An Electromagnetic Coupling Mechanism for a High Power Inductive Power Transmission System
A technology of inductive power transmission and electromagnetic coupling, applied in transformer/inductor parts, circuits, inductors, etc., can solve the problems of fast heat dissipation, short-time overload, component limitation, etc. Reduced stress requirements, compact coil effect
Inactive Publication Date: 2019-05-10
SOUTHWEST JIAOTONG UNIV
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Problems solved by technology
[0006] In view of the above problems, the object of the present invention is to provide an electromagnetic coupling mechanism of a high-power inductive power transfer system that can effectively reduce the coil space and improve the system transmission power capacity, so as to solve the problems of fast heat dissipation and Component limitations, short-term overload issues
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[0041] The present invention will be described in further detail below in conjunction with the accompanying drawings and specific embodiments. An electromagnetic coupling mechanism of a high-power inductive power transmission system includes a coupling part and a circuit part. Among them, the coupling mechanism part includes a unipolar coil L integrated at the transmitting end t1 and bipolar coil L t2 , and a unipolar coil L integrated at the receiving end at a distance from it r1 and bipolar coil L r2 . Bipolar coil L t2 and L r2 Both include two parts with equal area and opposite polarity and symmetry, such as figure 1 shown. Unipolar coil L t1 Closely attached to the bipolar coil L t2 , unipolar coil L r1 Closely attached to the bipolar coil L r2 . A unipolar coil structure such as figure 2 shown. In addition, the above four coils are parallel to each other, the straight line where the center points of the coils are located is perpendicular to the plane of th...
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The invention discloses an electromagnetic coupling mechanism of a high-power inductive power transmission system, which is characterized in that it includes a unipolar coil L integrated at the transmitting end t1 and bipolar coil L t2 , and a unipolar coil L integrated at the receiving end at a distance from it r1 and bipolar coil L r2 ;Bipolar coil L t2 and L r2 Both include two parts with equal area and opposite polarity and symmetrical, unipolar coil L t1 Closely attached to the bipolar coil L t2 , unipolar coil L r1 Closely attached to the bipolar coil L r2 ; and the four coils are parallel to each other, the straight line where the center points of the coils are located is perpendicular to the coil plane, and the symmetry axes of the coils are parallel to each other. In the present invention, the bidirectional coil and the single-stage coil are decoupled from each other, making the coil more compact, reducing the coil space, reducing the stress requirements of the semiconductor, improving the transmission power, and solving the problem of rapid heat dissipation in the traditional inductive power transmission system , component limitations, and short-term overload issues.
Description
technical field [0001] The invention relates to the technical field of inductive power transmission for mobile equipment, in particular to an electromagnetic coupling mechanism for a high-power inductive power transmission system. Background technique [0002] Since Faraday discovered the phenomenon of electromagnetic induction in 1840, inductive power transmission technology has been paid attention to and researched by people. When powering mobile equipment (such as electric locomotives, subway locomotives, and light rail trains), this technology can overcome the traditional direct contact power supply methods such as contact sparks, unsafe exposure, high production and maintenance costs, and in the chemical industry. It is prone to disadvantages such as explosion accidents. Inductive power transfer technology has great development potential. [0003] The general inductive power transfer system consists of two parts. The first part is the primary side energy transmitting ...
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IPC IPC(8): H02J50/10H01F38/14H01F27/30
CPCH01F27/306H01F38/14H01F2038/143
Inventor 何正友李勇许乔迪麦瑞坤
Owner SOUTHWEST JIAOTONG UNIV