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Discharge control strategy, device and apparatus of battery system

A battery system and control strategy technology, applied in battery circuit devices, secondary battery charging/discharging, circuit devices, etc., can solve the problem of low utilization rate of the discharge branch and achieve the effect of improving utilization rate

Active Publication Date: 2021-06-22
HUBEI JINQUAN NEW MATERIALS CO LTD
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  • Abstract
  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

[0004] The invention provides a discharge control strategy, device and equipment for a battery system, which solves the technical problem of low utilization of discharge branches caused by multiple discharge circuits of the battery system using the same load specification in the prior art

Method used

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  • Discharge control strategy, device and apparatus of battery system
  • Discharge control strategy, device and apparatus of battery system
  • Discharge control strategy, device and apparatus of battery system

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Embodiment Construction

[0039] The present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, but not to limit the present invention. In addition, it should be noted that, for the convenience of description, only some structures related to the present invention are shown in the drawings but not all structures.

[0040] It should be noted that the terms "first" and "second" in the specification, claims and drawings of the present invention are used to distinguish different objects, rather than to limit a specific order. The following embodiments of the present invention may be implemented independently, or may be implemented in combination with each other, which is not specifically limited in the embodiments of the present invention.

[0041] figure 1 It is a flowchart of a battery system discharge control strategy provid...

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Abstract

The invention discloses a discharge control strategy, device and apparatus of a battery system, and the control strategy comprises the steps of obtaining the characterization parameters which represent the branch usage rate of the battery system, wherein the characterization parameters at least comprise the branch current value of the battery system and the battery temperature; based on the characterization parameters, determining a discharge branch of a load capacity specification required by the discharge of the battery system; and controlling the determined discharge branch with the corresponding load capacity specification to be conducted. According to the invention, the load specification required by the discharge of the battery system is determined by using the obtained characterization parameters, and then the discharge branch of the corresponding load is conducted, so that the technical problem of low utilization rate of the discharge branch caused by the fact that a plurality of discharge loops of the battery system adopt the same load specification in the prior art is solved; and the technical effects that the discharge branches with different load capacity specifications can be selected according to the discharge capacity, and the utilization rate of the discharge branches is improved are achieved.

Description

technical field [0001] Embodiments of the present invention relate to the technical field of batteries, and in particular, to a discharge control strategy, device, and equipment for a battery system. Background technique [0002] At present, in a multi-branch battery system, copper bars, aluminum bars or wire diameters of the same specification are usually selected for multiple discharge circuits. For example, in a battery system with three branches, all three discharge circuits are set to 70mm 2 copper bars. [0003] Obviously, the vast majority of discharge circuits usually only pass a small current. For the vehicle load, the maximum overcurrent for a certain branch only exists in very few working conditions, so multiple branches When they are all set to withstand large loads of copper bars, aluminum bars or wiring harnesses, there will be a situation of "big horse-drawn carts", resulting in waste of copper bars, aluminum bars or wiring harness resources. Contents of th...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02J7/00H01M10/44
CPCH02J7/0063H02J7/00714H02J7/007192H01M10/443H01M10/44Y02E60/10
Inventor 杨彪郑剑
Owner HUBEI JINQUAN NEW MATERIALS CO LTD
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