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Battery capacity test system and method in full vehicle state

A technology of battery capacity and vehicle status, applied in the field of battery capacity testing systems under the vehicle status, can solve the problem of inability to confirm the battery status, and achieve the effect of high efficiency and simple and convenient operation.

Inactive Publication Date: 2019-07-26
深蓝汽车科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The entire test process is restricted by equipment and venue, and it is impossible to confirm the battery status during vehicle maintenance

Method used

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  • Battery capacity test system and method in full vehicle state
  • Battery capacity test system and method in full vehicle state
  • Battery capacity test system and method in full vehicle state

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Embodiment Construction

[0031] The first object of the present invention is to provide a battery capacity test system in the whole vehicle state. The structural design of the battery capacity test system in the whole vehicle state enables it to confirm the state of the battery during vehicle maintenance and avoid disassembling the battery assembly. simplifies steps and improves efficiency, and the second object of the present invention is to provide a method for testing battery capacity in a complete vehicle state.

[0032] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection ...

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Abstract

The invention discloses a battery capacity test system and method in a full vehicle state. The system comprises a transfer collector, a discharge load and a controller, the transfer collector is connected between a full vehicle battery and a full vehicle wiring harness and collects voltage and current data in a charging and discharging process of the full vehicle battery; the discharge load is connected to a high voltage end of the transfer collector; the controller is connected to a low voltage end of the transfer collector, the controller comprises a control module, and a signal analysis module and a display module, which are connected to the control module, the signal analysis module is used for receiving the voltage and current data collected by the transfer collector and transmittingthe voltage and current data to the control module, and the control module is used for processing the voltage and current data to obtain predetermined battery relevant parameters and feeding back thepredetermined battery relevant parameters through the display module; and by adoption of the above system and method, the state and the performance of the battery can be tested without disassembling the full vehicle battery, so that the operation is simple, the efficiency is high, the battery can be tested during the maintenance of the vehicle, thereby being not limited by time, place or site.

Description

technical field [0001] The invention relates to the technical field of battery testing, in particular to a battery capacity testing system and method in a complete vehicle state. Background technique [0002] As the number of cycles and usage time increase, the battery will gradually age and its actual capacity will gradually decrease. If the attenuation of the actual capacity cannot be grasped relatively accurately, it will affect the accuracy of using the AH integral algorithm to estimate the percentage of remaining battery charge (State of charge, SOC) and use the actual capacity of the battery to estimate the health of the battery, that is, the current capacity of the battery is different from that of the factory. The percentage of capacity (State of health, SOH) accuracy. As a result, errors in the monitoring and management of the battery lead to overcharge or overdischarge of the battery, which affects the stability, safety and life of the battery during use. [0003...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01R31/387
CPCG01R31/386G01R31/387
Inventor 杨勇陈建蒲江周金龙唐跃辉邓柯军陈炜苏岭
Owner 深蓝汽车科技有限公司
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