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Relay system

A relay, a pair of technology, applied in relays, circuits, electrical components and other directions, can solve the problems of high cost and many structures, and achieve the effect of reducing weight, reducing cost and enhancing convenience

Pending Publication Date: 2022-08-02
IAT AUTOMOBILE TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The present invention provides a relay system to solve the problem of connecting and cutting off the control circuit and detecting the current by using two parts of the relay and the current detection component (shunt or current sensor) in the prior art, resulting in more structures , a costly problem

Method used

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Embodiment Construction

[0030] In order to make the above and other features and advantages of the present invention more apparent, the present invention is further described below with reference to the accompanying drawings. It should be understood that the specific embodiments given herein are for the purpose of explaining to those skilled in the art, and are merely illustrative and not restrictive.

[0031] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", " Back, Left, Right, Vertical, Horizontal, Top, Bottom, Inner, Outer, Clockwise, Counterclockwise, Axial , "radial", "circumferential" and other indicated orientations or positional relationships are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or imp...

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PUM

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Abstract

The invention provides a relay system, and belongs to the high-voltage electrical field of electric vehicle power batteries, and the relay system provided by the invention comprises a control circuit with an interruption part, and a relay unit which is arranged on the control circuit and corresponds to the interruption part; the relay unit comprises a pair of fixed units arranged at the two ends of the interruption part respectively, and a movable unit of which the two ends can be in fit contact with the pair of fixed units respectively; the movable unit is provided with a resistor unit in series and a voltage measuring unit in parallel, wherein the voltage measuring unit can measure the voltage at the two ends of the movable unit. According to the scheme, a shunt or a current sensor is omitted, the cost is greatly reduced, the convenience of assembly and maintenance is enhanced, the weight is reduced, light weight is facilitated, a relay adhesion detection function can be integrated, and the safety of an electrical loop is improved.

Description

technical field [0001] The invention relates to the high-voltage electrical field of electric vehicle power batteries, in particular to a relay system. Background technique [0002] Due to the unique electrical and physical characteristics of the relay in the control circuit, its high insulation resistance in the off-state and low on-state resistance in the on-state make it impossible for any other electronic components to compare with it, so it is widely used in aerospace, aviation, Military electronic equipment, information industry and various electronic equipment of the national economy. During the use of the relay, when there is a large instantaneous inrush current at the control end, there is a mutually repulsive force between the closed moving contact and the static contact, which may cause the contacts to be disconnected and generate an arc, which in turn melts the contacts. And welded together, resulting in failure, affecting the control of the system. [0003] Ho...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01H47/02H01H47/00
CPCH01H47/02H01H47/002Y02T10/70
Inventor 张志卓盖伟
Owner IAT AUTOMOBILE TECH
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