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 ICACT20220123 Slide.01
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Shen Liu**, An-Kang Lin**, Ru-Shan Wu**, Bing-Yuh Lu**;
College of automation, Guangdong University of petrochemical technology, Maoming City, Guangdong, China.
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| ICACT20220123 Slide.02
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Abstract:This study proposes a wearable vital sign detector. The function is detect vital signs such as respiration, body temperature and heart rate through sensors;Data processing through the main control chip and transmitting the processed data to the client;The mobile phone or PC client can display and further process the data;You can also transfer data to the ECS through the client for remote storage and call.The results show that the detection accuracy of the detector basically meets the needs of daily detection, the data transmission is normal, and the client and cloud server work normally. A wearable vital sign detector with good performance and low cost is realized.
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| ICACT20220123 Slide.03
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There are five parts. |
| ICACT20220123 Slide.04
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introduction |
| ICACT20220123 Slide.05
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With the continuous development of China's economy, the continuous improvement of people's living standards and health care awareness, and the improvement of per capita disposable income, the middle-aged and elderly groups will need more detectors that can independently detect their physical conditions at home.
Because there are many dangers in special environments such as underground mine and offshore operation platform, wearable vital sign detector is particularly important. Wearable device technology can well meet the needs of health and safety management in these special environments because of its lightweight and easy to carry characteristics.
The project mainly produces a small wearable vital sign detector. The main control chip adopts ESP32, and sensors such as AD8232 and NTC-MF52AT are used to monitor the human body's heart rate, respiration, body temperature and other vital signs. The data can be transmitted to the client through Bluetooth.
The software part of the project is responsible for receiving the data collected by the equipment, processing and image display of the data. The client also has software alarm, historical data acquisition, measurement report generation, etc. In addition, in order to facilitate user data storage, Tencent cloud server is used to save user measurement data and measurement report.
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| ICACT20220123 Slide.06
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methods |
| ICACT20220123 Slide.07
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The Micro controller is the ESP32 WiFi + Bluetooth development board nodemcu-32s, which provides Wi Fi and Bluetooth functions through SPI / SDIO or I2C / UART interface, with high integration, ultra-low power consumption and stable performance.
The negative temperature coefficient thermistor NTC - MF52AT is used to detect the temperature change. After linearizing the measured data of the thermistor, a relatively accurate user temperature is obtained.
AD8232 is an integrated signal conditioning module for ECG and other bioelectricity measurement applications. The output signal of the sensor is collected, then converted and processed to obtain the detected heart rate.
The negative temperature coefficient thermistor NTC - MF52AT is used to detect the temperature change caused by exhalation during breathing, and calculate the user's respiratory rate through data processing.
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| ICACT20220123 Slide.08
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Data display methods include digital display and image display, so that users can more intuitively view the changes of measurement data. While displaying, the bottom layer analyzes the collected data to get the user's measurement report.
The user can use the client to send instructions to the server to obtain all the historical measurement data, obtain conditions, and delete some measurement data.
After the software receives the data, carry out relevant data processing to obtain the daily report of measurement. And send the daily report to the server. After receiving it, the server will save and analyze it, and then get the weekly report and monthly report.
The server stores the user's data in the way of text storage, and provides the functions of searching data, deleting data and modifying data. In addition, it also has the function of user account management.
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| ICACT20220123 Slide.09
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results. |
| ICACT20220123 Slide.10
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The picture shows the server, mobile client, computer client and measuring instrument of the project, and shows the overall architecture of the system. |
| ICACT20220123 Slide.11
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discussion |
| ICACT20220123 Slide.12
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In this study, a wearable vital signs detector is proposed, which detects the vital signs data such as respiration, body temperature and heart rate through the sensor, processes the data through the main control chip of the wearable device, and transmits the processed data to the client;
The client has the functions of data display, data processing, report generation, historical data management, etc. when the measurement data is abnormal, it has the function of software alarm.
The mobile phone or PC client can display and further process the data, and can also transmit the data to the cloud server through the client for remote storage and call.
The results show that the detection accuracy of the detector basically meets the needs of daily detection, the data transmission is normal, and the client and cloud server work normally. A wearable vital sign detector with good performance and low cost is realized.
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| ICACT20220123 Slide.13
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conclusion |
| ICACT20220123 Slide.14
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This picture shows the client of the project, which is used to display measurement data, etc. |
| ICACT20220123 Slide.15
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A wearable vital sign detector with detection accuracy basically meeting the needs of daily detection, normal data transmission, normal operation of client and cloud server and low cost is realized. Moreover, the client allows users to simply and conveniently observe their own real-time detection data.
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| ICACT20220123 Slide.16
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thank you. |
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