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Intelligent universal circuit breaker

A universal, circuit breaker technology, applied in circuit breaker parts, circuit breaker contacts, protection switch operation/release mechanisms, etc., can solve the problems of many, complex, and relatively many failure opportunities in the transmission mechanism, and achieve a simple structure. Effect

Inactive Publication Date: 2006-09-13
陈汝清
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

2. The operating mechanism has changed from four-link to five-link and other transmission mechanism components, which are complex and have many defects and deficiencies.

Method used

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  • Intelligent universal circuit breaker
  • Intelligent universal circuit breaker
  • Intelligent universal circuit breaker

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0018] In Fig. 1, the upper bus bar copper bar (1), the central hole passing through the current transformer (13), the moving contact (7), the copper bus bar bar, and the lower bus bar bar (4) form a closed circuit of the total power supply, and the moving contact ( 7) The operating mechanism is composed of: a movable insulating substrate (10), a lever upper fulcrum with a bearing and a bearing bracket (11) to fix the upper bracket, a lever lower fulcrum (12), (21.22.23.24) screw, and a spring The energy storage mechanism——can buffer the impact force brought by the switching of the synchronous DC motor, and at the same time maintain good contact between the dynamic and static contacts, the synchronous motor (18), the gear plate (17.16), the movable insulating base plate and the ribbed in the middle, Carry out a straight line with a stroke positioning pin (36), a contact probe (33) that can move the lever up and down, a screw rod (19) for displacement, a connecting pin (20) and ...

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PUM

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Abstract

This invention relates to an intelligent universal breaker finishing on / off of a supply system accurately connected by a mechanical operation system of a current mutual-inductor, dynamic network static contactor, upper and lower bus lines, an insulation base board, a bearing and an up frame of a bearing frame, a lower pivot of a lever, screws, springs, a motor, gear plates, a stroke locating tip, a contact inspector, a guide screw and a plug pin and connected by electric components of a motor, a stroke switch, supply V-, V+.

Description

Technical field [0001] The patent of the present invention relates to a low-voltage electrical device, especially capable of quickly switching on and off the main power supply circuit in time. technical background [0002] At present, the known intelligent universal circuit breaker consists of a casing, a contact system, an arc extinguishing system, an upper and a lower base, an operating mechanism, a motor, a manual transmission mechanism, a current transformer, an intelligent release, an auxiliary switch, two It is composed of secondary plug-in voltage loss, shunt release and other components. The main contact material is arc-resistant and welding-resistant alloy. In order to improve the electrical stability of the contact system, the contact system is connected in parallel by multiple channels. The operating mechanism adopts a four-link to five-link free release mechanism. In order to meet the needs of intelligent control, the mechanism needs to be designed as a pre-stor...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01H73/04H01H71/70H01H71/42H01H71/43H01H73/18
Inventor 陈汝清
Owner 陈汝清