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Non-arc contactor

A contactor and contact group technology, applied in relays, electromagnetic relays, electromagnetic relay details and other directions, can solve the problems of inconvenient installation, potential safety hazards, complex structure, etc., and achieve the effect of improving life expectancy

Inactive Publication Date: 2016-03-23
CHENGDU XUNDE SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] At present, the arc extinguishing effect of the existing contactor is average, there are potential safety hazards, the structure is complicated, and the installation is inconvenient

Method used

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  • Non-arc contactor

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Embodiment Construction

[0015] refer to figure 1 As shown, an arcless contactor includes a static iron core 1, a coil 2, a moving iron core 3 and a bracket 4, the static iron core 1 is provided with two, and the coil 2 is arranged in the static iron core 1, The moving iron core 3 is arranged on the static iron core 1, and the moving iron core 3 and the static iron core 1 are arranged correspondingly. The support 4 is arranged on the moving iron core 3, and the support 4 and the moving iron core 3 Fixed connection, when in use, when the current is overloaded, the electromagnetic force generated by the static iron core 1 at the bottom of the coil 2 is greater than the elastic force of the spring 5, so that the first contact group 6 and the second contact group 7 are disconnected, and the first contact group 6 and the second contact group 7 are disconnected. The triac module 8 connected in parallel with the contact group 6 prevents arcing when disconnected. The moving iron core 3 is provided with a spri...

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Abstract

The invention discloses a non-arc contactor. The non-arc contactor comprises two static iron cores, coils, movable iron cores and brackets, wherein the coil is arranged in the static iron cores; the movable iron cores are arranged on the static iron cores and correspond to the static iron cores; the brackets are arranged on the movable iron cores and fixedly connected with the movable iron cores; springs are arranged in the movable iron cores; the movable iron cores are connected with the coils through the springs; a first contact group and a second contact group are arranged on the brackets; the first contact group is provided with a bidirectional controllable silicon module; conductive connecting pieces are arranged at two ends of the bidirectional controllable silicon module; and the bidirectional controllable silicon module is electrically connected with the first contact group through the conductive connecting pieces. The non-arc contactor not only ensures circuit safety but also realizes non-arc on-off, so that the service life of the contactor is greatly prolonged; and the contactor is convenient to mount and compact in structure.

Description

technical field [0001] The invention relates to the technical field of power distribution equipment, in particular to an arc-free contactor. Background technique [0002] Contactors are divided into AC contactors (voltage AC) and DC contactors (voltage DC), which are used in electric power, power distribution and power consumption. In a broad sense, contactors refer to the use of coils in industrial electricity to generate magnetic fields through currents, so that contacts The head is closed to control the electrical appliances of the load. In terms of electrical engineering, because it can quickly cut off the main circuit of AC and DC and can frequently connect and control the circuit with large current (some types can reach 800 amps), it is often used. It is used as a control object for electric motors, and can also be used to control electric loads such as factory equipment, electric heaters, working machines and various electric power units. The contactor can not only co...

Claims

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Application Information

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IPC IPC(8): H01H50/14H01H50/64H01H50/54
CPCH01H50/14H01H50/54H01H50/645
Inventor 龚素华
Owner CHENGDU XUNDE SCI & TECH
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