A new type of pen recorder for linear motor(linear motor).
time£º2019/1/24 click£º5536
A new type of pen recorder for linear motor(linear motor). The pen recorder is a kind of recording instrument based on the principle of automatic balance of measurement loop, which is used to record slowly changing power signals. A tool for recording electricity signals, that's for the power industry! Dear friends, a friendly reminder from the small editor of the linear motor(linear motor): Sometimes when you are not clear about something, you must remember to leave three points in your speech, or you may be laughing at everyone's "no culture is terrible"! Pencil recorders are widely used in medicine, petroleum, chemical, metallurgical, electronics, electricity and other industries, power is only one of the small aspects!
It is reported that most of the traditional pen-type recorders are driven by a rotating servo motor, and then go through a set of gears and cable systems to make the recording pen get the required linear motion. Therefore, its overall structure is large and complex, its transmission efficiency is low, its accuracy is poor, and its sensitivity and rapidity are all limited to different degrees. With the development of linear motor(linear motor) technology, it gradually replaced the servo motor as the driving device of the pen recorder. The pen recorder driven by the linear motor(linear motor) has overcome the above-mentioned defects of the pen recorder driven by the servo motor.
So how does a pencil recorder driven by a linear motor work? When the bridge is balanced, there is no current output. At this time, the record pen of the linear motor(linear motor) is in the zero position of the instrument. When the external signal voltage is not equal to zero, the bridge loses its balance, produces a fixed output voltage and current, and pushes the linear motor(linear motor) to carry a pen to do linear motion. The pen can record the signal on the walking paper, and also slide on the feedback device with the contact to make the bridge tend to a new balance. Linear motor(linear motor) acts as position servo mechanism in instrument control system.
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