Wireless energy transmitting device for gastrointestinal tract micro-robot
A micro-robot and wireless energy technology, applied in circuit devices, transformer/inductor components, transformer/inductor coils/windings/connections, etc., to overcome low energy transmission efficiency and prolong working time
Pending Publication Date: 2020-08-14
SHANGHAI JIAO TONG UNIV
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Problems solved by technology
[0003] Aiming at the above-mentioned deficiencies in the prior art, the present invention proposes a wireless energy transmitting device for micro-robots in the gastrointestinal tract, which solves the problem of power variation in wireless energy transmission, ensures that the position of the robot is stable, and effectively improves the energy transmission efficiency
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[0018] Such as figure 1 As shown, this embodiment includes: a lying bed driver 1, a wireless energy transmitting unit 2 and an external drive unit 3, wherein: the lying bed driver 1 adjusts the lying bed posture according to different body shapes of the subjects, and the external driving unit 3 stimulates the wireless energy The transmitting unit 2 generates an alternating magnetic field to provide stable energy to the gastrointestinal robot and improve the quality of detection.
[0019] Such as figure 2 As shown, the lying bed driver 1 includes: a lying bed 4 and a base 7, and a driving unit 5 and a control unit 6 that cooperate with each other, wherein: the driving unit 5 and the control unit 6 control the lying bed according to the different body shapes of the subjects. The bed 4 moves vertically to achieve the best detection position, and the base 7 provides stability for the driver 1 of the bed.
[0020] Such as image 3 As shown, the wireless energy transmitting unit...
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The invention discloses a wireless energy transmitting device for a gastrointestinal tract micro-robot. The device comprises a magnetic core of a multi-section series structure, pole shoes arranged atthe two ends of the magnetic core, an LC resonance circuit arranged on the magnetic core, a movable mechanism used for adjusting the pose of the magnetic core, and an in-vitro driving unit connectedwith the LC resonance circuit. The LC resonance circuit is located outside the magnetic core, the in-vitro driving unit inverts a square wave signal with a specific frequency and then generates an alternating electromagnetic field through the LC resonance circuit so as to supply energy to the gastrointestinal tract robot, and the movable mechanism is arranged on a multi-section series structure ofthe magnetic core to achieve position and / or posture adjustment. A stable closed magnetic circuit is formed, energy is supplied to the gastrointestinal tract robot in the body in an electromagnetic coupling mode, the defects that an energy supply system of the gastrointestinal tract robot is low in energy transmission efficiency and stability are overcome, the working time of the robot in the body is prolonged, and the energy supply system is suitable for patients of different body types.
Description
technical field [0001] The present invention relates to a technology in the field of wireless energy transmission, in particular to a wireless energy transmitting device for micro-robots in the gastrointestinal tract. Background technique [0002] Most of the existing gastrointestinal micro-robots use wireless energy supply technology, using solenoids, solenoid pairs, double-layer solenoid pairs, multi-segment solenoids and Helmholtz coils as wireless energy transmitting coils. When used, there are problems such as the inability to form a closed magnetic field loop, low energy transmission efficiency, poor uniformity of the magnetic field, and uncertain position of the robot, which limit the image resolution and frame rate collected by the gastrointestinal microrobot in the body, and the inspection effect is not good. ideal. Contents of the invention [0003] Aiming at the above-mentioned deficiencies in the prior art, the present invention proposes a wireless energy tran...
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IPC IPC(8): H02J50/12H02J50/90H01F27/24H01F27/28H01F38/14
CPCH02J50/12H02J50/90H01F38/14H01F27/24H01F27/2823
Inventor 颜国正薛蓉蓉王志武姜萍萍刘大生汪炜温桠妮孟一村陈范吉
Owner SHANGHAI JIAO TONG UNIV