Charging control method, device and system and storage medium
A charging control method and charging control technology, which are applied in circuit devices, battery circuit devices, circuit monitoring/indication, etc., can solve the problems of low output voltage, low low-voltage charging efficiency, affecting the charging efficiency of electric vehicles, etc., and improve charging efficiency. Effect
Pending Publication Date: 2022-06-03
VIRIDI E MOBILITY TECH NINGBO CO LTD +2
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Problems solved by technology
However, the output voltage of existing charging piles is low, which cannot meet the charging needs of electric vehicle battery packs
[0003] In order to solve the problem of low-voltage charging efficiency of electric vehicles, the electric vehicle industry has introduced a vehicle-mounted boost charging solution. By installing a vehicle-mounted boost charging module on the electric vehicle, the voltage of the charging pile itself is used for charging at the beginning of charging. When the battery After the battery voltage rises, use the on-board boost charging module to increase the charging voltage for boost charging
[0004] However, the current national standard charging standard process does not propose a standard charging switching process, but manual operation is required to switch to boost charging. The degree of automation is poor, which affects the charging efficiency of electric vehicles.
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[0061] In order to make the purposes, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments These are some embodiments of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.
[0062] In the technical solutions of the present disclosure, the collection, storage, use, processing, transmission, provision, and disclosure of the user's personal information involved are all in compliance with relevant laws and regulations, and do not violate public order and good customs.
[0063] In order to solve the problem ...
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The invention provides a charging control method, device and system and a storage medium, the method is applied to a charging control module of a battery charging control system, and the method comprises the following steps: in response to a charging instruction sent by a battery control module, controlling a first charging branch to charge according to the charging instruction, receiving a first switching instruction returned by the battery control module, the first switching instruction is generated when the battery control module judges that the charging current in the first charging branch is smaller than or equal to the first current; in response to a first switching instruction sent by the battery control module, closing the first charging branch, determining a boost duty ratio according to a switching frequency threshold value and conduction time of a first switching tube included in a boost module in the second charging branch, and generating a boost charging instruction according to the boost duty ratio, and boost charging is performed on the vehicle-mounted battery according to the boost charging instruction, so that the charging efficiency of the electric vehicle is improved.
Description
technical field [0001] The present invention relates to the technical field of electric vehicles, and in particular, to a charging control method, device, system and storage medium. Background technique [0002] In order to increase the cruising range of electric vehicles, the capacity of the battery pack is getting larger and larger, and the voltage level is getting higher and higher. However, the output voltage of the existing charging piles is low, which cannot meet the charging requirements of electric vehicle battery packs. [0003] In order to solve the problem of low low-voltage charging efficiency of electric vehicles, the electric vehicle industry has introduced an on-board boost charging solution. By installing an on-board boost charging module on the electric vehicle, the charging pile itself is used for charging at the beginning of charging. After the package voltage is increased, the on-board boost charging module is used to increase the charging voltage for bo...
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IPC IPC(8): H02J7/00H02J7/06
CPCH02J7/00712H02J7/00032H02J7/0047H02J7/06Y02T90/14
Inventor 李常珞黎明福蔡彦强其他发明人请求不公开姓名
Owner VIRIDI E MOBILITY TECH NINGBO CO LTD