CN203660276U - Gap lightning protection device - Google Patents

Gap lightning protection device Download PDF

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Publication number
CN203660276U
CN203660276U CN201320771126.XU CN201320771126U CN203660276U CN 203660276 U CN203660276 U CN 203660276U CN 201320771126 U CN201320771126 U CN 201320771126U CN 203660276 U CN203660276 U CN 203660276U
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China
Prior art keywords
electrode
arc
insulator
plate
puncture plate
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Expired - Fee Related
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CN201320771126.XU
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Chinese (zh)
Inventor
冯毅林
李敏
苏建涛
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XINMI POWER SUPPLY CO Ltd
State Grid Corp of China SGCC
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XINMI POWER SUPPLY CO Ltd
State Grid Corp of China SGCC
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Abstract

本实用新型公开一种间隙防雷保护装置,包括由上穿刺板和下穿刺板构成的穿刺线夹,上穿刺板和下穿刺板是分体设置,且上穿刺板和下穿刺板通过扭力螺母连接,下穿刺板的一端设置有耐弧电极,耐弧电极均与下穿刺板电连接,下穿刺板固定设置在下绝缘罩上,上绝缘罩与下绝缘罩是活动连接,在耐弧电极正下方设置有接地引弧电极,接地引弧电极与接地电极电连接,接地电极的一端设置有绝缘体,绝缘体上设置有爬电伞裙,绝缘体的另一端设置有引弧电棒,引弧电棒与引弧电极通过软绝缘导线电连接,接地引弧电极的下端部与引弧电棒的下端部形成引弧间隙A。在雷击时,保护绝缘子和架空绝缘导线不受损坏。

The utility model discloses a gap lightning protection device, which comprises a piercing line clip composed of an upper piercing plate and a lower piercing plate, the upper piercing plate and the lower piercing plate are arranged separately, and the upper piercing plate and the lower piercing plate pass through a torsion nut One end of the lower puncture plate is provided with an arc-resistant electrode, and the arc-resistant electrodes are electrically connected with the lower puncture plate, and the lower puncture plate is fixed on the lower insulating cover, and the upper insulating cover and the lower insulating cover are flexibly connected. There is a grounding arc electrode below, and the grounding electrode is electrically connected to the grounding electrode. One end of the grounding electrode is provided with an insulator, and the insulator is provided with a creepage shed. The other end of the insulator is provided with an arc rod. The arc electrode is electrically connected through a soft insulated wire, and the lower end of the grounded arc electrode and the lower end of the arc rod form an arc gap A. Protect insulators and overhead insulated conductors from damage during lightning strikes.

Description

间隙防雷保护装置Gap lightning protection device

技术领域 technical field

本实用新型涉及一种用于架空绝缘导线的防雷保护装置,具体的说,涉及了一种间隙 The utility model relates to a lightning protection device for overhead insulated wires, in particular to a gap

防雷保护装置。 Lightning protection device.

背景技术 Background technique

电力系统如lOKV或20kV电压等级的配电架空线路大都采用绝缘架空导线;为防 Power system such as 10kV or 20kV distribution overhead lines mostly use insulated overhead wires;

止雷电击断架空绝缘导线,常采用绝缘子、穿刺线夹以及连接在绝缘子和穿刺线夹之间的绝缘软导线,穿刺线夹与架空绝缘导线电连接,使得绝缘子与穿刺线夹的电位相同,当雷电高压放电是,持续的工频短路电流电弧的弧根固定在绝缘子的高压电极上燃烧,保护架空绝缘导线不被燃烧,但是这种结构将续流的工频电弧的弧根在绝缘子的高压电极上燃烧,易造成绝缘子的损坏,从而影响整个输电电路的正常工作。为了解决以上存在的问题,人们一直在寻求一种理想的技术解决方案。 To prevent lightning from breaking overhead insulated conductors, insulators, puncture clamps, and insulated soft conductors connected between insulators and puncture clamps are often used. The puncture clamps are electrically connected to overhead insulated conductors, so that the potential of the insulator and the puncture clamp are the same. When lightning high-voltage discharge occurs, the arc root of the continuous power-frequency short-circuit current arc is fixed on the high-voltage electrode of the insulator and burns to protect the overhead insulated wire from being burned, but this structure will keep the arc root of the continuous-flow power-frequency arc on the insulator Burning on the high-voltage electrodes can easily cause damage to the insulators, thereby affecting the normal operation of the entire transmission circuit. In order to solve the above existing problems, people have been seeking an ideal technical solution.

发明内容 Contents of the invention

本实用新型的目的在于克服上述不足提供一咱间隙防雷保护装置。 The purpose of this utility model is to overcome the above shortcomings and provide a gap lightning protection device.

为实现上述目的,本实用新型采用以下技术方案: In order to achieve the above object, the utility model adopts the following technical solutions:

一种间隙防雷保护装置,包括由上穿刺板和下穿刺板构成的穿刺线夹,上穿刺板和下穿刺板是分体设置,且上穿刺板和下穿刺板通过扭力螺母连接,下穿刺板的一端设置有耐弧电极,耐弧电极均与下穿刺板电连接,下穿刺板固定设置在下绝缘罩上,上绝缘罩与下绝缘罩是活动连接,在耐弧电极正下方设置有接地引弧电极,接地引弧电极与接地电极电连接,接地电极的一端设置有绝缘体,绝缘体上设置有爬电伞裙,绝缘体的另一端设置有引弧电棒,引弧电棒与引弧电极通过软绝缘导线电连接,接地引弧电极的下端部与引弧电棒的下端部形成引弧间隙A。安装时,耐弧电极2安装在绝缘子的负荷侧,将绝缘导线1卡入穿刺线夹的槽内,使耐弧电极刊用向绝缘子,燃弧电极背向绝缘子,然后将并将耐弧电极和燃弧电极的裸露部分暴露在下绝缘罩的外面,调整防雷金具与拉地电极之间的距离,约为100-120mm,拧紧上穿刺板上的扭力螺母,再将上绝缘罩卡入下绝缘罩上。 A lightning protection device for a gap, comprising a puncture line clip composed of an upper puncture plate and a lower puncture plate, the upper puncture plate and the lower puncture plate are arranged separately, and the upper puncture plate and the lower puncture plate are connected by a torque nut, and the lower puncture plate One end of the plate is provided with an arc-resistant electrode, and the arc-resistant electrodes are electrically connected with the lower puncture plate, and the lower puncture plate is fixedly arranged on the lower insulating cover, and the upper insulating cover and the lower insulating cover are movably connected, and a grounding device is provided directly below the arc-resistant electrode. The arc starting electrode, the grounding arc starting electrode is electrically connected with the grounding electrode, one end of the grounding electrode is provided with an insulator, the insulator is provided with a creepage shed, the other end of the insulator is provided with an arc starting rod, and the arc starting rod and the arc starting electrode pass through a soft The insulated wires are electrically connected, and the lower end of the grounded arc striking electrode and the lower end of the arc striking rod form an arc striking gap A. During installation, the arc-resistant electrode 2 is installed on the load side of the insulator, and the insulated wire 1 is snapped into the slot of the puncture clamp, so that the arc-resistant electrode is facing the insulator, and the arc-resistant electrode is facing away from the insulator, and then the arc-resistant electrode The exposed part of the arc electrode and the arc electrode is exposed outside the lower insulation cover. Adjust the distance between the lightning protection fitting and the ground electrode to about 100-120mm, tighten the torque nut on the upper puncture plate, and then snap the upper insulation cover into the lower Insulation cover.

上述间隙防雷保护装置,接地引弧电极或引弧电棒均通过螺栓固定绝缘体上,绝缘体的两端分别设置多个供接地引弧电极以及引弧电棒固定的螺栓孔。 In the above-mentioned gap lightning protection device, the grounding arc starting electrode or the arc starting rod are all fixed on the insulator by bolts, and the two ends of the insulator are respectively provided with a plurality of bolt holes for fixing the grounding arc starting electrode and the arc starting rod.

采用上述技术特征,本实用新型有以下优点: 本实用新型的穿刺线夹穿透绝缘导线使绝缘导线与耐弧电极电连接,在接地端固定一绝缘体,绝缘体两端连接有具有引弧间隙的接地引弧电极和引弧棒,引弧棒与耐弧电极通过软导线电连接,在雷击时,能够将雷击电弧能量在短时间内从架空绝缘导线经穿刺线夹、绝缘软导线引致引弧棒,击穿引弧间隙A,引发电弧,通过接地引弧电极将雷击电弧能量引致绝缘子的接地端,从而将雷击电弧能量引致大地,保护绝缘子和架空绝缘导线不受损坏。 Adopting the above-mentioned technical features, the utility model has the following advantages: The puncture wire clip of the utility model penetrates the insulated wire to electrically connect the insulated wire with the arc-resistant electrode, an insulator is fixed at the grounding end, and the two ends of the insulator are connected with arc-starting gaps. Ground the arc striking electrode and the arc striking rod. The arc striking rod and the arc resisting electrode are electrically connected by flexible wires. When lightning strikes, the lightning arc energy can be induced to strike the arc from the overhead insulated wire through the puncture clamp and the insulated flexible wire in a short time. The rod breaks through the arc striking gap A, triggers an arc, and leads the lightning arc energy to the ground terminal of the insulator through the grounding arc striking electrode, thereby leading the lightning arc energy to the ground, and protecting the insulator and the overhead insulated wire from damage.

附图说明 Description of drawings

图1是本实用新型的结构示意图。 Fig. 1 is the structural representation of the utility model.

具体实施方式 Detailed ways

如图1所示的一种间隙防雷保护装置,包括由上穿刺板3和下穿刺板5构成的穿刺线夹,上穿刺板3和下穿刺板5是分体设置,且上穿刺板3和下穿刺板5通过扭力螺母4连接,下穿刺板3的一端设置有耐弧电极8,耐弧电极8均与下穿刺板电连接,下穿刺板3固定设置在下绝缘罩7上,上绝缘罩6与下绝缘罩是活动连接,在耐弧电极2正下方设置有接地引弧电极14,接地引弧电极14与接地电极10电连接,接地电极10的一端设置有绝缘体11,绝缘体11上设置有爬电伞裙,绝缘体的另一端设置有引弧电棒13,引弧电棒13与引弧电极8通过软绝缘导线12电连接,接地引弧电极14的下端部与引弧电棒13的下端部形成引弧间隙A。安装时,耐弧电极2安装在绝缘子的负荷侧,将绝缘导线1卡入穿刺线夹的槽内,使耐弧电极刊用向绝缘子,燃弧电极背向绝缘子,然后将并将耐弧电极和燃弧电极的裸露部分暴露在下绝缘罩的外面,调整防雷金具与拉地电极之间的距离,约为100-120mm,拧紧上穿刺板上的扭力螺母,再将上绝缘罩卡入下绝缘罩上。 As shown in Figure 1, a gap lightning protection device includes a piercing wire clip composed of an upper piercing plate 3 and a lower piercing plate 5, the upper piercing plate 3 and the lower piercing plate 5 are separately arranged, and the upper piercing plate 3 It is connected with the lower puncture plate 5 through a torque nut 4, and one end of the lower puncture plate 3 is provided with an arc-resistant electrode 8, and the arc-resistant electrodes 8 are electrically connected with the lower puncture plate, and the lower puncture plate 3 is fixedly arranged on the lower insulating cover 7, and the upper insulated The cover 6 and the lower insulating cover are movably connected, and a grounding arc-starting electrode 14 is arranged directly below the arc-resistant electrode 2. The grounding arc-starting electrode 14 is electrically connected to the grounding electrode 10, and one end of the grounding electrode 10 is provided with an insulator 11, and on the insulator 11 A creepage umbrella skirt is provided, and the other end of the insulator is provided with an arc striking rod 13, which is electrically connected to the arc striking electrode 8 through a soft insulated wire 12, and the lower end of the grounding arc striking electrode 14 is connected to the lower end of the arc striking rod 13. The part forms the arc striking gap A. During installation, the arc-resistant electrode 2 is installed on the load side of the insulator, and the insulated wire 1 is snapped into the slot of the puncture clamp, so that the arc-resistant electrode is facing the insulator, and the arc-resistant electrode is facing away from the insulator, and then the arc-resistant electrode The exposed part of the arc electrode and the arc electrode is exposed outside the lower insulation cover. Adjust the distance between the lightning protection fitting and the ground electrode to about 100-120mm, tighten the torque nut on the upper puncture plate, and then snap the upper insulation cover into the lower Insulation cover.

本实用新型的接地引弧电极14或引弧电棒13均通过螺栓固定绝缘体11上,绝缘体11的两端分别设置多个供接地引弧电极14以及引弧电棒13固定的螺栓孔。 The grounding arc starting electrode 14 or the arc starting rod 13 of the utility model are all fixed on the insulator 11 by bolts, and the two ends of the insulator 11 are respectively provided with a plurality of bolt holes for the grounding arc starting electrode 14 and the arc starting rod 13 to be fixed.

Claims (2)

1. a clearance lightning-proof protection device, it is characterized in that: comprise the penetrating cable clamp being formed by upper puncture plate (3) and lower puncture plate (5), upper puncture plate (3) and lower puncture plate (5) are split settings, and upper puncture plate (3) is connected by torque nut (4) with lower puncture plate (5), one end of lower puncture plate (3) is provided with are-tight electrode (8), are-tight electrode (8) is all electrically connected with lower puncture plate, lower puncture plate (3) is fixedly installed on lower insulating cover (7), upper insulating cover (6) is to be flexibly connected with lower insulating cover, under are-tight electrode (2), be provided with ground connection arc electrode (14), ground connection arc electrode (14) is electrically connected with grounding electrode (10), one end of grounding electrode (10) is provided with insulator (11), insulator is provided with creepage full skirt on (11), the other end of insulator is provided with striking torch (13), striking torch (13) is electrically connected by soft insulated conductor (12) with arc electrode (8), the bottom of the bottom of ground connection arc electrode (14) and striking torch (13) forms arcing gap A.
2. clearance lightning-proof protection device according to claim 1; it is characterized in that: it is upper that ground connection arc electrode (14) or striking torch (13) are all bolted insulator (11), the two ends of insulator (11) arrange respectively multiple for ground connection arc electrode (14) and the fixing bolt hole of striking torch (13).
CN201320771126.XU 2013-12-01 2013-12-01 Gap lightning protection device Expired - Fee Related CN203660276U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201320771126.XU CN203660276U (en) 2013-12-01 2013-12-01 Gap lightning protection device

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Application Number Priority Date Filing Date Title
CN201320771126.XU CN203660276U (en) 2013-12-01 2013-12-01 Gap lightning protection device

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Country Link
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113257498A (en) * 2021-06-18 2021-08-13 广东电网有限责任公司 Insulator with adjustable discharge gap

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113257498A (en) * 2021-06-18 2021-08-13 广东电网有限责任公司 Insulator with adjustable discharge gap

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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: 20140618

Termination date: 20151201

EXPY Termination of patent right or utility model