CN204271636U - A kind of porcelain pole arm lightning protection hardware - Google Patents
A kind of porcelain pole arm lightning protection hardware Download PDFInfo
- Publication number
- CN204271636U CN204271636U CN201420706970.9U CN201420706970U CN204271636U CN 204271636 U CN204271636 U CN 204271636U CN 201420706970 U CN201420706970 U CN 201420706970U CN 204271636 U CN204271636 U CN 204271636U
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- aluminium alloy
- insulated conductor
- pole arm
- anchor ear
- porcelain pole
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Abstract
The utility model discloses a kind of porcelain pole arm lightning protection hardware, be applied on insulated conductor and the chapeau de fer between porcelain pole arm and insulated conductor, be used in combination with the metalwork of porcelain pole arm, comprise starting rod, aluminium alloy anchor ear, the first insulating blanked clamper wire aluminium alloy gold utensil and the first striking insulated conductor; Described aluminium alloy anchor ear is fixed on the chapeau de fer between porcelain pole arm and insulated conductor, one end of described starting rod is fixedly connected with the side of insulation aluminum alloy anchor ear, the main body of starting rod extends from insulation aluminum alloy anchor ear to the metalwork bottom porcelain pole arm, its other end is spherical arc end, leaves discharging gap between arc end and metalwork; First insulating blanked clamper wire aluminium alloy gold utensil is fixed on insulated conductor, and is electrically connected aluminium alloy anchor ear by the first striking insulated conductor.The utility model lightning protection hardware in systems in which with automatic reclosing with the use of, lightning current can be released in time, play and prevent Broken of Overhead Insulation Lines By Lightning, insulator from demolishing and reduce the defencive function of lightning stroke trip.
Description
Technical field
The utility model relates to the lightning protection device of electric power system, is specifically related to a kind of porcelain pole arm lightning protection hardware.
Background technology
10kV distribution network mainly bears the task of directly providing electric energy towards users, but due to this network the landform of process, landforms various, line insulation level is low, do not adopt method such as erection lightning conducter, coupling ground wire etc., therefore very easily frequently there is the problems such as lightning-caused breaking, porcelain insulator explosion, line flashover, line-to-ground and tripping operation after being struck by lightning in it.
Porcelain pole arm, generally to be glued together with adhesive by insulating part (as porcelain piece) and metal-ware (as steel pin, chapeau de fer, flange etc.) or machinery clamps and forms.Insulator is applied very wide in electric power system, generally belongs to external insulation, works in atmospheric conditions.Overhead transmission line, power plant and the bus of electric substation and the external belt electric conductor of various electric equipment must use insulator support, and make it the conductor insulation having potential difference with the earth (or ground connection thing) or other.Porcelain pole arm can ensure that wire and cross-arm, shaft tower have enough insulation.It is in operation and bears the loading of wire vertical direction and the pulling force of horizontal direction.It also undergos Exposure to Sunlight, drench with rain, the corrosion of climate change and chemical substance.Therefore, porcelain pole arm should have good electric property, has enough mechanical strengths again.The safe operation of quality to circuit of insulator is very important.
At present, affect the principal element of circuit safe operation during lightning fault, porcelain pole arm is after being impacted by thunder and lightning arc repeatedly, and the huge energy produced by power frequency continued flow, can cause the problems such as porcelain pole arm surface localized burn, line flashover, lightning-caused breaking and tripping operation.
Utility model content
The purpose of this utility model is to overcome above-mentioned deficiency, provides a kind of and forms short-channel by flashover electric discharge and play the lightning protection hardware that protection porcelain pole arm exempts from broken by lightning.
For reaching the object of above-mentioned utility model, the utility model is achieved through the following technical solutions:
A kind of porcelain pole arm lightning protection hardware of the present utility model, be applied on insulated conductor and the chapeau de fer between porcelain pole arm and insulated conductor, be used in combination with the metalwork bottom porcelain pole arm, comprise starting rod, aluminium alloy anchor ear, the first insulating blanked clamper wire aluminium alloy gold utensil and the first striking insulated conductor; Described aluminium alloy anchor ear is fixed on the chapeau de fer between porcelain pole arm and insulated conductor, one end of described starting rod is fixedly connected with the side of insulation aluminum alloy anchor ear, the main body of starting rod extends from insulation aluminum alloy anchor ear to the metalwork bottom porcelain pole arm, its other end is spherical arc end, leaves discharging gap between arc end and metalwork; First insulating blanked clamper wire aluminium alloy gold utensil is fixed on insulated conductor, and is electrically connected aluminium alloy anchor ear by the first striking insulated conductor.Therefore, when installing this lightning protection hardware, do not need to change original circuit porcelain pole arm, easy for installation, small investment.
Porcelain pole arm lightning protection hardware also includes the second insulating blanked clamper wire aluminium alloy gold utensil and the second striking insulated conductor, and the second insulating blanked clamper wire aluminium alloy gold utensil is fixed on insulated conductor, and is electrically connected by the second striking insulated conductor and insulation aluminum alloy anchor ear.This increase second insulation clamp and the second striking insulated conductor in order to provide the lightning protection fail safe of gold utensil, in order to avoid lightning current is excessive exceed lightning protection hardware bearing capacity.
Further, porcelain pole arm lightning protection hardware also comprises the first insulating shield and the second insulating shield, is coated on respectively on the first insulating blanked clamper wire aluminium alloy gold utensil and the second insulating blanked clamper wire aluminium alloy gold utensil, and all has opening in bottom to draw wire.Insulating shield is in order to prevent insulated conductor attached water short circuit first insulating blanked clamper wire aluminium alloy gold utensil and the second insulating blanked clamper wire aluminium alloy gold utensil.
Described first insulating blanked clamper wire aluminium alloy gold utensil and the second clamp aluminum alloy hardware have included straight conductor rod and piercing fixture, piercing fixture and insulated conductor puncture conducting, straight conductor rod is fixed on piercing fixture, and its one end is in order to be electrically connected with aluminium alloy anchor ear.Further, the piercing clamp-replacing of described first insulating blanked clamper wire aluminium alloy gold utensil and the second insulating blanked clamper wire aluminium alloy gold utensil is non-piercing formula fixture, and this non-piercing formula fixture is fixed on the insulation displacement position of insulated conductor.
Adopt the fixture of piercing structure, can divest wire insulation, avoid core to intake and corrosion, installation is very convenient, greatly can alleviate the labour intensity of operator;
Described starting rod and aluminium alloy anchor ear are formed in one structure, can prevent from forming contact resistance and the junction of blowing starting rod and aluminium alloy anchor ear in thunderbolt.
Described starting rod, spheric electrode and aluminium alloy anchor ear are high-strength aluminum alloy material, magnetic hysteresis loss and the eddy current loss of producing to obtain in can avoiding being run by ferromagnetic material, thus realize the effect of energy-conserving and environment-protective.
Porcelain pole arm lightning protection hardware of the present utility model is arranged on porcelain pole arm and insulated conductor, the discharge voltage in gap is adjusted to the impulse flashover voltage being slightly less than porcelain pole arm, when thunderbolt circuit, under lightning overvoltage effect, discharging gap action, makes afterflow power frequency arc move on starting rod and burns.The simple for structure of lightning protection hardware of the present utility model is convenient to walkaround inspection, does not substantially need to safeguard.Pure air breakdown is belonged to after gap breakdown, pure air gap be subject to air go dissociate, act on electric power and wind-force, strong along face arc-rupturing capacity than insulator of the arc-rupturing capacity of pure air gap, make circuit recover normal, and other lightning protection measures matches and significantly can improve power supply reliability.
Accompanying drawing explanation
Fig. 1 is the structural representation of porcelain pole arm lightning protection hardware of the present utility model.
Embodiment
Be clearly and completely described the technical scheme in the utility model embodiment below in conjunction with drawings and Examples, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiment.
Refer to Fig. 1, Fig. 1 is the structural representation of porcelain pole arm lightning protection hardware of the present utility model, the porcelain pole arm lightning protection hardware of this embodiment includes starting rod 1, first clamp aluminum alloy hardware 21, striking insulated conductor 31 and insulation aluminum alloy anchor ear 4, and above-mentioned starting rod 1, first clamp aluminum alloy hardware 21 and insulation aluminum alloy anchor ear 4 are all adopt high-strength aluminum alloy material.
One end of described starting rod 1 is fixedly connected with the side of insulation aluminum alloy anchor ear 4, the main body of starting rod 1 extends from insulation aluminum alloy anchor ear 4 to the metalwork 62 bottom porcelain pole arm 6, its other end is spherical arc end 102, leaves discharging gap A between arc end 102 and metalwork 62.
Described insulation aluminum alloy anchor ear 3 is fixed between porcelain pole arm 6 and insulated conductor 7, and is enclosed within the chapeau de fer 61 of porcelain pole arm 6.
Further, above-mentioned starting rod 1 and insulation aluminum alloy anchor ear 4 adopt integrated formed structure.
Described first clamp aluminum alloy hardware 21 includes a straight conductor rod 211 and piercing fixture 212, piercing fixture 212 is clipped on insulated cable 7, straight conductor rod 211 is fixed on insulated cable 7 by piercing fixture 212, and one end of straight conductor rod 21 is electrically connected with insulation aluminum alloy anchor ear 4 by the first striking insulated conductor 31.
Or above-mentioned first clamp aluminum alloy hardware 21 comprises non-piercing formula fixture, this non-piercing formula fixture is clipped on insulated cable 7 and divests on the position of insulating barrier.
Above-mentioned porcelain pole arm lightning protection hardware also includes the second clamp aluminum alloy hardware 22, it has the structure and material identical with the first clamp aluminum alloy hardware 21, is electrically connected by the second clamp aluminum alloy hardware 22 by the second striking insulated conductor 32 with insulation aluminum alloy anchor ear 4.
First clamp aluminum alloy hardware 21 and the second clamp aluminum alloy hardware 22 are respectively by the first insulating shield 51 and the second insulating shield 52 integral coating, the bottom of the first insulating shield 51 and the second insulating shield 52 has opening, in order to draw above-mentioned first insulation striking wire 31 or the second insulation striking wire 32.
The arc end 102 of above-mentioned starting rod 1 and the metalwork 62 of porcelain pole arm 6 are oppositely arranged, between distance be discharging gap A, the parameter according to protected porcelain pole arm 6 is adjusted to optimal discharge gap.Because the metalwork 62 of porcelain pole arm 6 is fixed on cement pole 9 by porcelain pole arm anchor ear 8, thus make the metalwork 62 of porcelain pole arm 6 be in ground state, the discharge voltage of discharging gap A is adjusted to the impulse flashover voltage being slightly less than insulator, when thunderbolt circuit, under lightning overvoltage effect, discharging gap A action, afterflow power frequency arc is moved on starting rod burn, this lightning protection hardware in systems in which with automatic reclosing with the use of, lightning current can be released in time, play and prevent Broken of Overhead Insulation Lines By Lightning, the defencive function of insulator demolition and minimizing lightning stroke trip.
Above-described embodiment only in order to the utility model is described and and technical scheme described by unrestricted the utility model; Therefore, although this specification has been described in detail the utility model with reference to each above-mentioned embodiment, those of ordinary skill in the art should be appreciated that and still can modify to the utility model or equivalent replacement; And all do not depart from technical scheme and the improvement thereof of spirit and scope of the present utility model, it all should be encompassed in the middle of right of the present utility model.
Claims (6)
1. a porcelain pole arm lightning protection hardware, be applied on insulated conductor and the chapeau de fer between porcelain pole arm and insulated conductor, be used in combination with the metalwork bottom porcelain pole arm, it is characterized in that: comprise starting rod, aluminium alloy anchor ear, the first insulating blanked clamper wire aluminium alloy gold utensil and the first striking insulated conductor; Described aluminium alloy anchor ear is fixed on the chapeau de fer between porcelain pole arm and insulated conductor, one end of described starting rod is fixedly connected with the side of insulation aluminum alloy anchor ear, the main body of starting rod extends from insulation aluminum alloy anchor ear to the metalwork bottom porcelain pole arm, its other end is spherical arc end, leaves discharging gap between arc end and metalwork; First insulating blanked clamper wire aluminium alloy gold utensil is fixed on insulated conductor, and is electrically connected aluminium alloy anchor ear by the first striking insulated conductor.
2. porcelain pole arm lightning protection hardware according to claim 1, it is characterized in that: also include the second insulating blanked clamper wire aluminium alloy gold utensil and the second striking insulated conductor, second insulating blanked clamper wire aluminium alloy gold utensil is fixed on insulated conductor, and is electrically connected by the second striking insulated conductor and insulation aluminum alloy anchor ear.
3. porcelain pole arm lightning protection hardware according to claim 2, it is characterized in that: also comprise the first insulating shield and the second insulating shield, be coated on respectively on the first insulating blanked clamper wire aluminium alloy gold utensil and the second insulating blanked clamper wire aluminium alloy gold utensil, and all have opening in bottom to draw wire.
4. porcelain pole arm lightning protection hardware according to claim 2, it is characterized in that: described first insulating blanked clamper wire aluminium alloy gold utensil and the second clamp aluminum alloy hardware have included straight conductor rod and piercing fixture, piercing fixture and insulated conductor puncture conducting, straight conductor rod is fixed on piercing fixture, and its one end is in order to be electrically connected with aluminium alloy anchor ear.
5. porcelain pole arm lightning protection hardware according to claim 3, it is characterized in that: the piercing clamp-replacing of described first insulating blanked clamper wire aluminium alloy gold utensil and the second insulating blanked clamper wire aluminium alloy gold utensil is non-piercing formula fixture, and this non-piercing formula fixture is fixed on the insulation displacement position of insulated conductor.
6. porcelain pole arm lightning protection hardware according to claim 1, is characterized in that: described starting rod and aluminium alloy anchor ear are formed in one structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420706970.9U CN204271636U (en) | 2014-11-21 | 2014-11-21 | A kind of porcelain pole arm lightning protection hardware |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420706970.9U CN204271636U (en) | 2014-11-21 | 2014-11-21 | A kind of porcelain pole arm lightning protection hardware |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204271636U true CN204271636U (en) | 2015-04-15 |
Family
ID=52806481
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420706970.9U Active CN204271636U (en) | 2014-11-21 | 2014-11-21 | A kind of porcelain pole arm lightning protection hardware |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204271636U (en) |
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2014
- 2014-11-21 CN CN201420706970.9U patent/CN204271636U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 510900 Guangdong city of Guangzhou province Conghua District Road No. 40 Co-patentee after: GUANGZHOU ZHONGGUANG ELECTRIC TECHNOLOGY Co.,Ltd. Patentee after: GUANGZHOU POWER SUPPLY BUREAU Address before: 510900 Guangdong city of Guangzhou province Conghua District Road No. 40 Co-patentee before: GUANGZHOU ZHONGGUANG ELECTRONIC TECHNOLOGY Co.,Ltd. Patentee before: GUANGZHOU POWER SUPPLY BUREAU |
|
| CP01 | Change in the name or title of a patent holder | ||
| CP03 | Change of name, title or address |
Address after: No. 40, Fuqian Road, Jiekou Street, Conghua District, Guangzhou, Guangdong 510999 Patentee after: Guangdong Power Grid Co.,Ltd. Guangzhou Conghua Power Supply Bureau Patentee after: GUANGZHOU ZHONGGUANG ELECTRIC TECHNOLOGY Co.,Ltd. Address before: No. 40, Fuqian Road, Conghua District, Guangzhou, Guangdong 510900 Patentee before: GUANGZHOU POWER SUPPLY BUREAU Patentee before: GUANGZHOU ZHONGGUANG ELECTRIC TECHNOLOGY Co.,Ltd. |
|
| CP03 | Change of name, title or address | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230607 Address after: 510620, No. two, No. 2, Tianhe South Road, Guangzhou, Guangdong, Tianhe District Patentee after: Guangzhou Power Supply Bureau of Guangdong Power Grid Co.,Ltd. Address before: No. 40, Fuqian Road, Jiekou Street, Conghua District, Guangzhou, Guangdong 510999 Patentee before: Guangdong Power Grid Co.,Ltd. Guangzhou Conghua Power Supply Bureau Patentee before: GUANGZHOU ZHONGGUANG ELECTRIC TECHNOLOGY Co.,Ltd. |
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| TR01 | Transfer of patent right |