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Lithium battery system, control method of lithium battery system and vehicle

A control method and lithium battery technology, which is applied in the field of lithium battery systems, vehicles, and lithium battery control systems, can solve problems such as short circuit or overcharge in the battery, battery fire, and vehicle out of control, so as to ensure maximum and realize energy , to ensure the effect of heating power

Active Publication Date: 2020-05-19
WEICHAI POWER CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] At present, for a vehicle that uses a lithium battery system as a power source, and the vehicle itself has no vehicle controller or no communication with the battery system, when the battery management unit inside the battery system detects that the feedback current exceeds the current maximum feedback current that the battery system is allowed to receive, If the main power supply circuit is cut off rashly, the whole vehicle will be out of control; if it is not cut off, long-term use may easily cause short circuit or overcharging in the battery, which may cause the battery to catch fire or explode in severe cases

Method used

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  • Lithium battery system, control method of lithium battery system and vehicle
  • Lithium battery system, control method of lithium battery system and vehicle
  • Lithium battery system, control method of lithium battery system and vehicle

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Embodiment Construction

[0041] Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. Although exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited by the embodiments set forth herein. Rather, these embodiments are provided for more thorough understanding of the present disclosure and to fully convey the scope of the present disclosure to those skilled in the art.

[0042] It should be understood that the terminology used herein is for the purpose of describing particular example embodiments only and is not intended to be limiting. As used herein, the singular forms "a", "an" and "the" may also be meant to include the plural forms unless the context clearly dictates otherwise. The terms "comprising", "comprising", "containing" and "having" are inclusive and thus indicate the presence of stated...

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Abstract

The invention belongs to the technical field of automobiles, particularly relates to a lithium battery system, and further relates to a control method of a lithium battery and a vehicle. The lithium battery system for the vehicle comprises a lithium battery pack for providing power for a vehicle, an energy dissipation unit connected in parallel with the lithium battery pack, a heating unit connected in parallel with the lithium battery pack and the energy dissipation unit, and a battery management unit, the battery management unit is electrically connected with the energy dissipation unit anda control switch, the battery management unit is used for monitoring the temperature of the lithium battery system and the current of the lithium battery system and calculating the electric quantity state of the lithium battery pack, and the battery management unit can control the energy dissipation unit and the heating unit to be turned on or off through the control switch. The lithium battery system provided by the invention adopts the battery management unit to detect, control and recover the feedback current of the vehicle, so that the safety of the battery system and the whole vehicle isensured, and the efficient utilization of energy is realized.

Description

technical field [0001] The invention belongs to the technical field of automobiles, and in particular relates to a lithium battery system, and also relates to a lithium battery control system and a vehicle. Background technique [0002] This section provides background information related to the present disclosure only and is not necessarily prior art. [0003] At present, for a vehicle that uses a lithium battery system as a power source, and the vehicle itself has no vehicle controller or no communication with the battery system, when the battery management unit inside the battery system detects that the feedback current exceeds the current maximum feedback current that the battery system is allowed to receive, If the main power supply circuit is cut off hastily, the whole vehicle will be out of control; if it is not cut off, long-term use will easily cause short circuit or overcharging in the battery, and in severe cases, the battery will catch fire or explode. Contents...

Claims

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Application Information

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IPC IPC(8): B60L58/10B60L58/12B60L58/27B60L3/00
CPCB60L3/0046B60L2240/545B60L2240/549B60L58/10B60L58/12B60L58/27Y02T10/70
Inventor 周广钊张万良宁志远崔晓波韩庚刘军萍
Owner WEICHAI POWER CO LTD
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