Electroscope device for 1100kV GIS
By designing a current collector induction voltage tester device on a 1100kV GIS device, the problem in the prior art is difficult to effectively detect the voltage of the high-voltage switching equipment while ensuring sealing, and a safe and reliable power test function is achieved, and the advantages of low cost and easy maintenance are provided.
Patent Information
- Application Number
- CN202421608888.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-09
- Publication Date
- 2025-05-30
- Estimated Expiration
- 2034-07-09
AI Technical Summary
In the field of high-voltage switch technology, the existing 1100kV GIS (gas insulated high-voltage switch) electrical tester devices are difficult to effectively detect voltage while ensuring the sealing of the busbar equipment, which poses safety hazards.
A 1100kV GIS electrical tester device is designed. The power test function is realized by setting the tank flange and wiring terminals on the busbar tank body, and the induction voltage of the current collector is used to conduct the output current of the lead.
This device not only can effectively detect the voltage of 1100kV GIS equipment to ensure safe operation, but also has the advantages of simple structure, low cost, easy parts disassembly and easy maintenance.
Smart Images

Figure CN222926782U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to an electric voltage detector device for 1100 kV GIS, belonging to the technical field of high-voltage switches. Background Art
[0002] Operation and maintenance work is an important means to master the operation conditions of power grid equipment and timely discover and handle equipment defects. The "State Grid Corporation of China Electric Safety Work Regulations (Power Line Part)" clearly stipulates that before working on partially de-energized electrical equipment or connecting wires at the work section of a de-energized line, it is necessary to first check for voltage, and verify that the equipment or line has no voltage. An electric voltage detector is one of the commonly used tools for detecting whether there is voltage on power equipment. By using an electric voltage detector to clearly verify whether the equipment to be repaired has no voltage, and then performing other operations to prevent the occurrence of serious accidents such as installing a grounding wire (closing the grounding switch) while the equipment is energized or accidentally touching energized equipment. Summary of the Invention
[0003] The utility model provides an electric voltage detector device for 1100 kV GIS. While ensuring the airtightness of the busbar equipment, the device conducts the induced voltage to the lead wire through the current collector to output current, thereby achieving the effect of an electric voltage detector.
[0004] An electric voltage detector device for 1100 kV GIS, characterized in that: a tank flange is provided on the busbar tank body, the wiring terminal is connected to the tank flange through bolts and is provided with a sealing ring; the lower end of the screw rod passes through the wiring terminal and is connected to the connecting plate, and the upper end is exposed on the upper surface of the wiring terminal; the current collector is connected to the connecting plate through bolts to position the current collector inside the busbar tank; the wiring terminal is covered with a protective cover, the protective cover is connected to the tank flange through bolts on the outer periphery, the protective cover covers the screw rod inside, and a plastic plug is provided on the protective cover.
[0005] The current collector is bowl-shaped, and the lower bottom surface is lower than the surface of the tank flange inside the tank.
[0006] The wiring terminal is provided with hill-shaped protrusions corresponding up and down, the screw rod passes through the hill-shaped protrusions, and the lead wire at the upper end of the screw rod passes through the plastic plug and the protective cover to be connected to the external structure.
[0007] The beneficial effects of the utility model are as follows: through the above structure, the utility model provides an electric voltage detector device for 1100 kV GIS with good voltage detection effect, high safety performance in use, simple structure, low cost, convenient disassembly of components and easy maintenance. Brief Description of the Drawings
[0008] Figure 1 is a schematic structural diagram of the utility model;
[0009] Figure 2 is Figure 1 the schematic structural diagram along the A-A direction in Detailed implementation mode
[0010] An electroscope device for 1100 kV GIS. A tank flange 2 is provided on the bus tank body. The wiring terminal 1 is connected to the tank flange 2 by bolts and is provided with a sealing ring. The lower end of the screw rod 3 passes through the wiring terminal 1 and is connected to the connecting plate 4, and the upper end is exposed on the upper surface of the wiring terminal 1. The current collector 5 is connected to the connecting plate 4 by bolts to position the current collector 5 inside the bus tank. The wiring terminal 1 is covered with a protective cover 6. The protective cover 6 is connected to the tank flange 2 by bolts on the outer periphery. The protective cover 6 covers the screw rod 3 inside, and a plastic plug 7 is provided on the protective cover 6.
[0011] Preferably, the current collector 5 is bowl-shaped, and the lower bottom surface is lower than the surface of the tank flange 2 inside the tank to ensure the current collection effect.
[0012] Preferably, the wiring terminal 1 is provided with hill-shaped protrusions corresponding up and down. The screw rod 3 passes through the hill-shaped protrusions. The lead wire 8 at the upper end of the screw rod 3 passes through the protective cover 6 through the plastic plug 7 and is connected to the external structure to ensure the stability and reliability of the overall device.
[0013] As Figure 1 、 Figure 2 shown, its working principle is as follows: When in use, the lead wire 8 is connected to the upper end of the screw rod 3 by double nuts and led out through the plastic plug 7. The screw rod 3 is connected to the connecting plate 4 and the current collector 5. The current collector 5 is lower than the lower surface of the flange 2 on the bus tank body, so as to achieve the effect of an electroscope.
Claims
1. An electrical tester for 1100kV GIS, characterized in that: The busbar tank body is provided with a tank body flange (2), and the connecting terminal (1) is connected to the tank body flange (2) by bolts and is provided with a sealing ring; the lower end of the screw rod (3) passes through the connecting terminal (1) and is connected to the connecting plate (4), and the upper end is exposed on the upper surface of the connecting terminal (1); the collector (5) is connected to the connecting plate (4) by bolts, and the collector (5) is positioned in the busbar tank body; the connecting terminal (1) is covered with a protective cover (6), and the protective cover (6) is connected to the tank body flange (2) by bolts through the outer periphery, and the protective cover (6) covers the screw rod (3) inside, and a plastic plug (7) is provided on the protective cover (6).
2. The 1100kV GIS electroscope device according to claim 1, characterized in that: The current collector (5) is bowl-shaped, and its bottom surface is lower than the surface of the tank flange (2) inside the tank.
3. The 1100kV GIS electroscope device according to claim 1, characterized in that: The connecting terminal (1) is provided with hill-shaped protrusions at the upper and lower parts respectively, the screw rod (3) passes through the hill-shaped protrusions, and the lead wire (8) at the upper end of the screw rod (3) passes through the protective cover (6) through the plastic plug (7) to be connected to the external structure.