Battery pack ageing device and method

A technology of aging device and battery pack, which is applied in the direction of measuring device, measuring electricity, measuring electric variables, etc., and can solve the problems of high aging cost and waste of electric energy

Pending Publication Date: 2018-05-01
深圳市百耐信科技有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, in the existing aging devices for battery packs, resistive loads are often used to consume the ene...

Method used

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  • Battery pack ageing device and method
  • Battery pack ageing device and method
  • Battery pack ageing device and method

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Embodiment Construction

[0036] 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 some of the embodiments of the present invention, but 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 making creative efforts belong to the protection scope of the present invention.

[0037] exist Figure 1 to Figure 5 In , structures with similar or identical structures are denoted by the same reference numerals.

[0038] see figure 1 , figure 1 It is a schematic diagram of the circuit structure of the battery pack aging device in the embodiment of the present application. The battery pack aging device 10 is used for performing aging treatment on the battery pack. Here the battery pack can be a power battery pack.

[0039...

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Abstract

The invention discloses a battery pack ageing device and method. The device comprises a controller, a first bidirectional DC-DC converter, a second bidirectional DC-DC converter, a first battery pack,a second battery pack and an AC-DC converter; the first bidirectional DC-DC converter, the second bidirectional DC-DC converter and the AC-DC converter are separately in communication connection withthe controller; the AC-DC converter is electrically connected with the first bidirectional DC-DC converter and the second bidirectional DC-DC converter through direct-current buses; the first bidirectional DC-DC converter is electrically connected with the first battery pack; the second bidirectional DC-DC converter is electrically connected with the second battery pack; and the controller controls the AC-DC converter to output preset voltage to the direct-current buses according to output voltages of the first battery pack and the second battery pack, and controls voltage change ranges and current directions of the first bidirectional DC-DC converter and the second bidirectional DC-DC converter to carry out ageing treatment on the first battery pack and the second battery pack. By the device, the utilization rate of electric energy in a battery pack ageing process can be increased, and the ageing cost is reduced.

Description

technical field [0001] The invention relates to the technical field of battery aging, in particular to a battery pack aging device and method. Background technique [0002] At present, after the power battery pack is produced, it is necessary to use a battery pack aging device to perform aging treatment on the battery pack. Through the aging treatment, faulty battery packs or defective battery packs can be checked out, and at the same time, the battery capacity of the battery pack can also be detected. However, in existing aging devices for battery packs, resistive loads are often used to consume the energy of the battery pack, which not only causes a large waste of electric energy, but also causes high aging costs. Contents of the invention [0003] The invention provides an aging device and method for a battery pack to improve the utilization rate of electric energy in the aging process of the battery pack and reduce the aging cost. [0004] The present invention provi...

Claims

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Application Information

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IPC IPC(8): G01R31/36
CPCG01R31/3865G01R31/392
Inventor 吴海强李汉平
Owner 深圳市百耐信科技有限公司
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