CN208369325U - Wireless charging device - Google Patents
Wireless charging device Download PDFInfo
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- CN208369325U CN208369325U CN201821161916.5U CN201821161916U CN208369325U CN 208369325 U CN208369325 U CN 208369325U CN 201821161916 U CN201821161916 U CN 201821161916U CN 208369325 U CN208369325 U CN 208369325U
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Abstract
The utility model 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 according to the first and second data information respectively, 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, the first coil drive module and the second coil drive module carry out information decoding process to first data information and second data information respectively.Wireless charging device provided by the utility model can carry out charge independence to the first and second running gear by single microprocessor, effectively reduce cost.
Description
Technical field
The utility model relates to electronic circuit fields, in particular to a kind of wireless charging device.
Background technique
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, makes in cost
At great waste, and excessive harness is needed, caused inconvenient to use.
Utility model content
In view of the above problems, the utility model provides a kind of wireless charging device, can be effectively reduced manufacturing cost.
To achieve the goals above, the utility model adopts the following technical solutions:
In a first aspect, the utility model provides a kind of wireless charging device, there is power input port and AC DC
Converter, the power input port are electrically connected the AC-DC converter, and the power input port is handed over for receiving
The AC power source is converted to DC power supply by galvanic electricity 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 carry out information solution to first data information
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 carry out information solution to second data information
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 include:
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 include:
First resonance circuit, first data information transmitted for receiving first running gear, 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 by information decoding process according to first decoded information,
In, information decoding process is the noise for removing the first voltage detection information and the first current detecting information；
First MOS driver, is electrically connected the microprocessor, and the first MOS driver receives the microprocessor
The first pulse bandwidth demodulated signal of transmission, the first MOS driver is according to the first pulse bandwidth demodulated signal
Generate the first driving signal；
First voltage regulator circuit is electrically connected first reduction voltage circuit and the microprocessor, first voltage 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 voltage regulator circuit, which generates the first pressure 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 driver, first voltage regulator circuit and first resonance electricity
Road, first metal-oxide-semiconductor receive first driving signal and first voltage regulator circuit that the first MOS driver transmits
First voltage regulation signal of transmission, first metal-oxide-semiconductor are produced according to first driving 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 include:
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 micro process
Device adjusts the first pulse bandwidth demodulated signal according to the first temperature signal dynamic.
As an alternative embodiment, the second coil drive module further include:
Second resonance circuit, it is described for receiving the second data information of the second running gear transmission by coil
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 the noise for removing the second voltage detection information and the second current detecting information；
2nd MOS driver, is electrically connected the microprocessor, and the 2nd MOS driver receives the microprocessor
The second pulse bandwidth demodulated signal of transmission, the 2nd MOS driver is according to the second pulse bandwidth demodulated signal
Generate the second driving signal；
Second voltage regulator circuit is electrically connected second reduction voltage circuit and the microprocessor, second voltage 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 voltage regulator circuit, which generates the second pressure 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 driver, second voltage regulator circuit and second resonance electricity
Road, second metal-oxide-semiconductor receive second driving signal and second voltage regulator circuit that the 2nd MOS driver transmits
Second voltage regulation signal of transmission, second metal-oxide-semiconductor are produced according to second driving 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 include:
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 micro process
Device adjusts the second pulse bandwidth demodulated signal according to the second temperature signal dynamics.
A kind of wireless charging device is provided according to the utility model, on the basis of existing wireless charging device, is proposed
Using single a microprocessor by first coil drive module and the second coil drive module to the first electronic device and the
Two electronic devices carry out charge independence.The first information decoding circuit of first coil drive module carries out letter to the first data information
Decoding process is ceased, the second information decoding circuit of the second coil drive module carries out information decoding process to the second data information,
The information interference between the first electronic device and second electronic device can be effectively prevented, in addition, being controlled by single a microprocessor
Charge independence is carried out to the first electronic device and second electronic device, the manufacturing cost of wireless charging device can be reduced.
To enable the above objects, features, and advantages of the utility model to be clearer and more comprehensible, preferred embodiment is cited below particularly, and
Cooperate appended attached drawing, is described in detail below.
Detailed description of the invention
It, below will be to use required in embodiment in order to illustrate more clearly of the technical solution of the utility model embodiment
Attached drawing be briefly described, it should be understood that the following drawings illustrates only some embodiments of the utility model, therefore should not be by
Regard the restriction to the scope of the utility model as.
Fig. 1 is that the utility model embodiment 1 provides the block schematic diagram of wireless charging device.
Fig. 2 is that the utility model embodiment 2 provides the block schematic diagram of wireless charging device.
Main element symbol description:
100,200- wireless charging device；110,210- power input port；120,220- AC-DC converter；130,
230- microprocessor；140,240- first coil drive module；150, the second coil drive of 250- module；2401- first is inputted
Voltage detecting circuit；The first reduction voltage circuit of 2402-；The first output voltage detecting circuit of 2403-；The first resonance circuit of 2404-；
2405- first voltage detection circuit；The first current detection circuit of 2406-；2407- first information decoding circuit；2408- first
MOS driver；The first voltage regulator circuit of 2409-；The first metal-oxide-semiconductor of 2410-；The first temperature sensing circuit of 2411-；2501- second is defeated
Enter voltage detecting circuit；The second reduction voltage circuit of 2502-；The second output voltage detecting circuit of 2503-；The second resonance circuit of 2504-；
2505- second voltage detection circuit；The second current detection circuit of 2506-；2507- the second information decoding circuit；2508- second
MOS driver；The second voltage regulator circuit of 2509-；The second metal-oxide-semiconductor of 2510-；2511- second temperature detection circuit；260- shines mould
Block.
Specific embodiment
The embodiments of the present invention are described below in detail, in which the same or similar labels are throughly indicated identical or
Similar element or element with the same or similar functions.
In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting 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 two with
On, unless otherwise specifically defined.
It should be appreciated that specific embodiment described herein is only used to explain the utility model, it is not used to limit this
Utility model.
Below in conjunction with attached drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out clear
Chu is fully described by, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole realities
Apply example.The component of the utility model embodiment being usually described and illustrated herein in the accompanying drawings can be come with a variety of different configurations
Arrangement and design.Therefore, the detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit below
The range of claimed invention, but it is merely representative of the selected embodiment of the utility model.Based on the utility model
Embodiment, those skilled in the art's every other embodiment obtained without making creative work, all
Belong to the range of the utility model protection.
Embodiment 1
Referring to Fig. 1, Fig. 1 is that the utility model embodiment 1 provides the block schematic diagram of wireless charging device.Wireless charging
Device 100 includes power input port 110, AC-DC converter 120, microprocessor 130, first coil drive module 140
And the second 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 set in same integrated circuit.
AC-DC converter 120 is electrically connected power input port 110 and microprocessor 130.Microprocessor 130 is electrically
Connect first coil drive module 140 and the second coil drive module 150.For example, power input port 110 can be the end USB
Mouth, micro USB port or the port C-type.Power input port 110 is for receiving AC power source.AC-DC converter
AC power source 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 phone, and the first data information can represent the charge power of smart phone, remaining electricity
It measures or presets and completely fill the time.First coil drive module 140 carries out information decoding process to the first data information.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 to the first running gear according to the first pulse bandwidth demodulated signal, 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 carries out information decoding process to the second data information.Microprocessor 130 generates the second arteries and veins according to the second data information
Rush bandwidth demodulated signal.Second coil drive module 150 carries out the second running gear according to the second pulse bandwidth demodulated signal
Charging.First coil drive module 140, which believes the first data, carries out information decoding process, and the second coil drive module 150 is to the
Two data letter carries out information decoding process.
After microprocessor 130 is according to the first data information after passing through information decoding process and by information decoding process
Second data information is anti-tampering to carry 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, by after 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
The manufacturing cost of wireless charging device 100 can be effectively reduced in charge independence, can also reduce by 100 circuit of wireless charging device
Space.
Embodiment 2
Referring to Fig. 2, Fig. 2 is that the utility model embodiment 2 provides the block schematic diagram of wireless charging device.
.Wireless charging device 200 includes power input port 210, AC-DC converter 220, microprocessor 230, the
One coil drive module 240, the second coil drive module 250 and light emitting module 260.Wherein, power input port 210 and exchange
Direct current transducer 220 please refers to the explanation of embodiment 1, and 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 driver 2408, the first voltage 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
For detecting the input voltage of 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 voltage 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 for 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 for adjusting light emitting module 260, for example, the first running gear, in fast charge mode, light emitting module 260 issues 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 issues 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 phone, microprocessor 230
It can judge whether smart phone supports fast charge function according to the model of smart 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 detection
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.The first voltage detection that the first voltage detection circuit 2405 that first information decoding circuit 2407 receives transmits
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 driver 2408 is electrically connected microprocessor 230.First MOS driver 2408 receives microprocessor 230
First pulse bandwidth demodulated signal of transmission.First MOS driver 2408 generates first according to the first pulse bandwidth demodulated signal
Driving signal, for example, the first MOS driver 2408 can be higher according to the generation of the first pulse bandwidth demodulated signal (high duty ratio)
Driving signal, the first MOS driver 2408 can according to the first pulse bandwidth demodulated signal (low duty ratio) generate it is lower
Driving signal.First voltage regulator circuit 2409 is electrically connected the first reduction voltage circuit 2402 and microprocessor 230.First voltage 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 voltage 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 driver 2408, the first voltage 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 driving signal and the transmission of the first voltage regulator circuit 2409 that driver 2408 transmits.First metal-oxide-semiconductor
2410 generate the first amplified signal according to the first driving 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 send by coil low
The wireless charging signal of power can make the first resonance circuit 2404 reach cooling 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 by information decoding process according to the second decoded information
Adjust signal.
2nd MOS driver 2508 is electrically connected the microprocessor 230.2nd MOS driver 2508 receives micro process
The second pulse bandwidth demodulated signal that device 230 transmits.2nd MOS driver 2508 is generated according to the second pulse bandwidth demodulated signal
Second driving signal.Second voltage regulator circuit 2509 is electrically connected the second reduction voltage circuit 2502, the second output voltage detecting circuit
2503 and microprocessor 230.Second voltage 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 voltage 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 driver 2508, the second voltage regulator circuit 2509 and the second resonance circuit
2504, second metal-oxide-semiconductor 2510 receives the second driving signal and the second voltage regulator circuit 2509 of the 2nd MOS driver 2508 transmission
Second voltage regulation signal.Second metal-oxide-semiconductor generates the second amplified signal according to the second driving 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.
A kind of wireless charging device that the utility model is proposed passes through first coil drive module by single microprocessor
And second coil drive module charge independence is carried out to the first electronic device and second electronic device, wireless charging Denso can be reduced
The manufacturing cost set.In addition, the first pulse bandwidth demodulated signal may be implemented first independently of the second pulse bandwidth demodulated signal
Charge independence between electronic device and second electronic device, the information effectivelying prevent between the first electronic device and second electronic device
Interference.Microprocessor can increase the function of wireless charging device according to temperature signal dynamic adjustment pulse bandwidth demodulated signal
Property.
To keep the objectives, technical solutions, and advantages of the embodiments of the present invention clearer, above in conjunction with the utility model
Attached drawing in embodiment clearly and completely describes the technical scheme in the embodiment of the utility model, it is clear that retouched
The embodiment stated is the utility model a part of the embodiment, instead of all the embodiments.Usually here in attached drawing description and
The component of the utility model embodiment shown can be arranged and be designed with a variety of different configurations.
Therefore, the above detailed description to the embodiments of the present invention provided in the accompanying drawings is not intended to limit requirement
The scope of the utility model of protection, but it is merely representative of the selected embodiment of the utility model.Based in the utility model
Embodiment, every other embodiment obtained by those of ordinary skill in the art without making creative efforts, all
Belong to the range of the utility model protection.
Claims (9)
1. a kind of wireless charging device, has power input port and AC-DC converter, the power input port is electrical
The AC-DC converter is connected, the power input port will for receiving AC power source, the AC-DC converter
The AC power source 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 carry out at information decoding first data information
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 carry out at information decoding second data information
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 by the first data information after information decoding process and by after 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
First pulse bandwidth demodulated signal caused by information is independently of by produced by the second data information after information decoding process
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 include:
First resonance circuit, for receiving first data information of 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 the noise for removing the first voltage detection information and the first current detecting information；
First MOS driver, is electrically connected the microprocessor, and the first MOS driver receives the microprocessor transmission
The first pulse bandwidth demodulated signal, the first MOS driver generates according to the first pulse bandwidth demodulated signal
First driving signal；
First voltage regulator circuit, is electrically connected first reduction voltage circuit and the microprocessor, and first voltage 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 voltage 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 driver, first voltage regulator circuit and first resonance circuit, institute
State first driving signal and first voltage regulator circuit transmission that the first metal-oxide-semiconductor receives the first MOS driver transmission
First voltage regulation signal, first metal-oxide-semiconductor generates the according to first driving 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 include:
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 the 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 include:
Second resonance circuit, for receiving the second data information of 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 by information decoding process according to the second information decoded information,
Wherein, information decoding process is the noise for removing the second voltage detection information and the second current detecting information；
2nd MOS driver, is electrically connected the microprocessor, and the 2nd MOS driver receives the microprocessor transmission
The second pulse bandwidth demodulated signal, the 2nd MOS driver generates according to the second pulse bandwidth demodulated signal
Second driving signal；
Second voltage regulator circuit, is electrically connected second reduction voltage circuit and the microprocessor, and second voltage 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 voltage 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 driver, second voltage regulator circuit and second resonance circuit, institute
State second driving signal and second voltage regulator circuit transmission that the second metal-oxide-semiconductor receives the 2nd MOS driver transmission
Second voltage regulation signal, second metal-oxide-semiconductor generates the according to second driving 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 include:
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.
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| CN201821161916.5U CN208369325U (en) | 2018-07-20 | 2018-07-20 | Wireless charging device |
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| CN201821161916.5U CN208369325U (en) | 2018-07-20 | 2018-07-20 | Wireless charging device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108649715A (en) * | 2018-07-20 | 2018-10-12 | 深圳市方昕科技有限公司 | Wireless charging device and method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108649715A (en) * | 2018-07-20 | 2018-10-12 | 深圳市方昕科技有限公司 | Wireless charging device and method |
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