Unlock instant, AI-driven research and patent intelligence for your innovation.

Circuit breaker tripping actuating device

A technology of executive device and circuit breaker, which is applied in the direction of protection switch operation/release mechanism, etc., which can solve the problems of large maintenance, high equipment cost, lack of protection function, etc., and achieve the effect of reliable opening

Active Publication Date: 2008-11-26
武汉华源电气设备有限责任公司 +2
View PDF7 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] At present, in most distribution network systems, the power supply for the secondary protection of the distribution cabinet used is taken from the busbar through the voltage transformer. Once the voltage drop of the busbar is large or the voltage transformer fails, the secondary protection cannot operate reliably, and the circuit breaker Unable to trip, unable to protect
If a reliable DC power supply is used, the equipment cost is higher and the maintenance amount is larger

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Circuit breaker tripping actuating device
  • Circuit breaker tripping actuating device
  • Circuit breaker tripping actuating device

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0012] The present invention will be further described below in conjunction with the accompanying drawings.

[0013] In the present invention, when the circuit breaker 7 is in the open state, it is in the state of having stored energy but has passed the limit point. When the circuit breaker 7 is closed, the opening, closing and tripping half shaft 71 of the circuit breaker moves forward and contacts the drive block 22 of the present invention, so that the drive plate 2 of the present invention moves forward at the same time until the head of the drive plate 2 The control board 21 is hooked on the pin shaft 4, and at this time, the present invention has reached the state of having stored energy and ready to open. When the secondary protection gives a signal to open the gate, the coil of the relay 5 is activated, the output shaft 51 of the relay 5 is pushed out, and the push rod 41 on the pin shaft 4 is pushed to rotate the pin shaft 4. When the pin shaft 4 rotates to its notch ...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

The related tripping actuator for a breaker comprises: a fixed frame, a drive board active fixed on frame, a drive block on end of the board contacted with the tripping half axis of breaker, and a spring with one end fixed on outer wall of the frame and another end fixed on board end in the frame respectively; wherein, arranging a control board with a hook on its front end on board head in the frame to catch a pin shaft that is fixed on the frame and comprises a torsion spring on one end and a notch. This invention can amplify the energy of shunt coil for reliable shunt.

Description

technical field [0001] The invention belongs to a tripping executing device in a power distribution switch cabinet, in particular to a tripping executing device of a circuit breaker. Background technique [0002] At present, in most distribution network systems, the power supply for the secondary protection of the power distribution cabinet is taken from the busbar through the voltage transformer. Once the busbar voltage drop is large or the voltage transformer fails, the secondary protection cannot operate reliably, and the circuit breaker No tripping, no protection. If a reliable DC power supply is used, the equipment cost is high and the maintenance is large. SUMMARY OF THE INVENTION [0003] The object of the present invention is to provide a circuit breaker tripping actuator which can reliably trip even when the busbar is short-circuited and the voltage drop is very large by using passive protection, so as to overcome the above deficiencies. [0004] In order to ach...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Patents(China)
IPC IPC(8): H01H71/10H01H71/12H01H71/24H01H71/32
Inventor 杨振华周斌梅艳云王一飞
Owner 武汉华源电气设备有限责任公司
Features
  • R&D
  • Intellectual Property
  • Life Sciences
  • Materials
  • Tech Scout
Why Patsnap Eureka
  • Unparalleled Data Quality
  • Higher Quality Content
  • 60% Fewer Hallucinations
Social media
Patsnap Eureka Blog
Learn More

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.

© 2025 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com