Wireless charging balance system and wireless charging balance method
A wireless charging and balancing system technology, applied in the direction of secondary battery charging/discharging, battery circuit devices, data exchange chargers, etc., can solve problems such as troubles in use
Inactive Publication Date: 2017-06-30
SIMPLO TECH COMPANY
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Problems solved by technology
In addition, most of the existing active balancing circuits achieve the purpose of balancing through complex wiring. Active balancing circuits designed to increase battery performance often add a lot of power lines and cause other safety risks, causing troubles in use.
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[0038] figure 1 It is a schematic diagram of a wireless charging balance system according to an embodiment of the present invention. see figure 1 . figure 1 A wireless charging transmitter TX1 and five wireless charging receivers RX1 - RX5 are shown. For the convenience of description, the number of wireless charging receivers RX1-RX5 is described as five. In other embodiments, the number of wireless charging receivers is, for example, two, three or more. In this embodiment, the number of wireless charging receivers RX1 - RX5 is not limited.
[0039] Actually, the wireless charging transmitter TX1 is electrically connected to the power source P1. The wireless charging transmitter TX1 converts the electric energy of the power source P1 into wireless energy, and outputs the wireless energy to the plurality of wireless charging receivers RX1 - RX5 . Each of the wireless charging receivers RX1 - RX5 is electrically connected to one of the corresponding battery modules B1 - B...
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The invention discloses a wireless charging balance system and a wireless charging balance method. A battery management system is employed to detect the battery capacity of a plurality of battery modules, and the wireless charging balance system comprises a power source, a wireless charging transmitter and a plurality of wireless charging receivers. The wireless charging transmitter is used for converting first electric energy into wireless electric energy, and transmits the wireless electric energy to each wireless charging receiver. Each wireless charging receiver is electrically connected with one of the plurality of battery modules correspondingly, and converts the wireless electric energy into second electric energy for charging the battery modules. When the plurality of battery modules are in a charging state, and the wireless charging receivers convert electric energy to high power battery modules slowly, and convert electric energy to low power battery modules quickly.
Description
technical field [0001] The present invention relates to a wireless charging balancing system and a wireless charging balancing method, in particular to a wireless charging balancing system and a balancing method related to a large number of series / parallel battery modules. Background technique [0002] Battery balancing technology is quite extensive and important in the application field of multiple series and parallel connections. Due to the large number of battery modules, the chances of these battery modules being unbalanced become greater. Especially now that electric vehicles and energy storage systems are becoming more and more popular. Among them, most of the existing active balancing technologies require a complicated circuit wiring and include a lot of switch controls. [0003] In applications where a large number are connected in series and parallel, such as electric bus systems, energy storage cabinets, or many systems in passenger cars, these battery modules oc...
Claims
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IPC IPC(8): H02J7/00H01M10/44
CPCH01M10/441H02J7/00036H02J7/0021H02J7/0048Y02E60/10
Inventor 张雅媚
Owner SIMPLO TECH COMPANY