CN100483597C - 双断点断路器 - Google Patents

双断点断路器 Download PDF

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CN100483597C
CN100483597C CNB2006100380025A CN200610038002A CN100483597C CN 100483597 C CN100483597 C CN 100483597C CN B2006100380025 A CNB2006100380025 A CN B2006100380025A CN 200610038002 A CN200610038002 A CN 200610038002A CN 100483597 C CN100483597 C CN 100483597C
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contactor
matrix
dual
moving contact
interruption point
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CN101009177A (zh
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王立强
郑改红
刘建军
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Jiangsu Daquan Kaifan Switch Co ltd
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Daqo Group Co Ltd
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Abstract

本发明属于低压电气设备,涉及一种双断点断路器。它包括有一个框架结构的基体,在基体的内腔中部设置有可前后移动的动触头,基体内腔的上、下部分别设置有灭弧室;动触头上固定有绝缘连接板,绝缘连接板后端伸出基体作为与断路器操纵机构连接的连接端;动触头前端面的上、下两端分别为上触端和下触端,在上触端与下触端之间固定有两片水平的绝缘隔弧板;在动触头前方的基体内壁上设置有上静触头和下静触头,上、下静触头的位置与动触头的上触端及下触端相对;在上、下静触头之间的基体上开有两个插槽,连接在动触头上的两个绝缘隔弧板就分别插在两个插槽中。本发明结构简单、使用安全可靠。

Description

双断点断路器
技术领域
本发明属于低压电气设备,涉及一种双断点断路器。
背景技术
现有的框架结构的低压断路器大多为单断点结构,其带电动作时的可靠性较差。
发明内容
本发明所要解决的技术问题是提供一种结构简单、使用安全可靠的双断点断路器。
本发明的双断点断路器包括有一个框架结构的的基体,在基体的内腔中部设置有可前后移动的动触头,基体内腔的两侧分别设置有灭弧室;动触头上固定有绝缘连接板,绝缘连接板后端伸出基体作为与断路器操纵机构连接的连接端;动触头前端面上设置一对触端,在两个触端之间固定有两片绝缘隔弧板;在动触头前方的基体内壁上设置有一对静触头,静触头的位置与动触头上的两个触端相对;在两个静触头之间的基体上开有两个插槽,连接在动触头上的两个绝缘隔弧板就分别插在两个插槽中,它们可随着动触头的水平移动而在插槽中前后移动。在两个插槽之间的基体上还开有与基体之外相通的通气孔。
所述动触头可以由多片相互平行的触片叠装而成,各动触片穿接在两个与绝缘连接板连接的穿接轴上。穿接轴的中部设置有凹槽,有至少一片动触片落在凹槽中。动触片可通过腰形孔穿在穿接轴上,使动触片与穿接轴之间具有可相对移动的空间。
本发明结构简单、动作可靠,由于在上、下触点之间设置了隔弧板,可以有效防止电弧在两个断点之间互窜,提高了其安全性和使用寿命。
附图说明
图1是本发明在触点闭合时的结构示意图;
图2是本发明在触点断开时的结构示意图;
图3是本发明的动触头的立体结构示意图;
图4动触头的剖视结构示意图;
图5是图4的A剖面结构示意图。
具体实施方式
如图1、图2所示,本发明双断点断路器的基体1内腔中部为动触头2,动触头通过绝缘连接板21后端的连接头与断路器操纵机构连接,从而可在操纵机构的带动下前后移动,动触头内腔两侧设置有灭弧室3。动触头前方的基体内壁上设置有两个静触头4,两个静触头的位置与动触头前端面上的两个触端23相对。上、下触端之间设置两片相互平行的绝缘隔弧板24,隔弧板与基体上的两个插槽12相配合。当动触头前后移动时,绝缘隔弧板始终在插槽中移动,将两侧的两个断点隔开,防止了电弧在两个断点之间互窜。在两个插槽之间的基体上还开有通气孔13,其作用是使两个绝缘隔弧板之间的气压能够得到释放。
如图3所示,所述动触头2由多片平行的触片22叠装而成。
如图4所示,动触片22通过腰形孔25穿在穿接轴26上,该结构的作用是:当动触头在穿接轴的带动下与静触头接触后,为保证一定的触头正压力而通过其他机构再向前压动触头时,串接轴不会限制动触片的微小位移。
如图5所示,穿接轴中部设置有凹槽261,有至少一片动触片22落在凹槽中,落在凹槽中的动触片前端突出于其他动触片,这样当动触头离开静触头的过程中,突出的动触片将最后与静触头分离,从而使电弧集中在局部产生,有利于灭弧。

Claims (6)

1、一种双断点断路器包括,有一个框架结构的的基体(1),其特征是:在基体的内腔中部设置有可前后移动的动触头(2),基体内腔的两侧分别设置有灭弧室(3);动触头上固定有绝缘连接板(21),绝缘连接板后端伸出基体作为与断路器操纵机构连接的连接端;动触头前端面上设置有一对触端(23),在两触端之间固定有两片水平的绝缘隔弧板(24);在动触头前方的基体内壁上设置有一对静触头(4),两静触头的位置与动触头的两个触端相对;在两静触头之间的基体上开有两个插槽(12),连接在动触头上的两个绝缘隔弧板(24)就分别插在两个插槽中。
2、根据权利要求1所述的双断点断路器,其特征是:在两个插槽之间的基体上还开有通气孔(13)。
3、根据权利要求1或2所述的双断点断路器,其特征是:所述动触头(2)由多片相互平行的动触片(22)叠装而成。
4、根据权利要求3所述的双断点断路器,其特征是:各动触片(22)穿接在两个与绝缘连接板(21)连接的穿接轴(26)上。
5、根据权利要求4所述的双断点断路器,其特征是:动触片(22)通过腰形孔(25)穿在穿接轴(26)上。
6、根据权利要求4或5所述的双断点断路器,其特征是:穿接轴(26)的中部设置有凹槽(261),有至少一片动触片(22)落在凹槽中。
CNB2006100380025A 2006-01-25 2006-01-25 双断点断路器 Active CN100483597C (zh)

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Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101986411B (zh) * 2010-11-16 2013-02-20 浙江电器开关有限公司 双断点万能式断路器
CN103646832B (zh) * 2013-11-30 2016-06-29 德力西电气有限公司 断路器的引弧灭弧装置
CN103762433B (zh) * 2014-01-13 2016-11-09 四川华丰企业集团有限公司 一种双断点立体布置结构的接触件及其高压电连接器
CN104992860B (zh) * 2015-08-07 2018-05-18 飞策防爆电器有限公司 防电弧安全断路器

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