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Drawer type circuit breaker bus system

A technology of drawer type circuit breaker and busbar, which is applied in the direction of pull-out switchgear, busbar/line arrangement, switchgear, etc., can solve the problems of reducing the effective current-carrying cross-section, poor working reliability, hidden safety hazards, etc., and achieve structural Compact, reliable action, and the effect of solving stuck cards

Active Publication Date: 2010-08-11
JIANGSU KAILONG ELECTRONICS +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Its disadvantage is that the groove on the belly of the bridge contact is used to install the spring, which increases the volume of the bridge contact and consumes materials, and reduces the effective current-carrying cross section
However, the structure is complex, especially the safety partition is an integral structure, which is prone to jamming due to the large span, poor working reliability, and certain potential safety hazards

Method used

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  • Drawer type circuit breaker bus system
  • Drawer type circuit breaker bus system
  • Drawer type circuit breaker bus system

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Embodiment Construction

[0018] As shown in Figures 1 to 5, the drawer-type circuit breaker busbar system of the present invention includes an independent unit composed of a base, a connecting device and an isolating device installed on the base. As shown in Figures 1, 2, 3, and 5, the base of the present invention is composed of two connected seats, which are symmetrically and snapped together, or asymmetrically connected, and the two seats 1 are connected by fasteners 10 There is a guide groove 1-1 on one side of the seat body 1 for installing two insulating plates 2, and a support groove 1-4 is provided in the middle of the other side of the seat body 1, and there are positioning grooves on both sides of the support groove 1-4 Or positioning platform 1-2, used for installing busbar 7.

[0019] As shown in Figures 1 and 2, the connection device of the present invention includes two sets of bridge contacts 4, frame plates 5 and busbars 7. Sheet 4-1 and leaf spring 4-3 and support 4-2 are formed, two...

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Abstract

The present invention relates to a drawer-type circuit breaker busbar system, which consists of a connecting device arranged on a base and an insulating device. The connecting device consists of a bridge-shaped contact, a shelf board and a busbar; the bridge-shaped contact consists of more than 10 laminated contact sheets with the thickness of 1.5 to 2.5mm, flaky springs arranged on the upper andlower end surfaces of the contact sheets and a bracket clamped on the flaky springs; the busbar connected on the base body is inserted in the bridge-shaped contact to connect with contact sheets; thebulge on the busbar end part is connected with contact sheets and the shelf board inserted in the contact sheets is connected with the busbar; two insulation plates of the insulating device are arranged on one side of the base body and are provided with a window respectively corresponding to the bridge-shaped contact; a push rod is arranged on the base body through a support; the spring is arranged on the push rod and the support and two opposite wedged blocks on the push rod are respectively against the insulation plate to form an independent unit. The drawer-type circuit breaker busbar system is characterized by material conservation, low temperature rise, reliable action, safe insulation and strong university and is conducive to miniaturization design.

Description

technical field [0001] The invention relates to a drawer-type circuit breaker busbar system, which belongs to the technical field of drawer-type circuit breakers. Background technique [0002] The draw-out circuit breaker has the dual function of circuit breaker and isolating electrical appliances. The drawer type circuit breaker is composed of two relatively independent parts, the circuit breaker body and the drawer seat. The busbar system of the circuit breaker is located at the rear of the drawer seat, which acts as a link between the circuit breaker body and the drawer seat. Its main function is to disconnect the main circuit when the circuit breaker body is in the disconnected position; and to connect the main circuit when the circuit breaker body is in the connected position. The currently disclosed busbar system usually consists of a connecting device and an isolating device installed on a base. [0003] The base of common three-pole and four-pole circuit breakers ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H02B11/02H02B11/04H02B11/173H02B1/20
Inventor 倪文元
Owner JIANGSU KAILONG ELECTRONICS
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