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Four-dimensional ultrasound probe motor control system

An ultrasonic probe and motor control technology, applied in echo tomography, etc., can solve the problems of closed-loop control of the motor control system, avoid the interference of ultrasonic echo signals, achieve precise motion control, and reduce the probability of motor vibration Effect

Inactive Publication Date: 2009-07-15
SHENZHEN LANDWIND IND
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  • Abstract
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AI Technical Summary

Problems solved by technology

[0004] The technical problem to be solved by the present invention is to provide a four-dimensional ultrasonic probe motor control system, which overcomes the defect that the four-dimensional ultrasonic probe of the prior art uses a stepping motor, so it cannot be closed-loop controlled by the motor control system

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Embodiment Construction

[0027] Below according to accompanying drawing and embodiment the present invention will be described in further detail:

[0028] like figure 1 As shown, the four-dimensional ultrasonic probe motor control system of the present invention includes a microprocessor, a motion controller, a motor driver and an encoder, the microprocessor, the motion controller and the motor driver are connected in sequence, the motor driver is connected to the servo motor, and the encoder is connected to the servo motor. The rotating shaft of the motor is connected, and the output ends of the encoder are respectively connected with the microprocessor and the motion controller. The microprocessor is used to send commands to control the movement of the servo motor to the motion controller, and the encoder is used to output At least one detection signal, the motion controller is used to output a control signal for controlling the movement of the motor to the motor driver according to the instruction ...

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Abstract

The invention discloses a four-dimensional ultrasonic probe motor control system which comprises a microprocessor, a motion controller, a motor driver and a coder, wherein the microprocessor and the motion controller are sequentially connected with the motor driver, the motor driver is connected with a servo motor, the coder is connected with a rotating shaft of the servo motor, the output end of the coder is respectively connected with the microprocessor and the motion controller, the microprocessor is used for sending commands for controlling the motion of the servo motor to the motion controller, the coder is used for respectively outputting at least one path of detection signals to the microprocessor and the motion controller, the motion controller is used for outputting control signals for controlling the motion of the motor to the motor driver according to the commands and the detection signals, and the motor driver is used for driving the servo motor according to the control signals.

Description

technical field [0001] The invention relates to the technical field of ultrasonic imaging equipment, in particular to a four-dimensional ultrasonic probe motor control system. Background technique [0002] In the ultrasound imaging system, the images obtained by ordinary probes are two-dimensional images. If you want to obtain four-dimensional images, you need to use a special ultrasound probe—four-dimensional ultrasound probe. The four-dimensional ultrasonic probe is composed of an ordinary ultrasonic transducer plus a motor and a transmission device. When the motor drives the transmission device to make the ultrasonic transducer oscillate around an axis, during the oscillating process of the ultrasonic transducer, the transmitting module applies a transmitting voltage to the ultrasonic transducer to make it emit ultrasonic waves, and when the ultrasonic waves propagate in the human body, Reflections will be generated on uneven surfaces between tissues in the body, and the...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61B8/13
Inventor 蒋颂平李春彬兰海
Owner SHENZHEN LANDWIND IND
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