CN102738761A - Clearance lightning protection device - Google Patents
Clearance lightning protection device Download PDFInfo
- Publication number
- CN102738761A CN102738761A CN2012101951397A CN201210195139A CN102738761A CN 102738761 A CN102738761 A CN 102738761A CN 2012101951397 A CN2012101951397 A CN 2012101951397A CN 201210195139 A CN201210195139 A CN 201210195139A CN 102738761 A CN102738761 A CN 102738761A
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- insulator
- metal bar
- striking
- striking metal
- guide wire
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Abstract
The invention provides a clearance lightning protection device which comprises an insulator, an insulation body, a puncture wire clamp, a grounding arc strike metal stick, an arc strike metal stick and an overhead insulation wire, wherein the high-voltage end of the insulator is electrically connected with the overhead insulation wire; the grounding end of the insulator is fixedly connected with one end of the insulation body; one end of the insulation body is connected with one end of the grounding arc strike metal stick; the other end of the insulation body is connected with one end of the arc strike metal stick; an arc strike clearance is formed between the other end of the grounding arc strike metal stick and the other end of the arc strike metal stick; the other end of the arc strike metal stick is electrically connected with the puncture wire clamp through an insulation soft wire; and the puncture wire clamp is arranged on the overhead insulation wire. The clearance lightning protection device has the advantages of scientific design, simple structure, reliable arc striking and good lightning protection effect.
Description
Technical field
The present invention relates to a kind of lightning protection device that is used for suspended insulated guide wire, specifically, related to a kind of clearance lightning-proof protective device.
Background technology
The distribution overhead transmission line of electric power system such as 10KV or 20kV electric pressure mostly adopts the insulated aerial lead; For preventing that thunder and lightning from striking off suspended insulated guide wire; Normal adopt insulator, penetrating cable clamp and be connected insulator and penetrating cable clamp between insulating soft wire, penetrating cable clamp is electrically connected with suspended insulated guide wire, makes insulator identical with the current potential of penetrating cable clamp; When the thunder and lightning electrion is; The arc root of the power frequency short circuit current electric arc that continues is fixed on the high-field electrode of insulator and burns, and the protection suspended insulated guide wire is not burnt, but this structure is burnt the arc root of the power frequency arc of afterflow on the high-field electrode of insulator; Be prone to cause the damage of insulator, thereby influence the operate as normal of whole transmission of electricity circuit.In order to solve the problem of above existence, people are seeking a kind of desirable technical solution always.
Summary of the invention
The objective of the invention is the deficiency to prior art, thereby a kind of design science, simple in structure, striking is reliable and lightning protection effect is good clearance lightning-proof protective device are provided.
To achieve these goals; The technical scheme that the present invention adopted is: a kind of clearance lightning-proof protective device; It comprises insulator, insulator, penetrating cable clamp, ground connection striking metal bar, striking metal bar and suspended insulated guide wire, and wherein, the high-pressure side of said insulator is electrically connected with said suspended insulated guide wire; The earth terminal of said insulator is fixedly connected with an end of said insulator; One end of said insulator connects an end of ground connection striking metal bar, and the other end of said insulator connects an end of striking metal bar, and the other end of said ground connection striking metal bar and the other end of said striking metal bar form the striking gap; The other end of said striking metal bar is electrically connected with said penetrating cable clamp through insulating soft wire, and said penetrating cable clamp is installed on the said suspended insulated guide wire.
Based on above-mentioned, said penetrating cable clamp penetrates the insulating barrier of said suspended insulated guide wire and is connected with its inner electric conductor.
Based on above-mentioned, said insulator is provided with a plurality of creepage cluster parachutes.
Based on above-mentioned, an end of said ground connection striking metal bar can be along the axial adjustment of said insulator.
Based on above-mentioned, an end of said striking metal bar can be along the axial adjustment of said insulator.
The relative prior art of the present invention has outstanding substantive distinguishing features and marked improvement; Specifically, the present invention is fixedly connected an insulator at the earth terminal of original insulator, and the two ends of insulator are connected with ground connection striking metal bar and the striking metal bar with striking gap; Said striking metal is electrically connected with said penetrating cable clamp through insulating soft wire; This device can cause the striking metal bar from suspended insulated guide wire through puncture wire clamp, insulating soft wire with the thunderbolt arc energy at short notice when thunderbolt, puncture said striking gap; Starting arc; Cause the earth terminal of insulator through the said ground connection striking metal bar arc energy that will be struck by lightning, thereby the arc energy that will be struck by lightning causes the earth, protection insulator and suspended insulated guide wire are not damaged; It has design science, simple in structure, striking is reliable and lightning protection effect is good advantage.
Description of drawings
Fig. 1 is a structural representation of the present invention.
Embodiment
Through embodiment, technical scheme of the present invention is done further detailed description below.
As shown in Figure 1; A kind of clearance lightning-proof protective device; It comprises insulator 2, insulator 3, penetrating cable clamp 8, ground connection striking metal bar 4, striking metal bar 6 and suspended insulated guide wire 1, and wherein, the high-pressure side of said insulator 2 is electrically connected with said suspended insulated guide wire 1; The earth terminal of said insulator 2 is fixedly connected with an end of said insulator 3; Said insulator 3 is provided with a plurality of creepage cluster parachutes 5, increases creepage distance, and an end of said insulator 3 connects an end of ground connection striking metal bar 4; The other end of said insulator 3 connects an end of striking metal bar 6; The other end of said ground connection striking metal bar 4 and the other end of said striking metal bar 6 form striking gap A, and the other end of said striking metal bar 6 is electrically connected with said penetrating cable clamp 8 through insulating soft wire 7, and said penetrating cable clamp 8 penetrates the insulating barrier of said suspended insulated guide wire 1 and is connected with its inner electric conductor.
Based on above-mentioned; Said ground connection striking metal bar 4, said striking metal bar 6 and said insulator 3 are integral structure; One end of said ground connection striking metal bar 4 can be along the axial adjustment of said insulator 3, and an end of said striking metal bar 6 can be adjusted the installation site of ground connection striking metal bar 4 and striking metal bar 6 as required along the axial adjustment of said insulator 3; Change the distance between the striking gap A, be applicable to multiple transmission line; This device striking spacing has ground connection striking metal bar 4 and the decision of the striking gap A between the striking metal bar 6 that is installed on the insulator.
This device does not change the installation site of original insulator and penetrating cable clamp on the suspended insulated guide wire; Earth terminal at original insulator installs insulator 3 additional; And connect the other end and the said penetrating cable clamp 8 of striking metal bars 6 through insulating soft wire 7; Increased the distance of discharge calcination point and penetrating cable clamp 8 and suspended insulated guide wire 1, the operate as normal of the temperatures involved suspended insulated guide wire 1 that produces when preventing to discharge.
This device is when thunderbolt; Can the thunderbolt arc energy be caused striking metal bar 6 from suspended insulated guide wire 1 through puncture wire clamp 8, insulating soft wire 7 at short notice; Puncture said striking gap A, starting arc causes the earth terminal of insulator 2 through said ground connection striking metal bar 4 arc energy that will be struck by lightning; Thereby the arc energy that will be struck by lightning causes the earth, and protection insulator 2 is not damaged with suspended insulated guide wire 1.
Should be noted that at last: above embodiment is only in order to technical scheme of the present invention to be described but not to its restriction; Although with reference to preferred embodiment the present invention has been carried out detailed explanation, the those of ordinary skill in affiliated field is to be understood that: still can specific embodiments of the invention make amendment or the part technical characterictic is equal to replacement; And not breaking away from the spirit of technical scheme of the present invention, it all should be encompassed in the middle of the technical scheme scope that the present invention asks for protection.
Claims (5)
1. clearance lightning-proof protective device; It is characterized in that: it comprises insulator, insulator, penetrating cable clamp, ground connection striking metal bar, striking metal bar and suspended insulated guide wire; Wherein, The high-pressure side of said insulator is electrically connected with said suspended insulated guide wire, and the earth terminal of said insulator is fixedly connected with an end of said insulator, and an end of said insulator connects an end of ground connection striking metal bar; The other end of said insulator connects an end of striking metal bar; The other end of said ground connection striking metal bar and the other end of said striking metal bar form the striking gap, and the other end of said striking metal bar is electrically connected with said penetrating cable clamp through insulating soft wire, and said penetrating cable clamp is installed on the said suspended insulated guide wire.
2. clearance lightning-proof protective device according to claim 1 is characterized in that: said penetrating cable clamp penetrates the insulating barrier of said suspended insulated guide wire and is connected with its inner electric conductor.
3. clearance lightning-proof protective device according to claim 1 is characterized in that: said insulator is provided with a plurality of creepage cluster parachutes.
4. clearance lightning-proof protective device according to claim 1 is characterized in that: an end of said ground connection striking metal bar can be along the axial adjustment of said insulator.
5. clearance lightning-proof protective device according to claim 1 is characterized in that: an end of said striking metal bar can be along the axial adjustment of said insulator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101951397A CN102738761A (en) | 2012-06-14 | 2012-06-14 | Clearance lightning protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101951397A CN102738761A (en) | 2012-06-14 | 2012-06-14 | Clearance lightning protection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102738761A true CN102738761A (en) | 2012-10-17 |
Family
ID=46993784
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012101951397A Pending CN102738761A (en) | 2012-06-14 | 2012-06-14 | Clearance lightning protection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102738761A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015120725A1 (en) * | 2014-02-17 | 2015-08-20 | 国网电力科学研究院武汉南瑞有限责任公司 | Lightning protection structure of overhead high voltage transmission line |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201146358Y (en) * | 2008-01-30 | 2008-11-05 | 江苏省电力公司常州供电公司 | Clearance lightning-proof protection device |
| CN201466619U (en) * | 2009-06-26 | 2010-05-12 | 河南省电力公司济源供电公司 | A gap lightning protection device |
-
2012
- 2012-06-14 CN CN2012101951397A patent/CN102738761A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201146358Y (en) * | 2008-01-30 | 2008-11-05 | 江苏省电力公司常州供电公司 | Clearance lightning-proof protection device |
| CN201466619U (en) * | 2009-06-26 | 2010-05-12 | 河南省电力公司济源供电公司 | A gap lightning protection device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015120725A1 (en) * | 2014-02-17 | 2015-08-20 | 国网电力科学研究院武汉南瑞有限责任公司 | Lightning protection structure of overhead high voltage transmission line |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20121017 |