CN103269014A - Electric power line arrester - Google Patents
Electric power line arrester Download PDFInfo
- Publication number
- CN103269014A CN103269014A CN2013101677414A CN201310167741A CN103269014A CN 103269014 A CN103269014 A CN 103269014A CN 2013101677414 A CN2013101677414 A CN 2013101677414A CN 201310167741 A CN201310167741 A CN 201310167741A CN 103269014 A CN103269014 A CN 103269014A
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- lightning arrester
- insulator body
- insulated conductor
- electrode
- bearing plate
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Abstract
An electric power line arrester comprises an insulated wire, an insulator body and an arrester body. The upper end of the insulator body is connected with the insulated wire through a first QTCFH, the lower end of the insulator body is connected with a rail, the insulator body is supported by the rail, and a bearing plate which extends outside is further arranged at the lower end of the insulator body. The arrester body is fixedly installed at the outer end of the bearing plate. A spherical discharge electrode is installed at the top end of the arrester body. A spherical electricity conducting electrode is fixedly connected to the insulated wire through a second QTCFH. The electricity conducting electrode is located above the discharge electrode and deviates from the central axis of the arrester body. The electric power line arrester is small in size, light in weight, and convenient to install, and can bring convenience for daily overhauling, demounting, mounting or replacement. The arrester and an insulator are combined into a whole, cost of the line is reduced, installing steps are simplified, and installing efficiency is improved.
Description
Technical field
The present invention relates to a kind of electric power system, be specifically related to the power circuit lightning arrester.
Background technology
Lightning arrester is used widely in power transmission and transformation power system, and it is by discharging thunder and lightning or power system operation overvoltage energy, and the protection power equipment is avoided instantaneous overvoltage harm, can block afterflow again, the unlikely electrical installation that causes the system earth short circuit.Lightning arrester is connected between live wire and the ground usually, and is in parallel with protected equipment.Lightning arrester is under system's normal working voltage, and lightning arrester is high resistance state, only has the electric current of microampere order to pass through, and is in off state for ground; When overvoltage value reached specified action voltage, lightning arrester moved immediately, presented low resistance; high voltage is impacted the guiding the earth, thereby the over-voltage amplitude is protected apparatus insulated; after magnitude of voltage was normal, lightning arrester restored to the original state rapidly, to guarantee system's normal power supply.
Summary of the invention
Defective at prior art exists the objective of the invention is to propose a kind of power circuit lightning arrester.
Technical scheme of the present invention is:
A kind of power circuit lightning arrester, comprise insulated conductor, insulator body and lightning arrester body, it is characterized in that, described insulator body upper end is connected on the insulated conductor by the first preventing arc penetrating cable clamp, the lower end of described insulator body is connected with crosspiece and insulator body is supported by crosspiece, the lower end of described insulator body also be provided with one stretch to the outside bearing plate, be installed with lightning arrester body on the outer end of described bearing plate, the top of lightning arrester body is equipped with spherical sparking electrode, the one spherical electrode that draws is fixedly connected on the insulated conductor by the second preventing arc penetrating cable clamp, describedly draw the top that electrode is positioned at sparking electrode, describedly draw the central axis that electrode departs from lightning arrester body.
Optimal technical scheme is, the described second preventing arc penetrating cable clamp comprises wire clamp seat, puncture briquetting, clamp nut, described insulated conductor passes from the space that wire clamp seat and puncture form between the briquetting and the wire clamp seat is fixed by clamp nut between the briquetting with puncturing, described wire clamp seat below is provided with the insulation starting rod, and the end of described insulation starting rod is provided with and draws electrode.
Optimal technical scheme is, the described first preventing arc penetrating cable clamp comprises wire clamp seat, puncture briquetting, clamp nut, described insulated conductor passes from the space that wire clamp seat and puncture form between the briquetting and the wire clamp seat is fixed by clamp nut between the briquetting with puncturing, and fixedlys connected with insulator body in the below of described wire clamp seat.
Optimal technical scheme is, the distance between the center of described center of drawing electrode and sparking electrode is 100mm-150mm.
Optimal technical scheme is, described bearing plate is the flap of aluminum alloy material, and an end of bearing plate is socketed in the lower end of insulator body, and the middle part of bearing plate bends extension downwards, and lightning arrester body is vertically mounted on the outer end of bearing plate.Further, described insulator body arranges with respect to vertical with insulated conductor, and the central axis of described lightning arrester body is 15 degree-30 degree with respect to the angle of inclination between the central axis of insulator body.
Optimal technical scheme is that described insulation starting rod is obliquely installed with respect to insulated conductor.Further, the slanted angle between described insulation starting rod and the insulated conductor is 30 degree-45 degree.
Useful technique effect of the present invention is:
Volume of the present invention is little, and is in light weight, easy for installation, is convenient to daily maintenance dismounting or replacing.The present invention is connected lightning arrester and is integrated with insulator, reduced line cost, has simplified installation steps, has improved installation effectiveness; Carry out insulation coordination by a large amount of thunder and lightning tests, determined gap width, can guarantee that lightning discharge occurs between this air gap, need not during installation to regulate again.
Description of drawings
Fig. 1 is the structural representation of embodiment of the invention power circuit lightning arrester.
Fig. 2 is the structural representation of its second preventing arc penetrating cable clamp of the present invention.
The object of the invention realization, functional characteristics and advantage will be in conjunction with the embodiments, are described further with reference to accompanying drawing.
Embodiment
Should be appreciated that specific embodiment described herein only in order to explaining the present invention, and be not used in restriction the present invention.
A kind of power circuit lightning arrester, comprise insulated conductor 1, insulator body 2 and lightning arrester body 3, described insulator body 2 upper ends are connected on the insulated conductor 1 by the first preventing arc penetrating cable clamp 4, the lower end of described insulator body 2 is connected with crosspiece 5 and insulator body 2 is supported by crosspiece 5, the lower end of described insulator body 2 also be provided with one stretch to the outside bearing plate 6, be installed with lightning arrester body 3 on the outer end of described bearing plate 6, the top of lightning arrester body 3 is equipped with spherical sparking electrode 7, the one spherical electrode 8 that draws is fixedly connected on the insulated conductor 1 by the second preventing arc penetrating cable clamp 9, describedly draw the top that electrode 8 is positioned at sparking electrode 7, describedly draw the central axis that electrode 8 departs from lightning arrester body 3.
Feature of the present invention is, the described second preventing arc penetrating cable clamp 9 comprises wire clamp seat 901, puncture briquetting 902, clamp nut 903, described insulated conductor 1 from the space that forms between wire clamp seat 901 and the puncture briquetting 902 pass and wire clamp seat 901 and puncture briquetting 902 between fix by clamp nut 903, described wire clamp seat 901 belows are provided with insulation starting rod 904, and the end of described insulation starting rod 904 is provided with and draws electrode 8.
Feature of the present invention is, the described first preventing arc penetrating cable clamp 4 comprises wire clamp seat, puncture briquetting, clamp nut, described insulated conductor passes from the space that wire clamp seat and puncture form between the briquetting and the wire clamp seat is fixed by clamp nut between the briquetting with puncturing, and fixedlys connected with insulator body in the below of described wire clamp seat.
Feature of the present invention is, the distance between the center of described center of drawing electrode 8 and sparking electrode 7 is 100mm-150mm.
Feature of the present invention is, described bearing plate 6 is the flap of aluminum alloy material, and an end of bearing plate 6 is socketed in the lower end of insulator body 2, and the middle part of bearing plate 6 bends extension downwards, and lightning arrester body 3 is vertically mounted on the outer end of bearing plate 6.Further, described insulator body 2 with respect to insulated conductor 1 vertical setting, the central axis of described lightning arrester body 3 with respect to the angle of inclination between the central axis of insulator body 2 be 15 the degree-30 the degree.
Feature of the present invention is that described insulation starting rod 904 is obliquely installed with respect to insulated conductor 1.Further, the slanted angle between described insulation starting rod 904 and the insulated conductor 1 is 30 degree-45 degree.
Fig. 1 is the structural representation of embodiment of the invention power circuit lightning arrester, as shown in Figure 1, a kind of power circuit lightning arrester, comprise insulated conductor 1, insulator body 2 and lightning arrester body 3, described insulator body 2 upper ends are connected on the insulated conductor 1 by the first preventing arc penetrating cable clamp 4, the lower end of described insulator body 2 is connected with crosspiece 5 and insulator body 2 is supported by crosspiece 5, the lower end of described insulator body 2 also be provided with one stretch to the outside bearing plate 6, be installed with lightning arrester body 3 on the outer end of described bearing plate 6, the top of lightning arrester body 3 is equipped with spherical sparking electrode 7, the one spherical electrode 8 that draws is fixedly connected on the insulated conductor 1 by the second preventing arc penetrating cable clamp 9, describedly draw the top that electrode 8 is positioned at sparking electrode 7, describedly draw the central axis that electrode 8 departs from lightning arrester body 3.
With reference to Fig. 2, the described second preventing arc penetrating cable clamp 9 comprises wire clamp seat 901, puncture briquetting 902, clamp nut 903, described insulated conductor 1 from the space that forms between wire clamp seat 901 and the puncture briquetting 902 pass and wire clamp seat 901 and puncture briquetting 902 between fix by clamp nut 903, described wire clamp seat 901 belows are provided with insulation starting rod 904, and the end of described insulation starting rod 904 is provided with and draws electrode 8.
Same, the described first preventing arc penetrating cable clamp 4 of the present invention comprises wire clamp seat, puncture briquetting, clamp nut, described insulated conductor passes from the space that wire clamp seat and puncture form between the briquetting and the wire clamp seat is fixed by clamp nut between the briquetting with puncturing, and fixedlys connected with insulator body in the below of described wire clamp seat.
Distance between the center of described center of drawing electrode 8 and sparking electrode 7 is 100mm-150mm.Described bearing plate 6 is the flap of aluminum alloy material, and an end of bearing plate 6 is socketed in the lower end of insulator body 2, and the middle part of bearing plate 6 bends extension downwards, and lightning arrester body 3 is vertically mounted on the outer end of bearing plate 6.Further, described insulator body 2 with respect to insulated conductor 1 vertical setting, the central axis of described lightning arrester body 3 with respect to the angle of inclination between the central axis of insulator body 2 be 15 the degree-30 the degree.Described insulation starting rod 904 is obliquely installed with respect to insulated conductor 1.Further, the slanted angle between described insulation starting rod 904 and the insulated conductor 1 is 30 degree-45 degree.
The above only is the preferred embodiments of the present invention; be not so limit claim of the present invention; every equivalent structure transformation that utilizes description of the present invention to do, or directly or indirectly be used in other relevant technical fields, all in like manner be included in the scope of patent protection of the present invention.
Claims (8)
1. power circuit lightning arrester, comprise insulated conductor, insulator body and lightning arrester body, it is characterized in that, described insulator body upper end is connected on the insulated conductor by the first preventing arc penetrating cable clamp, the lower end of described insulator body is connected with crosspiece and insulator body is supported by crosspiece, the lower end of described insulator body also be provided with one stretch to the outside bearing plate, be installed with lightning arrester body on the outer end of described bearing plate, the top of lightning arrester body is equipped with spherical sparking electrode, the one spherical electrode that draws is fixedly connected on the insulated conductor by the second preventing arc penetrating cable clamp, describedly draw the top that electrode is positioned at sparking electrode, describedly draw the central axis that electrode departs from lightning arrester body.
2. power circuit lightning arrester according to claim 1, it is characterized in that, the described second preventing arc penetrating cable clamp comprises wire clamp seat, puncture briquetting, clamp nut, described insulated conductor passes from the space that wire clamp seat and puncture form between the briquetting and the wire clamp seat is fixed by clamp nut between the briquetting with puncturing, described wire clamp seat below is provided with the insulation starting rod, and the end of described insulation starting rod is provided with and draws electrode.
3. power circuit lightning arrester according to claim 2, it is characterized in that, the described first preventing arc penetrating cable clamp comprises wire clamp seat, puncture briquetting, clamp nut, described insulated conductor passes from the space that wire clamp seat and puncture form between the briquetting and the wire clamp seat is fixed by clamp nut between the briquetting with puncturing, and fixedlys connected with insulator body in the below of described wire clamp seat.
4. power circuit lightning arrester according to claim 3 is characterized in that, the distance between the center of described center of drawing electrode and sparking electrode is 100mm-150mm.
5. according to the described power circuit lightning arrester of arbitrary claim in the claim 1 to 4, it is characterized in that, described bearing plate is the flap of aluminum alloy material, one end of bearing plate is socketed in the lower end of insulator body, the middle part of bearing plate bends extension downwards, and lightning arrester body is vertically mounted on the outer end of bearing plate.
6. power circuit lightning arrester according to claim 5, it is characterized in that, described insulator body arranges with respect to vertical with insulated conductor, and the central axis of described lightning arrester body is 15 degree-30 degree with respect to the angle of inclination between the central axis of insulator body.
7. power circuit lightning arrester according to claim 6 is characterized in that, described insulation starting rod is obliquely installed with respect to insulated conductor.
8. power circuit lightning arrester according to claim 7 is characterized in that, the slanted angle between described insulation starting rod and the insulated conductor is 30 degree-45 degree.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013101677414A CN103269014A (en) | 2013-05-09 | 2013-05-09 | Electric power line arrester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013101677414A CN103269014A (en) | 2013-05-09 | 2013-05-09 | Electric power line arrester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103269014A true CN103269014A (en) | 2013-08-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013101677414A Pending CN103269014A (en) | 2013-05-09 | 2013-05-09 | Electric power line arrester |
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| Country | Link |
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| CN (1) | CN103269014A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103812007A (en) * | 2014-01-24 | 2014-05-21 | 广州供电局有限公司 | Band gap puffer type medium voltage lightning arrester for overhead distribution line |
| CN104409969A (en) * | 2014-12-02 | 2015-03-11 | 国家电网公司 | Self-arc-quenching parallel gap device |
| CN105427970A (en) * | 2015-12-22 | 2016-03-23 | 国网上海市电力公司 | Lightning protection device |
| CN111446626A (en) * | 2020-05-14 | 2020-07-24 | 国网湖北省电力有限公司十堰供电公司 | Electric arc-proof fitting |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201204384Y (en) * | 2008-05-22 | 2009-03-04 | 广州开能电气实业有限公司 | Lightning protection device for overhead conductor |
| CN201213082Y (en) * | 2008-06-24 | 2009-03-25 | 合肥固力发电气有限公司 | Puncture type lightning preventing insulator |
| CN202058515U (en) * | 2011-05-30 | 2011-11-30 | 浙江恒大科技电气有限公司 | Insulating overhead line insulator lightning protection overvoltage protector |
| CN202650738U (en) * | 2012-07-09 | 2013-01-02 | 国家电网公司 | Electric discharge clamping porcelain insulator |
-
2013
- 2013-05-09 CN CN2013101677414A patent/CN103269014A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201204384Y (en) * | 2008-05-22 | 2009-03-04 | 广州开能电气实业有限公司 | Lightning protection device for overhead conductor |
| CN201213082Y (en) * | 2008-06-24 | 2009-03-25 | 合肥固力发电气有限公司 | Puncture type lightning preventing insulator |
| CN202058515U (en) * | 2011-05-30 | 2011-11-30 | 浙江恒大科技电气有限公司 | Insulating overhead line insulator lightning protection overvoltage protector |
| CN202650738U (en) * | 2012-07-09 | 2013-01-02 | 国家电网公司 | Electric discharge clamping porcelain insulator |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103812007A (en) * | 2014-01-24 | 2014-05-21 | 广州供电局有限公司 | Band gap puffer type medium voltage lightning arrester for overhead distribution line |
| CN104409969A (en) * | 2014-12-02 | 2015-03-11 | 国家电网公司 | Self-arc-quenching parallel gap device |
| CN105427970A (en) * | 2015-12-22 | 2016-03-23 | 国网上海市电力公司 | Lightning protection device |
| CN111446626A (en) * | 2020-05-14 | 2020-07-24 | 国网湖北省电力有限公司十堰供电公司 | Electric arc-proof fitting |
| CN111446626B (en) * | 2020-05-14 | 2024-01-30 | 国网湖北省电力有限公司十堰供电公司 | Electric arc-proof hardware fitting |
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Application publication date: 20130828 |