CN205643658U - Ripple measuring device - Google Patents
Ripple measuring device Download PDFInfo
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- CN205643658U CN205643658U CN201620481620.6U CN201620481620U CN205643658U CN 205643658 U CN205643658 U CN 205643658U CN 201620481620 U CN201620481620 U CN 201620481620U CN 205643658 U CN205643658 U CN 205643658U
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Abstract
本实用新型涉及一种纹波测量装置，它包括在线绝缘监测仪，在线绝缘监测仪的正面的左侧设置有显示屏，在线绝缘监测仪的正面的右侧从上往下依次均匀设置有指示灯，在线绝缘监测仪的左侧的上方安装有绝缘保护壳，绝缘保护壳的右方连接有电流传感器，绝缘保护壳的内部设置有集成电路保护CKJ，集成电路保护CKJ的上端连接有开关K0，集成电路保护CKJ与开关K0并联有电阻R1、电阻R2，能够实时准确地对直流电源纹波含量即纹波电压值进行测量，并当纹波系数超过阈值时，通过指示灯进行报警；总的本实用新型具有能够精确测量直流电路中是否有交流电窜入、并能发出绝缘故障报警的优点。
The utility model relates to a ripple measuring device, which comprises an online insulation monitor, a display screen is arranged on the left side of the front of the online insulation monitor, and indicators are evenly arranged on the right side of the front of the online insulation monitor from top to bottom. Light, an insulating protective case is installed above the left side of the online insulation monitor, a current sensor is connected to the right side of the insulating protective case, an integrated circuit protection CKJ is installed inside the insulating protective case, and a switch K0 is connected to the upper end of the integrated circuit protection CKJ , integrated circuit protection CKJ and switch K0 are connected in parallel with resistance R1 and resistance R2, which can accurately measure the ripple content of the DC power supply in real time, that is, the ripple voltage value, and when the ripple coefficient exceeds the threshold value, an alarm will be given through the indicator light; The utility model has the advantages of being able to accurately measure whether there is alternating current intrusion in the direct current circuit, and to issue an insulation fault alarm.
Description
技术领域technical field
本实用新型属于电力检测技术领域，具体涉及一种纹波测量装置。The utility model belongs to the technical field of electric power detection, in particular to a ripple measuring device.
背景技术Background technique
随着我国电力事业的发展，发电厂、变电站种类繁多，而且大容量发电厂、变电站越来越多，安全发电、输电关系着整个国民经济和人们正常生活，直流系统是发电厂、变电站重要的组成部分，直流系统的安全可靠性影响着发电厂、变电站的安全运行，关系到整个电网的安全生产，为了防止变电站全停及重要客户停电事故，需要增加交流窜直流故障的测量和预警功能。With the development of my country's electric power industry, there are many types of power plants and substations, and there are more and more large-capacity power plants and substations. Safe power generation and transmission are related to the entire national economy and people's normal life. DC systems are important for power plants and substations. As a component, the safety and reliability of the DC system affects the safe operation of power plants and substations, and is related to the safe production of the entire power grid. In order to prevent the complete shutdown of substations and power outages of important customers, it is necessary to increase the measurement and early warning functions of AC and DC faults.
发明内容Contents of the invention
本实用新型的目的是为了克服现有技术的不足，而提供一种能够精确测量直流电路中是否有交流电窜入、并能发出绝缘故障报警的纹波测量装置。The purpose of the utility model is to overcome the deficiencies of the prior art, and provide a ripple measurement device that can accurately measure whether there is alternating current in the DC circuit, and can issue an insulation fault alarm.
本实用新型的目的是这样实现的：一种纹波测量装置，它包括在线绝缘监测仪，所述的在线绝缘监测仪的正面的左侧设置有显示屏，所述的在线绝缘监测仪的正面的右侧从上往下依次均匀设置有指示灯，所述的在线绝缘监测仪的正面的两侧均开设有固定孔，所述的在线绝缘监测仪的左侧的上方安装有绝缘保护壳，所述的绝缘保护壳的右方连接有电流传感器，所述的绝缘保护壳的内部设置有集成电路保护CKJ，所述的集成电路保护CKJ的上端连接有开关K0，所述的集成电路保护CKJ与开关K0并联有电阻R1、电阻R2，所述的集成电路保护CKJ与开关K0的连接处接地，所述的电阻R1与电阻R2的连接处接地。The purpose of this utility model is achieved as follows: a ripple measurement device, which includes an online insulation monitor, a display screen is arranged on the left side of the front of the online insulation monitor, and the front of the online insulation monitor The right side of the on-line insulation monitor is evenly provided with indicator lights in sequence from top to bottom, fixing holes are opened on both sides of the front of the online insulation monitor, and an insulating protective shell is installed above the left side of the online insulation monitor. The right side of the insulating protective shell is connected with a current sensor, the inside of the insulating protective shell is provided with an integrated circuit protection CKJ, the upper end of the integrated circuit protection CKJ is connected to a switch K0, and the integrated circuit protection CKJ A resistor R1 and a resistor R2 are connected in parallel with the switch K0, the connection between the integrated circuit protection CKJ and the switch K0 is grounded, and the connection between the resistor R1 and the resistor R2 is grounded.
所述的指示灯的个数为四个。The number of the indicator lights is four.
所述的固定孔的截面的形状为椭圆形。The shape of the section of the fixing hole is ellipse.
所述的绝缘保护壳通过螺栓与在线绝缘监测仪固定。The insulating protective shell is fixed with the online insulation monitor through bolts.
本实用新型的有益效果：通过增加绝缘保护壳，并在绝缘保护壳的内部设置有集成电路保护CKJ，CKJ的上端连接有开关K0，集成电路保护CKJ与开关K0并联有电阻R1、电阻R2，能够实时准确地对直流电源纹波含量即纹波电压值进行测量，并当纹波系数超过阈值时，通过指示灯进行报警；总的本实用新型具有能够精确测量直流电路中是否有交流电窜入、并能发出绝缘故障报警的优点。The beneficial effects of the utility model: by adding an insulating protective shell, and installing an integrated circuit protection CKJ inside the insulating protective shell, the upper end of CKJ is connected with a switch K0, and the integrated circuit protection CKJ and the switch K0 are connected in parallel with resistors R1 and R2, It can accurately measure the ripple content of the DC power supply in real time, that is, the ripple voltage value, and when the ripple coefficient exceeds the threshold, an alarm will be given through the indicator light; in general, the utility model has the ability to accurately measure whether there is AC current in the DC circuit , And can send out the advantages of insulation fault alarm.
附图说明Description of drawings
图1是本实用新型一种纹波测量装置的结构示意图。Fig. 1 is a structural schematic diagram of a ripple measurement device of the present invention.
图2是本实用新型一种纹波测量装置的集成电路保护CKJ的连接结构示意图。Fig. 2 is a schematic diagram of the connection structure of the integrated circuit protection CKJ of a ripple measurement device of the present invention.
图中：1、在线绝缘监测仪 2、显示屏 3、指示灯 4、固定孔 5、绝缘保护壳 6、电流传感器。In the figure: 1. On-line insulation monitor 2. Display 3. Indicator light 4. Fixing hole 5. Insulation protective case 6. Current sensor.
具体实施方式detailed description
下面结合附图对本实用新型做进一步的说明。Below in conjunction with accompanying drawing, the utility model is described further.
实施例1Example 1
如图1和图2所示，一种纹波测量装置，它包括在线绝缘监测仪1，所述的在线绝缘监测仪1的正面的左侧设置有显示屏2，所述的在线绝缘监测仪1的正面的右侧从上往下依次均匀设置有指示灯3，所述的在线绝缘监测仪1的正面的两侧均开设有固定孔4，所述的在线绝缘监测仪1的左侧的上方安装有绝缘保护壳5，所述的绝缘保护壳5的右方连接有电流传感器6，所述的绝缘保护壳5的内部设置有集成电路保护CKJ，所述的集成电路保护CKJ的上端连接有开关K0，所述的集成电路保护CKJ与开关K0并联有电阻R1、电阻R2，所述的集成电路保护CKJ与开关K0的连接处接地，所述的电阻R1与电阻R2的连接处接地。As shown in Figures 1 and 2, a ripple measurement device includes an online insulation monitor 1, a display screen 2 is arranged on the left side of the front of the online insulation monitor 1, and the online insulation monitor 1 The right side of the front of 1 is evenly provided with indicator lights 3 from top to bottom, and both sides of the front of the online insulation monitor 1 are provided with fixing holes 4, and the left side of the online insulation monitor 1 An insulating protective case 5 is installed on the top, and a current sensor 6 is connected to the right of the insulating protective case 5. The inside of the insulating protective case 5 is provided with an integrated circuit protection CKJ, and the upper end of the integrated circuit protection CKJ is connected to There is a switch K0, the integrated circuit protection CKJ and the switch K0 are connected in parallel with resistors R1 and R2, the connection between the integrated circuit protection CKJ and the switch K0 is grounded, and the connection between the resistor R1 and the resistor R2 is grounded.
本实用新型实施时，根据测量的电流大小，选择合适的电流传感器6，将电流传感器6接入在线绝缘监测仪1，然后将电流传感器6的通孔套接在需要测量的电线上进行纹波的测量；通过增加绝缘保护壳5，并在绝缘保护壳5的内部设置有集成电路保护CKJ，CKJ的上端连接有开关K0，集成电路保护CKJ与开关K0并联有电阻R1、电阻R2，能够实时准确地对直流电源纹波含量即纹波电压值进行测量，并当纹波系数超过阈值时，通过指示灯进行报警；总的本实用新型具有能够精确测量直流电路中是否有交流电窜入、并能发出绝缘故障报警的优点。When the utility model is implemented, according to the measured current size, select a suitable current sensor 6, connect the current sensor 6 to the online insulation monitor 1, and then connect the through hole of the current sensor 6 to the electric wire to be measured for ripple measurement; by increasing the insulating protective shell 5, and installing an integrated circuit protection CKJ inside the insulating protective shell 5, the upper end of CKJ is connected with a switch K0, and the integrated circuit protection CKJ and the switch K0 are connected in parallel with a resistor R1 and a resistor R2, which can be real-time Accurately measure the ripple content of the DC power supply, that is, the ripple voltage value, and when the ripple coefficient exceeds the threshold, an alarm is given through the indicator light; in general, the utility model has the ability to accurately measure whether there is AC intrusion in the DC circuit, and The advantage of being able to issue an insulation fault alarm.
实施例2Example 2
如图1和图2所示，一种纹波测量装置，它包括在线绝缘监测仪1，所述的在线绝缘监测仪1的正面的左侧设置有显示屏2，所述的在线绝缘监测仪1的正面的右侧从上往下依次均匀设置有指示灯3，所述的在线绝缘监测仪1的正面的两侧均开设有固定孔4，所述的在线绝缘监测仪1的左侧的上方安装有绝缘保护壳5，所述的绝缘保护壳5的右方连接有电流传感器6，所述的绝缘保护壳5的内部设置有集成电路保护CKJ，所述的集成电路保护CKJ的上端连接有开关K0，所述的集成电路保护CKJ与开关K0并联有电阻R1、电阻R2，所述的集成电路保护CKJ与开关K0的连接处接地，所述的电阻R1与电阻R2的连接处接地，所述的指示灯3的个数为四个，所述的固定孔4的截面的形状为椭圆形，所述的绝缘保护壳5通过螺栓与在线绝缘监测仪1固定。As shown in Figures 1 and 2, a ripple measurement device includes an online insulation monitor 1, a display screen 2 is arranged on the left side of the front of the online insulation monitor 1, and the online insulation monitor 1 The right side of the front of 1 is evenly provided with indicator lights 3 from top to bottom, and both sides of the front of the online insulation monitor 1 are provided with fixing holes 4, and the left side of the online insulation monitor 1 An insulating protective case 5 is installed on the top, and a current sensor 6 is connected to the right of the insulating protective case 5. The inside of the insulating protective case 5 is provided with an integrated circuit protection CKJ, and the upper end of the integrated circuit protection CKJ is connected to There is a switch K0, the integrated circuit protection CKJ and the switch K0 are connected in parallel with resistors R1 and R2, the connection between the integrated circuit protection CKJ and the switch K0 is grounded, and the connection between the resistor R1 and the resistor R2 is grounded, The number of the indicator lights 3 is four, the cross section of the fixing hole 4 is oval, and the insulating protective shell 5 is fixed with the online insulation monitor 1 by bolts.
本实用新型实施时，根据测量的电流大小，选择合适的电流传感器6，将电流传感器6接入在线绝缘监测仪1，然后将电流传感器6的通孔套接在需要测量的电线上进行纹波的测量；通过增加绝缘保护壳5，并在绝缘保护壳5的内部设置有集成电路保护CKJ，CKJ的上端连接有开关K0，集成电路保护CKJ与开关K0并联有电阻R1、电阻R2，能够实时准确地对直流电源纹波含量即纹波电压值进行测量，并当纹波系数超过阈值时，通过指示灯进行报警；优选的，固定孔4的截面的形状为椭圆形，便于使用销钉对在线绝缘检测仪1的面板进行固定；绝缘保护壳5通过螺栓与在线绝缘监测仪1固定，便于绝缘保护壳5的安装与拆卸；总的本实用新型具有能够精确测量直流电路中是否有交流电窜入、并能发出绝缘故障报警的优点。When the utility model is implemented, according to the measured current size, select a suitable current sensor 6, connect the current sensor 6 to the online insulation monitor 1, and then connect the through hole of the current sensor 6 to the electric wire to be measured for ripple measurement; by increasing the insulating protective shell 5, and installing an integrated circuit protection CKJ inside the insulating protective shell 5, the upper end of CKJ is connected with a switch K0, and the integrated circuit protection CKJ and the switch K0 are connected in parallel with a resistor R1 and a resistor R2, which can be real-time Accurately measure the ripple content of the DC power supply, that is, the ripple voltage value, and when the ripple coefficient exceeds the threshold value, an alarm is given through the indicator light; preferably, the shape of the cross section of the fixing hole 4 is oval, which is convenient for using pins to align The panel of the insulation detector 1 is fixed; the insulation protection shell 5 is fixed with the on-line insulation monitor 1 by bolts, which is convenient for the installation and disassembly of the insulation protection shell 5; in general, the utility model has the ability to accurately measure whether there is alternating current in the DC circuit. , And can send out the advantages of insulation fault alarm.
Claims (4)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620481620.6U CN205643658U (en) | 2016-05-25 | 2016-05-25 | Ripple measuring device |
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| CN201620481620.6U CN205643658U (en) | 2016-05-25 | 2016-05-25 | Ripple measuring device |
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| CN205643658U true CN205643658U (en) | 2016-10-12 |
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| CN201620481620.6U Expired - Fee Related CN205643658U (en) | 2016-05-25 | 2016-05-25 | Ripple measuring device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112924744A (en) * | 2019-12-06 | 2021-06-08 | 新疆金风科技股份有限公司 | Ripple current measuring method and device, computer equipment and coil assembly |
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2016
- 2016-05-25 CN CN201620481620.6U patent/CN205643658U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112924744A (en) * | 2019-12-06 | 2021-06-08 | 新疆金风科技股份有限公司 | Ripple current measuring method and device, computer equipment and coil assembly |
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