Injection Pump Machine is also one of our products. The injection pump is composed of a stepping motor and its driver, a screw rod and a bracket, etc. It has a reciprocating screw rod and nut, so it is also called a screw rod pump. The nut is connected with the piston of the syringe, and the liquid medicine is contained in the syringe to realize high-precision, smooth and pulsation-free liquid transmission.
When working, the single-chip microcomputer system sends out control pulses to make the stepping motor rotate, and the stepping motor drives the screw rod to turn the rotary motion into linear motion, pushing the plunger of the syringe for injection and infusion, achieving high-precision, smooth and pulsation-free liquid transmission. The injection speed can be set by the operator through keyboard operation. After the syringe pump is started, the CPU provides the motor drive voltage by means of D/A conversion. The motor rotation detection circuit is a group of photoelectric coupling circuits that generate pulse signals through the rotation of the motor, and this pulse signal is fed back to the CPU. The CPU controls the motor voltage according to this feedback to obtain the set speed.
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