WO2017080319A1 - 万能式断路器 - Google Patents

万能式断路器 Download PDF

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Publication number
WO2017080319A1
WO2017080319A1 PCT/CN2016/099789 CN2016099789W WO2017080319A1 WO 2017080319 A1 WO2017080319 A1 WO 2017080319A1 CN 2016099789 W CN2016099789 W CN 2016099789W WO 2017080319 A1 WO2017080319 A1 WO 2017080319A1
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WO
WIPO (PCT)
Prior art keywords
base
circuit breaker
controller
plate
insert
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PCT/CN2016/099789
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English (en)
French (fr)
Inventor
雷鸿健
代朝旭
王文涛
张应波
王克明
陈鑫浩
Original Assignee
浙江正泰电器股份有限公司
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Application filed by 浙江正泰电器股份有限公司 filed Critical 浙江正泰电器股份有限公司
Priority to EP16863496.2A priority Critical patent/EP3376520B1/en
Priority to RU2018120774A priority patent/RU2733885C2/ru
Publication of WO2017080319A1 publication Critical patent/WO2017080319A1/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
    • H01H71/02—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
    • 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
    • H01H71/0264—Mountings or coverplates for complete assembled circuit breakers, e.g. snap mounting in panel
    • H01H71/0271—Mounting several complete assembled circuit breakers together
    • 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
    • H01H2071/006—Provisions for user interfaces for electrical protection devices
    • 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
    • H01H71/0264—Mountings or coverplates for complete assembled circuit breakers, e.g. snap mounting in panel

Definitions

  • the utility model relates to the field of low-voltage electric appliances, in particular to a universal circuit breaker.
  • the universal circuit breaker body support usually consists of a base and a bottom plate, and the operating mechanism and the controller are disposed on one side of the base.
  • the existing universal circuit breaker is provided with a controller wire slot on the side of the base for placing the lead wire of the controller, and then a crimping plate is attached above it for protection.
  • the crimping plate is usually pressed from DMC material with a threaded insert in the middle and threaded through holes at both ends.
  • the existing crimping plate has a large thickness and requires three screws for fixing, which is not only costly but also assembled. bring inconvenience.
  • the existing universal circuit breaker current transformer is placed between the base and the bottom plate, and the current transformer obtains the main circuit current information from the main circuit bus, and transmits it to the controller, and the controller determines whether the main circuit is normally energized.
  • the assembly sequence of the current transformer mounting structure is as follows: 1. Install the main circuit busbar on the main body base; 2. Install the current transformer on the main circuit busbar; 3. Cover the main body bottom plate. Such a structure replacement current transformer needs to be removed after the bottom plate is disassembled, the assembly is complicated, and it is not conducive to product maintenance, so it is necessary to improve.
  • the purpose of the utility model is to overcome the defects of the prior art and to provide a universal circuit breaker which is simple and compact in structure, easy to disassemble and low in cost.
  • a universal circuit breaker includes a circuit breaker body, the circuit breaker body includes a body base and an operating mechanism 1 disposed on a side of the base of the body, the body base including a base frame 2 and a base that are engaged with each other
  • the base plate 3 is disposed on the outer side of the base frame 2 and further includes a current transformer 5.
  • the current transformer 5 is disposed outside the base plate 3.
  • a main circuit bus bar 7 and a static bus bar are arranged in the body base, and one end of the main circuit bus bar 7 and the static bus bar protrudes outside the base plate 3, and the main circuit bus bar 7 is mounted on the inner side of the base frame 2
  • the inner side of the base plate 3 is provided with mutually spaced static bus mounting cavities 32 for mounting the static bus bars.
  • the outer side of the base plate 3 is provided with a transformer mounting cavity 31 for mounting the current transformer 5.
  • static busbar mounting cavity 32 and the transformer mounting cavity 31 are disposed oppositely along the vertical delamination of the base chassis 3.
  • a cover plate 6 is provided, and the cover plate 6 is disposed above the transformer mounting cavity 31 to fix the current transformer 5.
  • the two ends of the transformer mounting cavity 31 are provided with a fixing post 312 fixed to the cover plate 6.
  • the first mounting hole 313 is defined in the middle of the fixing post 312.
  • the bottom of the static busbar mounting cavity 32 is provided with a static busbar mounting hole 321 through which the static busbar passes.
  • the bottom of the transformer mounting cavity 31 is provided with a main circuit busbar mounting hole 311, which is fixed on the base frame 2.
  • the body base is internally provided with a phase spacer 11 for separating the pole conductive systems.
  • the controller further includes a controller disposed on a side of the base frame 2 on which the operating mechanism 1 is disposed, and a side of the base frame 2 is provided with a controller cable slot 21 corresponding to the controller, and the controller line
  • the slot 21 is disposed at an end of the base frame 2 near the bottom.
  • the inside of the controller slot 21 is provided with an insert 21a.
  • the controller cable slot 21 is provided with a crimping plate 4, and the controller is controlled together with the crimping plate 4.
  • the insert 21a inside the wire groove 21 is fixed, and the crimping plate is fixed by the connection of the controller and the insert 21a.
  • the insert 21a is a cylindrical insert; the middle of the insert 21a is provided with an insert fixing hole 211a, and the crimping plate 4 is provided with a first fixing hole 401 corresponding to the insert fixing hole 211a.
  • the crimping plate 4 is an epoxy glass plate.
  • the utility model has the universal circuit breaker, wherein the current transformer is arranged on the outer side of the base plate, the assembly is convenient, the production cost is reduced, and the disassembly and maintenance is convenient and quick.
  • the static busbar mounting cavity and the transformer mounting cavity are arranged in the opposite direction along the vertical layering of the base plate, and the internal space of the base plate is rationally utilized.
  • FIG. 1 is a schematic view showing the overall structure of a circuit breaker body of the present invention
  • FIG. 2 is a schematic structural view of a base frame capping crimping plate of the present invention
  • FIG. 3 is a schematic structural view of a base frame uncovered crimping plate of the present invention.
  • FIG. 4 is a schematic view showing the internal structure of a controller wire slot of the present invention.
  • Figure 5 is a schematic structural view of the crimping plate of the present invention.
  • Figure 6 is a front structural view of the base plate of the utility model
  • Figure 7 is a schematic view showing the structure of the reverse side of the base plate of the present invention.
  • Figure 8 is a schematic view showing the assembly structure of the current transformer of the present invention.
  • the specific embodiment of the universal circuit breaker of the present invention will be further described below with reference to the embodiments given in FIGS. 1 to 8.
  • the universal circuit breaker of the present invention is not limited to the description of the following embodiments.
  • the universal circuit breaker of the present invention (shown as a four-pole circuit breaker) includes a circuit breaker body.
  • the circuit breaker body includes a body base and an operating mechanism 1 and a controller disposed on a side of the base of the body.
  • the body base includes a base frame 2 and a base plate 3, and the operating mechanism 1 and the controller are disposed on one side of the base frame 2.
  • a phase spacer 11 for separating the pole conductive systems is disposed inside the body base to prevent phase-to-phase short circuit between the pole conductive systems.
  • the utility model has a universal circuit breaker (three-pole circuit breaker is shown in the figure), and one side of the base frame 2 is provided with a controller cable slot 21 on one side of the controller, the controller
  • the inside of the wire groove 21 is provided with an insert 21a
  • the controller wire groove 21 is provided with a crimping plate 4, and the controller is fixed together with the crimping plate 4 with the insert 21a of the inner portion of the controller wire groove 21, and the crimping plate passes The connection of the controller to the insert 21a is fixed.
  • the universal circuit breaker of the utility model is provided with a crimping plate for shielding and protection above the controller slot, and a separate insert is arranged inside the controller slot, and the crimping plate is fixed by the connection between the controller and the insert 21a.
  • a separate insert fixing structure on the crimping plate the thickness of the crimping plate can be thinned, and the internal space of the controller wire slot becomes large.
  • the controller slot 21 is disposed at one end of the base frame 2 near the bottom, and the insert 21a is disposed at the end of the controller slot 21 near the bottom of the base frame 2.
  • a wire hole 41 from which the controller wire extends is left on one side of the crimping plate 4 above the controller wire slot 21.
  • the outlet hole 41 is used for controller wire lead-out.
  • the insert 21a is a cylindrical insert, and the middle portion of the insert 21a is provided with an insert fixing hole 211a, and the crimping plate 4 is provided with a first corresponding to the insert fixing hole 211a.
  • the crimping plate 4 is a sheet of epoxy glass.
  • one end of the controller slot 21 is provided with an inlet hole 211 for wiring, and the other end is provided with a second step, the second step includes a first step surface 212 located at the upper layer and located at The second stepped surface 213 of the lower layer is disposed on the first stepped surface 212, and one end of the second stepped surface 213 is provided with a threaded hole 214.
  • the universal circuit breaker of the present invention further includes a current transformer 5 (four-pole circuit breaker is shown), and the current transformer 5 is disposed outside the base plate 3 of the base.
  • the utility model has the universal circuit breaker, wherein the current transformer is arranged on the outer side of the base plate 3, the assembly is convenient, the production cost is reduced, and the disassembly and maintenance is convenient and quick.
  • the main circuit bus bar 7 and the static bus bar are arranged in the main body base, and one end of the main circuit bus bar 7 and the static bus bar protrudes outside the base plate 3, and the main circuit bus bar 7 is mounted on the base.
  • the inner upper layer of the base plate 3 is provided with mutually spaced static bus mounting cavities 32 for mounting the static bus bars
  • the outer lower layer of the base plate 3 is provided with a transformer mounting cavity 31 for mounting the current transformer 5.
  • the static bus and the current transformer 5 are mounted on both sides of the base plate 3, respectively.
  • the static busbar mounting cavity 32 and the transformer mounting cavity 31 are disposed oppositely along the vertical delamination of the base chassis 3.
  • the static busbar mounting cavity 32 and the transformer mounting cavity 31 are disposed in opposite directions along the vertical layering of the base plate 3, and the internal space of the base plate 3 is rationally utilized.
  • a cover plate 6 is further included, and the cover plate 6 is disposed above the transformer mounting cavity 31 to fix the current transformer 5.
  • a separate cover plate 6 is provided, which is fixed to the current transformer 5 for shielding and protection.
  • the two ends of the transformer mounting cavity 31 are provided with a fixing post 312 fixed to the cover plate 6 , and a first mounting hole 313 is defined in a central portion of the fixing post 312 .
  • a fixing post 312 is disposed at both ends of the transformer mounting cavity 31, and a screw connection may be adopted between the cap plate 6 and the base plate 3.
  • the bottom of the static busbar mounting cavity 32 is provided with a static busbar mounting hole 321 through which the static busbar passes, and the bottom of the transformer mounting cavity 31 is provided with a main circuit busbar mounting hole 311, which is fixed to
  • the current transformer 5 is placed on the main circuit bus bar.
  • the current transformer 5 is connected to the controller.
  • the static busbar mounting hole 321 and the main circuit busbar mounting hole 311 are respectively set, the static busbar and the main circuit busbar 7 are fixed, and the structure is stable.
  • the current transformer 5 is set on the main circuit busbar 7 and connected with the controller, and the detected will be detected. Current information is transmitted to the controller.
  • the static bus bar and the main circuit bus bar 7 are respectively fixed in the body base, the base plate 3 is assembled on the base frame 2, and the current transformer 5 is assembled on the transformer mounting cavity 31 outside the base plate 3. Then, the cover 6 is covered with the cover 6 to cover the transformer mounting cavity 31.
  • the assembly process is simple. When replacing the current transformer, only the cover 6 needs to be removed to be replaced and repaired.

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Abstract

一种万能式断路器，包括断路器本体，断路器本体包括本体基座和设置于本体基座一侧的操作机构（1），本体基座包括相互扣合的基座架（2）和基座底板（3），操作机构设于基座架的外侧，还包括电流互感器（5），电流互感器设于基座底板的外侧。该万能式断路器将电流互感器设于基座底板的外侧，装配方便，降低生产成本，同时拆卸维修方便快捷。静母线安装腔和互感器安装腔沿基座底板垂直分层朝向相反设置，合理利用基座底板的内部空间。

Description

万能式断路器 技术领域
本实用新型涉及低压电器领域，特别涉及一种万能式断路器。
背景技术
万能式断路器本体支撑件通常由基座和底板组成，操作机构和控制器设于基座的一侧。
现有万能式断路器在基座一侧设置控制器线槽用于放置控制器的引线，然后在其上方加盖压线板起到保护作用。压线板通常由DMC材料压制而成，中间有一个螺纹嵌件，两端有螺纹通孔，现用压线板厚度较大，并需要三个螺钉进行固定，不仅成本较高，而且给装配带来不便。
现有万能式断路器电流互感器置于基座和底板之间，电流互感器从主回路母线上获取主回路电流信息，传输至控制器，由控制器判断主回路是否正常通电。这种电流互感器安装结构的装配顺序为：1.在本体基座上安装主回路母线；2.在主回路母线上安装电流互感器；3.盖上本体底板。这种结构更换电流互感器需要将底板拆卸之后才能更换，装配复杂，也不利于产品维护，因此有必要加以改进。
发明内容
本实用新型的目的在于克服现有技术的缺陷，提供一种结构简单紧凑，便于拆卸，成本低的万能式断路器。
为实现上述目的，本实用新型采用了如下技术方案：
一种万能式断路器，包括断路器本体，所述断路器本体包括本体基座和设置于本体基座一侧的操作机构1，所述本体基座包括相互扣合的基座架2和基座底板3，所述操作机构1设于基座架2的外侧，还包括电流互感器5，所述电流互感器5设于基座底板3的外侧。
进一步，所述本体基座内分排设有主回路母线7和静母线，主回路母线7和静母线的一端伸出基座底板3的外侧，主回路母线7安装于基座架2的内侧，基座底板3的内侧设有用于安装静母线的相互间隔的静母线安装腔32，基座底板3的外侧设有用于安装电流互感器5的互感器安装腔31。
进一步，所述静母线安装腔32和互感器安装腔31沿基座底板3垂直分层朝向相反设置。
进一步，还包括盖板6，盖板6设于互感器安装腔31上方对电流互感器5进行固定。
进一步，所述互感器安装腔31的两端设有与盖板6进行固定的固定柱312，固定柱312的中部设有第一安装孔313。
进一步，所述静母线安装腔32的底部设有静母线穿过的静母线安装孔321，所述互感器安装腔31的底部设有主回路母线安装孔311，固定于基座架2上的主回路母线7从基座底板3的内侧的主回路母线安装孔311伸出至基座底板3的外侧的互感器安装腔31后，电流互感器5套装在主回路母线7上，电流互感器5与控制器连接。
进一步，所述本体基座内部设有用于分隔各极导电系统的相间隔板11。
进一步，还包括控制器，所述控制器设于基座架2设置操作机构1的一侧，基座架2的一侧设有与控制器相应的控制器线槽21，所述控制器线槽21设于基座架2靠近底部一端，所述控制器线槽21的内部设有嵌件21a，控制器线槽21上设有压线板4，控制器与压线板4一起与控制器线槽21的内部的嵌件21a固定，压线板通过控制器与嵌件21a的连接固定。
进一步，所述嵌件21a为一圆柱状嵌件；嵌件21a的中部设有嵌件固定孔211a，压线板4上设有与嵌件固定孔211a相应的第一固定孔401。
进一步，所述压线板4为一块环氧玻璃平板。
本实用新型万能式断路器，将电流互感器设于基座底板的外侧，装配方便，降低生产成本，同时拆卸维修方便快捷。静母线安装腔和互感器安装腔沿基座底板垂直分层朝向相反设置，合理利用基座底板的内部空间。
附图说明
图1是本实用新型断路器本体的整体结构示意图；
图2是本实用新型基座架加盖压线板的结构示意图；
图3是本实用新型基座架未盖压线板的结构示意图；
图4是本实用新型控制器线槽内部结构示意图；
图5是本实用新型压线板的结构示意图；
图6是本实用新型基座底板的正面结构示意图；
图7是本实用新型基座底板的反面结构示意图；
图8是本实用新型电流互感器装配结构示意图。
具体实施方式
以下结合附图1至8给出的实施例，进一步说明本实用新型万能式断路器的具体实施方式。本实用新型万能式断路器不限于以下实施例的描述。
如图1所示，本实用新型万能式断路器(图中所示为四极断路器)，包括断路器本体。所述断路器本体包括本体基座和设置于本体基座一侧的操作机构1和控制器。所述本体基座包括基座架2和基座底板3，操作机构1和控制器设于基座架2的一侧。本体基座内部设有用于分隔各极导电系统的相间隔板11，防止各极导电系统间发生相间短路。
如图2-5所示，本实用新型万能式断路器(图中所示为三极断路器)，基座架2设置控制器的一侧还设有控制器线槽21，所述控制器线槽21的内部设有嵌件21a，控制器线槽21上设有压线板4，控制器与压线板4一起与控制器线槽21的内部的嵌件21a固定，压线板通过控制器与嵌件21a的连接固定。本实用新型万能式断路器，在控制器线槽上方设置压线板进行遮蔽和保护，通过在控制器线槽内部设置单独的嵌件，压线板通过控制器与嵌件21a的连接固定，无需再在压线板上设置单独的嵌件固定结构，压线板的厚度也可以变薄，控制器线槽的内部空间变大。
如图2、3所示，控制器线槽21设于基座架2靠近底部一端，所述嵌件21a设于控制器线槽21靠近基座架2底部一端。控制器线槽21上方压线板4的一侧留有控制器导线伸出的出线孔41。出线孔41用于控制器导线引出。
如图3、4、5所示，嵌件21a为一圆柱状嵌件，嵌件21a的中部设有嵌件固定孔211a，压线板4上设有与嵌件固定孔211a相应的第一固定孔401。压线板4为一块环氧玻璃薄板。控制器与嵌件21a连接时螺钉穿过第一固定孔401和嵌件固定孔211a连接，在满足原来功能要求的情况下，降低生产成本，减小装配的工作量，使线槽内部空间变大。所述嵌件21a与基座架2一体成型，嵌件21a也可以为基座架2成型前预埋入基座架2上的金属嵌件，如铜嵌件。
具体地，如图4所示，控制器线槽21的一端设有用于接线的进线孔211，另一端设有二阶台阶，所述二阶台阶包括位于上层的第一台阶面212和位于下层的第二台阶面213，所述嵌件21a设于第一台阶面212上，所述第二台阶面213的一端设有螺纹孔214。
如图6-8所示，本实用新型万能式断路器还包括电流互感器5(图中所示为四极断路器)，所述电流互感器5设于基座底板3的外侧。本实用新型万能式断路器，将电流互感器设于基座底板3的外侧，装配方便，降低生产成本，同时拆卸维修方便快捷。
如图6、7所示，本体基座内分排设有主回路母线7和静母线，主回路母线7和静母线的一端伸出基座底板3的外侧，主回路母线7安装于基座架2的内侧，基座底板3的内侧上层设有用于安装静母线的相互间隔的静母线安装腔32，基座底板3的外侧下层设有用于安装电流互感器5的互感器安装腔31。静母线和电流互感器5分别安装于基座底板3的两侧。所述静母线安装腔32和互感器安装腔31沿基座底板3垂直分层朝向相反设置。静母线安装腔32和互感器安装腔31沿基座底板3垂直分层朝向相反设置，合理利用基座底板3的内部空间。
如图8所示，还包括盖板6，盖板6设于互感器安装腔31上方对电流互感器5进行固定。设置单独的盖板6，盖板6对电流互感器5固定，起到遮蔽和保护作用。如图7所示，所述互感器安装腔31的两端设有与盖板6进行固定的固定柱312，固定柱312的中部设有第一安装孔313。互感器安装腔31的两端设置固定柱312，盖板6和基座底板3之间可以采用螺钉连接。
如图6、7所示，所述静母线安装腔32的底部设有静母线穿过的静母线安装孔321，所述互感器安装腔31的底部设有主回路母线安装孔311，固定于基座架2上的主回路母线7从基座底板3的内侧的主回路母线安装孔311伸出至基座底板3的外侧的互感器安装腔31后，电流互感器5套装在主回路母线7上，电流互感器5与控制器连接。分别设置静母线安装孔321和主回路母线安装孔311，对静母线和主回路母线7进行固定，结构稳固，电流互感器5套装在主回路母线7上，与控制器连接，将检测到的电流信息传输至控制器。
安装时，先分别将静母线和主回路母线7固定于本体基座内，在基座架2上装配基座底板3，在基座底板3的外侧的互感器安装腔31装配电流互感器5，接着拿盖板6盖住互感器安装腔31。装配过程简洁，更换电流互感器时，只需要拆下盖板6即可进行更换以及维修。
以上内容是结合具体的优选实施方式对本实用新型所作的进一步详细说明，不能认定本实用新型的具体实施只局限于这些说明。对于本实用新型所属技术领域的普通技术人员来说，在不脱离本实用新型构思的前提下，还可以做出若干简单推演或替换，都应当视为属于本实用新型的保护范围。

Claims (10)

  1. 一种万能式断路器，包括断路器本体，所述断路器本体包括本体基座和设置于本体基座一侧的操作机构(1)，其特征在于：所述本体基座包括相互扣合的基座架(2)和基座底板(3)，所述操作机构(1)设于基座架(2)的外侧，还包括电流互感器(5)，所述电流互感器(5)设于基座底板(3)的外侧。
  2. 根据权利要求1所述的万能式断路器，其特征在于：所述本体基座内分排设有主回路母线(7)和静母线，主回路母线(7)和静母线的一端伸出基座底板(3)的外侧，主回路母线(7)安装于基座架(2)的内侧，基座底板(3)的内侧设有用于安装静母线的相互间隔的静母线安装腔(32)，基座底板(3)的外侧设有用于安装电流互感器(5)的互感器安装腔(31)。
  3. 根据权利要求2所述的万能式断路器，其特征在于：所述静母线安装腔(32)和互感器安装腔(31)沿基座底板(3)垂直分层朝向相反设置。
  4. 根据权利要求2或3所述的万能式断路器，其特征在于：还包括盖板(6)，盖板(6)设于互感器安装腔(31)上方对电流互感器(5)进行固定。
  5. 根据权利要求4所述的万能式断路器，其特征在于：所述互感器安装腔(31)的两端设有与盖板(6)进行固定的固定柱(312)，固定柱(312)的中部设有第一安装孔(313)。
  6. 根据权利要求2所述的万能式断路器，其特征在于：所述静母线安装腔(32)的底部设有静母线穿过的静母线安装孔(321)，所述互感器安装腔(31)的底部设有主回路母线安装孔(311)，固定于基座架(2)上的主回路母线(7)从基座底板(3)的内侧的主回路母线安装孔(311)伸出至基座底板(3)的外侧的互感器安装腔(31)后，电流互感器(5)套装在主回路母线(7)上，电流互感器(5)与控制器连接。
  7. 根据权利要求1所述的万能式断路器，其特征在于：所述本体基座内部设有用于分隔各极导电系统的相间隔板(11)。
  8. 根据权利要求1所述的万能式断路器，其特征在于：还包括控制器，所 述控制器设于基座架(2)设置操作机构(1)的一侧，基座架(2)的一侧设有与控制器相应的控制器线槽(21)，所述控制器线槽(21)设于基座架(2)靠近底部一端，所述控制器线槽(21)的内部设有嵌件(21a)，控制器线槽(21)上设有压线板(4)，控制器与压线板(4)一起与控制器线槽(21)的内部的嵌件(21a)固定，压线板通过控制器与嵌件(21a)的连接固定。
  9. 根据权利要求8所述的万能式断路器，其特征在于：所述嵌件(21a)为一圆柱状嵌件；嵌件(21a)的中部设有嵌件固定孔(211a)，压线板(4)上设有与嵌件固定孔(211a)相应的第一固定孔(401)。
  10. 根据权利要求8所述的万能式断路器，其特征在于：所述压线板(4)为一块环氧玻璃平板。
PCT/CN2016/099789 2015-11-10 2016-09-23 万能式断路器 WO2017080319A1 (zh)

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