Non-contact type power supply circuit
A power supply circuit, non-contact technology, applied in the direction of battery circuit devices, circuits, circuit devices, etc., can solve the problems of power transmission power and efficiency limitations, and cannot meet the needs of application occasions, etc.
Inactive Publication Date: 2014-11-12
TYCO ELECTRONICS (SHANGHAI) CO LTD
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Problems solved by technology
However, in practical applications, the size of the coil will be limited by the installation location and the use environment. In addition, the one-to-one coil coupling efficiency will also change with the change of the coil position, which will inevitably make the transmission power and efficiency of electric energy, etc. will also be limited and cannot meet the needs of some applications
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[0026] In the following detailed description of the preferred embodiment, reference is made to the accompanying drawings which form a part hereof. The accompanying drawings show, by way of example, specific embodiments in which the invention can be practiced. The illustrated embodiments are not intended to be exhaustive of all embodiments according to the invention. It is to be understood that other embodiments may be utilized and structural or logical changes may be made without departing from the scope of the present invention. Accordingly, the following detailed description is not limiting, and the scope of the invention is defined by the appended claims.
[0027] figure 1 It shows that the present invention proposes a non-contact power supply circuit, including a primary circuit and a secondary circuit, the primary circuit transmits energy to the secondary circuit through electromagnetic coupling, wherein the primary circuit and the secondary circuit respectively have at...
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The present invention relates to a non-contact power supply circuit including a primary circuit and a secondary circuit, the primary circuit transfers energy to the secondary circuit via electromagnetic coupling, wherein the primary circuit has at least one transmitting coil and the secondary circuit has at least one receiving coil, and the normal direction of the at least one transmitting coil and the normal direction of the at least one receiving coil are the same or have a first angle, characterized in that, the quantity of the at least one transmitting coil and the at least one receiving coil is greater than two. In this way, it is possible to dispose more than one receiving coil or more than one transmitting coil, which allows the receiving efficiency or the transmitting efficiency being improved. In addition, since it is possible to dispose more than one receiving coil or transmitting coil, the size of a single coil can be made relatively smaller, which makes fewer installation constraints due to the small size, and thus the non-contact power supply circuit is suitable for appliances with different sizes.
Description
technical field [0001] The present invention relates to the technical field of power supply, and more specifically, to a non-contact power supply circuit. Background technique [0002] Many electronic and electrical equipment are composed of fixed main body and moving parts. For example, in household appliances, there are rotating parts such as washing machine door and refrigerator door, as well as push-pull movable parts such as refrigerator drawers. There are increasingly higher requirements for usability and appearance. Many control and display functions are integrated on these moving parts. Usually, the electrical energy required by them is mainly connected from the device through a specific wiring device through a hinge with wires. The body is transferred to the active part. Such a wiring device brings challenges to the production and assembly of the equipment. At the same time, because the relative positions of these moving parts will continue to change during use, ph...
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IPC IPC(8): H02J17/00
CPCH02J7/025H02J5/005H01F27/2823H01F38/14H02J50/12H02J50/40H02J50/90
Inventor 戴丰樊明捷宋玉明王少永
Owner TYCO ELECTRONICS (SHANGHAI) CO LTD