Battery pack charging system and method and electric vehicle
A charging system and electric battery technology, which is applied in the field of battery pack charging system for battery replacement, and can solve problems such as easy misoperation
Pending Publication Date: 2021-12-10
DONGFENG LIUZHOU MOTOR
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Problems solved by technology
[0003] The main purpose of the present invention is to provide a battery pack charging system and method for battery replacement and electric vehicles, aiming to solve the technical problem in the prior art that the high-voltage relay is easily misoperated by manual control through the host computer
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[0042] It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.
[0043] 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 part of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.
[0044]It should be noted that all directional indications (such as up, down, left, right, front, back...) in the embodiments of the present invention are only used to explain the relationship between the components in a certain posture (as shown in the accompanying drawings). Relative positio...
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The invention belongs to the technical field of electric vehicles, and discloses a battery pack charging system and method and an electric vehicle. The battery pack charging system comprises a battery module, a battery interface circuit, a charger and a charging interface circuit, wherein the battery module comprises a battery pack, a controller and a high-voltage relay which are connected in sequence, the charging interface circuit outputs a first connection signal to the controller, the battery interface circuit outputs a second connection signal to the charger, the controller switches on the high-voltage relay according to the first connection signal and the second connection signal to charge the battery pack, and the controller is also used for switching off the high-voltage relay when a fault condition or a full charge condition is met, so that charging of the battery pack is stopped. By improving the interface circuit, automatic control of the relay is realized, and safe and reliable charging is ensured while damage to the battery pack caused by human factors is prevented.
Description
technical field [0001] The invention relates to the technical field of electric vehicles, in particular to a charging system and method for a battery swapping battery pack and an electric vehicle. Background technique [0002] At present, with the gradual development of new energy sources, the battery pack is increasingly accepted by the public in the battery swap mode. After the battery pack is replaced from the car, it needs to be charged at the battery swap station. At this stage, when the battery pack is charging, the internal relay Manually controlling the pull-in and disconnection through the host computer has certain safety risks, and it is easy to misuse or miss operation, which will cause certain damage to the battery pack relay. In order to ensure safe, reliable, convenient and quick charging of the battery pack in the single-pack state, and to protect the battery pack, it is necessary to improve the charging control method of the battery pack in the single-pack st...
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IPC IPC(8): H02J7/00H02H7/18
CPCH02J7/0045H02J7/0036H02J7/0031H02J7/00032H02H7/18
Inventor 蒋涛何佳健伍健马洁高张志强李东萍梁冬妮黄灏
Owner DONGFENG LIUZHOU MOTOR