CN101840796B - 断路器闭合/断开执行机构 - Google Patents

断路器闭合/断开执行机构 Download PDF

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CN101840796B
CN101840796B CN201010108869XA CN201010108869A CN101840796B CN 101840796 B CN101840796 B CN 101840796B CN 201010108869X A CN201010108869X A CN 201010108869XA CN 201010108869 A CN201010108869 A CN 201010108869A CN 101840796 B CN101840796 B CN 101840796B
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expander
circuit breaker
heater
force transfer
dilatant
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CN101840796A (zh
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冯运福
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Priority to PCT/CN2010/078848 priority patent/WO2011097907A1/zh
Priority to JP2012552234A priority patent/JP5582664B2/ja
Priority to EP10845577.5A priority patent/EP2535909B1/en
Priority to US13/578,243 priority patent/US8963678B2/en
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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
    • H01H71/14—Electrothermal mechanisms
    • 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
    • H01H71/14—Electrothermal mechanisms
    • H01H2071/147—Thermal release by expansion of a fluid
    • 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
    • H01H71/66—Power reset mechanisms
    • H01H2071/665—Power reset mechanisms the reset mechanism operating directly on the normal manual operator, e.g. electromagnet pushes manual release lever back into "ON" position

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  • Thermally Actuated Switches (AREA)
  • Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
  • Breakers (AREA)

Abstract

本发明涉及电器开关，具体地说是一种能够自动控制断路器接通断开的执行机构，所述驱动装置包括膨胀体、加热器，所述膨胀体配合连接力传递机构，所述加热器通电时，膨胀体内的膨胀物质受热膨胀推动力传递机构，力传递机构带动断路器开关机构，实现断路器断开或闭合；本发明的有益效果：本发明利用物质的相变体积膨胀下由温度变化产生的膨胀力及位移推动断路器自身开关机械机构的闭合或断开，实现电器开关的远程控制。此发明的结构简单、控制能量小、动作可靠、可实现结构小型化且成本低，该结构可以被应用于微型断路器(MCB)，塑壳断路器(MCCB)等类似电器开关的自动开、闭手柄或机构的场合，结合控制回路，容易实现电器开关的远程控制。

Description

断路器闭合/断开执行机构
[技术领域]
本发明涉及电器开关技术领域，具体地说是一种能够自动控制断路器接通断开的执行机构。
[背景技术]
目前接通或断开电路，一般是使用断路器，其自动合闸及断开的执行机构，往往是采用电机或电磁铁等动力驱动，甚至是采用结构复杂的电机、减速器、连杆一起动作，从而产生断路器闭合及断开所需要的功率。这种执行机构不但结构复杂、体积大、动作时能量消耗高，而且相应的控制部分成本也很高，同时由于结构过于复杂，其可靠性也就相应地降低了。
[发明内容]
本发明的目的就是要解决上述现有技术方式的不足而提供一种断路器闭合/断开执行机构，使其成为可靠性高、能耗低、控制容易且成本低、结构简单的装置，以便于普遍应用。
为实现上述目的设计一种断路器闭合/断开执行机构，包括驱动装置、力传递机构，所述力传递机构配合连接断路器开关机构，其特征在于：所述驱动装置包括膨胀体、加热器，所述膨胀体配合连接力传递机构，所述加热器通电时，膨胀体内的膨胀物质受热膨胀产生体积-位移变化推动力传递机构，力传递机构带动断路器开关机构，实现断路器断开或闭合。
所述膨胀体内的膨胀物质体积变化由物质本身的固相-液相或液相-气相之相变时所产生
所述膨胀体包括金属外壳、安装在金属外壳内的膨胀物质、体积膨胀-位移膨胀转换器。
所述膨胀物质为石蜡等有机或无机物质。
所述加热器采用PTC(正温度系数热敏电阻)或电热器件。
所述力传递机构包括顶杆、弹簧及软线。
本发明的工作原理是：当导线通电时，加热器发热使膨胀体内的膨胀物质受热膨胀，从而推动力传递机构，力传递机构将位移和力传递给断路器开关机构或手柄，将断路器断开或闭合。
本发明的有益效果：本发明利用物质的相变体积膨胀下由温度变化产生的膨胀力及位移推动断路器自身开关机械机构(或手柄)的闭合或断开，实现电器开关的远程控制，其中膨胀的控制由电加热方式实现。此发明的结构简单、控制能量小、动作可靠、可实现结构小型化且成本低，该结构可以被应用于微型断路器(MCB)，塑壳断路器(MCCB)等类似电器开关的自动开、闭手柄或机构的场合，结合控制回路，容易实现电器开关的远程控制。
[附图说明]
图1为本发明的结构示意图；
图2为本发明的另一实施例的结构示意图；
参见图1-2，1为力传递机构，2为膨胀体，3为加热器，4为导线，5为断路器开关机构。
[具体实施方式]
下面结合附图和具体实施方式对本发明作详细描述：
根据图1所示，本发明的断路器闭合/断开执行机构是安装在断路器的外面，其主要由力传递机构1、膨胀体2、加热器3、导线4和断路器开关机构(开关手柄)5组成，所述力传递机构配合连接断路器开关机构，所述力传递机构包括顶杆、弹簧及软线，所述膨胀体配合连接力传递机构，所述膨胀体包括金属外壳、安装在金属外壳的膨胀物质、体积膨胀-位移膨胀转换器，所述膨胀体是利用物质的固相-液相或液相-气相相变所产生的体积变化(也即膨胀)以及液体物质、金属或非金属的热膨胀，采用加热方式(可以是PTC正温度系数热敏电阻或其他电加热方式)使物质产生相变，产生闭合或断开电器开关所需要的功率(力+位移或扭矩+转角)。
如图2所示，本发明的断路器闭合/断开执行机构的结构和图1完全相同，其区别仅是所述的执行机构安装在断路器的内部。

Claims (3)

1.一种断路器闭合/断开执行机构，包括驱动装置、力传递机构，所述力传递机构配合连接断路器开关机构，其特征在于：所述驱动装置包括膨胀体、加热器，所述膨胀体配合连接力传递机构，所述加热器通电时，膨胀体内的膨胀物质受热膨胀产生体积-位移变化推动力传递机构，力传递机构带动断路器开关机构，实现断路器断开或闭合，所述膨胀体内的膨胀物质体积变化由物质本身的固相-液相或液相-气相之相变时所产生，所述膨胀体包括金属外壳、安装在金属外壳内的膨胀物质、体积膨胀-位移膨胀转换器，所述膨胀物质为石蜡；所述力传递机构包括顶杆、弹簧及软线。
2.按权利要求1所述的断路器闭合/断开执行机构，其特征在于：所述加热器采用PTC(正温度系数热敏电阻)。
3.按权利要求1所述的断路器闭合/断开执行机构，其特征在于：所述加热器采用电热器件。
CN201010108869XA 2010-02-11 2010-02-11 断路器闭合/断开执行机构 Expired - Fee Related CN101840796B (zh)

Priority Applications (5)

Application Number Priority Date Filing Date Title
CN201010108869XA CN101840796B (zh) 2010-02-11 2010-02-11 断路器闭合/断开执行机构
PCT/CN2010/078848 WO2011097907A1 (zh) 2010-02-11 2010-11-18 断路器闭合/断开执行机构及其驱动装置
JP2012552234A JP5582664B2 (ja) 2010-02-11 2010-11-18 遮断器開閉動作機構
EP10845577.5A EP2535909B1 (en) 2010-02-11 2010-11-18 Circuit breaker closing/opening actuating mechanism and driving device thereof
US13/578,243 US8963678B2 (en) 2010-02-11 2010-11-18 Circuit breaker closing/opening actuating mechanism and driving device thereof

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CN201010108869XA CN101840796B (zh) 2010-02-11 2010-02-11 断路器闭合/断开执行机构

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WO (1) WO2011097907A1 (zh)

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* Cited by examiner, † Cited by third party
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CN101840796B (zh) * 2010-02-11 2012-12-19 冯运福 断路器闭合/断开执行机构
CN102884602B (zh) * 2010-03-30 2015-09-02 北京Abb低压电器有限公司 一种合闸机构及使用该合闸机构的断路器
CN202058606U (zh) * 2010-12-29 2011-11-30 北京Abb低压电器有限公司 动力推动装置及包括该动力推动装置的开关
EP2620970A1 (de) * 2012-01-26 2013-07-31 Eaton Industries GmbH Fernantrieb mit Dehnelement
KR101433796B1 (ko) * 2014-01-16 2014-08-25 (주)메티스 자동 제어 패드락 장치
CN106796856B (zh) * 2014-10-03 2020-03-06 管理科学有限公司 防止电气导管中电弧故障的方法、系统和装置
CN104681368B (zh) * 2015-03-17 2017-03-01 上海电科电器科技有限公司 断路器及其自动合闸装置
GB2543812B (en) * 2015-10-30 2020-01-01 Long Men Tech Co Ltd High and ultra-high voltage circuit breaking system
GB2576898B (en) * 2018-09-05 2021-01-06 Strix Ltd Control arrangements for liquid heating appliances
CN110931320B (zh) * 2019-11-15 2021-11-16 芜湖伊莱特电气有限公司 一种断路器分合闸装置
CN110854822A (zh) * 2019-11-29 2020-02-28 广东欧文特电气有限公司 一种智能低压塑壳断路器

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Publication number Publication date
US8963678B2 (en) 2015-02-24
CN101840796A (zh) 2010-09-22
JP2013519212A (ja) 2013-05-23
EP2535909B1 (en) 2018-12-12
EP2535909A1 (en) 2012-12-19
JP5582664B2 (ja) 2014-09-03
EP2535909A4 (en) 2014-11-05
US20120306610A1 (en) 2012-12-06
WO2011097907A1 (zh) 2011-08-18

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