CN110391698A - Multi-purpose wireless charger - Google Patents
Multi-purpose wireless charger Download PDFInfo
- Publication number
- CN110391698A CN110391698A CN201910342879.0A CN201910342879A CN110391698A CN 110391698 A CN110391698 A CN 110391698A CN 201910342879 A CN201910342879 A CN 201910342879A CN 110391698 A CN110391698 A CN 110391698A
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- inductance
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- phase
- alternating current
- frequency alternating
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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
- H02J50/10—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
-
- 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
Abstract
The present invention provides a kind of multi-purpose wireless chargers, including power amplifier module, Electro-magnetic Launcher System；The power amplifier module includes power amplifier integrated circuit；The power amplifier integrated circuit includes multiple high-frequency alternating current generative circuits, and multiple high-frequency alternating current generative circuits are for generating the different high-frequency alternating current of multiple phases；The power amplifier integrated circuit is connect with multiple Electro-magnetic Launcher Systems, and the high-frequency alternating current of a phase is loaded to each Electro-magnetic Launcher System；The Electro-magnetic Launcher System, for being issued the electric energy of the high-frequency alternating current by electromagnetic coupling resonance.The present invention can power simultaneously for multiple and different load wireless, save the time, improve efficiency, save the cost.
Description
Technical field
The present invention relates to chargers, and in particular, to a kind of multi-purpose wireless charger.
Background technique
With increasing for the mobile electronic devices usage amount such as mobile phone, charging problems using electronic equipment at having to face
Problem, especially while for multiple equipment charging when, the problem of charging interface lazy weight can often occur.
Charging unit currently on the market is based on wired charging, in recent years, due to the development of wireless charging technology, market
On gradually appear some wireless charging devices.But wireless charging device currently on the market is only applicable to specifically load, and makes
It is relatively narrow with range.
In recent years, technically more and more mature with the continuous development that magnet coupled resonant type wireless electric energy transmits, and city
It is also more more and more urgent to the use of this technology on field.
Summary of the invention
For the defects in the prior art, the object of the present invention is to provide a kind of multi-purpose wireless charger, it can satisfy people
Carry out the demand of wireless charging for multiple loads simultaneously, and this invent used in output voltage of circuit structure can be basic
Maintain stablize, will not because of load difference and Electro-magnetic Launcher System output voltage.
A kind of multi-purpose wireless charger provided according to the present invention, including power amplifier module, Electro-magnetic Launcher System；
The power amplifier module includes power amplifier integrated circuit；The power amplifier integrated circuit includes more
A high-frequency alternating current generative circuit, multiple high-frequency alternating current generative circuits are for generating the different high-frequency alternating current of multiple phases；
The power amplifier integrated circuit is connect with multiple Electro-magnetic Launcher Systems, and to each Electromagnetic Launching
The high-frequency alternating current of one phase of system loads；
The Electro-magnetic Launcher System, for being issued the electric energy of the high-frequency alternating current by electromagnetic coupling resonance.
Preferably, the power amplifier integrated circuit is three-phase E power-like amplifier integrated circuit；The three-phase E class
Power amplifier integrated circuit can generate the 1MHz high-frequency alternating current that three phases respectively differ 120 °.
Preferably, the Electro-magnetic Launcher System includes A phase Electro-magnetic Launcher System, B phase Electro-magnetic Launcher System and C phase electromagnetism
Emission system；
The A phase Electro-magnetic Launcher System includes concatenated transmitting coil LT1With resonant capacitance CT1；The B phase Electromagnetic Launching
System includes concatenated transmitting coil LT2With resonant capacitance CT2；The C phase Electro-magnetic Launcher System includes concatenated transmitting coil LT3
With resonant capacitance CT3；
Phase Electro-magnetic Launcher System described in the A phase Electro-magnetic Launcher System, the B phase Electro-magnetic Launcher System and C connects respectively
Connect the both ends of each high-frequency alternating current generative circuit.
Preferably, the power amplifier integrated circuit includes DC power supply V, A phase high-frequency alternating current generative circuit, B phase
High-frequency alternating current generative circuit and C phase high-frequency alternating current generative circuit；
The A phase high-frequency alternating current generative circuit, the B phase high-frequency alternating current generative circuit and the C phase high frequency are handed over
Galvanic electricity generative circuit is connected in parallel on the output loop of the DC power supply V.
Preferably, the A phase high-frequency alternating current generative circuit includes inductance LF1, capacitor C1, switching device S1, inductance L01、
Capacitor C01And inductance LP1；
The inductance LF1One end be connected with the anode of DC power supply V, the other end and the switching device S1One end, electricity
Hold C1One end, inductance L01One end be connected；The cathode of the DC power supply V and the capacitor C1The other end, the switch
Device S1The other end, the inductance LP1One end be connected；Inductance L01The other end connect the capacitor C01One end, it is described
Capacitor C01The other end connect the inductance LP1The other end；
The transmitting coil LT1One end and the inductance LP1The other end be connected, the other end and resonant capacitance CT1One
End is connected, the resonant capacitance CT1The other end connect the inductance LP1One end.
Preferably, the B phase high-frequency alternating current generative circuit includes inductance LF2, capacitor C2, switching device S2, inductance L02、
Capacitor C02And inductance LP2；
The inductance LF2One end be connected with the anode of DC power supply V, the other end and the switching device S2One end, electricity
Hold C2One end, inductance L02One end be connected；The cathode of the DC power supply V and the capacitor C2The other end, the switch
Device S2The other end, the inductance LP2One end be connected；Inductance L02The other end connect the capacitor C02One end, it is described
Capacitor C02The other end connect the inductance LP2The other end；
The transmitting coil LT2One end and the inductance LP2The other end be connected, the other end and resonant capacitance CT2One
End is connected, the resonant capacitance CT2The other end connect the inductance LP2One end.
Preferably, the C phase high-frequency alternating current generative circuit includes inductance LF3, capacitor C3, switching device S3, inductance L03、
Capacitor C03And inductance LP3；
The C phase high-frequency alternating current generative circuit includes inductance LF3, capacitor C3, switching device S3, inductance L03, capacitor C03、
And inductance LP3；
The inductance LF3One end be connected with the anode of DC power supply V, the other end and the switching device S3One end, electricity
Hold C3One end, inductance L03One end be connected；The cathode of the DC power supply V and the capacitor C3The other end, the switch
Device S3The other end, the inductance LP3One end be connected；Inductance L03The other end connect the capacitor C03One end, it is described
Capacitor C03The other end connect the inductance LP3The other end；
The transmitting coil LT3One end and the inductance LP3The other end be connected, the other end and resonant capacitance CT3One
End is connected, the resonant capacitance CT3The other end connect the inductance LP3One end.
Preferably, the switching device S in the power amplifier integrated circuit1, switching device S2, switching device S3Using
MOSFET pipe.
Preferably, the transmitting coil LT1With the transmitting coil LT2Coil diameter be 5cm；The transmitting coil LT3
Coil diameter be 15cm.
Preferably, the invention also includes master switch and charging port；
The master switch is connected in the output loop of the DC power supply V, and the charging port is connected to the direct current
The both ends of power supply V, the charging for the DC power supply V.
Compared with prior art, the present invention have it is following the utility model has the advantages that
1, the power amplifier integrated circuit in the present invention includes multiple high-frequency alternating current generative circuits, multiple high-frequency acs
Circuit is electrically generated for generating the different high-frequency alternating current of multiple phases, can be powered simultaneously for multiple and different load wireless, section
It makes an appointment, improves efficiency, save the cost；
2, power amplifier integrated circuit design of the present invention rationally, enables to output voltage that can remain substantially stable, no
The output voltage of Electro-magnetic Launcher System can be influenced because of the difference of load；
3, the configuration of the present invention is simple, it is rationally distributed, it is easy to spread.
Detailed description of the invention
Upon reading the detailed description of non-limiting embodiments with reference to the following drawings, other feature of the invention,
Objects and advantages will become more apparent upon:
Fig. 1 is the structural schematic diagram that wireless charger is mostly used in the present invention；
Fig. 2 is the circuit diagram of three-phase E power-like amplifier integrated circuit in the present invention.
Wherein:
1 is power amplifier module；
2 be three-phase E power-like amplifier integrated circuit；
3 be Electro-magnetic Launcher System；
4 be master switch；
5 be charging port.
Specific embodiment
The present invention is described in detail combined with specific embodiments below.Following embodiment will be helpful to the technology of this field
Personnel further understand the present invention, but the invention is not limited in any way.It should be pointed out that the ordinary skill of this field
For personnel, without departing from the inventive concept of the premise, various modifications and improvements can be made.These belong to the present invention
Protection scope.
In the present embodiment, the present invention provides a kind of multi-purpose wireless charger, including power amplifier module 1, electromagnetism hair
Penetrate system 3；
The power amplifier module 1 includes power amplifier integrated circuit；The power amplifier integrated circuit includes
Multiple high-frequency alternating current generative circuits, multiple high-frequency alternating current generative circuits are for generating the different high-frequency ac of multiple phases
Electricity；
The power amplifier integrated circuit is connect with multiple Electro-magnetic Launcher Systems 3, and is sent out each electromagnetism
Penetrate the high-frequency alternating current that system 3 loads a phase；
The Electro-magnetic Launcher System 3, for being issued the electric energy of the high-frequency alternating current by electromagnetic coupling resonance.
In the present embodiment, the power amplifier integrated circuit in the present invention includes multiple high-frequency alternating current generative circuits,
Multiple high-frequency alternating current generative circuits can be multiple and different loads for generating the different high-frequency alternating current of multiple phases simultaneously
Wireless power is saved the time, is improved efficiency, save the cost.
In the present embodiment, the transmission range that the present invention can be realized electric energy is 0-30cm, i.e. the 0- such as realization mobile phone, computer
Wireless charging in 30cm.
In the present embodiment, the power amplifier integrated circuit is three-phase E power-like amplifier integrated circuit 2；It is described
Three-phase E power-like amplifier integrated circuit 2 can generate the 1MHz high-frequency alternating current that three phases respectively differ 120 °.
In the present embodiment, the three-phase E power-like amplifier integrated circuit passes through three 120 ° of phase phase difference of triggering
Three switching devices of pulse control, make circuit output three-phase high-frequency alternating current.
The Electro-magnetic Launcher System 3 includes A phase Electro-magnetic Launcher System, B phase Electro-magnetic Launcher System and C phase Electromagnetic Launching system
System；
The A phase Electro-magnetic Launcher System includes concatenated transmitting coil LT1With resonant capacitance CT1；The B phase Electromagnetic Launching
System includes concatenated transmitting coil LT2With resonant capacitance CT2；The C phase Electro-magnetic Launcher System includes concatenated transmitting coil LT3
With resonant capacitance CT3；
Phase Electro-magnetic Launcher System described in the A phase Electro-magnetic Launcher System, the B phase Electro-magnetic Launcher System and C connects respectively
Connect the both ends of each high-frequency alternating current generative circuit.
In the present embodiment, the transmitting coil LT1With the transmitting coil LT2Coil diameter be 5cm；The transmitting
Coil LT3Coil diameter be 15cm.
Wherein, transmitting coil LT1With the transmitting coil LT2It is mainly used for that lesser electronic equipment fills in equal volume for mobile phone
Electricity, transmitting coil LT3It is mainly used for as computer relatively large electronic equipment charging in equal volume.
The power amplifier integrated circuit includes DC power supply V, A phase high-frequency alternating current generative circuit, B phase high-frequency ac
It is electrically generated circuit and C phase high-frequency alternating current generative circuit；
The A phase high-frequency alternating current generative circuit, the B phase high-frequency alternating current generative circuit and the C phase high frequency are handed over
Galvanic electricity generative circuit is connected in parallel on the output loop of the DC power supply V.
The A phase high-frequency alternating current generative circuit includes inductance LF1, capacitor C1, switching device S1, inductance L01, capacitor C01
And inductance LP1；The inductance LF1One end be connected with the anode of DC power supply V, the other end and the switching device S1One
End, capacitor C1One end, inductance L01One end be connected；The cathode of the DC power supply V and the capacitor C1The other end, described
Switching device S1The other end, the inductance LP1One end be connected；Inductance L01The other end connect the capacitor C01One end,
The capacitor C01The other end connect the inductance LP1The other end；The transmitting coil LT1One end and the inductance LP1's
The other end is connected, the other end and resonant capacitance CT1One end be connected, the resonant capacitance CT1The other end connect the inductance LP1
One end.
The B phase high-frequency alternating current generative circuit includes inductance LF2, capacitor C2, switching device S2, inductance L02, capacitor C02
And inductance LP2；The inductance LF2One end be connected with the anode of DC power supply V, the other end and the switching device S2One
End, capacitor C2One end, inductance L02One end be connected；The cathode of the DC power supply V and the capacitor C2The other end, described
Switching device S2The other end, the inductance LP2One end be connected；Inductance L02The other end connect the capacitor C02One end,
The capacitor C02The other end connect the inductance LP2The other end；The transmitting coil LT2One end and the inductance LP2's
The other end is connected, the other end and resonant capacitance CT2One end be connected, the resonant capacitance CT2The other end connect the inductance LP2
One end.
The C phase high-frequency alternating current generative circuit includes inductance LF3, capacitor C3, switching device S3, inductance L03, capacitor C03
And inductance LP3；The C phase high-frequency alternating current generative circuit includes inductance LF3, capacitor C3, switching device S3, inductance L03, capacitor
C03And inductance LP3；The inductance LF3One end be connected with the anode of DC power supply V, the other end and the switching device S3's
One end, capacitor C3One end, inductance L03One end be connected；The cathode of the DC power supply V and the capacitor C3The other end, institute
State switching device S3The other end, the inductance LP3One end be connected；Inductance L03The other end connect the capacitor C03One
End, the capacitor C03The other end connect the inductance LP3The other end；The transmitting coil LT3One end and the inductance LP3
The other end be connected, the other end and resonant capacitance CT3One end be connected, the resonant capacitance CT3The other end connect the inductance
LP3One end.
In the present embodiment, the switching device S in the power amplifier integrated circuit 21, switching device S2, switching device
S3It is managed using MOSFET, the frequency of the MOSFET pipe is 1MHz.
Multi-purpose wireless charger provided by the invention further includes master switch 4 and charging port 5；
The master switch 4 is connected in the output loop of the DC power supply V, and the charging port 5 is connected to described straight
The both ends of galvanic electricity source V, the charging for the DC power supply V.
DC power supply V can use lithium battery, and effect is storage electric energy, when the electric energy of DC power supply V is depleted
It can be charged later by charging port 5 for it.
When charging using multi-purpose wireless charger provided by the invention, master switch 4 need to be first opened, the present invention is made to enter work
Make state.
In the present embodiment, present invention employs magnet coupled resonant type wireless electric energy transmission technology, it can be achieved that simultaneously to most
More three different electrical equipments carry out wireless charging.Three-phase E power-like amplifier integrated circuit can be defeated by direct current in the present invention
Enter to be converted into the alternating current of 120 ° of three phase phase differences, it may be assumed that A phase, B phase and C phase.Three-phase E power-like amplifier integrated circuit
Three outputs are respectively that three pairs of Electro-magnetic Launcher Systems provide exchange input, the electromagnetism in each pair of Electro-magnetic Launcher System and load end
Wireless charging can be realized when reaching coupled resonance in emission system.
Specific embodiments of the present invention are described above.It is to be appreciated that the invention is not limited to above-mentioned
Particular implementation, those skilled in the art can make various deformations or amendments within the scope of the claims, this not shadow
Ring substantive content of the invention.
Claims (10)
1. a kind of multi-purpose wireless charger, which is characterized in that including power amplifier module (1), Electro-magnetic Launcher System (3)；
The power amplifier module (1) includes power amplifier integrated circuit；The power amplifier integrated circuit includes more
A high-frequency alternating current generative circuit, multiple high-frequency alternating current generative circuits are for generating the different high-frequency alternating current of multiple phases；
The power amplifier integrated circuit is connect with multiple Electro-magnetic Launcher Systems (3), and to each Electromagnetic Launching
System (3) loads the high-frequency alternating current of a phase；
The Electro-magnetic Launcher System (3), for being issued the electric energy of the high-frequency alternating current by electromagnetic coupling resonance.
2. multi-purpose wireless charger according to claim 1, which is characterized in that the power amplifier integrated circuit is three
Phase E power-like amplifier integrated circuit (2)；It is each that the three-phase E power-like amplifier integrated circuit (2) can generate three phases
The 1MHz high-frequency alternating current of 120 ° of difference.
3. multi-purpose wireless charger according to claim 1, which is characterized in that the Electro-magnetic Launcher System (3) includes A phase
Electro-magnetic Launcher System, B phase Electro-magnetic Launcher System and C phase Electro-magnetic Launcher System；
The A phase Electro-magnetic Launcher System includes concatenated transmitting coil LT1With resonant capacitance CT1；The B phase Electro-magnetic Launcher System packet
Include concatenated transmitting coil LT2With resonant capacitance CT2；The C phase Electro-magnetic Launcher System includes concatenated transmitting coil LT3And resonance
Capacitor CT3；
Phase Electro-magnetic Launcher System described in the A phase Electro-magnetic Launcher System, the B phase Electro-magnetic Launcher System and C is separately connected often
The both ends of one high-frequency alternating current generative circuit.
4. multi-purpose wireless charger according to claim 3, which is characterized in that the power amplifier integrated circuit includes
DC power supply V, A phase high-frequency alternating current generative circuit, B phase high-frequency alternating current generative circuit and C phase high-frequency ac are electrically generated electricity
Road；
The A phase high-frequency alternating current generative circuit, the B phase high-frequency alternating current generative circuit and the C phase high-frequency alternating current
Generative circuit is connected in parallel on the output loop of the DC power supply V.
5. multi-purpose wireless charger according to claim 4, which is characterized in that the A phase high-frequency alternating current generative circuit
Including inductance LF1, capacitor C1, switching device S1, inductance L01, capacitor C01And inductance LP1；
The inductance LF1One end be connected with the anode of DC power supply V, the other end and the switching device S1One end, capacitor C1
One end, inductance L01One end be connected；The cathode of the DC power supply V and the capacitor C1The other end, the switching device
S1The other end, the inductance LP1One end be connected；Inductance L01The other end connect the capacitor C01One end, the capacitor
C01The other end connect the inductance LP1The other end；
The transmitting coil LT1One end and the inductance LP1The other end be connected, the other end and resonant capacitance CT1One end phase
Even, the resonant capacitance CT1The other end connect the inductance LP1One end.
6. multi-purpose wireless charger according to claim 4, which is characterized in that the B phase high-frequency alternating current generative circuit
Including inductance LF2, capacitor C2, switching device S2, inductance L02, capacitor C02And inductance LP2；
The inductance LF2One end be connected with the anode of DC power supply V, the other end and the switching device S2One end, capacitor C2
One end, inductance L02One end be connected；The cathode of the DC power supply V and the capacitor C2The other end, the switching device
S2The other end, the inductance LP2One end be connected；Inductance L02The other end connect the capacitor C02One end, the capacitor
C02The other end connect the inductance LP2The other end；
The transmitting coil LT2One end and the inductance LP2The other end be connected, the other end and resonant capacitance CT2One end phase
Even, the resonant capacitance CT2The other end connect the inductance LP2One end.
7. multi-purpose wireless charger according to claim 4, which is characterized in that the C phase high-frequency alternating current generative circuit
Including inductance LF3, capacitor C3, switching device S3, inductance L03, capacitor C03And inductance LP3；
The C phase high-frequency alternating current generative circuit includes inductance LF3, capacitor C3, switching device S3, inductance L03, capacitor C03And
Inductance LP3；
The inductance LF3One end be connected with the anode of DC power supply V, the other end and the switching device S3One end, capacitor C3
One end, inductance L03One end be connected；The cathode of the DC power supply V and the capacitor C3The other end, the switching device
S3The other end, the inductance LP3One end be connected；Inductance L03The other end connect the capacitor C03One end, the capacitor
C03The other end connect the inductance LP3The other end；
The transmitting coil LT3One end and the inductance LP3The other end be connected, the other end and resonant capacitance CT3One end phase
Even, the resonant capacitance CT3The other end connect the inductance LP3One end.
8. multi-purpose wireless charger according to claim 4, which is characterized in that the power amplifier integrated circuit (2)
In switching device S1, switching device S2, switching device S3It is managed using MOSFET.
9. multi-purpose wireless charger according to claim 3, which is characterized in that the transmitting coil LT1With the emission lines
Enclose LT2Coil diameter be 5cm；The transmitting coil LT3Coil diameter be 15cm.
10. multi-purpose wireless charger according to claim 4, which is characterized in that further include master switch (4) and charging port
(5)；
The master switch (4) is connected in the output loop of the DC power supply V, and the charging port (5) is connected to described straight
The both ends of galvanic electricity source V, the charging for the DC power supply V.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910342879.0A CN110391698A (en) | 2019-04-26 | 2019-04-26 | Multi-purpose wireless charger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910342879.0A CN110391698A (en) | 2019-04-26 | 2019-04-26 | Multi-purpose wireless charger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110391698A true CN110391698A (en) | 2019-10-29 |
Family
ID=68285262
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910342879.0A Pending CN110391698A (en) | 2019-04-26 | 2019-04-26 | Multi-purpose wireless charger |
Country Status (1)
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