Grounding device with automatic protection

A grounding device and automatic protection technology, applied in the direction of connecting contact materials, etc., can solve the problems of personal injury and death, burnout, grounding wire mistransmission, etc. Effect

CN108199155AActive Publication Date: 2018-06-22STATE GRID CORP OF CHINA +1
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Patent Information

Authority / Receiving Office
CN · China
Current Assignee / Owner
Publication Date
2018-06-22

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Abstract

The invention relates to a grounding device with automatic protection, and belongs to the technical field of power transmission safety equipment. The grounding device with automatic protection is connected with three phase lines between a high-voltage breaker and a circuit side switch through grounding wires and a grounding rod, and the grounding device includes a shell having a control panel, a grounding rod sleeve arranged in the shell and used for insertion of the grounding rod and an electromagnetic lock having an operation handle for controlling insertion of the grounding rod; an open endof the grounding rod sleeve communicates with a grounding rod in the shell, and a magnetically controlled switch is arranged at the bottom of the interior of the grounding rod sleeve; and a circuitboard having a protection circuit is also arranged in the shell. According to the grounding device, through cooperation among the electromagnetic lock, the grounding rod sleeve provided with the magnetically controlled switch and the circuit board provided with the protection circuit, misoperation behavior of mistakenly electrified installation of grounding wires and power transmission with the grounding wires can be prevented, and the device is simple in structure, convenient to operate, stable and reliable in work and good in safety performance, and thus has good comprehensive using performance.
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Description

technical field

[0001] The invention relates to a grounding device with automatic protection, belonging to the technical field of power transmission safety equipment. Background technique

[0002] The installation of ground wires in power transmission lines has double-edged properties. It has the function of safe work, but improper use will also cause damage. If the live wire is connected to the ground wire or connected to the ground wire for power transmission, it will cause harm to personnel and electrical equipment, and will cause serious damage. severe electrical accidents. If the grounding end of the grounding wire is not in good contact, the maintenance personnel will be in a dangerous working environment.

[0003] The grounding end of the grounding wire commonly used in electric power enterprises is simple. The grounding stake uses iron plates and the jacks use copper pipes. The iron plates on their contact parts are extremely easy to rust, and their grounding resist...

Examples

Embodiment Construction

[0027] Below in conjunction with accompanying drawing and specific embodiment the present invention is described in further detail:

[0028] The invention discloses a grounding device with automatic protection. The grounding device is connected between a high-voltage circuit breaker and a line side switch for safety protection. electrical misuse. The following are specific examples:

[0029] The grounding device described in the present invention has the function of automatic protection by setting a protection circuit. The grounding device is connected to the three-phase line between the high-voltage circuit breaker 1 and the line side switch 2 through the grounding wire 3 and the grounding rod 4. Specifically, three wires are used to connect to the three-phase line, and then they are all connected to the grounding wire 3. In the connected state, the other end of the grounding wire 3 is connected to the grounding rod 4, and the grounding rod 4 is kept connected to the ground...