3 Feasibility of the combination of electronic devices and clothing 3.1 Conductive materials metal and optical fiber, conductive coating and conductive inkjet, used to conduct electricity and form a wireless textile circuit.
One method of making electronic textiles is to use thin conductive fibers, blended with traditional non-conductive fibers to produce yarns with different degrees of conductivity, such as. Use these yarns to develop washable and wearable conductive fabrics like ordinary clothes.
There are two types of conductive fibers, natural conductive fibers and fibers that have special treatment and conductivity. Natural conductive fibers or metal fibers are made of conductive metals, such as iron alloys, nickel, stainless steel, titanium, aluminum, copper, and carbon. Metal fibers are very thin metal filaments with a diameter of 1 to 80 microns. They are formed by a beam drawing process or a cutting process. Despite good electrical conductivity, metal fibers are expensive. In addition, they are denser than many textile fibers, making it difficult to mix uniformly.
3.2 Feasibility techniques The techniques described above can form conductive textiles. It is necessary to make electronic textile input and output equipment, sensors, and energy supply equipment. Electronic textile data input must pass through input devices, such as keyboard, voice, handwriting recognition system, etc. The output technologies under study include cathode ray tubes, liquid crystal displays, and light-emitting displays. Sensors are small electronic devices that can receive and respond to stimuli, allowing electronic textiles to communicate with users. Attach or implant them in the textile base. Energy supply technologies, such as batteries, can provide energy for the movement of various components of electronic textiles. In recent years, the battery is small in size, has a lot of energy, has washing durability and low cost. Solar energy and energy generated by the human body are being studied as electrical energy for electronic textiles.
4 The method of combining electronic devices and equipment Whether it is a conductive material used to develop electronic textiles or electronic components and energy supply devices must be implanted in textiles to form electronic textiles. Welding, bonding, and connecting are all methods of implanting electronic components and energy supplies. Welding means that the components are directly mounted on the textile, and good electronic contact can be obtained, but the toxicity of the welding components makes them unsuitable for application because they directly contact the human body. And the softness of the fabric is reduced, making welding unsuitable for apparel applications. Bonding refers to the use of conductive adhesives to implant components into the textile substrate. Non-toxic, good conductivity, good durability, and flexible conductive adhesive can combine hard components with soft textile substrates. When the substrate is bent, the conductive track can also move freely. The connection is to directly stick the wire structure of the electronic component into a fabric circuit. The wires that communicate with the electronic components can be stitched, nailed, or implanted into the substrate to fix the components in a certain position, so that the wires are evenly arranged.
At the same time, due to the design and development of new materials, flexible sensors and chips are manufactured, which are directly implanted in the fabric | 3.5. The combination of hard-wearing application electronic devices and clothing provides functions that are not available in general textiles. Examples of clothing that are currently on the market or coming soon are as follows: 1.1 Communications and entertainment jackets in the entertainment field, providing work and leisure life needs. Communication equipment can be implanted in clothing. Implanted compact discs, MP3s, video game panels, digital cameras and video equipment. The textile button on the sleeve can make calls, send messages and play music. Textiles at home and office can control lights, temperature and other electronic devices. For example, the TV remote control is embedded in the sofa armrest, and the light is controlled by the switch inserted in the curtain.
1.2 Health detection shirts in the medical field: detect personal heart, lung, skin and body temperature and other physiological information, and can monitor heart and other diseases early. If an abnormal phenomenon is found, a warning can be issued immediately. Can provide patients with flexibility and convenience, can improve the quality of life for some disabled people. W. S3 automatic tracking (Global Positioning System) textiles can monitor the user's accurate location at any time in any weather.
GPS-embedded electronic textiles, such as ski suits, rely on quick positioning, which improves the safety of the wearer and can cause the clothing to heat up. Through the GPS-implanted clothing, parents can understand the child's location.
6 Future challenges In order for the electronic textiles to have a consumer market, they must be easy to care for and maintain electrical conductivity even after repeated washing. Even if people continue to exercise and exercise causes pressure, fabric static electricity, perspiration, fever, electronic textiles will not be damaged.
Today's radiation is not a big threat to our health and safety, but the use of electronic textiles may cause these threats. Electronic textiles certainly caused personal privacy and security concerns. Recent research shows that 75% of the people surveyed believe that personal privacy and security are important social issues today. The unbounded exchange of advanced technology and electronic information proves growing concerns. Large fluctuations in rain, humidity, temperature, and other severe weather changes can form a safety hazard.
Because electronic textiles will use many types of electronic equipment in the structure, some technology is needed to operate and use them. Simple and easy operation is an important standard for product development. Factories need to guide consumers on how to use products, and provide product after-sales service as much as possible to make products attractive. Continuous upgrades, compatibility, reasonable prices, easy maintenance, etc. are crucial to the market appeal of electronic textiles. Electronic textiles are expensive when they first enter the market. With the advancement of technology, the production process is perfected, and the price will fall. . Although product development still faces many challenges, the future of electronic textiles is very promising. Research and development enable product development to overcome current problems to further develop electronic textiles. The development of electronic textiles is under the guidance of universities, companies and government agencies.
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