Electromagnetic tripping device, breaking unit and circuit breaker
By directly driving the meniscus in the electromagnetic trip device and adjusting the movement of the armature, the problem of delay and speed in the prior art cannot be adjusted, and faster trip speed and more flexible adjustment capabilities are achieved.
CN119650373APending Publication Date: 2025-03-18SCHNEIDER ELECTRIC (CHINA) CO LTD
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Patent Information
- Application Number
- CN202311195688.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2023-09-15
- Publication Date
- 2025-03-18
AI Technical Summary
Technical Problem
The existing electromagnetic tripping device has delays in the trip operation, and the trip speed cannot be adjusted, resulting in large volume, complex parts and high cost.
Method used
An electromagnetic tripping device is designed to directly drive the meniscus through the yoke, eliminating the delay in releasing elastic potential energy by the energy storage spring, and adjusting the tripping speed by adjusting the magnitude of the force and the distance of movement of the armature.
Benefits of technology
The trip speed is improved, space and cost are saved, and the trip speed can be adjusted as needed.
✦ Generated by Eureka AI based on patent content.
Abstract
The invention provides an electromagnetic tripping device. The electromagnetic tripping device comprises a shell; the static contact conducting bar is fixed on the shell and is provided with an extension section extending in a first direction; the magnet yoke is adjacent to the extension section and is fixed on the shell; the armature is arranged to be capable of moving in a second direction perpendicular to the first direction; the pull rod is arranged to extend in the second direction and can move in the second direction, the pull rod is provided with a first end and a second end, and the first end is connected with the armature so as to move together with the armature; and the triggering piece can be fixed on the shell in a pivoting manner, and the triggering piece is matched with the second end of the pull rod so that the movement of the pull rod towards the magnet yoke in the second direction can enable the triggering piece to perform pivoting movement. And the electromagnetic tripping device is configured in a way that when the current flowing through the static contact conducting bar exceeds a threshold value, the magnet yoke attracts the armature to move towards the magnet yoke along the second direction.
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