Outlining the torque sensor in the practical application in life

The current mature torque measuring method is strain electrical measuring technology, with high precision, fast frequency response, good reliability, long service life, etc. With strain glue paste special strain gauge in the factory being measured axis, forming strain bridge. If provided to strain bridge work power, you can test the elastic axis of electrical signals, it is a torque sensor manufacturers engineer mode of operation. But in a rotating power transmission system, the most important issue is how to press the strain of the bridge bridge input is passed on to the body of revolution in a reliable way, and will be reliably detected strain signal output between rotator and static body. The commonly used method is to use conductive slip ring. Due to the conductive slip ring belongs to the frictional contact, will inevitably produce wear and fever, which limits the speed of rotation and the service life of conductive slip ring. Due to unreliable contact signal fluctuations, measurement error is larger, and even measure is not successful. In order to overcome the defects of the conductive slip ring, another method is to adopt the method of radio telemetry, the torque on the rotor strain signal amplifier, v/f conversion into frequency signal and carrier modulation radio transmission method from the shaft transmission to the outer edge of the shaft, then the method of using radio receiving shaft torsional signal. Energy supply on the shaft is fixed on the rotating shaft of the battery. This method is called remote sensing torque meter. Torque sensor factory engineer said, they measure torque, rotational speed and the product is mechanical power precision measuring instruments, widely used in: 1, the detection of motor, engine and internal combustion engine rotating the output torque and power of the power equipment; 2, check the fan and water pump gear box, the torque and power of the torque wrench; 3, railway locomotives, automobiles, tractors, planes, ships and the torque and power of the mining machinery inspection; 4, can be used in the wastewater treatment system of torque and power detection; 5, can be used in the manufacture of viscometer; 6, can be used in the process industry and process industry; 7, can be used in the lab, test, production monitoring and quality control department. Torque sensor installation note: 1, during the installation process, do not allow the power operation. Don't knock or collision sensors directly. 2, should tighten the coupling bolt, coupling external and protection, so as not to cause personal injury. 3, output signal lines should not short circuit or the power supply circuit, the output current is not more than 10 ma. Shielded cable shield must be connected to the public side (+ 15 v power supply The power supply) 。

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