Because this kind of
sensor is rare in our life, we should know more about it.
Maybe you for torque sensor has a lot of doubt, the following by Beijing kaidi engineer here for everyone to do a detailed introduction, let people to the product of manufacturer of torque sensor has a better understanding.
Just what are the classification of the torque sensor?
According to different principle, the torque sensor can be divided into variant type and voltage magnetic resistance should be.
Torque sensor can be divided into vibrating string type, photoelectric and phase difference.
The appearance of this kind of sensor of resistance strain type torque sensor structure is relatively simple, but its conductive slip ring vibration frequency is low, not suitable for high speed rotor vibration and high torque.
Photoelectric it consists of a torsion shaft torque sensor and of two gratings.
Two disks have the same number of radial part black, when the axis of rotation, rotation Angle deformation, grid and grid plate of 2 1 form different angles, forming light transmission port, pulse output, the greater the torque, the greater the transparent port opening, the greater the photocurrent pulse width is also very big.
The average of the pulse current is proportional to the torque, sensor does not contact, but there must be a stable light source.
Magnetic pressure of torsion shaft torque sensor is made of ferromagnetic material.
Under the effect of torque, the direction of the stress and magnetic anisotropy.
Resistance under the effect of traction tension decreased, the pressure under the action of the voltage rise, sensor leadless lick tube, belonging to the non-contact measurement, high reliability, good durability, high output voltage, is not sensitive to temperature and interference, etc.
Vibrating string type torque sensor is sensitive to the vibration string twist Angle measuring torque (
See the string vibration sensor)
。
With frequency signal transmission mode and good anti-jamming performance.
Reverse phase difference type sensor this product contains a torsional axis, two gears and a pair of reluctance generator components.
When a torsional axis distortion, two of the detector output voltage will produce phase, phase difference corresponds to the size of the torque.
The corresponding torque values can be measured by measuring the phase difference.
Through the above of the classification of the torque sensor, I believe you know already in this respect.
In fact torque sensor manufacturer production equipment are used in many machines, but also has been widely used.
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