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Direct-current boosting device and charging control method

A technology of DC boost and control signal, applied in charging stations, circuit devices, battery circuit devices, etc., can solve the problems of limited output voltage of charging piles, and the inability of charging piles to charge electric vehicles.

Pending Publication Date: 2021-11-09
SHINRY TECH
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

In practical applications, due to the consideration of construction costs, the output voltage of the charging pile is limited. Therefore, after increasing the amount of charge stored in the battery pack, during the charging process, the maximum output voltage of the charging pile will be lower than that of the battery pack. The voltage problem, which will cause the charging pile to be unable to charge the electric vehicle

Method used

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  • Direct-current boosting device and charging control method
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  • Direct-current boosting device and charging control method

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Embodiment Construction

[0031] The following will clearly and completely describe the technical solutions in the embodiments of the application with reference to the drawings in the embodiments of the application. Apparently, the described embodiments are only some of the embodiments of the application, not all of them. Based on the embodiments in this application, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of this application.

[0032] It should be understood that when used in this specification and the appended claims, the terms "comprising" and "comprises" indicate the presence of described features, integers, steps, operations, elements and / or components, but do not exclude one or Presence or addition of multiple other features, integers, steps, operations, elements, components and / or collections thereof. In addition, the terms "first", "second", and "third", etc. are used to distinguish different object...

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Abstract

The invention provides a direct-current boosting device and a charging control method. The method comprises the steps of obtaining the input voltage of the direct-current boosting device, and converting the input voltage of the direct-current boosting device into the output voltage of the direct-current boosting device for charging a battery pack, wherein the output voltage of the direct-current boosting device is greater than or equal to the input voltage of the direct-current boosting device, and a control signal is obtained according to the output voltage of the direct-current boosting device, the input current of the direct-current boosting device and the output voltage of the direct-current boosting device. When a charging pile outputs constant current to the direct-current boosting device, the control signal controls the input voltage of the direct-current boosting device so as to control the output voltage of the charging pile. When the charging pile outputs constant voltage to the direct-current boosting device, the control signal controls the output voltage of the direct-current boosting device.

Description

technical field [0001] The present application relates to the field of new energy vehicles, in particular to a DC booster and a charging control method. Background technique [0002] New energy electric vehicles have the advantages of high efficiency, energy saving, low noise, and zero emissions. They are the development trend of new energy vehicles in the future. However, the promotion of electric vehicles is still limited by the mileage and charging technology. At present, in order to increase the mileage of a single charge of new energy electric vehicles, most manufacturers will choose to increase the amount of charge stored in the on-board battery pack. The voltage of the battery pack increases with the increase in the charge in the battery pack. In practical applications, due to the consideration of construction costs, the output voltage of the charging pile is limited. Therefore, after increasing the amount of charge stored in the battery pack, during the charging proc...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02J7/00B60L53/62B60L58/12
CPCH02J7/00712H02J7/007182H02J7/0048B60L53/62B60L58/12H02J2207/20Y02T10/70Y02T10/7072Y02T90/12Y02T10/72
Inventor 杨帅赵德琦吴壬华
Owner SHINRY TECH
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