CN204030270U - Fixed interval (FI) overvoltage protection device - Google Patents
Fixed interval (FI) overvoltage protection device Download PDFInfo
- Publication number
- CN204030270U CN204030270U CN201420506594.9U CN201420506594U CN204030270U CN 204030270 U CN204030270 U CN 204030270U CN 201420506594 U CN201420506594 U CN 201420506594U CN 204030270 U CN204030270 U CN 204030270U
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- China
- Prior art keywords
- insulator
- inserts
- ball discharge
- protection device
- overvoltage protection
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- 239000012212 insulator Substances 0.000 claims abstract description 38
- 239000002131 composite material Substances 0.000 claims abstract description 6
- 238000009413 insulation Methods 0.000 abstract description 4
- 230000032683 aging Effects 0.000 abstract description 3
- 230000005855 radiation Effects 0.000 abstract description 3
- 238000007599 discharging Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 239000003365 glass fiber Substances 0.000 description 2
- 229910001369 Brass Inorganic materials 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 239000004593 Epoxy Substances 0.000 description 1
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000010951 brass Substances 0.000 description 1
- 238000000748 compression moulding Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 238000009740 moulding (composite fabrication) Methods 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 229910052573 porcelain Inorganic materials 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Landscapes
- Insulators (AREA)
Abstract
The utility model discloses a kind of fixed interval (FI) overvoltage protection device, relate to overvoltage protection device insulator arrangement.The utility model is by top electrode, resistor disc, the lightning arrester plug that middle electrode and insulator connect and compose from top to bottom successively, the surrounding of lightning arrester plug is coated with composite sheath, on middle electrode, level is installed a ball discharge I, insulator is arranged on anti-slip support, the built-in inserts in insulator top, inserts is wide at the top and narrow at the bottom, inserts top is cylindric, bottom is multiaspect column, in the centre of multiaspect column, one section is provided with a ring annular groove, have a counterbore from the upper end of inserts, counterbore inwall is provided with internal thread, insulator passes through screw flight close-coupled to anti-slip support, one ball discharge II is installed on anti-slip support, and the angle between ball discharge II and horizontal direction is 30 °～60 °.Advantage: adopt built-in insulation structure, avoided the easy fracture of external insulator in the past and ultraviolet radiation aging, situation out of service fast.
Description
Technical field
The utility model relates to overvoltage protection device insulator arrangement, specifically a kind of fixed interval (FI) overvoltage protection device.
Background technology
What similar thunder resisting equipment adopted in the past is while connecting outside fixed interval (FI), must use external insulator (support) to completely cut off body and discharging gap, so just cause in assembling and install and use in process, it is aging, out of service very soon easily to there is fracture and ultraviolet radiation in external insulator (support).
Summary of the invention
In order to overcome the shortcoming of above-mentioned prior art, the utility model provides a kind of fixed interval (FI) overvoltage protection device, and easy fracture and discharge effect are not good.
The utility model is realized with following technical scheme: a kind of fixed interval (FI) overvoltage protection device, comprise by top electrode, resistor disc, the lightning arrester plug that middle electrode and insulator connect and compose from top to bottom successively, the surrounding of lightning arrester plug is coated with composite sheath, on middle electrode, level is installed a ball discharge I, insulator is arranged on anti-slip support, the built-in inserts in insulator top, described inserts is wide at the top and narrow at the bottom, inserts top is cylindric, bottom is multiaspect column, in the centre of multiaspect column, one section is provided with a ring annular groove, have a counterbore from the upper end of inserts, counterbore inwall is provided with internal thread, described insulator passes through screw flight close-coupled to anti-slip support, on anti-slip support, ball discharge I tilts a ball discharge II is installed relatively, and the angle between ball discharge II and horizontal direction is 30 °～60 °, and the distance between ball discharge I and ball discharge II is 35～50mm.
Advantage of the present utility model: abandoned original external insulator (support) structure, adopted built-in insulation structure, avoided the easy fracture of external insulator (support) in the past and ultraviolet radiation aging, situation out of service fast; Discharge effect is good.
Brief description of the drawings
Fig. 1 is the utility model structural representation;
Fig. 2 is insulator structure schematic diagram,
Fig. 3 is the structural representation of inserts;
Fig. 4 is the A-A cutaway view of Fig. 3;
Fig. 5 is the another kind of structural representation of inserts;
Fig. 6 is the B-B cutaway view of Fig. 5.
Embodiment
As shown in Fig. 1-6, a kind of fixed interval (FI) overvoltage protection device, comprise by top electrode 2, resistor disc 4, the overvoltage protection device plug that middle electrode 5 and insulator 6 connect and compose from top to bottom successively, the surrounding of overvoltage protection device plug is coated with composite sheath 3, on middle electrode 5, level is installed a ball discharge I 7, insulator 6 is arranged on anti-slip support 9, on anti-slip support 9, ball discharge I 7 tilts to install a ball discharge II 8 relatively, angle between ball discharge II 8 and horizontal direction is 30 °～60 °, distance between ball discharge I 7 and ball discharge II 8 is 35～50mm, .The built-in inserts 10 in insulator top, described inserts 10 is wide at the top and narrow at the bottom, inserts top is cylindric, bottom is multiaspect column, in the centre of multiaspect column, one section is provided with a ring annular groove, have a counterbore 12 from the upper end of inserts, counterbore inwall is provided with internal thread 11, and described insulator passes through screw flight close-coupled to support.
Described multiaspect column is four sides column, five columns, six columns, octahedral column or cylindrical.
In order to realize the sealing property of product after compression molding, be provided with the circular deep gouge 14 of a circle in the upper surface of described inserts 10.Insulator is designed to cylindric, is placed in overvoltage protection device bottom, completely cut off the inner current limiting element of overvoltage protection device and discharging gap, outside has composite sheath protection again.
For the one that realizes insulator and overvoltage protection device is connected, at the downward position, top of insulator 6, a deep-slotted chip breaker 13 is set.
Described inserts 10 adopts H59-62 brass or ferrous material to make, and process industrial art performance is good, intensity is high.
Described insulator adopts import glass fiber material to make, there is light weight, volume is little, impact good, machine commandment intensity is high, good insulation preformance and make simple advantage, and by insulator thermal endurance, mechanical property and the good weatherability of its making, especially it can form high strength key with the even oily metal surface of unclean surface, after being connected with composite sheath, can effectively prevent the infiltration of rainwater.
Inserts 10 integral die one-shot formings are installed into insulator.
In development process, test multiple insulation (son) material in laboratory, and the model machine of its manufacture is carried out to assessment test, and whether checking property indices can reach designing requirement.Participate in test insulator (material): porcelain insulator, with full skirt, not with full skirt, epoxy resin, epoxy glass fiber silk winding pipe and the every data of built-in inserts insulator (the utility model) are as following table;
When work, insulator turns the lower end that is arranged on middle electrode around, and copper conductor 1 connects the top electrode 2 of overvoltage protection device, in other end access transmission and distribution network.Top electrode 2 other ends are contact resistance sheet 4, middle electrode 5 and insulator 6 successively.Wherein middle electrode 4 studs with ball discharge I 7, as one end of discharging gap.Overvoltage protection device is fixed on anti-slip support 9 by insulator 6; on anti-slip support 9, ball discharge I 7 tilts to install a ball discharge II 8 relatively; angle between ball discharge II 8 and horizontal direction is 30 °～60 °; distance between ball discharge I 7 and ball discharge II 8 is 35～50mm; form discharging gap, discharge the lightning current that overvoltage produces.
Claims (4)
1. a fixed interval (FI) overvoltage protection device, comprise the lightning arrester plug being connected and composed successively from top to bottom by top electrode (2), resistor disc (4), middle electrode (5) and insulator (6), the surrounding of lightning arrester plug is coated with composite sheath (3), the upper level of middle electrode (5) is installed a ball discharge I (7), insulator 6 is arranged on to anti-slip support (9) upper, the built-in inserts in insulator top (10); It is characterized in that: described inserts is wide at the top and narrow at the bottom, inserts top is cylindric, bottom is multiaspect column, in the centre of multiaspect column, one section is provided with a ring annular groove, have a counterbore (12) from the upper end of inserts, counterbore inwall is provided with internal thread (11), and described insulator arrives on anti-slip support (9) by screw flight close-coupled; Tilt a ball discharge II (8) is installed in the upper relative ball discharge I (7) of anti-slip support (9), the angle between ball discharge II (8) and horizontal direction is 30 °～60 °, and the distance between ball discharge I (7) and ball discharge II (8) is 35～50mm.
2. fixed interval (FI) according to claim 1 overvoltage protection device, its feature with: described multiaspect column be four sides column, five columns, six columns, octahedral column or cylindric.
3. fixed interval (FI) according to claim 1 overvoltage protection device, is characterized in that: be provided with the circular deep gouge of a circle (14) in described inserts upper surface.
4. according to the fixed interval (FI) overvoltage protection device described in claim 1-3 any one, it is characterized in that: described insulator is cylindric, a deep-slotted chip breaker (13) is set on the top of insulator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420506594.9U CN204030270U (en) | 2014-09-04 | 2014-09-04 | Fixed interval (FI) overvoltage protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420506594.9U CN204030270U (en) | 2014-09-04 | 2014-09-04 | Fixed interval (FI) overvoltage protection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204030270U true CN204030270U (en) | 2014-12-17 |
Family
ID=52070099
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420506594.9U Active CN204030270U (en) | 2014-09-04 | 2014-09-04 | Fixed interval (FI) overvoltage protection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204030270U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104201568A (en) * | 2014-09-04 | 2014-12-10 | 国家电网公司 | Fixed gap overvoltage protector |
| CN107240902A (en) * | 2016-03-28 | 2017-10-10 | 江苏澳能电力电缆附件有限公司 | Overhead insulation-line over-voltage protection apparatus |
-
2014
- 2014-09-04 CN CN201420506594.9U patent/CN204030270U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104201568A (en) * | 2014-09-04 | 2014-12-10 | 国家电网公司 | Fixed gap overvoltage protector |
| CN107240902A (en) * | 2016-03-28 | 2017-10-10 | 江苏澳能电力电缆附件有限公司 | Overhead insulation-line over-voltage protection apparatus |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |