Intelligent Clothing System Design

Design of Intelligent Garment System Based on Single Chip Computer

The rapid development of microelectronics, network communication and embedded technology has promoted the popularization and application of IoT innovations. In recent years, as a part of the Internet of Things industry, intelligent wearable devices have received widespread attention from all walks of life and are gradually entering people's lives, such as smart watches, smart glasses, and smart clothing. In order to make intelligent wearable devices better meet social needs and practical applications, and provide humans with intelligent, convenient and efficient services, scientific researchers and technicians in various fields have increased their research and application of wearable device technology. Clothing, as a necessity in people's daily life, ranks first in "basic clothing, food, housing and transportation". Integrating wearable technology and Internet of Things technology into clothing, research on smart clothing that integrates perception, drive, processing and transmission has become the mainstream trend of the market and the development hotspot of the times.

Smart clothing was first used in special fields such as military and aerospace, and later gradually expanded to medical, health care, sports and other industries. For example, for smart clothing for human health, embedded technology and multi-sensor technology are usually applied to clothing, which can realize the collection and processing of blood pressure, pulse, heart rate, body temperature and other information of monitoring personnel. In the medical field, smart clothing is also used to study real-time monitoring of patients with high blood pressure and heart disease. In particular, product design that combines medical devices with smart clothing has become a current and future development trend. In order to make smart clothing better meet user needs, researchers also apply wireless communication and data transmission technologies to smart clothing. Compared with wired transmission technology, wireless communication has significant advantages in terms of economy, portability and comfort. In addition, smart clothing can also conduct in-depth research on the new functions of clothing, the degree of intelligence, and new materials.

Since patients, children, and the elderly belong to vulnerable groups, they are not very sensitive to body temperature and external environment, and need comprehensive and real-time care throughout the process. This paper designs a smart clothing system based on the STC89 C52 single-chip microcomputer, which can sense data such as human body and ambient temperature, atmospheric pressure and air quality in real time, and transmit the data to the computer or mobile terminal through short-distance wireless communication technology, which is helpful for realizing 24-hour real-time monitoring of patients, children, and the elderly. In addition, a mosquito repelling sensor module with mosquito repelling function is designed by using special ultraviolet LED light-emitting diodes and ultrasonic sensors, so that the smart clothing system can effectively repel mosquitoes. At the same time, the design of multi-sensor data fusion mode is also the focus of this paper. Its purpose is to eliminate errors and redundant data in the monitoring process, avoid unnecessary interference, and obtain the comprehensive health evaluation value of monitoring personnel correctly. Helps to make a health assessment and take effective countermeasures.

1. Overall scheme design of smart clothing system

1.1 Overall system design

The smart clothing system uses plug-in technology to embed microelectronic devices such as sensors (such as temperature sensors LM335 A) and microprocessors STC89 C52 into smart clothing to realize real-time monitoring and processing of the health status of monitoring personnel and environmental information. , display, warning and other functions. The system mainly includes microprocessor module, sensor module, communication module, upper computer and monitoring terminal. The overall structure design of the smart clothing system is shown in Figure 1.

1.2 Working principle of smart clothing system

The smart clothing system designed in this paper is based on the S T C8 9 C5 2 microprocessor, which integrates modules such as temperature sensor, air pressure sensor, mosquito repellent sensor and ambient gas sensor, and uses Bluetooth wireless communication technology. First of all, the smart clothing system receives and forwards the data collected by multiple sensors through the installed Bluetooth device (Bluetooth transceiver), that is, uses the Bluetooth wireless communication protocol to forward the received monitoring personnel's health status data and environmental data to the nearby host computer . Secondly, the data is processed, optimized and stored on the host computer, and then transmitted to the remote monitoring terminal through Internet, 4G, GPRS and other networks to realize the functions of information storage, processing and display. Finally, users can view the comprehensive health status of personnel in real time through APP, IPAD, WEB, etc. on the remote monitoring terminal. At the same time, the system also uses a combination of light sensors and physical insect repellent modules, which can not only monitor human health around the clock, but also achieve the effect of repelling mosquitoes. The smart clothing system comprehensively uses technologies such as sensors, embedded development, communication and software development, which can sense human health status data and environmental data in real time, making it convenient for users to view various monitoring information and comprehensive health assessment through connected remote computers or mobile device terminals. value.

2. Hardware design of smart clothing system

2.1 Sensor module

The hardware design is mainly to design the monitoring equipment installed on the clothing, including the design of modules such as microprocessors, temperature sensors, air pressure sensors, mosquito repellent sensors and ambient gas sensors. The design principle of the microprocessor and each sensor module of the smart clothing system is shown in Figure 2.

The temperature sensor module adopts LM335A high-precision temperature sensor chip, which mainly collects the real-time body temperature and ambient temperature of the monitoring personnel. The LM335A temperature sensor has high precision, small size, flexible and convenient power supply, and is more suitable for embedding into smart clothing systems. The key technology of the mosquito repellent sensor module is to make use of the mosquito's special aversion to special light sources and its sensitivity to a certain frequency of ultrasonic waves to achieve the effect of repelling mosquitoes. The light source of the designed mosquito repellent sensor module adopts 3 mm ultraviolet LED light-emitting diode; the ultrasonic sensor adopts SSE1625T plastic case ultrasonic sensor (16 mm/25 kHz).

The air pressure sensor module is mainly to assist the smart clothing system to monitor the human health status data more accurately and effectively. The ambient air pressure is different, which will have a certain impact on the sensor data. Therefore, in order to make the various data monitored accurately reflect the real-time health status of the human body, an air pressure sensor module is especially embedded in the smart clothing system. The air pressure sensor used in the air pressure sensor module designed in this paper is the MS5611-01 B A03 sensor chip.

The ambient gas detection sensor module is mainly for real-time understanding of the environmental status of the monitoring personnel. In recent years, environmental pollution has become increasingly serious, causing the living environment to seriously affect people's health and life. Vulnerable groups such as patients, children, and the elderly are more sensitive to the living environment, and need to pay attention to air quality at all times in certain occasions or situations. The smart clothing system designed in this paper integrates the ambient gas detection sensor module, which senses the air quality of the monitoring personnel's environment in real time through the environmental gas sensor, and comprehensively monitors various dynamic data to effectively evaluate the health status of the monitoring personnel. The smart clothing system adopts C C S8 1 1 digital air quality monitoring sensor with low power consumption and small size, and the gas sensor is controlled by a single-chip microcomputer to collect gas data.

2.2 Control circuit module

The STC89 C52 processor is a low-power, high-performance microcontroller with 8K system programmable Flash memory. The STC89 C52 microprocessor is widely used in single-chip microcomputers, providing more flexible and effective solutions for many embedded control application systems.

The smart clothing system can be based on the minimum system circuit diagram of the STC89C52 single-chip microcomputer, combined with the above-mentioned various sensor modules, and use Bluetooth communication technology to realize the collection and transmission of sensory data.

2.3 Principle of communication circuit

Proteus is a well-known EDA tool (simulation software) in the UK, including schematic layout, code debugging, and co-simulation of single-chip and peripheral circuits. One design platform. The tool can be used to realize the design, debugging and simulation of the communication circuit of the smart clothing system.

3. Software design of smart clothing system

The hardware device designed for the smart clothing system must rely on the program to realize the data collection and transmission functions of each sensor.

3.1 Monitoring platform design

The monitoring platform of the smart clothing system can facilitate users to view monitoring information. The system monitoring platform can be accessed on the host computer, remote WEB terminal, mobile terminal, etc. Its functions mainly include the display and query of various sensor monitoring data, comprehensive evaluation of human health and other information. Among them, the comprehensive evaluation value of human health is the fusion value processed by multi-sensor data fusion technology; the human body temperature value can simultaneously check the local temperature of the monitor's left armpit, right armpit, front chest and back. All data can not only be visually displayed in digital form, but also can display real-time data change curves.

3.2 Data processing

In terms of data processing, the smart clothing system mainly adopts the multi-sensor data fusion method, and the multi-sensor data is transmitted to the host computer for data fusion. Usually, in the process of human health status data collection, there may be factors such as external environment and system abnormalities, which may cause packet loss, redundancy, inaccuracy or errors in the monitoring data. Therefore, the data collected by the smart clothing system is fused into more accurate and effective data to achieve the purpose of comprehensively evaluating human health.

in conclusion

This paper designs a smart clothing system based on STC89C52 microcontroller by analyzing the research status of smart clothing. The system senses and monitors the health status information of personnel (such as patients, children, the elderly and other special groups) in real time, and uploads multi-sensor data such as human body temperature, ambient temperature, atmospheric pressure and air quality to the host computer through Bluetooth technology, and monitors multiple The sensor data is first-level and second-level fusion, and then the more accurate and effective data after fusion is transmitted to the remote monitoring platform through the Internet or mobile network, and users can browse in real time through the WEB system or APP to check the health status of the monitoring personnel , and pay attention to the health changes of the monitoring personnel in a timely manner according to the system reminder and early warning function, so as to take corresponding remedial measures as soon as possible. At the same time, the system also uses the principle that mosquitoes are particularly disgusted by special light sources and sensitive to ultrasonic waves of a certain frequency. A mosquito repellent sensor module with light-emitting diodes and ultrasonic sensors is designed in the smart clothing system, which has a good effect of repelling mosquitoes. .

The intelligent clothing system designed in this paper has practical functions, convenient operation, easy implementation and promotion, and has broad application prospects. In the future, smart clothing will continue to improve in terms of materials, technology, comfort, and style, and will integrate medical diagnosis, health monitoring, and safety protection into one. While studying the comprehensive design and development of smart clothing systems, people will pay more attention to the practicability and health of smart clothing, especially starting from the actual needs of society and the market, integrating new technologies, new materials and multidisciplinary research for in-depth research , to promote the intelligent, networked, popular and commercial development of smart clothing and wearable devices.

The above are the details of the smart clothing system design of the single-chip microcomputer introduced by Shenzhen Zuchuang Microelectronics Co., Ltd. for you. We have rich experience in customized development of smart electronic products, can evaluate the development cycle and IC price as soon as possible, and can also calculate the PCBA quotation. We are the agent of Sonix MCU and Yingguang MCU agent, selling and developing MCU and voice IC solutions of Sonix and Yingguang. We act as an agent and develop ICs and solutions of Jieli, Ankai, Quanzhi, realtek and other series, and also develop BLE Bluetooth IC, dual-mode Bluetooth module, wifi module, and Internet of Things module. We have hardware design and software development capabilities. Covering circuit design, PCB design, single-chip microcomputer development, software custom development, APP custom development, WeChat official account development, voice recognition technology, Bluetooth development, wifi technology, etc. It can also undertake the research and development of smart electronic products, the design of household appliances, the development of beauty equipment, the development of Internet of Things applications, the design of smart home solutions, the development of TWS earphones, the development of Bluetooth earphone speakers, the development of children's toys, and the development of electronic education products.