Translational multi-contact-finger isolating switch

Abstract

The invention discloses a translational multi-contact-finger isolating switch. The isolating switch comprises a base assembly, a motor assembly, a transmission assembly, a frame assembly and a main loop assembly. The motor assembly is in key connection with the transmission assembly, and the motor assembly can control the main loop assembly to move through the transmission assembly; the main loop assembly comprises a wire inlet bar, a wire outlet bar and a moving contact assembly; the moving contact assembly comprises a top plate, a bottom plate and two side plates, a rectangular cavity is formed among the top plate, the bottom plate and the two side plates, the inner side of each side plate is provided with a plurality of contact fingers and springs, and a plurality of spring contact finger groups are fixed on the side plates in parallel; and the moving contact assembly is sleeved at the end part of the incoming line bar, the incoming line bar, the outgoing line bar and the moving contact assembly are arranged on the same straight line, and the moving contact assembly can move between a closing position and an opening position, so that the incoming line bar and the outgoing line bar are connected or disconnected.

Description

technical field [0001] The invention relates to the technical field of switching appliances, in particular to a translational multi-finger isolating switch. Background technique [0002] In the power system, the main circuit of the isolating switch mostly adopts the main circuit structure of the rotary knife switch. Due to the insulation requirements, the structure of this structure is not compact, and the external dimensions and working space requirements are relatively large, especially at high voltage and current levels. At present, this shortcoming is particularly obvious, and miniaturization and light weight are the main development directions of switching appliances and their complete sets of equipment at present. Therefore, it is necessary to ensure high voltage and current levels, and to reduce the overall size and working space of the isolating switch. Large short-term overload capability, which brings difficulties to the development work in this field. Contents o...

AI Technical Summary

Problems solved by technology

[0002] In the power system, the main circuit of the isolating switch mostly adopts the main circuit structure of the rotary knife switch. Due to the insulation requirements, the structure of this structure is not compact, and the external dimensions and working space requirements are relatively large, especially at high voltage and current levels. At present, this shortcoming is particularly o

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