CN203260987U - High-voltage line lightning arrester - Google Patents
High-voltage line lightning arrester Download PDFInfo
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- CN203260987U CN203260987U CN 201320209455 CN201320209455U CN203260987U CN 203260987 U CN203260987 U CN 203260987U CN 201320209455 CN201320209455 CN 201320209455 CN 201320209455 U CN201320209455 U CN 201320209455U CN 203260987 U CN203260987 U CN 203260987U
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- lightning arrester
- arm
- tower cross
- gap
- insulator
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Abstract
A high-voltage line lightning arrester comprises the following components: a lightning arrester body, an insulator fixing discharging gap, an iron tower cross-arm and a counter. One end of the lightning arrester body is arranged on the iron tower cross-arm, and the other end of the lightning arrester body is electrically connected with one end of the insulator fixing discharging gap through a first lead. The other end of the insulator fixing discharging gap is connected with a high-voltage lead. The lightning arrester body is provided with a photoelectric inductor. The output end of the photoelectric inductor is connected with the counter through a second lead and is grounded. The counter is arranged on the iron tower cross-arm. Compared with the prior art, the high-voltage line lightning arrester provided by the utility model improves protection for high-voltage lead of a whole power transmission system. The structure of the insulator fixing discharging gap provided by the utility model has the following advantages: excellent discharging characteristic, simple structure, high convenience in mounting, high reliability, etc. Simultaneously, because of insulation function of the gap, when fault of the lightning arrester occurs, normal operation of the system is not affected, and furthermore the fault lightning arrester can be changed through live operation.
Description
Technical field
The utility model relates to electric power safety resist technology field, particularly a kind of high-voltage line lightning arrester.
Background technology
At present, domestic 35kV transmission system distributes extensively, density is large, is main force's grade of middle pressure power transmission and distribution.In order to protect the normal operation of power transmission and transformation system, need to carry out superpotential protection, make power transmission and transforming equipment avoid the infringement of atmospheric over-voltage.
General transmission line only is equipped with lightning arrester at transformer station's line atmospheric over-voltage is limited, and only protects the power transmission and transforming equipment in transformer station.Transmission line and electric equipment often were struck by lightning in thunderstorm season; Damage to crops caused by thunder is the area seriously; Easily cause the large tracts of land line tripping; The generation of the accidents such as circuit breaking; And the main cause that causes the accident is; Object of protection and the defencive function of existing lightning arrester are limited; And parameter selection and product structure and layout are reasonable not; Under the acting in conjunction of multiple lightning overvoltage; Cause the flashover of electric transmission line isolator; Form the power current short circuit; When serious; Two-phase or three phase isolated be flashover simultaneously; Cause phase fault; Thereby cause system's tripping operation; Affect normal power supply; Form very large economic loss; Therefore; Need transmission system is carried out rational lightning protection.
The utility model content
The utility model purpose is to provide a kind of high-voltage line lightning arrester; only transformer station's line is carried out thunder-lightning, overvoltage protection to solve in prior art; and transmission line and electric equipment often were struck by lightning in thunderstorm season; and the main cause that causes the accident is; object of protection and the defencive function of existing lightning arrester are limited; cause in some cases the electric power can not regular supply, can cause loss and the damage of very large electric power equipment equipment, form the technical matters of very large economic loss.
The utility model purpose is achieved through the following technical solutions:
A kind of high-voltage line lightning arrester, comprise lightning arrester body, insulator fixedly discharging gap, steel tower cross-arm and counter, described lightning arrester body one end is arranged on the steel tower cross-arm, the other end and insulator fixedly discharging gap one end are connected and pass through wire one electrical connection, the insulator fixedly other end of discharging gap connects high-voltage conducting wires, be provided with photoelectric sensor on described lightning arrester body, the photoelectric sensor output is by wire two linkage counters and ground connection, and described counter is arranged on the steel tower cross-arm.
Preferably, described insulator is discharging gap a plurality of insulators gap of comprising the grading ring of gap insulation pipe, bilateral symmetry setting and being arranged on two grading ring inboards fixedly, and described insulator gap and grading ring are set on the gap insulation pipe.
Preferably, described lightning arrester body comprises body insulated tube and resistor disc post, and between the insulating coating of described body insulated tube and resistor disc post and body insulated tube, fill by silastic material in the space, and described lightning arrester body is not aeriferous solid.
Preferably, device comprises that also described insulator string one end is fixedly connected with the steel tower cross-arm for the fixing insulator string of high-voltage conducting wires, other end connection high-voltage conducting wires.
Preferably, described lightning arrester body is articulated on described steel tower cross-arm by link plate.
Preferably, described steel tower cross-arm ground connection, described wire two also connects the steel tower cross-arm.
Compared with prior art, the utility model has following beneficial effect:
A kind of high-voltage line lightning arrester of the present utility model; changed and originally only power transmission line and the power equipment of transformer station's line position carried out overvoltage and lightening protection; increased the protection to the high-voltage conducting wires of whole transmission system; this device insulator used is discharging gap fixedly; its structure has flash-over characteristic excellence, simple in structure, easy for installation, high reliability; simultaneously; buffer action due to the gap; when lightning arrester breaks down; do not affect the normal operation of system, but and charged for replacement fault lightning arrester.
Description of drawings
Fig. 1 is high-voltage line lightning arrester structure chart of the present utility model.
Embodiment
Below in conjunction with accompanying drawing, further introduce the utility model.
Please refer to accompanying drawing 1, a kind of high-voltage line lightning arrester, comprise lightning arrester body 1, insulator fixedly discharging gap 2, steel tower cross-arm 3 and counter 4, one end of described lightning arrester body 1 is arranged on steel tower cross-arm 3, the other end and insulator fixedly an end of discharging gap 2 are connected and pass through wire one 5 electrical connections, the insulator fixedly other end of discharging gap 2 connects high-voltage conducting wires 6, be provided with photoelectric sensor 7 on described lightning arrester body 1, photoelectric sensor 7 outputs are by wire 28 linkage counter 4 and ground connection, and described counter 4 is arranged on steel tower cross-arm 3.
Insulator is the discharging gap 2 a plurality of insulators gap 23 that comprises the grading ring 22 of gap insulation pipe 21, bilateral symmetry setting and be arranged on two grading ring 22 inboards fixedly, described insulator gap 23 is set on gap insulation pipe 21 with grading ring 22, fixedly discharging gap 2 effects of insulator with grading ring 22: normal at circuit, during without overvoltage, insulator fixedly discharging gap 2 can completely cut off contacting of high voltage and lightning arrester body 1, thereby guarantees better the lightning arrester operating state.
Lightning arrester body 1 comprises body insulated tube 11 and resistor disc post 12, between the insulating coating of described body insulated tube 11 and resistor disc post 12 and body insulated tube 11, fill by silastic material in the space, described lightning arrester body 1 is not aeriferous solid, the effect of lightning arrester body 1: when having overvoltage to apply, the overvoltage instant earthing can be guaranteed the normal operation of system.
Device comprises that also described insulator string 9 one ends are fixedly connected with steel tower cross-arm 3 for the fixing insulator string 9 of high-voltage conducting wires 6, other end connection high-voltage conducting wires 6.
Some preferred hangs, described lightning arrester body 1 is articulated on described steel tower cross-arm 3 by link plate.
Some preferred earthing modes, steel tower cross-arm 3 ground connection, described wire 28 also connects steel tower cross-arm 3, to such an extent as to wire 28 ground connection easily.
According to above-described structure of the present utility model, further set forth the present embodiment:
This high-voltage line lightning arrester comprises lightning arrester body, insulator fixedly discharging gap, counter, metal oxide resistance post used adopts excellent voltage-current characteristic, outstanding energy absorption capability and large electric current tolerance, excellent performance, reliability is high, and volume is little, lightweight; Insulator gap and resistor disc post adopt the big or small beveled structure of particular design, have excellent resistant characteristic (the above heavy pollution of IV level area), better ageing-resistant performance, higher tearing toughness and ice-covering-proof effect preferably.
Lightning arrester body adopts injection moulding technique of silicon rubber that the space is filled by silastic material, make lightning arrester body become not aeriferous solid integral body, good sealing property, explosion-resistance characteristic and the mechanical performance that possesses (bending resistance and tension).
The insulator used of lightning arrester is discharging gap fixedly, and this structure flash-over characteristic is excellent, and is simple in structure, easy for installation, reliability is high, due to the buffer action in insulator gap, when lightning arrester breaks down, do not affect the normal operation of system, but and charged for replacement fault lightning arrester.
Comprehensive above structure of the present utility model and the improved explanation of embodiment part are as can be known; A kind of high-voltage line lightning arrester of the present utility model; Changed and originally only power transmission line and the power equipment of transformer station's line position carried out overvoltage and lightening protection; Increased the protection to the high-voltage conducting wires of whole transmission system; This device insulator used is discharging gap fixedly; Its structure has the flash-over characteristic excellence; Simple in structure; Easy for installation; High reliability; Simultaneously; Buffer action due to the gap; When lightning arrester breaks down; Do not affect the normal operation of system; But and charged for replacement fault lightning arrester.
The utility model preferred embodiment just is used for helping to set forth the utility model.Preferred embodiment does not have all details of detailed descriptionthe, does not limit this utility model yet and only is described embodiment.Obviously, according to the content of this specification, can make many modifications and variations.These embodiment are chosen and specifically described to this specification, is in order to explain better principle of the present utility model and practical application, thereby under making, the technical field technical staff can utilize the utility model well.The utility model only is subjected to the restriction of claims and four corner and equivalent.Above disclosed be only several specific embodiments of the application, but the application is not limited thereto, the changes that any person skilled in the art can think of all should drop in the application's protection range.
Claims (6)
1. high-voltage line lightning arrester, it is characterized in that, comprise lightning arrester body, insulator fixedly discharging gap, steel tower cross-arm and counter, described lightning arrester body one end is arranged on the steel tower cross-arm, the other end and insulator fixedly discharging gap one end are connected and pass through wire one electrical connection, the insulator fixedly other end of discharging gap connects high-voltage conducting wires, be provided with photoelectric sensor on described lightning arrester body, the photoelectric sensor output is by wire two linkage counters and ground connection, and described counter is arranged on the steel tower cross-arm.
2. high-voltage line lightning arrester as claimed in claim 1, it is characterized in that, described insulator is discharging gap a plurality of insulators gap of comprising the grading ring of gap insulation pipe, bilateral symmetry setting and being arranged on two grading ring inboards fixedly, and described insulator gap and grading ring are set on the gap insulation pipe.
3. high-voltage line lightning arrester as claimed in claim 1, it is characterized in that, described lightning arrester body comprises body insulated tube and resistor disc post, between the insulating coating of described body insulated tube and resistor disc post and body insulated tube, fill by silastic material in the space, and described lightning arrester body is not aeriferous solid.
4. high-voltage line lightning arrester as claimed in claim 1, is characterized in that, device comprises that also described insulator string one end is fixedly connected with the steel tower cross-arm for the fixing insulator string of high-voltage conducting wires, other end connection high-voltage conducting wires.
5. high-voltage line lightning arrester as claimed in claim 1, is characterized in that, described lightning arrester body is articulated on described steel tower cross-arm by link plate.
6. high-voltage line lightning arrester as claimed in claim 1, is characterized in that, described steel tower cross-arm ground connection, and described wire two also connects the steel tower cross-arm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320209455 CN203260987U (en) | 2013-04-22 | 2013-04-22 | High-voltage line lightning arrester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320209455 CN203260987U (en) | 2013-04-22 | 2013-04-22 | High-voltage line lightning arrester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203260987U true CN203260987U (en) | 2013-10-30 |
Family
ID=49473525
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320209455 Expired - Fee Related CN203260987U (en) | 2013-04-22 | 2013-04-22 | High-voltage line lightning arrester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203260987U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106655067A (en) * | 2016-09-27 | 2017-05-10 | 国网浙江省电力公司丽水供电公司 | Line flashover protector |
| CN107431334A (en) * | 2015-03-24 | 2017-12-01 | 西门子公司 | Seal for overhead line |
| CN109004615A (en) * | 2018-08-01 | 2018-12-14 | 华润电力风能（阳江）有限公司 | A kind of lightning protection combination unit |
-
2013
- 2013-04-22 CN CN 201320209455 patent/CN203260987U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107431334A (en) * | 2015-03-24 | 2017-12-01 | 西门子公司 | Seal for overhead line |
| CN107431334B (en) * | 2015-03-24 | 2020-05-15 | 西门子公司 | Insulation device for overhead line |
| US10672541B2 (en) | 2015-03-24 | 2020-06-02 | Siemens Aktiengesellschaft | Insulator arrangement for an overhead line |
| CN106655067A (en) * | 2016-09-27 | 2017-05-10 | 国网浙江省电力公司丽水供电公司 | Line flashover protector |
| CN109004615A (en) * | 2018-08-01 | 2018-12-14 | 华润电力风能（阳江）有限公司 | A kind of lightning protection combination unit |
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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: 20131030 Termination date: 20150422 |
|
| EXPY | Termination of patent right or utility model |