In the last few articles, we have introduced the definition and development background of industrial intelligent sensors, the types of industrial intelligent sensors, the statistical analysis of global industrial intelligent sensors, the development environment of global industrial intelligent sensors, etc., and then this article will mainly introduce the main products of industrial intelligent sensors.
Industrial smart sensor products are a key component of modern industrial automation and smart manufacturing, which can monitor and collect equipment status data in real time, and then enable intelligent decision-making for predictive maintenance through data analysis. With the rapid development of information technologies such as artificial intelligence, 5G, and big data, industrial sensors are entering a new era of intelligence. Intelligent sensors usually have built-in microprocessors, which have functions such as automatic monitoring, compensation, data storage, and logic judgment, and can sense and make decisions autonomously.
With the advent of the new technological revolution, miniaturization, intelligence, multi-functionalization, and integration are the main directions of sensor development, and the development of smart factories is closely related to industrial intelligent sensors.
Pressure sensors
Pressure sensor is a device that converts pressure signals into electrical signal output, which is widely used in industrial automation environments and many industries, such as water conservancy and hydropower, transportation, construction, aerospace, etc. Pressure sensors are capable of monitoring, converting, and outputting pressure signals, and they typically have the following functions:
Converts pressure changes into electrical signals.
Signal amplification and conditioning for subsequent measurement and control.
In some cases, self-diagnosis and temperature compensation are available.
Temperature sensor
Temperature sensor is a device that converts temperature changes into electrical signals, which are widely used in industry, scientific research, environmental monitoring, medical treatment and daily life. Its main functions include measuring temperature and converting it into an electrical signal, which can provide an analog signal (such as voltage or current) or a digital signal. In addition, in some advanced sensor types, signal amplification, linearization, and temperature compensation are available. With the development of technology, temperature sensors are developing in the direction of high precision, low power consumption, miniaturization, intelligence and wireless. For example, smart temperature sensors can integrate microprocessors for data logging, alarming, and communication.
Figure: Key application markets for temperature sensors
Ultrasonic sensors
Ultrasonic sensors are sensors that use ultrasonic characteristics to monitor the distance and speed of objects. It has a wide range of applications and can be used for robot navigation, collision avoidance, object recognition, etc. In the automotive industry, it can be used for parking assist systems, blind spot detection, adaptive cruise control, and more. In the medical field, ultrasound imaging is used for diagnosis and treatment.
The main functions of ultrasonic sensors include:
Measure the distance between an object and a sensor.
Detect the presence and position of objects.
Measure the velocity of an object (via the Doppler effect).
In some applications, it is used to measure the flow rate or horizontal height of liquids.
Figure: How ultrasonic sensors work
Accelerometers
An accelerometer is a device that detects and measures changes in acceleration, and it can sense the linear acceleration or vibration state of an object during movement.
Key features of accelerometers include:
Linear acceleration, which is the rate of change in the velocity of an object, is measured.
Measure vibration, including frequency and amplitude.
In some advanced sensors, it is also possible to measure the angle of inclination or the speed of rotation.
Accelerometers can be used in the automotive industry, aerospace, industrial automation, consumer electronics, and construction engineering. In recent years, accelerometers are moving towards smaller size, lower power consumption, higher accuracy, wider measurement range, and stronger environmental adaptability. In addition, smart accelerometers can integrate data and wireless communication functions for remote monitoring and diagnostics.
In addition to the above sensors, there are also proximity sensors, photoelectric sensors, liquid level sensors, encoders and other industrial intelligent sensors. With the acceleration of the intelligent and digital process of various industries, the application scenarios of smart sensors will continue to expand and deepen. In addition to the existing consumer electronics, automotive, industrial, medical, communication and other fields, industrial intelligent sensors will also be widely used in smart home, smart city, intelligent transportation, intelligent agriculture, intelligent logistics and other emerging fields, bringing more convenience and innovation to people's lives and the development of society. As an important part of the new infrastructure, what is the development prospect of industrial intelligent sensors? This will be analyzed in detail in the next article.
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