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Reset mechanism of magnetic flux release

A technology of reset mechanism and tripper, which is applied in the direction of protection switch operation/release mechanism, parts of protection switch, electrical components, etc., and can solve the disadvantages of cost, assembly, reliability, and tripping of electronic magnetic flux tripper And problems such as the complexity of the reset mechanism, to achieve the effect of improving manufacturing reliability, reducing the risk of jamming, and the relative error of the tolerance size is small

Active Publication Date: 2020-11-03
SHANGHAI ELECTRICAL APPLIANCES RES INSTGROUP +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

When the output power of the circuit board is small, the output force can be increased by increasing the winding turns of the magnetic flux release. In the case of the existing complex trip module, there is often not enough space to place a larger magnetic flux release. Buckle
In addition, the tripping and reset mechanism of the electronic magnetic flux release of the miniature circuit breaker is usually more complicated. When manufacturing, too many parts often bring disadvantages in cost, assembly and reliability.

Method used

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  • Reset mechanism of magnetic flux release
  • Reset mechanism of magnetic flux release
  • Reset mechanism of magnetic flux release

Examples

Experimental program
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Embodiment

[0032] Such as Figure 1-13 As shown, the circuit breaker includes a handle 1, a base 2, a U-shaped rod 3, a main body lock 4, a quick closure 5, a support 6, a trip lever 7, a magnetic flux trip ejector 8, and a trip pin 9 , magnetic flux tripper 10, middle cover plate 11, tripper base 12, quick closure return spring 13, moving contact bracket 14; handle 1 has a bump, and the edge of the bump includes a first contact surface 101, a second The contact surface 102; the circuit breaker operating mechanism includes a U-shaped rod 3, a main body lock 4, and a support piece 6; the quick-fit piece 5 includes a first push surface 501, a second push surface 502, a reset push rod 504, a head 505, a hanging Shaft 506; tripping lever 7 includes tripping push rod 701, reset swinging rod 702, tripping swinging rod 703; rotating shaft is provided with rotating shaft a1, rotating shaft a2, rotating shaft a3; The first pushing surface 501 and the second pushing surface 502 of the component 5...

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Abstract

The invention relates to a reset mechanism of a magnetic flux release, and belongs to the technical field of miniature circuit breakers. The reset mechanism comprises a handle, a convex block arrangedon the outer side of the circumference of the handle, a quick closing piece corresponding to the convex block of the handle, a tripping lever, a magnetic flux tripper and an ejector rod, the trippinglever is provided with one end acting with the ejector rod arranged on the magnetic flux tripper; the tripping lever is connected with a circuit breaker tripping pin shaft; and the tripping lever rotates through the quick closing piece and acts on the ejector rod of the magnetic flux tripper to reset the ejector rod. According to the invention, the electronic magnetic flux tripping system is reset through the existing handle without transmission of the main body mechanism, so the influence on the performance of the main body mechanism is avoided; the reset function is achieved through fewer parts, so the reliability of product manufacturing is improved. Meanwhile, a reset transmission space is reserved, so the number of turns of a winding of the magnetic flux release is increased, and themagnetic flux release can have larger output force; manual reset is not needed, and the risk that the reset button is stuck is reduced.

Description

technical field [0001] The invention relates to a reset mechanism of a magnetic flux release, which belongs to the technical field of small circuit breakers. Background technique [0002] As an important part of power distribution protection, circuit breakers are widely used in the entire power distribution system. At present, electronic magnetic flux releases are often configured in miniature circuit breakers. The output of the electronic magnetic flux releases of miniature circuit breakers is largely determined by the volume of the release and the output of the circuit board. When the output power of the circuit board is relatively Hours, the output force value of the magnetic flux release is not enough to directly drive the trip rod to trip, which affects the reliability of the trip. The tripping action needs to hit the trip lever with a greater force and a larger stroke, and the tripping action is more reliable. When the output power of the circuit board is small, the ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01H71/24H01H71/50H01H71/52
CPCH01H71/24H01H71/50H01H71/52H01H71/521
Inventor 王冰青张森林孙吉升沈先
Owner SHANGHAI ELECTRICAL APPLIANCES RES INSTGROUP
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