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A withdrawable functional unit for switchgear

A functional unit and pull-out technology, which is applied in the direction of pull-out switchgear, switchgear, electrical components, etc., can solve the problems of inconvenient replacement of functional units, hidden safety hazards, and low protection level, so as to reduce the occupied space, Improved safety and reliability, good arc extinguishing performance

Active Publication Date: 2016-02-10
CHINA COAL ELECTRIC CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, the domestic mainstream products are GCK, GCS and MNS imitated by ABB company. There is a certain gap in performance, it is inconvenient to replace functional units, the protection level is not high, and it is not suitable for use in harsh environments. There is no isolation between the test position and the connection position, and there are hidden dangers in safety

Method used

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  • A withdrawable functional unit for switchgear
  • A withdrawable functional unit for switchgear
  • A withdrawable functional unit for switchgear

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Experimental program
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Embodiment Construction

[0036] The specific implementation manner of the present invention will be described below in conjunction with the accompanying drawings.

[0037] Such as Figures 1 to 10 As shown, a withdrawable functional unit for a switch cabinet, the functional unit includes a fixed cabinet 1 and a movable drawer 2;

[0038] Described fixed cabinet body 1 comprises upper floor spacer plate 11, lower floor spacer plate 12, cabinet body base plate 13 and door panel 14; Upper floor spacer plate 11 and lower floor spacer plate 12 are matching corresponding settings; The rear end of spacer plate 12 is all fixedly connected with cabinet bottom plate 13; One end of described door panel 14 is connected with the front end of upper floor spacer plate 11, the front end of lower floor spacer plate 12 respectively by rotating shaft, and door panel 14 is provided with divider. Closing handle 141; both sides of the upper spacer plate 11 and both sides of the lower spacer plate 12 are respectively provi...

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Abstract

The invention discloses a withdrawable functional unit for a switch cabinet, which comprises a fixed cabinet body and a movable drawer; the fixed cabinet body includes an upper-layer partition board, a lower-layer partition board, a bottom board of the cabinet body and a door panel; an upper-layer partition board and a lower-layer partition board It is matched and correspondingly set; the door panel is provided with opening and closing handles; the two sides of the upper partition board and the two sides of the lower partition board are respectively provided with chutes with notches facing inward; the mobile drawer includes a bottom plate, a fixed set The circuit breaker on the bottom plate and the side plates respectively fixed on both sides of the bottom plate; the side plates are provided with slide rails matching the chute, through the cooperation of the slide rail and the chute, the mobile drawer can be moved in a fixed cabinet. The functional unit structure provided by the invention is standardized, the unit is modularized, and has a reliable mechanical interlocking mechanism, which makes users safer, more reliable and more convenient to operate.

Description

technical field [0001] The invention relates to a withdrawable functional unit for a switch cabinet. Background technique [0002] Withdrawable functional units have been widely used in the output part of low-voltage switchgear, mainly because of their good interchangeability. When a functional unit fails, use the same type of spare drawer to replace the faulty drawer. The use of the feed-out loop is restored in a short time, and the efficiency is improved. At present, the domestic mainstream products are GCK, GCS and MNS imitated by ABB company. There is a certain gap in performance, it is inconvenient to replace functional units, the protection level is not high, and it is not suitable for use in harsh environments. The test location is not isolated from the connection location, which poses a safety hazard. [0003] According to market research, the withdrawable functional unit of power distribution equipment should have double-circuit outlets, and the "connection positi...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H02B11/173H02B11/133
Inventor 王亚智王海静王景阳王治华
Owner CHINA COAL ELECTRIC CO LTD
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