CN207248997U - Transformer Bushing Tap Insulation test distributed control device - Google Patents
Transformer Bushing Tap Insulation test distributed control device Download PDFInfo
- Publication number
- CN207248997U CN207248997U CN201721143739.3U CN201721143739U CN207248997U CN 207248997 U CN207248997 U CN 207248997U CN 201721143739 U CN201721143739 U CN 201721143739U CN 207248997 U CN207248997 U CN 207248997U
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- CN
- China
- Prior art keywords
- transformer
- slide unit
- driving mechanism
- frame
- moving contact
- Prior art date
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- 238000009413 insulation Methods 0.000 title claims abstract description 30
- 238000009434 installation Methods 0.000 claims description 2
- 238000006243 chemical reaction Methods 0.000 abstract description 2
- 230000007935 neutral effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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- Testing Relating To Insulation (AREA)
- Insulators (AREA)
Abstract
Transformer Bushing Tap Insulation test distributed control device disclosed in the utility model, including transformer sub-control electrode module and insulation resistance meter, transformer sub-control electrode module includes the driving mechanism that frame, some fixed contacts being fixed on frame, sliding configuration slide unit in the frame and a driving slide unit move back and forth, and three moving contacts are provided with slide unit；During test, first moving contact, the 3rd moving contact pass through wired earth, second moving contact is connected with the L binding posts in insulation resistance meter by conducting wire, and the E binding posts in insulation resistance meter are connected by conducting wire with the bottom shielding of bushing in transformer to be tested respectively by wired earth, some fixed contacts；By driving mechanism Mobile Slide during test, make the respectively different fixed contact conductive contact of three moving contacts on slide unit.The utility model can save the conversion time (average each thread-changing spend 10 minutes) of tester, can primary connection realize the insulation resistance test of all bottom shielding of bushing of transformer over the ground.
Description
Technical field
It the utility model is related to device for testing transformers technical field, more particularly to Transformer Bushing Tap Insulation test point
Control device.
Background technology
At present substation field personnel when doing the insulation resistance test of transformer end shield over the ground, it is necessary to climb up transformer handle
The p-wire of one of bottom shielding of bushing connects, and remaining bottom shielding of bushing short circuit is grounded, and replaces another bottom shielding of bushing and tries
When testing, it is necessary to climb up again transformer replace p-wire, if repetition test want if need repeatedly disconnect line；So test
Labor intensity is very big.
Utility model content
The technical problem to be solved by the utility model is to the insulation resistance test for existing transformer end shield over the ground
When the problem of needing to disconnect line repeatedly, and provide a kind of Transformer Bushing Tap Insulation test distributed control device, the bushing shell for transformer
End shield Insulation test distributed control device can realize that primary connection completes the test job of all bottom shielding of bushing insulation against ground resistance.
Technical problem to be solved in the utility model can be achieved through the following technical solutions：
Transformer Bushing Tap Insulation test distributed control device, including a transformer sub-control electrode module and an insulation resistance
Table, the transformer sub-control electrode module includes a frame, fixed some fixed contacts, a sliding configuration on said frame exists
The driving mechanism that slide unit in the frame and a driving slide unit move back and forth, three are provided with the slide unit and dynamic is touched
Head, is divided into the first moving contact, the second moving contact and the 3rd moving contact；During test, first moving contact, the 3rd moving contact pass through
Wired earth, second moving contact are connected with the L binding posts in the insulation resistance meter by conducting wire, the insulation resistance meter
In E binding posts be connected respectively by conducting wire with the bottom shielding of bushing in transformer to be tested by wired earth, some fixed contacts；
According to test program during test, the slide unit is moved by driving mechanism, makes three moving contacts on the slide unit respectively different
Fixed contact conductive contact.
In a preferred embodiment of the utility model, the driving mechanism is feed screw nut's driving mechanism, the silk
Screw axis in stem nut driving mechanism are set on said frame, the nut in feed screw nut's driving mechanism and the slide unit
Connection.
In a preferred embodiment of the utility model, feed screw nut's driving mechanism further includes the driving silk
The motor that bar rotates, the motor installation is on said frame.
As a result of technical solution as above, the conversion time that the utility model can save tester is (average every
Secondary thread-changing spends 10 minutes), can primary connection realize the insulation resistance test of all bottom shielding of bushing of transformer over the ground.
Brief description of the drawings
Fig. 1 is the structure of the utility model Transformer Bushing Tap Insulation test distributed control device and the wiring with transformer
Schematic diagram.
Embodiment
Referring to Fig. 1, the Transformer Bushing Tap Insulation test distributed control device that is provided in figure, including a transformer sub-control electrode
100 and one insulation resistance meter 200 of module.
Transformer sub-control electrode module 100 include a frame 110, be fixed on frame 110 four fixed contacts 1,2,3,
4th, slide unit 120 and one of the sliding configuration in frame 110 drives the driving mechanism that slide unit 120 moves back and forth.
Driving mechanism is feed screw nut's driving mechanism, and 130 axis of screw in feed screw nut's driving mechanism is located at frame 110
On, the nut (not shown) in feed screw nut's driving mechanism is connected with slide unit 120.Feed screw nut's driving mechanism further includes
The motor 140 that one driving screw 130 rotates, motor 140 are installed on frame 110.
Three moving contacts 5,6,7 are provided with slide unit 120.
During test, moving contact 5,7 is by wired earth, and moving contact 6 is with the L binding posts in insulation resistance meter 200 by leading
Line connects, and the E binding posts in insulation resistance meter 200 are connected by p-wire respectively by wired earth, four fixed contacts 1,2,3,4
It is connected in 300 three-phase windings of transformer and neutral point (if neutral point has extraction) sleeve A, the end shield of B, C, O.
During test, motor 140 drives screw 130 to rotate, and screw 130 drives slide unit 120 to move, with the shifting of slide unit 120
It is dynamic, moving contact 6 can successively with the contact of fixed contact 1,2,3,4 (i.e. insulation resistance meter L ends be consecutively connected to 3 phases of transformer 300 around
In group and the end shield of neutral bushing A, B, C, O, moving contact 5,7 and the contact of other 3 fixed contacts ensure their short circuits ground connection (i.e.
Non-measured bottom shielding of bushing ground connection) (such as the moving contact 6 shown in figure is contacted with fixed contact 2, moving contact 5 connects with fixed contact 4,3
Touch, moving contact 7 is contacted with fixed contact 1), primary connection can be achieved by this way and complete all bottom shielding of bushing of transformer over the ground
The purpose of insulation resistance test.
Claims (3)
1. Transformer Bushing Tap Insulation test distributed control device, it is characterised in that including a transformer sub-control electrode module and one
Insulation resistance meter, the transformer sub-control electrode module include a frame, fixed some fixed contacts, a cunning on said frame
The driving mechanism that slide unit and the driving slide unit of the dynamic configuration in the frame move back and forth, is provided with the slide unit
Three moving contacts, are divided into the first moving contact, the second moving contact and the 3rd moving contact；During test, first moving contact, the 3rd move
Contact is connected by wired earth, second moving contact with the L binding posts in the insulation resistance meter by conducting wire, described exhausted
E binding posts in edge ohmmeter pass through the casing in conducting wire and transformer to be tested respectively by wired earth, some fixed contacts
End shield connects；According to test program during test, the slide unit is moved by driving mechanism, makes three moving contacts on the slide unit
Respectively different fixed contact conductive contact.
2. Transformer Bushing Tap Insulation test distributed control device as claimed in claim 1, it is characterised in that the driving mechanism
For feed screw nut's driving mechanism, the screw axis in feed screw nut's driving mechanism are set on said frame, the feed screw nut
Nut in driving mechanism is connected with the slide unit.
3. Transformer Bushing Tap Insulation test distributed control device as claimed in claim 2, it is characterised in that the feed screw nut
Driving mechanism further includes the motor that the driving screw rotates, and the motor installation is on said frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721143739.3U CN207248997U8 (en) | 2017-09-07 | 2017-09-07 | Insulation test sub-control device for transformer bushing end screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721143739.3U CN207248997U8 (en) | 2017-09-07 | 2017-09-07 | Insulation test sub-control device for transformer bushing end screen |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN207248997U true CN207248997U (en) | 2018-04-17 |
| CN207248997U8 CN207248997U8 (en) | 2024-01-30 |
Family
ID=61887471
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721143739.3U Active CN207248997U8 (en) | 2017-09-07 | 2017-09-07 | Insulation test sub-control device for transformer bushing end screen |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207248997U8 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107576850A (en) * | 2017-09-07 | 2018-01-12 | 国家电网公司江苏省电力公司扬州供电公司 | Transformer Bushing Tap Insulation test distributed control device |
-
2017
- 2017-09-07 CN CN201721143739.3U patent/CN207248997U8/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107576850A (en) * | 2017-09-07 | 2018-01-12 | 国家电网公司江苏省电力公司扬州供电公司 | Transformer Bushing Tap Insulation test distributed control device |
| CN107576850B (en) * | 2017-09-07 | 2024-02-09 | 国网江苏省电力有限公司扬州供电分公司 | Insulation test sub-control device for transformer bushing end screen |
Also Published As
| Publication number | Publication date |
|---|---|
| CN207248997U8 (en) | 2024-01-30 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 225009 No. 179, Weiyang Road, Yangzhou, Jiangsu Patentee after: YANGZHOU POWER SUPPLY BRANCH OF STATE GRID JIANGSU ELECTRIC POWER Co.,Ltd. Patentee after: SHANGHAI SICHUANG ELECTRIC EQUIPMENT Co.,Ltd. Address before: No.179, Weiyang Road, Yangzhou City, Jiangsu Province 225000 Patentee before: YANGZHOU POWER SUPPLY COMPANY, STATE GRID JIANGSU ELECTRIC POWER Co. Patentee before: SHANGHAI SICHUANG ELECTRIC EQUIPMENT Co.,Ltd. |
|
| CP03 | Change of name, title or address | ||
| CU01 | Correction of utility model |
Correction item: Patentee|Address|Patentee Correct: State Grid Jiangsu Electric Power Co., Ltd. Yangzhou Power Supply Branch|225009 No. 179, Weiyang Road, Yangzhou, Jiangsu|Shanghai Sichuang Electrical Equipment Co., Ltd. False: State Grid Corporation of China Jiangsu Electric Power Company Yangzhou Power Supply Company|No.179, Weiyang Road, Yangzhou City, Jiangsu Province 225000|Shanghai Sichuang Electrical Equipment Co., Ltd. Number: 16-01 Page: The title page Volume: 34 Correction item: Patentee|Address|Patentee Correct: State Grid Jiangsu Electric Power Co., Ltd. Yangzhou Power Supply Branch|225009 No. 179, Weiyang Road, Yangzhou, Jiangsu|Shanghai Sichuang Electrical Equipment Co., Ltd. False: State Grid Corporation of China Jiangsu Electric Power Company Yangzhou Power Supply Company|No.179, Weiyang Road, Yangzhou City, Jiangsu Province 225000|Shanghai Sichuang Electrical Equipment Co., Ltd. Number: 16-01 Volume: 34 |
|
| CU01 | Correction of utility model | ||
| OR01 | Other related matters | ||
| OR01 | Other related matters | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20180417 Effective date of abandoning: 20240209 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20180417 Effective date of abandoning: 20240209 |
|
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |