CN202353204U - Interval lightning-protection safety protection device - Google Patents
Interval lightning-protection safety protection device Download PDFInfo
- Publication number
- CN202353204U CN202353204U CN2011205207698U CN201120520769U CN202353204U CN 202353204 U CN202353204 U CN 202353204U CN 2011205207698 U CN2011205207698 U CN 2011205207698U CN 201120520769 U CN201120520769 U CN 201120520769U CN 202353204 U CN202353204 U CN 202353204U
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- CN
- China
- Prior art keywords
- arc
- striking
- insulator
- power transmission
- transmission line
- 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
Links
- 239000002184 metal Substances 0.000 claims abstract description 27
- 230000005540 biological transmission Effects 0.000 claims abstract description 22
- 239000012212 insulator Substances 0.000 claims abstract description 22
- 239000004020 conductor Substances 0.000 claims abstract description 6
- 238000009413 insulation Methods 0.000 claims description 30
- 230000000149 penetrating effect Effects 0.000 claims description 23
- 230000004888 barrier function Effects 0.000 claims description 4
- 208000027418 Wounds and injury Diseases 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 208000014674 injury Diseases 0.000 description 2
- 241000272165 Charadriidae Species 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 238000010891 electric arc Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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- Suspension Of Electric Lines Or Cables (AREA)
- Insulators (AREA)
Abstract
The utility model aims at providing an interval lightning-protection safety protection device which has the advantages of simple structure, low cost and reliable arc ignition, does not change the positions of an arc-resistant insulator and a puncture wire clip on an original circuit and can prevent high temperature during discharge from affecting the arc-resistant insulator and the puncture wire clip. The interval lightning-protection safety protection device comprises the arc-resistant insulator, the puncture wire clip and an arc ignition insulated flexible conductor, wherein the puncture wire clip is mounted on a power transmission line and penetrates through an insulating layer of the power transmission line so as to connect the puncture wire clip with a conductive body of the power transmission line; the high-voltage end of the arc-resistant insulator is connected with the power transmission line; the grounding end of the arc-resistant insulator is connected with an insulator; the insulator is connected at the grounding end of the arc-resistant insulator through a bolt; an arc ignition metal rod and a grounding arc ignition metal rod are respectively arranged on the insulator; the two ends of the arc ignition insulated flexible conductor are respectively connected with the arc ignition metal rod and the puncture wire clip; an arc ignition interval is formed between the arc ignition metal rod and the grounding arc ignition metal rod; and the arc ignition interval is 100-150mm.
Description
Technical field
The utility model relates to a kind of safety guard, particularly through the device that safeguard protection is carried out in lightning protection at interval is set.
Background technology
For preventing that thunder and lightning from striking off power transmission line; Available technology adopting arc resistance insulation, penetrating cable clamp and be connected the insulating soft wire between arc resistance insulation and the penetrating cable clamp, penetrating cable clamp is installed in the insulating barrier of wearing out insulated conductor on the power transmission line, and penetrating cable clamp is electrically connected with lead; One end of insulating soft wire is installed on the penetrating cable clamp; The other end extremely is electrically connected with the high-tension electricity of arc resistance insulation, makes arc resistance insulation identical with the current potential of penetrating cable clamp, when the thunder and lightning electrion; The arc root of the power frequency short circuit current electric arc that continues is fixed on the sub high-field electrode of arc resistance insulation and burns, and the protection power transmission line avoids blowing.But this kind structure is that high-voltage arc is caused arc resistance insulation, and the arc root of afterflow power frequency arc is burnt on the high-field electrode of arc resistance insulation, is prone to cause the damage of arc resistance insulation, and influences the reliability of line work.
Summary of the invention
Provide a kind of simple in structure on the purpose of the utility model; Low-cost, simple in structure; Do not change arc resistance insulation and the position of penetrating cable clamp on original circuit, the high temperature during discharge can not influence arc resistance insulation and penetrating cable clamp, and striking is interval lightning protection safety guard reliably.
This interval lightning protection safety guard comprises arc resistance insulation, penetrating cable clamp and striking insulating soft wire; Penetrating cable clamp is installed on the power transmission line; And penetrate the insulating barrier of power transmission line, penetrating cable clamp is connected with the electric conductor of power transmission line, and the high-pressure side of arc resistance insulation is connected with power transmission line; The earth terminal of arc resistance insulation is connected with insulator; This insulator is connected the sub earth terminal of arc resistance insulation through bolt, and striking metal bar and ground connection striking metal bar also are housed respectively on the insulator, and the two ends of striking insulating soft wire are connected with penetrating cable clamp with the striking metal bar respectively; And having striking between striking metal bar and the ground connection striking metal bar at interval, this striking is at interval between 100-150mm.
The utility model is not owing to change arc resistance insulation and the penetrating cable clamp installation site on original insulated overhead line; Only insulator is installed in the earth terminal of the sub-bottom of arc resistance insulation; And the striking insulating soft wire is connected on penetrating cable clamp and the striking metal bar; Very convenient oneself has the online transformation of the anti-thunderbolt of insulated overhead line, has usability and economy preferably.
Description of drawings
Fig. 1 is the structure principle chart of interval lightning protection safety guard.
Embodiment
As shown in Figure 1, the interval lightning protection safety guard of the utility model comprises arc resistance insulation 2, penetrating cable clamp 8 and striking insulating soft wire 7, and penetrating cable clamp 8 is installed on the power transmission line 1; And penetrate the insulating barrier of power transmission line 1; Penetrating cable clamp 8 is connected with the electric conductor of power transmission line 1, and the high-pressure side of arc resistance insulation 2 is connected with power transmission line 1, the earth terminal of arc resistance insulation 2 is connected with insulator 5; This insulator 5 is connected the earth terminal 3 of arc resistance insulation 2 through bolt; Striking metal bar 6 and ground connection striking metal bar 4 also are housed respectively on the insulator 5, and the two ends of striking insulating soft wire 7 are connected with penetrating cable clamp 8 with striking metal bar 6 respectively, the overvoltage when being struck by lightning from power transmission line 1 through striking insulating soft wire 7 and striking metal bar 6; And have at interval A of striking between striking metal bar 6 and the ground connection striking metal bar 4; This striking A at interval is preferably 100-150mm between 10-300mm, arc energy is punctured striking A starting arc at interval; Earth terminal through arc resistance insulation 2 inserts the earth, and the built on stilts insulator lead 1 of protection is injury-free with arc resistance insulation 2.
The utility model connects an insulator at the earth terminal of arc resistance insulation; Have striking metal bar and ground connection striking metal bar on the insulator; Ground connection striking metal bar is electrically connected with the earth terminal of arc resistance insulation, and the striking insulating soft wire that is installed on the penetrating cable clamp is connected on the striking metal bar, when therefore being struck by lightning; The arc energy that can will be struck by lightning was transferred on the striking metal bar through puncture wire clamp, striking insulating soft wire from power transmission line in the extremely short time; Puncture striking starting arc at interval, through the ground connection termination the earth of arc resistance insulation, thereby protection power transmission line and arc resistance insulation are injury-free.
Claims (1)
1. an interval lightning protection safety guard is characterized in that, this safety guard comprises arc resistance insulation, penetrating cable clamp and striking insulating soft wire; Penetrating cable clamp is installed on the power transmission line; And penetrate the insulating barrier of power transmission line, penetrating cable clamp is connected with the electric conductor of power transmission line, and the high-pressure side of arc resistance insulation is connected with power transmission line; The earth terminal of arc resistance insulation is connected with insulator; This insulator is connected the sub earth terminal of arc resistance insulation through bolt, and striking metal bar and ground connection striking metal bar also are housed respectively on the insulator, and the two ends of striking insulating soft wire are connected with penetrating cable clamp with the striking metal bar respectively; And having striking between striking metal bar and the ground connection striking metal bar at interval, this striking is at interval between 100-150mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205207698U CN202353204U (en) | 2011-12-14 | 2011-12-14 | Interval lightning-protection safety protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205207698U CN202353204U (en) | 2011-12-14 | 2011-12-14 | Interval lightning-protection safety protection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202353204U true CN202353204U (en) | 2012-07-25 |
Family
ID=46542168
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011205207698U Expired - Fee Related CN202353204U (en) | 2011-12-14 | 2011-12-14 | Interval lightning-protection safety protection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202353204U (en) |
-
2011
- 2011-12-14 CN CN2011205207698U patent/CN202353204U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: HENAN ELECTRIC POWER COMPANY KAIFENG POWER SUPPLY Effective date: 20140126 Owner name: STATE GRID CORPORATION OF CHINA Free format text: FORMER OWNER: HENAN ELECTRIC POWER COMPANY KAIFENG POWER SUPPLY BRANCH Effective date: 20140126 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| C56 | Change in the name or address of the patentee | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 475004 KAIFENG, HENAN PROVINCE TO: 100031 XICHENG, BEIJING |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 100031 Xicheng District West Chang'an Avenue, No. 86, Beijing Patentee after: State Grid Corporation of China Patentee after: KAIFENG POWER SUPPLY COMPANY, STATE GRID HENAN ELECTRIC POWER Co.,Ltd. Address before: 100031 Xicheng District West Chang'an Avenue, No. 86, Beijing Patentee before: State Grid Corporation of China Patentee before: Kaifeng Power Supply Company of Henan Electric Power Co. |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20140126 Address after: 100031 Xicheng District West Chang'an Avenue, No. 86, Beijing Patentee after: State Grid Corporation of China Patentee after: Kaifeng Power Supply Company of Henan Electric Power Co. Address before: 475004 Kaifeng power supply company, Jinming Road, Kaifeng City, Henan Patentee before: Kaifeng Power Supply Company of Henan Electric Power Co. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120725 Termination date: 20151214 |
|
| EXPY | Termination of patent right or utility model |