Summary of Sensor Applications - Sensors, Technology - HC net electrical industry

Sensor In the field of application of new technologies: sensor is a new technological revolution and the information society important technical basis, is extremely important in today's world of high technology, all the modern Apparatus , Almost inseparable from the sensor device.

1 fiber optic sensors: In recent years, the development of fiber optic sensors very rapidly, revealing a huge development potential, subject to some developed countries, governments and research units attached great importance to China also attaches great importance to this new field of study application.

Optical fiber sensor has a number of advantages over conventional sensors unparalleled. For example, the optical fiber sensor with high sensitivity, fast response, wide dynamic range, anti-electromagnetic interference and high pressure insulation, passive resistance, flame proof, suitable for remote sensing, multi-loop system, no way "crosstalk" interference , small size, mechanical strength, flexibility flexible flexible, material is rich in resources and low cost. Another fiber optic sensor can achieve a wide amount of information now available to achieve a magnetic sensing the amount of information, sound, force, temperature, displacement, rotation, acceleration, liquid level, torque, strain, current, voltage, images, and a These chemical consumption level.

2 IR Sensors: Infrared sensors can be broadly divided into the heated mold and divided into two types of photoelectric effect, which is also called Semiconductor Sensor type. General thermal sensors can work at room temperature, the sensitivity and the wavelength, but lower sensitivity than the semiconductor sensor 1-2 orders of magnitude, response speed is much slower. Semiconductor sensor response speed, high sensitivity with the theoretical limit, and with the wavelength, and are generally required to cool the device. Semiconductors are widely used in military infrared sensors.

3 biosensor: development of biological sensors, an important link in biological engineering. The key is to identify a variety of biological sensors living biological polymers, biological active analog feel with excellent features and recognition of chemical substances.

4 medical sensors: rapid development in recent years, the following two types of medical sensors.
(1) image sensors used in diagnostic areas: X-ray diagnostic device with sensors that can look straight obtain higher resolution images; X-ray CT Sensors, are now around the heart area detector X-ray research. Commonly used form of the detector: scintillation detector xenon detector, semiconductor detector. Nuclear medicine diagnosis device sensors, can be diagnosed malignant Cancer Check the function of internal organs or lesions. Ultrasonic wave Diagnostic sensors, ultrasonic beam scan to the last low manually, now with a mechanical, electronic high-speed scanning, CT images obtained entities.

(2) the field of clinical chemistry tests sensors: optical sensor; electrochemical sensors: electrochemical determination is much more fast and easy, both for the determination of a variety of substances, can be measured non-contact. Electrochemical sensors, including in particular the ion-selective electrodes and biosensors will be even bigger.

5 marine science sensors: the Harbour Cable The laying of protection, measured depth, seabed conditions observed, temperature measurement, submarine cables and search operation in water Robot , Water optical camera, underwater position calibration systems have a lot of applications.

6 Atomic sensors: the reactor can be divided into Monitor Sensors, radiation Protection Sensors, nuclear materials management with the use of sensors and sensor fusion development.

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