Ground connection vehicle and ground connection method for middle type switch cabinet

Abstract

The invention discloses a ground connection vehicle and a ground connection method for a middle type switch cabinet. The ground connection vehicle comprises a chassis vehicle, a base, three pole columns, three electrified sensors, three upper contact arms, an electrified displayer, a ground connection device, an electromagnet controller and a control circuit. The three electrified sensors are respectively opposite to the three pole columns and are arranged at intervals relative to the three pole columns. The ground connection device comprises a switch-on coil for electric switch on and a switch-on button for manual switch on. The electromagnetic controller comprises a blocking shaft for controlling the switch-on button and a latching electromagnet for controlling the blocking shaft to extend out and draw back. The control circuit is electrically connected with the switch-on coil and the latching electromagnet. Furthermore, the control circuit can be automatically switched off when the electrified sensors sense that the control circuit is electrified, the switch-on coil and the latching electromagnet are both prompted to loss electricity, and the blocking shaft can extend out to clamp the switch-on button when losing attraction of the latching electromagnet. The ground connection vehicle has an electricity verifying function and is better in safety, higher in reliability and more convenient to operate.

Description

【Technical field】 [0001] The invention relates to a grounding vehicle, in particular to a grounding vehicle and a grounding method for a central switch cabinet. 【Background technique】 [0002] The ordinary grounding trolley for the central switchgear does not have the function of electric inspection. It is necessary to judge whether it is live through the live display of the switchgear, and then pull the handcart of the switchgear to the inspection position and push it into the special electric inspection trolley. After there is no electricity, push in the special grounding trolley for grounding. [0003] However, this grounding operation method is cumbersome, and requires an electric inspection trolley and a grounding trolley to be used together. At the same time, there is no anti-misoperation function between the electric inspection and grounding operations, and the electric inspection link is often missed or artificially omitted. In the electrical inspection process, the...

AI Technical Summary

Problems solved by technology

[0003] However, this grounding operation method is cumbersome, and requires an electric inspection trolley and a grounding trolley to be used together. At the same time, there is no anti-misoperation function between the electric inspection and grounding operations, and the electric inspection link is often missed or artificially omitted. In the electrical inspection process, the safety of operators cannot be guaranteed

Therefore, this grounding operation method is relatively cumbersome and less secure

[0004] In addition, although some traditional grounding vehicles also have the function of electric testing, their reliability is poor

[0005] Moreover, although some new grounding vehicles have the same function at present, there are too many human operations, and they cannot be operated remotely.

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