Capacitive touch screen as a modern electronic equipment in one of the most common and widespread use of interactive interface, its application technology in the quality detection equipment is becoming more and more deep, not only improve the intelligent level of the equipment, but also significantly improved the test accuracy and efficiency.
First, the specific application of capacitive touch screen in quality testing equipment
Touch panel test
In the production process of electronic devices, touch panel testing is particularly important. Capacitive touch screens are widely used in touch panel testing due to their high sensitivity and accuracy. For example, using the linear voice coil motor and other high precision equipment simulation finger click, drag and drop, double-click action, carried out on the touch screen function test, to ensure its stability and accuracy under various operating modes. These tests not only improve the production efficiency, but also ensure the quality control of the product.
Appearance and function inspection
Capacitive touch screen quality testing equipment also involves a comprehensive inspection of the appearance and function of the touch screen. Appearance inspection includes checking whether the touch screen surface has scratches, dirt, bubbles and other defects, whether the border is flat, and whether the protective film is intact. Functional check include touch sensitivity, resolution and palm inhibitory function, such as indicators of anti-jamming capability test. For example, the use of professional equipment to simulate finger touch, to detect the recognition ability of the touch screen for small graphics and text, and the stability in different environments.
Test of durability
In order to ensure the long-term stability of the touch screen under various conditions of use, quality testing equipment durability test. These tests include long time continuous use, repeat operation testing, and in different environments, such as high temperature, low temperature, damp and hot) under tolerance test. Through these tests, the service life and stability of the touch screen can be evaluated, thus ensuring the reliability of the product in practical applications.
Testing of SAFETY
Safety inspection is an indispensable part of capacitive touch screen quality inspection equipment. This includes checking the radiation level of the touch screen, the ability of electrostatic discharge and the ability of explosion protection. Through rigorous testing to make sure the touch screen is in use process will not cause harm to the user, and will be able to maintain stability in extreme circumstances.
Two, capacitive touch screen quality testing standardization
In order to ensure the quality of the capacitive touch screen, manufacturers and inspection personnel need to follow strict standards. These standards usually includes visual inspection, electrical characteristics requirements, optical properties, durability test, safety test and so on several aspects. Appearance inspection requirements, for example, touch screen surface clean with no stains, no obvious concave and convex point; Electrical characteristics for touch screen can work within the prescribed voltage range, and has a good ability of data transmission; Optical properties require touch screen has good light transmittance and display effect. In addition, the durability test and safety test also formulated the detailed test method and the judgment standard, to ensure the stability of the touch screen under various conditions of use and safety.
Fourth, the future development of capacitive touch screen in quality testing equipment
With the continuous progress of technology and the continuous expansion of application scenarios, the application of capacitive touch screen in quality testing equipment will also usher in a broader space for development. In the future, capacitive touch screen technology will pay more attention to the development of the following several aspects:
Improve accuracy and sensitivity
With the continuous miniaturization and high precision of electronic equipment, the precision and sensitivity of touch screen are increasingly required. The future of the capacitive touch screen technology will continue to optimize algorithm and circuit design, improve the touch detection precision and sensitivity, in order to satisfy the demands of more sophisticated operations.
Enhanced durability and stability
In the use of harsh environment, the durability and stability of the touch screen is particularly important. Future capacitive touch screens will use more robust materials and advanced manufacturing processes to improve their resistance to wear, corrosion and impact, ensuring stable performance under various conditions of use.
Achieve more diversified interaction methods
With the continuous development of artificial intelligence and Internet technology, the future of the capacitive touch screen will be more than just a simple input equipment, will also have more diverse ways of interaction. For example, by integrating gesture recognition, speech recognition and other technologies, a more natural and convenient human-computer interaction experience is realized.
Strengthen the ability of security protection
In terms of safety, the future capacitive touch screen will pay more attention to the improvement of safety protection ability. For example, by adding anti-radiation, anti-static and other design elements to ensure that the touch screen does not cause harm to the user during use; At the same time, stability testing under extreme conditions such as explosion protection will also be strengthened to ensure the safety of products in different environments.
In summary, the application of capacitive touch screen in quality testing equipment not only improves the level of intelligence and test accuracy of the equipment, but also promotes the overall improvement of product quality. With the continuous progress of technology and the continuous expansion of application scenarios, the future development of capacitive touch screen in quality testing equipment will be more broad and worth looking forward to.