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Lithium battery remaining capacity and fault display system and electric bicycle

A technology of battery remaining capacity and remaining capacity, applied in electric vehicles, bicycle accessories, electric vehicle charging technology, etc., can solve the problems of insufficient power, false high, no display of battery status, etc., and achieve accurate acquisition, timely charging, and accurate power supply. effect of information

Active Publication Date: 2017-01-18
GUANGZHOU YADEA LOCOMOTIVE CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Lithium batteries in the existing market use voltage display, and the battery voltage is falsely high when there is no load, causing the user to find that the battery is insufficient after riding, and the battery status is not displayed, or the lithium battery cannot be displayed to inform the user after a fault occurs.

Method used

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  • Lithium battery remaining capacity and fault display system and electric bicycle
  • Lithium battery remaining capacity and fault display system and electric bicycle
  • Lithium battery remaining capacity and fault display system and electric bicycle

Examples

Experimental program
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Embodiment 1

[0031] This embodiment provides a lithium battery remaining capacity and fault display system, the system includes: a power management chip 1, a control chip 2 communicated with the power management chip 1, and a display instrument connected with the control chip 2 .

[0032] The power management chip 1 is respectively connected to each lithium battery to be detected, for receiving the temperature and voltage signal of the lithium battery; in this embodiment, a sensor is used to detect the temperature and voltage signal of the lithium battery. The temperature and voltage signals of the lithium battery are not limited to sensors, and other devices or devices capable of detecting the temperature and voltage signals of lithium batteries can also be applied to the present invention.

[0033] The control chip 2 is used to judge whether the temperature and voltage signals transmitted by the power management chip 1 are normal values, and pass the judgment result to the display instru...

Embodiment 2

[0049] The difference from the first embodiment is that the display instrument in this embodiment is a liquid crystal display, and the liquid crystal display can more accurately display the percentage value of the battery capacity.

[0050]In this embodiment, as a preferred solution, the display instrument includes a signal processing chip 4, a liquid crystal driver chip 6 and a display module 7, and the signal processing chip 4 transmits the remaining battery capacity and the faulty PMW signal from the control chip 2 After processing, it is displayed by the display module 7 controlled by the liquid crystal driver chip 6 .

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Abstract

The invention discloses a lithium battery residual capacity and fault display system and method and an electric bicycle, and relates to the technical field of lithium batteries. The problem that the lithium battery residual capacity is not displayed accurately in the prior art is solved. The lithium battery residual capacity and fault display system comprises a power management chip, a control chip which is in communication connection with the power management chip, and a display instrument connected with the control chip. The power management chip is connected to all lithium batteries to be detected and is used for receiving the temperature and voltage signals of the lithium batteries. The control chip is used for judging whether the temperature and voltage signals transmitted by the power management chip are normal values or not, and transmitting the judgment result to the display instrument. The display instrument is used for displaying the battery residual capacity and battery faults. The lithium battery residual capacity and fault display system and method and the electric bicycle have the advantages that the lithium battery residual capacity or a fault is displayed in a percentage mode or displayed by the number of lit LED lamps through the display instrument, and therefore a user can acquire the information of the lithium battery residual capacity or the lithium battery fault more visually.

Description

technical field [0001] The invention relates to the technical field of lithium batteries, in particular to a display system, a display method and an electric bicycle for remaining capacity and failure of the lithium battery. Background technique [0002] Energy shortage and environmental pollution have become major obstacles restricting the sustainable development of my country's economy and society. After entering the 21st century, human beings have become more and more aware of the shortage of traditional power energy supply, weak sustainability, and environmental pollution caused by high energy consumption, which have restricted the human economy to a large extent. Social development. In this context, lithium batteries are gradually becoming more mature in technology and entering a stage of rapid popularization. Significant progress has been made in the service life of lithium batteries, the lightweight of lithium battery bicycles, the intelligent technology and sensing...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B60L11/18B62J99/00
CPCY02T10/70Y02T90/16
Inventor 姜亚军
Owner GUANGZHOU YADEA LOCOMOTIVE CO LTD
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