CN104375060A - Fault indicator - Google Patents
Fault indicator Download PDFInfo
- Publication number
- CN104375060A CN104375060A CN201410712519.2A CN201410712519A CN104375060A CN 104375060 A CN104375060 A CN 104375060A CN 201410712519 A CN201410712519 A CN 201410712519A CN 104375060 A CN104375060 A CN 104375060A
- Authority
- CN
- China
- Prior art keywords
- circuit
- electrically connected
- display
- sensor
- fault indicator
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 230000004048 modification Effects 0.000 claims abstract description 30
- 238000012986 modification Methods 0.000 claims abstract description 30
- 238000001514 detection method Methods 0.000 claims abstract description 14
- 125000006850 spacer group Chemical group 0.000 claims description 13
- 230000007246 mechanism Effects 0.000 claims description 7
- 238000003825 pressing Methods 0.000 claims description 5
- 238000002788 crimping Methods 0.000 claims description 2
- 238000004891 communication Methods 0.000 abstract description 8
- 230000008859 change Effects 0.000 abstract description 5
- 230000006872 improvement Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
Landscapes
- Locating Faults (AREA)
Abstract
本发明公开了故障指示器，包括底座、卡线装置和检测判断系统，检测判断系统包括传感器、控制电路和显示电路，传感器的线圈连接在卡线装置上，传感器和控制电路电连接，控制电路和显示电路电连接，故障指示器包括无线接收器，控制电路包括显示辅助电路和参数修改电路，传感器和显示辅助电路电连接，显示辅助电路和显示电路电连接，无线接收器和参数修改电路电连接，参数修改电路和显示辅助电路电连接。当线缆的运行方式和负荷结构发生变化时，通信终端发出参数修改指令，无线接收器接收无线信号并将其转化为电信号发送给参数修改电路，参数修改电路得电和显示辅助电路连通，显示辅助电路上参数改变，提高故障检测正确率。
The invention discloses a fault indicator, which includes a base, a wire clamping device and a detection and judgment system, the detection and judgment system includes a sensor, a control circuit and a display circuit, the coil of the sensor is connected to the wire clamping device, the sensor and the control circuit are electrically connected, and the control circuit It is electrically connected to the display circuit, the fault indicator includes a wireless receiver, the control circuit includes a display auxiliary circuit and a parameter modification circuit, the sensor is electrically connected to the display auxiliary circuit, the display auxiliary circuit is electrically connected to the display circuit, and the wireless receiver is electrically connected to the parameter modification circuit. Connection, parameter modification circuit and display auxiliary circuit are electrically connected. When the operation mode and load structure of the cable change, the communication terminal sends a parameter modification command, the wireless receiver receives the wireless signal and converts it into an electrical signal and sends it to the parameter modification circuit, the parameter modification circuit is powered and connected to the display auxiliary circuit, Display parameter changes on the auxiliary circuit to improve the correct rate of fault detection.
Description
技术领域technical field
本发明涉及电力系统领域，具体涉及故障指示器。The invention relates to the field of power systems, in particular to a fault indicator.
背景技术Background technique
常规的配电线路在线监测采集终端功能简单，仅采集线路的故障信息通过单向通信的小无线通信方式传送给配电线路在线监测通信终端，不支持远程控制命令及参数设置命令，这使得采集终端在装上线路之后就无法或比较困难进行工况监测及参数修改，从而导致了采集终端的参数无法很好的配合线路实际运行情况，增加了采集终端的故障误报率和漏报率。Conventional distribution line online monitoring and collection terminals have simple functions. Only the fault information of the collection line is transmitted to the distribution line online monitoring communication terminal through a small wireless communication method of one-way communication. It does not support remote control commands and parameter setting commands, which makes the collection After the terminal is installed on the line, it is impossible or difficult to monitor the working condition and modify the parameters, which leads to the fact that the parameters of the collection terminal cannot be well matched with the actual operation of the line, which increases the false alarm rate and false negative rate of the collection terminal.
发明内容Contents of the invention
本发明所要解决的问题是提供故障指示器，能够远程修改参数以适应线缆的实际运行情况，提高故障检测正确率。The problem to be solved by the present invention is to provide a fault indicator, which can remotely modify parameters to adapt to the actual operation of the cable and improve the correct rate of fault detection.
为了解决上述技术问题，本发明采用如下技术方案：故障指示器，包括底座、设在底座顶部的卡线装置以及设在底座内部的检测判断系统，所述检测判断系统包括传感器、控制电路和显示电路，所述传感器具有线圈，所述线圈连接在卡线装置上，所述传感器和控制电路电连接，所述控制电路和显示电路电连接，故障指示器包括无线接收器，所述控制电路包括显示辅助电路和参数修改电路，所述传感器的信号输出端和显示辅助电路的信号输入端电连接，所述显示辅助电路的信号输出端和显示电路的信号输入端电连接，所述无线接收器的信号输出端和参数修改电路的信号输入端电连接，所述参数修改电路的信号输出端和显示辅助电路的信号输入端电连接。当线缆的运行方式和负荷结构发生变化时，通信终端发出参数修改指令，无线接收器接收无线信号并将其转化为电信号发送给参数修改电路，参数修改电路得电和显示辅助电路连通，显示辅助电路上参数改变，传感器感测电信号并将其发送给显示辅助电路，显示辅助电路接收电信号并比对修改后的参数进行逻辑判断，若线缆发生故障，显示辅助电路向显示电路发送电信号，显示电路得电显示故障，实现远程修改参数以适应线缆的实际运行情况，提高故障检测正确率。In order to solve the above-mentioned technical problems, the present invention adopts the following technical solutions: the fault indicator includes a base, a clamping device arranged on the top of the base, and a detection and judgment system inside the base, and the detection and judgment system includes a sensor, a control circuit and a display circuit, the sensor has a coil, the coil is connected to the clamping device, the sensor is electrically connected to the control circuit, the control circuit is electrically connected to the display circuit, the fault indicator includes a wireless receiver, and the control circuit includes A display auxiliary circuit and a parameter modification circuit, the signal output end of the sensor is electrically connected to the signal input end of the display auxiliary circuit, the signal output end of the display auxiliary circuit is electrically connected to the signal input end of the display circuit, and the wireless receiver The signal output end of the parameter modification circuit is electrically connected to the signal input end of the parameter modification circuit, and the signal output end of the parameter modification circuit is electrically connected to the signal input end of the display auxiliary circuit. When the operation mode and load structure of the cable change, the communication terminal sends a parameter modification command, the wireless receiver receives the wireless signal and converts it into an electrical signal and sends it to the parameter modification circuit, the parameter modification circuit is powered and connected to the display auxiliary circuit, When the parameters on the display auxiliary circuit change, the sensor senses the electrical signal and sends it to the display auxiliary circuit, and the display auxiliary circuit receives the electrical signal and compares the modified parameters to make a logical judgment. Send electrical signals to display the fault when the circuit is energized, realize remote modification of parameters to adapt to the actual operation of the cable, and improve the accuracy of fault detection.
改进的，故障指示器包括参数检测器和无线发射器，所述参数检测器的信号输入端和无线接收器的信号输出端电连接，所述参数检测器的信号输入端和参数修改电路的信号输出端电连接，所述参数检测器的信号输出端和无线发射器的信号输出端电连接。若要查询参数，通信终端发出参数查询命令，无线接收器接收无线信号并将其转化为电信号发送给参数检测器，参数检测器得电和参数修改电路连通，参数检测器检测到参数并将其发送给无线发射器，无线发射器将其转化为无线信号后发送给通信终端，远程获取即时参数，实现参数的规范、有效管理，提高配网设备管理的信息化及规范化水平。Improved, the fault indicator includes a parameter detector and a wireless transmitter, the signal input end of the parameter detector is electrically connected to the signal output end of the wireless receiver, the signal input end of the parameter detector is connected to the signal of the parameter modification circuit The output end is electrically connected, and the signal output end of the parameter detector is electrically connected with the signal output end of the wireless transmitter. To query parameters, the communication terminal sends a parameter query command, the wireless receiver receives the wireless signal and converts it into an electrical signal and sends it to the parameter detector, the parameter detector is powered and the parameter modification circuit is connected, the parameter detector detects the parameter and It is sent to the wireless transmitter, and the wireless transmitter converts it into a wireless signal and sends it to the communication terminal to obtain real-time parameters remotely, realize parameter specification and effective management, and improve the informatization and standardization level of distribution network equipment management.
改进的，所述传感器包括接地传感器，所述显示辅助电路包括翻牌辅助电路，所述显示电路包括翻牌电路，所述接地传感器和翻牌辅助电路电连接，所述翻牌辅助电路和翻牌电路电连接，所述翻牌电路中电连接有步进电机，所述步进电机传动连接有翻牌机构，所述翻牌机构转动连接在底座的底部。接地传感器感测到电信号并将其发送给翻牌辅助电路，翻牌辅助电路接收电信号并进行逻辑判断，若判断为接地故障则向翻牌电路发送电信号，翻牌电路得电，步进电机转过一定角度，翻牌机构跟随步进电机转动表明接地故障。As an improvement, the sensor includes a ground sensor, the display auxiliary circuit includes a flop auxiliary circuit, the display circuit includes a flop circuit, the ground sensor is electrically connected to the flop auxiliary circuit, and the flop auxiliary circuit is connected to the flop auxiliary circuit. The card circuit is electrically connected, and a stepping motor is electrically connected to the card turning circuit, and the stepping motor is connected to a card turning mechanism, and the turning mechanism is connected to the bottom of the base in rotation. The ground sensor senses the electrical signal and sends it to the flop auxiliary circuit. The flop auxiliary circuit receives the electrical signal and makes a logical judgment. If it is judged to be a ground fault, it sends an electrical signal to the flop circuit. The flop circuit is energized, step by step The stepper motor rotates through a certain angle, and the flop mechanism follows the stepper motor to indicate a ground fault.
改进的，所述传感器包括短路传感器，所述显示辅助电路包括闪光辅助电路，所述显示电路包括闪光电路，所述短路传感器和闪光辅助电路电连接，所述闪光辅助电路和闪光电路电连接，所述闪光电路中电连接有闪光灯，所述闪光灯连接在底座上。短路传感器感测到电信号并将其发送给闪光辅助电路，闪光辅助电路接收电信号并进行逻辑判断，若判断为短路故障则向闪光电路发送电信号，闪光电路得电，闪光灯闪烁表明短路故障。As an improvement, the sensor includes a short circuit sensor, the display auxiliary circuit includes a flash auxiliary circuit, the display circuit includes a flash circuit, the short circuit sensor is electrically connected to the flash auxiliary circuit, the flash auxiliary circuit is electrically connected to the flash circuit, A flash lamp is electrically connected to the flash circuit, and the flash lamp is connected to the base. The short-circuit sensor senses the electrical signal and sends it to the flash auxiliary circuit. The flash auxiliary circuit receives the electrical signal and makes a logical judgment. If it is judged to be a short-circuit fault, it sends an electrical signal to the flash circuit. The flash circuit is powered, and the flash flashes to indicate a short-circuit fault. .
改进的，所述控制电路中电连接有独立电源。保证线缆出故障后故障指示器还能够工作，线缆正常时故障指示器能够从线缆上得电以保证正常运行。As an improvement, an independent power supply is electrically connected to the control circuit. Ensure that the fault indicator can still work after the cable fails, and when the cable is normal, the fault indicator can be powered from the cable to ensure normal operation.
改进的，所述卡线装置包括垫块和两个动板，所述动板通过扭簧可转动地铰接在底座上，两个动板的的上端抵接，所述垫块连接在底座上且位于两个动板之间，所述垫块的一端和其中一个动板的下端部抵接，所述垫块的另一端和另一个动板的的下端部抵接，所述垫块和两个动板构成导磁回路，所述传感器的线圈定位在垫块内部。垫块和两个动板围成环，动板转动可使环封闭或形成缺口，进而实现将故障指示器挂接到线缆上，线缆穿过环，线缆和传感器中的线圈通过导磁回路形成互感电路，传感器感测线缆的电流。As an improvement, the wire clamping device includes a spacer and two moving plates, the moving plate is rotatably hinged on the base through a torsion spring, the upper ends of the two moving plates abut, and the spacer is connected to the base And it is located between two moving plates, one end of the spacer is in contact with the lower end of one of the moving plates, the other end of the spacer is in contact with the lower end of the other moving plate, the spacer and the lower end of the other moving plate are in contact. The two moving plates form a magnetic circuit, and the coil of the sensor is positioned inside the block. The block and the two movable plates form a ring, and the rotation of the movable plate can close the ring or form a gap, so that the fault indicator can be hooked to the cable, the cable passes through the ring, and the coil in the cable and the sensor passes through the conductor. The magnetic circuit forms a mutual induction circuit, and the sensor senses the current of the cable.
改进的，所述卡线装置包括铰接在底座上的扭簧，所述扭簧成形有用于将线缆按压在垫块上的压线部。通过压线部将线缆紧紧压在垫块上，防止故障指示器在线缆上滑动。As an improvement, the cable clamping device includes a torsion spring hinged on the base, and the torsion spring is formed with a cable pressing part for pressing the cable on the pad. Tightly press the cable on the spacer through the crimping part to prevent the fault indicator from sliding on the cable.
有益效果：Beneficial effect:
采用上述技术方案后，该发明故障指示器，故障指示器，包括底座、设在底座顶部的卡线装置以及设在底座内部的检测判断系统，所述检测判断系统包括传感器、控制电路和显示电路，所述传感器具有线圈，所述线圈连接在卡线装置上，所述传感器和控制电路电连接，所述控制电路和显示电路电连接，故障指示器包括无线接收器，所述控制电路包括显示辅助电路和参数修改电路，所述传感器的信号输出端和显示辅助电路的信号输入端电连接，所述显示辅助电路的信号输出端和显示电路的信号输入端电连接，所述无线接收器的信号输出端和参数修改电路的信号输入端电连接，所述参数修改电路的信号输出端和显示辅助电路的信号输入端电连接。当线缆的运行方式和负荷结构发生变化时，通信终端发出参数修改指令，无线接收器接收无线信号并将其转化为电信号发送给参数修改电路，参数修改电路得电和显示辅助电路连通，显示辅助电路上参数改变，传感器感测电信号并将其发送给显示辅助电路，显示辅助电路接收电信号并比对修改后的参数进行逻辑判断，若线缆发生故障，显示辅助电路向显示电路发送电信号，显示电路得电显示故障，实现远程修改参数以适应线缆的实际运行情况，提高故障检测正确率。After adopting the above technical solution, the fault indicator of the invention, the fault indicator, includes a base, a clamping device arranged on the top of the base, and a detection and judgment system inside the base, and the detection and judgment system includes a sensor, a control circuit and a display circuit , the sensor has a coil, the coil is connected to the clamping device, the sensor is electrically connected to the control circuit, the control circuit is electrically connected to the display circuit, the fault indicator includes a wireless receiver, and the control circuit includes a display The auxiliary circuit and the parameter modification circuit, the signal output end of the sensor is electrically connected to the signal input end of the display auxiliary circuit, the signal output end of the display auxiliary circuit is electrically connected to the signal input end of the display circuit, and the wireless receiver The signal output end is electrically connected to the signal input end of the parameter modification circuit, and the signal output end of the parameter modification circuit is electrically connected to the signal input end of the display auxiliary circuit. When the operation mode of the cable and the load structure change, the communication terminal sends a parameter modification command, the wireless receiver receives the wireless signal and converts it into an electrical signal and sends it to the parameter modification circuit, the parameter modification circuit is powered and connected to the display auxiliary circuit, When the parameters on the display auxiliary circuit change, the sensor senses the electrical signal and sends it to the display auxiliary circuit, and the display auxiliary circuit receives the electrical signal and compares the modified parameters to make a logical judgment. Send electrical signals to display the fault when the circuit is energized, realize remote modification of parameters to adapt to the actual operation of the cable, and improve the accuracy of fault detection.
附图说明Description of drawings
下面结合附图对本发明的具体实施方式作进一步说明：The specific embodiment of the present invention will be further described below in conjunction with accompanying drawing:
图1为本发明故障指示器的主视图；Fig. 1 is the front view of fault indicator of the present invention;
图2为本发明故障指示器的侧视图；Fig. 2 is the side view of fault indicator of the present invention;
图3为本发明故障指示器的俯视图；Fig. 3 is the top view of fault indicator of the present invention;
图4为故障指示器内部各部件的连接示意图。Figure 4 is a schematic diagram of the connection of various components inside the fault indicator.
具体实施方式Detailed ways
如图1至图4所示，故障指示器，包括底座1、设在底座顶部的卡线装置以及设在底座内部的检测判断系统。As shown in FIGS. 1 to 4 , the fault indicator includes a base 1 , a clamping device on the top of the base, and a detection and judgment system inside the base.
所述卡线装置包括垫块21和两个动板22，所述动板通过扭簧23可转动地铰接在底座上，两个动板的的上端抵接，所述垫块连接在底座上且位于两个动板之间，所述垫块的一端和其中一个动板的下端部抵接，所述垫块的另一端和另一个动板的的下端部抵接，所述垫块和两个动板构成导磁回路，垫块和两个动板围成环，动板转动可使环封闭或形成缺口，进而实现将故障指示器挂接到线缆上，线缆穿过环，所述卡线装置还包括铰接在底座上的扭簧24，所述扭簧成形有用于将线缆按压在垫块上的压线部25。The clamping device includes a pad 21 and two movable plates 22, the movable plate is rotatably hinged on the base through a torsion spring 23, the upper ends of the two movable plates abut, and the pads are connected to the base And it is located between two moving plates, one end of the spacer is in contact with the lower end of one of the moving plates, the other end of the spacer is in contact with the lower end of the other moving plate, the spacer and the lower end of the other moving plate are in contact. The two moving plates form a magnetic circuit, and the block and the two moving plates form a ring. The rotation of the moving plate can close the ring or form a gap, and then the fault indicator can be hooked to the cable, and the cable passes through the ring. The cable clamping device also includes a torsion spring 24 hinged on the base, and the torsion spring is formed with a pressing part 25 for pressing the cable on the pad.
所述检测判断系统包括传感器4、控制电路3和显示电路5，所述传感器具有线圈，所述线圈定位在垫块内部，线圈和线缆通过导磁回路形成互感电路。故障指示器包括无线接收器6，所述控制电路包括显示辅助电路31和参数修改电路32，所述传感器的信号输出端和显示辅助电路的信号输入端电连接，所述显示辅助电路的信号输出端和显示电路的信号输入端电连接，所述无线接收器的信号输出端和参数修改电路的信号输入端电连接，所述参数修改电路的信号输出端和显示辅助电路的信号输入端电连接。故障指示器包括参数检测器33和无线发射器7，所述参数检测器的信号输入端和无线接收器的信号输出端电连接，所述参数检测器的信号输入端和参数修改电路的信号输出端电连接，所述参数检测器的信号输出端和无线发射器的信号输出端电连接。所述控制电路中电连接有独立电源8。The detection and judgment system includes a sensor 4, a control circuit 3 and a display circuit 5, the sensor has a coil, the coil is positioned inside the block, and the coil and the cable form a mutual inductance circuit through a magnetic conduction circuit. The fault indicator includes a wireless receiver 6, the control circuit includes a display auxiliary circuit 31 and a parameter modification circuit 32, the signal output end of the sensor is electrically connected to the signal input end of the display auxiliary circuit, and the signal output of the display auxiliary circuit terminal is electrically connected to the signal input terminal of the display circuit, the signal output terminal of the wireless receiver is electrically connected to the signal input terminal of the parameter modification circuit, and the signal output terminal of the parameter modification circuit is electrically connected to the signal input terminal of the display auxiliary circuit . The fault indicator includes a parameter detector 33 and a wireless transmitter 7, the signal input end of the parameter detector is electrically connected with the signal output end of the wireless receiver, the signal input end of the parameter detector is connected with the signal output of the parameter modification circuit The terminals are electrically connected, and the signal output terminal of the parameter detector is electrically connected with the signal output terminal of the wireless transmitter. An independent power supply 8 is electrically connected to the control circuit.
所述传感器包括接地传感器41和短路传感器42，所述显示辅助电路包括翻牌辅助电路311和闪光辅助电路312，所述显示电路包括翻牌电路51和闪光电路52，所述接地传感器和翻牌辅助电路电连接，所述翻牌辅助电路和翻牌电路电连接，所述翻牌电路中电连接有步进电机511，所述步进电机传动连接有翻牌机构26，所述翻牌机构转动连接在底座的底部，所述短路传感器和闪光辅助电路电连接，所述闪光辅助电路和闪光电路电连接，所述闪光电路中电连接有闪光灯27，所述闪光灯连接在底座上。The sensor includes a grounding sensor 41 and a short circuit sensor 42, the display auxiliary circuit includes a flipping auxiliary circuit 311 and a flashing auxiliary circuit 312, the display circuit includes a flipping circuit 51 and a flashing circuit 52, the grounding sensor and flipping Auxiliary circuit is electrically connected, and described card turning auxiliary circuit is electrically connected with turning circuit, and stepping motor 511 is electrically connected in described turning circuit, and described stepping motor transmission is connected with turning mechanism 26, and described turning mechanism Rotationally connected to the bottom of the base, the short circuit sensor is electrically connected to the flash auxiliary circuit, the flash auxiliary circuit is electrically connected to the flash circuit, the flash circuit is electrically connected to a flash lamp 27, and the flash lamp is connected to the base.
除上述优选实施例外，本发明还有其他的实施方式，本领域技术人员可以根据本发明作出各种改变和变形，只要不脱离本发明的精神，均应属于本发明所附权利要求所定义的范围。Except above-mentioned preferred embodiment, the present invention also has other implementation modes, and those skilled in the art can make various changes and distortions according to the present invention, as long as not departing from the spirit of the present invention, all should belong to the scope defined in the appended claims of the present invention scope.
Claims (7)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410712519.2A CN104375060A (en) | 2014-11-28 | 2014-11-28 | Fault indicator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410712519.2A CN104375060A (en) | 2014-11-28 | 2014-11-28 | Fault indicator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104375060A true CN104375060A (en) | 2015-02-25 |
Family
ID=52554097
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410712519.2A Pending CN104375060A (en) | 2014-11-28 | 2014-11-28 | Fault indicator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104375060A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104849622A (en) * | 2015-06-09 | 2015-08-19 | 天津智联恒信电力设备股份有限公司 | Power transmission line fault indicator |
| CN104865490A (en) * | 2015-06-09 | 2015-08-26 | 天津智联恒信电力设备股份有限公司 | Indicator used for power transmission line fault indication |
| CN106019085A (en) * | 2016-06-24 | 2016-10-12 | 国网山东省电力公司寿光市供电公司 | Whistling type fault indicator for 10kV line |
| CN107132446A (en) * | 2017-06-26 | 2017-09-05 | 宁波功成电气有限公司 | A kind of fault detector of high reliability, high precision |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2898846Y (en) * | 2006-05-26 | 2007-05-09 | 赵红羽 | Short-circuit and grounded-fault indicator |
| CN201133927Y (en) * | 2008-01-04 | 2008-10-15 | 北京科锐配电自动化股份有限公司 | Fault indicator line-cliping structure |
| CN101738565A (en) * | 2010-01-14 | 2010-06-16 | 北京双杰电气股份有限公司 | Adaptive fault indicator |
| CN202886531U (en) * | 2012-10-16 | 2013-04-17 | 航天科工深圳（集团）有限公司 | Overhead fault indicator |
| CN202886496U (en) * | 2012-10-17 | 2013-04-17 | 北京清畅电力技术股份有限公司 | Fault indicator |
| CN104007362A (en) * | 2014-05-12 | 2014-08-27 | 国家电网公司 | Pole and tower power transmission line fault indicator |
| CN203965570U (en) * | 2014-07-21 | 2014-11-26 | 国网上海市电力公司 | A kind of distribution line failure indicator |
| CN204214992U (en) * | 2014-11-28 | 2015-03-18 | 国家电网公司 | Fault detector |
-
2014
- 2014-11-28 CN CN201410712519.2A patent/CN104375060A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2898846Y (en) * | 2006-05-26 | 2007-05-09 | 赵红羽 | Short-circuit and grounded-fault indicator |
| CN201133927Y (en) * | 2008-01-04 | 2008-10-15 | 北京科锐配电自动化股份有限公司 | Fault indicator line-cliping structure |
| CN101738565A (en) * | 2010-01-14 | 2010-06-16 | 北京双杰电气股份有限公司 | Adaptive fault indicator |
| CN202886531U (en) * | 2012-10-16 | 2013-04-17 | 航天科工深圳（集团）有限公司 | Overhead fault indicator |
| CN202886496U (en) * | 2012-10-17 | 2013-04-17 | 北京清畅电力技术股份有限公司 | Fault indicator |
| CN104007362A (en) * | 2014-05-12 | 2014-08-27 | 国家电网公司 | Pole and tower power transmission line fault indicator |
| CN203965570U (en) * | 2014-07-21 | 2014-11-26 | 国网上海市电力公司 | A kind of distribution line failure indicator |
| CN204214992U (en) * | 2014-11-28 | 2015-03-18 | 国家电网公司 | Fault detector |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104849622A (en) * | 2015-06-09 | 2015-08-19 | 天津智联恒信电力设备股份有限公司 | Power transmission line fault indicator |
| CN104865490A (en) * | 2015-06-09 | 2015-08-26 | 天津智联恒信电力设备股份有限公司 | Indicator used for power transmission line fault indication |
| CN106019085A (en) * | 2016-06-24 | 2016-10-12 | 国网山东省电力公司寿光市供电公司 | Whistling type fault indicator for 10kV line |
| CN107132446A (en) * | 2017-06-26 | 2017-09-05 | 宁波功成电气有限公司 | A kind of fault detector of high reliability, high precision |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104375060A (en) | Fault indicator | |
| CN206774470U (en) | New Type of Low Voltage Circuit Breaker with Data Detection function | |
| CN104964636B (en) | State real-time detection method and system are moved back in a kind of throwing of electric protection device output clamping | |
| CN108777404A (en) | A kind of intelligent socket and power consuming administrative system based on NFC | |
| CN204214992U (en) | Fault detector | |
| CN204188733U (en) | A kind of fault detector | |
| CN204330138U (en) | Dry-type transformer winding real-time temperature analysis monitoring device | |
| CN106655511A (en) | Power pressing plate with state output | |
| CN104407250A (en) | Fault indicator | |
| CN207354244U (en) | A kind of lifting cross sliding type mechanical parking equipment close to switching device | |
| CN207636205U (en) | A new temperature and humidity monitoring and warning system | |
| CN206906827U (en) | A kind of contact power supply type high-voltage electriferous display locking device | |
| CN206378569U (en) | A kind of voltage relay abnormal detector | |
| CN208094424U (en) | A kind of alarm for power-off power device | |
| CN206226122U (en) | A kind of electric power pressure plate of carrier state output | |
| CN107968480B (en) | A power emergency automatic management device | |
| CN204349988U (en) | A kind of pressing plate status information collection collecting system based on Beidou satellite communication | |
| CN206349812U (en) | A kind of intelligent pressure plate of carrier state detection | |
| CN104157118A (en) | Wireless temperature measurement equipment for high-tension switch cabinet | |
| CN204925280U (en) | Power grid equipment fault detection alarm | |
| CN207409110U (en) | A kind of intelligent anti-transformer line combined floodgate alarm dedicated unit with ground | |
| CN204596052U (en) | The online monitoring for protection device of far infrared for transformer | |
| CN215182388U (en) | STM 32-based transformer fault outage automatic alarm system | |
| CN202453696U (en) | Alarming device for image examination power loss of electric equipment | |
| CN220795356U (en) | Automatic detection device for grounding resistance of distribution box |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150225 |