Sensor technology is constantly accelerating
The sensor is an important technological foundation for the new technology revolution and the information society. It is an extremely important high technology in the world today. Almost all modern instruments and equipment are inseparable from sensors.
From the point of view of future technological development, the updating of sensor technology is accelerating. With the acceleration of technology upgrading, R&D investment is also increasing. At the same time, it brings new pressure for market sales, and further accelerates the product development cycle. Therefore, some time in the future will be a period of high sensor technology innovation. Smart sensors in chip manufacturing will continue to introduce advanced manufacturing processes and low-cost, large-scale manufacturing technologies, such as large-scale manufacturing technologies, monolithic integrated manufacturing technologies, and so on. In package technology, low-cost packaging and heterogeneous integration technologies, system-level packaging technologies and equipment are also expected to be introduced.
From a product innovation perspective, processes such as low power consumption, real-time applications, intelligent design, and integrated multi-sensor fusion will continue to accelerate. For the development of the Internet of Things, a single sensor is a fist product, and sensor networks and applications are also increasingly important.
On October 22-23, the Second International Hangzhou) Internet of Things and Sensing Technology and Application Summit closed successfully in Hangzhou. It was attended by the State Council Counselor's Office, the National Development and Reform Commission, the Ministry of Industry and Information Technology, the Ministry of Science and Technology, and the Ministry of Environmental Protection. More than 10 departments such as the Ministry of Housing, Urban and Rural Construction, etc.; Representatives of industry organizations from 10 countries including the United States, Germany, and Japan; and more than 30 college scientific research institutions such as the Chinese Academy of Sciences, Tsinghua University, Peking University, and well-known enterprises in the sensor industry chain A total of more than 1,000 people attended the summit. Experts, scholars and business representatives introduced the new sensors to various fields of application to the guests.
1, fiber optic sensor:
In recent years, the development of fiber-optic sensors has been extremely rapid and has shown great potential for development. It has been highly valued by governments and research institutions in some developed countries, and China has also attached great importance to this new field of research and application.
Fiber optic sensors have the unparalleled advantages of some conventional sensors. For example, optical fiber sensors have high sensitivity, fast response speed, large dynamic range, anti-electromagnetic field interference, ultra-high voltage insulation, passive, explosion-proof and explosion proof, suitable for long-distance telemetry, multi-channel systems without ground loop “crosstalk†interference, Small size, large mechanical strength, flexible and flexible deflection, rich material resources, low cost, etc. In addition, the optical fiber can realize a wide range of sensing information. The amount of sensing information that has been realized includes magnetic, acoustic, force, temperature, displacement, rotation, acceleration, liquid level, torque, strain, current, voltage, image, and some Chemical quantity and so on.
2, infrared sensors:
Infrared sensors can be roughly classified into two types: thermal type and photoelectric type. The latter is also called semiconductor sensor type. General thermal sensors can operate at room temperature. The sensitivity is independent of the wavelength, but the sensitivity is 1-2 orders of magnitude lower than that of semiconductor sensors, and the response speed is much slower. Semiconductor sensors have high response speeds, their sensitivity is theoretically limited, and they are wavelength-dependent, and general devices must be cooled.
At present, infrared sensing technology has been widely used in aerospace, agricultural science and technology, health care, smart communities, intelligent transportation systems and other fields. The development of the global Internet of Things has brought tremendous demands to the sensor industry, but it has also brought great opportunities and challenges. Infrared sensor technology is expanding from the past to special application areas such as military and aerospace, to a variety of integrated applications. In the future, through the innovation and development of core component technologies, the development and application of new infrared sensors will be rapidly promoted.
3. Biosensors:
Biosensors are an important part of the development and research of bioengineering. The key to biosensors is to identify a variety of living biopolymers and actively simulate the excellent sensory functions and the ability to recognize chemicals.
4. Bionic Sensor Bionic sensor is a new type of sensor that adopts a new detection principle. It uses immobilized cells, enzymes or other biologically active substances in combination with a transducer to form a sensor. This type of sensor is a new type of information technology that has been developed through the penetration of biomedicine, electronics, and engineering in recent years. This sensor is characterized by high performance and long life. In bionic sensors, the biometric sensors are more commonly used.
In the near future, biomimetic sensors that simulate the functions of the organism will appear, which may exceed the sensitivity of human facial features and improve the robot's vision, taste, touch, and ability to operate on objects. Experts said that although it is possible to see a wide range of applications for bionic sensors, these require the further development of biotechnology in order to achieve this, and look forward to the early arrival of this day.
5. Marine Science Sensors:
There are a large number of applications in the laying of submarine cable protection, water depth measurement, observation of seabed conditions, water temperature measurement, search for submarine cables, underwater robots, underwater optical cameras, and underwater position calibration systems.
6. Atomic Energy Sensor:
It can be divided into reactor monitoring sensors, radiation protection sensors, nuclear material management sensors, and nuclear fusion development sensors.
Experts and scholars unanimously believe that with the rapid development of the Internet of Things, smart phones, automotive electronics, medical electronics and other industries, the demand for sensor parts in all walks of life will be explosive growth, the sensor industry has entered a period of rapid development, the prospects are very broad.
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