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Capacity balancing manager for storage battery pack

A battery pack and manager technology, which is applied in current collectors, battery circuit devices, electric vehicles, etc., can solve problems such as lack of battery pack maintenance technology, and achieve the effects of high cost performance, simple operation, and guaranteed service life

Inactive Publication Date: 2017-12-05
CHENGDU UNIV OF INFORMATION TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Most of them do not have the advanced maintenance technology for related battery packs, and only large-scale production enterprises have invested heavily in research and development to achieve certain results

Method used

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  • Capacity balancing manager for storage battery pack
  • Capacity balancing manager for storage battery pack
  • Capacity balancing manager for storage battery pack

Examples

Experimental program
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Effect test

Embodiment

[0024] Such as Figure 1 to Figure 6 As shown, a battery pack capacity balance manager includes an STM32 microcontroller, an ADC voltage collection module connected to the STM32 microcontroller, an internal resistance measurement circuit connected to the STM32 microcontroller, and a relay switch circuit connected to the STM32 microcontroller. The display circuit on the STM32 microcontroller, the relay switch circuit connected to the STM32 microcontroller, and the power supply circuit for the STM32 microcontroller;

[0025] The relay switch circuit includes a relay J1, a 5V power supply connected to the 5th pin of the relay J1, a diode D2 connected to the negative pole of the 5V power supply, and the positive pole connected to the 2nd pin of the relay J1, and the collector to the 2nd pin of the relay J1. Transistor Q2 with pin connection and emitter grounding, resistor R1 connected to the base of transistor Q2 at one end, connector CON4 connected to the first pin and the other ...

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PUM

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Abstract

The invention discloses a capacity balancing manager for a storage battery pack, and mainly solves a problem that the voltage real-time changes of the storage battery pack in a power supply process causes the imbalanced power supply of the storage battery pack in the prior art. The manager comprises an STM32 single-chip microcomputer, an ADC collection voltage module connected to the STM32 single-chip microcomputer, an internal resistance measurement circuit connected to the STM32 single-chip microcomputer, a relay switching circuit connected to the STM32 single-chip microcomputer, a display circuit connected to the STM32 single-chip microcomputer, a relay switching circuit connected to the STM32 single-chip microcomputer, and a power supply circuit for supplying power to the STM32 single-chip microcomputer. According to the above technical scheme of the invention, the method achieves the quick and accurate capacity detection and charging and discharging maintenance of the storage battery pack, greatly improves the utilization efficiency of the battery pack, greatly prolongs the service life of the battery pack, and is very high in practical value and popularization value.

Description

technical field [0001] The invention belongs to the field of charging and discharging batteries, and in particular relates to a storage battery group capacity equalization manager. Background technique [0002] With the extensive application of portable power supplies, related detection and maintenance technologies have also been flourishing. Due to the real-time changes in the voltage of the battery pack during the power supply process, the unbalanced power supply of the battery pack is caused. Due to the performance difference of the single cells during the use of the battery pack, the capacity difference in the long-term charge and discharge process continues to increase, which eventually leads to Lead-acid battery pack performance drops dramatically and it shortens cycle life. In many electrical fields, in order to improve battery efficiency and delay battery loss to the greatest extent, a large number of experts and engineers have developed related maintenance technolo...

Claims

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Application Information

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IPC IPC(8): H02J7/00
Inventor 庄慧敏张江林柯贤意向开波赵美凤黄宗慧唐必秀黄宗莉
Owner CHENGDU UNIV OF INFORMATION TECH
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