Common box type solid insulation switch

Abstract

The invention relates to a common box type solid insulation switch. The switch comprises a circuit breaker and an isolation switch, the circuit breaker comprises an upper half insulation box, an opencircuit driving shaft is arranged in the upper half insulation box and connected with an open circuit mechanism through an open circuit transmission device, three sets of wire inlet sleeves are arranged on one side of the upper half insulation box, wire inlet connecting pieces and vacuum bubbles are arranged in the wire inlet sleeves, moving contacts of the vacuum bubbles are connected with the open circuit driving shaft through pull rod assemblies, and the pull rod assemblies are connected with isolation contacts. The isolation switch comprises a lower half insulation box. Three groups of isolation knife assemblies, an isolation driving shaft and a grounding assembly are arranged in the lower half insulation box; the isolation driving shaft is connected with the isolation mechanism through the isolation transmission device, three sets of outgoing line sleeves are arranged at the bottom of the lower half insulation box, outgoing line connecting pieces in the three sets of outgoing linesleeves are correspondingly connected with the three sets of isolation knife assemblies, and the upper half insulation box and the lower half insulation box are buckled with each other and connectedthrough a flange. The common box type solid insulation switch has the advantages of the compact structure, convenience in maintenance and high reliability.

Description

technical field [0001] The invention relates to an insulating switch, in particular to a three-phase common box type solid insulating switch with a voltage level of 12kV. Background technique [0002] In the field of power transmission and distribution, the existing solid insulated switches usually adopt a three-phase unit combination structure. In practical applications, there are problems such as complex preparation process, high material cost, inconvenient installation and debugging, many transmission parts, and poor reliability. Contents of the invention [0003] The object of the present invention is to provide a common box type solid insulated switch, which has the advantages of compact structure, low cost, convenient installation and maintenance, and high reliability. [0004] In order to solve the above-mentioned problems in the prior art, the present invention provides a common box-type solid insulated switch, including a circuit breaker and a disconnector, the ci...

AI Technical Summary

Problems solved by technology

[0002] In the field of power transmission and distribution, the existing solid insulated switch usually adopts the combination structure of three-phase units, which has the problems of complex preparation process, high material cost, inconvenient installation and debugging, many transmission parts and poor reliability in practical application.

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