Three-dimensional polyhedral magnetic resonance wireless charging transmission device based on multi-antenna switching
A wireless charging and transmission device technology, applied in circuit devices, battery circuit devices, transportation and packaging, etc., can solve the problems of large differences in the size of the transmitting and receiving antennas, and improve the transmission efficiency, increase the inductance of the transmitting antenna, increase the angle and The effect of horizontal degrees of freedom
Active Publication Date: 2021-10-12
CHENGDU SPROUTING TECH CO LTD
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Problems solved by technology
However, when magnetic resonance technology is applied to the wireless charging of capsule endoscopes, there is also a large difference in the size of the transmitting and receiving antennas. Technical Problems of Efficient and Stable Wireless Charging
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Embodiment Construction
[0052] Embodiments of the present invention will be further described below in conjunction with the accompanying drawings.
[0053] like figure 1 As shown, the present invention provides a three-dimensional polyhedron magnetic resonance wireless charging transmission device based on multi-antenna switching, including sequentially connected magnetic resonance wireless power transmitting modules, several magnetic resonance transmitting antennas, several receiving antennas and magnetic resonance wireless power receiving modules ;
[0054] The magnetic resonance wireless power transmission module is used to convert the DC power into radio frequency energy, send it to the magnetic resonance transmission antenna, and control the working mode of the wireless charging transmission device;
[0055] A magnetic resonance transmit antenna is used to convert radio frequency energy into a reactive field distributed in space;
[0056] The receiving antenna is used to generate magnetic reso...
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The invention discloses a three-dimensional polyhedral magnetic resonance wireless charging transmission device based on multi-antenna switching. The three-dimensional polyhedral magnetic resonance wireless charging transmission device comprises a magnetic resonance wireless electric energy transmitting module, a plurality of magnetic resonance transmitting antennas, a plurality of receiving antennas and a magnetic resonance wireless electric energy receiving module which are connected in sequence, the magnetic resonance wireless electric energy transmitting module is used for converting a direct-current power supply into the radio frequency energy and controlling a working mode; the magnetic resonance transmitting antenna is used for converting the radio frequency energy into a reactance field distributed in space; the receiving antenna is used for converting the reactance field into the radio frequency energy; and the magnetic resonance wireless electric energy receiving module is used for converting the radio frequency energy into a direct current power and charging or supplying power to a load. According to the present invention, the transmitting antennas are multiple groups of antennas, when one antenna is used as a main transmitting antenna, other antennas are used as relay coupling antennas, the transmitting and receiving antennas all adopt a three-dimensional multi-layer winding structure, the size difference of the transmitting and receiving antennas is larger, and the antenna is suitable for charging and supplying power to a micro device which is limited in cruising ability and cannot be supplied with power in a wired manner.
Description
technical field [0001] The invention belongs to the technical field of wireless power transmission, and in particular relates to a three-dimensional polyhedron magnetic resonance wireless charging transmission device based on multi-antenna switching. Background technique [0002] With the continuous development of electronic information technology and automation control technology, various electronic devices such as small consumer electronics products, Internet of Things sensors, industrial sensors and miniature medical equipment are becoming more and more popular. However, most of these devices still rely on power supply The wired connection between the cable and the power socket is used to achieve charging. The physical connection of the charging cable limits the convenience of using this type of equipment, and the existence of the charging port has become a design bottleneck for the further miniaturization of this type of equipment. In addition, through the plug-in The me...
Claims
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IPC IPC(8): H02J50/23H02J50/27H02J50/40H02J50/50H02J50/80H02J7/02
CPCH02J50/23H02J50/27H02J50/402H02J50/502H02J50/80H02J50/005H02J7/02H02J7/00032H02J50/40H02J50/12H02J50/90H02J50/20H02J2207/20H01Q1/2291H01Q1/248
Inventor 喻易强
Owner CHENGDU SPROUTING TECH CO LTD
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