CN108964217A - The compound circuit of wireless charging and wired charging - Google Patents
The compound circuit of wireless charging and wired charging Download PDFInfo
- Publication number
- CN108964217A CN108964217A CN201811150405.8A CN201811150405A CN108964217A CN 108964217 A CN108964217 A CN 108964217A CN 201811150405 A CN201811150405 A CN 201811150405A CN 108964217 A CN108964217 A CN 108964217A
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- CN
- China
- Prior art keywords
- input
- module
- wireless charging
- charging
- output terminal
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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- 150000001875 compounds Chemical class 0.000 title claims abstract description 20
- 239000003990 capacitor Substances 0.000 claims abstract description 23
- 230000005611 electricity Effects 0.000 claims description 7
- 230000006698 induction Effects 0.000 claims description 2
- 230000006837 decompression Effects 0.000 claims 3
- 210000004899 c-terminal region Anatomy 0.000 description 12
- 238000000034 method Methods 0.000 description 12
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Classifications
-
- 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
-
- H02J7/025—
-
- 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
- H02J2207/00—Indexing scheme relating to details of circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J2207/40—Indexing scheme relating to details of circuit arrangements for charging or depolarising batteries or for supplying loads from batteries adapted for charging from various sources, e.g. AC, DC or multivoltage
-
- 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
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
Abstract
The invention discloses the compound circuits of a kind of wireless charging and wired charging, including bridge rectifier module, one end of the bridge rectifier module passes through the 5th capacitor the first inductance coil of series connection, the other end of the bridge rectifier module connects the first input/output terminal by the 9th switch module, it further include a BUCK reduction voltage circuit module, the input terminal of the BUCK reduction voltage circuit module connects the second input/output terminal by first switch module, and the input terminal of the BUCK reduction voltage circuit module is also connected with third input/output terminal.The present invention has the advantages that the transmitting terminal that can be used as wireless charging is also used as the receiving end of wireless charging that can also use as wired charging circuit.
Description
Technical field
The present invention relates to power circuits, are also used as wireless charging more particularly, to a kind of transmitting terminal that can be used as wireless charging
The receiving end of electricity can also be as the compound circuit for the wireless charging and wired charging that wired charging circuit uses.
Background technique
It is stronger and stronger with electronic functionalities, the charging technique of electronic equipment also constantly developed and into
Step, in order to promote the convenience of charging, wireless charging mode has slowly become a kind of new charge trend.Currently, on the market
The terminal device of wireless charging can be supported more and more, need to realize that wireless charging needs a transmitting terminal and a reception
End, transmitting terminal is exactly wireless charger, and receiving end is exactly the electrical equipments such as mobile phone, and a coil is arranged in transmitting terminal, connects simultaneously
Receiving end is also provided with a coil, and transmitting terminal is received by control panel and coil transmissions energy, receiving end by control panel and coil
Energy can realize the wireless charging to electrical equipments such as mobile phones.Still having now largely needs charging equipment not have wirelessly
The function of charging, this is just needed using wired charging, but existing charging circuit generally only has with wireless charging or only
Line charge Electricity Functional thus needs two sets of circuits that could complete, and needs to develop different circuit modules to be respectively completed two function
Energy.
Summary of the invention
To solve the above problems, it is an object of that present invention to provide a kind of transmitting terminals that can be used as wireless charging to be also used as nothing
It the receiving end of line charge electricity can also be as the compound circuit for the wireless charging and wired charging that wired charging circuit uses.
The present invention realized by following technical measures, a kind of compound circuit of wireless charging and wired charging, including bridge
One end of formula rectification module, the bridge rectifier module passes through the 5th capacitor the first inductance coil of series connection, the bridge rectifier mould
The other end of block connects the first input/output terminal by the 9th switch module, further includes a BUCK reduction voltage circuit module, described
The input terminal of BUCK reduction voltage circuit module connects the second input/output terminal, the BUCK reduction voltage circuit mould by first switch module
The input terminal of block is also connected with third input/output terminal.
The input terminal of the BUCK reduction voltage circuit module connects third by second switch module as a preferred method,
The output end of input/output terminal, the BUCK reduction voltage circuit module connects rechargeable battery.
The switching tube in the BUCK reduction voltage circuit module is controlled by the second control core as a preferred method,
Piece, the switching tube in the bridge rectifier module are controlled by the first control chip.
The second control chip and the first control chip are controlled by center control core as a preferred method,
Piece.
One end of the bridge rectifier module is also parallel with the 6th capacitor as a preferred method,.
The BUCK reduction voltage circuit module includes the third switch for being connected to first switch module as a preferred method,
Pipe also passes through the second capacity earth, another pole of the third switching tube between the first switch module and third switching tube
A pole of third input/output terminal and the 4th switching tube is connected by tertiary coil respectively, the third input/output terminal also passes through
First capacitor ground connection, another pole ground connection of the 4th switching tube.
The second input/output terminal input DC power as a preferred method, first input/output terminal connect
Connect third input/output terminal.
It is grounded between the bridge rectifier module and the 9th switch module by filter capacitor as a preferred method,.
First input/output terminal passes through third capacity earth as a preferred method,.
First inductance coil is charging induction coil as a preferred method,.
The present invention forms wireless inductance charging end by bridge rectifier module and the first inductance coil, when there is extraneous second inductance
Coil is coupled with the first inductance coil is transferred to the first inductance coil directly to third input by the second inductance coil for energy
The straight-through charging of the rechargeable battery of output end connection can also pass through the by BUCK reduction voltage circuit module after the rectification of bridge rectifier module
Three input/output terminals charge to rechargeable battery qualcomm quick charge, and can also connect USB power source in the second input/output terminal (hereinafter referred to as has
Line power supply) come to the qualcomm quick charge charging or low-pressure direct charging realized to the rechargeable battery of third input/output terminal；Or
Second input/output terminal input DC power, by BUCK reduction voltage circuit module third input/output terminal obtain one it is adjustable
Output voltage forms wireless charging bridge circuit through bridge rectifier module, the 5th capacitor and the first inductance coil, works in fixation
Under switching frequency；For system by demodulating the information command etc. sent back from receiving end, the voltage for adjusting third input/output terminal is big
It is small, i.e., the output power of adjustable first inductance coil, thus the transmitting terminal circuit as wireless charging.The present invention can be used as
The transmitting terminal of wireless charging is also used as the receiving end of wireless charging that can also use as wired charging circuit.
Detailed description of the invention
Fig. 1 is the circuit diagram of the first operating mode of the embodiment of the present invention.
Fig. 2 is the circuit diagram of second of operating mode of the embodiment of the present invention.
Specific embodiment
Below with reference to embodiment and compares attached drawing invention is further described in detail.
The compound circuit of a kind of wireless charging and wired charging of the present embodiment, is opened with reference to Fig. 1 and Fig. 2, including by the 5th
Close the bridge rectifier module of pipe Q5, the 6th switching tube Q6, the 7th switching tube Q7 and the 8th switching tube Q8 composition, the bridge rectifier
It is opened by the 5th capacitor C5 the first inductance coil L1 of series connection, the other end of the bridge rectifier module by the 9th one end of module
Close the end pipe Q9 connection the first input/output terminal A, further include a BUCK reduction voltage circuit module, the BUCK reduction voltage circuit module it is defeated
Enter end by the end first switch tube Q1 connection the second input/output terminal B, the input terminal of the BUCK reduction voltage circuit module is also connected with
Third input/output terminal C-terminal.
This circuit forms wireless inductance charging end by bridge rectifier module and the first inductance coil L1, when there is the second electricity of the external world
Sense coil L2 couples with the first inductance coil L1 by energy that be transferred to the first inductance coil L1 by the second inductance coil L2 direct
To the straight-through charging of rechargeable battery that third input/output terminal C-terminal connects, can also be depressured after the rectification of bridge rectifier module by BUCK
Circuit module is charged by third input/output terminal C-terminal to rechargeable battery qualcomm quick charge, can also be connected at the second end input/output terminal B
USB power source (hereinafter referred to as cable power) is connect to fill to realization to the qualcomm quick charge of the rechargeable battery of third input/output terminal C-terminal
Electricity or low-pressure direct charging；Or in the second end input/output terminal B input DC power, by BUCK reduction voltage circuit module
Three input/output terminal C-terminals obtain an adjustable output voltage, through bridge rectifier module, the 5th capacitor C5 and the first inductance coil
L1 forms wireless charging bridge circuit, works under fixed switching frequency；System is by demodulating the information sent back from receiving end
Instruction etc. adjusts the voltage swing of third input/output terminal C-terminal, that is, the output power at the first end inductance coil L1 is adjusted, from
And the transmitting terminal circuit as wireless charging.The transmitting terminal that this circuit can be used as wireless charging is also used as the reception of wireless charging
End can also be used as wired charging circuit.It is carried out specifically below with reference to embodiment of this circuit under two kinds of different modes
It is bright.
In the embodiment that the first operating mode has the compound circuit of wireless charging and wired charging, attached drawing 1 is please referred to,
In front specifically it is also possible that the input terminal of BUCK reduction voltage circuit module passes through second switch module Q2 on the basis of technical solution
Third input/output terminal C-terminal is connected, the output end of the BUCK reduction voltage circuit module connects rechargeable battery；BUCK reduction voltage circuit mould
Block includes the third switching tube Q3 for being connected to first switch tube Q1, also logical between the first switch tube Q1 and third switching tube Q3
The second capacitor C2 ground connection is crossed, another pole of the third switching tube Q3 passes through tertiary coil L3 connection third input/output terminal respectively
One pole of C-terminal and the 4th switching tube Q4, the third input/output terminal C-terminal also pass through first capacitor C1 and are grounded, and the described 4th opens
Close another pole ground connection of pipe Q4.Third switching tube Q3, the 4th switching tube Q4 and first switch in BUCK reduction voltage circuit module
Pipe Q1 and second switch Q2 is controlled by the second control chip CNTL1, the 5th switching tube in the bridge rectifier module
Q5, the 6th switching tube Q6, the 7th switching tube Q7 and the 8th switching tube Q8 are controlled by the first control chip CNTL1, and described
Two control chip CNTL2 and first control chip CNTL1 be controlled by center control chip, the one of the bridge rectifier module
End is also parallel with the 6th capacitor C6, is grounded between the bridge rectifier module and the 9th switch module Q9 by filter capacitor C4,
The end first input/output terminal A is grounded by third capacitor C3.
The transmitting terminal of the second inductance coil L2 wireless charging coupled with the first inductance coil L1, passes through the first inductance coil
L1 coupling and the coupling of the second inductance coil L2 transmit energy to this circuit end.Second control chip CNTL1 control the 5th is opened
Pipe Q5, the 6th switching tube Q6, the 7th switching tube Q7, the 8th switching tube Q8 work are closed in full-bridge synchronous rectification mode, through filtered electrical
A DC voltage V is obtained after holding C4 filteringC4.9th switching tube Q9 is according to the pressure difference feelings of filter capacitor C4 and third capacitor C3
Condition works in linear on state or pass-through state, obtains a stable output voltage V at the first end input/output terminal AA,
VC4≥VA。VC3Voltage can control chip CNTLCORE setting by center, to meet qualcomm quick charge charging and low-pressure direct charging
Input voltage requirement；
First end input/output terminal A is connected to the second end input/output terminal B by circuit；Third input/output terminal C-terminal can connect not
The battery of same specification；
Qualcomm quick charge charging, Buck charging --- second switch Q2 is closed, and first switch tube Q1 is straight-through, third inductor wire
It encloses L3, third switching tube Q3, the 4th switching tube Q4, first capacitor C1 and forms BUCK reduction voltage circuit, battery is depressured and is charged.Pass through
The controlling of sampling of voltage and the electric current for flowing through first switch tube Q1 on rechargeable battery completes charger circuit to Current Voltage
Control；
The straight-through charging of low pressure --- third switching tube Q3, the 4th switching tube Q4 are closed, and pass through control first switch tube Q1, the
Two switching tube Q2 are straight-through, directly charge to battery；
Second end input/output terminal B is connected to the power input of mobile terminal, when can not provide the wireless charging of energy
The end TX (hereinafter referred to as wireless power source), but have USB power source (hereinafter referred to as cable power) input when, can also realize the height to battery
Logical fast charge charging and low-pressure direct charging.When cable power and wireless power source exist simultaneously, preferentially cable power can be selected to fill
Electricity or wireless power source charging；
Pass through the first operating mode, it is known that the circuit combines three classes charging modes currently popular, realizes movement
The charging modes that the wireless charging and wired charging of terminal combine.
In the embodiment that second of operating mode has the compound circuit of wireless charging and wired charging, attached drawing 2 is please referred to,
In front specifically it is also possible that the second input/output terminal B is terminated into fixed input voltage V on the basis of technical solutionBThird is defeated
Enter output end C-terminal and access the first end input/output terminal A, the 9th switching tube Q9 is straight-through, and the 6th capacitor C6 is not connected to.First switch tube
Q1 is straight-through, and second switch Q2 closes (or Q2 is not connected to), tertiary coil L3, third switching tube Q3, the May 4th switching tube Q4, the
One capacitor C1 forms BUCK reduction voltage circuit and obtains an adjustable output voltage VC in third input/output terminal C-terminal.5th switch
Pipe Q5, the 6th switching tube Q6, the 7th switching tube Q7, the 8th switching tube Q, the 5th capacitor C5, the first inductance coil L1 composition is wireless
Charge full-bridge circuit, works under fixed switching frequency.System is adjusted by demodulating the information command etc. sent back from receiving end
VCVoltage swing, i.e., the output power of adjustable transmitting terminal.
Pass through second of operating mode, it is known that the circuit is also can serve as the transmitting terminal of wireless charging, passes through two sets of circuits
Cooperation, the total solution for the wireless charging being solved perfectly.
It is that compound circuit and charging method to wireless charging of the present invention and wired charging is expounded above, for helping
Assistant solves the present invention, but embodiment of the present invention are not limited by the above embodiments, any without departing under the principle of the invention
Made changes, modifications, substitutions, combinations, simplifications should be equivalent substitute mode, be included in protection scope of the present invention
It is interior.
Claims (10)
1. the compound circuit of a kind of wireless charging and wired charging, it is characterised in that: including bridge rectifier module, the bridge-type is whole
One end of flow module passes through the 9th switch by the 5th capacitor the first inductance coil of series connection, the other end of the bridge rectifier module
Module connects the first input/output terminal, further includes a BUCK reduction voltage circuit module, the input terminal of the BUCK reduction voltage circuit module
The second input/output terminal is connected by first switch module, the input terminal of the BUCK reduction voltage circuit module is also connected with third input
Output end.
2. the compound circuit of wireless charging according to claim 1 and wired charging, it is characterised in that: the BUCK decompression
The input terminal of circuit module connects third input/output terminal, the output of the BUCK reduction voltage circuit module by second switch module
End connection rechargeable battery.
3. the compound circuit of wireless charging according to claim 1 and wired charging, it is characterised in that: the BUCK decompression
Switching tube in circuit module is controlled by the second control chip, and the switching tube in the bridge rectifier module is controlled by
First control chip.
4. the compound circuit of wireless charging according to claim 3 and wired charging, it is characterised in that: second control
Chip and the first control chip are controlled by center control chip.
5. the compound circuit of wireless charging according to claim 1 and wired charging, it is characterised in that: the bridge rectifier
One end of module is also parallel with the 6th capacitor.
6. the compound circuit of wireless charging according to claim 1 and wired charging, it is characterised in that: the BUCK decompression
Circuit module includes the third switching tube for being connected to first switch module, between the first switch module and third switching tube also
By the second capacity earth, another pole of the third switching tube connects third input/output terminal and the by tertiary coil respectively
One pole of four switching tubes, the third input/output terminal are also grounded by first capacitor, and another pole of the 4th switching tube connects
Ground.
7. the compound circuit of wireless charging according to claim 1 and wired charging, it is characterised in that: second input
Output end input DC power, first input/output terminal connect third input/output terminal.
8. the compound circuit of wireless charging according to claim 1 and wired charging, it is characterised in that: the bridge rectifier
It is grounded between module and the 9th switch module by filter capacitor.
9. the compound circuit of wireless charging according to claim 1 and wired charging, it is characterised in that: first input
Output end passes through third capacity earth.
10. the compound circuit of wireless charging according to claim 1 and wired charging, it is characterised in that: first electricity
Feeling coil is charging induction coil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811150405.8A CN108964217A (en) | 2018-09-29 | 2018-09-29 | The compound circuit of wireless charging and wired charging |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811150405.8A CN108964217A (en) | 2018-09-29 | 2018-09-29 | The compound circuit of wireless charging and wired charging |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108964217A true CN108964217A (en) | 2018-12-07 |
Family
ID=64472708
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811150405.8A Pending CN108964217A (en) | 2018-09-29 | 2018-09-29 | The compound circuit of wireless charging and wired charging |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108964217A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109888928A (en) * | 2019-02-28 | 2019-06-14 | 维沃移动通信有限公司 | A kind of terminal and wireless charging control method |
| CN112772978A (en) * | 2019-11-05 | 2021-05-11 | 日本烟草产业株式会社 | Power supply unit for aerosol inhaler |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20150311738A1 (en) * | 2014-04-23 | 2015-10-29 | Lenovo (Singapore) Pte. Ltd. | Method for supplying power to an portable electronic device |
| CN205051447U (en) * | 2015-09-10 | 2016-02-24 | 胡江浩 | Wireless charging circuit topological structure of low -power |
| CN208797629U (en) * | 2018-09-29 | 2019-04-26 | 深圳维普创新科技有限公司 | The compound circuit of wireless charging and wired charging |
-
2018
- 2018-09-29 CN CN201811150405.8A patent/CN108964217A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20150311738A1 (en) * | 2014-04-23 | 2015-10-29 | Lenovo (Singapore) Pte. Ltd. | Method for supplying power to an portable electronic device |
| CN205051447U (en) * | 2015-09-10 | 2016-02-24 | 胡江浩 | Wireless charging circuit topological structure of low -power |
| CN208797629U (en) * | 2018-09-29 | 2019-04-26 | 深圳维普创新科技有限公司 | The compound circuit of wireless charging and wired charging |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109888928A (en) * | 2019-02-28 | 2019-06-14 | 维沃移动通信有限公司 | A kind of terminal and wireless charging control method |
| CN112772978A (en) * | 2019-11-05 | 2021-05-11 | 日本烟草产业株式会社 | Power supply unit for aerosol inhaler |
| CN112772978B (en) * | 2019-11-05 | 2022-04-05 | 日本烟草产业株式会社 | Power supply unit for aerosol inhaler |
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