German CD AUTOMATION SRL sensors, CD AUTOMATION SRL models, CD AUTOMATION SRL prices

CD AUTOMATION SRL sensors are devices capable of detecting the approach of objects. They utilize the sensitivity of displacement sensors to nearby objects to identify proximity and output corresponding switching signals; therefore, proximity sensors are often referred to as proximity switches. They are a general term for sensors designed to replace contact-based detection methods such as switches, with the aim of non-contact detection of the target object. They can detect movement and presence information of the object and convert it into electrical signals.

CD AUTOMATION SRL sensor classifications

The basic principle of multi-sensor information fusion technology is similar to the human brain's process of comprehensively processing information. It performs multi-level, multi-spatial information complementarity and optimized combination processing of various sensors, ultimately producing a consistent interpretation of the observed environment. In this process, multi-source data must be fully utilized for reasonable allocation and use. The ultimate goal of information fusion is to derive more useful information by combining information from multiple levels and aspects based on the separate observation data obtained from each sensor. This not only leverages the advantages of collaborative operation among multiple sensors but also comprehensively processes data from other information sources to enhance the intelligence of the entire sensor system. Pressure sensors are the most widely used type of sensor. Traditional pressure sensors mainly consist of mechanical structural components, indicating pressure through the deformation of elastic elements. However, these structures are large in size and heavy in weight, and cannot provide electrical output. With the development of semiconductor technology, semiconductor pressure sensors have emerged. Their characteristics include small size, light weight, high accuracy, and good temperature performance. Especially with the development of MEMS technology, semiconductor sensors are trending towards miniaturization, featuring low power consumption and high reliability.

CD AUTOMATION SRL sensor installation precautions

1) Correct installation method: Verify the frequency response value of the pressure sensor under normal atmospheric pressure and standard temperature conditions using appropriate instruments. Verify the correctness of the pressure sensor code against the corresponding frequency response signal. 2) Determine specific installation locations: To determine the numbering and specific installation locations of pressure sensors, consider each inflation section of the inflation network. Pressure sensors must be installed along the cable, preferably at cable joints. Install no fewer than 4 pressure sensors per cable. The two pressure sensors closest to the telephone exchange should be no more than 200m apart. Install 1 at each end of every cable. Install 1 at each branch point of the cable; if two branch points are close together (less than 100 m), only 1 needs to be installed. Install 1 where the cable laying method (overhead, underground) changes. For cables without branches, since the cable program is consistent, the installation spacing of pressure sensors should be no greater than 500m, and the total number should be no less than 4. To facilitate identification of pressure sensor fault points, in addition to installing a pressure sensor at the starting point, install another 1 at a distance of 150~200m from the starting point. Of course, economic and technical factors must be considered in the design; pressure sensors need not be installed where they are not required.

CD AUTOMATION SRL sensor applications

Pressure sensors are mainly applied in: booster cylinders, boosters, gas-liquid booster cylinders, gas-liquid boosters, presses, compressors, air conditioning and refrigeration equipment, and other fields. 1) Application in hydraulic systems: In hydraulic systems, pressure sensors are primarily used to achieve closed-loop force control. When the control valve spool moves suddenly, peak pressures several times the system operating pressure can form within a very short time. In typical mobile machinery and industrial hydraulics, if such extreme operating conditions are not considered during design, any pressure sensor will be damaged quickly. Shock-resistant pressure sensors are required. There are mainly 2 methods to achieve shock resistance in pressure sensors: one is to change the strain gauge chip, and the other is to use an external coil. The first method is generally adopted in hydraulic systems, mainly due to ease of installation. Another reason is that the pressure sensor must withstand continuous pressure pulsations from the hydraulic pump. 2) Application in safety control systems: Pressure sensors are frequently used in safety control systems, primarily targeting the safety management systems of air compressors themselves. There are many sensor applications in the field of safety control. As a very common sensor, the application of pressure sensors in safety control systems is not surprising. Applications in the safety control field are generally considered from the perspectives of performance, price, and operational safety and convenience. Practical evidence shows that the effect of selecting pressure sensors is very good. Pressure sensors use machining technology for mechanical equipment to mount components and signal conditioners onto a small chip. Therefore, small size is one of its advantages. In addition, low price is another major advantage. To some extent, it can improve the accuracy of system testing. In safety control systems, installing pressure sensors in the pipeline equipment at the air outlet helps control the pressure generated by the compressor to a certain extent, serving as a protective measure and a highly effective control system. After the compressor starts normally, if the pressure value has not reached the upper limit, the controller will open the intake port and adjust to bring the equipment to maximum power. 3) Application in injection molds: Pressure sensors play an important role in injection molds. Pressure sensors can be installed in the nozzle of the injection molding machine, hot runner systems, cold runner systems, and within the mold cavity. They can measure the plastic pressure at any point from the injection molding machine nozzle to the mold cavity during the processes of injection, filling, holding pressure, and cooling. 4) Application in mine pressure monitoring: Sensor technology is one of the key technologies for mine pressure monitoring. On one hand, we should correctly apply existing various sensors to serve the mining industry; on the other hand, sensor manufacturers must research and develop new types of pressure sensors to adapt to more mining industry applications. There are various types of pressure sensors. Due to the special environment of mine pressure monitoring, mine-used pressure sensors mainly include: vibrating wire pressure sensors, semiconductor piezoresistive pressure sensors, metal strain gauge pressure sensors, and differential transformer pressure sensors. These sensors have wide applications in the mining industry. The specific choice of sensor depends on the particular mining environment. 5) Application in compressors and air conditioning/refrigeration equipment: Pressure sensors are commonly used in air compressors and air conditioning/refrigeration equipment. These sensor products feature compact forms, easy installation, and pressure ports that generally adopt specialized valve needle designs.

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