An intelligent grounding device for high-voltage cables and its application method

Abstract

The invention discloses an intelligent grounding device for high-voltage cables, which includes a box body, a door panel is hinged on one side of the box body, and a brake assembly for braking the door panel is arranged inside the door panel. The inside of the box body is provided with a connecting warehouse, and the bottom of the box body is equidistantly arranged with three cable access pipes, and the top of the cable access pipes extends into the connecting chamber. The block moves up to open the carbon dioxide fire extinguisher to extinguish the fire in the box, timely and effectively extinguish the fire and prevent the accident from expanding, and the baffles on both sides can be pushed outwards or closed through the stepping motor, triangular block and sliding rod, and the The internal space of the box is ventilated, which improves the heat dissipation efficiency, the heat dissipation effect is good, and the heat dissipation is comprehensive. When there is no ventilation, it can prevent insects and rats from entering the box and causing damage to the lines and other components in the box.

Description

technical field [0001] The invention relates to the technical field of power equipment, in particular to an intelligent grounding device for high-voltage cables and a method of using the same. Background technique [0002] Large-scale cable transmission is used in transmission lines. The cable grounding box is an important part of the transmission cable system in the power industry. It is widely used in projects such as electric power, railway, urban construction, water conservancy, and rail transit. The grounding wire is placed to protect the grounding wire. It is divided into direct grounding box, protective grounding box, three-phase cross-connected grounding box, and three-phase six-wire grounding box. [0003] At present, when a cable in a cross-connection section is short-circuited, high-voltage current will be generated, and a certain degree of explosion and fire will occur for a long time. It is necessary to turn off the power supply, and then carry out fire extingu...

AI Technical Summary

Problems solved by technology

[0003] At present, when a short-circuit occurs in a cable in a cross-interconnection section, high-voltage current will be generated, and a certain degree of explosion and fire will occur after a long time, and the risk factor is relatively high. However, in the case of a short-circuit, the existing cable grounding box first It is necessary to turn off the power supply, and then carry out fire extinguishing and finishing work, but it takes a certain period of time for the staff to discover the accident after the short circuit occurs. This period of time will cause huge damage. Therefore, the existing cable grounding box cannot extinguish the fire in time, thereby reducing the danger. It seriously affects the normal power consumption of users, and it may also cause personal harm to the staff in the later maintenance. Moreover, in the rainy and snowy weather of the traditional grounding box, water vapor can easily enter the box and cause corrosion and short circuit of the components, making the internal The line is damaged. In addition, the vent hole of the traditional grounding box is open, and rats and insects can easily enter through the vent hole, causing damage to components or lines, causing unnecessary losses and increasing maintenance costs in the later period.

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