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Intelligent battery charging test instrument

A smart battery and tester technology, applied in the direction of instruments, measuring electricity, measuring devices, etc., can solve the problems of high repair and maintenance costs, achieve the effects of cost reduction, avoiding excessive current, and prolonging service life

Pending Publication Date: 2019-04-23
CHENGDU LANCOL TECH +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to overcome the problem that the whole set needs to be replaced when a problem occurs in the new energy vehicle battery pack, resulting in very high repair and maintenance costs for the new energy vehicle battery pack, and provides an intelligent battery charging tester. By using the present invention, It can detect and analyze the battery of the new energy vehicle battery pack, quickly judge the quality of the single battery in the battery pack, so that the battery pack does not need to be replaced when the battery pack is damaged, saving the cost of battery replacement

Method used

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Examples

Experimental program
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Effect test

Embodiment 1

[0019] Such as figure 1 with figure 2 As shown, the present embodiment includes a microprocessor, a test signal generation circuit, a current detection circuit, a battery, a voltage detection circuit A, a voltage detection circuit B and a signal processing circuit, and the output terminal of the microprocessor is connected to the input of the test signal generation circuit connected to the terminal and send the generated PWM signal to the test signal generating circuit; the output terminal of the test signal generating circuit is connected to the input terminal of the battery and the current detection circuit, and the test signal generating circuit is interrupted according to the PWM frequency to form an AC test signal and transmit the AC test signal To the battery and the current detection circuit; the output terminal of the current detection circuit is connected to the input terminal of the microprocessor and the current detection signal is input to the microprocessor; the ...

Embodiment 2

[0021]In order to regulate different charging currents and voltages according to the different states of the battery, ensure that the battery will not be overcharged, will not be fully charged, avoid excessive current during charging, heat inside the battery, etc., and prolong the service life of the battery. Further limitations are made on the basis of Embodiment 1. This embodiment also includes a charging module, and the charging module includes a socket XS1, an optocoupler U1, a switching power supply chip UC3843, a MOS transistor Q1, a MOS transistor Q4, a high-frequency transformer T1, Fuse F1, rectifier bridge D and thermistor RT1, the two input terminals of the rectifier bridge are respectively connected to one end of fuse F1 and thermistor RT1, the other end of fuse F1 and thermistor RT1 is connected to power supply J1, and the output terminal of the rectifier bridge It is connected to the thirteenth pin of the high-frequency transformer T1, the fuse F1, the rectifier b...

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Abstract

The invention relates to an intelligent battery charging test instrument, which comprises a microprocessor, a test signal generating circuit, a current detecting loop, a battery, a voltage detecting loop A, a voltage detecting loop B and a signal processing circuit, wherein the microprocessor is connected with the test signal generating circuit; the test signal generating circuit is connected witha battery and the current detecting loop; the current detecting loop is connected with the microprocessor; a positive electrode of the battery is connected with the voltage detecting loop A; the voltage detecting loop A is connected with the microprocessor; the voltage detecting loop B is connected with a positive electrode of the battery; the voltage detecting loop B is connected with the microprocessor; the signal processing circuit is connected with the positive electrode of the battery and the negative electrode of the battery; the signal processing circuit is connected with the microprocessor. Through the intelligent battery charging test instrument, batteries of a battery pack can be detected and analyzed; the good and bad conditions of single batteries in the battery pack can be fast judged, so that the whole pack replacement is not needed when the battery pack is damaged; the battery replacement cost is reduced.

Description

technical field [0001] The invention relates to the field of new energy battery charging and detection, in particular to an intelligent battery charging tester. Background technique [0002] With the acceleration of the modernization process, the development of automobiles has accelerated rapidly. Automobiles are the main means of transportation in the current society. The number of automobiles in my country has reached 322 million, which is a huge number. Existing automobiles mainly burn oil and natural gas, which are non-renewable Resources, automobiles consume a lot of energy and have a great impact on the environment. The development of new energy has promoted the development of new energy vehicles, and the share of new energy vehicles is increasing day by day. The pollution is small, and the battery cost of new energy vehicles is very high. The batteries of new energy vehicles are mainly in the form of battery packs. When the battery packs of new energy vehicles have prob...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01R31/3842G01R31/396G01R31/392
Inventor 谭小舟
Owner CHENGDU LANCOL TECH