Transmitting coil of a wireless charging device
A wireless charging and transmitting coil technology, which is applied in the direction of circuit devices, transformer/inductor coils/windings/connections, transformer/inductor components, etc., can solve the problem that the accuracy of inductance coils cannot be satisfied, hinder the development of resonant wireless charging systems, The accuracy of the transmitting coil cannot be satisfied, etc., to achieve the effect of improving inductance strength, simple structure, and cost saving
Active Publication Date: 2020-03-31
安徽省航嘉智源科技有限公司
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Problems solved by technology
[0003] The resonant wireless charging system has great advantages in medium and long-distance transmission, but the accuracy of the current transmitting coil cannot meet the requirements of the resonant wireless charging system, which hinders the development of the resonant wireless charging system. In the prior art, the length of the coil can be adjusted , replacing the magnetic core and other methods to improve the accuracy of the transmitting coil, but the accuracy of the inductance coil still cannot meet the requirements of the resonant wireless charging system, how to improve the inductance accuracy of the transmitting coil has become a technical difficulty in this field
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[0037] Embodiments of the present invention are described below through specific examples, and those skilled in the art can easily understand other advantages and effects of the present invention from the content disclosed in this specification. The present invention can also be implemented or applied through other different specific implementation modes, and various modifications or changes can be made to the details in this specification based on different viewpoints and applications without departing from the spirit of the present invention. It should be noted that, in the case of no conflict, the following embodiments and features in the embodiments can be combined with each other.
[0038] It should be noted that the diagrams provided in the following embodiments are only schematically illustrating the basic ideas of the present invention, and only the components related to the present invention are shown in the diagrams rather than the number, shape and shape of component...
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The invention discloses a transmission coil of a wireless charging device. The transmission coil comprises a bottom magnetic core, a coil body and a compensation magnetic core; a groove is formed in the upper portion of the bottom magnetic core, the coil body is arranged in the groove, and the compensation magnetic core is arranged in the inner diameter of the coil body through an insulation tube;after the wireless charging device is powered on, the compensation magnetic core centralizes magnetic sensing lines generated by the coil body, the magnetic sensing lines are circulated in the compensation magnetic core, the magnetic sensing amount of the whole coil is increased, the inductance precision is improved, and the demand of a syntonic-type wireless charging system is met. The inventionfurther discloses the wireless charging device with the transmission coil. The device comprises a shell, the transmission coil, a receiving coil and a charging receiver, the inductances of the transmission coil and the receiving coil are identical, so that the strong electromagnetic coupling effect is formed by the transmission coil and the receiving coil during work, energy is outwards output through a syntonic mode, and energy can be output in medium and far distance.
Description
technical field [0001] The invention relates to the technical field of charging, in particular to a transmitting coil of a wireless charging device. Background technique [0002] The coil is tightly wound on the insulating tube by the wire one by one. The insulating tube can be solid or hollow. The wire is usually enameled wire. The transmitting coil is a device that uses the principle of electromagnetic induction to work. At the same time, the transmitting coil is also It is an important part of the wireless charging device. [0003] The resonant wireless charging system has great advantages in medium and long-distance transmission, but the accuracy of the current transmitting coil cannot meet the requirements of the resonant wireless charging system, which hinders the development of the resonant wireless charging system. In the prior art, the length of the coil can be adjusted , Replace the magnetic core and other methods to improve the accuracy of the transmitting coil, ...
Claims
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IPC IPC(8): H01F27/24H01F27/30H01F38/14H02J50/12
CPCH01F27/24H01F27/306H01F38/14H02J50/12
Inventor 陈君段飞云王义进任伟熊斌
Owner 安徽省航嘉智源科技有限公司