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Tripping mechanism and switch device with same

A technology of tripping mechanism and switching device, which is applied in the field of tripping mechanism and switching device, can solve the problems such as the influence of triggering force, and achieve the effect of stable triggering force and reduced size

Inactive Publication Date: 2012-05-16
SIEMENS AG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Furthermore, the trip lever usually has a contact surface through which it contacts the base of the circuit breaker. This contact causes a certain amount of friction with the base, and greater friction will also affect the triggering force.

Method used

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  • Tripping mechanism and switch device with same
  • Tripping mechanism and switch device with same
  • Tripping mechanism and switch device with same

Examples

Experimental program
Comparison scheme
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Embodiment Construction

[0032] In order to have a clearer understanding of the technical features, purposes and effects of the present invention, the specific implementation manners of the present invention will now be described with reference to the accompanying drawings.

[0033] figure 1 and figure 2 Schematically shows two different states of the tripping mechanism as an embodiment, wherein the tripping mechanism includes a base 1, a first component 4, a second component 2, a third component 3, and an energy storage Part 5. exist figure 1 , the first component 4 and the third component 3 are in a contact state, that is, in a locked state, and in figure 2 , the first component 4 and the third component 3 are in a disengaged state, that is, in an unlocked state.

[0034] Such as figure 1 As shown, the energy storage component 5 is arranged on the base 1 and connected with the first component 4. When the first component 4 is pressed down, the energy storage component 5 will also store energy ...

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PUM

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Abstract

The invention provides a tripping mechanism which comprises a base, a first component, a second component, a third component and an energy storage component, wherein the second component is used for keeping the third component at a certain position, when at the position, the third component keeps in contact with the first component; the energy storage component is arranged on the base, and is connected with the first component, and when the third component and the first component are in contact, energy is stored; and the first component movably arranged in a space which is formed by the base, when the third component and the first component are disengaged, the first component moves along a straight line under the push of the stored energy. The invention also provides a switch device with the tripping mechanism; and the tripping mechanism and the switch device are simpler in structure, the sizes are smaller, and the trigger force is more stable.

Description

technical field [0001] The invention relates to a trip mechanism and a switch device with the trip mechanism, in particular to a trip mechanism with stable trigger force and a switch device with the trip mechanism. Background technique [0002] There is a tripping mechanism in the circuit breaker, its function is to perform delayed tripping when an overload current occurs in the circuit, or to perform instantaneous tripping when a large short-circuit current appears in the circuit, so that the circuit breaker trips to achieve circuit protection. [0003] Circuit breakers in the prior art generally include a rotatable trip lever, which can be engaged with the locking lever. When an overload current or a large short-circuit current occurs in the circuit, the thermal temperature sensing element or magnetic The tripping element pushes the locking lever out of contact with the tripping lever, thereby driving the tripping lever to rotate and release, and hits the drawbar on the c...

Claims

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Application Information

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IPC IPC(8): H01H71/12
Inventor 武军张登科李清平徐达
Owner SIEMENS AG