conductive insert and grading ring, its compact conformation, uses reliable, simple installation and lightweight, thereby increases work efficiency and reduce experimentation cost.
More particularly, described sleeve pipe lower end is provided with and the inner cone jack of the suitable socket of inner cone plugging formula terminal.Inner cone jack of the present utility model is as the interface being connected with inner cone plugging formula terminal.
The utility model voltage test device also comprises shading ring, and described shading ring is electrically connected with conductor; Described shading ring is made up of nonmagnetic material or semiconductive material.Shading ring plays the effect of the complicated Electric Field Distribution of even inner conductor junction.
Described connecting link two ends are helicitic texture; Described conductors cross is down cup-shaped, and its upper surface is designed with connecting link one end and realizes the threaded hole being electrically connected, and lower surface is provided with connecting hole.The material of connecting link and conductor can be aluminium alloy or copper material.The threaded one end structure of connecting link of the present utility model suitable with the threaded hole of conductor and realize be electrically connected.
In order to realize better the utility model, the conduction gold utensil of the connecting hole of described conductor and inner cone plugging formula terminal is suitable.
Described grading ring is connected with the connecting link other end and is arranged on sleeve pipe upper end and refers to, grading ring is threaded with the connecting link other end by nut and is fixedly mounted on sleeve pipe upper end.The connecting link other end helicitic texture of this voltage test device stretches out outside sleeve pipe, for fixing grading ring and introducing high voltage; Grading ring is threaded with the connecting link other end by nut and is fixedly mounted on the electric field that sleeve pipe upper end can be used for shielding the impact of external electrical field and evenly introduces high pressure.
The utility model also comprises the threaded insert for fixing inner cone plugging formula terminal and the socket of sleeve pipe lower end.On this threaded insert, be processed with threaded hole, inner cone plugging formula terminal realizes fixedly sleeved with sleeve pipe lower end by fixtures such as threaded hole and suitable screws.
Described bushing outer surface is provided with the full skirt for increasing insulation creep distance; The sleeve pipe xsect that is provided with full skirt is turriform.The structure that this full skirt is arranged on bushing outer surface can play the effect that increases insulation creep distance.
Described inside pipe casing is provided with the insulator of being made up of epoxy resin.The setting of insulator can further improve the security performance of this test unit, and simultaneously shading ring of the present utility model is cast in insulator together with after assembling with conductive insert being.
Compared with prior art, the utlity model has following advantage and beneficial effect:
1, voltage test apparatus structure compactness of the present utility model, due to the structural design of multi-parachute skirt, has highly shortened, and insulation creep distance increased, so lightweight, simple installation; Performance is good, uses reliable.
2, voltage test device of the present utility model adopts without SF6 gas formation, safety, environmental protection; And this voltage test device has improved the effect of terminal withstand voltage test and has guaranteed the quality of withstand voltage test.
3, test unit applicability of the present utility model is wide, can realize the withstand voltage test on installing cables circuit at the scene of 66kV and 110kV inner cone plugging formula terminal (GIS/ transformer terminal), is conducive to that it is extensively universal and promote.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model voltage test device;
Fig. 2 is the structural representation of the conductive insert of the utility model voltage test device;
Wherein, 1 is that sleeve pipe, 2 is that grading ring, 3 is that shading ring, 4 is that conductive insert, 5 is that threaded insert, 6 is that insulator, 7 is that inner cone jack, 8 is that connecting link, 9 is that conductor, 10 is that connecting hole, 11 is that inner cone plugging formula terminal, 12 is that cable, 13 is that nut, 14 is that screw, 15 is full skirt.
Embodiment
Below in conjunction with accompanying drawing and embodiment, the utility model is described in further detail.
Embodiment
As shown in Figure 1, this voltage test device is connected with inner cone plugging formula terminal 11 structural representation of the utility model voltage test device, comprises sleeve pipe 1, conductive insert 4 and grading ring 2; Wherein, sleeve pipe 1 lower end is provided with the inner cone jack 7 with the 11 suitable sockets of inner cone plugging formula terminal, is electrically connected with inner cone plugging formula terminal 11 with the lower end of realizing sleeve pipe 1.Conductive insert 4 is arranged in sleeve pipe 1, and comprises the connecting link 8 that the conductor 9 that is electrically connected with inner cone plugging formula terminal 11 and one end are electrically connected with conductor 9; It is outer for introducing high voltage that the other end of connecting link 8 stretches out sleeve pipe 1; And grading ring 2 is connected with connecting link 8 other ends and be arranged on sleeve pipe 1 upper end.
In order to make voltage test device play the effect of the complicated Electric Field Distribution of even inner conductor junction, the utility model voltage test device also comprises the shading ring 3 being electrically connected with conductor 9, and this shading ring 3 can be made by nonmagnetic material or by semiconductive material.
As depicted in figs. 1 and 2, connecting link 8 two ends are helicitic texture; The xsect of conductor 9 is down cup-shaped, its upper surface is designed with connecting link 8 one end and realizes the threaded hole being electrically connected, lower surface is provided with the connecting hole 10 suitable with the conduction gold utensil of inner cone plugging formula terminal 11, thereby connecting hole 10 is realized being electrically connected of conductor 9 and inner cone plugging formula terminal 11 with suitable connection of conduction gold utensil.The helicitic texture of connecting link 8 other ends of the utility model voltage test device stretches out outside sleeve pipe 1, for fixing grading ring 2 and introducing high voltage; And grading ring 2 screws in by nut 13 upper end that connecting link 8 other ends realizations are threaded and are fixedly mounted on sleeve pipe 1, the electric field that this structure can be used for shielding the impact of external electrical field and evenly introduces high pressure.
Voltage test device of the present utility model also comprises the threaded insert 5 with sleeve pipe 1 lower end socket for fixing inner cone plugging formula terminal 11.On this threaded insert 5, be processed with threaded hole, inner cone plugging formula terminal 11 realizes fixedly sleeved with sleeve pipe 1 lower end by fixtures such as threaded hole and suitable screws 14, in the time that inner cone plugging formula terminal 11 is installed, screw 14 is screwed into this threaded hole to play fixing effect.In order to increase the creep distance of insulation, the utility model is provided with one group of full skirt 15 at sleeve pipe 1 outside surface, and the xsect that is provided with the sleeve pipe 1 of full skirt 15 is turriform.Sleeve pipe 1 inside is provided with the insulator 6 of being made up of epoxy resin, and the setting of insulator 6 can further improve the security performance of this test unit, and meanwhile, shading ring 3 of the present utility model is cast in insulator 6 together with after assembling with conductive insert 4 being.
The compact conformation of the utility model voltage test device is reasonable, performance is good, safe and reliable and simple installation, this voltage test device is installed and used like this: when use first with cleaning paper by clean the silicon rubber stress cone surface clean of inner cone jack 7 and inner cone plugging formula terminal 11, after liquid volatilization to be cleaned, smear railway grease at inner cone jack 7 and silicon rubber stress cone surface uniform, then the cable 12 of making inner cone plugging formula terminal 11 is inserted in inner cone jack 7, be screwed into again the threaded hole of threaded insert 5 with screw 14, compress and fix inner cone plugging formula terminal 11 and realize the fixedly sleeved of itself and sleeve pipe 1 lower end, the last first other end from connecting link 8 is introduced high pressure, then voltage test device is erected, and makes high-pressure side terrain clearance be greater than 1 meter, can carry out resistance test test to the inner cone plugging formula terminal 11 on cable line.Voltage test device of the present utility model adopts without SF6 gas formation, and safety, environmental protection can be carried out resistance test to the inner cone plugging formula terminal being arranged on 66kV and 110kV cable line.
Above-described embodiment is preferably embodiment of the utility model; but embodiment of the present utility model is not restricted to the described embodiments; other any do not deviate from change, the modification done under Spirit Essence of the present utility model and principle, substitutes, combination, simplify; all should be equivalent substitute mode, within being included in protection domain of the present utility model.
Claims (9)
1. a voltage test device, is connected with inner cone plugging formula terminal, it is characterized in that: comprise sleeve pipe, conductive insert and grading ring; The lower end of described sleeve pipe socket-connects with inner cone plugging formula terminal and realizes and being electrically connected; Described conductive insert is arranged in sleeve pipe, and it comprises the connecting link that the conductor that is electrically connected with inner cone plugging formula terminal and one end are electrically connected with conductor; It is outer for introducing high voltage that the other end of described connecting link stretches out sleeve pipe; Described grading ring is connected with the connecting link other end and is arranged on sleeve pipe upper end.
2. voltage test device according to claim 1, is characterized in that: described sleeve pipe lower end is provided with the inner cone jack with the suitable socket of inner cone plugging formula terminal.
3. voltage test device according to claim 1, is characterized in that: also comprise shading ring, described shading ring is electrically connected with conductor; Described shading ring is made up of nonmagnetic material or semiconductive material.
4. voltage test device according to claim 1, is characterized in that: described connecting link two ends are helicitic texture; Described conductors cross is down cup-shaped, and its upper surface is designed with connecting link one end and realizes the threaded hole being electrically connected, and lower surface is provided with connecting hole.
5. voltage test device according to claim 4, is characterized in that: the conduction gold utensil of the connecting hole of described conductor and inner cone plugging formula terminal is suitable.
6. voltage test device according to claim 4, is characterized in that: described grading ring is connected with the connecting link other end and is arranged on sleeve pipe upper end and refers to, grading ring is threaded with the connecting link other end by nut and is fixedly mounted on sleeve pipe upper end.
7. according to the voltage test device described in any one in claim 1 to 6, it is characterized in that: also comprise the threaded insert for fixing inner cone plugging formula terminal and the socket of sleeve pipe lower end.
8. voltage test device according to claim 7, is characterized in that: described bushing outer surface is provided with the full skirt for increasing insulation creep distance; The sleeve pipe xsect that is provided with full skirt is turriform.
9. voltage test device according to claim 7, is characterized in that: described inside pipe casing is provided with the insulator of being made up of epoxy resin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320707821.XU CN203616429U (en) | 2013-11-11 | 2013-11-11 | Voltage test apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320707821.XU CN203616429U (en) | 2013-11-11 | 2013-11-11 | Voltage test apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203616429U true CN203616429U (en) | 2014-05-28 |
Family
ID=50769060
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320707821.XU Expired - Fee Related CN203616429U (en) | 2013-11-11 | 2013-11-11 | Voltage test apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203616429U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104698356A (en) * | 2015-03-31 | 2015-06-10 | 广东威恒输变电工程有限公司 | Test sleeve for GIS terminal test device |
| CN105277858A (en) * | 2015-10-12 | 2016-01-27 | 上海天灵开关厂有限公司 | Voltage-withstanding adapter for partial discharge testing of inner-cone bushing |
| CN105954661A (en) * | 2016-07-25 | 2016-09-21 | 江苏靖江互感器股份有限公司 | Insulation test device of voltage transformer for high-voltage gas-insulated switchboard |
| CN106483413A (en) * | 2016-12-05 | 2017-03-08 | 浙江舟山海洋输电研究院有限公司 | High voltage direct current cable dry type easily-testing terminal |
| CN106918769A (en) * | 2017-05-15 | 2017-07-04 | 国网青海省电力公司海东供电公司 | A kind of European plug cable voltage test tool of high pressure |
| CN107144774A (en) * | 2017-06-16 | 2017-09-08 | 广东长牛电气股份有限公司 | A kind of cable termination test device |
| CN113504444A (en) * | 2021-09-13 | 2021-10-15 | 国网江西省电力有限公司电力科学研究院 | GIS is with multi-functional withstand voltage test frock |
| CN118362810A (en) * | 2024-05-11 | 2024-07-19 | 国网上海市电力公司 | A combined tooling and method for power transmission line test equipment |
-
2013
- 2013-11-11 CN CN201320707821.XU patent/CN203616429U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104698356A (en) * | 2015-03-31 | 2015-06-10 | 广东威恒输变电工程有限公司 | Test sleeve for GIS terminal test device |
| CN105277858A (en) * | 2015-10-12 | 2016-01-27 | 上海天灵开关厂有限公司 | Voltage-withstanding adapter for partial discharge testing of inner-cone bushing |
| CN105277858B (en) * | 2015-10-12 | 2019-01-01 | 上海天灵开关厂有限公司 | A kind of pressure-resistant adapter of inner cone casing shelf depreciation test |
| CN105954661A (en) * | 2016-07-25 | 2016-09-21 | 江苏靖江互感器股份有限公司 | Insulation test device of voltage transformer for high-voltage gas-insulated switchboard |
| CN106483413A (en) * | 2016-12-05 | 2017-03-08 | 浙江舟山海洋输电研究院有限公司 | High voltage direct current cable dry type easily-testing terminal |
| CN106918769A (en) * | 2017-05-15 | 2017-07-04 | 国网青海省电力公司海东供电公司 | A kind of European plug cable voltage test tool of high pressure |
| CN107144774A (en) * | 2017-06-16 | 2017-09-08 | 广东长牛电气股份有限公司 | A kind of cable termination test device |
| CN113504444A (en) * | 2021-09-13 | 2021-10-15 | 国网江西省电力有限公司电力科学研究院 | GIS is with multi-functional withstand voltage test frock |
| CN118362810A (en) * | 2024-05-11 | 2024-07-19 | 国网上海市电力公司 | A combined tooling and method for power transmission line test equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| 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: 20140528 Termination date: 20191111 |