CN107453448A - A kind of emitter for wireless charging - Google Patents
A kind of emitter for wireless charging Download PDFInfo
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- CN107453448A CN107453448A CN201710848883.5A CN201710848883A CN107453448A CN 107453448 A CN107453448 A CN 107453448A CN 201710848883 A CN201710848883 A CN 201710848883A CN 107453448 A CN107453448 A CN 107453448A
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- 230000003321 amplification Effects 0.000 claims abstract description 17
- 238000003199 nucleic acid amplification method Methods 0.000 claims abstract description 17
- 238000006243 chemical reaction Methods 0.000 claims abstract description 10
- 230000002093 peripheral effect Effects 0.000 claims abstract description 8
- 230000000087 stabilizing effect Effects 0.000 claims abstract description 4
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 claims description 3
- 239000002699 waste material Substances 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 6
- 230000005540 biological transmission Effects 0.000 description 4
- 230000005611 electricity Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
Classifications
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- H02J7/025—
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J50/00—Circuit arrangements or systems for wireless supply or distribution of electric power
- H02J50/10—Circuit arrangements or systems for wireless supply or distribution of electric power using inductive coupling
- H02J50/12—Circuit arrangements or systems for wireless supply or distribution of electric power using inductive coupling of the resonant type
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Power Engineering (AREA)
- Amplifiers (AREA)
Abstract
The invention discloses a kind of emitter for wireless charging, conversion module, full-bridge drive amplification module and transmitting coil occurs including DC power supply, primary power source voltage stabilizing, signal, the output that conversion module occurs for signal is connected with full-bridge drive amplification module, full-bridge drive amplification module is connected with transmitting coil, and three forms the structure of concatenated in order.The present invention the advantage is that power amplifier module peripheral circuit is succinct, power capacity is big, power amplifier module efficiency high, avoid the waste of electric energy, using devices at full hardware mode, circuit performance is stable, and can arbitrarily adjust the frequency of drive signal to adapt to the resonance coil of different resonant frequencies, and compatibility is strong.
Description
Technical field
The invention belongs to wireless power transmission technical field, is related to a kind of emitter of wireless charging.
Background technology
Wireless charging technology is to be taken seriously in recent years in the case of the fast development and popularization of various electronic electric equipments
A kind of charging technique of research.It is charged by way of wireless energy transfer for electronic electric equipment, separates power supply unit
Physical connection between electrical equipment, so while the attractive in appearance of electrical equipment, practicality is improved, electricity consumption can also be improved
The security of equipment.But it is used as the power amplifying part of emitter using linear power amplifier mostly at present, it is this
Method directly results in efficiency and significantly declined.
In order to improve the efficiency of transmission of electric energy, efficient power amplifier module is the focus of research.In the spring come et al. be situated between
Continue a kind of high-power, efficient power amplifier module (carrys out resonance type wireless energy transmission system driving source [J] electricity in the spring
Work Technology, 2011, the S1 phases：177-182.), by the collocation of each device, using the topology of full bridge formation, improve
The efficiency of amplification module.Simply it is more to there is circuit devcie in the module, the shortcomings of processed complex.
The content of the invention
It is an object of the invention to overcome above-mentioned the shortcomings of the prior art, there is provided a kind of transmitting for wireless charging
Device, on the premise of the transmission of high efficiency electric energy is realized, while realize the integrated of its structure, simplicity and cost degradation.
To achieve the above object, the present invention adopts the technical scheme that：A kind of emitter for wireless charging, including
Conversion module, full-bridge drive amplification module and transmitting coil occur for DC power supply, primary power source voltage stabilizing, signal；It is described
The output that conversion module occurs for signal is connected with full-bridge drive amplification module, and full-bridge drive amplification module is connected with transmitting coil,
Three forms the structure of concatenated in order；Wherein, the full-bridge drive amplification module, including FET F1, F2, F3, F4, resistance
R8, R9, R10, R11, R12, R13, R14, R15, R16, R17, R18, R19, diode D1, D2, D3, D4, D5, D6, D7, D8,
The chip I R2111U3 and peripheral components C5, C6, D4 of the left bridge arm drive circuit of full-bridge are formed, forms the right bridge arm drive circuit of full-bridge
Chip I R2111U4 and peripheral components C7, C8, D3；Described resistance R10 both ends are respectively connecting to pipe F1 grid and a source
Pole, resistance R11 both ends are respectively connecting to the grid and source electrode of a pipe F2, and resistance R16 both ends are respectively connecting to a pipe F3 grid
And source electrode, resistance R17 both ends are respectively connecting to the grid and source electrode of a pipe F4, pass through the drain electrode of field pipe F1 source electrode and field pipe F3
The left bridge arm of full-bridge is connected and composed, the right bridge arm of full-bridge is connected and composed by the drain electrode of field pipe F2 source electrode and field pipe F4；Resistance
After, resistance R13 in parallel with resistance R8 connects with diode D6 after R12 connects with diode D5, resistance R18 in parallel with resistance R9 and
, resistance R19 in parallel with resistance R14 is in parallel with resistance R15 after being connected with diode D8 after diode D7 series connection, respectively constitutes waveform
Adjust network.
Further, described signal generation conversion module, including chip IC L8038U1, IR2111U2, resistance R1, R2,
R3, R4, R5, R6, R7, electric capacity C1, C2, C3, C4, adjustable potentiometer VR1, VR2, diode D1, D2；Chip IC L8038U1 is defeated
Go out and be connected with chip I R2111U2, the pulse width modulation wave of chip I R2111U2 output two-way antithesis each other.
Further, described transmitting coil, including it is equivalent to inductance L1 circular spiral coil, matching capacitance
C9, inductance L1 are connected in series with electric capacity C9, and the series circuit both ends formed are respectively connecting to the midpoint of the left and right bridge arm of full-bridge.
The present invention compared with prior art, has advantages below and beneficial effect：
(1) power amplifier module peripheral circuit of the present invention is succinct, power amplifier module efficiency high, avoids electricity
The waste of energy.
(2) scheme of the present invention is devices at full hardware mode, and circuit performance is stable, and can arbitrarily adjust driving letter
Number frequency to adapt to the resonance coil of different resonant frequencies, compatibility is strong.
(3) topological structure of full bridge formation of the present invention, power capacity is big, can be applied to common small-power and use
The wireless charging of electric equipment.
The purpose of the present invention, feature and advantage will make explanation further below referring to the drawings in conjunction with the embodiments.
Brief description of the drawings
Fig. 1 is the general structure schematic diagram of the present invention.
Fig. 2 is the circuit theory diagrams of full-bridge drive amplification module of the present invention.
Fig. 3 is the circuit theory diagrams that conversion module occurs for signal of the present invention.
Fig. 4 is transmitting coil equivalent circuit structure figure of the present invention.
Embodiment
As shown in Fig. 1 general structure schematic diagram, a kind of emitter for wireless charging, including direct current supply electricity
Conversion module, full-bridge drive amplification module and transmitting coil occur for source, primary power source voltage stabilizing, signal；The signal becomes
The output of mold changing block is connected with full-bridge drive amplification module, and full-bridge drive amplification module is connected with transmitting coil, and three forms suitable
The structure of sequence cascade；As shown in the circuit theory diagrams of Fig. 2 full-bridge drive amplification module, the full-bridge drive amplification module, bag
Including FET F1, F2, F3, F4 that model is IRLR7843, resistance R8, R9, R14, R15 are 15 Ω, resistance R10,
R11, R16, R17 are 10K Ω, and resistance R12, R13, R18, R19 are 15 Ω, diode D1, D2, D3, D4, D5, D6, D7,
D8 is 1N5822, and the chip U3 for forming the left bridge arm drive circuit of full-bridge is IR2111 and peripheral components C5, C6 are 0.47uF,
The chip U4 for forming the right bridge arm drive circuit of full-bridge is IR2111 and peripheral components C7, C8 are 0.47uF；Described resistance R10
Both ends are respectively connecting to the grid and source electrode of a pipe F1, and resistance R11 both ends are respectively connecting to the grid and source electrode of a pipe F2, resistance
R16 both ends are respectively connecting to the grid and source electrode of a pipe F3, and resistance R17 both ends are respectively connecting to the grid and source electrode of a pipe F4,
The left bridge arm of full-bridge is connected and composed by field pipe F1 source electrode and field pipe F3 drain electrode, passes through field pipe F2 source electrode and field pipe F4
Drain electrode connects and composes the right bridge arm of full-bridge；Resistance R12, resistance R13 in parallel with resistance R8 and diode after being connected with diode D5
, resistance R19 in parallel with resistance R14 and diode D8 goes here and there after, resistance R18 in parallel with resistance R9 connects with diode D7 after D6 series connection
It is in parallel with resistance R15 after connection, respectively constitute waveform adjustment network.
Further, as shown in the circuit theory diagrams of Fig. 3 signal generation conversion module, described signal occurs to become mold changing
Block, including chip U1 be ICL8038, chip U2 be IR2111, resistance R1 is 10K Ω, and R2, R3 are that 1K Ω, R4 are 4.7 Ω,
R5 is 1K Ω, and R6 is that 2M Ω, R7 are 10K Ω, and electric capacity C1 is 10uF, and C2 200pF, C3, C4 are 0.47uF, adjustable potentiometer
VR1 is that 100K Ω, VR2 are 20K Ω, and diode D1 is 1N4148, D2 1N5822；Chip U1ICL8038 output and chip
U2IR2111 connections, the pulse width modulation wave of chip U2IR2111 output two-way antithesis each other.
Further, transmitting coil equivalent circuit structure figure as shown in Figure 4, described transmitting coil, including it is equivalent to one
The capacitance of individual inductance L1 circular spiral coil, matching capacitance C9, the inductance value of inductance and the electric capacity of matching can be according to different application
Scene is selected, and inductance L1 and C9 is connected in series, and the series circuit both ends formed are respectively connecting in the left and right bridge arm of full-bridge
Point.
One of ordinary skill in the art will be appreciated that embodiment described here is to aid in reader and understands this hair
Bright principle, it should be understood that protection scope of the present invention is not limited to such especially statement and embodiment.This area
Those of ordinary skill can make the various other various tools for not departing from the present invention according to these technical inspirations disclosed by the invention
Body deforms and combination, and these deformations and combination are still within the scope of the present invention.
Claims (3)
1. a kind of emitter for wireless charging, including DC power supply, primary power source voltage stabilizing, signal generation change mold changing
Block, full-bridge drive amplification module and transmitting coil；It is characterized in that：The output of conversion module occurs for signal and full-bridge driving is put
Big module connection, full-bridge drive amplification module are connected with transmitting coil, and three forms the structure of concatenated in order；Wherein, it is described complete
Bridge drive amplification module, including FET F1, F2, F3, F4, resistance R8, R9, R10, R11, R12, R13, R14, R15, R16,
R17, R18, R19, diode D1, D2, D3, D4, D5, D6, D7, D8, the chip of the composition left bridge arm drive circuit of full-bridge
IR2111U3 and peripheral components C5, C6, D4, the chip I R2111U4 and peripheral components C7 of the composition right bridge arm drive circuit of full-bridge,
C8、D3；Described R10 both ends are respectively connecting to F1 grid and source electrode, and R11 both ends are respectively connecting to F2 grid and source electrode,
R16 both ends are respectively connecting to F3 grid and source electrode, and R17 both ends are respectively connecting to F4 grid and source electrode, pass through F1 source electrode
Drain electrode with F3 connects and composes the left bridge arm of full-bridge, and the right bridge arm of full-bridge is connected and composed by the drain electrode of F2 source electrode and F4；R12
After, R19 in parallel with R14 connects with D8 after, R18 in parallel with R9 connects with D7 after, R13 in parallel with R8 connects with D6 after being connected with D5
It is in parallel with R15, respectively constitute waveform adjustment network.
A kind of 2. emitter for wireless charging according to claim 1, it is characterised in that：Described signal occurs
Conversion module, including chip IC L8038U1, IR2111U2, resistance R1, R2, R3, R4, R5, R6, R7, electric capacity C1, C2, C3, C4,
Adjustable potentiometer VR1, VR2, diode D1, D2；Chip IC L8038U1 outputs are connected with chip I R2111U2, chip
The pulse width modulation wave of IR2111U2 output two-way antithesis each other.
A kind of 3. emitter for wireless charging according to claim 1, it is characterised in that：Described emission lines
Circle, including is equivalent to inductance L1 circular spiral coil, matching capacitance C9, and L1 is connected in series with C9, the series connection formed
Circuit both ends are respectively connecting to the midpoint of the left and right bridge arm of full-bridge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710848883.5A CN107453448A (en) | 2017-09-20 | 2017-09-20 | A kind of emitter for wireless charging |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710848883.5A CN107453448A (en) | 2017-09-20 | 2017-09-20 | A kind of emitter for wireless charging |
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| Publication Number | Publication Date |
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| CN107453448A true CN107453448A (en) | 2017-12-08 |
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| CN201710848883.5A Pending CN107453448A (en) | 2017-09-20 | 2017-09-20 | A kind of emitter for wireless charging |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102368669A (en) * | 2011-10-22 | 2012-03-07 | 成都市翻鑫家科技有限公司 | Sine inverter power supply apparatus used by vehicle |
| JP2016140158A (en) * | 2015-01-26 | 2016-08-04 | 株式会社デンソー | Power transmission device in non-contact power supply system |
| CN106058902A (en) * | 2016-05-31 | 2016-10-26 | 国网山东省电力公司电力科学研究院 | Electric vehicle access grid charger capable of improving charging electric energy quality and method |
| CN106452102A (en) * | 2016-11-10 | 2017-02-22 | 成都信息工程大学 | Frequency converter |
| CN106602744A (en) * | 2017-01-13 | 2017-04-26 | 山西潞安环保能源开发股份有限公司王庄煤矿 | Miniwatt middle-distance magnetic coupling wireless power transmission apparatus and tuning method thereof |
| CN106712312A (en) * | 2016-08-17 | 2017-05-24 | 桐城信邦电子有限公司 | Novel wireless energy transmission power supply generator system |
| CN207124474U (en) * | 2017-09-20 | 2018-03-20 | 成都瑞德星无线技术有限公司 | A kind of emitter for wireless charging |
-
2017
- 2017-09-20 CN CN201710848883.5A patent/CN107453448A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102368669A (en) * | 2011-10-22 | 2012-03-07 | 成都市翻鑫家科技有限公司 | Sine inverter power supply apparatus used by vehicle |
| JP2016140158A (en) * | 2015-01-26 | 2016-08-04 | 株式会社デンソー | Power transmission device in non-contact power supply system |
| CN106058902A (en) * | 2016-05-31 | 2016-10-26 | 国网山东省电力公司电力科学研究院 | Electric vehicle access grid charger capable of improving charging electric energy quality and method |
| CN106712312A (en) * | 2016-08-17 | 2017-05-24 | 桐城信邦电子有限公司 | Novel wireless energy transmission power supply generator system |
| CN106452102A (en) * | 2016-11-10 | 2017-02-22 | 成都信息工程大学 | Frequency converter |
| CN106602744A (en) * | 2017-01-13 | 2017-04-26 | 山西潞安环保能源开发股份有限公司王庄煤矿 | Miniwatt middle-distance magnetic coupling wireless power transmission apparatus and tuning method thereof |
| CN207124474U (en) * | 2017-09-20 | 2018-03-20 | 成都瑞德星无线技术有限公司 | A kind of emitter for wireless charging |
Non-Patent Citations (1)
| Title |
|---|
| 王修岩，杨森: ""单相逆变器的滑模自适应控制器设计"", 《电气传动》 * |
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Application publication date: 20171208 |
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