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Low-noise electromagnetic switch and making method thereof

A technology of electromagnetic switch and manufacturing method, which is applied to electric switches, electromagnetic relays, detailed information of electromagnetic relays, etc., can solve problems such as passenger discomfort, and achieve the effects of simplifying manufacturing processes, improving manufacturing convenience, and improving convenience and speed.

Active Publication Date: 2012-09-26
LSIS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0025] Such as electric vehicles, etc., where electromagnetic switches are required to be installed indoors quietly, the generation of the above-mentioned electromagnetic switch ON / OFF shock noise may make passengers feel uncomfortable

Method used

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  • Low-noise electromagnetic switch and making method thereof
  • Low-noise electromagnetic switch and making method thereof
  • Low-noise electromagnetic switch and making method thereof

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Embodiment Construction

[0070] With reference to the accompanying drawings, the purpose, structure and effects of the present invention will be described in detail through ideal embodiments of the present invention.

[0071] figure 2 It is a longitudinal sectional view showing the structure of the low-noise electromagnetic switch for direct current breaking in the present invention. image 3 It is a plan view showing the structure of the low-noise electromagnetic switch for DC breaking in the present invention. refer to figure 2 , image 3 The structure of the low-noise electromagnetic switch for DC breaking in the present invention will be described.

[0072] The low-noise electromagnetic switch for DC breaking of the present invention includes a built-in switch 100 , an outer case 200 and a filler 300 .

[0073] The built-in switch 100 includes: a movable part having contacts; a gas sealing part that seals a filling space filled with an arc-extinguishing gas for arc extinguishing; and a magne...

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PUM

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Abstract

The present invention provides a low-noise electromagnetic switch applied to an electric car, whereby noise generated by vibration from an inner switch is prevented from being transmitted to the outside box by filling up a filler-up material between the inner switch and the outside box.

Description

technical field [0001] The invention relates to an electromagnetic switch for breaking direct current, in particular to a low-noise electromagnetic switch and a manufacturing method thereof. Background technique [0002] In electric vehicles such as hybrid (HYBRID) vehicles, fuel cell vehicles, golf carts (GOLF CART) and electric forklifts, the electromagnetic switch for breaking the DC current is set between the battery and the DC current conversion device. The function of supplying or cutting off the DC current in the battery to the DC current conversion device. [0003] Moreover, for environmentally friendly power generation systems such as solar power generation systems and wind power generation systems, the electromagnetic switch for breaking the DC current is installed between the DC generator and the inverter that converts the DC generated current into an AC current with a common frequency and voltage. (Inverter) performs the function of supplying or cutting off the ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01H50/00H01H50/02H01H49/00
CPCH01H51/065H01H50/305H01H50/023H01H2050/166H01H2009/0278H01H45/02
Inventor 金永凤赵显吉朴洪泰
Owner LSIS CO LTD
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