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Modularized composite non-arc intelligent motor starter

A smart motor and hybrid technology, applied in the direction of relays, electromagnetic relays, detailed information of electromagnetic relays, etc., can solve the problems of difficult assembly and maintenance, hybrid AC contactors, protectors, and communication modules that have not been modularized, etc. Achieve the effect of facilitating assembly and maintenance, reducing mutual interference and improving stability

Inactive Publication Date: 2011-09-21
XIAMEN HONGFA ELECTRICAL SAFETY & CONTROLS CO LTD
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  • Abstract
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  • Claims
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Problems solved by technology

[0005] The invention provides a modularized hybrid arcless intelligent motor starter, the main purpose of which is to overcome the difficulty in assembly and maintenance of the existing hybrid AC contactors, protectors, communication modules, etc. used in motor starting. The shortcoming of carrying out; The purpose of the present invention also is to solve the problem on the layout design of each component of existing hybrid AC contactor

Method used

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  • Modularized composite non-arc intelligent motor starter
  • Modularized composite non-arc intelligent motor starter
  • Modularized composite non-arc intelligent motor starter

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Embodiment Construction

[0020] Specific embodiments of the present invention will be described below with reference to the accompanying drawings.

[0021] refer to figure 1 and figure 2 , the modular hybrid arc-free intelligent motor starter in this embodiment includes a hybrid AC contactor 1 and a protection module 2 . The hybrid AC contactor 1 is used to control the start and stop of the motor. Its specific circuit structure can refer to an "intelligent hybrid AC contactor" disclosed in Chinese patent 00242121.6, and its circuit structure and working principle will not be described in detail here. The protection module 2 is a protector that functions as under-voltage, over-voltage protection, and phase-sequence protection for the load. Its circuit structure and working principle are also in the prior art, and only its mechanical structure will be described here.

[0022] refer to figure 2 , the hybrid AC contactor 1 has a first side 101 and a second side 102 , and the protection module 2 also ...

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Abstract

The invention provides a modularized composite nonarcing intelligent motor starter, comprising a composite AC contactor and a protecting module, wherein the composite AC contactor is provided with a first lateral surface and a second lateral surface, while the protecting module is provided with a first lateral surface and a second lateral surface; the first lateral surface of the composite AC contactor is provided with a three-phase power supply inlet terminal, and the second lateral surface is provided with a three-phase power supply outlet terminal and a communication interface; the first lateral surface of the protecting module is provided with a three-phase power supply inlet terminal and a communication interface which are in abutting joint with the three-phase power supply outlet terminal and the communication interface of the composite AC contactor respectively, and the second lateral surface of the protecting module is provided with a three-phase power supply outlet terminal; the second lateral of the composite AC contactor and the first lateral surface of the protecting module are connected in a clamping mode. The modularized composite nonarcing intelligent motor starter realizes modularized design, and is convenient for assembly and maintenance; the composite AC contactor adopts an upside-down structure, so the arrangement of the starter is more reasonable.

Description

technical field [0001] The invention relates to the starting control technology of a motor, in particular to a modular hybrid arcless intelligent motor starter. Background technique [0002] During the starting process of the motor, it is necessary to use an AC contactor to control its start and stop, a protector for undervoltage, overvoltage protection, and phase sequence protection, an auxiliary contact for auxiliary control, and a computer for communication. communication module. These components are scattered in the equipment and have not been modularized, so it is not easy to assemble and maintain the equipment. For ease of description, these components are collectively referred to herein as a motor starter. [0003] Among them, the AC contactor is mainly used to control the start and stop of the AC motor. Its basic principle is to use the electromagnetic coil to turn on and off the power to make the contacts close or disconnect to control the on-off of the circuit. ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01H50/04H01H50/14H01H50/54H01H9/30
Inventor 张协利
Owner XIAMEN HONGFA ELECTRICAL SAFETY & CONTROLS CO LTD
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