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24GHz millimeter wave radar sensor New focus for industrial manufacturing of iot

2023-03-17 467

24GHz millimeter wave radar sensor Internet of Things industrial manufacturing new focus, artificial intelligence 5G, big data technology has accelerated the industrial upgrading of all walks of life. The era of Industry 4.0 is coming, and the industrial technology is also developing towards the direction of intelligence and automation. Industrial automation technology is one of the key points of Chinese industry development. 24GHz millimeter wave radar sensor has strong penetrating ability and is mainly used in industrial automation construction. The rational standardized operation of industrial robots, robotic arms and other intelligent equipment is closely related to the high-precision detection ability of millimeter wave radar.

24GHz millimeter wave radar sensor New focus for industrial manufacturing of iot

What are the advantages of millimeter wave radar and other radars in industrial applications? At present, radar sensors are mainly divided into three types: Lidar, ultrasonic radar and millimeter wave radar. Different types of radar have different working mechanisms and detection capabilities. The following will analyze the advantages of millimeter wave radar in industrial applications.


24GHz millimeter wave radar sensor has strong penetration ability. Based on different operating mechanisms, different radars have different penetration capabilities. Lidar uses laser beams to monitor objects and cannot penetrate or block them. Ultrasonic radar measures objects by emitting ultrasonic waves. When ultrasonic waves encounter some high density, high hardness object, they cannot penetrate. Millimeter waves emit electromagnetic waves to detect the object under test. Electromagnetic waves can penetrate many non-metallic objects, such as water, glass, plants and so on. Millimeter wave radar has better penetration among the three types of radar.


Long detection range, Lidar through laser monitoring objects, detection distance up to 50 meters, no object blocking. Ultrasonic radar has a high accuracy between 0.1 meters and 3 meters, generally up to 8 meters, mainly used for automotive radar. The millimeter wave of millimeter wave radar is between centimeter wave and microwave, compatible with the advantages of photoelectric radar and microwave radar. 24GHz millimeter wave radar sensor has stronger penetration ability, and generally the detection distance is between 0 and 100 meters, so the detection distance of millimeter wave is longer.


The working environment has strong anti-interference ability. When the laser radar works in the strong light environment, the performance will be reduced due to the strong light interference, and the detection results will be affected. The accuracy of measurement can also be affected if the temperature is too high or there is smoke. Ultrasonic radar travels through a medium by means of ultrasonic waves. Due to different media, ultrasonic transmission speed will also change, working in rain, snow, sand and other bad weather environment will affect the measurement accuracy. 24GHz millimeter wave radar sensor is not affected by media, light intensity and temperature, and has strong anti-interference ability to the external environment.


Millimeter wave radar is advanced in Lidar and ultrasonic radar because of its long detection range, strong penetrating ability and free from constraints of working environment. It is mainly used in industrial automation field. 24GHz millimeter wave radar sensor industry With the improvement of the level of science and technology, traditional factories are also transformed into intelligent factories, the introduction of robotic arms, intelligent robots and other automation equipment. Safety is important in a fully automated factory. Introduced industrial millimeter wave sensors for human or object detection. When the sensor detects people or objects approaching, it will trigger the safety protection system to reduce the occurrence of collision accidents. Millimeter wave sensor will not affect the detection accuracy due to dust and light intensity in the factory.


24GHz millimeter wave radar sensor is a highly integrated millimeter wave sensor based on FMCW technology. It covers shorter wavelengths in millimeters than conventional frequency bands. It also has a continuous bandwidth of 4GHz, which improves range resolution and helps to detect close-range objects. Integrated with a closed-loop PLL ultra-precise linear frequency modulation pulse engine, it supports three signal transmitting channels and two signal receiving channels, both of which can operate simultaneously. In terms of interfaces, two SPI interfaces can be controlled by interconnecting SPI interfaces with peripheral processors. The low voltage drop power network is used for power management and improves the power suppression ratio. IWR1443 can operate normally at -wide temperature environment of 40℃~105℃. It also adopts 10.4 ℃ mm*BGA package of 10.4mm 161pin, which is convenient for engineers to design layout and reduce space proportion. The chip has the characteristics of small size, low power consumption, high precision and wide temperature resistance. Factory automation, industrial ranging sensors, industrial speed sensors and safety protection devices for industrial applications.


Industrial robots move slowly when working with humans. Manufacturers of robotic arms and automated industrial robots must improve environmental sensing capabilities in robot design to quickly detect and prevent possible collisions. Therefore, a 24GHz millimeter wave radar sensor suitable for robot was designed. It is an intelligent sensor based on FMCW technology to design millimeter wave radar sensors, which can carry out real-time data processing and decision-making, and can operate in the frequency band. It also supports 4-channel receiving and 3-channel transmitting millimeter-wave signals, PLL closed-loop control, hardware acceleration, etc. In terms of detection distance, 24GHz millimeter-wave radar sensor can detect objects within 10 meters, and the detected objects are not restricted. In terms of detection Angle, it supports the detection of 120° large Angle to accurately perceive the surrounding environment, so as to avoid the danger caused by the collision between industrial robots and other objects or people. It can work in the environment of smoke, dust and poor lighting conditions, and can also detect transparent objects to meet the needs of industrial production and solve the problem of human-computer interaction.


The rapid development of industrial automation is closely related to sensors. The 24GHz millimeter wave radar sensor has the capability of penetration, detection and anti-jamming to the ambient working environment. Compared with Lidar, it has the advantage of relatively low cost. It is mainly used in industrial production, to help the development of industrial automation, with a better attitude to meet the arrival of industry 4.0 era.


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