WO2018072254A1 - 万能式断路器灭弧室 - Google Patents

万能式断路器灭弧室 Download PDF

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Publication number
WO2018072254A1
WO2018072254A1 PCT/CN2016/106578 CN2016106578W WO2018072254A1 WO 2018072254 A1 WO2018072254 A1 WO 2018072254A1 CN 2016106578 W CN2016106578 W CN 2016106578W WO 2018072254 A1 WO2018072254 A1 WO 2018072254A1
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WIPO (PCT)
Prior art keywords
arc
arc extinguishing
circuit breaker
exhaust
holes
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PCT/CN2016/106578
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English (en)
French (fr)
Inventor
雷鸿健
代朝旭
王克明
杨颖杰
陈鑫浩
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浙江正泰电器股份有限公司
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Publication of WO2018072254A1 publication Critical patent/WO2018072254A1/zh

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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H73/00—Protective overload circuit-breaking switches in which excess current opens the contacts by automatic release of mechanical energy stored by previous operation of a hand reset mechanism
    • H01H73/02—Details
    • H01H73/18—Means for extinguishing or suppressing arc

Definitions

  • the invention relates to the field of low-voltage electrical appliances, in particular to a universal circuit breaker arc extinguishing chamber.
  • the arc extinguishing chamber is an indispensable part of the universal circuit breaker.
  • the function of the arc extinguishing chamber is to eliminate the arc generated during the breaking.
  • the ability of the arc extinguishing chamber to extinguish the arc directly affects the breaking performance of the circuit breaker.
  • the typical structure of the existing universal circuit breaker arc extinguishing chamber is mainly composed of an arc dividing wall, a pilot arc piece, an arc extinguishing piece, a eliminating stick, and an arc dividing plate.
  • the main function of the arc extinguishing chamber structure is that the arc striking piece introduces the arc into the arc extinguishing chamber when the arc is generated, and then eliminates the arc by the arc extinguishing device of the arc extinguishing chamber, and the arc wall isolates the arc within the arc extinguishing chamber to prevent The arc flies out, posing a safety hazard.
  • the arc In the existing arc extinguishing chamber, the arc is generated at the moment of opening, and the air expands. The arc enters the arc extinguishing chamber with the expanded air. The air pressure at one end near the static bus is higher than the other end, and the arc is also strong, which affects the life of the arc extinguishing chamber of the circuit breaker. .
  • the arc is generated at the moment of opening, and the first arc piece close to the static bus is first contacted with the arc and has a long contact time, and the burning is more serious than the remaining arcing pieces, which easily causes burning and shortens the service life.
  • the object of the present invention is to overcome the deficiencies of the prior art and provide a universal circuit breaker arc extinguishing chamber which is simple and compact in structure, safe in performance, and low in cost.
  • a universal circuit breaker arc extinguishing chamber comprises an arc dividing wall 1 and a plurality of arc guiding pieces 2 installed between opposite side walls of the arc dividing wall 1; the bottom of the arc dividing wall 1 is provided with an arc extinguishing piece
  • the component plate 3 is provided with a plurality of exhaust through holes 301 at the bottom of the arc extinguishing plate assembly plate 3, and the total area of the exhaust through holes 301 distributed on one end of the arc extinguishing plate assembly plate 3 near the static bus bar is smaller than the static distance.
  • the total number of exhaust through holes 301 distributed at one end of the bus bar area is smaller than the static distance.
  • the arc extinguishing plate assembly plate 3 is not provided with an exhaust through hole 301 near one end of the static bus bar.
  • the total area of the arc extinguishing plate assembly plate 3 near the exhaust through hole 301 at one end of the static bus bar is increased toward the other end.
  • a plurality of exhaust through holes 301 are distributed in a matrix on the other end of the arc extinguishing plate assembly plate 3, and the area of each of the exhaust through holes 301 is equal.
  • the plurality of exhaust through holes 301 are distributed in a matrix on the arc extinguishing plate assembly plate 3, and the area of each of the exhaust through holes 301 in each column is equal, and the area of each of the exhaust through holes 301 is close to static.
  • One end of the bus is incremented to the other end.
  • the arc dividing wall 1 is a U-shaped structure
  • the arc extinguishing plate assembly plate 3 includes a first arc extinguishing piece 31, a second arc extinguishing piece 32 and a third arc extinguishing piece 33 which are arranged in parallel in layers.
  • the arc assembly plate 3 further includes a dissipating stick assembly 4 including a first group of dissipating sticks 41 and a second group of dissipating sticks 42, a first group of dissipating sticks 41 and a second group
  • the dissipating sticks 42 respectively comprise a plurality of dissipating sticks arranged in parallel, the first group of dissipating sticks 41 are disposed between the first arc extinguishing piece 31 and the second arc extinguishing piece 32, and the second group of dissipating sticks 42 are disposed at the Between the two arc extinguishing pieces 32 and the third arc extinguishing piece 33.
  • first set of depleting sticks 41 and the second set of dissipating sticks 42 are vertically distributed to each other.
  • the arc dividing plate 5 is further assembled by two arc-inserting walls 15 which are mounted on the arc-insulating plate 5, and the two arc-inserting walls 15 can pass the equal width.
  • the extension plate 16 is extended, and the arc-proof wall 1 is attached to the arc-insulation plate 5 by screws.
  • the driving bus bar 6 is mounted between the opposite side walls of the arc dividing wall 1 on one side of the plurality of arc pieces 2, and the plurality of arc pieces 2 The other side faces the static bus of the circuit breaker;
  • the moving bus lead 6 includes a first arc segment 61 obliquely disposed along the height of the arc extinguishing chamber 2, and one end of the first arc segment 61 is bent A second arcing segment 62 bent toward the side of the arcing blade 2 is extended, and one end of the second arcing segment 62 is bent and extended to have a third arcing segment 63 bent toward the top of the arcing blade 2.
  • the universal circuit breaker arc extinguishing chamber of the invention improves the structure of the arc extinguishing plate assembly plate and extinguishes the arc
  • the total area of the exhaust through-holes distributed on one end of the plate assembly plate near the static bus bar is smaller than the total area of the exhaust through-holes distributed away from one end of the static bus bar, so that the air pressure is evenly distributed in the arc extinguishing chamber, reducing the arc extinguishing time and improving the life of the circuit breaker. ,cut costs.
  • the exhaust gas through holes are not provided at the end of the arc extinguishing plate assembly plate near the static bus bar, and the remaining exhaust through holes have the same diameter.
  • This structure is convenient in processing, good in pressure reduction effect, and the arc distribution in the arc extinguishing chamber is relatively uniform. Or through the exhaust through hole along the structure close to the end of the static bus to the other end of the diameter of the structure to reduce the pressure, excellent anti-pressure effect, the arc distribution in the arc extinguishing room is more uniform, the arc-extinguishing effect is good.
  • Figure 1 is a perspective structural view of an arc extinguishing chamber of the present invention
  • Figure 2 is a schematic view showing the internal structure of the arc extinguishing chamber of the present invention.
  • Figure 3 is a side view showing the internal structure of the arc extinguishing chamber of the present invention.
  • Figure 4 is a schematic view showing a first embodiment of the arc extinguishing plate assembly plate of the present invention
  • Figure 5 is a schematic view showing a second embodiment of the arc extinguishing plate assembly plate of the present invention.
  • Figure 6 is a plan view showing the structure of the arc extinguishing chamber inside the present invention.
  • Figure 7 is a structural view of the arc extinguishing plate assembly plate at the bottom of the arc dividing wall of the present invention.
  • the specific embodiment of the universal circuit breaker arc extinguishing chamber of the present invention will be further described below with reference to the embodiments given in FIGS. 1 to 7.
  • the universal circuit breaker arc extinguishing chamber of the present invention is not limited to the description of the following embodiments.
  • the arc extinguishing chamber of the universal circuit breaker of the present invention comprises an arc dividing wall 1 and a plurality of arcing pieces 2 which are sequentially and equally spaced between opposite side walls of the arc dividing wall 1 and
  • the arcing lead plate 6 is a U-shaped structure, and the arc-extinguishing plate assembly plate 3 for extinguishing the arc is provided at the bottom of the arc-proof wall 1.
  • the moving bus bar 6 is mounted between the opposite side walls of the arc dividing wall 1 on one side of the plurality of arc pieces 2, and the other side of the arcing plate 2 faces the static bus of the circuit breaker.
  • the moving bus bar 6 introduces an arc into the arc extinguishing chamber when the arc is generated, and then eliminates the arc by the arcing blade 2 of the arc extinguishing chamber and the arc extinguishing plate assembly plate 3, and the arc dividing wall 1 isolates the arc within the arc extinguishing chamber. Prevent arcs from flying out, posing a safety hazard.
  • the bottom of the arc extinguishing plate assembly plate 3 is provided with a plurality of exhaust through holes 301.
  • the total area of the exhaust through holes 301 distributed on the arc extinguishing plate assembly plate 3 near one end of the static bus bar is smaller than the total area of the exhaust through holes 301 distributed away from one end of the static bus bar.
  • the universal circuit breaker arc extinguishing chamber of the invention improves the structure of the arc extinguishing plate assembly plate, and the total area of the exhaust through holes distributed on one end of the arc extinguishing plate assembly plate near the static bus bar is smaller than the exhaust gas distributed away from one end of the static bus bar.
  • the total area of the through holes makes the arc evenly distributed in the arc extinguishing chamber, reducing the arc extinguishing time, improving the life of the circuit breaker and reducing the cost.
  • the exhaust through hole 301 is a circular through hole, and the plurality of exhaust through holes 301 are distributed in a matrix on the other end of the arc extinguishing plate assembly plate 3, and each of the exhaust through holes 301 has the same diameter, and the arc extinguishing piece
  • the component panel 3 is not provided with an exhaust through hole 301 (i.e., the A end shown in the drawing) near one end of the static bus.
  • the exhaust passage holes 301 are not disposed at one end of the arc extinguishing plate assembly plate 3 near the static bus bar, and the remaining exhaust through holes 301 are equal in diameter.
  • This structure is convenient in processing, good in pressure reduction effect, and arc extinguishing.
  • the distribution of indoor arcs is relatively uniform. It will be apparent that the diameter of each row of exhaust through holes 301 can also be set in an incremental manner.
  • a second embodiment of the arc extinguishing plate assembly plate 3 is shown.
  • the total area of the exhaust passage holes 301 of the arc extinguishing plate assembly plate 3 near one end of the static bus bar (ie, the A end shown in the drawing) is increased toward the other end.
  • the exhaust through hole 301 is a circular through hole, and the plurality of exhaust through holes 301 are distributed in a matrix on the arc extinguishing plate assembly plate 3, and the diameter of each of the exhaust through holes 301 in each column is Equally, there are a total of 11 exhaust through holes in the figure, the exhaust through holes of the first eight columns have the same diameter, and the exhaust through holes of the last three columns have a larger diameter, in particular, the diameter of each of the exhaust through holes 301. Increase from one end to the other end of the static bus.
  • the exhaust through hole 301 is stepped down along one end of the static bus line to the other end, and the anti-pressure effect is excellent, the arc distribution in the arc extinguishing chamber is more uniform, and the arc extinguishing effect is good.
  • the arc extinguishing plate assembly plate 3 includes a first arc extinguishing piece 31, a second arc extinguishing piece 32, and a third arc extinguishing piece 33 which are arranged in parallel in layers.
  • the disc assembly plate 3 further includes a dissipating stick assembly 4 including a first group of dissipating sticks 41 and a second group of dissipating sticks 42, the first group of dissipating sticks 41 and the second group of dissipating members
  • the sticks 42 respectively comprise a plurality of dissipating sticks arranged in parallel, the first group of dissipating sticks 41 are disposed between the first arc extinguishing piece 31 and the second arc extinguishing piece 32, and the second group of dissipating sticks 42 are disposed at the second extinction Between the arc piece 32 and the third arc extinguishing piece 33.
  • first set of dissipating sticks 41 and the second set of dissipating sticks 42 are mutually perpendicularly distributed.
  • the first set of free sticks 41 and the second set of eliminate sticks 42 are located in rows of two adjacent columns Between the gas through holes 301 or between two adjacent rows of exhaust through holes 301.
  • the arc extinguishing plate assembly plate 3 of the arc extinguishing chamber of the invention adopts a stacked arc extinguishing piece, and then a set of eliminating sticks are arranged between the arc extinguishing pieces for eliminating the free arc, the structure is simple and compact, and the arc extinguishing effect is good.
  • the thickness of the outermost one of the arcing pieces 2 near one end of the static busbar of the circuit breaker is greater than the thickness of the remaining arcing pieces 2.
  • the universal circuit breaker arc extinguishing chamber of the invention improves the structure of the outermost arc starting piece near one end of the static bus bar, can shorten the arc starting time, improve the arc extinguishing performance and the service life, and improve the arc extinguishing performance of the arc extinguishing chamber and Service life.
  • the thickness of the arc runner 2 can be arranged in such a manner that the thickness of the plurality of arc runners 2 gradually decreases along one end of the static busbar of the circuit breaker to the other end, or the outermost arc of one end of the static busbar close to the circuit breaker is removed. Sheet 2, the remaining arc pieces 2 are all equal in thickness. Specifically, the outermost one of the arcing pieces 2 near one end of the static bus bar of the circuit breaker has a thickness of 3.5 mm, and the remaining arc pieces 2 have a thickness of 2 mm. The thickness of the arc runner 2 can also be other sizes.
  • the arc extinguishing chamber of the universal circuit breaker of the present invention further includes an arc dividing plate 5, which is assembled by two arc-inserting walls 15 and is mounted on the arc-secting half wall 15
  • the arc dividing wall 1 is assembled on the arc dividing plate 5, and the two arc dividing walls 15 can be extended by an extension plate 16 of equal width, and the arc dividing wall 1 is attached to the arc dividing plate 5 by screws.
  • the two arc-inserting half walls and the extension plate 16 can be assembled by means of plugging or the like.
  • the structure of the arc-proof wall 1 of the universal circuit breaker of the invention is assembled by using two arc-arranged half-walls 15, which is convenient to process, and can continue to splicing the extension plate 16 to lengthen the change of the specifications of the arc-extinguishing chamber, and has high versatility and saves development. cost.
  • the moving bus bar 6 includes a first arc segment 61 obliquely disposed along the height of the arc chamber to the arc runner 2, and one end of the first arc segment 61 is bent and extended to be bent toward the arc of the arc
  • the folded second arcing segment 62, one end of the second arcing segment 62 is bent and extended to have a third arcing segment 63 bent toward the top of the arcing blade 2.
  • the moving bus lead plate 6 adopts a three-stage bending structure, has good arc-inducing effect, and can introduce an arc into the arc extinguishing chamber to extinguish the arc to prevent the arc from escaping.

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  • Arc-Extinguishing Devices That Are Switches (AREA)
  • Breakers (AREA)

Abstract

一种万能式断路器灭弧室，包括隔弧壁（1）和安装于隔弧壁（1）的相对两侧壁之间的多块引弧片（2）；所述隔弧壁（1）的底部设有灭弧片组件板（3），所述灭弧片组件板（3）的底部设有多个排气通孔（301），所述灭弧片组件板（3）上靠近静母线一端分布的排气通孔（301）的总面积小于远离静母线一端分布的排气通孔（301）的总面积。该方案的万能式断路器灭弧室，通过对灭弧片组件板（3）的结构进行改进，灭弧片组件板（3）上靠近静母线一端分布的排气通孔（301）的总面积小于远离静母线一端分布的排气通孔（301）的总面积，使得气压在灭弧室内均匀分布，减少灭弧时间，提高断路器寿命，降低成本。

Description

万能式断路器灭弧室 技术领域
本发明涉及低压电器领域，特别涉及一种万能式断路器灭弧室。
背景技术
灭弧室是万能式断路器不可缺少的部分，灭弧室的作用是消除分断时产生的电弧，灭弧室消灭电弧的能力强弱直接影响了断路器的分断性能。现有的万能式断路器灭弧室的典型结构，主要由隔弧壁、引弧片、灭弧片、消游离棍、隔弧板组成。这种灭弧室结构的主要作用有：引弧片在电弧产生时将电弧引入灭弧室，再由灭弧室的灭弧装置消除电弧，隔弧壁将电弧隔离在灭弧室以内，防止电弧飞出，造成安全隐患。
现有灭弧室，电弧在分闸瞬间产生，同时空气膨胀，电弧随膨胀的空气进入灭弧室，靠近静母线的一端气压比另一端高，电弧也较强，影响断路器灭弧室寿命。
现有灭弧室，电弧在分闸瞬间产生，靠近静母线的第一片引弧片最先接触到电弧并且接触时间长，烧损比其余引弧片严重，容易造成烧毁，缩短使用寿命。
发明内容
本发明的目的在于克服现有技术的缺陷，提供一种结构简单紧凑，性能安全稳定，成本低的万能式断路器灭弧室。
为实现上述目的，本发明采用了如下技术方案：
一种万能式断路器灭弧室，包括隔弧壁1和安装于隔弧壁1的相对两侧壁之间的多块引弧片2；所述隔弧壁1的底部设有灭弧片组件板3，所述灭弧片组件板3的底部设有多个排气通孔301，所述灭弧片组件板3上靠近静母线一端分布的排气通孔301的总面积小于远离静母线一端分布的排气通孔301的总 面积。
进一步，所述灭弧片组件板3在靠近静母线一端不设置排气通孔301。
进一步，所述灭弧片组件板3在靠近静母线一端的排气通孔301的总面积向另一端递增。
进一步，多个排气通孔301呈矩阵分布于灭弧片组件板3的另一端，每个排气通孔301的面积相等。
进一步，所述多个排气通孔301呈矩阵分布于灭弧片组件板3上，每列的每个排气通孔301的面积都相等，每列排气通孔301的面积从靠近静母线一端向另一端递增。
进一步，所述隔弧壁1为U型结构，灭弧片组件板3包括分层平行设置的第一灭弧片31，第二灭弧片32和第三灭弧片33。
进一步，所述弧片组件板3还包括消游离棍组件4，消游离棍组件4包括第一组消游离棍41和第二组消游离棍42，第一组消游离棍41和第二组消游离棍42分别包括多根平行设置的消游离棍，第一组消游离棍41设于第一灭弧片31和第二灭弧片32之间，第二组消游离棍42设于第二灭弧片32和第三灭弧片33之间。
进一步，所述第一组消游离棍41和第二组消游离棍42的相互垂直分布。
进一步，还包括隔弧板5，所述隔弧壁1由两个隔弧半壁15拼装而成，隔弧壁1安装于隔弧板5上，两个隔弧半壁15之间可通过等宽度的延长板16进行延长，隔弧壁1通过螺钉安装于隔弧板5上。
进一步，还包括动母线引弧片6，所述动母线引弧片6安装于隔弧壁1的相对两侧壁之间，位于多块引弧片2的一侧，多块引弧片2的另一侧朝向断路器的静母线；所述动母线引弧片6包括沿灭弧室高度向引弧片2倾斜设置的第一引弧片段61，第一引弧片段61的一端弯折延伸设有向引弧片2一侧弯折的第二引弧片段62，第二引弧片段62的一端弯折延伸设有向引弧片2顶部弯折的第三引弧片段63。
本发明万能式断路器灭弧室，通过对灭弧片组件板的结构进行改进，灭弧 片组件板上靠近静母线一端分布的排气通孔的总面积小于远离静母线一端分布的排气通孔的总面积，使得气压在灭弧室内均匀分布，减少灭弧时间，提高断路器寿命，降低成本。通过在灭弧片组件板在靠近静母线一端不设置排气通孔，其余排气通孔直径均相等，此种结构，加工方便，降压效果好，灭弧室内电弧的分布相对均匀。或者通过排气通孔沿靠近静母线一端向另一端直径递增的结构进行降压，降压效果优良，灭弧室内电弧的分布更加均匀，灭弧效果好。
附图说明
图1是本发明灭弧室的立体结构图；
图2是本发明灭弧室的内部结构示意图；
图3是本发明灭弧室的内部结构侧视图；
图4是本发明灭弧片组件板的第一实施例示意图；
图5是本发明灭弧片组件板的第二实施例示意图；
图6是本发明灭弧室内部结构俯视图；
图7是本发明隔弧壁底部灭弧片组件板的结构图。
具体实施方式
以下结合附图1至7给出的实施例，进一步说明本发明的万能式断路器灭弧室的具体实施方式。本发明的万能式断路器灭弧室不限于以下实施例的描述。
如图1、2、7所示，本发明万能式断路器灭弧室，包括隔弧壁1和依次等间距安装于隔弧壁1的相对两侧壁之间的多块引弧片2和动母线引弧片6；所述隔弧壁1为U型结构，所述隔弧壁1的底部设有用于消灭电弧的灭弧片组件板3。动母线引弧片6安装于隔弧壁1的相对两侧壁之间，位于多块引弧片2的一侧，引弧片2的另一侧朝向断路器的静母线。动母线引弧片6在电弧产生时将电弧引入灭弧室，再由灭弧室的引弧片2和灭弧片组件板3消除电弧，隔弧壁1将电弧隔离在灭弧室以内，防止电弧飞出，造成安全隐患。
如图4、5、7所示，所述灭弧片组件板3的底部设有多个排气通孔301，所 述灭弧片组件板3上靠近静母线一端(即图中所示A端))分布的排气通孔301的总面积小于远离静母线一端分布的排气通孔301的总面积。本发明万能式断路器灭弧室，通过对灭弧片组件板的结构进行改进，灭弧片组件板上靠近静母线一端分布的排气通孔的总面积小于远离静母线一端分布的排气通孔的总面积，使得电弧在灭弧室内均匀分布，减少灭弧时间，提高断路器寿命，降低成本。
如图4所示，灭弧片组件板3的第一种实施例。所述排气通孔301为圆形通孔，多个排气通孔301呈矩阵分布于灭弧片组件板3的另一端，每个排气通孔301的直径相等，所述灭弧片组件板3在靠近静母线一端不设置排气通孔301(即图中所示A端)。第一种实施例通过在灭弧片组件板3在靠近静母线一端不设置排气通孔301，其余排气通孔301直径均相等，此种结构，加工方便，降压效果好，灭弧室内电弧的分布相对均匀。显而易见，每列排气通孔301的直径也可采用递增的形式设置。
如图5所示，灭弧片组件板3的第二种实施例。所述灭弧片组件板3在靠近静母线一端(即图中所示A端))的排气通孔301的总面积向另一端递增。具体为，所述排气通孔301为圆形通孔，所述多个排气通孔301呈矩阵分布于灭弧片组件板3上，每列的每个排气通孔301的直径都相等，图中共计11列排气通孔，前八列的排气通孔的直径相等，后三列的排气通孔的采用较大直径，特别地，每列排气通孔301的直径从靠近静母线一端向另一端递增。第二种实施例通过排气通孔301沿靠近静母线一端向另一端递增的方式进行降压，降压效果优良，灭弧室内电弧的分布更加均匀，灭弧效果好。
当然，本发明的排气通孔301的数量和形状可以根据具体情况作出调整改变。
如图2、4、5、7所示，灭弧片组件板3包括分层平行设置的第一灭弧片31，第二灭弧片32和第三灭弧片33。所述弧片组件板3还包括消游离棍组件4，消游离棍组件4包括第一组消游离棍41和第二组消游离棍42，第一组消游离棍41和第二组消游离棍42分别包括多根平行设置的消游离棍，第一组消游离棍41设于第一灭弧片31和第二灭弧片32之间，第二组消游离棍42设于第二灭弧片32和第三灭弧片33之间。特别地，第一组消游离棍41和第二组消游离棍42的相互垂直分布。第一组消游离棍41和第二组消游离棍42位于相邻两列的排 气通孔301之间或者相邻两行排气通孔301之间。本发明灭弧室的灭弧片组件板3采用层叠设置的灭弧片，再在灭弧片之间各设一组消游离棍，用于消除游离电弧，结构简单紧凑，灭弧效果好。
如图2、3所示，本发明万能式断路器灭弧室，靠近断路器的静母线一端的最外侧的一块引弧片2的厚度大于其余引弧片2的厚度。本发明万能式断路器灭弧室，对靠近静母线一端的最外侧的一块引弧片的结构进行改进，可缩短引弧时间提升灭弧性能和使用寿命，提升灭弧室的灭弧性能和使用寿命。
引弧片2的厚度排列可以采用如下方式：多块引弧片2的厚度沿断路器的静母线一端向另一端逐渐减小，或者除去靠近断路器的静母线一端的最外侧的一块引弧片2，其余引弧片2的厚度均相等。具体地，所述靠近断路器的静母线一端的最外侧的一块引弧片2的厚度为3.5mm，其余引弧片2的厚度均为2mm。引弧片2的厚度也可采用其他尺寸。
如图1、2、6、7所示，本发明万能式断路器灭弧室还包括隔弧板5，所述隔弧壁1由两个隔弧半壁15拼装而成，隔弧半壁15安装于隔弧板5上拼装形成隔弧壁1，两个隔弧半壁15之间可通过等宽度的延长板16进行延长，隔弧壁1通过螺钉安装于隔弧板5上。具体地，两个隔弧半壁和延长板16之间可以采用插接等方式进行拼装。本发明万能式断路器的隔弧壁1的结构采用两个隔弧半壁15组装而成，加工方便，且可继续拼接延长板16来加长灭弧室规格上的变化，通用性高，节约开发成本。
如图2所示，动母线引弧片6的具体结构。所述动母线引弧片6包括沿灭弧室高度向引弧片2倾斜设置的第一引弧片段61，第一引弧片段61的一端弯折延伸设有向引弧片2一侧弯折的第二引弧片段62，第二引弧片段62的一端弯折延伸设有向引弧片2顶部弯折的第三引弧片段63。动母线引弧片6采用三段弯折的结构，引弧效果好，且能将电弧引入灭弧室内部进行灭弧，防止电弧逃逸。
以上内容是结合具体的优选实施方式对本发明所作的进一步详细说明，不能认定本发明的具体实施只局限于这些说明。对于本发明所属技术领域的普通技术人员来说，在不脱离本发明构思的前提下，还可以做出若干简单推演或替换，都应当视为属于本发明的保护范围。

Claims (10)

  1. 一种万能式断路器灭弧室，其特征在于：包括隔弧壁(1)和安装于隔弧壁(1)的相对两侧壁之间的多块引弧片(2)；所述隔弧壁(1)的底部设有灭弧片组件板(3)，所述灭弧片组件板(3)的底部设有多个排气通孔(301)，所述灭弧片组件板(3)上靠近静母线一端分布的排气通孔(301)的总面积小于远离静母线一端分布的排气通孔(301)的总面积。
  2. 根据权利要求1所述的万能式断路器灭弧室，其特征在于：所述灭弧片组件板(3)在靠近静母线一端不设置排气通孔(301)。
  3. 根据权利要求1所述的万能式断路器灭弧室，其特征在于：所述灭弧片组件板(3)在靠近静母线一端的排气通孔(301)的总面积向另一端递增。
  4. 根据权利要求2所述的万能式断路器灭弧室，其特征在于：多个排气通孔(301)呈矩阵分布于灭弧片组件板(3)的另一端，每个排气通孔(301)的面积相等。
  5. 根据权利要求3所述的万能式断路器灭弧室，其特征在于：所述多个排气通孔(301)呈矩阵分布于灭弧片组件板(3)上，每列的每个排气通孔(301)的面积都相等，每列排气通孔(301)的面积从靠近静母线一端向另一端递增。
  6. 根据权利要求1-5任一所述的万能式断路器灭弧室，其特征在于：所述隔弧壁(1)为U型结构，灭弧片组件板(3)包括分层平行设置的第一灭弧片(31)，第二灭弧片(32)和第三灭弧片(33)。
  7. 根据权利要求6所述的万能式断路器灭弧室，其特征在于：所述弧片组件板(3)还包括消游离棍组件(4)，消游离棍组件(4)包括第一组消游离棍(41)和第二组消游离棍(42)，第一组消游离棍(41)和第二组消游离棍(42)分别包括多根平行设置的消游离棍，第一组消游离棍(41)设于第一灭弧片(31)和第二灭弧片(32)之间，第二组消游离棍(42)设于第二灭弧片(32)和第三灭弧片(33)之间。
  8. 根据权利要求7所述的万能式断路器灭弧室，其特征在于：所述第一组 消游离棍(41)和第二组消游离棍(42)的相互垂直分布。
  9. 根据权利要求1-5任一所述的万能式断路器灭弧室，其特征在于：还包括隔弧板(5)，所述隔弧壁(1)由两个隔弧半壁(15)拼装而成，隔弧壁(1)安装于隔弧板(5)上，两个隔弧半壁(15)之间可通过等宽度的延长板(16)进行延长，隔弧壁(1)通过螺钉安装于隔弧板(5)上。
  10. 根据权利要求1-5任一所述的万能式断路器灭弧室，其特征在于：还包括动母线引弧片(6)，所述动母线引弧片(6)安装于隔弧壁(1)的相对两侧壁之间，位于多块引弧片(2)的一侧，多块引弧片(2)的另一侧朝向断路器的静母线；所述动母线引弧片(6)包括沿灭弧室高度向引弧片(2)倾斜设置的第一引弧片段(61)，第一引弧片段(61)的一端弯折延伸设有向引弧片(2)一侧弯折的第二引弧片段(62)，第二引弧片段(62)的一端弯折延伸设有向引弧片(2)顶部弯折的第三引弧片段(63)。
PCT/CN2016/106578 2016-10-21 2016-11-21 万能式断路器灭弧室 WO2018072254A1 (zh)

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