CN204257304U - A kind of glass insulator lightning protection hardware - Google Patents
A kind of glass insulator lightning protection hardware Download PDFInfo
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- CN204257304U CN204257304U CN201420713220.4U CN201420713220U CN204257304U CN 204257304 U CN204257304 U CN 204257304U CN 201420713220 U CN201420713220 U CN 201420713220U CN 204257304 U CN204257304 U CN 204257304U
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- glass insulator
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- lightning protection
- starting rod
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Abstract
The utility model discloses a kind of glass insulator lightning protection hardware, is applied to the chapeau de fer between glass insulator and cross-arm, and above the insulated conductor being located at glass insulator place, comprises starting rod, spheric electrode and aluminium alloy anchor ear; Described aluminium alloy anchor ear is fixed on the chapeau de fer between glass insulator and cross-arm, and described starting rod one end is spherical arc end, and the other end is fixed on aluminium alloy anchor ear side; Spheric electrode one end is spheric end, and the other end is fixed with piercing fixture, and spheric electrode is fixed on above insulated cable by piercing fixture; The arc end of above-mentioned starting rod and the spheric end of spheric electrode are oppositely arranged, between leave discharging gap.Glass insulator lightning protection hardware of the present utility model 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 insulator lightning protection device of electric power system, is specifically related to a kind of glass insulator 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.
For supporting wire and the device making it insulate is called insulator, this insulator device is made up of glass, be called glass insulator, glass insulator has obvious advantage compared to other class insulator in mechanical strength, electric property, voltage's distribiuting etc., by the operating experience of more than 30 years, glass insulator uses in a large number on electric line, respond well, and operation maintenance is convenient.At present, the principal element of circuit safe operation is affected during lightning fault, glass insulator 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 glass insulation sub-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 cover glass insulator 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 glass insulator lightning protection hardware of the present utility model, is applied to the chapeau de fer between glass insulator and cross-arm, and above the insulated conductor at glass insulator place, comprises starting rod, spheric electrode and aluminium alloy anchor ear;
Described aluminium alloy anchor ear is fixed on the chapeau de fer between glass insulator and cross-arm, and described starting rod one end is spherical arc end, and the other end is fixed on aluminium alloy anchor ear side, therefore when installing this lightning protection hardware, do not need to change original line insulator, easy for installation, small investment;
Spheric electrode one end is spheric end, the other end is fixed with piercing fixture, spheric electrode is fixed on insulated cable by piercing fixture, adopt the fixture of piercing structure, wire insulation can be divested, avoid core to intake and corrosion, installation is very convenient, greatly can alleviate the labour intensity of operator;
The arc end of above-mentioned starting rod and the spheric end of spheric electrode are oppositely arranged, between leave discharging gap.
The barred body of described starting rod is arc, or is arc and linear compound shape, and the starting rod of arcuate structure is applicable to suspension type glass insulator, and arc and linear compound shape are then applicable to tension type glass insulator.
Be fixedly connected with for adjustable between described spheric electrode with piercing fixture, what realize discharging gap from can be adjusted to optimal discharge gap by regulating the height of spheric electrode, discharge effect is better and prevent from burning out glass insulator.
Further, the other end of described spheric electrode or be fixed with non-piercing formula fixture, this non-piercing formula fixture is fixed on the top of insulation displacement place of insulated cable.
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.
Glass insulator lightning protection hardware of the present utility model is installed in parallel on glass insulator, the discharge voltage in gap is adjusted to the impulse flashover voltage being slightly less than insulator, 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 suspension type glass insulator lightning protection hardware of the present utility model.
Fig. 2 is the structural representation of tension type glass insulator 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 and Fig. 2, Fig. 1 is the structural representation of suspension type glass insulator lightning protection hardware of the present utility model, Fig. 2 is the structural representation of tension type glass insulator lightning protection hardware of the present utility model, Fig. 1 and Fig. 2 is as the two methods embodiment of glass insulator lightning protection hardware of the present utility model, be illustrated for the embodiment of Fig. 1, the glass insulator lightning protection hardware of this embodiment includes starting rod 1, spheric electrode 2 and aluminium alloy anchor ear 3, all adopt 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,
Described starting rod 1 is camber rod, and its one end is spherical arc end 102, and the other end is fixedly connected with the side of aluminium alloy anchor ear 3;
Described aluminium alloy anchor ear 3 is fixed between glass insulator 5 and cross-arm 4, and is enclosed within the chapeau de fer 502 of glass insulator 5;
Further, above-mentioned starting rod 1 and aluminium alloy anchor ear 3 adopt integrated formed structure;
Described spheric electrode 2 is a straight conductor rod, and one end is spheric end 201, and the other end is fixed on piercing fixture 202 in adjustable mode, and spheric electrode 2 is fixed on cable 6 by described piercing fixture 202;
The arc end 102 of above-mentioned starting rod 1 and the spheric end 201 of spheric electrode 2 are oppositely arranged, between distance be discharging gap A, the parameter according to institute's cover glass insulator 5 is adjusted to optimal discharge gap,
Embodiment 2 shown in Fig. 2, identical with the composition structure of embodiment 1, difference is, the barred body of starting rod 1 is drawn from aluminium alloy anchor ear 3 with arc form, extend to spheric electrode 2 with straight bar form, spheric electrode 2 is installed in wire clamp 7 and deviates from the cable 6 of glass insulator 5 one end again.
Glass insulator lightning protection hardware of the present utility model is installed in parallel on glass insulator; the discharge voltage in gap is adjusted to the impulse flashover voltage being slightly less than insulator; when thunderbolt circuit; under lightning overvoltage effect; discharging gap 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, insulator from demolishing and reduce the defencive function of 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 (5)
1. a glass insulator lightning protection hardware, is applied to the chapeau de fer between glass insulator and cross-arm, and above the insulated conductor being located at glass insulator place, it is characterized in that: comprise starting rod, spheric electrode and aluminium alloy anchor ear; Described aluminium alloy anchor ear is fixed on the chapeau de fer between glass insulator and cross-arm, and described starting rod one end is spherical arc end, and the other end is fixed on aluminium alloy anchor ear side; Spheric electrode one end is spheric end, and the other end is fixed with piercing fixture, and spheric electrode is fixed on above insulated cable by piercing fixture; The arc end of above-mentioned starting rod and the spheric end of spheric electrode are oppositely arranged, between leave discharging gap.
2. glass insulator lightning protection hardware according to claim 1, is characterized in that: the barred body of described starting rod is arc, or is arc and linear compound shape.
3. glass insulator lightning protection hardware according to claim 1, is characterized in that: the other end of described spheric electrode or be fixed with non-piercing formula fixture, and this non-piercing formula fixture is fixed on the top of insulation displacement place of insulated cable.
4. glass insulator lightning protection hardware according to claim 1, is characterized in that: be fixedly connected with for adjustable between described spheric electrode with piercing fixture.
5. glass insulator lightning protection hardware according to claim 2, 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 |
|---|---|---|---|
| CN201420713220.4U CN204257304U (en) | 2014-11-21 | 2014-11-21 | A kind of glass insulator lightning protection hardware |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420713220.4U CN204257304U (en) | 2014-11-21 | 2014-11-21 | A kind of glass insulator lightning protection hardware |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204257304U true CN204257304U (en) | 2015-04-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420713220.4U Active CN204257304U (en) | 2014-11-21 | 2014-11-21 | A kind of glass insulator lightning protection hardware |
Country Status (1)
| Country | Link |
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| CN (1) | CN204257304U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108736319A (en) * | 2018-06-11 | 2018-11-02 | 贵州电网有限责任公司 | Distribution grounding-for-lightning device |
| CN109801763A (en) * | 2019-03-14 | 2019-05-24 | 中安达电气科技股份有限公司 | Line pole type composite insulator and line pole type compound inslation subsystem |
-
2014
- 2014-11-21 CN CN201420713220.4U patent/CN204257304U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108736319A (en) * | 2018-06-11 | 2018-11-02 | 贵州电网有限责任公司 | Distribution grounding-for-lightning device |
| CN108736319B (en) * | 2018-06-11 | 2024-03-29 | 贵州电网有限责任公司 | Lightning protection grounding device of distribution network |
| CN109801763A (en) * | 2019-03-14 | 2019-05-24 | 中安达电气科技股份有限公司 | Line pole type composite insulator and line pole type compound inslation subsystem |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180531 Address after: 510635 701-B 237, science Road, Guangzhou high tech Industrial Development Zone, Guangzhou, Guangdong Co-patentee after: Zhaoqing power supply administration of Guangdong Power Grid Co., Ltd Patentee after: Guangzhou Zhong Guang Electric Technology Co., Ltd. Address before: 510660 room 26, Grand View South Road, Tianhe District, Guangzhou, Guangdong, C607 Co-patentee before: Zhaoqing power supply administration of Guangdong Power Grid Co., Ltd Patentee before: Qiu Xudong |
|
| TR01 | Transfer of patent right |