Tripolar blood pump in-vitro magnetic drive system and controlling method thereof
A technology of magnetic drive and control method, applied in the direction of suction equipment, etc., can solve the problems of small torque, low efficiency, poor adaptability, etc.
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[0049] Such as figure 1 As shown, the driving device is composed of a three-pole radially symmetrically distributed iron core, a winding coil and an adjustable support.
[0050] Such as figure 2 As shown, the driving device is installed on the chest of the human body, and the opening angle and spacing are adjusted according to the different genders and body shapes of the human body to adjust to a suitable driving mode.
[0051] By simulation, as image 3 The 4-state driving moment angle characteristic diagram is used to determine the optimal driving phase angle. It can be seen from the figure that the phase angle changes along the maximum envelope. The permanent magnet phase angle rotation is driven by NNS mode at 0-90°, 90-180° Driven by SNN mode, driven by SSN mode for 180-270°, and driven by NSS mode for 270-360°, the maximum driving capacity can be achieved, and the average driving torque is the largest. The specific permanent magnet rotation diagram is as follows Fig...
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