WO2017080138A1 - 一种手自一体化的电磁开关 - Google Patents

一种手自一体化的电磁开关 Download PDF

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Publication number
WO2017080138A1
WO2017080138A1 PCT/CN2016/080135 CN2016080135W WO2017080138A1 WO 2017080138 A1 WO2017080138 A1 WO 2017080138A1 CN 2016080135 W CN2016080135 W CN 2016080135W WO 2017080138 A1 WO2017080138 A1 WO 2017080138A1
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WIPO (PCT)
Prior art keywords
electromagnetic switch
circuit
permanent magnet
switch
pendulum assembly
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PCT/CN2016/080135
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English (en)
French (fr)
Inventor
邓宇春
左峰华
荣亮
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北京子清智创科技有限公司
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Publication of WO2017080138A1 publication Critical patent/WO2017080138A1/zh

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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
    • H01H71/24—Electromagnetic mechanisms
    • H01H71/32—Electromagnetic mechanisms having permanently magnetised part
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H50/00—Details of electromagnetic relays
    • H01H50/02—Bases; Casings; Covers
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H51/00—Electromagnetic relays
    • H01H51/01—Relays in which the armature is maintained in one position by a permanent magnet and freed by energisation of a coil producing an opposing magnetic field

Definitions

  • the invention relates to the field of switch technology, and more particularly to a hand-integrated electromagnetic switch.
  • the switch can be divided into high-voltage switch, low-voltage switch box electrical accessory switch and so on.
  • Appliance switch is a kind of switch that belongs to electrical accessories. With the development of technology, product function innovation, upgrade, etc., it is required that the appliance switch also has undervoltage protection when the voltage is too low, and power failure protection that does not allow automatic reset after power failure.
  • the electromagnetic switch is a typical appliance switch with undervoltage protection and power failure protection.
  • the existing electromagnetic switches generally include a start/stop button, a snap-on mechanism, a holding coil and a contact mechanism, and a spring.
  • a start button when the start button is pressed, when the internal snap-on armature is pushed to the normal closed position of the magnetic circuit of the magnetic system, the armature drives the electromagnetic switch contact part to be closed, and the spring is compressed; when the stop button is pressed, The compression spring drives the internal snap-on armature to be out of the closed position of the magnetic system, the electromagnetic switch contacts are separated, and the electromagnetic switch is disconnected.
  • the state of the spring is adjusted by pressing during use, thereby achieving the closing and opening of the electromagnetic switch.
  • the spring will age, which affects the quality of the electromagnetic switch and shortens the life of the electromagnetic switch.
  • the present invention provides a hand-integrated electromagnetic switch that ensures the quality of the electromagnetic switch to extend the service life of the electromagnetic switch.
  • the present invention provides the following technical solutions:
  • a hand-integrated electromagnetic switch comprising:
  • a coil core disposed on the fixed base, the coil of the coil core being used to be connected to a DC circuit;
  • a first switch circuit for connecting to an external circuit disposed on the fixed base
  • An inner pendulum assembly having a first permanent magnet that generates a magnetic force with the core of the coil core to swing the inner pendulum assembly and a first one capable of communicating with the first switch circuit Connected pieces.
  • the electromagnetic switch further includes: a second switch circuit disposed on the fixed base for connecting with the test circuit;
  • the inner pendulum assembly has a second permanent magnet that generates a magnetic force with the iron core of the coil core, and a second communication piece that can communicate with the second switching circuit, and the second permanent magnet and the The magnetic direction of the iron core and the magnetic direction of the first permanent magnet and the iron core are opposite.
  • an indicator light is connected to the test circuit.
  • the second switch circuit includes two left pieces of the elastic piece electrode, and the two left pieces of the elastic piece electrode can be electrically connected through the second connecting piece, and the two pieces of the left piece of the elastic piece are left. Both are used for the test circuit connection.
  • the first switch circuit includes two right edges of the spring electrode, and the two right pieces of the spring electrode can be turned on by the first connecting piece, and the two pieces of the right piece of the elastic piece are right. Both are used for the external circuit connection.
  • the inner pendulum assembly further includes a U-shaped inner swing bracket, and the U-shaped inner swing bracket is swingably mounted on a shaft hole of the fixed base through a rotating shaft, the first A permanent magnet and the second permanent magnet are both disposed on the U-shaped inner swing bracket.
  • the first permanent magnet and the second permanent magnet are respectively disposed on outer surfaces of two side walls of the U-shaped inner swing bracket.
  • the coil core is disposed in a U-shaped space of the U-shaped inner swing bracket.
  • the present invention discloses a hand-integrated electromagnetic switch, comprising: a fixed base, a coil core, a first switch circuit and a pendulum assembly, wherein the fixed base serves as the entire electromagnetic switch
  • the foundation for supporting and mounting the frame; the coil iron for connecting to the DC circuit
  • the core is mounted on the fixed base;
  • the first switch circuit is connected to the external circuit, and the external circuit is the circuit that the solenoid valve needs to control;
  • the first permanent magnet of the inner pendulum assembly and the iron core of the coil core can generate magnetic force
  • the functions, that is, the mutual attraction or mutual exclusion, the first connecting piece of the inner pendulum assembly can turn on the first switching circuit.
  • the coil core is connected to the DC circuit.
  • the iron core generates a stable magnetic field, so that one end of the iron core is an S pole at the N pole end, and the N pole of the iron core and the N pole of the first permanent magnet. Repelling, the S pole of the iron core is attracted to the N pole of the first permanent magnet, and swings the inner swing assembly.
  • the first connecting piece When the iron core is attracted to the first permanent magnet, the first connecting piece is away from the first switching circuit, so that the first The switch circuit cannot be connected, and the electromagnetic switch is turned off; when the iron core and the first permanent magnet are repelled, the inner pendulum assembly swings away from the coil core, so that the first connecting piece approaches the first switch circuit until the first The connecting piece is matched with the first switch circuit, the first switch circuit is connected, the electromagnetic switch is turned on, so that the external circuit forms a loop; when the voltage of the DC circuit is reversed, the inner swing assembly is reversely oscillated, thereby realizing electromagnetic The switch is open and on.
  • the electromagnetic switch disclosed in the present application can control the electromagnetic switch by swinging the inner pendulum assembly by means of power supply, and does not require the operator to press to change the state of the elastic member to change the state of the electromagnetic switch, thereby ensuring the quality of the electromagnetic switch. To extend the life of the electromagnetic switch.
  • the electromagnetic switch in the present application can also realize manual control to ensure the normal use of the electromagnetic switch when it cannot be controlled by the power supply mode.
  • FIG. 1 is a top plan view of an electromagnetic switch according to an embodiment of the present invention.
  • FIG. 2 is a schematic structural view showing the electromagnetic switch of the A-A direction of FIG. 1 disconnected;
  • FIG. 3 is a schematic structural view showing the electromagnetic switch of the A-A direction in FIG. 1;
  • FIG. 4 is a top plan view of a pendulum assembly according to an embodiment of the present invention.
  • Fig. 5 is a B-B direction view of Fig. 4;
  • the core of the invention is to provide a hand-integrated electromagnetic switch that reduces the labor intensity during use of the electromagnetic switch.
  • the present invention discloses a hand-integrated electromagnetic switch, comprising: a fixed base 1, a coil core 7, a first switch circuit 2 and a pendulum assembly 3, wherein
  • the base 1 serves as a base of the entire electromagnetic switch and functions as a support and a mounting bracket;
  • the coil core 7 for connecting with the DC circuit is mounted on the fixed card 5 of the fixed base 1;
  • the first switch circuit 2 is used for Connected to an external circuit, the external circuit is the circuit that the electromagnetic switch needs to control;
  • the permanent magnets 17 and 12 of the inner pendulum assembly 3 and the iron core of the coil core 7 can generate magnetic force, that is, can attract each other or mutually repel each other, iron
  • the first communication piece 18 of the inner pendulum assembly 3 when the core of the core coil is attracted can electrically turn on the first switching circuit 2.
  • the coil core 7 is connected to the DC circuit.
  • the iron core generates a stable magnetic field, so that one end of the iron core is an S pole at one end of the N pole, and the N pole of the iron core and the first permanent magnet 17 are The N pole is repelled, and the S pole of the iron core is attracted to the N pole of the permanent magnet 17 to swing the inner swing assembly.
  • the first connecting piece 18 When the iron core and the permanent magnet 12 are attracted, the first connecting piece 18 is away from the first switching circuit 2, so that The first switch circuit 2 cannot be connected, and the electromagnetic switch is turned off; when the iron core and the first permanent magnet 12 are repelled, the inner pendulum assembly 3 swings away from the coil core 7 so that the first connecting piece 18 is close to the first a switching circuit 2 until the first connecting piece 18 is engaged with the first switching circuit 2, the first switching circuit 2 is connected, the electromagnetic switch is turned on, so that the external circuit forms a loop; when the voltage of the DC circuit is reversed, The inner pendulum assembly swings in the opposite direction, thereby achieving electromagnetic switch disconnection and conduction.
  • the electromagnetic switch disclosed in the present application can control the electromagnetic switch by swinging the inner pendulum assembly 3 by means of power supply, and does not require the operator to press to change the state of the elastic member to change the state of the electromagnetic switch, thereby ensuring the electromagnetic switch. Quality to extend the life of the electromagnetic switch.
  • the electromagnetic switch in the present application can also realize manual control to ensure the normal use of the electromagnetic switch when it cannot be controlled by the power supply mode.
  • the electromagnetic switch further includes a second switch power disposed on the fixed base
  • the circuit 4 is connected to the test circuit, and the test circuit is a circuit for detecting the state of the electromagnetic switch.
  • the inner pendulum assembly has a second permanent magnet 17 that generates a magnetic force with the core of the coil core 7, and has a second connecting piece 11 that can communicate with the second switching circuit 4. .
  • the magnetic direction of the second permanent magnet 17 and the iron core is set to be opposite to the magnetic direction of the first permanent magnet 12 and the iron core to ensure the inner pendulum assembly. 3 swings back and forth between the first switching circuit 2 and the second switching circuit 4.
  • the first permanent magnet 12 repels the iron core and the second permanent magnet 17 collides with the iron core, and the inner pendulum assembly 3 leads to The direction of a permanent magnet 17 is swung until the second permanent magnet 17 is attracted to the core.
  • the first connecting piece 18 turns on the first switching circuit 2, and the electromagnetic switch is turned on, and the second connecting piece 11 Away from the second switch circuit 4, the second switch circuit 4 is not turned on, and the test circuit cannot form a loop.
  • the operator records the state of the test circuit as the electromagnetic switch on state; when the voltage of the DC circuit is reversed, the first The permanent magnet 12 is attracted to the iron core, the second permanent magnet 17 is repelled with the iron core, and the inner pendulum assembly 3 is swung in the direction of the second permanent magnet 17, and the first connecting piece 18 is away from the first switching circuit 2, that is, The electromagnetic switch is turned off, and the second connecting piece 11 turns on the second switching circuit 4 to alert the operator that the state is that the electromagnetic switch is turned off.
  • the inner pendulum assembly 3 swings between the first switching circuit 2 and the second switching circuit 4, when swinging to the first switching circuit 2, the electromagnetic switch is turned on, and the second switching circuit 4 is turned off, and the detecting device When not swaying to the second switching circuit 4, the second switching circuit 4 is turned on, the detecting device is turned on, the first switching circuit 2 is not turned on, and the electromagnetic switch is turned off.
  • the second switch circuit 4 By setting the second switch circuit 4, it is convenient for the operator to detect the current state of the electromagnetic switch, that is, the open state or the conductive state, to prevent the occurrence of erroneous operation, and prolong the service life of the electromagnetic switch.
  • an indicator light is connected to the test circuit to implement an alert by the indicator light. It is convenient for the operator to observe, that is, when the indicator light is on, the electromagnetic switch is in an off state, and when the indicator light is off, the electromagnetic switch is in an on state. In the present application, only a specific warning device is provided. In practice, different indicating devices can be connected to the detecting device according to different needs, and all are within the protection range.
  • the structure of the second switch circuit 4 disclosed in the present application specifically includes two left pieces of the elastic piece electrodes, and the right piece contacts 15 of the left pieces of the two pieces of the elastic piece are respectively connected to the positive electrode and the negative pole of the test circuit, in order to realize the electromagnetic switch state detection.
  • the two pieces of the left elastic piece of the elastic piece are not connected, and the two pieces of the left piece of the elastic piece are connected through the second connecting piece 11.
  • the detecting circuit is not turned on, indicating that the first switching circuit 2 is turned on, and the electromagnetic switch is in an on state.
  • the first switch circuit 2 disclosed in the present application includes two right pieces of the elastic piece electrodes, and the right pieces of the two pieces of the elastic piece can be electrically connected through the first connecting piece 18, and the two pieces of the right piece of the elastic piece are The left chip contacts 16 are respectively connected to the positive and negative terminals of the external circuit.
  • the two pieces of the elastic electrode of the two pieces are not connected, and the two pieces of the right piece of the elastic piece are connected through the first connecting piece 18.
  • the external circuit is not turned on, indicating that the first switching circuit 2 is disconnected, and the electromagnetic switch is in an off state.
  • the second switching circuit 4 is turned on.
  • the detection circuit is connected.
  • the inner pendulum assembly 3 disclosed in the present application further includes a U-shaped inner swing bracket 9 rotatably mounted on the shaft hole 8 of the fixed base 1 via the rotating shaft 13 Above, under the action of the magnetic force, the U-shaped inner swing bracket 9 is rotated about the rotating shaft. Specifically, the first permanent magnet 12 and the second permanent magnet 17 are mounted on the U-shaped inner swing bracket 9 , and the installation positions of the first permanent magnet 12 and the second permanent magnet 17 can be set according to different needs. And are within the scope of protection.
  • the swing of the inner pendulum assembly 3 is usually connected by means of the rotating shaft 13, but the inner swing bracket can also be provided with an elastic structure, which is deformed by the magnetic force to oscillate.
  • the first permanent magnet 12 and the second permanent magnet 17 are arranged symmetrically about the axis of the rotating shaft 13, and in practice, in order to further reduce the size of the electromagnetic switch,
  • the first permanent magnet 12 and the second permanent magnet 17 are respectively disposed on the outer surfaces of the two side walls of the U-shaped inner swing bracket 9, and the polarities of the side where the two permanent magnets are attached to the U-shaped inner swing bracket 9 the same.
  • the first switching circuit 2 and the second switching circuit 4 are also arranged symmetrically about the axis of the rotating shaft 13 to reduce the amplitude of the swing of the inner pendulum assembly 3, reducing the size of the entire electromagnetic switch.
  • the coil core 7 is disposed in the U-shaped space of the U-shaped inner swing bracket 9, that is, the first permanent magnet 12 and the second permanent magnet 17 are simultaneously capable of acting on the coil core.
  • the inner pendulum assembly 3 realizes continuous swing on the left and right sides under the action of the magnetic force of both the first permanent magnet 12 and the second permanent magnet 17 and the iron core.
  • the first switch circuit 2 and the second switch circuit 4 in the present application are identical in structure, and therefore, either one of them can be selected in practice and connected to the external circuit, and the other is connected to the detection circuit.

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  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Magnetic Treatment Devices (AREA)
  • Switches Operated By Changes In Physical Conditions (AREA)
  • Electromagnets (AREA)

Abstract

一种手自一体化的电磁开关，包括：固定机座（1）、线圈铁芯（7）、第一开关电路（2）和内摆总成（3），其中，固定机座起到支撑和安装架的作用；用于与直流电路接通的线圈铁芯安装在固定机座上；第一开关电路用于与外接电路连接，外接电路；内摆总成的第一永磁体（12）与线圈铁芯的铁芯能够产生磁力作用，即能够相互吸引或者相互排斥，内摆总成的第一连通片（18）能够使第一开关电路导通。该电磁开关可通过供电的方式对电磁开关进行控制，不需要操作者不断按压电磁开关，也不需要弹性件改变电磁开关的状态，因此，保证电磁开关的质量，以延长电磁开关的使用寿命。该电磁开关还可实现手动控制，保证电磁开关在无法通过供电方式进行控制时的正常使用。

Description

一种手自一体化的电磁开关
本申请要求于2015年11月12日提交中国专利局、申请号为2015107707361、发明名称为“一种手自一体化的电磁开关”的中国专利申请的优先权，其全部内容通过引用结合在本申请中。
技术领域
本发明涉及开关技术领域，更具体的说，是涉及一种手自一体化的电磁开关。
背景技术
开关以使用场合可分为高压开关、低压开关盒电器附件类开关等。器具开关是一类属电器附件的开关，随着科技的发展，产品功能创新、升级等，要求器具开关也具有电压过低时的欠压保护、停电后不允许自动复位的失电保护等功能，其中，电磁开关则是一种典型的具有欠压保护和失电保护功能的器具开关。
目前，现有的电磁开关一般包括启动/停止按钮、拍合式机构、保持线圈及触头机构和弹簧等。正常使用时，当按下启动按钮时，推动内部拍合式衔铁至磁***磁路正常闭合位置时，衔铁带动电磁开关触头部分闭合接通，此时弹簧压缩；当按下停止按钮时，会压缩弹簧，驱动内部拍合式衔铁脱离磁***的闭合位置，电磁开关触头分离，电磁开关断开。
综上，对于现有的电磁开关，在使用过程中通过按压的方式调节弹簧的状态，从而实现电磁开关的闭合和断开。但是，在长时间使用成中，弹簧会老化，而影响电磁开关的质量，缩短了电磁开关的寿命。
因此，如何保证电磁开关的质量，以延长电磁开关的使用寿命，是本领域技术人员目前需要解决的技术问题。
发明内容
有鉴于此，本发明提供了一种手自一体化的电磁开关，保证电磁开关的质量，以延长电磁开关的使用寿命。
为实现上述目的，本发明提供如下技术方案：
一种手自一体化的电磁开关，其包括：
固定机座；
设置在所述固定机座上的线圈铁芯，所述线圈铁芯的线圈用于与直流电路接通；
设置在所述固定机座上的用于与外接电路连接的第一开关电路；
内摆总成，所述内摆总成具有与所述线圈铁芯的铁芯产生磁力作用而使所述内摆总成摆动的第一永磁体和能够连通所述第一开关电路的第一连通片。
优选地，上述的电磁开关中，还包括：设置在所述固定机座上用于与测试电路连接的第二开关电路；
所述内摆总成具有与所述线圈铁芯的铁芯产生磁力作用的第二永磁体，和能够连通所述第二开关电路的第二连通片，且所述第二永磁体与所述铁芯的磁力方向和所述第一永磁体与所述铁芯的磁力方向相反。
优选地，上述的电磁开关中，所述测试电路上连接有指示灯。
优选地，上述的电磁开关中，所述第二开关电路包括两个弹片电极左片，两个所述弹片电极左片能够通过所述第二连通片导通，两个所述弹片电极左片均用于所述测试电路连接。
优选地，上述的电磁开关中，所述第一开关电路包括两个弹片电极右片，两个所述弹片电极右片能够通过所述第一连通片导通，两个所述弹片电极右片均用于所述外接电路连接。
优选地，上述的电磁开关中，所述内摆总成还包括U型内摆支架，所述U型内摆支架通过转轴可摆动的安装在所述固定机座的轴孔上，所述第一永磁体和所述第二永磁体均设置在所述U型内摆支架上。
优选地，上述的电磁开关中，所述第一永磁体和所述第二永磁体分别设置在所述U型内摆支架的两个侧壁的外表面。
优选地，上述的电磁开关中，所述线圈铁芯设置在所述U型内摆支架的U型空间内。
经由上述的技术方案可知，本发明公开了一种手自一体化的电磁开关，包括：固定机座、线圈铁芯、第一开关电路和内摆总成，其中，固定机座作为整个电磁开关的基础，起到支撑和安装架的作用；用于与直流电路接通的线圈铁 芯安装在固定机座上；第一开关电路用于与外接电路连接，外接电路即为该电磁阀需要控制的电路；内摆总成的第一永磁体与线圈铁芯的铁芯能够产生磁力作用，即能够相互吸引或者相互排斥，内摆总成的第一连通片能够使第一开关电路导通。工作时，将线圈铁芯与直流电路接通，此时，铁芯会产生一个稳定磁场，使得铁芯一端为N极一端为S极，铁芯的N极会与第一永磁体的N极排斥，铁芯的S极会与第一永磁体的N极吸引，使内摆总成摆动，当铁芯与第一永磁体吸合时，第一连通片远离第一开关电路，使得第一开关电路不能连通，此时电磁开关断开；当铁芯与第一永磁体排斥时，内摆总成向远离线圈铁芯的方向摆动，使得第一连通片靠近第一开关电路，直至第一连通片与第一开关开关电路贴合，第一开关电路连通，该电磁开关导通，使外接电路形成回路；当直流电路的电压反向时，则内摆总成反向摆动，从而实现电磁开关断开和导通。
本申请中公开的电磁开关可通过供电的方式使内摆总成摆动对电磁开关进行控制，不需要操作者按压以改变弹性件的状态而达到改变电磁开关的状态，因此，保证电磁开关的质量，以延长电磁开关的使用寿命。此外，本申请中的电磁开关还可实现手动控制，以保证电磁开关在无法通过供电方式进行控制时的正常使用。
附图说明
为了更清楚地说明本发明实施例或现有技术中的技术方案，下面将对实施例或现有技术描述中所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图仅仅是本发明的实施例，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据提供的附图获得其他的附图。
图1为本发明实施例提供的电磁开关的俯视图；
图2为图1中A-A方向电磁开关断开的结构示意图；
图3为图1中A-A方向电磁开关导通的结构示意图；
图4为本发明实施例提供的内摆总成的俯视图；
图5为图4的B-B方向视图。
具体实施方式
本发明的核心是提供一种手自一体化的电磁开关，降低电磁开关使用过程中的劳动强度。
下面将结合本发明实施例中的附图，对本发明实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅仅是本发明一部分实施例，而不是全部的实施例。基于本发明中的实施例，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例，都属于本发明保护的范围。
如图1-图5所示，本发明公开了一种手自一体化的电磁开关，包括：固定机座1、线圈铁芯7、第一开关电路2和内摆总成3，其中，固定机座1作为整个电磁开关的基础，起到支撑和安装架的作用；用于与直流电路接通的线圈铁芯7安装在固定机座1的固定卡5上；第一开关电路2用于与外接电路连接，外接电路即为该电磁开关需要控制的电路；内摆总成3的永磁体17和12与线圈铁芯7的铁芯能够产生磁力作用，即能够相互吸引或者相互排斥，铁芯线圈的铁芯吸合时内摆总成3的第一连通片18能够使第一开关电路2导通。工作时，将线圈铁芯7与直流电路接通，此时，铁芯会产生一个稳定磁场，使得铁芯一端为N极一端为S极，铁芯的N极会与第一永磁体17的N极排斥，铁芯的S极会与永磁体17的N极吸引，使内摆总成摆动，当铁芯与永磁体12吸合时，第一连通片18远离第一开关电路2，使得第一开关电路2不能连通，此时电磁开关断开；当铁芯与第一永磁体12排斥时，内摆总成3向远离线圈铁芯7的方向摆动，使得第一连通片18靠近第一开关电路2，直至第一连通片18与第一开关开关电路2贴合，第一开关电路2连通，该电磁开关导通，使外接电路形成回路；当直流电路的电压反向时，则内摆总成反向摆动，从而实现电磁开关断开和导通。
本申请中公开的电磁开关可通过供电的方式使内摆总成3摆动对电磁开关进行控制，不需要操作者按压以改变弹性件的状态而达到改变电磁开关的状态，因此，保证电磁开关的质量，以延长电磁开关的使用寿命。此外，本申请中的电磁开关还可实现手动控制，以保证电磁开关在无法通过供电方式进行控制时的正常使用。
在进一步的实施例中，该电磁开关还包括设置在固定机座上的第二开关电 路4，该第二开关电路4用于与测试电路连接，测试电路为检测该电磁开关状态的电路。为了实现对第二开关电路4的控制，该内摆总成具有与线圈铁芯7的铁芯产生磁力作用的第二永磁体17，并且具有能够连通第二开关电路4的第二连通片11。为了保证该电磁开关的内摆总成3能够稳定的摇摆，将第二永磁体17与铁芯的磁力方向设置为和第一永磁体12与铁芯的磁力方向相反，以保证内摆总成3在第一开关电路2和第二开关电路4之间来回摆动。
工作时，当线圈铁芯7通过线圈电极6与直流电路连通后，第一永磁体12与铁芯相斥而第二永磁体17则与铁芯相吸时，内摆总成3则向第一永磁体17的方向摆动，直至第二永磁体17与铁芯吸合在一起，此时，第一连通片18将第一开关电路2导通，电磁开关导通，而第二连通片11远离第二开关电路4，第二开关电路4不导通，测试电路无法形成回路，此时操作者将测试电路的状态记作电磁开关导通状态；当直流电路的电压反向时，第一永磁体12与铁芯相吸，第二永磁体17则与铁芯相斥，内摆总成3向第二永磁体17的方向摆动，第一连通片18则远离第一开关电路2，即电磁开关断开，而第二连通片11将第二开关电路4导通，警示操作者该状态为电磁开关断开。综上，内摆总成3在第一开关电路2和第二开关电路4之间摆动，当摆动至第一开关电路2时，该电磁开关导通，第二开关电路4断开，检测装置不导通；当摆动至第二开关电路4时，第二开关电路4导通，检测装置导通，第一开关电路2不导通，该电磁开关断开。
通过设置第二开关电路4，可方便操作者检测该电磁开关当前的状态，即为断开状态还是导通状态，防止出现误操作的问题，延长了该电磁开关的使用寿命。
此外，铁芯与第一永磁体12吸合后，若断开直流电路，在永磁体的磁力作用下，第一永磁体12与铁芯还会继续吸附，而不断开，同理，当铁芯与第二永磁体17吸合后，在不改变电压方向时也不会断开，因此，可避免一直供电，达到节能的目的。当需要改变电磁开关状态时，则只需要改变一定宽度的脉冲的电压方向即可，也不需要维持直流电路的一直供电。
在具体的实施例中，在测试电路上连接指示灯，以通过指示灯实现警示作 用，方便操作者观察，即当指示灯亮时，则该电磁开关为断开状态，当指示灯不亮时，则该电磁开关为导通状态。本申请中只是提供了一种具体的警示装置，在实际中可根据不同的需要在检测装置上连接不同的指示装置，且均在保护范围内。
本申请中的公开的第二开关电路4的结构具体包括两个弹片电极左片，这两个弹片电极左片的右片触点15分别连接测试电路的正极和负极，为了实现电磁开关状态检测的作用，这两个弹片电极左片是不连通，需要通过第二连通片11将这两个弹片电极左片连通。当第二连通片11不与两个弹片电极左片连通时，检测电路不导通，说明第一开关电路2导通，电磁开关为导通状态。
在上述技术方案的基础上，本申请中公开的第一开关电路2包括两个弹片电极右片，这两个弹片电极右片能够通过第一连通片18导通，两个弹片电极右片的左片触点16分别连接外接电路的正极和负极。为了实现电磁开关的作用，这两个弹片电极右片是不连通，需要通过第一连通片18将这两个弹片电极右片连通。当第一连通片18不与两个弹片电极右片连通时，外接电路不导通，说明第一开关电路2断开，电磁开关为断开状态，此时，第二开关电路4导通，检测电路连通。
此处只是提供了一种第一开关电路2和第二开关电路4的具体方式，其核心为这两个电路开关均能够形成一根完整的导线串联在需要连接的电路即可，因此，只要能够实现这个核心的装置均在保护范围内。
更进一步的实施例中，将本申请中公开的内摆总成3还包括U型内摆支架9，该U型内摆支架9通过转轴13可转动的安装在固定机座1的轴孔8上，在磁力的作用下，使U型内摆支架9绕转轴转动。具体的，将上述第一永磁体12和第二永磁体17均安装在U型内摆支架9上，对于第一永磁体12和第二永磁体17的安装位置可根据不同的需要进行设定，且均在保护范围内。实现内摆总成3的摆动通常采用转轴13的方式连接，但是，也可将内摆支架设置为具有弹性的结构，在磁力作用下发生形变而发生摆动。
为了减小内摆总成3摆动的距离，将第一永磁体12和第二永磁体17设置为关于转轴13的轴线对称布置，在实际中，为了进一步减小电磁开关的大小， 将第一永磁体12和第二永磁体17分别设置在U型内摆支架9的两个侧壁的外表面，并且两个永磁体与U型内摆支架9贴合的一侧的极性相同。同时将第一开关电路2和第二开关电路4同样设置为关于转轴13的轴线对称布置，以减小内摆总成3摆动的幅度，减小整个电磁开关的大小。
更进一步的实施例中，将线圈铁芯7设置在U型内摆支架9的U型空间内，即保证第一永磁体12和第二永磁体17能够同时对线圈铁芯进行作用。如图2和图3所示，内摆总成3在第一永磁体12和第二永磁体17两者与铁芯的磁力作用下，实现在左右两侧的不断摆动。
本申请中的第一开关电路2和第二开关电路4结构相同，因此，在实际中可选择任一项与外接电路连接，另一者与检测电路连接。
本说明书中各个实施例采用递进的方式描述，每个实施例重点说明的都是与其他实施例的不同之处，各个实施例之间相同相似部分互相参见即可。
对所公开的实施例的上述说明，使本领域专业技术人员能够实现或使用本发明。对这些实施例的多种修改对本领域的专业技术人员来说将是显而易见的，本文中所定义的一般原理可以在不脱离本发明的精神或范围的情况下，在其它实施例中实现。因此，本发明将不会被限制于本文所示的这些实施例，而是要符合与本文所公开的原理和新颖特点相一致的最宽的范围。

Claims (8)

  1. 一种手自一体化的电磁开关，其特征在于，包括：
    固定机座(1)；
    设置在所述固定机座(1)上的线圈铁芯(7)，所述线圈铁芯(7)的线圈用于与直流电路接通；
    设置在所述固定机座(1)上的用于与外接电路连接的第一开关电路(2)；
    内摆总成(3)，所述内摆总成(3)具有与所述线圈铁芯的铁芯(7)产生磁力作用而使所述内摆总成(3)摆动的第一永磁体(12)和能够连通所述第一开关电路(2)的第一连通片(18)。
  2. 根据权利要求1所述的电磁开关，其特征在于，还包括：设置在所述固定机座(1)上用于与测试电路连接的第二开关电路(4)；
    所述内摆总成(3)具有与所述线圈铁芯(7)的铁芯产生磁力作用的第二永磁体(17)，和能够连通所述第二开关电路(4)的第二连通片(11)，且所述第二永磁体(17)与所述铁芯的磁力方向和所述第一永磁体(12)与所述铁芯的磁力方向相反。
  3. 根据权利要求2所述的电磁开关，其特征在于，所述测试电路上连接有指示灯。
  4. 根据权利要求2所述电磁开关，其特征在于，所述第二开关电路(4)包括两个弹片电极左片，两个所述弹片电极左片能够通过所述第二连通片(11)导通，两个所述弹片电极左片均用于所述测试电路连接。
  5. 根据权利要求1-4任一项所述的电磁开关，其特征在于，所述第一开关电路(2)包括两个弹片电极右片，两个所述弹片电极右片能够通过所述第一连通片(18)导通，两个所述弹片电极右片均用于所述外接电路连接。
  6. 根据权利要求2-4任一项所述的电磁开关，其特征在于，所述内摆总成(3)还包括U型内摆支架(9)，所述U型内摆支架(9)通过转轴(13)可摆动的安装在所述固定机座(1)的轴孔(8)上，所述第一永磁体(12)和所述第二永磁体(17)均设置在所述U型内摆支架(9)上。
  7. 根据权利要求6所述的电磁开关，其特征在于，所述第一永磁体(12) 和所述第二永磁体(17)分别设置在所述U型内摆支架(9)的两个侧壁的外表面。
  8. 根据权利要求7所述的电磁开关，其特征在于，所述线圈铁芯(7)设置在所述U型内摆支架(9)的U型空间内。
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