German PROFILT sensor PROFILT model PROFILT price

PROFILT sensors are used to measure the robot's own position. Position sensors can be divided into two types: contact sensors and proximity sensors. They are sensors that can sense the position of the measured object and convert it into a usable output signal. It is a sensor that can sense the position of the measured object and convert it into a usable output signal. Position sensors can be used to detect position, reflect switches in a certain state. Unlike displacement sensors, position sensors come in two types: contact and proximity.

PROFILT sensor classification

The basic principle of multi-sensor information fusion technology is similar to the process of the human brain comprehensively processing information. It performs multi-level, multi-space information complementary 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, and 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 information obtained from each sensor. This not only utilizes the advantages of multiple sensors operating in coordination with each other, but also comprehensively processes data from other information sources to improve the intelligence of the entire sensor system. Pressure sensors are the most widely used type of sensor. Traditional pressure sensors are mainly mechanical structural devices, indicating pressure through the deformation of elastic elements, but this structure is large in size, heavy in weight, and cannot provide electrical output. With the development of semiconductor technology, semiconductor pressure sensors have also emerged. Their characteristics include small size, light weight, high accuracy, and good temperature characteristics. Especially with the development of MEMS technology, semiconductor sensors are developing towards miniaturization, and they have low power consumption and high reliability.

PROFILT 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 and the corresponding frequency response signal. 2) Determine the specific installation location: To determine the numbering and specific installation location of the pressure sensor, consider each inflation section of the inflation network. Pressure sensors must be installed along the cable, preferably at the cable joint. Each cable shall be equipped with no fewer than 4 pressure sensors. The two pressure sensors closest to the telephone exchange shall not be more than 200m apart. Install 1 at the beginning and end of each cable respectively. 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 shall not exceed 500m, and the total number shall be no less than 4. To facilitate the determination 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 should not be installed where they are not needed.

PROFILT 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) Applied to hydraulic systems: In hydraulic systems, pressure sensors are mainly used to complete closed-loop force control. When the control valve spool moves suddenly, a peak pressure several times the system working pressure will 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 for pressure sensors to achieve shock resistance: one is to replace the strain gauge chip, and the other is to use an external coil. The first method is generally adopted in hydraulic systems, mainly because it is convenient to install. Another reason is that the pressure sensor must also withstand continuous pressure pulsations from the hydraulic pump. 2) Applied to safety control systems: Pressure sensors are frequently used in safety control systems, mainly targeting the safety management system of the air compressor itself. There are many sensor applications in the field of safety control. As a very common sensor, it is not surprising that pressure sensors are used in safety control systems. Applications in the field of safety control are generally considered from the aspects of performance, price, and the safety and convenience of actual operation. Practical proof shows that the effect of selecting pressure sensors is very good. Pressure sensors use mechanical equipment processing technology to install some components and signal regulators on a very small chip. Therefore, small size is one of its advantages. In addition, low price is another major advantage. To a certain extent, it can improve the accuracy of system testing. In safety control systems, installing pressure sensors in the pipeline equipment at the air outlet can control the pressure brought by the compressor to a certain extent. This is a certain protective measure and also a very effective control system. After the compressor starts normally, if the pressure value does not reach the upper limit, the controller will open the intake port to adjust so that the equipment reaches maximum power. 3) Applied to 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 system, cold runner system, and mold cavity. They can measure the plastic pressure at a certain point from the nozzle of the injection molding machine to the mold cavity during the processes of injection, filling, holding pressure, and cooling. 4) Applied to mine pressure monitoring: Sensor technology is one of the key technologies for mine pressure monitoring. On the one hand, we should correctly apply existing various sensors to serve the mining industry; on the other hand, as sensor manufacturers, we must research and develop new 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 pressure sensors mainly include: vibrating wire pressure sensors, semiconductor piezoresistive pressure sensors, metal strain gauge pressure sensors, differential transformer pressure sensors, etc. These sensors have wide applications in the mining industry. The specific type of sensor to use depends on the specific mining environment. 5) Applied to compressors and air conditioning/refrigeration equipment: Pressure sensors are commonly used in air compressors and air conditioning/refrigeration equipment. Such sensor products are compact in shape, easy to install, and the pressure guide port generally adopts a special valve needle design.

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