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Vehicle and charging system of low-voltage storage battery

A low-voltage battery and power supply technology, which is applied to the field of vehicles with the power supply system, can solve the problems of vehicles being unable to be powered on and started, and achieve the effect of reducing the number of components and wiring harnesses and reducing costs.

Inactive Publication Date: 2021-03-09
宝能汽车集团有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

When the vehicle does not start for a long time, there will be a low-voltage battery feed, which will cause the vehicle to be unable to power on and start

Method used

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  • Vehicle and charging system of low-voltage storage battery
  • Vehicle and charging system of low-voltage storage battery
  • Vehicle and charging system of low-voltage storage battery

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Embodiment Construction

[0024] Embodiments of the present invention will be described in detail below, and examples of the embodiments are illustrated in the drawings, in which the same or similar reference numerals represent the same or similar elements or elements having the same or similar functions. The following is exemplary, and is intended to be used to illustrate the invention without understanding the limitation of the invention.

[0025] This application is made based on the awareness and research of the following issues based on the inventors:

[0026] When the vehicle does not start for a long time, a low-voltage battery feed is caused, resulting in a problem that the vehicle cannot power up and start, that is, in the case of electricity parking, the low voltage battery is monitored by monitoring the low voltage battery. Output voltage, once the voltage is below a certain particular value, the energy storage system is automatically activated to charge the low voltage battery.

[0027] In the ...

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Abstract

The invention provides a vehicle and a low-voltage storage battery charging system, and the system comprises an operational circuit which is used for collecting a first voltage outputted by a positiveelectrode output end of a low-voltage storage battery, and outputting an activation voltage to a control unit when the first voltage is lower than a preset low-voltage threshold value, so as to wakeup the control unit; and the control unit is used for sending an awakening message to the bus after being awakened so as to awaken the energy storage system. According to the charging system of the low-voltage storage battery, on the premise of charging the low-voltage storage battery, the number of parts and the number of wiring harnesses can be reduced, and the cost is reduced.

Description

Technical field [0001] The present invention relates to the field of vehicle technologies, and more particularly to a replenishing system of a low-voltage battery and a vehicle having the replenishment system. Background technique [0002] With the emergence of new energy vehicles, the charging implementation of the car low-voltage battery is no longer a traditional vehicle engine using pulley system transmission generator power generation to low voltage grid and low voltage battery, but uses the energy storage system to pass the DCDC converter to low voltage grid and low voltage. battery charging. This allows the low voltage battery to be charged even if the vehicle drive system is not working. When the vehicle does not start for a long time, a low-voltage battery feed is caused, causing the vehicle that cannot be powered and started. Inventive content [0003] The present invention is intended to solve one of the technical problems in the relevant techniques at least to some e...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B60L58/10
CPCB60L58/10Y02T10/70
Inventor 樊轩逸袁莲清霍仲乐
Owner 宝能汽车集团有限公司
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