Due to the harsh working environment of construction machinery, in order to improve its safety and performance, it is necessary to effectively control the overall performance of the machinery. In recent years, with the rapid improvement of production and manufacturing technology in construction machinery, the application of sensor technology in construction machinery has become more common and widespread. The role of sensors in construction machinery is to convert various non electric quantities into electric output devices according to certain rules, in order to analyze, process and adjust the working status of the controlled device. Advanced sensors are mostly used in combination with processors to form self-control devices. In fact, the applications of sensors currently used in construction machinery mainly include three aspects: first, the control of engine operating conditions; The second is the control of the hydraulic system; The third is the control of the overall performance of construction machinery.
The hydraulic transmission system plays a very important role in the transmission of modern construction machinery. It is not only applied in the main working mechanisms, such as the excavation mechanism transmission of excavators and the vibration mechanism of vibratory rollers, but also widely used in the walking system, steering system, and some servo mechanisms of modern construction machinery. The application of pressure sensors to control hydraulic oil pressure in hydraulic systems is mainly to achieve closed-loop control of force. But not any pressure sensor can accomplish this task. Because when the control valve core suddenly moves, a peak pressure several times the system working pressure will be formed in a very short period of time. In typical walking machinery and industrial hydraulics, if such extreme working conditions are not taken into account during design, any pressure sensor will quickly be damaged.
In response to some key issues faced by construction machinery manufacturers and suppliers on construction sites, Shidefu provides the RPT8100 series pressure sensor solution. The RPT8100 series pressure sensor sets a new performance benchmark for demanding engine and motor vehicle applications, suitable for measuring liquid and gas pressures, even including media such as hydraulic oil, sewage, steam, and corrosive liquids. Applied in HVAC/R control, engineering machinery, motor vehicles, compressors, hydraulic systems, energy and water resource control, and other fields. The pressure chamber of RPT8100 is made of 316L stainless steel, without O-rings, core body, and does not directly contact the measuring medium. Multiple leak free pressure interfaces are available for selection. The automotive grade pressure transmitter integrates sealed pressure ports and electrical connectors, with a range from 0 to 600MPa and excellent durability. At the same time, the sensor complies with the latest heavy industry CE standards, including surge protection and 50Vdc forward and reverse overvoltage protection. Therefore, by optimizing the engine and hydraulic system of construction machinery through sensor technology, construction machinery manufacturers and suppliers can more effectively solve various harsh environments on construction sites and ensure long-term stable operation of construction machinery.
1. Stable performance, excellent EMC performance
2. High and low temperature, salt spray, temperature and humidity testing
3. Compact design, resistant to high-frequency vibration and impact
4. The protection level can reach IP67, IP68
5. Construction machinery pressure sensors comply with RoHS and CE certification
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