CN203720223U - Novel independent grounding device used for online monitor of can-type lightning arrester - Google Patents
Novel independent grounding device used for online monitor of can-type lightning arrester Download PDFInfo
- Publication number
- CN203720223U CN203720223U CN201320878290.0U CN201320878290U CN203720223U CN 203720223 U CN203720223 U CN 203720223U CN 201320878290 U CN201320878290 U CN 201320878290U CN 203720223 U CN203720223 U CN 203720223U
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- CN
- China
- Prior art keywords
- lightning arrester
- line monitoring
- monitoring instrument
- grounding
- online monitor
- Prior art date
- 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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Abstract
The utility model provides a novel independent grounding device used for an online monitor of a can-type lightning arrester. The structure is that a low-voltage wiring terminal of the lightning arrester is connected to the online monitor through a high-voltage lead; a housing of the online monitor is connected to the grounding board through a grounding lead; a grounding board is connected with an anti-thunder grounding net; the housing of the online monitor is isolated from a box body by utilizing an insulation support formed through oxygen pouring; metal inserts used for connection and fixation of the online monitor and the box body are added into the insulation support; a connection bolt between the grounding lead and the wiring board is isolated from the box body by utilizing a T-shaped sleeve and an annular sleeve. By employing the insulation support formed through oxygen resin pouring, electric insulation reliability is improved.
Description
One, technical field
The utility model relates to a kind of novel tank-type lightning arrester on-line monitoring instrument independent grounding device.Be applicable to the use of electric system overvoltage protection device tank-type lightning arrester.
Two, background technology
Traditional electric system is all that monitor earth point (shell) is linked on lightning arrester tank ground seat with the earthing mode of overvoltage protection device tank-type lightning arrester on-line monitoring instrument; access grounded screen by earthing bar together with tank body, be equivalent to lightning protection and protective ground and share a grounded screen.This grounded screen will meet the requirement of lightning protection simultaneously.Served as voltage source out-of-date, very large by the electric current on monitor, this earthing mode will cause tank body simultaneously charged, and personal safety is threatened.
Three, summary of the invention
The purpose of this utility model is that design one is separated lightning protection and protective ground equipment, and lightning arrester on-line monitoring instrument separates the lightning arrester on-line monitoring instrument independent grounding device of ground connection with tank body.This device is simple, reliable, easy to assembly, has improved reliability, the security of Operation of Electric Systems.
The utility model solves the technical scheme core that its technical matters adopts: lightning arrester low-voltage wiring terminal is connected to on-line monitoring instrument through high-voltage connection, on-line monitoring instrument shell is connected to ground plate through ground lead, ground plate is connected to lightning protection grounding network by earthing bar, insulating supporting with poured with epoxy resin between on-line monitoring instrument shell and casing insulate, insulating supporting inside adds metal insert, for and being connected and fixed of on-line monitoring instrument and casing, ground lead overlaps by T shape and annular cover insulate with casing to the coupling bolt of ground plate.The insulating supporting of poured with epoxy resin, T shape are overlapped and annular use of overlapping, and have improved the reliability of electric insulation.
This design beneficial effect is:
1, simple in structure, be easy to assembling.
2, realize on-line monitoring instrument and separated grounding function with tank body, ensured personal safety.
3, use the insulating supporting of poured with epoxy resin, ensured the reliability of electric insulation.
Four, brief description of the drawings
Fig. 1 is tank-type lightning arrester on-line monitoring instrument independent grounding structure cut-open view
Fig. 2 is insulating supporting front elevation
1. on-line monitoring instrument in figure, 2. casing, 3. high-voltage connection, 4. insulating supporting, 5. metal insert, 6. coupling bolt, 7. metal insert, 8. attachment screw, 9. coupling bolt, 10. lightning arrester low-voltage wiring terminal, 11. attachment screws, 12.T shape cover, 13. annular covers, 14. ground plates, 15. lip seal bars, 16. attachment screws, 17. chamber doors, 18. coupling bolts, 19. ground leads, 20. trim rings, 21. lip-type packings, 22. attachment screws, 23. glass plates, 24. epoxy resin.
Five, embodiment
Below in conjunction with accompanying drawing, processing assembling of the present utility model is further illustrated.
In Fig. 1, insulating supporting (4) is installed on casing (2) with attachment screw (8), on-line monitoring instrument (1) is connected on insulating supporting (4) with coupling bolt (6), draw ground lead (19) from coupling bolt (6), ground lead (19) is connected on ground plate (14) by coupling bolt (18), between coupling bolt (18) and casing (2), carry out electric insulation with T shape cover (12) and annular cover (13), casing has assembled like this, lip-type packing (21) is enclosed within on glass plate (23), push down lip-type packing (21) with trim ring (20), be fixed on chamber door (17) with attachment screw (22), chamber door has assembled like this, casing (2) is installed on lightning arrester by attachment screw (11), the high-voltage connection of on-line monitoring instrument (1) (3) is connected on lightning arrester low-voltage wiring terminal (10) by coupling bolt (9), use again attachment screw (16) that chamber door (17) and casing (2) are coupled together, whole like this device assembling is complete.
In Fig. 2, by fixing to metal insert (5) and metal insert (7), epoxy resin in cast (24), just makes insulating supporting (4) after curing molding, power-frequency withstand voltage >=5kV between metal insert (5) and metal insert (7).
In figure, the effect of each parts is as follows:
1, on-line monitoring instrument (1), Leakage Current and the discharge time of monitoring lightning arrester.
2, casing (2), assembles the parts such as online monitor.
3, high-voltage connection (3), electrical connection.
4, insulating supporting (4), installs fixing and electric insulation.
5, metal insert (5), for the connection of bolt.
6, coupling bolt (6), for being connected and fixed between parts.
7, metal insert (7), for the connection of bolt.
8, attachment screw (8), for being connected and fixed between parts.
9, coupling bolt (9), for being connected and fixed between parts.
10, lightning arrester low-voltage wiring terminal (10), the low-pressure line-outgoing of lightning arrester.
11, attachment screw (11), for being connected and fixed between parts.
12, T shape cover (7), electric insulation.
13, annular cover (8), electric insulation.
14, ground plate (14), grounding connection.
15, lip seal bar (15), sealing function.
16, attachment screw (16), for being connected and fixed between parts.
17, chamber door (17), coordinates casing to seal.
18, coupling bolt (18), for being connected and fixed between parts.
19, ground lead (19), electrical connection.
20, trim ring (20), for fixing of glass plate and chamber door.
21, lip-type packing (21), sealing function.
22, attachment screw (22), for being connected and fixed between parts.
23, glass plate (23), for observing the dial plate registration of on-line monitoring instrument.
24, epoxy resin (24), for the electric insulation between metal insert.
This utility model device has been realized lightning arrester on-line monitoring instrument and has been separated grounding function with tank body, has ensured personal safety.
Claims (1)
1. a tank-type lightning arrester on-line monitoring instrument independent grounding device, mainly by on-line monitoring instrument, high-voltage connection, insulating supporting, ground lead, casing, T shape cover, annular cover and ground plate composition, it is characterized in that lightning arrester low-voltage wiring terminal is connected to on-line monitoring instrument through high-voltage connection, on-line monitoring instrument shell is connected to ground plate through ground lead, ground plate is connected to lightning protection grounding network by earthing bar, insulating supporting with poured with epoxy resin between on-line monitoring instrument shell and casing insulate, insulating supporting inside adds metal insert, for and being connected and fixed of on-line monitoring instrument and casing, ground lead overlaps by T shape and annular cover and casing insulation to the coupling bolt of ground plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320878290.0U CN203720223U (en) | 2013-12-30 | 2013-12-30 | Novel independent grounding device used for online monitor of can-type lightning arrester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320878290.0U CN203720223U (en) | 2013-12-30 | 2013-12-30 | Novel independent grounding device used for online monitor of can-type lightning arrester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203720223U true CN203720223U (en) | 2014-07-16 |
Family
ID=51159363
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320878290.0U Expired - Fee Related CN203720223U (en) | 2013-12-30 | 2013-12-30 | Novel independent grounding device used for online monitor of can-type lightning arrester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203720223U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106771412A (en) * | 2017-03-27 | 2017-05-31 | 兴安供电公司 | Arrester live monitoring instrument combines adjustable installing bracket |
| CN107732696A (en) * | 2017-12-13 | 2018-02-23 | 湖南埃尔凯电器有限公司 | High-tension switch cabinet for open air |
-
2013
- 2013-12-30 CN CN201320878290.0U patent/CN203720223U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106771412A (en) * | 2017-03-27 | 2017-05-31 | 兴安供电公司 | Arrester live monitoring instrument combines adjustable installing bracket |
| CN107732696A (en) * | 2017-12-13 | 2018-02-23 | 湖南埃尔凯电器有限公司 | High-tension switch cabinet for open air |
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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 |
Granted publication date: 20140716 Termination date: 20151230 |
|
| EXPY | Termination of patent right or utility model |