CN202423027U - 一种具有防尘装置的隔离开关触头 - Google Patents

一种具有防尘装置的隔离开关触头 Download PDF

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Publication number
CN202423027U
CN202423027U CN 201120544992 CN201120544992U CN202423027U CN 202423027 U CN202423027 U CN 202423027U CN 201120544992 CN201120544992 CN 201120544992 CN 201120544992 U CN201120544992 U CN 201120544992U CN 202423027 U CN202423027 U CN 202423027U
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孙全德
冀卫政
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State Grid Corp of China SGCC
Jiaozuo Power Supply Co of State Grid Henan Electric Power Co Ltd
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Jiaozuo Power Supply Co of Henan Electric Power Co
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Abstract

本实用新型公开一种具有防尘装置的隔离开关触头,包括底座,底座上固定壳体,壳体上端分别铰接有左防尘盖和右防尘盖,左防尘盖和右防尘盖的分别与弹簧相连,弹簧一端固定在底座上,底座上固定有触点支架,触点支架上固定有静触点,左防尘盖下端固定有第一磁体,右防尘盖上端固定有第二磁体,第一磁体一侧设有防尘套。即使弹簧的回复效果不好,两个磁铁仍能使得两个防尘盖之间吸合,同时当两个磁体吸合的时候,防尘套也正好处在左防尘盖和右防尘盖之间,进一步防止尘土或者雨水进入。所述的两个磁体是永磁体,永磁体一般不易消磁,因此本实用新型的防尘效果好于现有技术。

Description

一种具有防尘装置的隔离开关触头
技术领域
本实用新型涉及一种发电厂和变电站电气系统中重要的开关电器,具体涉及一种隔离开关触头。
背景技术
直杆式隔离开关是超高压变电站中的常用设备,主要由左、右防尘盖,触点支架和壳体组成。使用时采用弹簧拉动左防尘盖和右防尘盖使之旋转,当动触头没有插入的时候,在弹簧的作用下,两个防尘盖的端头相接触,可以防止尘土或者雨雪进入,当动触头插入的时候,防尘盖旋转,两个防尘盖端头接触的位置打开,使得动触头进入。但是在长期使用过程中,弹簧可能弹性变差,使得左、右防尘盖之间出现缝隙,导致整个装置的防尘效果不好。
实用新型内容
本实用新型要解决的技术问题是隔离开关触头长期使用时防尘效果差,提供一种具有防尘装置的隔离开关触头,其防尘效果好。
本实用新型的技术方案是以下述方式实现的:一种具有防尘装置的隔离开关触头,包括底座,底座上固定壳体,壳体上端分别铰接有左防尘盖和右防尘盖,左防尘盖和右防尘盖的分别与弹簧相连,弹簧一端固定在底座上,底座上固定有触点支架,触点支架上固定有静触点,左防尘盖下端固定有第一磁体,右防尘盖上端固定有第二磁体,第一磁体一侧设有防尘套。
静触点的相对面上带有沟槽。
本实用新型在两个防尘盖的端头固定两个磁体,当动触头没有插入的时候两个磁体相互吸引,即使弹簧的回复效果不好,两个磁铁仍能使得两个防尘盖之间吸合,同时当两个磁体吸合的时候,防尘套也正好处在左防尘盖和右防尘盖之间,进一步防止尘土或者雨水进入。所述的两个磁体是永磁体,永磁体一般不易消磁,因此本实用新型的防尘效果好于现有技术。
附图说明
图1是本实用新型的结构示意图。
图2是图1中I区域的放大示意图。
具体实施方式
如附图所示,一种具有防尘装置的隔离开关触头,包括底座1,底座1上固定壳体2,壳体2上端分别铰接有左防尘盖4和右防尘盖7,左防尘盖4和右防尘盖7的分别与弹簧3相连,弹簧3一端固定在底座1上,底座1上固定有触点支架5,触点支架5上固定有静触点6,左防尘盖4下端固定有第一磁体4-1,右防尘盖7上端固定有第二磁体7-1,第一磁体4-1一侧设有防尘套9。
静触点6的相对面上带有沟槽8。设置沟槽8之后提高了静触点的弹性,有利于动触点和静触点的良好接触。

Claims (2)

1. 一种具有防尘装置的隔离开关触头,包括底座(1),底座(1)上固定壳体(2),壳体(2)上端分别铰接有左防尘盖(4)和右防尘盖(7),左防尘盖(4)和右防尘盖(7)的分别与弹簧(3)相连,弹簧(3)一端固定在底座(1)上,底座(1)上固定有触点支架(5),触点支架(5)上固定有静触点(6),其特征在于:左防尘盖(4)下端固定有第一磁体(4-1),右防尘盖(7)上端固定有第二磁体(7-1),第一磁体(4-1)一侧设有防尘套(9)。
2. 根据权利要求1所述的具有防尘装置的隔离开关触头,其特征在于:静触点(6)的相对面上带有沟槽(8)。
CN 201120544992 2011-12-23 2011-12-23 一种具有防尘装置的隔离开关触头 Expired - Fee Related CN202423027U (zh)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104037001A (zh) * 2014-06-05 2014-09-10 国家电网公司 一种适用于10kv柱上开关闸刀的绝缘罩

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104037001A (zh) * 2014-06-05 2014-09-10 国家电网公司 一种适用于10kv柱上开关闸刀的绝缘罩
CN104037001B (zh) * 2014-06-05 2016-01-20 国家电网公司 一种适用于10kv柱上开关闸刀的绝缘罩

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