The pull rope displacement sensor is a new sensing device that converts physical quantities into measurable electrical signals. These can be easily applied to industrial control detection signals, such as 4-20MA.0-10V MODBUS RS485. Before these international standard signals are adopted, some physical quantities need to be collected and converted in a proportional manner, amplified, and a variety of environmental quantities can be acquired by such a precision instrument, and the pull rope displacement sensor gives This mission.
The main core components of the pull rope displacement sensor are divided into circuit converters and mechanical conversion devices. The electronic part of the circuit is mainly a voltage regulator device of 0-10V. When the unstable power supply with harmonic interference components is stabilized and filtered, The high-precision voltage signal is applied to the potentiometer, which facilitates the voltage-proportional signal corresponding to the change in the displacement amount to be supplied to the potentiometer, and the output and processing of the current signal are based on the stable voltage signal. Using a sampling resistor, the signal that has been accurately quantified by the potentiometer is converted into an industry-standard 4-20MA current signal. If you need to output 4-20MA signal, the sampling resistance is 5K when the voltage is 2-10V
For signal processing in a fairly complex industrial environment, it is also very important to do a good job of anti-jamming measures. In terms of pulse spike suppression and power supply harmonic suppression, proper addition of magnetic loops and filter capacitors make up the differential mode and common mode anti-jamming circuit. .
In the application of smaller displacement measurement applications, such as injection molding machine opening and closing mold stroke, molding machine position preset and feedback, you need a small displacement range of 50-1250MM is enough, when the need for larger displacement During the test, such as the displacement of the airbag airbag, the dam water level, the steering of the ship, and the storage location. Container terminal and so on, need to use a larger range of displacement detection, while the space and weight applied to the measurement is limited to a certain space and volume, in this occasion, the design to minimize the volume and weight of the sensor is particularly important. In terms of weight reduction, we can use a relatively light high-strength aluminum alloy material as the overall structure of the sensor, which not only ensures the rigidity of the pull rope displacement sensor, but also greatly reduces the weight. At the same time, this high-strength aluminum material is Acid and anti-corrosion treatment, suitable for field detection and monitoring.
The main core components of the pull rope displacement sensor are divided into circuit converters and mechanical conversion devices. The electronic part of the circuit is mainly a voltage regulator device of 0-10V. When the unstable power supply with harmonic interference components is stabilized and filtered, The high-precision voltage signal is applied to the potentiometer, which facilitates the voltage-proportional signal corresponding to the change in the displacement amount to be supplied to the potentiometer, and the output and processing of the current signal are based on the stable voltage signal. Using a sampling resistor, the signal that has been accurately quantified by the potentiometer is converted into an industry-standard 4-20MA current signal. If you need to output 4-20MA signal, the sampling resistance is 5K when the voltage is 2-10V
For signal processing in a fairly complex industrial environment, it is also very important to do a good job of anti-jamming measures. In terms of pulse spike suppression and power supply harmonic suppression, proper addition of magnetic loops and filter capacitors make up the differential mode and common mode anti-jamming circuit. .
In the application of smaller displacement measurement applications, such as injection molding machine opening and closing mold stroke, molding machine position preset and feedback, you need a small displacement range of 50-1250MM is enough, when the need for larger displacement During the test, such as the displacement of the airbag airbag, the dam water level, the steering of the ship, and the storage location. Container terminal and so on, need to use a larger range of displacement detection, while the space and weight applied to the measurement is limited to a certain space and volume, in this occasion, the design to minimize the volume and weight of the sensor is particularly important. In terms of weight reduction, we can use a relatively light high-strength aluminum alloy material as the overall structure of the sensor, which not only ensures the rigidity of the pull rope displacement sensor, but also greatly reduces the weight. At the same time, this high-strength aluminum material is Acid and anti-corrosion treatment, suitable for field detection and monitoring.
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