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Tool and method for switching an electromagnetic relay

A technology of electromagnetic relays and relays, applied in the direction of electromagnetic relays, electromagnetic relay details, relays, etc., can solve the problems that low-power signals cannot and should not be provided

Active Publication Date: 2016-01-20
SCHNEIDER ELECTRIC LOGISTICS ASIA PTE LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

During testing or commissioning of the relay, there are situations where a low power signal to the coil cannot or should not be provided

Method used

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  • Tool and method for switching an electromagnetic relay
  • Tool and method for switching an electromagnetic relay
  • Tool and method for switching an electromagnetic relay

Examples

Experimental program
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Embodiment Construction

[0040] Exemplary embodiments described herein may provide a means for switching a switching state of an electromagnetic relay without energizing the electromagnetic relay.

[0041] In the description herein, a relay may be an energizable coil device, which may include, but is not limited to, any device that can switch / turn on and off power, such as an electrical relay or other electromechanical switching device, assembly or component. The energization of the energizable coil arrangement may include, but is not limited to, power on / off of the element and / or mechanical on / off of the element.

[0042] Unless stated otherwise, the terms "coupled" or "connected" as used in this specification are intended to include either direct connection or connection through one or more intervening devices.

[0043] In addition, in the description herein, whenever the word "substantially" is used, it should be understood as including but not limited to "entirely" or "completely". Furthermore, w...

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PUM

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Abstract

A tool and method for switching an electromagnetic relay may be provided whereby the tool comprises a switch member movable along a path towards the relay between a first position and a second position; wherein the switch member moves from the first Moving from one position to the second position can switch the switch state of the electromagnetic relay through the magnetic force exerted by the switch member.

Description

technical field [0001] The invention mainly relates to a tool for switching magnetic relays. Background technique [0002] Electromagnetic relays are widely used as electromechanical switches in various applications such as circuit boards, alarms, and sensors. Typically, relays consist of an electromagnet with a soft iron rod or armature. The movable contact / switch is coupled to the armature such that the contacts are held in their normal position eg by return springs. Typically, when the electromagnet is energized, such as by a user applying power to the relay, the magnetic force overcomes the biasing force provided by the return spring and moves the contacts into an alternate position, thereby either opening or connecting the circuit. When the electromagnet is de-energized, for example by the user removing power to the relay, the contacts are returned and held in their normal position by the return spring. [0003] In some electromagnetic relays, a lockout door and a tes...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01H50/64
CPCH01H1/0015H01H50/32H01H50/326H01H50/642H01H50/00
Inventor 林健来
Owner SCHNEIDER ELECTRIC LOGISTICS ASIA PTE LTD