What wave is the body sensing switch radar sensor

I. Introduction

Human sensing switch is an intelligent control mode of household appliances, which can control the switch of electrical appliances by sensing the movement or position of the human body. This sensor technology has been widely used in recent years, such as in intelligent lighting, intelligent security, intelligent home appliances and other fields. So, what is the wave of the human body sensor switching radar sensor? In this article, we will introduce in detail the working principle of the body-sensing switching radar sensor and the waves involved.

Second, the working principle of the human body sensor switch radar sensor

The main working principle of the human sensor switching radar sensor is to detect the target object by using the reflection of microwave or millimeter wave. When the human body enters the sensing area, it reflects a part of the microwave or millimeter wave, which is picked up by the receiver and converted into an electrical signal. Through the processing and analysis of these electrical signals, the position and action of the human body in the sensing area can be determined, so as to achieve human induction control.

Third, the wave involved in the human body sensor switch radar sensor

microwave

Microwaves are electromagnetic waves with frequencies between 300 MHz and 300 GHz. Microwave is usually used as a carrier to transmit signals in the human body sensor switching radar sensor. Microwaves have a short wavelength and can penetrate non-metallic objects, so there is no radiation hazard to the human body. At the same time, the microwave sensor has high sensitivity and accuracy, which can effectively detect the position and movement of the human body.

Millimeter wave

Millimeter waves refer to electromagnetic waves with frequencies between 30 GHz and 300 GHz. Due to its short wavelength, millimeter waves have high resolution and penetration. In the body sensing switch radar sensor, millimeter wave is often used to detect the position and movement of the human body more accurately. Compared with microwave sensors, millimeter wave sensors have higher sensitivity and accuracy, but the cost is also relatively high.

Four, the advantages of human body sensor switch radar sensor

Intelligent: The human body sensor switch radar sensor can intelligently sense the movement and position of the human body, achieve automatic control, and improve the intelligent level of home life.

Energy saving and environmental protection: Through the human body induction control electrical switch, you can avoid unnecessary energy waste, to achieve the effect of energy saving and environmental protection.

High safety: The human body sensor switch radar sensor has high sensitivity and accuracy, which can effectively avoid misoperation and improve the safety of home life.

Easy installation: The installation of the human body sensor switch radar sensor is relatively simple, generally only need to install the sensor in the appropriate position.

Application scenario of human body sensor switch radar sensor

Intelligent lighting: The human body sensor switch radar sensor can be used for intelligent lighting system, when people enter the room automatically turn on the light, leave the light automatically off, to achieve intelligent control.

Intelligent security: The human body sensor switch radar sensor can be used in the intelligent security system, when the intruder enters the monitoring area, the system will automatically alarm and record.

Smart home appliances: The human body sensor switch radar sensor can be used for the control of smart home appliances, such as smart air conditioners, smart TVS, etc., to realize the automatic control of electrical appliances according to the position and action of people.

Smart bathroom: The body sensing switch radar sensor can be used in smart bathrooms to automatically turn on the lights and exhaust fan when a person enters the bathroom and automatically turn off when leaving.

Vi. Summary

The human body sensor switch radar sensor is a smart home appliance control method that uses the reflection of microwave or millimeter wave to detect the position and movement of human body. It has the advantages of intelligence, energy saving and environmental protection, high safety and easy installation, and is widely used in intelligent lighting, intelligent security, intelligent home appliances, intelligent bathrooms and other fields. Through the processing and analysis of the reflected microwave or millimeter wave signal, human body induction control can be realized, so as to bring people a more intelligent and convenient home life experience.