The principle and application of sensors make technology more intelligent


Published:

Dec 12,2022

Sensors can be said to be ubiquitous in our lives. Human beings use different types of sensors to manufacture different electronic devices and household appliances. It can be said that in the field of science and technology, sensors play an important role. Next, let's talk about how the sensor works.

Sensors can be said to be ubiquitous in our lives. Human beings use different types of sensors to manufacture different electronic devices and household appliances. It can be said that in the field of science and technology, sensors play an important role. Next, let's talk about how the sensor works.

sensor

The sensor is actually an intelligent detection and feedback device, which can realize the transmission and processing of electrical signals, temperature, heat and other information.

Sensors are a sign of intelligence and a prerequisite for automation.

There are also sensors made of semiconductor or magnetic materials, which are sensors that are manufactured using the characteristics of these special materials.

Sensor principle

The sensor is mainly composed of four parts, namely the sensitive element, the conversion element, the conversion circuit, and the auxiliary power supply. The sensitive elements are mainly used to receive information, mainly including heat, light, gas, force, sound, magnetic and other sensitive elements.

The conversion element is used to output the signal detected by the sensitive element and convert it into an electrical signal

The conversion circuit is used to amplify these electrical signals again, and finally feed them back to the command system to perform corresponding actions.

The auxiliary power supply provides power to various internal components.

sensor application

There are many applications of sensors in our daily life, such as sweeping robots, which use lasers to judge whether there are obstacles in front of them and realize rotation in different directions.

The smartphones we use every day use many sensor principles, such as the light sensor to automatically adjust the brightness, and the counting sensor to keep track of our steps.

Infrared detection sensor, smoke sense, object sense, etc. Sensor technology has become a mature technology that promotes industrial automation and intelligent technology, and has been widely used in smart devices in various industries. For example, a smart car uses almost all sensor types.

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