Intelligent protective device of electric vehicle lithium battery set

A lithium battery pack and intelligent protection technology, applied in battery circuit devices, electric vehicles, circuit devices, etc., can solve problems such as low technical indicators, insufficient control accuracy of protection circuits, and inability to effectively protect lithium battery packs, and achieve extended use. The effect of longevity, great flexibility

Inactive Publication Date: 2017-01-04
重庆瑞升康博电气有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0011] Based on the above analysis, it can be seen that most of the protection circuits used in electric vehicle lithium battery packs have the characteristics of insufficient control precision, low technical indicators, and inability to effectively protect lithium battery packs, which have also become the focus of public concern.

Method used

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  • Intelligent protective device of electric vehicle lithium battery set
  • Intelligent protective device of electric vehicle lithium battery set
  • Intelligent protective device of electric vehicle lithium battery set

Examples

Experimental program
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Embodiment Construction

[0028] Below in conjunction with accompanying drawing, the technical scheme realization method of invention is described: figure 1 As shown, the technical solution adopted in this specific embodiment is: a kind of intelligent protection device based on electric vehicle lithium battery pack, including microprocessor unit 1, digital isolation unit 2, battery detection unit 3, lithium battery pack 4, keyboard 5, It consists of a display screen 6 and a WIFI serial port module 7.

[0029] The battery detection unit 3 is connected with the lithium battery pack 4 for detecting the voltage and temperature of the single cells in the lithium battery pack 4 and sending the detected parameters to the microprocessor unit 1 through the digital isolation unit 2 after processing.

[0030] The keyboard 5 conducts man-machine dialogue with the microprocessor unit 1 .

[0031] The display screen 6 is connected with the microprocessor unit 1 to display relevant information parameters.

[0032] ...

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PUM

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Abstract

The invention relates to a lithium battery set protection system, particularly relating to an intelligent protective device of an electric vehicle lithium battery set. The intelligent protective device comprises a microprocessor unit 1, a digital isolation unit 2, a battery detection unit 3, a lithium battery set 4, a keyboard 5, a display screen 6 and a WIFI serial port module 7; the battery detection unit 3 is connected to the lithium battery set 4 for detecting voltage and temperature of a battery cell in the lithium battery set 4, processing detected parameters and transmitting the parameters to the microprocessor unit 1 through the digital isolation unit; the keyboard 5 performs man-machine conversation with the microprocessor unit; the display screen 6 is connected to the microprocessor unit 1 to display related information parameters; and the WIFI serial port 7 is connected to the microprocessor unit 1, and the related information of the lithium battery set can be checked through the mobile phone.

Description

technical field [0001] The invention relates to a protection system for a lithium battery pack, in particular to an intelligent protection device based on an electric vehicle lithium battery pack. Background technique [0002] With the development and popularization of electric vehicles, the main energy source of electric vehicles is lithium batteries. As an important power storage device, lithium battery packs are a key factor affecting the performance of the vehicle. The high-power lithium-ion power batteries currently used in electric vehicles are basically composed of multiple single batteries connected in series and in parallel. In its application process, the main problem of lithium power battery is that the discreteness between individual cells is large, which affects the safety and service life of the entire battery pack. [0003] Prolonging battery life and improving battery efficiency are the key to the commercialization and practicalization of electric vehicles. ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02J7/00H01M10/48
CPCY02E60/10
Inventor 陈军许祝杨波
Owner 重庆瑞升康博电气有限公司
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