WO2013139118A1 - 漏电断路器的漏电测试与漏电复位按钮为一体的装置 - Google Patents

漏电断路器的漏电测试与漏电复位按钮为一体的装置 Download PDF

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Publication number
WO2013139118A1
WO2013139118A1 PCT/CN2012/082244 CN2012082244W WO2013139118A1 WO 2013139118 A1 WO2013139118 A1 WO 2013139118A1 CN 2012082244 W CN2012082244 W CN 2012082244W WO 2013139118 A1 WO2013139118 A1 WO 2013139118A1
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Prior art keywords
test
leakage
reset button
leak
lock
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Application number
PCT/CN2012/082244
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English (en)
French (fr)
Inventor
何邦权
Original Assignee
浙江鼎威科技有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by 浙江鼎威科技有限公司 filed Critical 浙江鼎威科技有限公司
Priority to AU2012373817A priority Critical patent/AU2012373817B2/en
Publication of WO2013139118A1 publication Critical patent/WO2013139118A1/zh

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H83/00—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current
    • H01H83/02—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by earth fault currents
    • H01H83/04—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by earth fault currents with testing means for indicating the ability of the switch or relay to function properly
    • 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
    • H01H71/04—Means for indicating condition of the switching device
    • H01H2071/042—Means for indicating condition of the switching device with different indications for different conditions, e.g. contact position, overload, short circuit or earth leakage

Definitions

  • the invention relates to a leakage test and a leakage reset device for an earth leakage circuit breaker, in particular to a device for integrating a leakage test of a leakage circuit breaker with a double break point protection function and a leakage reset button.
  • test buttons and large leakage circuit breakers such as Schneider C65Vigi63A and Chint DZ471e products.
  • the test buttons and reset indicator buttons of these products are separated and separated, and the structure is complex and large. Used in smaller leakage products.
  • the technical problem to be solved by the present invention is to provide a device in which the leakage test of the earth leakage circuit breaker and the earth leakage reset button are integrated.
  • the present invention provides a device for leak detection of a leakage circuit breaker and a leakage reset button, the leakage circuit breaker including a frame, a test circuit for generating a leakage simulation, an operation handle, a test reset button, Test return spring, leakage lock, leakage lock spring, shaft, test conductive spring and brass tube.
  • the test reset button is higher than the upper part of the frame, and the upper layer is the T layer face for leakage test and leakage reset.
  • the lower layer is the R layer face, with the leakage state indication;
  • the test reset button is bent at the lower part, and protrudes into the engaging portion at the bottom, and the engaging portion is engaged with the leakage locking convex buckle portion;
  • the leakage simulation occurs
  • the test circuit has double breakpoint disconnect protection.
  • the R layer face and the frame are flat to indicate no leakage, which is normal working condition;
  • the test reset button's leakage test is to test the reset button to force the test conductive spring end to contact the brass tube.
  • the test reset button's leakage reset is through the test reset button and leakage. Lock linkage is achieved.
  • a spring slot is arranged in the middle of the test reset button, and a return spring is mounted in the spring slot.
  • the leakage lock has an edge convex buckle portion on the upper portion thereof, the side convex buckle portion is engaged with the test reset button buckle portion, and has a circular through hole in the middle portion, one shaft is inserted into the circular through hole to rotate, and the lower portion is used for hitting the lock Buckle rounded Ministry.
  • the tripping action causes the leakage lock to rotate clockwise, and the lower round protruding portion hits the leakage circuit breaker lock to separate the buckle from the jump buckle to protect the leakage opening; meanwhile, the upper side of the leakage lock
  • the convex buckle portion is separated from the buckle portion at the bottom of the test reset button, forcing the lower round protruding portion of the leakage lock to push the leakage circuit breaker lock to open the jump buckle of the leakage circuit breaker, and the switch is always disconnected and cannot be closed.
  • the switch can only work normally by pressing the test reset button to release the leakage lock.
  • the lower part of the handle has a circular arc protruding portion.
  • the handle protruding portion forces the test conductive spring to contact the brass tube.
  • the contact remains disconnected.
  • the test circuit in which the leakage simulation occurs has a double breakpoint disconnection protection function, and the test reset button pushes the test conductive spring to contact the brass tube in the leakage test circuit to form a breakpoint, and the other breakpoint is the handle projection to force the test.
  • the conductive spring is formed in contact with a brass tube in the power supply line of the electronic circuit board.
  • test reset button By testing the reset button to suspend the movement change, the different functions of the test reset button can be realized; when the test reset button is in the high position, it indicates that the leakage circuit breaker is in the leakage state; when the test reset button is in the middle position, it indicates that it is in the normal state; When the test reset button is moved down to a certain position, the analog current flows through the test circuit to achieve the operational reliability of detecting the leakage protection;
  • the invention combines the test button and the reset indication button into one body, has a simple structure and a small body shape, and can be used in a small-sized earth leakage circuit breaker, and protects the circuit board through the handle protruding point break point to avoid burning when the wiring is in and out. .
  • Figure 1 is a schematic view showing the internal structure of the disconnected state of the present invention
  • FIG. 2 is a schematic view showing the internal structure of the closing state of the present invention.
  • FIG. 3 is a schematic view showing the internal structure of the leakage indication of the present invention.
  • FIG. 4 is a schematic perspective view of a test reset button device of the present invention.
  • Figure 5 is a schematic view showing the three-dimensional structure of the test reset button of the present invention.
  • FIG. 6 is a schematic view showing the three-dimensional structure of the leakage lock of the present invention.
  • the symbols in the drawings indicate:
  • the invention provides a device for leak detection of a leakage circuit breaker and a leakage reset button.
  • the leakage circuit breaker comprises a frame body, a test circuit for occurrence of leakage simulation, an operation handle 3, a test reset button 1, and a test reset spring 2.
  • the test reset button 1 is higher than the upper part of the frame, and the upper layer is the T layer face 101, which is used for leakage test and Leakage reset operation; the lower layer is the R layer face 102, and has a leakage state indication; the test reset button 1 is bent at the lower portion and protrudes into the engaging portion 104 at the bottom, and the engaging portion 104 is engaged with the leakage lock cam portion 401 Linkage; the test circuit in which the leakage simulation occurs has a double breakpoint disconnection protection function.
  • the R layer face 102 is flat with the frame to indicate no leakage, and is in a normal working state; the leakage test of the test reset button 1 is that the test reset button 1 forces the end of the test conductive spring 9 to contact the brass tube A5, and the leakage reset of the test reset button 1 is It is realized by testing the reset button 1 and the leakage lock 4.
  • the test conductive spring 9 is constructed as a torsion spring, so that the test conductive spring 9 is in contact with the brass tube to form a certain pressure to ensure the test circuit is turned on.
  • the brass tube is placed over the cylinder, and the brass tube facilitates the welding of the wires to form a circuit for the test circuit (not shown).
  • the test reset button 1 is provided with a spring slot 103 in the middle thereof, and a spring is fitted in the spring slot 103
  • the leakage lock 4 has an edge convex locking portion 401 on the upper portion thereof, and the side convex locking portion 401 is engaged with the locking portion 104 of the test reset button 1 to have a circular through hole 402 in the middle, and a shaft 8 is inserted into the circular through hole 402.
  • the leakage lock 4 is rotatable about the shaft 8, and the lower portion has a circular projection 403 for striking the lock.
  • the tripping action causes the leakage lock 4 to rotate clockwise, and the lower round protruding portion 403 hits the leakage circuit breaker lock 11 to separate the buckle 11 from the jumper for leakage protection; meanwhile, leakage
  • the upper side convex locking portion 401 of the lock 4 is disengaged from the buckle portion 104 at the bottom of the test reset button 1, forcing the lower circular protruding portion 403 of the leakage lock 4 to directly push the leakage circuit breaker lock 11 to open the jump buckle of the leakage circuit breaker.
  • the switch is also kept open and cannot be closed. Only by pressing the test reset button 1 to release the leakage lock, the switch can work normally.
  • the lower part of the handle 3 has a circular arc protruding portion 301.
  • the handle protruding portion 301 forces the test conductive spring 9 to contact the brass tube A5.
  • the contact point remains. disconnect.
  • the test circuit in which the leakage simulation occurs has a double breakpoint disconnection protection function, and the test reset button 1 pushes the test conductive spring 9 into contact with the brass tube A5 in the leakage test circuit to form a breakpoint, and the other breakpoint is the handle projection.
  • the portion 301 forces the test conductive spring 9 to be in contact with the brass tube B7 in the electronic circuit board power supply line.
  • Simulated leakage test When the leakage breaker handle 3 is in the closed state, it is in the power-on state.
  • the test reset button 1 (equivalent to analog leakage) is pressed, the test reset button 1 moves downward, and the test reset button bottom presses the test conductive spring 9 Forcing the test conductive spring 9 to be in contact with the brass tube A5, and the simulated leakage current flows through the test circuit (the end of the line drawing).
  • the leakage release device 12 After the leakage signal is processed by the circuit board, a current is supplied to the leakage release device 12, and the leakage release device 12 action pushes the push rod 10 to act on the leakage lock 4, and the leakage lock 4 rotates around the shaft 8 Rotating, the convex portion 403 of the leakage lock 4 hits the buckle 11, so that the buckle 11 is separated from the jumper, and the dynamic and static contacts are disconnected, thereby achieving the protection function.
  • the leakage lock 4 When the leakage lock 4 is rotated around the shaft 8, the leakage lock is The edge locking portion 401 is separated from the test reset button engaging portion 104.
  • the test reset button 1 is moved upward by the test return spring 2, and the R layer surface 102 of the test reset button is raised above the frame, which is equivalent to a leakage state indication. Kinetic energy.
  • test reset button 1 When the test reset button 1 is in the leakage indication state, the closing handle 3 cannot be closed. Only after the leakage fault is removed, the test reset button 1 is pressed, and the test reset button engagement portion 104 and the leakage lock 4 are engaged with the convex buckle portion 401, and the R layer surface portion 102 of the test reset button is level with the frame. It is the leakage reset function of the test reset button.

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Abstract

一种漏电断路器的漏电测试与漏电复位按钮（1）为一体的装置。测试复位按钮高出框体的部分分上下两层，上层为T层面部（101），下层为R层面部（102），测试复位按钮下部弯曲，并在底部凸出成卡合部（104），该卡合部与漏电锁（4）边凸卡扣部（401）卡合联动；漏电模拟发生的测试电路具有双断点断开保护功能。本发明的优点是把试验按钮与复位指示按钮结合成一体，结构简单，体形小，可用于体积较小的漏电断路器中，并通过手柄凸出部断点保护线路板在进出接线出错可以避免烧毁。

Description

漏电断路器的漏电测试与漏电复位按钮为一体的装置
技术领域
本发明涉及一种漏电断路器的漏电测试和漏电复位装置，特别涉及一种具有 双断点保护功能的漏电断路器的漏电测试与漏电复位按钮为一体的装置。
背景技术
现有漏电断路器大部分只有测试按钮， 体积较大的漏电断路器， 如施耐德 C65Vigi63A、 正泰 DZ471e产品， 这些产品的测试按钮与复位指示按钮是独立分 开的， 并且结构复杂， 体形较大， 不能在体形较小漏电产品中运用。
发明内容
本发明所要解决的技术问题是要提供一种漏电断路器的漏电测试与漏电复 位按钮为一体的装置。
为了解决以上的技术问题，本发明提供了一种漏电断路器的漏电测试与漏电 复位按钮为一体的装置， 该漏电断路器包括框体、漏电模拟发生的测试电路、操 作手柄、 测试复位按钮、 测试复位弹簧、 漏电锁、 漏电锁弹簧、 轴、 测试导电弹 簧和黄铜管， 所述测试复位按钮高出框体的部分分上下两层， 上层为 T层面部， 用于漏电测试与漏电复位操作； 下层为 R层面部， 具有漏电状态指示； 测试复位 按钮下部弯曲，并在底部凸出成卡合部，该卡合部与漏电锁边凸卡扣部卡合联动； 所述漏电模拟发生的测试电路具有双断点断开保护功能。 R层面部与框体持平表 示无漏电， 为正常工作状态； 测试复位按钮的漏电测试是测试复位按钮迫使测试 导电弹簧一端与黄铜管接触，测试复位按钮的漏电复位是通过测试复位按钮与漏 电锁联动实现。
所述测试复位按钮中部设有弹簧槽， 弹簧槽中装配有复位弹簧。
所述漏电锁，其上部有边凸卡扣部， 该边凸卡扣部与测试复位按钮卡扣部卡 合联动， 中部有圆通孔， 一轴插入圆通孔中转动， 下部有用于击打锁扣的圆凸出 部。 当漏电时， 脱扣器动作使漏电锁顺时针转动， 下部圆凸出部就击打漏电断路 器锁扣， 使锁扣与跳扣分离， 进行漏电断开保护； 同时， 漏电锁的上部边凸卡扣 部与测试复位按钮底部的卡扣部脱离，迫使漏电锁下部圆凸出部一直推动漏电断 路器锁扣打开漏电断路器的跳扣， 也使开关一直处于断开而不能闭合状态， 只有 通过按动测试复位按钮解除漏电锁的作用， 开关才能正常工作。
所述手柄下部有圆弧凸出部，在漏电断路器合闸状态时， 手柄凸出部迫使测 试导电弹簧与黄铜管接触， 在漏电断路器断开状态时， 接点保持断开。
所述漏电模拟发生的测试电路具有双断点断开保护功能，测试复位按钮推动 测试导电弹簧与漏电测试电路中的黄铜管接触构成一个断点，另一个断点是手柄 凸出部迫使测试导电弹簧与电子线路板供电线路中的黄铜管接触构成。
本发明的优越功效在于：
1 ) 通过测试复位按钮搁置移动变化， 可实现测试复位按钮的不同功能； 当测试 复位按钮在高位时， 表示漏电断路器处于漏电状态； 当测试复位按钮在中间 位置时， 表示处于正常状态； 当测试复位按钮往下移动到一定位置时， 来实 现模拟电流流过测试电路达到检测漏电保护的动作可靠性；
2) 本发明把试验按钮与复位指示按钮结合成一体， 结构简单， 体形小， 可用于 体积较小的漏电断路器中， 并通过手柄凸出部断点保护线路板在进出接线出 错可以避免烧毁。
附图说明
图 1为本发明断开状态内部结构示意图；
图 2为本发明合闸状态内部结构示意图；
图 3为本发明漏电指示内部结构示意图；
图 4为本发明测试复位按钮装置立体结构示意图；
图 5为本发明测试复位按钮立体结构示意图；
图 6为本发明漏电锁立体结构示意图； 附图中标号说明：
1- 测试复位按钮；
101-T层面部； 102-R层面部;
103-弹簧槽； 104-卡合部；
2-测试复位弹簧；
3-操作手柄； 301-手柄凸出部;
4-漏电锁；
401-边凸卡扣部； 402-圆通孔；
403-圆凸部；
5-黄铜管 A; 6-漏电锁弹簧；
7-黄铜管 B; 8 -轴；
9-测试导电弹簧； 10-推杆；
11-锁扣； 12-漏电脱扣器。
具体实施方式
请参阅附图所示， 对本发明作进一步的描述。
本发明提供了一种漏电断路器的漏电测试与漏电复位按钮为一体的装置，该 漏电断路器包括框体、漏电模拟发生的测试电路、操作手柄 3、测试复位按钮 1、 测试复位弹簧 2、 漏电锁 4、 漏电锁弹簧 6、 轴 8、 测试导电弹簧 9和黄铜管， 所 述测试复位按钮 1高出框体的部分分上下两层， 上层为 T层面部 101， 用于漏电 测试与漏电复位操作； 下层为 R层面部 102， 具有漏电状态指示； 测试复位按钮 1下部弯曲，并在底部凸出成卡合部 104，该卡合部 104与漏电锁边凸卡扣部 401 卡合联动；所述漏电模拟发生的测试电路具有双断点断开保护功能。 R层面部 102 与框体持平表示无漏电， 为正常工作状态； 测试复位按钮 1的漏电测试是测试复 位按钮 1迫使测试导电弹簧 9一端与黄铜管 A5接触， 测试复位按钮 1的漏电复 位是通过测试复位按钮 1与漏电锁 4联动实现。 所述测试导电弹簧 9， 做成扭簧的结构， 使测试导电弹簧 9与黄铜管接触形 成一定的压力， 保证测试电路导通。 黄铜管套在圆柱上， 黄铜管方便焊接导线， 形成测试电路 （未画出） 一个回路。
所述测试复位按钮 1 中部设有弹簧槽 103， 弹簧槽 103 中装配有复位弹簧
104。
所述漏电锁 4， 其上部有边凸卡扣部 401， 该边凸卡扣部 401与测试复位按 钮 1卡扣部 104卡合联动， 中部有圆通孔 402， 一轴 8插入圆通孔 402中， 使漏 电锁 4能绕轴 8转动， 下部有用于击打锁扣的圆凸出部 403。 当漏电时， 脱扣器 动作使漏电锁 4顺时针转动， 下部圆凸出部 403就击打漏电断路器锁扣 11， 使 锁扣 11与跳扣分离，进行漏电断开保护； 同时，漏电锁 4的上部边凸卡扣部 401 与测试复位按钮 1底部的卡扣部 104脱离，迫使漏电锁 4下部圆凸出部 403—直 推动漏电断路器锁扣 11打开漏电断路器的跳扣， 也使开关一直处于断开而不能 闭合状态，只有通过按动测试复位按钮 1解除漏电锁的作用，开关才能正常工作。
所述手柄 3下部有圆弧凸出部 301， 在漏电断路器合闸状态时， 手柄凸出部 301迫使测试导电弹簧 9与黄铜管 A5接触， 在漏电断路器断开状态时， 接点保 持断开。
所述漏电模拟发生的测试电路具有双断点断开保护功能， 测试复位按钮 1 推动测试导电弹簧 9与漏电测试电路中的黄铜管 A5接触构成一个断点， 另一个 断点是手柄凸出部 301迫使测试导电弹簧 9与电子线路板供电线路中的黄铜管 B7接触构成。
模拟漏电试验： 当漏电断路器手柄 3处于闭合状态即处于通电状态， 当按下 测试复位按钮 1 (相当于模拟漏电）， 测试复位按钮 1 向下运动， 测试复位按钮 底端压迫测试导电弹簧 9， 迫使测试导电弹簧 9与黄铜管 A5接触导通， 模拟漏 电电流流过测试电路 （线路末画）， 漏电信号经线路板处理后， 有电流输给漏电 脱扣器 12， 漏电脱扣器 12动作推动推杆 10作用在漏电锁 4， 漏电锁 4就绕轴 8 转动， 漏电锁 4的圆凸部 403击打锁扣 11， 使锁扣 11与跳扣分离， 使动静触头 断开， 从而达到保护作用， 漏电锁 4在绕轴 8转动时， 漏电锁的边凸卡扣部 401 与测试复位按钮卡合部 104分离，测试复位按钮 1在测试复位弹簧 2作用下， 向 上运动，测试复位按钮的 R层面部 102高出框体，相当于有漏电状态指示的动能。 当测试复位按钮 1处在漏电指示状态时，合上手柄 3是不能闭合的。只有在漏电 故障解除后， 按下测试复位按钮 1， 使测试复位按钮卡合部 104与漏电锁 4边凸 卡扣部 401卡合后，测试复位按钮的 R层面部 102与框体持平， 这就是测试复位 按钮的漏电复位功能。

Claims

权 利 要 求 书
1、 一种漏电断路器的漏电测试与漏电复位按钮为一体的装置， 其特征在于： 该 漏电断路器包括框体、 漏电模拟发生的测试电路、 操作手柄、 测试复位按钮、 测 试复位弹簧、 漏电锁、 漏电锁弹簧、 轴、 测试导电弹簧和黄铜管， 其特征在于： 所述测试复位按钮高出框体的部分分上下两层， 上层为 T层面部， 下层为 R层面 部， 测试复位按钮下部弯曲， 并在底部凸出成卡合部， 该卡合部与漏电锁边凸卡 扣部卡合联动； 所述漏电模拟发生的测试电路具有双断点断开保护功能。
2、根据权利要求 1所述的漏电断路器的漏电测试与漏电复位按钮为一体的装置， 其特征在于： 所述测试复位按钮中部设有弹簧槽， 弹簧槽中装配有复位弹簧。
3、根据权利要求 1所述的漏电断路器的漏电测试与漏电复位按钮为一体的装置， 其特征在于： 所述漏电锁， 其上部有边凸卡扣部， 该边凸卡扣部与测试复位按钮 卡扣部卡合联动， 中部有圆通孔， 一轴插入圆通孔中转动， 下部有用于击打锁扣 的圆凸出部。
4、根据权利要求 1所述的漏电断路器的漏电测试与漏电复位按钮为一体的装置， 其特征在于： 所述手柄下部有圆弧凸出部， 在漏电断路器合闸状态时， 手柄凸出 部迫使测试导电弹簧与黄铜管接触， 在漏电断路器断开状态时， 接点保持断开。
5、根据权利要求 1所述的漏电断路器的漏电测试与漏电复位按钮为一体的装置， 其特征在于： 所述漏电模拟发生的测试电路具有双断点断开保护功能， 测试复位 按钮推动测试导电弹簧与漏电测试电路中的黄铜管接触构成一个断点，另一个断 点是手柄凸出部位迫使测试导电弹簧与电子线路板供电线路中的黄铜管接触构 成。
PCT/CN2012/082244 2012-03-22 2012-09-28 漏电断路器的漏电测试与漏电复位按钮为一体的装置 WO2013139118A1 (zh)

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