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Charging device and new energy automobile

A new energy vehicle, charging device technology, applied in electric vehicles, charging stations, battery/fuel cell control devices, etc., can solve the problems of increasing communication nodes and control nodes, many components, and high cost

Pending Publication Date: 2022-04-12
HUAWEI DIGITAL POWER TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] After electrifying the low-voltage battery with lithium, an independent battery management system (battery management system, BMS) needs to be configured for the low-voltage battery.
In addition, due to the addition of BMS, new communication nodes and control nodes are added inside the car, which greatly increases the difficulty of overall control of new energy vehicles

Method used

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  • Charging device and new energy automobile
  • Charging device and new energy automobile
  • Charging device and new energy automobile

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Embodiment Construction

[0033] In order to make the purpose, technical solution and advantages of the application clearer, the application will be further described in detail below in conjunction with the accompanying drawings. It should be noted that in the description of the present application, "at least one" refers to one or more, wherein a plurality refers to two or more. In view of this, "multiple" can also be understood as "at least two" in the embodiments of the present invention. "And / or" describes the association relationship of associated objects, indicating that there may be three types of relationships, for example, A and / or B may indicate: A exists alone, A and B exist simultaneously, and B exists independently. In addition, the character " / ", unless otherwise specified, generally indicates that the associated objects before and after are in an "or" relationship. In addition, it should be understood that in the description of this application, words such as "first" and "second" are onl...

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PUM

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Abstract

The invention provides a charging device and a new energy automobile, the charging device is applied to the new energy automobile, the new energy automobile comprises a first battery and a second battery, the first battery provides driving power for the new energy automobile, the second battery supplies power to load equipment in the automobile, the charging device comprises a charging unit and a universal unit, the charging unit comprises a DCDC circuit and a BMS, and the universal unit comprises a battery module and a battery module. The universal unit comprises a control module, a communication module and an auxiliary power supply module; the auxiliary power supply module supplies power to the charging unit and the control module; the control module is used for controlling the charging unit to supply electric energy of the first battery to the second battery; the control module is used for controlling the charging unit to connect or disconnect the second battery with the first battery and the in-vehicle load device, and adjusting the charging and discharging power of the second battery to the in-vehicle load device. By means of the device, the size and weight of the charging device can be reduced, the service life of the battery is prolonged, the communication and control architecture in the vehicle is simplified, and the arrangement space and the wiring harness cost of the whole vehicle are saved.

Description

technical field [0001] The present application relates to the technical field of charging and discharging of new energy vehicles, in particular to a charging device and a new energy vehicle. Background technique [0002] Traditional fuel-powered vehicles are currently being gradually replaced by new energy vehicles, such as: battery electric vehicles (battery electric vehicle, BEV), plug-in hybrid electric vehicles (plug-in hybrid electric vehicle, PHEV) and hybrid electric vehicles ( hybrid electric vehicle, HEV). The power supply part of a new energy vehicle is generally composed of a high voltage power battery and a low voltage battery; among them, the low voltage battery is mainly used to supply power for automatic driving equipment, car entertainment equipment and other terminal equipment , with the development of new energy vehicles, the number of the above-mentioned equipment continues to increase, resulting in a gradual increase in the demand for low-voltage loads i...

Claims

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Application Information

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IPC IPC(8): B60L53/00B60L58/10B60L1/00
CPCY02T10/70Y02T10/7072Y02T90/14Y02T90/16B60L50/70B60L58/18B60L58/26B60L58/27B60L58/30B60L58/40B60L58/20B60L2240/545B60L2240/547B60L2240/549B60L1/00B60L53/20B60L53/22B60L53/305
Inventor 胡艳军文锋王天宇
Owner HUAWEI DIGITAL POWER TECH CO LTD