A transmitting coil for realizing wireless charging plane constant voltage charging
A transmitting coil and planar technology, which is applied in the direction of transformer/inductor coil/winding/connection, transformer/inductor parts, circuits, etc., can solve the problems of charging voltage and power jitter, reduce charging voltage and power jitter, The effect of stable charging power area improvement and broad application prospects
Inactive Publication Date: 2018-11-30
HUAZHONG UNIV OF SCI & TECH
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Problems solved by technology
[0006] In view of the above defects, the present invention provides a transmitting coil for realizing constant voltage charging on a wireless charging plane, aiming to solve the problem of charging voltage and power jitter of charging loads in a traditional wireless charging plane caused by changes in the position of the coil
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[0029] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.
[0030] Such as figure 1 As shown, the schematic diagram of the structure of the transmitting coil used to realize the constant voltage charging of the wireless charging plane provided by the present invention, the transmitting coil includes a metal wire and a coil substrate, and the transmitting coil is a multi-layer plane antiparallel square spiral metal wire, and its characteristic The winding directions of the two adjacent layers of coils are opposite. The transmitting coil is fixed on the plane of the coil substrate or located in the coil slot.
[0031] figure 2 It is a relationship diagram...
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Abstract
The invention discloses a transmitting coil used for realizing constant-voltage charging of a wireless charging plane. The transmitting coil comprises metal wires and a coil substrate; the transmitting coil comprises multiple layers of plane square metal wires; the transmitting coil is characterized in that the wires in the same layer are wound in the same direction, and the coils in adjacent two layers are wound in different directions; and the transmitting coil is fixed on a coil substrate plane or positioned in a coil groove. The transmitting coil comprises the multiple layers of wires with different winding directions, so that the magnetic field of the charging plane above the transmitting coil can be reasonably regulated and controlled by virtue of reasonable setting of the transmitting coil parameters so as to realize uniform magnetic field distribution; therefore, constant-voltage stable-power charging for a receiving load in the charging plane is realized; by virtue of the transmitting coil provided by the invention, power jittering when the load position is changed in the wireless charging plane can be effectively lowered, so that the transmitting coil has wide application prospects in the electric vehicle wireless charging field and wireless charging platform charging of portable electronic equipment.
Description
technical field [0001] The invention relates to the field of wireless power transmission, in particular to a transmitting coil for realizing constant-voltage charging on a wireless charging plane. Background technique [0002] Traditional power transmission is realized in a wired way (that is, using cables as the transmission medium), so transmission loss will inevitably occur during the power transmission process. At the same time, factors such as line aging and tip discharge can easily cause electric sparks, which greatly reduces This reduces the reliability and security of the power supply of the equipment and shortens the service life of the equipment. On the one hand, in some special occasions such as mines and seabeds, these shortcomings caused by traditional cable power supply methods are sometimes fatal, and in severe cases, they will cause explosions, fires, and damage to equipment, etc., bringing great safety hazards and economic loss. These problems are calling ...
Claims
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IPC IPC(8): H01F38/14H01F27/28H02J50/10
CPCH01F27/2823H01F38/14H02J50/10
Inventor 刘明海王圣明胡朝阳荣灿灿路聪慧
Owner HUAZHONG UNIV OF SCI & TECH