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Relay control device

A technology of relay control and relay, applied in current collectors, circuit monitoring/indication, instruments, etc., can solve problems such as damage, and achieve the effect of preventing surge damage and preventing damage

Pending Publication Date: 2021-12-07
LG ENERGY SOLUTION LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0009] Therefore, the problem of Patent Document 1 is that even if there is no overcurrent, damage may be caused by applying a voltage higher than the withstand voltage of the charging switch and the discharging switch based on the maximum voltage of the capacitor

Method used

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Embodiment Construction

[0036] It should be understood that the terms used in this specification and the appended claims should not be construed as being limited to the ordinary and dictionary meanings, but should be based on the principle of allowing the inventor to define the terms as appropriate for best description, It is interpreted based on the meaning and idea corresponding to the technical aspect of the present disclosure.

[0037] Therefore, the description herein is only a preferred example for the purpose of illustration, and is not intended to limit the scope of the present disclosure, so it should be understood that other equivalent replacements and modifications can be made thereto without departing from the scope of the present disclosure. .

[0038] Also, in describing the present disclosure, when it is considered that a detailed description of a related known element or function would obscure the key subject matter of the present disclosure, the detailed description will be omitted h...

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Abstract

A relay control device according to an embodiment of the present disclosure includes: a relay provided on a main path between a battery cell and a component terminal and configured to electrically connect or disconnect the main path according to an operation state of the relay; and a comparator configured to receive a comparison voltage from the main path and output a result signal to the relay based on a difference between a reference voltage and the comparison voltage, wherein the relay is configured to receive the result signal and control the operation state to be an on state or an off state according to the size of the received result signal.

Description

technical field [0001] This application claims the benefit of Korean Patent Application No. 10-2020-0000993 filed in Korea on January 3, 2020, the disclosure of which is incorporated herein by reference. [0002] The present disclosure relates to relay control devices, and more particularly, to relay control devices for preventing surges from flowing into relays. Background technique [0003] Recently, the demand for portable electronic products such as notebook computers, video cameras, and cellular phones has increased dramatically, and electric vehicles, energy storage batteries, robots, artificial satellites, etc. have been developed in earnest. Therefore, high-performance batteries that allow repeated charge and discharge are being actively researched. [0004] Currently commercially available batteries include nickel-cadmium batteries, nickel-metal hydride batteries, nickel-zinc batteries, lithium batteries, and the like. Among these batteries, lithium batteries have...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02J7/00H02H7/18
CPCH02J7/0031H02J7/00308H02H7/18H02H3/20H02H3/006Y02E60/10H02J7/0029G01R19/165G01R31/3278H02J7/0047H02J7/0063H03K17/082
Inventor 金学淳
Owner LG ENERGY SOLUTION LTD