WO2016000445A1 - 自复式短路故障指示器 - Google Patents

自复式短路故障指示器 Download PDF

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Publication number
WO2016000445A1
WO2016000445A1 PCT/CN2015/071243 CN2015071243W WO2016000445A1 WO 2016000445 A1 WO2016000445 A1 WO 2016000445A1 CN 2015071243 W CN2015071243 W CN 2015071243W WO 2016000445 A1 WO2016000445 A1 WO 2016000445A1
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Prior art keywords
iron core
circuit fault
self
indicator
short
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Ceased
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PCT/CN2015/071243
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English (en)
French (fr)
Inventor
赵树海
程运宏
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Shanxi Honganxiang Science & Technology Development Co Ltd
Yuncheng Power Supply Co of State Grid Shanxi Electric Power Co Ltd
State Grid Corp of China SGCC
Original Assignee
Shanxi Honganxiang Science & Technology Development Co Ltd
Yuncheng Power Supply Co of State Grid Shanxi Electric Power Co Ltd
State Grid Corp of China SGCC
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Application filed by Shanxi Honganxiang Science & Technology Development Co Ltd, Yuncheng Power Supply Co of State Grid Shanxi Electric Power Co Ltd, State Grid Corp of China SGCC filed Critical Shanxi Honganxiang Science & Technology Development Co Ltd
Priority to US14/940,732 priority Critical patent/US9841453B2/en
Publication of WO2016000445A1 publication Critical patent/WO2016000445A1/zh
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
    • G01R31/52—Testing for short-circuits, leakage current or ground faults
    • 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

Definitions

  • the invention relates to a transmission line short-circuit fault indicator, in particular to a mechanical short-circuit fault indicator capable of automatically resetting.
  • short-circuit fault indicators There are two types of short-circuit fault indicators, one is mechanical, such as the "short-circuit fault indicator” published by Chinese patent CN2059506U and CN2141571Y, which can indicate whether the branch line is a short-circuit fault line, but these two indicators act After that, it is necessary to restore the person for boarding, which is time consuming and laborious.
  • the other is electronic, such as the short circuit fault indicator published by Chinese patents CN2132997Y, CN2507017Y, CN2591630Y, which is driven by an electronic circuit to drive a rotating color block. It is judged whether a short circuit fault has occurred through the color change in the window. Delayed recovery, this electronic indicator is costly and requires battery power. It is very troublesome to replace the battery frequently. The other is to take power from the line and charge the battery. The disadvantage is higher cost and the battery life. Not long; in addition, the observation of color requires close resolution, especially at night, and observation is very difficult.
  • the object of the present invention is to overcome the deficiencies of the prior art and to provide a low-cost, long-life, purely mechanical, self-resetting short-circuit fault indicator.
  • the technical solution adopted by the present invention is: a self-resetting short-circuit fault indicator, which is composed of an iron core, a dial block, a lock buckle, an indicator rod and an outer casing, and is characterized in that: the iron core is made of a clamp iron.
  • Fixed iron core (9), connecting iron core (7) and moving iron core (8), moving iron core (8) has a quick dial (13), fixed iron core (9) and connecting iron
  • the core (7) is fixed in the outer casing (6), and the lock and the indicator rod are installed in the outer casing (6) through the lock rotating shaft (18) and the indicating rod rotating shaft, and the movable iron core (8) and the outer casing (6)
  • the self-resetting short-circuit fault indicator described above is characterized in that: the clamp core (3) is a symmetrical two parts, and the clamp core (3) is provided with a hinge (5) and a lock spring ( 4).
  • the self-resetting short-circuit fault indicator described above is characterized in that the indicating rod is composed of a pointing rod rotating shaft (16), a pointing rod connecting rod (15) and an indicating rod body (14).
  • the self-resetting short-circuit fault indicator described above is characterized in that the lock is composed of a lock rotation shaft (18), a lock hook (19) and a weight (17).
  • the self-resetting short-circuit fault indicator described above is characterized in that the outer casing (6) is made of an insulating material.
  • the wire (1) of the transmission line is stuck in the two clamp cores (3) of the indicator.
  • the indicator bar is dropped from the inside of the casing to indicate the fault, when the line resumes normal operation. , indicating that the rod is automatically stowed.
  • the invention has the following beneficial effects: the indicator can be automatically recovered after the action, the cost is low, the service life is long, the machine is purely mechanical, the circuit and the battery are not needed, and the installation operation is simple, convenient and quick.
  • Figure 1 is a schematic illustration of the combination of the present invention and a wire.
  • Figure 2 is a left side view of Figure 1.
  • Fig. 3 is a schematic view showing the state of the opening of the clamp core (3).
  • Fig. 4 is a schematic view showing the state of the internal mechanism of the present invention and a normal power failure.
  • Figure 5 is a schematic illustration of the invention in a normal operating state.
  • Figure 6 is a schematic view showing the state of the present invention at the moment of occurrence of a short circuit fault.
  • Fig. 7 is a schematic view showing the state of the present invention after a short-circuit failure causes a power failure.
  • Fig. 8 is a schematic structural view of a moving iron core (8).
  • Figure 9 is a left side view of Figure 8.
  • Figure 10 is a schematic view showing the structure of the indicating rod.
  • Figure 11 is a left side view of Figure 10.
  • Figure 12 is a plan view of Figure 10.
  • Figure 13 is a schematic view showing the structure of the buckle.
  • Figure 14 is a left side view of Figure 13 .
  • FIG. 1 is a schematic view of the present invention in combination with a wire
  • FIG. 2 is a left side view of FIG. 1
  • FIG. 3 is a schematic view showing the open state of the pinned iron core (3), and the two clamped cores (3) are provided with a hinge (5)
  • the locking spring (4) the wire can be conveniently clamped into the annular magnetic circuit formed by the iron core, and the charging and disassembling can be realized
  • FIG. 4 is a schematic diagram of the internal mechanism and the normal power failure state of the present invention, and the self-resetting short circuit of the present invention
  • the fault indicator is composed of a core, a spring, a dial block, a lock buckle, an indicator rod and an outer casing.
  • the iron core is a magnetic conductive material, and the iron core is composed of a clamp core (3) and a fixed iron core (9). Connecting iron core (7) and moving iron core (8) group When the moving iron core (8) and the fixed iron core (9) are in contact, a closed magnetic circuit is formed, and the movable iron core (8) is fastened (13), and the fixed iron core (9) and the connecting iron core (7) are fixed.
  • the outer casing (6) the outer casing (6) is provided with a locking rotating shaft (18), a pointing rod rotating shaft (16) and a moving iron core rotating shaft (20), a moving iron core (8) and a casing (6). There is a tension spring (12), and a pressure spring (11) is fixed on the fixed iron core (9).
  • FIG. 5 is a schematic diagram of the present invention in a normal operating state, when there is current in the wire when the line is running, magnetic induction is induced in the iron core, and magnetic attraction is made.
  • the moving iron core (8) moves toward the fixed iron core (9), and the moving iron core (8) moves to contact with the pressure spring (11).
  • FIG. 6 is a schematic diagram of the state of the present invention in the event of a short-circuit fault, when the line is short-circuited, the current in the wire increases. Up to thousands of amps, the core induces a huge magnetic attraction. The huge magnetic force causes the moving iron core (8) to compress the compression spring (11), and the moving iron core (8) and the fixed iron core (9) are closed. The iron core (8) drives the quick release (13) to open the lock hook (19), and the indicator rod falls from the inside of the casing to indicate a fault.
  • FIG. 6 Due to the large elastic force of the pressure spring (11), the magnetic induction attraction generated by the normal current of operation It is not enough to compress the pressure spring (11), and the movement of the quick (13) to the operating state is blocked by the pressure spring;
  • FIG. 6 is a schematic diagram of the state of the present invention in the event of a short-circuit fault, when the line is short-circuited, the current in the wire increases. Up to thousands of amps, the core induces a huge
  • FIG. 7 is a schematic diagram of the state of the present invention after a short-circuit fault causes a power failure and power failure, and the line patrol personnel Find along the branch line indicating the fault, you can find the branch line or fault point where the short circuit fault occurs; after the fault is processed, resume the power transmission, dial (13) and turn the indicator rod to pull the lever (15) to close the indicator rod. After the position is reached, the lock is hooked by the lock hook (19) to return to the normal operation state shown in FIG.
  • FIG. 8 is a schematic structural view of the movable iron core (8)
  • FIG. 9 is a left side view of FIG. 8.
  • the movable iron core (8) has a quick dial (13), a moving iron core rotating shaft (20), and a moving iron core tension spring.
  • Figure 10 is a schematic view showing the structure of the bar
  • Figure 11 is a left side view of Figure 10
  • Figure 12 is a plan view of Figure 10
  • the indicator bar is rotated by the indicator bar (16), the indicator bar (15) and the indicator bar (14).
  • the indicator rod (14) may be cylindrical or prismatic, indicating that the rod (14) is made of a lightweight water resistant material, and a night reflective material may be attached to the surface of the indicator rod (14).
  • Figure 13 is a schematic view of the structure of the buckle
  • Figure 14 is a left side view of Figure 13
  • the lock is composed of a lock rotation shaft (18), a lock hook (19) and a weight (17), and the weight (17)
  • the role is to ensure that the lock hook (19) is always perpendicular to the ground.
  • the outer casing (6) is made of an insulating material, and the surface of the outer casing (6) may also be attached with a night reflective material, the color of which may be separated from the color indicating the surface of the rod (14).

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Locating Faults (AREA)

Abstract

一种自复式短路故障指示器，由铁芯、弹簧、拨块（13）、锁扣、指示棒、外壳（6）组成，铁芯由钳形铁芯（3）、定铁芯（9）、连接铁芯（7）和动铁芯（8）组成，指示棒由指示棒转动轴（16）、指示棒连扳（15）和指示棒体（14）构成，锁扣由锁扣转动轴（18）、锁扣钩（19）和配重块（17）构成；将输电线路的导线（1）卡在本指示器的两块钳形铁芯（3）内，当有短路故障时，指示棒体（14）从外壳（6）内跌落，指示故障，当线路恢复正常运行时，指示棒体（14）自动收起，该指示器成本低、寿命长、纯机械、无需电路和电池，安装操作简单、方便快捷。

Description

自复式短路故障指示器 技术领域
本发明涉及一种输电线路短路故障指示器，具体涉及一种能自动复位的机械式短路故障指示器。
背景技术
现今短路故障指示器的种类分两种，一种是机械式的，如中国专利CN2059506U、CN2141571Y公布的《短路故障指示器》，能够指示分支线路是否为短路故障线路，但这两种指示器动作后必须要人为登杆进行恢复，费时费力。另一种是电子式的，如中国专利CN2132997Y、CN2507017Y、CN2591630Y公布的短路故障指示器，是靠电子电路驱动一个旋转的色块，通过视窗内的颜色变化判断是否发生了短路故障，动作后经过延时恢复，这种电子式的指示器成本较高，而且需要电池供电，经常更换电池非常麻烦；另一种是从线路取电，为蓄电池充电，缺点是成本更高，而且蓄电池的寿命也不长；另外，颜色的观察需要近距离分辨，特别是夜晚，观察非常困难。
发明内容
本发明的目的就是克服现有技术存在的不足，提供一种成本低、寿命长、纯机械、自复式短路故障指示器。
为了解决上述技术问题，本发明采用的技术方案为：自复式短路故障指示器，由铁芯、拨块、锁扣、指示棒、外壳组成，其特征在于：所述的铁芯由钳形铁芯(3)、定铁芯(9)、连接铁芯(7)和动铁芯(8)组成，动铁芯(8)上有拨快(13)，定铁芯(9)和连接铁芯(7)固定在外壳(6)内，锁扣和指示棒通过锁扣转动轴(18)和指示棒转动轴安装在外壳(6)内，动铁芯(8)和外壳(6)之间有拉力弹簧(12)，定铁芯(9)上固定有压力弹簧(11)。
以上所述的自复式短路故障指示器，其特征在于：所述的钳形铁芯(3)为对称的两个部件，钳形铁芯(3)上装有铰链(5)和锁紧弹簧(4)。
以上所述的自复式短路故障指示器，其特征在于：所述的指示棒由指示棒转动轴(16)、指示棒连扳(15)和指示棒体(14)构成。
以上所述的自复式短路故障指示器，其特征在于：所述的锁扣由锁扣转动轴(18)、锁扣钩(19)和配重块(17)构成。
以上所述的自复式短路故障指示器，其特征在于：所述的外壳(6)由绝缘材料构成。
使用时将输电线路的导线(1)卡在本指示器的两块钳形铁芯(3)内，当有短路故障时，指示棒体从外壳内跌落，指示故障，当线路恢复正常运行时，指示棒体自动收起。
本发明与现有技术相比具有以下有益效果：本指示器动作后能自动恢复，成本低、寿命长、纯机械、无需电路和电池，安装操作简单、方便快捷。
附图说明
下面结合实施例附图对本发明做进一步详细的说明：
图1为本发明与导线结合的示意图。
图2是图1的左视图。
图3是钳形铁芯(3)的开口状态示意图。
图4是本发明内部机构及正常停电时的状态示意图。
图5是本发明在正常运行状态时的示意图。
图6是本发明在发生短路故障瞬间的状态示意图。
图7是本发明在发生短路故障造成停电停电后的状态示意图。
图8是动铁芯(8)的结构示意图。
图9是图8的左视图。
图10是指示棒的结构示意图。
图11是图10的左视图。
图12是图10的俯视图。
图13是锁扣的结构示意图。
图14是图13的左视图。
图符说明：1.导线；2.自复式短路故障指示器；3.钳形铁芯；4.锁紧弹簧；5.铰链；6.外壳；7.连接铁芯；8.动铁芯；9.定铁芯；10.铆钉；11.压力弹簧；12.拉力弹簧；13.拨快；14.指示棒体；15.指示棒连扳；16.指示棒转动轴；17.配重块；18.锁扣转动轴；19.锁扣钩；20.动铁芯转动轴；21.动铁芯拉力弹簧挂环；22.拨快转动轴；23.拨快转动轴套。
具体实施方式
图1为本发明与导线结合的示意图，图2是图1的左视图；图3是钳形铁芯(3)的开口状态示意图，两块钳形铁芯(3)上装有铰链(5)和锁紧弹簧(4)，可以很方便地将导线钳入铁芯形成的环形磁路之内，可实现带电拆装；图4是本发明内部机构及正常停电状态示意图，本发明自复式短路故障指示器，由铁芯、弹簧、拨块、锁扣、指示棒、外壳组成，所述的铁芯为导磁材料，铁芯由钳形铁芯(3)、定铁芯(9)、连接铁芯(7)和动铁芯(8)组 成，动铁芯(8)和定铁芯(9)接触时形成闭合磁路，动铁芯(8)上有拨快(13)，定铁芯(9)和连接铁芯(7)固定在外壳(6)内，外壳(6)上穿有锁扣转动轴(18)、指示棒转动轴(16)和动铁芯转动轴(20)，动铁芯(8)和外壳(6)之间有拉力弹簧(12)，定铁芯(9)上固定有压力弹簧(11)，当停电时导线没有电流，铁芯内没有磁，拉力弹簧(12)将动铁芯(8)拉在初始状态，拨快(13)不起作用处于随意状态；图5是本发明在正常运行状态时的示意图，当线路运行时导线内有电流，铁芯内感应出磁，磁的吸引力使动铁芯(8)向定铁芯(9)方向运动，动铁芯(8)运动到与压力弹簧(11)接触，由于压力弹簧(11)弹力大，运行的正常电流产生的磁感应吸引力不足以压缩压力弹簧(11)，拨快(13)运动到运行状态位置被压力弹簧阻止；图6是本发明在发生短路故障瞬间的状态示意图，当线路发生短路时，导线内的电流增大到上千安培，铁芯内感应出巨大的磁吸引力，巨大的磁力使动铁芯(8)将压力弹簧(11)压缩，动铁芯(8)与定铁芯(9)闭合，动铁芯(8)带动拨快(13)将锁扣钩(19)打开，指示棒从外壳内跌落，指示故障，图7是本发明在发生短路故障造成停电停电后的状态示意图，巡线人员沿着指示故障的支线查找下去，就能找到发生短路故障的支线或故障点；处理完故障后恢复送电，拨快(13)拨动指示棒连扳(15)使指示棒收起，收起到位后被锁扣钩(19)钩住锁定，恢复到附图5所示的正常运行状态。
图8是动铁芯(8)的结构示意图，图9是图8的左视图，动铁芯(8)上有拨快(13)、动铁芯转动轴(20)、动铁芯拉力弹簧挂环(21)、拨快转动轴(22)和拨快转动轴套(23)。
图10是指示棒的结构示意图，图11是图10的左视图，图12是图10的俯视图，指示棒由指示棒转动轴(16)、指示棒连扳(15)和指示棒体(14)构成，指示棒体(14)可以是圆柱形也可以是棱柱型，指示棒体(14)由轻质耐水材料制成，可以在指示棒体(14)的表面附着有夜晚反光材料。
图13是锁扣的结构示意图，图14是图13的左视图，锁扣由锁扣转动轴(18)、锁扣钩(19)和配重块(17)构成，配重块(17)的作用是保证锁扣钩(19)始终垂直于地面。
外壳(6)有绝缘材料构成，外壳(6)的表面也可以附着有夜晚反光材料，其颜色可以与指示棒体(14)表面附着的颜色分开。
上面结合附图对本发明的实施例作了详细说明，但是本发明并不限于上述实施例，在本领域普通技术人员所具备的知识范围内，还可以在不脱离本发明原理的前提下作出各种变化，如外观形状可以是三角形、半圆形等其他形状以及内部结构各部件的位置变化都属于本发明保护的范畴。

Claims (5)

  1. 自复式短路故障指示器，由铁芯、拨块、锁扣、指示棒、外壳组成，其特征在于：所述的铁芯由钳形铁芯(3)、定铁芯(9)、连接铁芯(7)和动铁芯(8)组成，动铁芯(8)上有拨快(13)，定铁芯(9)和连接铁芯(7)固定在外壳(6)内，锁扣和指示棒通过锁扣转动轴(18)和指示棒转动轴安装在外壳(6)内，动铁芯(8)和外壳(6)之间有拉力弹簧(12)，定铁芯(9)上固定有压力弹簧(11)。
  2. 根据权利要求1所述的自复式短路故障指示器，其特征在于：所述的钳形铁芯(3)为对称的两个部件，钳形铁芯(3)上装有铰链(5)和锁紧弹簧(4)。
  3. 根据权利要求1或权利要求2所述的自复式短路故障指示器，其特征在于：所述的指示棒由指示棒转动轴(16)、指示棒连扳(15)和指示棒体(14)构成。
  4. 根据权利要求1或权利要求2所述的自复式短路故障指示器，其特征在于：所述的锁扣由锁扣转动轴(18)、锁扣钩(19)和配重块(17)构成。
  5. 根据权利要求1或权利要求2所述的自复式短路故障指示器，其特征在于：所述的外壳(6)由绝缘材料构成。
PCT/CN2015/071243 2014-07-01 2015-01-21 自复式短路故障指示器 Ceased WO2016000445A1 (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US14/940,732 US9841453B2 (en) 2014-07-01 2015-11-13 Mechanical self-resetting short-circuit fault indicator

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201410308400.9A CN104076239B (zh) 2014-07-01 2014-07-01 自复式短路故障指示器
CN201410308400.9 2014-07-01

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WO2016000445A1 true WO2016000445A1 (zh) 2016-01-07

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116193777A (zh) * 2023-02-23 2023-05-30 华电国际电力股份有限公司十里泉发电厂 一种新能源电力配网自动化控制箱

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104076239B (zh) * 2014-07-01 2016-09-07 国家电网公司 自复式短路故障指示器
CN108037404B (zh) * 2017-12-07 2020-06-09 国网山东省电力公司烟台供电公司 低压采集终端短路故障报警装置

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3117204A1 (de) * 1981-04-30 1982-11-25 EM Elektro-Mechanik GmbH, 5620 Velbert Kurzschlussanzeiger mit automatischer rueckstellung
DD217640A1 (de) * 1983-06-01 1985-01-16 Energieversorgung Ingbetrieb Kurzschlussstromanzeiger mit automatischer rueckstellung
DE3439940A1 (de) * 1984-11-02 1986-05-15 EM Elektro-Mechanik GmbH, 5620 Velbert Mechanischer kurzschlussanzeiger mit verstellbarer halterung
CN2059506U (zh) * 1989-11-24 1990-07-18 张亮 短路故障指示器
CN2068246U (zh) * 1990-02-16 1990-12-26 能源部武汉高压研究所 预蓄能交流输电线路工频短路接地故障杆塔指示器
CN2177952Y (zh) * 1993-10-20 1994-09-21 武汉高压研究所新技术公司 输电线路短路接地故障指示器
CN2807269Y (zh) * 2005-12-23 2006-08-16 北京铁路局石家庄供电段 绝缘子闪络击穿指示器
CN201007734Y (zh) * 2007-02-14 2008-01-16 兰州银利电器设备有限责任公司 接地故障显示器
CN104076239A (zh) * 2014-07-01 2014-10-01 国家电网公司 自复式短路故障指示器
CN204028272U (zh) * 2014-07-01 2014-12-17 国家电网公司 自复式短路故障指示器

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB695889A (en) * 1950-11-01 1953-08-19 Richard William Langley Improvements in or relating to surge indicating devices for electricity supply systems
US3863145A (en) * 1973-08-29 1975-01-28 Mc Graw Edison Co Electrical fault detecting tool with fuse assembly and power line clamp device
US3902168A (en) * 1974-05-28 1975-08-26 Amp Inc Surge current indicator
US4157520A (en) * 1975-11-04 1979-06-05 Westinghouse Electric Corp. Magnetic flux shifting ground fault trip indicator
DE3628400A1 (de) * 1986-02-17 1987-08-20 Horstmann Gmbh Dipl Ing H Kurzschlussanzeiger
SU1525630A1 (ru) * 1987-12-21 1989-11-30 Армянское Специализированное Проектно-Изыскательское, Научно-Исследовательское И Конструкторское Отделение Всесоюзного Государственного Проектно-Изыскательского И Научно-Исследовательского Института Энергетических Систем И Электрических Сетей "Энергосетьпроект" Устройство дл индикации наличи короткого замыкани
DE4129542C2 (de) * 1991-09-05 1995-01-05 Ansgar Dipl Ing Jeanrenaud Mechanischer Kurzschlußanzeiger mit elektronischer Meldeeinrichtung
CN2132997Y (zh) * 1992-08-29 1993-05-12 大连电业局 电子式电力线短路故障指示器
CN2141571Y (zh) 1992-11-10 1993-09-01 南海县东二电器制造厂 短路故障指示器
WO1994017424A1 (en) * 1993-01-19 1994-08-04 Hydro-Quebec Current surge indicator
CN2255617Y (zh) * 1995-11-04 1997-06-04 林树标 一种短路故障显示装置
CN2255618Y (zh) * 1995-11-10 1997-06-04 林思东 一种短路故障显示装置
CN2391206Y (zh) * 1999-09-17 2000-08-09 赵红羽 电力线路短路故障指示器
CN2522869Y (zh) * 2001-11-05 2002-11-27 侯春明 电力线路短路故障指示器
CN2507017Y (zh) * 2001-11-16 2002-08-21 北京北电创兴电力技术有限公司 电力线路短路故障指示器
CN2591630Y (zh) * 2002-09-30 2003-12-10 叶军旭 输电线路短路故障指示器
CN2718592Y (zh) * 2003-12-26 2005-08-17 付宝奎 中性点低电阻接地方式供电线路故障全功能指示器
JP2006184244A (ja) * 2004-12-28 2006-07-13 Kawamura Electric Inc 漏電チェッカ
CN102901909B (zh) * 2012-10-10 2015-11-18 广东北江开关厂有限公司 一种配电线路的故障指示器

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3117204A1 (de) * 1981-04-30 1982-11-25 EM Elektro-Mechanik GmbH, 5620 Velbert Kurzschlussanzeiger mit automatischer rueckstellung
DD217640A1 (de) * 1983-06-01 1985-01-16 Energieversorgung Ingbetrieb Kurzschlussstromanzeiger mit automatischer rueckstellung
DE3439940A1 (de) * 1984-11-02 1986-05-15 EM Elektro-Mechanik GmbH, 5620 Velbert Mechanischer kurzschlussanzeiger mit verstellbarer halterung
CN2059506U (zh) * 1989-11-24 1990-07-18 张亮 短路故障指示器
CN2068246U (zh) * 1990-02-16 1990-12-26 能源部武汉高压研究所 预蓄能交流输电线路工频短路接地故障杆塔指示器
CN2177952Y (zh) * 1993-10-20 1994-09-21 武汉高压研究所新技术公司 输电线路短路接地故障指示器
CN2807269Y (zh) * 2005-12-23 2006-08-16 北京铁路局石家庄供电段 绝缘子闪络击穿指示器
CN201007734Y (zh) * 2007-02-14 2008-01-16 兰州银利电器设备有限责任公司 接地故障显示器
CN104076239A (zh) * 2014-07-01 2014-10-01 国家电网公司 自复式短路故障指示器
CN204028272U (zh) * 2014-07-01 2014-12-17 国家电网公司 自复式短路故障指示器

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116193777A (zh) * 2023-02-23 2023-05-30 华电国际电力股份有限公司十里泉发电厂 一种新能源电力配网自动化控制箱

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