Method and device for wireless power supply and wireless power supply system
A wireless power supply and power supply technology, applied in circuit devices, electrical components, etc., can solve the problems of high cost and slow response speed, and achieve the effect of saving cost, reducing the difference, and reducing the demand for high voltage tolerance.
Pending Publication Date: 2021-06-04
QINGDAO HAIER SMART TECH R & D CO LTD +3
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Problems solved by technology
[0005] Embodiments of the present disclosure provide a method and device for wireless power supply, and a wireless power supply system to solve the technical problem of slow response speed and high cost of wireless power supply devices with components with high voltage tolerance
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[0034] In order to understand the characteristics and technical content of the embodiments of the present disclosure in more detail, the implementation of the embodiments of the present disclosure will be described in detail below in conjunction with the accompanying drawings. The attached drawings are only for reference and description, and are not intended to limit the embodiments of the present disclosure. In the following technical description, for purposes of explanation, numerous details are set forth in order to provide a thorough understanding of the disclosed embodiments. However, one or more embodiments may be practiced without these details. In other instances, well-known structures and devices may be shown simplified in order to simplify the drawings.
[0035] The wireless power supply system provided by the embodiments of the present disclosure includes: a wireless power supply transmitter and a wireless power supply receiver.
[0036] The wireless power supply t...
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The invention relates to the technical field of charging, and discloses a method for wireless power supply. The method comprises the following steps: receiving a power demand fluctuation instruction sent by a wireless power supply receiver, and supplying power at preset power supply power; when the load connection state feedback information is received, determining a power correction value according to the load demand power, and adjusting the power supply power according to the power correction value. According to the wireless power supply system, the impact of power fluctuation on the load and the wireless power supply system is reduced, the requirement of the wireless power supply system for the high-voltage endurance capability of components is reduced, the cost is saved, meanwhile, after the power supply power is preliminarily adjusted, the difference value between the power supply power and the target power supply power is reduced, the time for adjusting the power supply power after the charging connection with the load is opened or closed is shortened, and the charging efficiency is improved. The invention also discloses a device for wireless power supply and a wireless power supply system.
Description
technical field [0001] The present application relates to the technical field of charging, for example, to a method and device for wireless power supply, and a wireless power supply system. Background technique [0002] Wireless charging can realize the technology of non-wire connection for charging. There is no wire connection between the transmitting component and the load, and the power is transmitted to the load through the coupling of the transmitting coil and the receiving coil. It is more and more widely used because of its convenient charging. The high-power wireless power supply device can supply power to multiple loads at the same time. If the load is added or reduced during the working process of the wireless power supply device, the untimely response of the wireless power supply device will cause the power received by other loads to drop or increase suddenly, and the load and the wireless power supply device will A large voltage shock is caused, causing damage to...
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IPC IPC(8): H02J50/80H02J50/10
CPCH02J50/80H02J50/10
Inventor 俞国新许升袁宇波陈庆黄强杨景刚肖小龙虞朝丰董玮利吕守鹏刘宝刘超
Owner QINGDAO HAIER SMART TECH R & D CO LTD