Wireless multi-charger system and controlling method thereof
First Claim
1. A wireless multi-charger system comprising a wireless multi-power transmission device for transmitting a power signal to a wireless power transmission device in a wireless manner,wherein the wireless multi-power transmission device include a wireless charger case formed as an external body, the wireless charger case having a full-bridge resonant converter and a central controller mounted thereinside to transmit a power signal to the wireless power transmission device in a wireless manner,wherein the wireless charger case has a wireless charger table formed in an upper surface thereof,wherein the wireless charger table has a plurality of charger blocks, each of which includes a primary charging core,wherein the full-bridge resonant converter is present in a plural form and coupled respectively to a plurality of the charger blocks,wherein a multi-gate driver module is provided to transmit a converted power signal to each of a plurality of the full-bridge resonant converters under the control of the central controller,wherein a reception signal processor module coupled to a plurality of the charger blocks to process a signal transmitted from the wireless power transmission device and supply the processed signal to the central controller is provided, andwherein the central controller comprises:
- a power supply block coupled to the power supply unit to supply a power source of the wireless multi-power transmission device;
a signal output block for outputting a display signal into an LCD panel and a charging LED;
a gate output signal processor block coupled to the multi-gate driver module to transmit a power signal transmitted from the primary charging core;
a received signal processor block coupled to one side of the primary charging core for processing a signal transmitted from the reception signal processor module for processing a signal transmitted from the wireless power transmission device; and
a main controller for controlling the power supply block, the signal output block, the gate output signal processor block and the received signal processor block.
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Accused Products
Abstract
Disclosed are a wireless multi-charger system capable of saving the total charging time of a large number of wireless power transmission devices since one wireless multi-power transmission device includes a plurality of the wireless power transmission devices so that a large number of the wireless power transmission devices can be charged with electricity, and preventing the damage of the wireless power transmission devices and the wireless multi-power transmission device although foreign substances are put on charger blocks that are not charged. The wireless multi-charger system (A) according to the present invention includes an external body formed as a wireless charger case 11, wherein the wireless charger case 11 has a wireless charger table 12 formed in an upper surface thereof, wherein the wireless charger table 12 has a plurality of charger blocks 14, each of which includes a primary charging core 13, wherein the full-bridge resonant converter 22 is present in a plural form and coupled respectively to a plurality of the charger blocks 14, wherein a multi-gate driver module 23 is provided to transmit a converted power signal to each of a plurality of the full-bridge resonant converters 22 under the control of the central controller 21, and wherein a reception signal processor module 24 coupled to a plurality of the charger blocks 14 to process a signal transmitted from the wireless power transmission device 30 and supply the processed signal to the central controller 21 is provided.
23 Citations
16 Claims
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1. A wireless multi-charger system comprising a wireless multi-power transmission device for transmitting a power signal to a wireless power transmission device in a wireless manner,
wherein the wireless multi-power transmission device include a wireless charger case formed as an external body, the wireless charger case having a full-bridge resonant converter and a central controller mounted thereinside to transmit a power signal to the wireless power transmission device in a wireless manner, wherein the wireless charger case has a wireless charger table formed in an upper surface thereof, wherein the wireless charger table has a plurality of charger blocks, each of which includes a primary charging core, wherein the full-bridge resonant converter is present in a plural form and coupled respectively to a plurality of the charger blocks, wherein a multi-gate driver module is provided to transmit a converted power signal to each of a plurality of the full-bridge resonant converters under the control of the central controller, wherein a reception signal processor module coupled to a plurality of the charger blocks to process a signal transmitted from the wireless power transmission device and supply the processed signal to the central controller is provided, and wherein the central controller comprises: -
a power supply block coupled to the power supply unit to supply a power source of the wireless multi-power transmission device; a signal output block for outputting a display signal into an LCD panel and a charging LED; a gate output signal processor block coupled to the multi-gate driver module to transmit a power signal transmitted from the primary charging core; a received signal processor block coupled to one side of the primary charging core for processing a signal transmitted from the reception signal processor module for processing a signal transmitted from the wireless power transmission device; and a main controller for controlling the power supply block, the signal output block, the gate output signal processor block and the received signal processor block. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. A wireless multi-charger system comprising a wireless multi-power transmission device for transmitting a power signal to a wireless power transmission device in a wireless manner,
wherein the wireless multi-power transmission device include a wireless charger case formed as an external body, the wireless charger case having a full-bridge resonant converter and a central controller mounted thereinside to transmit a power signal to the wireless power transmission device in a wireless manner, wherein the wireless charger case has a wireless charger table formed in an upper surface thereof, wherein the wireless charger table has a plurality of charger blocks, each of which includes a primary charging core, wherein the full-bridge resonant converter is present in a plural form and coupled respectively to a plurality of the charger blocks, wherein a multi-gate driver module is provided to transmit a converted power signal to each of a plurality of the full-bridge resonant converters under the control of the central controller, wherein a reception signal processor module coupled to a plurality of the charger blocks to process a signal transmitted from the wireless power transmission device and supply the processed signal to the central controller is provided, and wherein the wireless power transmission device comprises: -
a secondary charging core for transmitting an induced electric current from the magnetic field to correspond to the primary charging core of the wireless multi-power transmission device; a rectifier block coupled to the secondary charging core to rectify the induced electric current; a smoothing filter block coupled to the rectifier block to filter an electric current; a charger IC block coupled to the smoothing filter block to charge a power source in the battery cell; a protection circuit module block provided between the charger IC block and the battery cell to detect an electric current charged in the battery cell and transmit information on a charging state of the battery cell to the power receiver controller; a positive-voltage regulator block provided to supply a power source to the power receiver controller; and a power receiver controller for controlling the rectifier block, the smoothing filter block, the charger IC block, the protection circuit module block and the positive-voltage regulator block. - View Dependent Claims (9, 10, 11)
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12. A wireless multi-power transmission device for transmitting a power signal to a wireless device in a wireless manner,
wherein the wireless multi-power transmission device includes a wireless charger case formed as an external body, the wireless charger case having full-bridge resonant converters and a central controller mounted thereinside to transmit the power signal to the wireless device in a wireless manner, wherein the wireless charger case has a wireless charger table, wherein the wireless charger table has a plurality of charger blocks, each of which includes a primary charging core, wherein the full-bridge resonant converter is present in a plural form and coupled respectively to the plurality of the charger blocks, wherein a multi-gate driver module is provided to transmit a converted power signal to each of the full-bridge resonant converters under the control of the central controller, wherein a reception signal processor module coupled to the plurality of the charger blocks to process a signal transmitted from the wireless device and supply the processed signal to the central controller is provided, and wherein the central controller comprises: -
a power supply block coupled to a power supply unit to supply a power source of the wireless multi-power transmission device; a signal output block for outputting a display signal into a display panel; a gate output signal processor block coupled to the multi-gate driver module to transmit a power signal; a received signal processor block coupled to one side of the primary charging core for processing a signal transmitted from the reception signal processor module; and a main controller for controlling the power supply block, the signal output block, the gate output signal processor block and the received signal processor block. - View Dependent Claims (13)
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14. A wireless device for receiving a power signal from a wireless multi-power transmission device having a primary charging core, the wireless device comprising:
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a secondary charging core for inducing a magnetic field from the primary charging core which is magnetically coupled with the secondary charging core, for receiving a first power signal and a second power signal from the wireless multi-power transmission device, for transmitting a response signal to the wireless multi-power transmission device, the first power signal including a call signal for calling a native ID value of a wireless device, the response signal including the native ID value; a rectifier block coupled to the secondary charging core to rectify an electric current induced by the magnetic field; a smoothing filter block coupled to the rectifier block to filter the rectified electric current; a charger IC block coupled to the smoothing filter block to charge a power source in a battery cell; a protection circuit module block provided between the charger IC block and the battery cell to detect an electric current charged in the battery cell and to transmit information on a charging state of the battery cell to a power receiver controller; a positive-voltage regulator block provided to supply a power source to the power receiver controller; and the power receiver controller for controlling the rectifier block, the smoothing filter block, the charger IC block, the protection circuit module block and the positive-voltage regulator block, wherein a secondary charging core receives the second power signal when the native ID value is determined to be received at the wireless multi-power transmission device, wherein other charger blocks except for the corresponding charger block are converted into a foreign substance error mode to stop the power transmission. - View Dependent Claims (15)
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16. A wireless multi-power transmission device having a primary charging core for transmitting a power signal to a wireless device, the multi-power transmission device comprising:
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multiple charger blocks each of which includes a primary charging core for inducing a magnetic field to a secondary charging core to be magnetically coupled with the primary charging core; multiple full-bridge resonant converters each of which is coupled respectively to one of the multiple charger blocks and is provided to transfer a converted power signal to the primary charging core of the coupled charger block; multiple reception signal processor modules each of which is coupled respectively to one of the multiple charger blocks to process a signal received from the wireless device and supplies the processed signal to a main controller; the main controller for controlling multi-gate driver modules to select a corresponding full-bridge resonant converter from among the multiple full-bridge resonant converters; and the multi-gate driver modules for transferring a converted power signal to the corresponding full-bridge resonant converter, wherein the primary charging core is configured for receiving, from the wireless device, an adjustment signal which indicates adjusting a transmission power of a corresponding charger block in the multiple charger blocks.
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Specification