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Battery charging and replacing system

A technology for charging and replacing batteries and charging requirements, which is applied in the field of charging and replacing systems, and can solve problems such as reducing the service life of charging and replacing systems.

Pending Publication Date: 2021-06-08
INVENTRONICS HANGZHOU +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, due to the simultaneous charging of multiple energy storage battery packs by the grid through an AC / DC conversion unit, there is a problem of energy conversion between energy storage battery packs, which reduces the service life of the charging and swapping system.

Method used

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Embodiment Construction

[0033] The following will clearly and completely describe the technical solutions in the embodiments of the present application with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only some of the embodiments of the present 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 protection scope of this application.

[0034] The core of the present application is to provide a charging and swapping system to reduce electricity cost.

[0035] In order to enable those skilled in the art to better understand the solution of the present application, the present application will be further described in detail below in conjunction with the drawings and specific implementation methods.

[0036] figure 1 It is a circuit diagram of a charging and swapping system provided in the embodim...

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Abstract

The invention discloses a battery charging and replacing system which comprises a plurality of AC / DC conversion units connected with a power grid, switch units connected with the AC / DC conversion units respectively, diode groups connected with the switch units and the AC / DC conversion units in a one-to-one correspondence mode, a plurality of groups of energy storage batteries connected with the switch units, DC / DC conversion units and a control unit. Anodes of the diode groups are connected with the output ends of the AC / DC conversion units in a one-to-one correspondence manner, and the cathodes of the diode groups are connected with each other and then are connected with the switch units. The anodes of the diode groups are respectively connected with the output ends of the AC / DC conversion units in a one-to-one correspondence manner, so that when the power grid supplies power to the energy storage batteries, the diodes correspondingly connected with the AC / DC conversion units enable the AC / DC conversion units to only charge the energy storage batteries correspondingly connected with the AC / DC conversion units, energy conversion among different energy storage battery groups is avoided. And the service life of the battery charging and replacing system is prolonged.

Description

technical field [0001] The present application relates to the technical field of power electronics, in particular to a charging and swapping system. Background technique [0002] With the development of science and technology, new energy electric vehicles, as a model of clean energy use, have gradually become the focus of the automobile industry and energy development, and have gradually become a relatively important part of human daily life. [0003] At present, the charging and swapping system for powering new energy electric vehicles is mainly connected to multiple energy storage battery packs through an AC / DC conversion unit, so that the electric energy of the grid can charge multiple energy storage battery packs at the same time. However, when the power grid simultaneously charges multiple energy storage battery packs through an AC / DC conversion unit, there is a problem of energy conversion between the energy storage battery packs, thereby reducing the service life of t...

Claims

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Application Information

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IPC IPC(8): B60L53/30B60L53/53B60L53/80B60L53/63
CPCB60L2210/10B60L2210/30B60L53/30B60L53/53B60L53/63B60L53/80Y02T10/70Y02T10/7072Y02T10/72Y02T90/12
Inventor 张华建
Owner INVENTRONICS HANGZHOU
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