CN111293465A - 漏电保护装置 - Google Patents
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- H01R12/714—Coupling devices for rigid printing circuits or like structures co-operating with the surface of the printed circuit or with a coupling device exclusively provided on the surface of the printed circuit with contacts abutting directly the printed circuit; Button contacts therefore provided on the printed circuit
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- H02H3/26—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to difference between voltages or between currents; responsive to phase angle between voltages or between currents
- H02H3/32—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to difference between voltages or between currents; responsive to phase angle between voltages or between currents involving comparison of the voltage or current values at corresponding points in different conductors of a single system, e.g. of currents in go and return conductors
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Abstract
本发明提供一种漏电保护装置,包括壳体和设置于壳体内的机芯组件,所述机芯组件包括控制电路板以及与控制电路板耦接的输入组件与输出组件。所述漏电保护装置包括复位组件及测试组件,复位组件包括设置于壳体外部的复位按钮,测试组件包括设置于壳体外部的测试按钮,其中,输入组件沿第一方向延伸出壳体,复位按钮和测试按钮布置于壳体的平行于第一方向的外周表面,以使得复位按钮和测试按钮的操作方向与第一方向成角度。本发明通过将复位组件和测试组件的按钮布置在平行于输入组件延伸方向的壳体的外周表面,改进了产品内部结构布局,在保证产品使用安全性的同时,大幅减小产品的体积,提高生产加工效率,降低了成本,尤其适用于紧凑的应用环境。
Description
技术领域
本发明总的涉及电气领域,尤其涉及一种漏电保护装置。
背景技术
随着人们用电安全意识的不断提升,漏电保护装置的使用越来越广泛。应用领域及使用场所也随之持续增加,这就给漏电保护装置的研发制造提出了更高的要求。以漏电保护插头为例,现有的漏电保护插头由于机械结构的限制,使得漏电保护插头的体积较大,当需要与一些小家电(如电吹风、烘干器等)搭配使用时,会造成产品的整体外观不协调,降低了产品的整体美观度。另外,由于现有的漏电保护插头体积偏大,将不能在一些限定的条件下正常使用(如卫生间的标准插座防水盒内),会给使用者造成一定的困扰。除此之外,由于现有漏电保护插头的结构复杂、体积大,还造成产品的制造难度大,成本高。因此需要研发设计新的漏电保护装置来弥补这些缺陷。
发明内容
本发明的目的在于提出一种漏电保护装置,进一步提升使用安全性,并基于上述需考虑的因素提出改进。
为此,根据本发明,提供一种漏电保护装置,包括壳体和设置于所述壳体内的机芯组件,所述机芯组件包括控制电路板,以及与所述控制电路板耦接的输入组件与输出组件,其中,所述漏电保护装置包括复位组件及测试组件,所述复位组件包括设置于所述壳体外部的复位按钮,所述测试组件包括设置于所述壳体外部的测试按钮,其中,所述输入组件沿第一方向延伸出所述壳体,所述复位按钮和所述测试按钮布置于所述壳体的平行于所述第一方向的外周表面,以使得所述复位按钮和所述测试按钮的操作方向与所述第一方向成角度。
根据上述技术构思,本发明可进一步包括任何一个或多个如下的可选形式。
在某些可选形式中,所述复位按钮和所述测试按钮沿所述第一方向或垂直于所述第一方向并列布置于所述壳体的外周表面。
在某些可选形式中,所述壳体被设置为在垂直于所述第一方向上具有圆形、方形、矩形或多边形的截面形状。
在某些可选形式中,所述输出组件在未设置所述输入组件以及所述复位按钮和所述测试按钮的壳体表面沿第二方向延伸出所述壳体,所述第二方向平行于所述第一方向或与所述第一方向成角度。
在某些可选形式中,所述壳体包括彼此连接的壳座和壳盖,所述壳盖设有供所述复位按钮和所述测试按钮突伸出的开口,所述输出组件延伸出所述壳座或所述壳盖。
在某些可选形式中,所述漏电保护装置还包括与所述控制电路板耦接的脱扣组件,所述输入组件包括一对弹性触头臂,各个弹性触头臂设有动电触头,所述输出组件包括一对触头臂,各个触头臂设有静电触头以与所述动电触头配合,所述脱扣组件设有促使所述动电触头与所述静电触头接触或脱离的脱扣器。
在某些可选形式中,所述输出组件包括输出接线装置,所述输出接线装置包括与所述机芯组件耦接的输出电线或与所述输出电线连接的接线组件。
在某些可选形式中,所述漏电保护装置还包括与所述控制电路板耦接的检测组件,所述输入组件的所述一对弹性触头臂穿过所述检测组件与电源端耦接。
在某些可选形式中,所述漏电保护装置还包括与所述控制电路板耦接的脱扣线圈,所述输出组件的所述一对触头臂经由所述脱扣线圈限位、固定并与所述输出接线装置连接。
在某些可选形式中,所述输出组件还包括与所述输出接线装置耦接的线卡,所述线卡与所述壳体配合连接。
本发明通过将漏电保护装置中复位组件和测试组件的按钮布置在平行于输入组件延伸方向的壳体的外周表面,改进了产品内部结构布局,在保证产品使用安全性的同时,大幅减小产品的体积,提高生产加工效率,降低了成本,尤其适用于紧凑的应用环境。
附图说明
本发明的其它特征以及优点将通过以下结合附图详细描述的可选实施方式更好地理解,附图中相同的标记标识相同或相似的部件,其中:
图1为根据本发明第一种实施方式的漏电保护装置的外形示意图,其中输出接线装置与输入端成角度布置;
图2为根据本发明第二种实施方式的漏电保护装置的外形示意图,其与图1类似,区别在于输出接线装置与输入端平行布置;
图3为根据本发明第三种实施方式的漏电保护装置的外形示意图,其与图1类似,区别在于复位按钮和测试按钮沿壳体平行于输入端的方向布置于外周表面的不同位置;
图4为根据本发明第四种实施方式的漏电保护装置的外形示意图,其与图3类似,区别在于复位按钮和测试按钮沿壳体平行于输入端的方向布置于外周表面的不同位置;
图5为图1漏电保护装置的分解示意图;
图6为图5漏电保护装置进一步分解的示意图;
图7为根据本发明一种实施方式的漏电保护装置中机芯组件的分解示意图;
图8为根据本发明一种实施方式的漏电保护装置的电路原理示意图。
具体实施方式
下面详细讨论实施例的实施和使用。然而,应当理解,所讨论的具体实施例仅仅示范性地说明实施和使用本发明的特定方式,而非限制本发明的范围。在描述时各个部件的结构位置例如上、下、顶部、底部等方向的表述不是绝对的,而是相对的。当各个部件如图中所示布置时,这些方向表述是恰当的,但图中各个部件的位置改变时,这些方向表述也相应改变。
在本文中,术语“耦接”、“连接”等术语均应做广义理解,例如,“连接”可以是固定连接,也可以是可拆卸连接,或一体地连接;“耦接”可以是直接连接,也可以通过中间媒介间接连接。对于本领域的普通技术人员而言,可以根据具体情况理解上述术语在本文中的具体含义。
本发明的构思在于,针对现有漏电保护装置尺寸较大而不适用于紧凑环境的问题,提供一种体积减小的产品。图1至图4示出了根据本发明各种可选实施方式的漏电保护装置。在所示例的实施方式中,以插头作为示例,然而应理解的是,并不排除其余任何可适用于本发明构思的漏电保护装置。
结合图1至图6,本发明的漏电保护装置包括壳体和设置于壳体内的机芯组件8,壳体可包括通过多个紧固件或机械结构卡扣固定连接在一起的壳座1和壳盖2,在所示实施方式中,紧固件可为图5和图6示例性示出的螺钉21和螺孔塞22。机芯组件8包括控制电路板,以及与控制电路板耦接的输入组件与输出组件,从而实现输入端和输出端的电连接。
如图1所示的第一种实施方式,输入组件包括插头片51、52,插头片51、52沿第一方向D1延伸出壳体的壳座1,输出组件包括输出接线装置6,输出接线装置6沿第二方向延伸出壳体的壳座1,该第二方向可与第一方向D1平行或成角度。在该实施方式中,第二方向为与第一方向D1大致垂直的方向D2,并且输出组件还可包括与壳体连接并延伸出壳体外部的线卡7,输出接线装置6经由线卡7实现漏电保护装置的电连接,并具有防水性能以及提升输出接线装置6的抗折弯性能和使用寿命。这里应理解的是,输出接线装置6可包括与机芯组件耦接的输出电线或与所述输出电线连接的接线组件,以便于用户自由连接输出电线。
在图2所示的第二种实施方式中,输出接线装置6沿第二方向延伸出壳体的壳盖2,也就是,输出接线装置6延伸出壳体的第二方向可与第一方向D1平行,从而可使得该漏电保护装置能够适用于更多的应用环境。
根据本发明,漏电保护装置包括复位(RESET)组件及测试(TEST)组件,其中复位组件用于控制机芯组件接通电源并包括设置于壳体外部的复位按钮3,测试组件用于模拟测试漏电电流并包括设置于壳体外部的测试按钮4。在优选实施方式中,复位按钮3和测试按钮4布置于壳体的平行于第一方向D1的外周表面,以使得复位按钮3和测试按钮4的操作方向或工作方向与第一方向D1成角度,也就是,与输入组件的插头片51、52的延伸方向成角度。优选地,将复位按钮3和测试按钮4的操作方向设置为与插头片51、52的延伸方向相互垂直,例如图1和图2中示出的,复位按钮3和测试按钮4的操作方向沿方向D2设置。以这种方式,漏电保护装置的内部结构可以被设计得更紧凑,在插头片51、52插入配对的插座中后,漏电保护装置的外部整体不会占据太多的空间。
在某些实施方式中,复位按钮3和测试按钮4可沿第一方向D1并列布置于所述壳体的外周表面,如图1和图2所示。在某些实施方式中,复位按钮3和测试按钮4亦可垂直于第一方向D1并列布置于所述壳体的外周表面,也就是,按照环绕壳体的外周表面的方式并列布置。可选地,壳体的外周可设置为多种形式,例如,在某些实施方式中,壳体被设置为在垂直于第一方向D1上具有圆形、方形、矩形或多边形的截面形状。例如图中示出的多边形截面形状。应理解的是,无论壳体被构造为何种形状,输出组件应在未设置输入组件的插头片51、52以及复位按钮3和测试按钮4的壳体表面延伸出壳体,从而保证输入端和输出端电连接的同时,确保用户对复位按钮3和测试按钮4的正常操作。
由此,在图3和图4分别示出的第三种和第四种实施方式中,壳体仍被构造成与图1和图2类似的具有多边形的截面形状,而复位按钮3和测试按钮4可被设置在平行于第一方向D1的外周表面中的任一表面上,只要该表面不与设置输出组件的表面相冲突。
在图5和图6中可以看出,在壳盖2上设有供复位按钮3和测试按钮4突伸出的开口。在可选实施方式中,复位按钮3和测试按钮4突伸出所述开口的距离可被设置为不超出壳体的外周表面,从而使得产品的整体外观更美观,尺寸更紧凑。在所示实施方式中,复位按钮3和测试按钮4均被设置为大致矩形的形状,并且具有不同的尺寸。在某些实施方式中,复位按钮3和测试按钮4亦可设计为其它任意适合的形状或尺寸。例如,两个按钮中的一个或两者可为圆形、方形或多边形的形状,或者,两个按钮可具有相同的尺寸。
结合图6和图7,在该漏电保护装置中,输入组件包括一对弹性触头臂用于连接供电电源,应理解的是,输入组件可为其余类似的电耦合结构,可选地为通过插头连接线51A、52A与插头片51、52连接的L弹性触头臂871、N弹性触头臂872,并且各个弹性触头臂设有动电触头。相应地,输出组件包括一对触头臂,可选地为通过输出连接线61、62与输出接线装置6连接的零线(N)插片861和火线(L)插片862,并且各个触头臂设有静电触头以与动电触头配合组成开关。机芯组件8包括控制电路板81、与控制电路板81耦接的脱扣组件和检测组件,其中,N插片861、L插片862和L弹性触头臂871、N弹性触头臂872分别与控制电路板81配合安装。
从图7中可见,输出组件的N插片861、L插片862通过脱扣线圈821对应的定位孔与控制电路板81相连接。在某些实施方式中,脱扣组件至少包括脱扣线圈(SOL)821、脱扣器88、脱扣铁芯822和脱扣弹簧823,脱扣铁芯822和脱扣弹簧823配置于脱扣线圈821内,并可通过线圈挡板824嵌入,以防止脱扣铁芯822和脱扣弹簧823脱落。当脱扣线圈821产生磁场时,脱扣铁芯822会在磁场力的作用下,沿着脱扣线圈821内的通道运动。脱扣器88则用于与脱扣铁芯822配合,从而在与脱扣铁芯822运动方向垂直的方向上移动,以促使搭接在脱扣器88两臂上的输入组件的L弹性触头臂871、N弹性触头臂872变形,并与N插片861、L插片862接触闭合进而接通电路,或者反之,促使L弹性触头臂871、N弹性触头臂872与N插片861、L插片862脱离接触进而断开电路。
具体地,复位组件至少包括与脱扣器88配合的复位杆84和复位弹簧85,其中复位杆84的一端穿过控制电路板81嵌入复位按钮3,另一端嵌入复位弹簧85。当压下复位按钮3后,复位杆84与脱扣器88搭扣,通过复位弹簧85的弹力,将搭接在脱扣器88两臂上的L弹性触头臂871、N弹性触头臂872向上提升,实现与N插片861、L插片862的接触连接,从而获得输入端与输出端的电力连接。当出现漏电电流时,脱扣线圈821产生磁场,驱动脱扣铁芯822移动,使复位杆84与脱扣器88脱扣,L弹性触头臂871、N弹性触头臂872与N插片861、L插片862断开,从而切断输入端与输出端的电力连接。
从图7中可见,L弹性触头臂871、N弹性触头臂872直接穿过检测组件与控制电路板81和输入端连接。在某些实施方式中,检测组件至少包括检测线圈套831、检测线圈(CT)832和检测线圈盖833。其中,检测线圈832和检测线圈盖833配置在检测线圈套831内。这样,可通过检测线圈832检测穿过的输入组件的L弹性触头臂871、N弹性触头臂872相线间是否存在漏电电流,从而用于驱动漏电保护装置连接或切断电力连接。
以下结合图8描述本发明的漏电保护装置的工作原理。当L、N没有漏电电流时,压下复位按钮(RESET),即可实现输入端和输出端的电力连接。当检测线圈(CT)检测到L、N出现漏电电流时,CT将检测到的漏电电流信号传送给处理器IC。如果漏电电流超过设定值,IC发出信号驱动可控硅SRC导通,从而使脱扣线圈SOL产生磁场,驱动脱扣铁芯运动,断开输入端和输出端的电力连接。
这里应当理解的是,图中所示实施方式仅显示了根据本发明的漏电保护装置的各个可选部件的可选形状、尺寸和布置方式,然而其仅为示意而非限制,在不背离本发明的思想和范围的情况下,亦可采取其他形状、尺寸和布置方式。
以上已揭示本发明的技术内容及技术特点,然而可以理解,在本发明的创作思想下,本领域的技术人员可以对上述公开的构思作各种变化和改进,但都属于本发明的保护范围。上述实施方式的描述是例示性的而不是限制性的,本发明的保护范围由权利要求所确定。
Claims (10)
1.一种漏电保护装置,包括壳体和设置于所述壳体内的机芯组件,所述机芯组件包括控制电路板,以及与所述控制电路板耦接的输入组件与输出组件,其特征在于,所述漏电保护装置包括复位组件及测试组件,所述复位组件包括设置于所述壳体外部的复位按钮,所述测试组件包括设置于所述壳体外部的测试按钮,其中,所述输入组件沿第一方向延伸出所述壳体,所述复位按钮和所述测试按钮布置于所述壳体的平行于所述第一方向的外周表面,以使得所述复位按钮和所述测试按钮的操作方向与所述第一方向成角度。
2.根据权利要求1所述的漏电保护装置,其特征在于,所述复位按钮和所述测试按钮沿所述第一方向或垂直于所述第一方向并列布置于所述壳体的外周表面。
3.根据权利要求1或2所述的漏电保护装置,其特征在于,所述壳体被设置为在垂直于所述第一方向上具有圆形、方形、矩形或多边形的截面形状。
4.根据权利要求1或2所述的漏电保护装置,其特征在于,所述输出组件在未设置所述输入组件以及所述复位按钮和所述测试按钮的壳体表面沿第二方向延伸出所述壳体,所述第二方向平行于所述第一方向或与所述第一方向成角度。
5.根据权利要求4所述的漏电保护装置,其特征在于,所述壳体包括彼此连接的壳座和壳盖,所述壳盖设有供所述复位按钮和所述测试按钮突伸出的开口,所述输出组件延伸出所述壳座或所述壳盖。
6.根据权利要求1或2所述的漏电保护装置,其特征在于,所述漏电保护装置还包括与所述控制电路板耦接的脱扣组件,所述输入组件包括一对弹性触头臂,各个弹性触头臂设有动电触头,所述输出组件包括一对触头臂,各个触头臂设有静电触头以与所述动电触头配合,所述脱扣组件设有促使所述动电触头与所述静电触头接触或脱离的脱扣器。
7.根据权利要求6所述的漏电保护装置,其特征在于,所述输出组件包括输出接线装置,所述输出接线装置包括与所述机芯组件耦接的输出电线或与所述输出电线连接的接线组件。
8.根据权利要求6所述的漏电保护装置,其特征在于,所述漏电保护装置还包括与所述控制电路板耦接的检测组件,所述输入组件的所述一对弹性触头臂穿过所述检测组件与电源端耦接。
9.根据权利要求7所述的漏电保护装置,其特征在于,所述漏电保护装置还包括与所述控制电路板耦接的脱扣线圈,所述输出组件的一对触头臂经由所述脱扣线圈限位、固定并与所述输出接线装置连接。
10.根据权利要求7所述的漏电保护装置,其特征在于,所述输出组件还包括与所述输出接线装置耦接的线卡,所述线卡与所述壳体配合连接。
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