CN202034139U - Composite column-type wire-break prevention insulator - Google Patents
Composite column-type wire-break prevention insulator Download PDFInfo
- Publication number
- CN202034139U CN202034139U CN2011201461295U CN201120146129U CN202034139U CN 202034139 U CN202034139 U CN 202034139U CN 2011201461295 U CN2011201461295 U CN 2011201461295U CN 201120146129 U CN201120146129 U CN 201120146129U CN 202034139 U CN202034139 U CN 202034139U
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- China
- Prior art keywords
- gold utensil
- magnet ring
- umbrella body
- breaking line
- resistor disc
- Prior art date
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Abstract
The utility model discloses a composite column-type wire-break prevention insulator. The insulator comprises an umbrella body (1), a wiring terminal hardware fitting (2) and a grounding terminal hardware fitting (3), wherein the lower part of the wiring terminal hardware fitting (2) is fixedly embedded into the upper end of the umbrella body (1); the upper part of the grounding terminal hardware fitting (3) is fixedly embedded into the lower end of the umbrella body (1); a closed cavity is formed among the inner walls of the umbrella body (1), the wiring terminal hardware fitting (2) and the grounding terminal hardware fitting (3); a hollow insulating cylinder (4) of which the two ends are opened is embedded into the closed cavity; a spring (5) is arranged at the lower part of the inner cavity of the insulating cylinder (4); a resistor disc (6) is arranged on the upper side of the spring (5); a hollow magnet ring (7) is arranged on the upper side of the resistor disc (6); and round-platform-shaped copper sheets (8) are arranged at two ends of the magnet ring (7). The composite column-type wire-break prevention insulator has a simple structure, and can quickly discharge overvoltage into the ground when in use to avoid large-area power failures or secondary accidents, thereby ensuring safety operation of the system.
Description
Technical field
The utility model relates to electric power equipment technical field, in particular for the insulator of transmission line, power distribution circuit and transformer station in the electric power system, and the anti-breaking line insulator of a kind of specifically compound pillar.
Background technology
Existing transmission of electricity power distribution circuit has all adopted insulated conductor, they have solved the safety problems such as electric current corridor that plain conductor originally has, but the overvoltage that causes owing to reasons such as thunderbolts breaks in actual use, the situation that makes whole electric line produce operation troubles happens occasionally, especially China's southern area, the meteorology that lightning flashes and thunder rumbles is more frequent, therefore the electric network fault that causes has accounted for 36.8% of whole line fault, wherein the lightning-caused breaking rate accounts for 96.8%, influenced the normal power supply of gauze greatly, caused tremendous loss to national economy.Japan just once drew research conclusion at the seventies: if insulated conductor does not have the appropriate superpotential measure that prevents, running into the overvoltage that causes when being struck by lightning more by force so will inevitably break.Therefore insulated conductor must be solved because of the broken string problem that overvoltage causes, the safe operation of overhead insulating transmission and distribution network could be guaranteed.
Summary of the invention
The purpose of this utility model is the defective at prior art, and a kind of anti-breaking line insulator of compound pillar that can rapidly overvoltage be leaked into the earth is provided.
The purpose of this utility model solves by the following technical programs:
The anti-breaking line insulator of a kind of compound pillar, comprise the umbrella body, terminals gold utensil and earth terminal gold utensil, in the upper end of the fixedly embedded umbrella body in the bottom of terminals gold utensil, in the lower end of the fixedly embedded umbrella body in the top of earth terminal gold utensil, the umbrella body, constitute an enclosed cavity between the inwall of terminals gold utensil and earth terminal gold utensil, this enclosed cavity is embedded with insulating cylinder, described insulating cylinder is the hollow insulating cylinder of both ends open, cavity bottom in the insulating cylinder is provided with spring, the upside of spring is provided with resistor disc, the upside of resistor disc is provided with hollow magnet ring, and the two ends of magnet ring are provided with the copper sheet of truncated cone-shaped.
Described copper sheet is hollow round platform, in the cavity of the recessed magnet ring in round platform top of described copper sheet.
The internal diameter of described umbrella body, terminals gold utensil and earth terminal gold utensil equates.
The lower end of described earth terminal gold utensil is provided with the ground connection the end of a thread that is fixedly linked with it.
Described spring is positioned at the inner chamber middle part of earth terminal gold utensil.
Be provided with pad between the lower end of described resistor disc and the upper end of spring; Be provided with pad between the copper sheet of the upper end of described resistor disc and magnet ring downside; Be provided with pad between the inwall of the copper sheet of described magnet ring upside and terminals gold utensil.
The external diameter of described resistor disc, magnet ring, copper sheet and pad is identical.
Be provided with the gap between the radial outer wall of described resistor disc, magnet ring, copper sheet and pad and the inwall of insulating cylinder.
Described resistor disc is nonlinear zinc oxide resistance sheet.
The material of described umbrella body is a sulphurated siliastic.
The utility model has following advantage compared to existing technology:
The utility model in use, when Lightning Over-voltage is attacked, as long as superpotential amplitude jeopardizes system's security of operation, gap between the inner copper sheet of insulator will the moment conducting, overvoltage is leaked into the earth by non-linear zinc oxide resistance sheet, blow lead thereby avoid building arc, cause the generation of system's large-area power-cuts or secondary accident, guarantee system safety operation because of overvoltage.
Of the present utility model simple in structure, result of use is good, and has economy and all good characteristics of practicality, suitable promoting the use of.
Description of drawings
Accompanying drawing 1 is a structural representation of the present utility model.
Wherein: 1-umbrella body; 2-terminals gold utensil; 3-earth terminal gold utensil; 4-insulating cylinder; 5-spring; 6-resistor disc; 7-magnet ring; 8-copper sheet; 9-ground connection the end of a thread; 10-pad.
Embodiment
Below in conjunction with accompanying drawing and embodiment the utility model is further described.
As shown in Figure 1: the anti-breaking line insulator of a kind of compound pillar, comprise that the material that internal diameter equates is umbrella body 1, terminals gold utensil 2 and the earth terminal gold utensil 3 of sulphurated siliastic, wherein in the upper end of the fixedly embedded umbrella body 1 in the bottom of terminals gold utensil 2, in the lower end of the fixedly embedded umbrella body 1 in the top of earth terminal gold utensil 3, the lower end of earth terminal gold utensil 3 is provided with the ground connection the end of a thread 9 that is fixedly linked with it; Constitute an enclosed cavity between the inwall of umbrella body 1, terminals gold utensil 2 and earth terminal gold utensil 3, this enclosed cavity is embedded with insulating cylinder 4.Insulating cylinder 4 is the hollow insulating cylinder of both ends open, cavity bottom in the insulating cylinder 4 is provided with the spring 5 that is positioned at earth terminal gold utensil 3 inner chambers middle part, the upside of spring 5 is provided with nonlinear zinc oxide resistance sheet 6, the upside of resistor disc 6 is provided with hollow magnet ring 7, the two ends of magnet ring 7 are provided with the copper sheet 8 of hollow truncated cone-shaped, in the cavity of the recessed magnet ring 7 in round platform top of copper sheet 8.Between the upper end of the lower end of resistor disc 6 and spring 5, be provided with pad 10 in addition, also be provided with pad 10 between the copper sheet 8 of the upper end of resistor disc 6 and magnet ring 7 downsides, be provided with pad 10 between the copper sheet 8 of magnet ring 7 upsides and the inwall of terminals gold utensil 2, promptly the outside of two copper sheets 8 all is provided with pad 10; Resistor disc 6, magnet ring 7, copper sheet 8 are identical with the external diameter of pad 10, and are provided with the gap between the inwall of the radial outer wall of resistor disc 6, magnet ring 7, copper sheet 8 and pad 10 and insulating cylinder 4.
The utility model in use, when Lightning Over-voltage is attacked, as long as superpotential amplitude jeopardizes system's security of operation, gap between the inner copper sheet of insulator will the moment conducting, overvoltage is leaked into the earth by non-linear zinc oxide resistance sheet, blow lead thereby avoid building arc, cause the generation of system's large-area power-cuts or secondary accident, guarantee system safety operation because of overvoltage.
The technology that the utility model does not relate to all can be realized by prior art.
Claims (10)
1. anti-breaking line insulator of compound pillar, comprise umbrella body (1), terminals gold utensil (2) and earth terminal gold utensil (3), in the upper end of the fixedly embedded umbrella body in the bottom of terminals gold utensil (2) (1), in the lower end of the fixedly embedded umbrella body in the top of earth terminal gold utensil (3) (1), umbrella body (1), constitute an enclosed cavity between the inwall of terminals gold utensil (2) and earth terminal gold utensil (3), this enclosed cavity is embedded with insulating cylinder (4), it is characterized in that described insulating cylinder (4) is the hollow insulating cylinder of both ends open, cavity bottom in the insulating cylinder (4) is provided with spring (5), the upside of spring (5) is provided with resistor disc (6), the upside of resistor disc (6) is provided with hollow magnet ring (7), and the two ends of magnet ring (7) are provided with the copper sheet (8) of truncated cone-shaped.
2. the anti-breaking line insulator of compound pillar according to claim 1 is characterized in that described copper sheet (8) is hollow round platform, in the cavity of the recessed magnet ring in round platform top (7) of described copper sheet (8).
3. the anti-breaking line insulator of compound pillar according to claim 1 is characterized in that the internal diameter of described umbrella body (1), terminals gold utensil (2) and earth terminal gold utensil (3) equates.
4. the anti-breaking line insulator of compound pillar according to claim 1 is characterized in that the lower end of described earth terminal gold utensil (3) is provided with the ground connection the end of a thread (9) that is fixedly linked with it.
5. the anti-breaking line insulator of compound pillar according to claim 1 is characterized in that described spring (5) is positioned at the inner chamber middle part of earth terminal gold utensil (3).
6. the anti-breaking line insulator of compound pillar according to claim 1 is characterized in that being provided with pad (10) between the upper end of the lower end of described resistor disc (6) and spring (5); Be provided with pad (10) between the copper sheet (8) of the upper end of described resistor disc (6) and magnet ring (7) downside; Be provided with pad (10) between the copper sheet (8) of described magnet ring (7) upside and the inwall of terminals gold utensil (2).
7. according to claim 1 or the anti-breaking line insulator of 6 described compound pillars, it is characterized in that described resistor disc (6), magnet ring (7), copper sheet (8) are identical with the external diameter of pad (10).
8. according to claim 1 or the anti-breaking line insulator of 6 described compound pillars, it is characterized in that being provided with the gap between the inwall of the radial outer wall of described resistor disc (6), magnet ring (7), copper sheet (8) and pad (10) and insulating cylinder (4).
9. the anti-breaking line insulator of compound pillar according to claim 1 is characterized in that described resistor disc (6) is nonlinear zinc oxide resistance sheet.
10. the anti-breaking line insulator of compound pillar according to claim 1, the material that it is characterized in that described umbrella body (1) is a sulphurated siliastic.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201461295U CN202034139U (en) | 2011-05-10 | 2011-05-10 | Composite column-type wire-break prevention insulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201461295U CN202034139U (en) | 2011-05-10 | 2011-05-10 | Composite column-type wire-break prevention insulator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202034139U true CN202034139U (en) | 2011-11-09 |
Family
ID=44896428
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201461295U Expired - Lifetime CN202034139U (en) | 2011-05-10 | 2011-05-10 | Composite column-type wire-break prevention insulator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202034139U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102779591A (en) * | 2011-05-10 | 2012-11-14 | 江苏新澳电力技术有限公司 | Composite column type anti-wire breakage insulator |
-
2011
- 2011-05-10 CN CN2011201461295U patent/CN202034139U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102779591A (en) * | 2011-05-10 | 2012-11-14 | 江苏新澳电力技术有限公司 | Composite column type anti-wire breakage insulator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20111109 |
|
| CX01 | Expiry of patent term |