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The perfect solution of dust meter battery 2016-01-20


With the rapid development of modern society, air pollution, fog and haze serious, monitoring and protection of air resources has become a global topic. Portable field air quality monitor has become an important tool for staff to carry out long-term research and field testing. Providing an efficient, portable and adequate backup power solution for the monitor is an important guarantee for scientific researchers to carry out long-term field work. Because of its own unique advantages, 18650 lithium battery has become preferred backup power solutions of high-tech testing instruments.

Shenzhen Lee&Jack Power has self-developed dust meter battery solution. The battery performance is superior, stable, nine heavy protection, long use time and long service life, achieving lightweight, portable, multi-functional. Use a high-performance lithium battery pack to power the battery, the products get rid of memory effect, short time and so on.

I. Requirements of battery design:

It is convenient for operators to carry out mobile indoor and outdoor operation, providing continuous, efficient and stable mobile power supply has become the biggest guarantee for the normal operation of such equipment. The scheme adopts high performance electric core, which makes the whole battery have the characteristics of high energy ratio, light quality, small volume, high cycle life, high safety and consistency. Power management program, the use of highly intelligent SBS battery management system, the battery safety and power efficient management.

Ⅱ.Battery design:

1)The protection board (PCM): Design protection circuit mainly for intelligent rechargeable battery. Because of its chemical properties, the lithium battery needs to provide intelligent power calculation, overcharge, over discharge, short circuit, over-current and over temperature protection functions to avoid fire, explosion and other hazards.

2)AFE /IC(Protection IC):Chip,the main protection function of the design scheme, monitors the battery cells with overcharge, over discharge, over-current, short circuit and so on to make cells work in a safe, stable and efficient range.

3)18650 lithium ion battery cells: 18650 Li-ion cell(Samsung, Panasonic)

4)MOSFET: In the protection circuit, the MOSFET acts as a switch, so that the voltage at both ends of the load will not rise or decrease, and the voltage stability will be guaranteed.

5)Power management chip: A fully functional electric quantity meter has an analog-to-digital converter (ADC) for measuring voltage and temperature, and an analog-to-digital converter for measuring current and charging sense. The electric energy meter has a microprocessor which is responsible for the detection of electricity and provides information such as remaining state of capacity and remaining run time. The host may inquire the information to the electric energy meter at any time and notify the user of the battery information. The use of the electric meter is very convenient, so that the user can keep the battery energy at any time.

6)Battery package: rubber shell.

Ⅲ.Drawings and real pictures of battery products

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