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Lithium battery work control method and system, and electric equipment

A work control, electric equipment technology, applied in battery circuit devices, electric vehicles, current collectors, etc., can solve problems such as danger and power failure, and achieve the effect of avoiding vehicle loss of control or braking problems

Pending Publication Date: 2021-07-23
SHENZHEN TOPBAND CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the embodiments of the present invention is to provide a lithium battery operation control method, aiming to solve the problem that the battery management system controls the lithium battery to directly cut off the power and cause danger when the existing lithium battery is under abnormal conditions such as over-discharge and over-temperature.

Method used

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  • Lithium battery work control method and system, and electric equipment
  • Lithium battery work control method and system, and electric equipment
  • Lithium battery work control method and system, and electric equipment

Examples

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Embodiment 1

[0045] see figure 1 , is a schematic flowchart of the lithium battery operation control method provided in the first embodiment of the present invention. For the convenience of description, only the parts related to the embodiment of the present invention are shown. The lithium battery operation control method is applied to electric equipment, and the method includes:

[0046] Step S10, real-time detection of the parameter information of the lithium battery during the operation of the electric device, the parameter information includes discharge current, discharge power, discharge voltage, remaining battery power and temperature;

[0047] Wherein, in the embodiment of the present invention, the lithium battery operation control method is applied to electric equipment such as electric vehicles, wherein the electric equipment in this embodiment uses a lithium battery pack composed of a plurality of lithium battery units as a power source, Among them, the electric equipment is also...

Embodiment 2

[0057] see figure 2 , is a schematic flowchart of a lithium battery operation control method provided by the second embodiment of the present invention. For the convenience of description, only the parts related to the embodiment of the present invention are shown. The lithium battery operation control method is applied to electric equipment. The method include:

[0058] Step S11, real-time detection of the parameter information of the lithium battery during the operation of the electric device, the parameter information includes discharge current, discharge power, discharge voltage, remaining battery power and temperature.

[0059] Step S21, when it is detected that any value in the parameter information exceeds the corresponding set threshold range, control the chopping of the output of the lithium battery to limit the current output of the lithium battery;

[0060] Among them, in the embodiment of the present invention, when the BMS system detects that any one of the disc...

Embodiment 3

[0078] see Figure 4 , is a schematic structural diagram of the lithium battery operation control system provided by the third embodiment of the present invention. For the convenience of description, only the parts related to the embodiment of the present invention are shown. The lithium battery operation control system is applied to electric equipment, and the system includes :

[0079] The parameter information detection module 10 is used to detect in real time the parameter information of the lithium battery during the operation of the electric device, and the parameter information includes discharge current, discharge power, discharge voltage, remaining battery power and temperature;

[0080] The chopping control module 20 is used to control the output of the lithium battery to chop when the parameter information detection module 10 detects that any value in the parameter information exceeds the corresponding set threshold range, so as to limit the output of the lithium ba...

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Abstract

The invention is suitable for the technical field of lithium batteries, and provides a lithium battery work control method and system, and electric equipment. The method comprises the following steps: detecting parameter information of a lithium battery working in the working process of the electric equipment in real time, wherein the parameter information comprises the discharging current, the discharging power, the discharging voltage, the battery remaining capacity and the temperature; and when any numerical value in the parameter information is detected to exceed a corresponding preset threshold range, controlling the output of the lithium battery to be chopped so as to limit the current output of the lithium battery. According to the lithium battery work control method provided by the invention, the problem of danger caused by direct power failure of the lithium battery controlled by the battery management system under the abnormal conditions of over-discharge, over-temperature and the like of the existing lithium battery is solved.

Description

technical field [0001] The invention belongs to the technical field of lithium batteries, and in particular relates to a lithium battery operation control method, system and electric equipment. Background technique [0002] Existing electric equipment such as electric vehicles usually use lead-acid batteries as the power source. The greater the current, the greater the corresponding power. When the battery is dead, the voltage of the lead-acid battery is getting lower and lower, and its drop rate Faster, the output current capability is getting worse, but it will not directly cut off the power, so that the electric car can ride slowly, and its speed is getting slower and slower, so that the user can clearly perceive that the battery is dead, so the user can stop Step down or step on the brakes, etc., so that it will not cause danger to users. [0003] However, due to the disadvantages of lead-acid batteries such as low energy density, short cycle life, and large volume and ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02J7/00
CPCH02J7/00712H02J7/007192
Inventor 唐森群王景德李辉腾张雄
Owner SHENZHEN TOPBAND CO LTD
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