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Medical Battery Pack Solution for Electrocardiograph (ECG intelligent)

Date:2019-08-26     Source:CPKD

1.     About ECG intelligent:

A,  Adopt digital isolation technology to minimize the influence of temperature drift and time drift of the device, and ensure the high adaptability of the instrument to the environment.

B,  The use of digital signal processing, through the processor for the ECG signal drift suppression, AC filtering, myoelectric filtering and heart rate detection and other processing, to ensure the authenticity and reliability of signal processing.

C,  With automatic adjustment of baseline drift, it can effectively suppress the baseline drift caused by interference, optimize the printing position, and obtain high quality ECG spectrum.

D,  It has the functions of automatic measurement and automatic analysis of conventional ECG parameters to reduce the burden on clinicians.

E,  Using the precision hot spot square array to record the ECG waveform, the trace waveform is clear and accurate, the text annotation is rich, and the various marks are complete for clinical diagnosis and research.

F,  Using a 63mm high-speed thermal recording paper to trace the electrocardiogram, 12-lead synchronous acquisition and three real-time records, clinical examination of ECG with high efficiency, good effect and economical and practical rhythm leads can be arbitrarily selected.

2.     About ECG intelligent Lithium ion Battery Requirements:

The ECG machine is convenient for medical personnel to carry out mobile indoor and outdoor operations. Providing continuous, efficient and stable mobile power has become the biggest guarantee for the normal operation of such equipment. The solution uses high-performance batteries to make the whole battery have high energy ratio, light weight, small volume, high cycle life, high safety and high consistency. The solution is as follows:



Cell Model

Lithium ion 18650 battery

Battery Configuration






Charge and Discharge Voltage




Maximum Discharge Current


Instantaneous Discharge Current


Maximum Charging Current


Charge and Discharge Times

>1000 times

3.     About CTECHI Make Battery Pack Solution of ECG intelligent

Electrocardiograph intelligent lithium battery protection circuit scheme is as follows

1. Smart Fuel Gauge Protection Board (PCM): Using SBS intelligent battery management system, the battery power is calculated accurately and accurately using the advanced power calculation principle, and the battery power information is reported to the host through SMBUS from time to time. The battery pack (generally referred to as a lithium battery) performs the protection function. Due to the chemical characteristics of the lithium battery itself, it is necessary to provide protection functions such as overcharge, over discharge, short circuit, over current and over temperature to avoid the danger of burning and explosion.

2. LED power display panel: The LED power indicator light is displayed in a 20% power ratio, and the battery capacity calculated by the smart fuel gauge protection board is displayed visually, so that it can be used efficiently and intuitively.

3. Overcurrent protection film (PTC): mainly designed for secondary protection function. The PTC recoverable fuse has overcurrent protection and automatically restores dual functions. The PTC in the battery product prevents high-temperature discharge of the battery and unsafe large currents.

Temperature performance

Discharge temperature range: -10 ° C - 60 ° C

Charging temperature range: 0°C—40°C

Storage temperature: 3 months: -20 ° C - 45 ° C 1 month: -20 ° C - 60 ° C

Vibration requirements

Frequency: 10-50-10HZ

Amplitude: 1.5mm

Time: 45min (without load)

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