Linear motor(linear motor) drive technology to speed up medical reform
time£º2018/9/8 click£º5153
Linear motor(linear motor) drive technology to speed up medical reform. In order to respond positively to the country's call for reform of the medical and health care system, medical reform has been implemented in practice. Relevant institutions, including hospitals, medical equipment manufacturers, and drug manufacturers, are working hard to implement some effective methods. In medical equipment, for example, manufacturers are trying to improve core components, such as the introduction of linear Motors(linear Motors) drive systems.
The linear motor(linear motor) drive system is a device that converts the energy obtained from power sources such as power supply, hydraulic pressure, and qigong into linear motion mechanical energy, and at the same time produces a force that makes the machinery work. In recent years, it has been used. Medical device manufacturing and production.
Linear motor(linear motor) drive technology
1, structure, principle
The linear motor(linear motor) evolved from a rotating motor. Its basic composition and principle of action are similar to those of ordinary rotary Motors, just as the rotary motor is cut and flattened along the radius direction, and its transmission mode is changed from rotating motion to linear motion.
2, drive the basic characteristic curve
The push force generated by the linear motor(linear motor) drive system is proportional to the drive current. When the push and pull speed is zero, the driving current is the peak, and at the same time, the peak push force(starting push force) is generated. With the increase of push and pull speed, the reverse electromotive force of the wire coil increases, the current gradually decreases, and the push force decreases.
3, the control of the driving system
Relay control and program control can be used for the positive reverse control of the linear motor(linear motor) drive system. When relay control is adopted, the control circuit and the main circuit of the motor system can be completely isolated and is not easily affected by the noise signal. Even if the main circuit of the motor fails, the control system will not be damaged. When it is necessary to control the push and pull speed of the driving system and require the control of positive and negative rotation, the PWM control circuit is usually used. The sensors configured with the driving system are: position sensors, rate sensors, and force sensors.
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Linear motor