CN1032886C - 断路器 - Google Patents
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- CN1032886C CN1032886C CN93118415A CN93118415A CN1032886C CN 1032886 C CN1032886 C CN 1032886C CN 93118415 A CN93118415 A CN 93118415A CN 93118415 A CN93118415 A CN 93118415A CN 1032886 C CN1032886 C CN 1032886C
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H73/00—Protective overload circuit-breaking switches in which excess current opens the contacts by automatic release of mechanical energy stored by previous operation of a hand reset mechanism
- H01H73/02—Details
- H01H73/06—Housings; Casings; Bases; Mountings
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/10—Operating or release mechanisms
- H01H71/12—Automatic release mechanisms with or without manual release
- H01H71/126—Automatic release mechanisms with or without manual release actuated by dismounting of circuit breaker or removal of part of circuit breaker
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/02—Housings; Casings; Bases; Mountings
- H01H71/0207—Mounting or assembling the different parts of the circuit breaker
- H01H71/0228—Mounting or assembling the different parts of the circuit breaker having provisions for interchangeable or replaceable parts
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/10—Operating or release mechanisms
- H01H71/12—Automatic release mechanisms with or without manual release
- H01H71/128—Manual release or trip mechanisms, e.g. for test purposes
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Abstract
一种断路器包含有一基座和一固定于基座上的主盖的一壳体,该壳体用于容纳断路机构;形成于主盖的一个表面上的一个槽,其相对表面位于基座的侧边,该槽用来容纳断路机构的辅助装置;安装于主盖上以关闭该槽的一辅助盖。该断路器当辅助盖被打开时可自动地跳闸,因此允许高度安全地将辅助装置安装于其上。
Description
本发明涉及一种具有诸如一报警开关和一辅助开关的辅助装置的断路器。
附图21至27描述了一种传统的断路器。图21为一立体图,表示该传统断路器的外观;图22为该断路器的分解的立体图;图23是沿图21中的线23-23的截面图,表示处于“闭合”状态的这种断路器;图24也是沿图21中的线23-23的截面图,表示处于“断开”状态的这种断路器;图25是沿图21中的线23-23的截面图,表示处于“跳闸”状态的这种断路器;图26是沿图22中的线26-26的截面图,表示一辅助盖;图27为该辅助盖的立体仰视图。
在那些图中,标号1表示一断路器壳体,该壳体包括一基座1a,及一可拆卸地固定到该基底1a上的一主盖1b;标号2表示一诸如一报警开关和一辅助开关的辅助装置;标号3表示一用来容置该辅助装置2的槽,该槽3形成在主盖1b的一个表面上,该表面相对于在基座1a的侧边上的另一表面;标号5表示一个安装在该断路器壳体1内部的可摆动的活动件,该活动件具有一可活动的触头5a;标号6表示有一固定触头6a的一固定件6,该固定触头可和可动触头5a断开或闭合;标号7表示一手柄,该手柄可前后推动借助于一曲柄杠杆机构8来摆动该可动件5。该手柄包括,一沿主盖1b的内表面移动的弧形底座7a,以及从该弧形底座7a向外延伸穿过主盖1b的一个开口的一操纵突块7b。另外在那些图中,标号9表示与该曲柄杠杆机构8相结合进行操纵的一杠杆;标号10表示经由一金属啮合件11和一插销12而与连杆9连接的跳闸盖;标号13表示一跳闸机构(双金属片型或电磁型),该跳闸机构连接到位于载荷一侧的一终端板14上,以及经由一柔性多股绞合金属线15连接到活动件5上。
上述结构的传统断路器的操作过程如下所述。
假定该断路器处于闭合状态。当在此状态下,沿箭头16的方向移动手柄7时,曲柄连杆装置8被弯曲,从而使活动件5上升。其结果,断路器就如图24所示的那样被断开。当在此状态下,如图24中所示,沿箭头17的方向移动手柄7时,伸展了曲柄连杆装置8,从而使活动件5压下,其结果断路器就如图23所示的那样被合上。当过载电流流过处于如图23所示的“闭合”状态的断路器时,跳闸机构13作用,以使跳闸棒10沿箭头18的方向转动,这样金属啮合件11和插销12脱离啮合,杠杆9就向上弹。其结果,曲柄连杆机构8被弯曲以使活动杆5上升。由此,断路器处于如图25所示的“跳闸”状态。
如上所述的传统断路器有如下的缺陷:用辅助盖4将辅助装置2安装在槽3中,如图22所示辅助盖4已拆去,这可能是不安全的,因为当断路器处于如图23所示的“闭合”状态时,与之连接的线路是热的,它可能无故跳闸。
因此,本发明的目的在于提供一种具有高度可靠性的断路器,一辅助装置可相当安全地安装在其上。
本发明的上述目的是通过下述技术方案实现的,即本发明的断路器,它包括:一由基座和固定于基座上的主盖的壳体,所述壳体用于容纳一断路机构;在主盖的一个表面上形成的一个槽,其相对表面位于基座的侧面,该槽用于容纳断路机构的一个辅助装置;安装在所述主盖上以封闭所述槽的一辅助盖;其特点是,它还包括:用来在断路器处于闭合状态时阻止打开所述辅助盖地装置。
采用上述结构的断路器,其优点是,由于可使断路器在闭合状态时始终不能打开辅助盖,即辅助盖只有处在跳闸或断开状态下才能被打开,因此可以安全可靠地安装辅助装置。
以下结合附图进一步说明本发明的断路器的结构特点;其中,
图1是表示本发明第一实施例的外观立体图;
图2是表示本发明的第一实施例在辅助盖打开后的立体图;
图3是沿图1中线3-3的剖视图;
图4是本发明第二实施例的剖视图;
图5是本发明第三实施例的剖视图;
图6是第三实施例的辅助盖的立体图;
图7是处于“闭合”状态时的本发明第四实施例的剖视图;
图8是第四实施例的辅助盖的剖视图;
图9是图8所示辅助盖的立体仰视图;
图10是移开辅助盖后的本发明第五实施例的立体分解图;
图11是第五实施例的辅助盖的剖视图;
图12是第五实施例的手柄的立体图;
图13是处于“断开”状态时的本发明第六实施例的剖视图;
图14是处于“闭合”状态时的本发明第七实施例的剖视图;
图15是第七实施例的辅助盖的剖视图;
图16是图15所示辅助盖的立体仰视图;
图17是处于“闭合”状态时的本发明第八实施例的剖视图;
图18是处于“断开”状态时的本发明第八实施例的剖视图;
图19是处于“跳闸”状态时的本发明第九实施例的剖视图;
图20是拆下辅助盖后的第九实施例的立体图;
图21是一传统断路器的立体外观图;
图22是图21的传统断路器的立体分解图;
图23是沿图21中线23-23所取的表示处于“闭合”状态时的断路器的剖视图;
图24是沿图21中线23-23所取的但表示处于“断开”状态时的断路器的剖视图;
图25是沿图21中线23-23所取的但表示处于“跳闸”状态时的断路器的剖视图;
图26是沿图22中线26-26所取的表示一辅助盖的剖视图;
图27是该辅助盖的立体仰视图。
以下结合附图对较佳实施例进行详细描述。
第一实施例
图1至图3所示为本发明断路器的第一实施例。图1为该断路器的外观立体图,图2是打开辅助盖的该断路器的立体图,以及图3是沿图1中线3-3所取的剖视图。在那些附图中,与上述传统断路器的零件有相同功能的零件用相同的标号或符号来表示。
在图3中,标号19表示一和跳闸棒10连接的杆,杆19通过基盖1b的表面101向上突出;标号20是一弹簧,如上所述,用来保持杆19向上突出。
在辅助盖4如图1所示关闭的情形下,克服弹簧20的弹力将杆19向下推。当辅助盖4如图2所示那样打开时,由于弹簧20的弹力的作用使杆19伸出,这样跳闸棒10沿箭头18转动,从而该断路器跳闸。
第二实施例
图4所示为本发明断路器的第二实施例。
该断路器包括一由手动操纵的跳闸按钮21。该跳闸按钮21设计成能够伸出并被保持在辅助盖4内。在如图4所示的辅助盖4关闭的情形下,推动跳闸按钮21通过辅助盖4上的孔22,使断路器跳闸。当辅助盖4如图2所示打开时,由于弹簧23的弹力作用,使跳闸按钮21向外伸出,以使跳闸棒10沿箭头18的方向摆动,从而使断路器跳闸。
第三实施例
以下结合附图5和6叙述构成本发明第三实施例的一断路器实例。
在该断路器中,辅助盖4有一突块24,该突块24用来弹性地升高跳闸棒10。当辅助盖4打开时,该突块24弹性地使跳闸棒10升高,使跳闸棒10沿箭头18的方向摆动,从而使断路器跳闸。
如上所述,本发明的第一、二、三实施例中,断路器都是由于辅助盖的打开而自动跳闸的。所以,可以很安全、很可靠地将这辅助装置安装在该断路器上。
第四实施例
以下结合附图7、8、9,来描述构成本发明第四实施例的另一断路器实例。图7是处于“闭合”状态的该断路器的剖视图,图8表示该断路器的一个辅助盖的剖视图,以及图9是该辅助盖的立体仰视图。在那些图中,与上述传统断路器的零件具有相应功能的另件用相同的标号或符号来表示。
在图7至图9中,标号59表示如前所述的辅助盖,该辅助盖有一用来引导手柄7的弧形底座7a的导向体59a,以及一开口59b,操纵突块7a穿过该开口59b向外伸出,以及标号60表示形成在辅助盖内表面上的槽,当手柄7处于“闭合”位置时,手柄7的弧形基座7a的端部与槽60啮合。
如上所述,辅助盖59有槽60。因此,当手柄7处于“闭合”位置时,手柄的弧形底座7a的端部和槽60啮合。即,当断路器处于“闭合”状态时,因为辅助盖59和手柄7啮合,辅助盖59不能被打开。
第五实施例
以下结合附图10、11和12对构成本发明第五实施例的另一断路器进行叙述。图10是该断路器的立体分解图,图11是该断路器的辅助盖的剖视图,图12是该断路器手柄的立体图。在图10至12中,与第一实施例的零件有相应功能的零件采用相同的标号或符号来表示。
在图10至12中,标号61表示一对销钉,它们分别从形成在断路器的上述辅助盖中的一开口59b的两个相对侧壁上伸出;标号62分别表示一对形成在手柄7的弧形底座上,并位于操纵突块7b两侧的缺口,它们中的每一缺口宽度足以容纳销钉61。
如上所述,在该断路器中,辅助盖59有一对销钉61。因此,只有当手柄7处于如图10所示的“跳闸”状态时,该销钉61都与缺口62对齐,即只有在断路器处于“跳闸”状态时,辅助盖59才能被打开。当断路器处于“闭合”或“断开”状态的情形时,销钉61都和手柄7的弧形底座7a的边缘啮合,这样就不可能打开辅助盖59。
因此,仅当断路器处于“跳闸”状态时,辅助盖59才能被打开,当一辅助装置安装在该断路器上时,后者在操作过程中保持不变;即断路器被保持在“跳闸”状态,从而便于安装辅助装置。
第六实施例
以下结合附图13对构成本发明第六实施例的另一断路器实例进行叙述,与第四实施例的零件有相应功能的零件采用相同标号或符号来表示。
在图13中,标号63表示一执行元件,该执行元件这样设置在主盖1b的表面101上,即可前后移动并被一弹簧64推动而锁住;标号65表示形成在辅助盖59内的表面上的锁扣部,该执行元件63锁固于其中。
在第六实施例中,主盖1b有一如上所述的执行元件63。因此,仅当手柄7处于如图13所示的“断开”位置时,执行元件63在手柄7的弧形底座7a的端部的推动下,克服弹簧64的弹力而退缩。也就是,仅当断路器处于“断开”状态,辅助盖59才能被打开。换言之,当断路器处于“关闭”或“跳闸”状态时,执行元件63通过弹簧64的作用被锁固在锁扣部65中,因此可防止辅助盖59被打开。
对于第六实施例而言,仅当该断路器处于“断开”状态时,辅助盖才能被打开。因此,在将一辅助装置安装在断路器上的过程中,后者在操作状态中保持不变;即断路器是保持在断开状态,因此加快了辅助装置的安装。
第七实施例
以下结合附图14、15和16对构成本发明第七实施例另一断路器的实例进行叙述。图14是处于“闭合”状态的断路器的剖视图,图15是该断路器的辅助盖的剖视图,以及图16是该辅助盖的立体仰视图。在这些附图中,与第四实施例的另件有相应功能的零件用相同标号或符号来表示。
在图14至16中,标号66表示一执行元件,它可摆动地安装在辅助盖59内部,所述执行元件66被弹簧67推动而未被锁住,标号68表示一在主盖表面101上形成的锁扣部。执行元件66被锁固在锁扣部68中。
在第七实施例中,辅助盖59具有一如上所述形式的执行元件66。因此,仅当手柄7处于如图14所示的“闭合”位置时,执行元件66在手柄7的弧形底座7a的端部推动下而与锁扣部68啮合。因而,仅当断路器处于“闭合”状态时,辅助盖59才不会被打开。当断路器处于“断开”或“跳闸”状态时,如图15和16所示执行元件66在弹簧67的作用下摆动,而与锁扣部68脱离啮合,从而允许打开辅助盖59。
第八实施例
以下结合附图17和18对构成本发明的第八实施例的另一断路器实例进行叙述。图17是该断路器处于“闭合状态的剖视图,图18也是一剖视图,它表示了该断路器处于“断开”状态。在图17和18中,与第四实施例的零件有相应功能的零件用相同标号或符号来表示。
在图17和18中,标号69表示一可拆卸地安装在主盖1b的辅助盖59上的安装螺钉;标号70表示和手柄7一起前后运动的滑片,该滑片70的形状设计成仅当手柄处于“闭合”位置时它盖住安装螺钉69。
在第八实施例中,滑块70以上述方式设置于手柄7上。因此,当手柄处于“闭合”位置时,滑片70盖住安装螺钉69,籍此防止安装螺钉69的拆卸;即辅助盖59不可以被打开。当手柄处于“断开”位置时,如图18所示安装螺钉69不被滑片70所盖住,并因此安装螺钉69可以被卸去以打开辅助盖59。相类似地,当手柄处于“跳闸”位置时,安装螺钉不被滑片70所盖住,从而就可能打开辅助盖59。
第九实施例
以下结合附图19和20对构成本发明第九实施例的另一个断路器实例进行叙述。图19是处于“跳闸”状态时的该断路器剖视图,图20是卸去辅助盖后该断路器的立体图。在图19和20中,与第四实施例的零件有相应功能的另件采用相同标号或符号来表示。
在图19和20中,标号71表示可摆动地安装在主盖1b的表面101上的一执行元件,该执行元件由一弹簧72所推动而被锁固;而标号73表示在辅助盖59的内表面上形成的一锁扣部。执行元件71被锁固于锁扣部73中。
在第九实施例中,执行元件71以上述方式设置于主盖1b上。因此,当断路器被跳闸时,如图19所示,执行元件71通过活动件5,克服弹簧72的弹力而摆动,以脱开锁扣部73,从而,就可打开辅助盖59。在断路器处于“闭合”或“断开”状态下,活动件5的上升量较小而不能使执行元件71摆动;即在弹簧72的作用下,执行元件71被保持锁固于锁扣部73中。因此,不能打开辅助盖59。
也就是,仅当该断路器处于“跳闸”状态时,才能打开辅助盖59。因此,在将辅助装置安装于断路器上的过程中,后者在操作过程中保持不变,(断路器被保持在“跳闸”状态),由此可加速辅助装置的安装。
在一些断路器中,活动件5的上升量在断路器跳闸和断开时都是一样的。在此情况下,仅当断路器处于“断开”状态,不能打开辅助盖59。
如上所述在第四至第九实施例中,当断路器处于“闭合”状态时不能打开辅助盖。因此,可以很安全和可靠地将辅助装置安装在断路器上。
Claims (4)
1.一种断路器,它包括:
包括一基座和固定于基座上的一主盖的壳体,所述壳体用于容纳一断路机构;
在主盖的一个表面上形成的一个槽,其相对表面位于基座的侧面,该槽用于容纳断路机构的一个辅助装置;
安装在所述主盖上以封闭所述槽的一辅助盖,其特征在于,它还包括用于在断路器处于闭合状态时阻止打开所述辅助盖的装置。
2.如权利要求1所述的断路器,其特征在于,所述装置包括一用于与打开辅助盖的操作相联系地使所述断路器置于断开和跳闸任一状态的连杆机构。
3.如权利要求1所述的断路器,其特征在于,所述装置包括当断路器处于闭合状态时将辅助盖锁固于主盖上的锁扣机构;当断路器处于断开或跳闸任一状态时,所述锁扣机构允许辅助盖从主盖上打开。
4.如权利要求1所述的断路器,其特征在于,所述装置包括当断路器处于闭合状态时用来盖住一固定螺钉的机构,该固定螺钉用来将辅助盖固定到主盖上;当断路器处于断开和跳闸任一状态时,所述机构允许拧去该固定螺钉。
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP257723/92 | 1992-09-28 | ||
JP4257723A JP2838949B2 (ja) | 1992-09-28 | 1992-09-28 | 回路遮断器 |
JP257724/92 | 1992-09-28 | ||
JP4257724A JP2871973B2 (ja) | 1992-09-28 | 1992-09-28 | 回路遮断器 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1101165A CN1101165A (zh) | 1995-04-05 |
CN1032886C true CN1032886C (zh) | 1996-09-25 |
Family
ID=26543366
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN93118415A Expired - Fee Related CN1032886C (zh) | 1992-09-28 | 1993-09-28 | 断路器 |
Country Status (6)
Country | Link |
---|---|
US (1) | US5457295A (zh) |
EP (1) | EP0590475B1 (zh) |
KR (1) | KR940007922A (zh) |
CN (1) | CN1032886C (zh) |
DE (1) | DE69316952T2 (zh) |
SG (1) | SG73373A1 (zh) |
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- 1993-09-21 SG SG1996002791A patent/SG73373A1/en unknown
- 1993-09-21 DE DE69316952T patent/DE69316952T2/de not_active Expired - Fee Related
- 1993-09-21 EP EP93115178A patent/EP0590475B1/en not_active Expired - Lifetime
- 1993-09-21 KR KR1019930019195A patent/KR940007922A/ko not_active Application Discontinuation
- 1993-09-23 US US08/125,175 patent/US5457295A/en not_active Expired - Fee Related
- 1993-09-28 CN CN93118415A patent/CN1032886C/zh not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
SG73373A1 (en) | 2000-06-20 |
DE69316952T2 (de) | 1998-06-25 |
DE69316952D1 (de) | 1998-03-19 |
US5457295A (en) | 1995-10-10 |
EP0590475A2 (en) | 1994-04-06 |
EP0590475B1 (en) | 1998-02-11 |
KR940007922A (ko) | 1994-04-28 |
EP0590475A3 (en) | 1995-01-04 |
CN1101165A (zh) | 1995-04-05 |
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CF01 | Termination of patent right due to non-payment of annual fee |