CN203218707U - Electric power circuit lightning arrester - Google Patents
Electric power circuit lightning arrester Download PDFInfo
- Publication number
- CN203218707U CN203218707U CN 201320246720 CN201320246720U CN203218707U CN 203218707 U CN203218707 U CN 203218707U CN 201320246720 CN201320246720 CN 201320246720 CN 201320246720 U CN201320246720 U CN 201320246720U CN 203218707 U CN203218707 U CN 203218707U
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- China
- Prior art keywords
- lightning arrester
- insulator body
- power circuit
- insulated conductor
- electrode
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- 239000012212 insulator Substances 0.000 claims abstract description 43
- 239000004020 conductor Substances 0.000 claims description 32
- 238000009413 insulation Methods 0.000 claims description 17
- 230000000149 penetrating effect Effects 0.000 claims description 17
- 229910000838 Al alloy Inorganic materials 0.000 claims description 4
- 239000000956 alloy Substances 0.000 claims description 4
- 238000009434 installation Methods 0.000 abstract description 7
- 238000012423 maintenance Methods 0.000 abstract description 2
- 230000009466 transformation Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010616 electrical installation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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Abstract
An electric power circuit lightning arrester comprises an insulated wire, an insulator body and a lightning arrester body. An upper end of the insulator body is connected to the insulated wire through a first arc-preventing puncture wire clamp; a lower end of the insulator body is connected to a crosspiece, which supports the insulator body; the lower end of the insulator body is provided with a carrying plate extending outwards; an external end of the carrying plate is fixedly provided with the lightning arrester body; the top of the lightning arrester body is installed with a spherical discharge electrode; a spherical electric guide electrode is fixedly connected to the insulated wire through a second arc-preventing puncture wire clamp; and the electric guide electrode is above the discharge electrode and deviates from a central axis of the lightning arrester body. The utility model has advantages of small volume, light weight, and convenience for installation and daily maintenance dismounting or replacement. The utility model combines the lightning arrester and the insulator into a whole, reduces cost of the circuit, simplifies installation steps and increases installation efficiency.
Description
Technical field
The utility model relates to a kind of electric power system, is 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.
The utility model content
At the defective that prior art exists, the purpose of this utility model is to propose a kind of power circuit lightning arrester.
The technical solution of the utility model 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 utility model is:
The utility model volume is little, and is in light weight, easy for installation, is convenient to daily maintenance dismounting or replacing.The utility model 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 the utility model embodiment power circuit lightning arrester.
Fig. 2 is the structural representation of its second preventing arc penetrating cable clamp of the utility model.
The realization of the utility model purpose, 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 utility model, and be not used in restriction the utility model.
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 utility model 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 utility model 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 utility model is, the distance between the center of described center of drawing electrode 8 and sparking electrode 7 is 100mm-150mm.
Feature of the present utility model 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 utility model 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 the utility model embodiment 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 utility model 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 preferred embodiment of the present utility model; be not so limit claim of the present utility model; every equivalent structure transformation that utilizes the utility model description 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 utility model.
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 |
|---|---|---|---|
| CN 201320246720 CN203218707U (en) | 2013-05-09 | 2013-05-09 | Electric power circuit lightning arrester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320246720 CN203218707U (en) | 2013-05-09 | 2013-05-09 | Electric power circuit lightning arrester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203218707U true CN203218707U (en) | 2013-09-25 |
Family
ID=49208210
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320246720 Expired - Fee Related CN203218707U (en) | 2013-05-09 | 2013-05-09 | Electric power circuit lightning arrester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203218707U (en) |
-
2013
- 2013-05-09 CN CN 201320246720 patent/CN203218707U/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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130925 Termination date: 20150509 |
|
| EXPY | Termination of patent right or utility model |