CN108649715A - Wireless charging device and method - Google Patents
Wireless charging device and method Download PDFInfo
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- CN108649715A CN108649715A CN201810806020.6A CN201810806020A CN108649715A CN 108649715 A CN108649715 A CN 108649715A CN 201810806020 A CN201810806020 A CN 201810806020A CN 108649715 A CN108649715 A CN 108649715A
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- 230000005540 biological transmission Effects 0.000 claims abstract description 55
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- 238000001514 detection method Methods 0.000 claims description 89
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- 239000004065 semiconductor Substances 0.000 claims description 23
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J50/00—Circuit arrangements or systems for wireless supply or distribution of electric power
- H02J50/40—Circuit arrangements or systems for wireless supply or distribution of electric power using two or more transmitting or receiving devices
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J50/00—Circuit arrangements or systems for wireless supply or distribution of electric power
- H02J50/10—Circuit arrangements or systems for wireless supply or distribution of electric power using inductive coupling
- H02J50/12—Circuit arrangements or systems for wireless supply or distribution of electric power using inductive coupling of the resonant type
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J50/00—Circuit arrangements or systems for wireless supply or distribution of electric power
- H02J50/80—Circuit arrangements or systems for wireless supply or distribution of electric power involving the exchange of data, concerning supply or distribution of electric power, between transmitting devices and receiving devices
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Power Engineering (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The present invention provides a kind of wireless charging device, including microprocessor, first coil drive module and the second coil drive module.First and second coil drive module receives the first and second data information of the first and second running gear transmission respectively, microprocessor generates the first and second pulse bandwidth demodulated signal respectively according to the first and second data information, and the first and second coil drive module respectively charges to the first and second running gear according to the first and second pulse bandwidth demodulated signal.Wherein, first coil drive module and the second coil drive module are respectively to the first data information and the second data information into row information decoding process.Wireless charging device provided by the invention can carry out charge independence to the first and second running gear by single microprocessor, effectively reduce cost.
Description
Technical field
The present invention relates to electronic circuit fields, in particular to a kind of wireless charging device and method.
Background technology
In general, a wireless charging transmitter can only charge to a wireless charging receiver.The prior art
In, it is to utilize multiple circuit moulds in parallel when a wireless charging transmitter charges to multiple wireless charging receivers
The shortcomings that block, this mode, is that signal interferes with each other, and needs to be laid with more power inputs and adapter, be made in cost
At great waste, and excessive harness is needed, caused inconvenient to use.
Invention content
In view of the above problems, the present invention provides a kind of wireless charging devices, can effectively reduce manufacturing cost.
To achieve the goals above, the present invention adopts the following technical scheme that：
In a first aspect, the present invention provides a kind of wireless charging device, there is power input port and AC DC to convert
Device, the power input port are electrically connected the AC-DC converter, and the power input port is for receiving alternating current
The AC power is converted to DC power supply by source, the AC-DC converter, and the wireless charging device includes：
Microprocessor is electrically connected the AC-DC converter；
First coil drive module, is electrically connected the microprocessor, and the first coil drive module is for receiving the
First data information of one running gear transmission, the first coil drive module is to first data information into row information solution
Code processing, the microprocessor generate the first pulse bandwidth demodulated signal, the first coil according to first data information
Drive module charges to first running gear according to the first pulse bandwidth demodulated signal；
Second coil drive module, is electrically connected the microprocessor, and the second coil drive module is for receiving the
Second data information of two running gears transmission, the second coil drive module is to second data information into row information solution
Code processing, the microprocessor generate the second pulse bandwidth demodulated signal, second coil according to second data information
Drive module charges to second running gear according to the second pulse bandwidth demodulated signal；
Wherein, the microprocessor is according at by the first data information after information decoding process and by information decoding
The second data information after reason to carry out the first coil drive module and the second coil drive module anti-tampering.
As an alternative embodiment, passing through the first arteries and veins caused by the first data information after information decoding process
Bandwidth demodulated signal is rushed to demodulate independently of by the second pulse bandwidth caused by the second data information after information decoding process
Signal.
As an alternative embodiment, the first coil drive module includes：
First input voltage detection circuit is electrically connected the AC-DC converter；
First reduction voltage circuit is electrically connected first input voltage detection circuit, the first input voltage measurement electricity
Road is used to detect the input voltage of first reduction voltage circuit, and first reduction voltage circuit is for generating the first electric power signal；
First output voltage detecting circuit, electric connection first reduction voltage circuit and the microprocessor, described first
Output voltage detecting circuit is used to detect the output voltage of first reduction voltage circuit.
As an alternative embodiment, the second coil drive module includes：
Second input voltage detection circuit is electrically connected the AC-DC converter and the microprocessor；
Second reduction voltage circuit is electrically connected second input voltage detection circuit, the second input voltage measurement electricity
Road is used to detect the input voltage of second reduction voltage circuit, and second reduction voltage circuit is for generating the second electric power signal；
Second output voltage detecting circuit, electric connection second reduction voltage circuit and the microprocessor, described second
Output voltage detecting circuit is used to detect the output voltage of second reduction voltage circuit.
As an alternative embodiment, the wireless charging device further includes：
Light emitting module is electrically connected the microprocessor, and the microprocessor is according to the first coil drive module
First charge mode and dynamic adjusts the first light-emitting mode of the light emitting module, the microprocessor is according to second coil
Second charge mode of drive module and dynamic adjust the second light-emitting mode of the light emitting module.
As an alternative embodiment, the first coil drive module further includes：
First resonance circuit, first data information for receiving the first running gear transmission, described first
Resonance circuit is for sending the first wireless charging signal to first running gear；
First voltage detection circuit is electrically connected first resonance circuit, and the first voltage detection circuit is according to institute
It states the first data information and generates first voltage detection information；
First current detection circuit is electrically connected first resonance circuit, and first current detection circuit is according to institute
It states the first data information and generates the first current detecting information；
First information decoding circuit, be electrically connected the first voltage detection circuit, first current detection circuit and
The microprocessor, the first information decoding circuit receive the first voltage inspection of the first voltage detection circuit transmission
Measurement information and first current detection circuit transmission the first current detecting information and generate the first decoded information, it is described
Microprocessor generates the first pulse bandwidth demodulated signal according to first decoded information by information decoding process,
In, information decoding process is to remove the noise of the first voltage detection information and the first current detecting information；
First MOS drivers, are electrically connected the microprocessor, and the first MOS drivers receive the microprocessor
The first pulse bandwidth demodulated signal of transmission, the first MOS drivers are according to the first pulse bandwidth demodulated signal
Generate the first drive signal；
First regulator circuit is electrically connected first reduction voltage circuit and the microprocessor, first regulator circuit
Receive first electric power signal of the first reduction voltage circuit transmission and the first Electric control letter of microprocessor transmission
Number, first regulator circuit generates the first voltage stabilizing according to first electric power signal and first power controlling signal to be believed
Number；
First metal-oxide-semiconductor is electrically connected the first MOS drivers, first regulator circuit and first resonance electricity
Road, first metal-oxide-semiconductor receive first drive signal of the first MOS drivers transmission and first regulator circuit
First voltage regulation signal of transmission, first metal-oxide-semiconductor are produced according to first drive signal and first voltage regulation signal
Raw first amplified signal is simultaneously sent to first resonance circuit.
As an alternative embodiment, the first coil drive module further includes：
First temperature sensing circuit is electrically connected first resonance circuit and the microprocessor, first temperature
Detection circuit is used to detect the first temperature signal of first resonance circuit and is sent to the microprocessor, the microprocessor
Device adjusts the first pulse bandwidth demodulated signal according to first temperature signal dynamic.
As an alternative embodiment, the second coil drive module further includes：
Second resonance circuit, the second data information for receiving the second running gear transmission by coil are described
Second resonance circuit is used to send the second wireless charging signal to second running gear by coil；
Second voltage detection circuit is electrically connected second resonance circuit, and the second voltage detection circuit is according to institute
It states the second data information and generates second voltage detection information；
Second current detection circuit is electrically connected second resonance circuit, and second current detection circuit is according to institute
It states the second data information and generates the second current detecting information；
Second information decoding circuit, be electrically connected the second voltage detection circuit, second current detection circuit and
The microprocessor, the second information decoding circuit receive the second voltage inspection of the second voltage detection circuit transmission
Measurement information and second current detection circuit transmission the second current detecting information and generate the second information decoded information,
The microprocessor generates second pulse bandwidth by information decoding process according to the second information decoded information and demodulates
Signal, wherein information decoding process is to remove the noise of the second voltage detection information and the second current detecting information；
2nd MOS drivers, are electrically connected the microprocessor, and the 2nd MOS drivers receive the microprocessor
The second pulse bandwidth demodulated signal of transmission, the 2nd MOS drivers are according to the second pulse bandwidth demodulated signal
Generate the second drive signal；
Second regulator circuit is electrically connected second reduction voltage circuit and the microprocessor, second regulator circuit
Receive second electric power signal of the second reduction voltage circuit transmission and the second Electric control letter of microprocessor transmission
Number, second regulator circuit generates the second voltage stabilizing according to second electric power signal and second power controlling signal to be believed
Number；
Second metal-oxide-semiconductor is electrically connected the 2nd MOS drivers, second regulator circuit and second resonance electricity
Road, second metal-oxide-semiconductor receive second drive signal of the 2nd MOS drivers transmission and second regulator circuit
Second voltage regulation signal of transmission, second metal-oxide-semiconductor are produced according to second drive signal and second voltage regulation signal
Raw second amplified signal is simultaneously sent to second resonance circuit.
As an alternative embodiment, the second coil drive module further includes：
Second temperature detection circuit is electrically connected second resonance circuit and the microprocessor, the second temperature
Detection circuit is used to detect the second temperature signal of second resonance circuit and is sent to the microprocessor, the microprocessor
Device adjusts the second pulse bandwidth demodulated signal according to the second temperature signal dynamics.
Second aspect, the present invention provides a kind of wireless charging methods, are applied to a wireless charging device, the wireless charging
Electric installation has power input port, AC-DC converter, microprocessor, first coil drive module and the second coil drive
Module, the power input port are electrically connected the AC-DC converter, and the power input port is exchanged for receiving
The AC power is converted to DC power supply by power supply, the AC-DC converter, and the wireless charging method includes:
The first data information of the first running gear transmission is received by the first coil drive module；
By the first coil drive module to first data information into row information decoding process；
The first pulse bandwidth demodulated signal is generated according to first data information by the microprocessor；
It is taken action to described first according to described in the first pulse bandwidth demodulated signal by the first coil drive module
Device charges；
The second data information of the second running gear transmission is received by the second coil drive module；
By the second coil drive module to second data information into row information decoding process；
The second pulse bandwidth demodulated signal is generated according to second data information by the microprocessor；
It is taken action to described second according to described in the second pulse bandwidth demodulated signal by the second coil drive module
Device charges；
Wherein, the microprocessor is according at by the first data information after information decoding process and by information decoding
The second data information after reason to carry out the first coil drive module and the second coil drive module anti-tampering.
It is carried according to the present invention provides a kind of wireless charging device and methods on the basis of existing wireless charging device
Gone out using single a microprocessor through first coil drive module and second the first electronic device of coil drive module pair and
Second electronic device carries out charge independence.The first data information of first information decoding circuit pair of first coil drive module carries out
Information decoding process, second the second data information of information decoding circuit pair of the second coil drive module is at row information decoding
Reason, can effectively prevent the information between the first electronic device and second electronic device to interfere, in addition, by single a microprocessor control
System carries out charge independence to the first electronic device and second electronic device, can reduce the manufacturing cost of wireless charging device.
To enable the above objects, features and advantages of the present invention to be clearer and more comprehensible, preferred embodiment cited below particularly, and coordinate
Appended attached drawing, is described in detail below.
Description of the drawings
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be to needed in the embodiment attached
Figure is briefly described, it should be understood that the following drawings illustrates only certain embodiments of the present invention, therefore is not construed as pair
The restriction of the scope of the invention.
Fig. 1 is the block schematic diagram that the embodiment of the present invention 1 provides wireless charging device.
Fig. 2 is the block schematic diagram that the embodiment of the present invention 2 provides wireless charging device.
Fig. 3 is the method flow diagram that the embodiment of the present invention 3 provides wireless charging method.
Main element symbol description：
100,200- wireless charging devices；110,210- power input ports；120,220- AC-DC converters；130、
230- microprocessors；140,240- first coils drive module；150, the second coil drives of 250- module；2401- first is inputted
Voltage detecting circuit；The first reduction voltage circuits of 2402-；The first output voltage detecting circuits of 2403-；The first resonance circuits of 2404-；
2405- first voltage detection circuits；The first current detection circuits of 2406-；2407- first information decoding circuits；2408- first
MOS drivers；The first regulator circuits of 2409-；The first metal-oxide-semiconductors of 2410-；The first temperature sensing circuits of 2411-；2501- second is defeated
Enter voltage detecting circuit；The second reduction voltage circuits of 2502-；The second output voltage detecting circuits of 2503-；The second resonance circuits of 2504-；
2505- second voltage detection circuits；The second current detection circuits of 2506-；2507- the second information decoding circuits；2508- second
MOS drivers；The second regulator circuits of 2509-；The second metal-oxide-semiconductors of 2510-；2511- second temperature detection circuits；260- shines mould
Block.
Specific implementation mode
The embodiment of the present invention is described below in detail, in which the same or similar labels are throughly indicated same or like
Element or element with the same or similar functions.
In addition, term " first ", " second " are used for description purposes only, it is not understood to indicate or imply relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include one or more feature.In the description of the present invention, the meaning of " plurality " is two or more, remove
It is non-separately to have clearly specific restriction.
It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not intended to limit the present invention.
Below in conjunction with attached drawing in the embodiment of the present invention, technical solution in the embodiment of the present invention carries out clear, complete
Ground describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Usually exist
The component of the embodiment of the present invention described and illustrated in attached drawing can be arranged and be designed with a variety of different configurations herein.Cause
This, the detailed description of the embodiment of the present invention to providing in the accompanying drawings is not intended to limit claimed invention below
Range, but it is merely representative of the selected embodiment of the present invention.Based on the embodiment of the present invention, those skilled in the art are not doing
The every other embodiment obtained under the premise of going out creative work, shall fall within the protection scope of the present invention.
Embodiment 1
Referring to Fig. 1, Fig. 1 is the block schematic diagram that the embodiment of the present invention 1 provides wireless charging device.Wireless charging device
100 include power input port 110, AC-DC converter 120, microprocessor 130, first coil drive module 140 and the
Two coil drive module 150.Wherein, power input port 110, AC-DC converter 120, microprocessor 130, first coil
Drive module 140 and the second coil drive module 150 can be arranged in same integrated circuit.
AC-DC converter 120 is electrically connected power input port 110 and microprocessor 130.Microprocessor 130 is electrical
Connect first coil drive module 140 and the second coil drive module 150.For example, power input port 110 can be the ends USB
Mouth, micro USB ports or the ports C-type.Power input port 110 is for receiving AC power.AC-DC converter
AC power is converted to DC power supply and is provided to first coil drive module 140 and the second line by microprocessor 130 by 120
Enclose drive module 150.
First coil drive module 140 is used to receive the first data information of the first running gear transmission.For example, the first row
Dynamic device can be smartwatch or smart mobile phone, and the first data information can represent the charge power of smart mobile phone, remaining electricity
It measures or presets and completely fill the time.First coil drive module 140 is to the first data information into row information decoding process.Microprocessor
130 generate the first pulse bandwidth demodulated signal (PWM signal, pulse width modulation according to the first data information
Signal), for example, microprocessor 130 can be central processing unit (CPU, center processor unit).First coil
Drive module 140 charges according to first the first running gear of pulse bandwidth demodulated signal pair, for example, first coil drives mould
Block 140 can quickly fill the first running gear according to the duty ratio (such as 90%) of the first pulse bandwidth demodulated signal
Electricity, first coil drive module 140 can be according to the duty ratios (such as 60%) of the first pulse bandwidth demodulated signal to the first row
Dynamic device is charged normal.
Second coil drive module 150 is used to receive the second data information of the second running gear transmission.Second coil drives
Dynamic model block 150 is to the second data information into row information decoding process.Microprocessor 130 generates the second arteries and veins according to the second data information
Rush bandwidth demodulated signal.Second coil drive module 150 is carried out according to second the second running gear of pulse bandwidth demodulated signal pair
Charging.First coil drive module 140 believes that the second coil drive module 150 is into row information decoding process to the first data
Two data are believed into row information decoding process.
Microprocessor 130 is according to after by the first data information after information decoding process and by information decoding process
Second data information is anti-tampering to be carried out to first coil drive module 140 and the second coil drive module 150.Wherein, it decodes
Treated the first data information is independently of the second data information after decoding process.In addition, after by information decoding process
First pulse bandwidth demodulated signal caused by first data information is independently of the second data information institute after information decoding process
The the second pulse bandwidth demodulated signal generated, in other words, the first pulse bandwidth demodulated signal is independently of the second pulse bandwidth solution
Signal is adjusted, the information between the first running gear and the second running gear is effectively prevent to interfere.In addition, by a microprocessor 130
First running gear and the second running gear are distinguished by first coil drive module 140 and the second coil drive module 150
Charge independence can effectively reduce the manufacturing cost of wireless charging device 100, can also reduce by 100 circuit of wireless charging device
Space.
Embodiment 2
Referring to Fig. 2, Fig. 2 is the block schematic diagram that the embodiment of the present invention 2 provides wireless charging device..Wireless charging Denso
It includes power input port 210, AC-DC converter 220, microprocessor 230, first coil drive module 240, the to set 200
Two coil drive module 250 and light emitting module 260.Wherein, power input port 210 and AC-DC converter 220 please refer to
The explanation of embodiment 1, details are not described herein.
First coil drive module 240 includes the first input voltage detection circuit 2401, the first reduction voltage circuit 2402, first
Output voltage detecting circuit 2403, the first resonance circuit 2404, first voltage detection circuit 2405, the first current detection circuit
2406, first information decoding circuit 2407, the first MOS drivers 2408, the first regulator circuit 2409, the first metal-oxide-semiconductor 2410 and
First temperature sensing circuit 2411.
In fig. 2, the first input voltage detection circuit 2401 is electrically connected AC-DC converter 220 and microprocessor
230.First reduction voltage circuit 2402 is electrically connected the first input voltage detection circuit 2401.First input voltage detection circuit 2401
Input voltage for detecting the first reduction voltage circuit 2402.First reduction voltage circuit 2402 for generate the first electric power signal, first
First electric power signal is sent to the first regulator circuit 2409 by reduction voltage circuit 2402.First output voltage detecting circuit 2403 is electrically
Connect the first reduction voltage circuit 2402 and microprocessor 230.First output voltage detecting circuit 2403 is for detecting the first decompression electricity
The output voltage on road 2402.In other words, the first input voltage detection circuit 2401 and the first output voltage detecting circuit 2403
It can be used for detecting pressure drop caused by the first reduction voltage circuit 2402.
Light emitting module 260 be electrically connected microprocessor 230, for example, light emitting module 260 can be light-emitting diode (LED,
light emitting diode).The dynamic according to the first charge mode of first coil drive module 240 of microprocessor 230
The first light-emitting mode of light emitting module 260 is adjusted, for example, the first running gear is in fast charge pattern, light emitting module 260 sends out green
Light.Microprocessor 230 according to the second charge mode of the second coil drive module 250 and dynamic adjusts the of light emitting module 260
Two light-emitting modes, for example, the second running gear, in normal charge mode, light emitting module 260 sends out yellow light.
First resonance circuit 2404 is used to receive the first data information of the first running gear transmission by coil, for example,
First resonance circuit 2404 can be LC resonance circuit, and the first data information can be the model of smart mobile phone, microprocessor 230
It can judge whether smart mobile phone supports fast charge function according to the model of smart mobile phone.First resonance circuit 2404 can pass through
Coil sends the first wireless charging signal to the first running gear, for example, when the first running gear can support fast charge function,
First resonance circuit 2404 can send powerful wireless charging signal by coil, when the first running gear cannot support
When fast charge function, the first resonance circuit 2404 can send the wireless charging signal of low-power by coil.First voltage detects
Circuit 2405 is electrically connected the first resonance circuit 2404, and first voltage detection circuit 2405 generates first according to the first data information
Voltage detecting information.First current detection circuit 2406 is electrically connected the first resonance circuit 2404, the first current detection circuit
2406 generate the first current detecting information according to the first data information.
First information decoding circuit 2407 is electrically connected first voltage detection circuit 2405, the first current detection circuit 2406
And microprocessor 230.First information decoding circuit 2407 receives the first voltage detection of 2405 transmission of first voltage detection circuit
Information and the first current detection circuit 2406 transmission the first current detecting information and generate the first decoded information, for example, first
Voltage detecting information and/or the first current detecting information may include noise, and first information decoding circuit 2407 can be by dividing
The noise of the noise and/or the first current detecting information of analysing first voltage detection information eliminates interference signal.Microprocessor 230
The first pulse bandwidth demodulated signal is generated by information decoding process according to the first decoded information.
First MOS drivers 2408 are electrically connected microprocessor 230.First MOS drivers 2408 receive microprocessor 230
First pulse bandwidth demodulated signal of transmission.First MOS drivers 2408 generate first according to the first pulse bandwidth demodulated signal
Drive signal, for example, the first MOS drivers 2408 can be higher according to the generation of the first pulse bandwidth demodulated signal (high duty ratio)
Drive signal, the first MOS drivers 2408 can according to the first pulse bandwidth demodulated signal (low duty ratio) generate it is lower
Drive signal.First regulator circuit 2409 is electrically connected the first reduction voltage circuit 2402 and microprocessor 230.First regulator circuit
2409 receive the first Electric control letter that the first electric power signal of the first reduction voltage circuit 2402 transmission and microprocessor 230 transmit
Number, the first regulator circuit 2409 generates the first voltage regulation signal according to the first electric power signal and the first power controlling signal.
First metal-oxide-semiconductor 2410 is electrically connected the first MOS drivers 2408, the first regulator circuit 2409 and the first resonance circuit
2404, for example, the first metal-oxide-semiconductor 2410 may include the metal-oxide-semiconductor of multiple serial or parallel connections.First metal-oxide-semiconductor 2410 receives the first MOS
First voltage regulation signal of the first drive signal and the transmission of the first regulator circuit 2409 that driver 2408 transmits.First metal-oxide-semiconductor
2410 generate the first amplified signal according to the first drive signal and the first voltage regulation signal and are sent to the first resonance circuit 2404.
First temperature sensing circuit 2411 is electrically connected the first resonance circuit 2404 and microprocessor 230, the inspection of the first temperature
Slowdown monitoring circuit 2411 is used to detect the first temperature signal of the first resonance circuit 2404 and is sent to microprocessor 230, microprocessor
230 according to the first temperature signal dynamic the first pulse bandwidth demodulated signal of adjustment.For example, when the first temperature signal is more than temperature valve
When value, microprocessor 230 reduces the duty ratio of pulse bandwidth demodulated signal, enables the first resonance circuit 2404 be sent by coil low
The wireless charging signal of power can make the first resonance circuit 2404 reach cooling-down effect to the first running gear.
Second resonance circuit 2504 is used to receive the second data information of the second running gear transmission by coil.Second is humorous
The circuit 2504 that shakes is used to send the second wireless charging signal to the second running gear by coil.Second voltage detection circuit 2505
It is electrically connected the second resonance circuit 2504, second voltage detection circuit 2505 generates second voltage according to the second data information and detects
Information.Second current detection circuit 2506 is electrically connected the second resonance circuit 2504.Second current detection circuit 2506 is according to
Two data informations generate the second current detecting information.Second information decoding circuit 2507 is electrically connected second voltage detection circuit
2505, the second current detection circuit 2506 and microprocessor 230.Second information decoding circuit 2507 receives second voltage detection electricity
Road 2505 transmit second voltage detection information and the second current detection circuit 2506 transmission the second current detecting information and produce
Raw second decoded information, microprocessor 230 generate the second pulse bandwidth solution according to the second decoded information by information decoding process
Adjust signal.
2nd MOS drivers 2508 are electrically connected the microprocessor 230.2nd MOS drivers 2508 receive microprocessor
The second pulse bandwidth demodulated signal that device 230 transmits.2nd MOS drivers 2508 are generated according to the second pulse bandwidth demodulated signal
Second drive signal.Second regulator circuit 2509 is electrically connected the second reduction voltage circuit 2502, the second output voltage detecting circuit
2503 and microprocessor 230.Second regulator circuit 2509 receives the second electric power signal and micro- of the second reduction voltage circuit 2502 transmission
The second power controlling signal that processor 230 transmits.Second regulator circuit 2509 is according to the second electric power signal and the second electric power control
Signal processed generates the second voltage regulation signal.
Second metal-oxide-semiconductor 2510 is electrically connected the 2nd MOS drivers 2508, the second regulator circuit 2509 and the second resonance circuit
2504, second metal-oxide-semiconductor 2510 receives the second drive signal and the second regulator circuit 2509 of the 2nd MOS drivers 2508 transmission
Second voltage regulation signal.Second metal-oxide-semiconductor generates the second amplified signal according to the second drive signal and the second voltage regulation signal and is sent to
Second resonance circuit 2504.Second temperature detection circuit 2511 is electrically connected the second resonance circuit 2504 and microprocessor 250, the
Two temperature sensing circuits 2511 are used to detect the second temperature signal of the second resonance circuit 2504 and are sent to microprocessor 230,
Microprocessor 230 adjusts the second pulse bandwidth demodulated signal according to second temperature signal dynamics.
Embodiment 3
Referring to Fig. 3, Fig. 3 is the method flow diagram that the embodiment of the present invention 3 provides wireless charging method.Wireless charging method
Applied to wireless charging device, wireless charging device has power input port, microprocessor, AC-DC converter, first
Coil drive module and the second coil drive module.Power input port is electrically connected AC-DC converter.Power input
Mouth is for receiving AC power.AC power is converted to DC power supply by AC-DC converter.Wireless charging method includes:
S301, the first data information that the transmission of the first running gear is received by first coil drive module；
S302, by the first data information of first coil drive module pair into row information decoding process；
S303, the first pulse bandwidth demodulated signal is generated according to the first data information by microprocessor；
S305, it is filled according to first the first running gear of pulse bandwidth demodulated signal pair by first coil drive module
Electricity；
S307, the second data information that the transmission of the second running gear is received by the second coil drive module；
S308, by second the second data information of coil drive module pair into row information decoding process；
S309, the second pulse bandwidth demodulated signal is generated according to the second data information by microprocessor；
S311, it is filled according to second the second running gear of pulse bandwidth demodulated signal pair by the second coil drive module
Electricity.
Wherein, microprocessor is according to after by the first data information after information decoding process and by information decoding process
The second data information to carry out first coil drive module and the second coil drive module it is anti-tampering.
A kind of wireless charging device proposed by the invention and method, mould is driven by single microprocessor by first coil
Block and second the first electronic device of coil drive module pair and second electronic device carry out charge independence, can reduce wireless charging
The manufacturing cost of device.In addition, the first pulse bandwidth demodulated signal may be implemented independently of the second pulse bandwidth demodulated signal
Charge independence between one electronic device and second electronic device, the letter effectivelying prevent between the first electronic device and second electronic device
Breath interference.Microprocessor can increase the work(of wireless charging device according to temperature signal dynamic adjustment pulse bandwidth demodulated signal
It can property.
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, above in conjunction in the embodiment of the present invention
Attached drawing, technical solution in the embodiment of the present invention clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.The present invention being usually described and illustrated herein in the accompanying drawings is implemented
The component of example can be arranged and be designed with a variety of different configurations.
Therefore, the detailed description of above the embodiment of the present invention to providing in the accompanying drawings is not intended to limit claimed
The scope of the present invention, but be merely representative of the present invention selected embodiment.Based on the embodiments of the present invention, this field is common
The every other embodiment that technical staff is obtained without creative efforts belongs to the model that the present invention protects
It encloses.
Claims (10)
1. a kind of wireless charging device has power input port and AC-DC converter, the power input port electrical
The AC-DC converter is connected, the power input port will for receiving AC power, the AC-DC converter
The AC power is converted to DC power supply, which is characterized in that the wireless charging device includes：
Microprocessor is electrically connected the AC-DC converter；
First coil drive module is electrically connected the microprocessor, and the first coil drive module is for receiving the first row
First data information of dynamic device transmission, the first coil drive module is to first data information at row information decoding
Reason, the microprocessor generate the first pulse bandwidth demodulated signal, the first coil driving according to first data information
Module charges to first running gear according to the first pulse bandwidth demodulated signal；
Second coil drive module is electrically connected the microprocessor, and the second coil drive module is for receiving the second row
Second data information of dynamic device transmission, the second coil drive module is to second data information at row information decoding
Reason, the microprocessor generate the second pulse bandwidth demodulated signal, second coil drive according to second data information
Module charges to second running gear according to the second pulse bandwidth demodulated signal；
Wherein, the microprocessor is according to after by the first data information after information decoding process and by information decoding process
The second data information to carry out the first coil drive module and the second coil drive module it is anti-tampering.
2. wireless charging device according to claim 1, which is characterized in that pass through the first data after information decoding process
The first pulse bandwidth demodulated signal is independently of by produced by the second data information after information decoding process caused by information
The second pulse bandwidth demodulated signal.
3. wireless charging device according to claim 1, which is characterized in that the first coil drive module includes：
First input voltage detection circuit is electrically connected the AC-DC converter；
First reduction voltage circuit, is electrically connected first input voltage detection circuit, and first input voltage detection circuit is used
In the input voltage for detecting first reduction voltage circuit, first reduction voltage circuit is for generating the first electric power signal；
First output voltage detecting circuit is electrically connected first reduction voltage circuit and the microprocessor, first output
Voltage detecting circuit is used to detect the output voltage of first reduction voltage circuit.
4. wireless charging device according to claim 3, which is characterized in that the first coil drive module further includes：
First resonance circuit, first data information for receiving the first running gear transmission, first resonance
Circuit is for sending the first wireless charging signal to first running gear；
First voltage detection circuit, is electrically connected first resonance circuit, and the first voltage detection circuit is according to described the
One data information generates first voltage detection information；
First current detection circuit, is electrically connected first resonance circuit, and first current detection circuit is according to described the
One data information generates the first current detecting information；
First information decoding circuit is electrically connected the first voltage detection circuit, first current detection circuit and described
Microprocessor, the first information decoding circuit receive the first voltage detection letter of the first voltage detection circuit transmission
Breath and first current detection circuit transmission the first current detecting information and generate the first decoded information, micro- place
It manages device and the first pulse bandwidth demodulated signal is generated by information decoding process according to first decoded information, wherein letter
Breath decoding process is to remove the noise of the first voltage detection information and the first current detecting information；
First MOS drivers, are electrically connected the microprocessor, and the first MOS drivers receive the microprocessor transmission
The first pulse bandwidth demodulated signal, the first MOS drivers generate according to the first pulse bandwidth demodulated signal
First drive signal；
First regulator circuit, is electrically connected first reduction voltage circuit and the microprocessor, and first regulator circuit receives
First electric power signal of the first reduction voltage circuit transmission and the first power controlling signal of microprocessor transmission, institute
It states the first regulator circuit and the first voltage regulation signal is generated according to first electric power signal and first power controlling signal；
First metal-oxide-semiconductor is electrically connected the first MOS drivers, first regulator circuit and first resonance circuit, institute
State first drive signal and first regulator circuit transmission that the first metal-oxide-semiconductor receives the first MOS drivers transmission
First voltage regulation signal, first metal-oxide-semiconductor generates the according to first drive signal and first voltage regulation signal
One amplified signal is simultaneously sent to first resonance circuit.
5. wireless charging device according to claim 4, which is characterized in that the first coil drive module further includes：
First temperature sensing circuit is electrically connected first resonance circuit and the microprocessor, first temperature detection
Circuit is used to detect the first temperature signal of first resonance circuit and is sent to the microprocessor, the microprocessor root
The first pulse bandwidth demodulated signal is adjusted according to first temperature signal dynamic.
6. wireless charging device according to claim 1, which is characterized in that the wireless charging device includes：
Light emitting module is electrically connected the microprocessor, and the microprocessor is according to the first of the first coil drive module
Charge mode and dynamic adjusts the first light-emitting mode of the light emitting module, the microprocessor is according to second coil drive
Second charge mode of module and dynamic adjust the second light-emitting mode of the light emitting module.
7. wireless charging device according to claim 1, which is characterized in that the second coil drive module includes：
Second input voltage detection circuit is electrically connected the AC-DC converter and the microprocessor；
Second reduction voltage circuit, is electrically connected second input voltage detection circuit, and second input voltage detection circuit is used
In the input voltage for detecting second reduction voltage circuit, second reduction voltage circuit is for generating the second electric power signal；
Second output voltage detecting circuit is electrically connected second reduction voltage circuit and the microprocessor, second output
Voltage detecting circuit is used to detect the output voltage of second reduction voltage circuit.
8. wireless charging device according to claim 7, which is characterized in that the second coil drive module further includes：
Second resonance circuit, the second data information for receiving the second running gear transmission, second resonance circuit
For sending the second wireless charging signal to second running gear；
Second voltage detection circuit, is electrically connected second resonance circuit, and the second voltage detection circuit is according to described the
Two data informations generate second voltage detection information；
Second current detection circuit, is electrically connected second resonance circuit, and second current detection circuit is according to described the
Two data informations generate the second current detecting information；
Second information decoding circuit is electrically connected the second voltage detection circuit, second current detection circuit and described
Microprocessor, the second information decoding circuit receive the second voltage detection letter of the second voltage detection circuit transmission
Breath and second current detection circuit transmission the second current detecting information and generate the second information decoded information, it is described
Microprocessor generates the second pulse bandwidth demodulated signal according to the second information decoded information by information decoding process,
Wherein, information decoding process is to remove the noise of the second voltage detection information and the second current detecting information；
2nd MOS drivers, are electrically connected the microprocessor, and the 2nd MOS drivers receive the microprocessor transmission
The second pulse bandwidth demodulated signal, the 2nd MOS drivers generate according to the second pulse bandwidth demodulated signal
Second drive signal；
Second regulator circuit, is electrically connected second reduction voltage circuit and the microprocessor, and second regulator circuit receives
Second electric power signal of the second reduction voltage circuit transmission and the second power controlling signal of microprocessor transmission, institute
It states the second regulator circuit and the second voltage regulation signal is generated according to second electric power signal and second power controlling signal；
Second metal-oxide-semiconductor is electrically connected the 2nd MOS drivers, second regulator circuit and second resonance circuit, institute
State second drive signal and second regulator circuit transmission that the second metal-oxide-semiconductor receives the 2nd MOS drivers transmission
Second voltage regulation signal, second metal-oxide-semiconductor generates the according to second drive signal and second voltage regulation signal
Two amplified signals are simultaneously sent to second resonance circuit.
9. wireless charging device according to claim 8, which is characterized in that the second coil drive module further includes：
Second temperature detection circuit is electrically connected second resonance circuit and the microprocessor, the second temperature detection
Circuit is used to detect the second temperature signal of second resonance circuit and is sent to the microprocessor, the microprocessor root
The second pulse bandwidth demodulated signal is adjusted according to the second temperature signal dynamics.
10. a kind of wireless charging method, which is characterized in that be applied to a wireless charging device, the wireless charging device has
Power input port, AC-DC converter, microprocessor, first coil drive module and the second coil drive module, it is described
Power input port is electrically connected the AC-DC converter, and the power input port is described for receiving AC power
The AC power is converted to DC power supply by AC-DC converter, and the wireless charging method includes:
The first data information of the first running gear transmission is received by the first coil drive module；
By the first coil drive module to first data information into row information decoding process；
The first pulse bandwidth demodulated signal is generated according to first data information by the microprocessor；
By the first coil drive module according to described in the first pulse bandwidth demodulated signal to first running gear
It charges；
The second data information of the second running gear transmission is received by the second coil drive module；
By the second coil drive module to second data information into row information decoding process；
The second pulse bandwidth demodulated signal is generated according to second data information by the microprocessor；
Second running gear is carried out according to the second pulse bandwidth demodulated signal by the second coil drive module
Charging；
Wherein, the microprocessor is according to after by the first data information after information decoding process and by information decoding process
The second data information to carry out the first coil drive module and the second coil drive module it is anti-tampering.
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| CN201810806020.6A CN108649715B (en) | 2018-07-20 | 2018-07-20 | Wireless charging device and method |
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