Apparatus and method for calculating insulation resistance of battery
A technology of insulation resistance and calculation device, which is applied in the field of devices for calculation of insulation resistance
Active Publication Date: 2021-08-31
LG ENERGY SOLUTION LTD
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[0016] The present disclosure is designed to solve problems such as the foregoing, and therefore, the present disclosure aims to provide a method for quickly and accurately calculating the insulation of a battery before the parasitic capacitance of each battery connected to both sides of the battery is sufficiently discharged. Apparatus and methods for resistance
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[0045] Hereinafter, preferred embodiments of the present disclosure will be described in detail with reference to the accompanying drawings. Before the description is made, it should be understood that the terms or words used in the specification and appended claims should not be construed as limited to the ordinary and dictionary meanings, but are based on appropriate definitions corresponding to the best constructions according to the inventors are allowed to. The meaning and concepts of the technical aspects of the present disclosure to explain the principles.
[0046] Therefore, the embodiments described herein and the illustrations shown in the accompanying drawings are only the most preferred embodiments of the present disclosure, and are not intended to describe the present disclosure completely, so it should be understood that, at the time of filing this application, the It carries out other equivalents and modifications.
[0047] Also, in describing the present discl...
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An apparatus for calculating insulation resistance according to an embodiment of the present disclosure includes: a switching unit including a first switch and a second switch independently controlled; a first protection resistor and a first reference resistor when the first switch is turned on is connected in series between the ground and the positive terminal of the battery; the second protection resistor and the second reference resistor are connected in series between the ground and the negative terminal of the battery when the second switch is turned on; the voltage measuring unit, configured to measure a first detection voltage applied to a first reference resistor and a second detection voltage applied to a second reference resistor; and a processor configured to determine a measurement at the first detection voltage and the second detection voltage Is there a measurement error in the voltage measurement value?
Description
technical field [0001] This application claims priority from Korean Patent Application No. 10-2016-0152758 filed in Korea on Nov. 16, 2016, the disclosure of which is incorporated herein by reference. [0002] The present disclosure relates to an apparatus and method for calculating insulation resistance, and more particularly, to an apparatus and method for quickly and accurately calculating insulation resistance of a battery in consideration of parasitic capacitance of the battery. Background technique [0003] Recently, the demand for portable electronic products such as laptop computers, video cameras, and mobile phones has increased dramatically, and with the widespread development of electric vehicles, energy storage devices, robots, and satellites, research is being conducted on high-performance secondary batteries that can be repeatedly charged. Many studies. [0004] At present, secondary batteries available on the market include nickel-cadmium batteries, nickel-hy...
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IPC IPC(8): G01R27/02G01R31/12G01R31/392
CPCG01R31/36G01R27/02G01R27/025G01R27/08Y02E60/10G01R31/389G01R31/388H01M10/48G01R31/3835G01R31/367G01R27/14
Inventor 金地勋成昌炫
Owner LG ENERGY SOLUTION LTD