CN108711949A - Intelligent wireless power charging system - Google Patents
Intelligent wireless power charging system Download PDFInfo
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- CN108711949A CN108711949A CN201810526394.2A CN201810526394A CN108711949A CN 108711949 A CN108711949 A CN 108711949A CN 201810526394 A CN201810526394 A CN 201810526394A CN 108711949 A CN108711949 A CN 108711949A
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- 230000004907 flux Effects 0.000 claims description 4
- 230000005540 biological transmission Effects 0.000 abstract description 8
- 230000005611 electricity Effects 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 3
- 238000004804 winding Methods 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000523 sample Substances 0.000 description 2
- 230000003321 amplification Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000005674 electromagnetic induction Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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- 238000003199 nucleic acid amplification method Methods 0.000 description 1
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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
- 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
- H02J50/90—Circuit arrangements or systems for wireless supply or distribution of electric power involving detection or optimisation of position, e.g. alignment
-
- H02J7/025—
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Power Engineering (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
A kind of Intelligent wireless power charging system, which is characterized in that including：Transmitting module, receiving module, controller and it is automatically aligned to module.The controller energy control machinery arm, and then the position and angle of inclination of first coil are adjusted, the controller can control the beginning, stopping and end of charging, and the controller can adjust the voltage swing of charging.After charging, controller control machinery arm is kept in the center, and first coil is kept in the center, and waiting is charged next time.So that power frequency is equal to the intrinsic frequency of transmitting module, the intrinsic frequency of transmitting module is equal to the intrinsic frequency of receiving module, and the magnet coupled resonant type wireless electric energy for realizing transmitting module to receiving module transmits, and realizes efficient wireless power transmission.It is an advantage of the invention that：The transmitting end-coil of wireless charging system and being automatically aligned to for reception end-coil are realized, power on/off automatically controls, the automatic adjustment of voltage, also, high degree of automation, and electric energy efficiency of transmission is high, easy to use.
Description
Technical field
The present invention relates to wireless charging system more particularly to a kind of Intelligent wireless power charging systems.
Background technology
Existing wireless charging system, usually single transmitting terminal are relatively fixed single receiving terminal, transmitting end position, and
Reception end position is typically uncertain, and the relative position of receiving terminal and transmitting terminal is generally not fixed in other words so that wireless charging
The electromagnetic induction range of electricity is small, also, the beginning and end to charge is required for manual control, voltage to be also required to manually adjust
Section, the degree of automation is low, inconvenient to use, and charge efficiency is low.It would therefore be highly desirable to provide a kind of high degree of automation, be automatically aligned to,
Realize the Intelligent wireless power charging system of high efficiency electric energy transmission.
Invention content
In view of defect existing for existing wireless charging system, it is necessary to provide a kind of high degree of automation, be automatically aligned to,
Realize the Intelligent wireless power charging system of high efficiency electric energy transmission.
To achieve the goals above, the present invention adopts the following technical scheme that：
A kind of Intelligent wireless power charging system, including transmitting module, receiving module, controller and it is automatically aligned to module.
The transmitting module includes magnetic core, the first rectifier, DC-DC converter, inverter, the first compensating electric capacity, first
The power switch of coil and first coil.
The receiving module includes the second coil, the second compensating electric capacity, the second rectifier, battery.
The module that is automatically aligned to includes mechanical arm, proximity sensor.
First coil is combined with magnetic core, so that first coil weakens back to the second coil side magnet density, first
The second coil of face side magnetic flux density of coil is reinforced.
It is equipped on mechanical arm after first compensating electric capacity is in parallel with the first coil on magnetic core is fixed on, described
One coil and the magnetic core are all fixed on mechanical arm.
The proximity sensor is connect with controller, and the mechanical arm is connect with controller, proximity sensor detection the
Location information is simultaneously fed back to controller by two coil position and angle of inclination, and then controller control machinery arm makes
First coil on mechanical arm moves closer to the second coil, final to realize that the axis of the axis and the second coil of first coil is several
It overlaps, realize transmitting end-coil and receives being automatically aligned to for end-coil.
The power switch of first coil is connect with controller, and the break-make of the wherein power switch of first coil has controller control
System, first coil is with after the second coil alignment, and controller stops the adjustment to mechanical arm and controls, and controller starts connection first
The power switch of coil, wireless charging start.
Preferably, controller energy control machinery arm, it is final to realize that first coil is automatically aligned to the second coil, meanwhile,
Controller judges to cut off the power supply of first coil after battery fills with electricity, and then realizes the beginning and end of control charging, or
Person, which controls power switch, makes its midway stop charging.Also, after charging, controller control machinery arm is kept in the center, etc.
It waits for charging next time.
The magnetic core can be that either inverted T-shape magnetic core can use the replacement of E shape magnetic cores or other can to inverted T-shape magnetic core
To play the magnetic core of similar action.
First rectifier, DC-DC converter, inverter are combined, and function is, by the alternating current of access into
Row power frequency amplifies, and amplified power frequency can be measured with oscillograph.
For the first coil with after the second coil alignment, first coil is passed through the electric current after frequency conversion, first coil and second
Coil couples, and electric current is generated on the second coil.
The first coil is in parallel with the first compensating electric capacity, and the first coil is connected with inverter, the second coil with
Second compensating electric capacity is in parallel, and the second coil is connected with the second inverter, and the second inverter is connected with battery.
After the first coil is in parallel with the first compensating electric capacity, first coil inductance value is adjusted, according to formulaThe intrinsic frequency of transmitting module can be calculated, finally so that calculated transmitting module intrinsic frequency be equal to or
Person is equal to the frequency for the electric current for flowing through first coil close to the frequency of the amplified electric current of frequency, the i.e. intrinsic frequency of transmitting module
Rate.
After second coil is in parallel with the second compensating electric capacity, the second coil inductance is adjusted, according to formulaThe intrinsic frequency of receiving module can be calculated, finally so that calculated receiving module intrinsic frequency be equal to or
Intrinsic frequency of the person close to transmitting module.
Power frequency is equal to the intrinsic frequency of transmitting module, and the intrinsic frequency of transmitting module is equal to the intrinsic frequency of receiving module
Rate, the magnet coupled resonant type wireless electric energy for realizing transmitting module to receiving module transmit, and realize efficient wireless power transmission.
The beneficial effects of the invention are as follows：Realize wireless charging system transmitting end-coil with reception end-coil it is automatic right
Standard realizes the beginning, stopping and end for automatically controlling charging, realizes the automatic adjustment of charging voltage, also, automate journey
Degree is high, and electric energy efficiency of transmission is high, easy to use.
Description of the drawings
For the clearer technical solution for illustrating the embodiment of the present invention or the prior art, to embodiment or will show below
There is attached drawing needed in technology to be briefly described, it should be apparent that, the accompanying drawings in the following description is only the present invention's
Some embodiments without creative efforts, can be with root for other those of ordinary skill of this field
Other accompanying drawings are obtained according to these attached drawings.
Fig. 1 is the configuration diagram of the embodiment of the present invention.
Fig. 2 is the power transmission schematic diagram of the embodiment of the present invention.
Fig. 3 is the system program design flow chart of the embodiment of the present invention.
Fig. 4 is the first coil vertical view of the embodiment of the present invention.
Fig. 5 is the design sketch of the inverted T-shape magnetic core that is used in the embodiment of the present invention to magnetic flux density humidification.
Wherein, battery 1, the second rectifier 2, the second coil 3, first coil 4, proximity sensor 5, controller 6, manipulator
Arm 7, the first rectifier 8, DC-DC converter 9, inverter 10, the power switch 11 of first coil, inverted T-shape magnetic core 12.
In entire the drawings and specific embodiments, the identical element of identical reference numbers.Attached drawing can not be according to
Ratio is drawn, also, for clear, description and convenience, may exaggerate relative size, ratio and the description in attached drawing.
Specific implementation mode
In order to keep the purpose, technical scheme and advantage of the embodiment of the present invention clearer, implement below in conjunction with the present invention
Attached drawing in example, technical solution in the embodiment of the present invention carry out clear, complete description, it is clear that described embodiment
It is a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiment of the present invention, this field other technologies people
The other embodiment that member obtains under the premise of not making creative work, belongs to protection scope of the present invention.
The technical solution of the embodiment of the present invention is：
A kind of Intelligent wireless power charging system, referring to Fig.1, Fig. 2, including：Transmitting module, receiving module, controller and from
Dynamic alignment modules.
The transmitting module includes inverted T-shape magnetic core 12, the first rectifier 8, DC-DC converter 9, inverter 10, first
Compensating electric capacity C1, first coil L14, the power switch 12 of first coil.
The receiving module includes the second coil L23, the second compensating electric capacity C2, the second rectifier 2, battery 1.
The module that is automatically aligned to includes mechanical arm 7, proximity sensor 5.
Wherein, controller is connect with transmitting module, and controller is connect with module is automatically aligned to.Controller can control DC-DC
Converter is to control the size of charging voltage, the movement of controller energy control machinery on hand.
Preferably, first coil uses disc type helical coil structure, magnetic core to use inverted T-shape magnetic core, first coil coiling
In part on inverted T-shape magnetic core, so that first coil weakens back to the second coil side magnet density, first coil is just
Second coil side magnetic flux density is reinforced.
It is equipped on manipulator after first compensating electric capacity is in parallel with the first coil 4 being fixed on inverted T-shape magnetic core 12
On arm 7, the probe portion of proximity sensor 5 also is secured on mechanical arm 7, and proximity sensor 5 is synchronous with first coil 4
Mobile, the relative position of proximity sensor and first coil is indeclinable.
The proximity sensor 5 is connect with controller 6, and proximity sensor 5 detects 3 position of the second coil and inclination
Location information is simultaneously fed back to controller 6 by angle, and then 6 control machinery arm 7 of controller makes the First Line on mechanical arm
Circle 4 moves closer to the second coil 3, final to realize that the axis of first coil is almost overlapped with the axis of the second coil, realizes transmitting
End-coil is automatically aligned to reception end-coil.
First coil is with after the second coil alignment, and controller 6 stops the adjustment to mechanical arm 7 and controls, and controller starts
The power switch 11 of first coil is connected, wireless charging starts.
Preferably, 6 energy control machinery arm 7 of controller, it is final to realize that first coil 4 is automatically aligned to the second coil 3, together
When, controller 6 judges to cut off the power switch 11 of first coil after battery fills with electricity, and then realizes the beginning of control charging
And end, or controlling power switch 11 makes its midway stop charging.Also, controller can be adjusted according to the voltage received
Information is adjusted the voltage of charging.Also, after charging, 6 control machinery arm 7 of controller is kept in the center, under waiting
Primary charging.
First rectifier 8, DC-DC converter 9, inverter 10 are combined, and function is, by the city of access
Electricity carries out power frequency amplification, and amplified power frequency f can be measured with oscillograph0.Wherein, inverter and first coil phase
Even, the electric current that inverter comes out flows into first coil.
For the first coil with after the second coil alignment, first coil is passed through the electric current after frequency conversion, first coil and second
Coil couples, and electric current is generated on the second coil.
The first coil is in parallel with the first compensating electric capacity, and the second coil is in parallel with the second compensating electric capacity.
The first coil L1With the first compensating electric capacity C1After parallel connection, first coil inductance value is adjusted, according to formulaThe intrinsic frequency of transmitting module can be calculated, finally so that the intrinsic frequency of calculated transmitting module is equal to
Or the frequency close to the amplified electric current of frequency.
The second coil L2With the second compensating electric capacity C2After parallel connection, the second coil inductance is adjusted, according to formulaThe intrinsic frequency for receiving end module can be calculated, finally so that the intrinsic frequency etc. of calculated receiving module
In or close to transmitting module intrinsic frequency.
First coil, the second coil are the disc type spiral windings being coiled into Litz wire, upper layer and lower layer, and each layer of the number of turns is
30, coil outer diameter 20cm, internal diameter 3cm, selected Litz wire specification are 0.1mm × 180 strand.
The inductance value of first coil bilayer Litz wire disc type spiral winding is L1=86 μ H, the capacitance of the first compensating electric capacity are
C1=450pF, brings formula intoObtain f1=809.4kHz adjusts Litz wire disc type line with digital electric bridge again
The inductance value of circle：The measurement frequency of digital electric bridge is transferred to 809kHz, and level voltage 1v adjusts inductance while measuring inductance,
So that inductance value of the double-deck Litz wire spiral winding under the frequency is L0=86 μ H.According to the side for adjusting first coil inductance value
Method adjusts the second coil so that the second coil is as the material of first coil, size, inductance value, finally, adjusts inverter
Inversion after power frequency so that power frequency is equal to the intrinsic frequency of transmitting module, and the intrinsic frequency of transmitting module is equal to
The intrinsic frequency of receiving module, i.e. f0=f1=f2, finally the magnet coupled resonant type wireless of realization transmitting module to receiving module is electric
It can transmit, realize efficient wireless power transmission.
The embodiment of the present invention especially emphasizes that above-mentioned inverted T-shape magnetic core can use E shape magnetic cores to replace completely, effect effect
Fruit is close, and therefore, magnetic core used in the embodiment of the present invention has inverted T-shape magnetic core and E shape magnetic cores, the two to select one.
The embodiment of the present invention realization be automatically aligned to, intelligent control the step of be：
When needing wireless charging, the second coil 3 is close to the transmitting terminal of wireless charging system, the detection of proximity sensor 5 second
The position and angle of inclination of coil 3, and position and angle information are fed back into controller 6, if controller judge first coil 4 with
Second coil, 3 misalignment, then 6 control machinery arm of controller make 7 up and down of mechanical arm, move to left, move to right, rotating, make
First coil 4 is obtained close to the second coil 3 and to attempt to be aligned with the second coil 3.The embodiment of the present invention it is once more emphasized that：First Line
Circle 4 and the relative position of proximity sensor 5 determine that the probe portion of proximity sensor 5 is moved with the movement of first coil 4 always
It is dynamic.Proximity sensor 5 detects 3 position of the second coil again, and the second coil position information is fed back to controller 6 again, control
Device processed again visit again so as to adjust first coil 4 and its position of proximity sensor 5, proximity sensor 5 by control machinery arm
3 position of the second coil is surveyed, if aligned, controller 6 stops the control to mechanical arm 7 and adjusts, and executes next step.
Further, controller 6 judges that first coil 4 and the second coil 3 are aligned, and the power supply for starting first coil is opened
11 are closed, charging starts.
Further, when charging midway needs to stop charging, the instruction for stopping charging being inputted, controller receives instruction
The power switch 11 of first coil is cut off afterwards, and charging stops.As thering is the instruction for restoring to charge, controller to be again started up the again below
The power switch 11 of one coil, charging continue.
Further, controller 6 receives feedback information and judges whether to fill with electricity, if when battery fills with electricity, control
Device 6 processed, which receives, ends automatically charging instruction, and controller 6 controls and disconnect the power switch 11 of first coil, and control machinery
Arm 7 so that mechanical arm 7 and first coil 4 are kept in the center, and wireless charging next time is waited for.
Finally it should be noted that：The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although
Present invention has been described in detail with reference to the aforementioned embodiments, it will be understood by those of ordinary skill in the art that：It still may be used
It is modified with the technical solution to previous embodiment, or equivalent replacement is carried out to which part or whole features；And these
Modification or replacement, the technical scope for various embodiments of the present invention that it does not separate the essence of the corresponding technical solution, belongs to this hair
Bright protection domain.
Claims (9)
1. a kind of Intelligent wireless power charging system, including transmitting module, receiving module, which is characterized in that further include controller and oneself
Dynamic alignment modules；Wherein, the controller for control the transmitting module and it is described be automatically aligned to module, it is described to be automatically aligned to
Module is used to adjust the relative position of the transmitting module and the receiving module.
2. Intelligent wireless power charging system according to claim 1, it is characterised in that：
The transmitting module includes magnetic core, the first rectifier, DC-DC converter, inverter, the first compensating electric capacity, first coil
And the power switch of first coil；
The receiving module includes the second coil, the second compensating electric capacity, the second rectifier, battery；
The module that is automatically aligned to includes mechanical arm, proximity sensor；
Described controller is connect with the transmitting module, and the controller is connect with the module that is automatically aligned to；
First coil is combined with magnetic core, for the first coil to be weakened back to second coil side magnet density,
Second coil side magnetic flux density described in the face of the first coil is reinforced；
It is equipped on the mechanical arm after first compensating electric capacity is in parallel with the first coil, the magnetic core is equipped on institute
It states on mechanical arm.
3. Intelligent wireless power charging system according to claim 2, which is characterized in that the proximity sensor and described first
The relative position of coil is indeclinable.
4. Intelligent wireless power charging system according to claim 2, which is characterized in that the first rectification in the transmitting module
Device, DC-DC converter, inverter are connected in turn, and the first coil is connect with the inverter.
5. intelligent radio charging according to claim 2, which is characterized in that the magnetic core is inverted T-shape magnetic core or E shapes
Magnetic core.
6. Intelligent wireless power charging system according to claim 2, which is characterized in that the power switch of the first coil with
Controller connects.
7. Intelligent wireless power charging system according to claim 2, which is characterized in that the DC-DC converter and controller
Connection, the mechanical arm are connect with controller, and the proximity sensor is connect with controller.
8. Intelligent wireless power charging system according to claim 2, which is characterized in that second coil is mended with described second
Capacitance parallel connection is repaid, second coil is connect with second rectifier, and second rectifier is connect with the battery.
9. according to the Intelligent wireless power charging system described in claim 1 or claim 2, which is characterized in that the transmitting mould
The intrinsic frequency of block is equal to the intrinsic frequency of the receiving module, and the intrinsic frequency of the transmitting module, which is equal to, flows through first coil
Electric current frequency.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810526394.2A CN108711949A (en) | 2018-05-24 | 2018-05-24 | Intelligent wireless power charging system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810526394.2A CN108711949A (en) | 2018-05-24 | 2018-05-24 | Intelligent wireless power charging system |
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| Publication Number | Publication Date |
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| CN108711949A true CN108711949A (en) | 2018-10-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810526394.2A Pending CN108711949A (en) | 2018-05-24 | 2018-05-24 | Intelligent wireless power charging system |
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| CN (1) | CN108711949A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111130299A (en) * | 2019-12-31 | 2020-05-08 | 武汉理工大学 | Linear motion device based on resonant magnetic coupling wireless energy transfer technology and control method |
| CN112230021A (en) * | 2019-07-15 | 2021-01-15 | 中惠创智无线供电技术有限公司 | Test bench for wireless power supply test system |
| CN112332558A (en) * | 2020-11-27 | 2021-02-05 | 亿嘉和科技股份有限公司 | Wireless charging system and method |
| CN118399580A (en) * | 2024-07-01 | 2024-07-26 | 四川中威能电力科技有限公司 | Smart electric meter based on multiple power supplies and power supply control method |
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| CN104868552A (en) * | 2015-05-29 | 2015-08-26 | 百度在线网络技术（北京）有限公司 | Wireless charging method, device and system |
| CN106602742A (en) * | 2016-12-21 | 2017-04-26 | 武汉大学 | Wireless charging system for backpack embedded energy storage device and the control method thereof |
| CN208158240U (en) * | 2018-05-24 | 2018-11-27 | 闵应昌 | Intelligent wireless power charging system |
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- 2018-05-24 CN CN201810526394.2A patent/CN108711949A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104868552A (en) * | 2015-05-29 | 2015-08-26 | 百度在线网络技术（北京）有限公司 | Wireless charging method, device and system |
| CN106602742A (en) * | 2016-12-21 | 2017-04-26 | 武汉大学 | Wireless charging system for backpack embedded energy storage device and the control method thereof |
| CN208158240U (en) * | 2018-05-24 | 2018-11-27 | 闵应昌 | Intelligent wireless power charging system |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112230021A (en) * | 2019-07-15 | 2021-01-15 | 中惠创智无线供电技术有限公司 | Test bench for wireless power supply test system |
| CN111130299A (en) * | 2019-12-31 | 2020-05-08 | 武汉理工大学 | Linear motion device based on resonant magnetic coupling wireless energy transfer technology and control method |
| CN112332558A (en) * | 2020-11-27 | 2021-02-05 | 亿嘉和科技股份有限公司 | Wireless charging system and method |
| CN112332558B (en) * | 2020-11-27 | 2023-05-12 | 亿嘉和科技股份有限公司 | Wireless charging system and method |
| CN118399580A (en) * | 2024-07-01 | 2024-07-26 | 四川中威能电力科技有限公司 | Smart electric meter based on multiple power supplies and power supply control method |
| CN118399580B (en) * | 2024-07-01 | 2024-08-27 | 四川中威能电力科技有限公司 | Smart electric meter based on multiple power supplies and power supply control method |
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