WO2017124779A1 - 一种新型柱上断路器 - Google Patents

一种新型柱上断路器 Download PDF

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Publication number
WO2017124779A1
WO2017124779A1 PCT/CN2016/101614 CN2016101614W WO2017124779A1 WO 2017124779 A1 WO2017124779 A1 WO 2017124779A1 CN 2016101614 W CN2016101614 W CN 2016101614W WO 2017124779 A1 WO2017124779 A1 WO 2017124779A1
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circuit breaker
voltage
insulating
transformer
lead
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PCT/CN2016/101614
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English (en)
French (fr)
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胡斌
张强
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上海固缘电力科技有限公司
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Publication of WO2017124779A1 publication Critical patent/WO2017124779A1/zh

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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
    • H01H33/60—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
    • H01H33/66—Vacuum switches
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
    • H01H33/60—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
    • H01H33/66—Vacuum switches
    • H01H33/6606—Terminal arrangements

Definitions

  • the present invention relates to a novel on-column circuit breaker.
  • the conventional on-column circuit breaker includes a voltage transformer, an electromagnetic current transformer and a circuit breaker.
  • the disadvantages are as follows:
  • the conventional on-column circuit breaker only installs one voltage transformer, which is used as the power source and voltage collection.
  • the voltage collection of the line is not comprehensive enough to accurately judge the fault of the line; if multiple voltage transformers are to be installed, Then its cost will increase a lot;
  • the conventional on-column circuit breaker uses an electromagnetic current transformer, which is bulky and contains an iron core, and has the disadvantage of electromagnetic saturation.
  • the core since the core has an iron core and a winding inside, the cost is high.
  • the object of the present invention is to overcome the defects of the prior art and provide a novel on-column circuit breaker which is integrally installed with a voltage transformer and a circuit breaker.
  • the primary secondary connection of the voltage transformer is completed at the factory, and it is not required for on-site installation. Wiring, thus avoiding a series of problems caused by wiring errors.
  • a new type of on-column circuit breaker including a circuit breaker housing, a transformer mounting platform, a voltage transformer and three insulating poles, wherein:
  • the transformer mounting platform is disposed at one side of the circuit breaker housing, and the transformer mounting platform is integrally formed with the circuit breaker housing;
  • the three insulating poles are disposed on the circuit breaker casing in order from left to right;
  • Each of the insulating poles is provided with a line side terminal block at a top end thereof;
  • Each of the insulating poles is provided with an outlet side electrical connection member
  • a high voltage connection cable socket is respectively disposed on the left side of the insulating pole and the insulating pole on the right side;
  • Each of the insulating poles is provided with a vacuum interrupter, an insulating rod, a voltage sensor, a voltage sensor primary lead, a voltage sensor secondary lead, a current sensor and a current sensor lead, the vacuum interrupter and the insulating rod Connecting from top to bottom, the connection ends of the vacuum interrupter and the insulating rod are connected to the corresponding outlet side electrical connectors; one end of the voltage sensor passes through the voltage sensor and leads to the corresponding one The line side wiring board is connected; the other end of the voltage sensor is connected to the voltage sensor secondary lead; the voltage sensor secondary lead and the current sensor lead respectively extend to the inside of the circuit breaker housing;
  • the voltage transformer is mounted on the transformer mounting platform, and the primary line of the voltage transformer passes through the high voltage connecting cable to the high voltage connecting cable socket on the left side of the insulating pole and the insulating pole on the right side.
  • a high voltage connection cable socket on the column is connected, and a secondary line of the voltage transformer extends into the interior of the circuit breaker housing.
  • the voltage transformer is installed integrally with the circuit breaker, which saves space, is convenient to install, and saves the construction cost;
  • the voltage sensor and the current sensor are embedded in each of the insulating poles, the three-phase voltage and the three-phase current can be all collected, so that the fault can be accurately determined according to the collected voltage and current signals, and the line is easier. Fault judgment and realization of distribution network automation.
  • Figure 1 is a front elevational view of the novel on-column circuit breaker of the present invention
  • Figure 2 is a side view of the novel on-column circuit breaker of the present invention.
  • FIG 3 is a cross-sectional view of an insulating pole of the novel on-column circuit breaker of the present invention.
  • a novel on-column circuit breaker comprising a circuit breaker housing 5, a transformer mounting platform 13, a voltage transformer 4 and three insulating poles 2.
  • the transformer mounting table 13 is disposed on one side of the circuit breaker case 5, and the transformer mounting table 13 is integrally formed with the circuit breaker case 5; the three insulating poles 2 are sequentially disposed on the circuit breaker case 5 from left to right. .
  • each of the insulating poles 2 is provided with an incoming side wiring board 1; each of the insulating poles 2 is provided with an outgoing side electrical connector 10; an insulating pole 2 on the left side and an insulating pole on the right side
  • a high voltage connection cable socket 14 is provided on the column 2, respectively.
  • Each of the insulating poles 2 is provided with a vacuum interrupter 9, an insulating rod 8, a voltage sensor 6, a voltage sensor primary lead 71, a voltage sensor secondary lead 72, a current sensor 11 and a current sensor lead 12, and a vacuum interrupter
  • the chamber 9 and the insulating rod 8 are sequentially connected from top to bottom, and the connection ends of the vacuum interrupter 9 and the insulating rod 8 are connected to the corresponding outlet side electrical connector 10; one end of the voltage sensor 6 passes the voltage sensor primary lead 71 and the corresponding The line side terminal block 1 is connected; the other end of the voltage sensor 6 is connected to the voltage sensor secondary lead 72; the voltage sensor secondary lead 72 and the current sensor lead 12 extend to the inside of the circuit breaker case 5, respectively.
  • the voltage transformer 4 is mounted on the transformer mounting table 13, and the primary line of the voltage transformer 4 passes through the high voltage connection cable 3 to the high voltage connection cable socket 14 on the left side of the insulating pole 2 and the insulating pole on the right side.
  • the high voltage connection cable sockets 14 on the column 2 are connected, and the secondary line of the voltage transformer 4 extends into the interior of the circuit breaker housing 5.
  • the voltage transformer 4 is integrally mounted with the circuit breaker in the circuit breaker case 5.
  • the new on-column circuit breaker of the present invention three insulating poles 2 are mounted on the circuit breaker housing 5 in use, and a sectional view of a single insulating pole 2 is shown in FIG. 3, and each of the insulating poles 2 is embedded and cast.
  • a voltage sensor 6 and a current sensor 11 enable the circuit breaker to measure the voltage and current of the three phases, which makes it easier to judge the line fault;
  • the voltage transformer 4 is mounted on the voltage transformer mounting table 13 of the circuit breaker housing 5.
  • the primary line of the voltage transformer 4 is connected to the high voltage connection cable socket 14 of the insulating pole 2 through the high voltage connection cable 3, and the secondary line of the voltage transformer 4 is introduced inside the circuit breaker housing 5.
  • the novel on-column circuit breaker of the present invention is integrally installed with a circuit breaker and a circuit breaker, which saves space, is convenient to install, and saves construction cost; since the integrated installation, the voltage transformer is used.
  • the secondary wiring is completed at the factory, no wiring is required during field installation, thus avoiding a series of problems caused by wiring errors; since each of the insulating poles is embedded with a voltage sensor and a current sensor, the three-phase voltage can be And the three-phase current is all collected, so it can accurately judge whether the fault occurs according to the collected voltage and current signals, and it is easier to judge the line fault and realize the automation of the distribution network.

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Abstract

一种柱上断路器，包括断路器壳体（5）、互感器安装台（13）、电压互感器（4）和三个绝缘极柱（2），互感器安装台设置在断路器壳体的一侧，且互感器安装台与断路器壳体一体成型；三个绝缘极柱从左至右依次设置在断路器壳体上；每个绝缘极柱的内部均设置有真空灭弧室（9）、绝缘拉杆（8）、电压传感器（6）、电压传感器一次引线（71）、电压传感器二次引线（72）、电流传感器（11）和电流传感器引线（12）；电压互感器安装在互感器安装台上。该柱上断路器采用电压互感器与断路器一体式安装，电压互感器的一次二次接线在出厂即已完成，现场安装时无需接线，从而避免了接线错误带来的一系列的问题。

Description

一种新型柱上断路器 技术领域
本发明涉及一种新型柱上断路器。
背景技术
目前，常规的柱上断路器包括一台电压互感器、电磁式的电流互感器和断路器，其缺点主要有：
(1)电压互感器与断路器分体安装，电压互感器需要单独的安装支架，安装不便，且占用有限的柱上体积；
(2)电压互感器的一次及二次线需单独连接，尤其是二次线容易接错而引起事故，如二次线短路引起电压互感器爆炸；
(3)常规柱上断路器只安装一台电压互感器，即作为电源又作为电压采集使用，对于线路的电压采集不够全面，不能准确的判断线路的故障；如果要安装多台电压互感器，则其成本会增加很多；
(4)常规柱上断路器使用电磁式的电流互感器，其体积大且内含铁芯，存在电磁饱和的弊端，另外，由于内部有铁芯及绕线，因此成本较高。
发明内容
本发明的目的是克服现有技术的缺陷，提供一种新型柱上断路器，采用电压互感器与断路器一体式安装，电压互感器的一次二次接线在出厂即已完成，现场安装时无需接线，从而避免了接线错误带来的一系列的问题。
实现上述目的的技术方案是：一种新型柱上断路器，包括断路器壳体、互感器安装台、电压互感器和三个绝缘极柱，其中：
所述互感器安装台设置在所述断路器壳体的一侧，且所述互感器安装台与所述断路器壳体一体成型；
所述三个绝缘极柱从左至右依次设置在所述断路器壳体上；
每个所述绝缘极柱的顶端均设置有进线侧接线板；
每个所述绝缘极柱上均设置有出线侧电连接件；
位于左侧的绝缘极柱和位于右侧的绝缘极柱上分别设置有高压连接电缆插座；
每个所述绝缘极柱的内部均设置有真空灭弧室、绝缘拉杆、电压传感器、电压传感器一次引线、电压传感器二次引线、电流传感器和电流传感器引线，所述真空灭弧室与绝缘拉杆从上至下依次连接，所述真空灭弧室和绝缘拉杆的连接端与相应的所述出线侧电连接件相连；所述电压传感器的一端通过所述电压传感器一次引线与相应的所述进线侧接线板相连；所述电压传感器的另一端与所述电压传感器二次引线相连；所述电压传感器二次引线和电流传感器引线分别延伸至所述断路器壳体内部；
所述电压互感器安装在所述互感器安装台上，所述电压互感器的一次线通过高压连接电缆线分别与位于左侧的绝缘极柱上的高压连接电缆插座和位于右侧的绝缘极柱上的高压连接电缆插座相连，所述电压互感器的二次线延伸至所述断路器壳体内部。
本发明的新型柱上断路器，与现有技术相比的有益效果体现在：
(1)采用电压互感器与断路器一体安装，节省空间，安装方便，同时节省了施工的成本；
(3)由于采用一体式安装，电压互感器的一次二次接线在出厂即已完成，现场安装时无需接线，从而避免了接线错误带来的一系列的问题；
(4)由于每个绝缘极柱内均嵌入了电压传感器和电流传感器，能将三相电压及三相电流全部采集，因此可根据采集的电压电流信号准确的判断出故障是否发生，更易于线路故障判断及配网自动化的实现。
附图说明
图1为本发明的新型柱上断路器的主视图；
图2为本发明的新型柱上断路器的侧视图；
图3为本发明的新型柱上断路器的绝缘极柱的剖视图。
具体实施方式
为了使本技术领域的技术人员能更好地理解本发明的技术方案，下面结合附图对其具体实施方式进行详细地说明：
请参阅图1、图2和图3，本发明的最佳实施例，一种新型柱上断路器，包括断路器壳体5、互感器安装台13、电压互感器4和三个绝缘极柱2。
互感器安装台13设置在断路器壳体5的一侧，且互感器安装台13与断路器壳体5一体成型；三个绝缘极柱2从左至右依次设置在断路器壳体5上。
每个绝缘极柱2的顶端均设置有进线侧接线板1；每个绝缘极柱2上均设置有出线侧电连接件10；位于左侧的绝缘极柱2和位于右侧的绝缘极柱2上分别设置有高压连接电缆插座14。
每个绝缘极柱2的内部均设置有真空灭弧室9、绝缘拉杆8、电压传感器6、电压传感器一次引线71、电压传感器二次引线72、电流传感器11和电流传感器引线12，真空灭弧室9与绝缘拉杆8从上至下依次连接，真空灭弧室9和绝缘拉杆8的连接端与相应的出线侧电连接件10相连；电压传感器6的一端通过电压传感器一次引线71与相应的进线侧接线板1相连；电压传感器6的另一端与电压传感器二次引线72相连；电压传感器二次引线72和电流传感器引线12分别延伸至断路器壳体5内部。
电压互感器4安装在互感器安装台13上，电压互感器4的一次线通过高压连接电缆线3分别与位于左侧的绝缘极柱2上的高压连接电缆插座14和位于右侧的绝缘极柱2上的高压连接电缆插座14相连，电压互感器4的二次线延伸至断路器壳体5内部。这样，电压互感器4与断路器壳体5内的断路器一体安装。
本发明的新型柱上断路器，在使用时，有三个绝缘极柱2安装于断路器壳体5上，单个绝缘极柱2的剖面图如图3，每一绝缘极柱2内嵌入浇注了一只电压传感器6和一只电流传感器11，使得断路器能测得三相的电压和电流，更易于判断线路故障；电压互感器4安装于断路器壳体5上的电压互感器安装台13上；电压互感器4一次线通过高压连接电缆3连接至绝缘极柱2的高压连接电缆插座14，电压互感器4的二次线引进断路器壳体5内部。
综上所述，本发明的新型柱上断路器，采用电压互感器与断路器一体安装，节省空间，安装方便，同时节省了施工的成本；由于采用一体式安装，电压互感器的 一次二次接线在出厂即已完成，现场安装时无需接线，从而避免了接线错误带来的一系列的问题；由于每个绝缘极柱内均嵌入了电压传感器和电流传感器，能将三相电压及三相电流全部采集，因此可根据采集的电压电流信号准确的判断出故障是否发生，更易于线路故障判断及配网自动化的实现。
本技术领域中的普通技术人员应当认识到，以上的实施例仅是用来说明本发明，而并非用作为对本发明的限定，只要在本发明的实质精神范围内，对以上所述实施例的变化、变型都将落在本发明的权利要求书范围内。

Claims (1)

  1. 一种新型柱上断路器，其特征在于，包括断路器壳体、互感器安装台、电压互感器和三个绝缘极柱，其中：
    所述互感器安装台设置在所述断路器壳体的一侧，且所述互感器安装台与所述断路器壳体一体成型；
    所述三个绝缘极柱从左至右依次设置在所述断路器壳体上；
    每个所述绝缘极柱的顶端均设置有进线侧接线板；
    每个所述绝缘极柱上均设置有出线侧电连接件；
    位于左侧的绝缘极柱和位于右侧的绝缘极柱上分别设置有高压连接电缆插座；
    每个所述绝缘极柱的内部均设置有真空灭弧室、绝缘拉杆、电压传感器、电压传感器一次引线、电压传感器二次引线、电流传感器和电流传感器引线，所述真空灭弧室与绝缘拉杆从上至下依次连接，所述真空灭弧室和绝缘拉杆的连接端与相应的所述出线侧电连接件相连；所述电压传感器的一端通过所述电压传感器一次引线与相应的所述进线侧接线板相连；所述电压传感器的另一端与所述电压传感器二次引线相连；所述电压传感器二次引线和电流传感器引线分别延伸至所述断路器壳体内部；
    所述电压互感器安装在所述互感器安装台上，所述电压互感器的一次线通过高压连接电缆线分别与位于左侧的绝缘极柱上的高压连接电缆插座和位于右侧的绝缘极柱上的高压连接电缆插座相连，所述电压互感器的二次线延伸至所述断路器壳体内部。
PCT/CN2016/101614 2016-01-21 2016-10-10 一种新型柱上断路器 WO2017124779A1 (zh)

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CN114023592A (zh) * 2021-11-08 2022-02-08 河南华盛隆源电气有限公司 一种高压断路器
CN114156118A (zh) * 2021-12-15 2022-03-08 河南九域腾龙信息工程有限公司 一种柱箱式一二次融合高压开关
CN114171343A (zh) * 2021-12-15 2022-03-11 河南九域腾龙信息工程有限公司 一种内置隔离开关的柱箱式高压开关
CN114256010A (zh) * 2021-11-15 2022-03-29 双杰电气合肥有限公司 常压密封开关用极柱及常压密封开关

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CN105470038A (zh) * 2016-01-21 2016-04-06 上海固缘电力科技有限公司 一种新型柱上断路器
CN109216097A (zh) * 2017-07-04 2019-01-15 上海置信电气股份有限公司 一种一二次设备深度融合的户外柱上开关
CN109904032A (zh) * 2019-04-11 2019-06-18 数邦电力科技有限公司 一种新型真空断路器极柱

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