CN106602742B - Knapsack embeds energy storage device wireless charging system and its control method - Google Patents
Knapsack embeds energy storage device wireless charging system and its control method Download PDFInfo
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- CN106602742B CN106602742B CN201611194064.5A CN201611194064A CN106602742B CN 106602742 B CN106602742 B CN 106602742B CN 201611194064 A CN201611194064 A CN 201611194064A CN 106602742 B CN106602742 B CN 106602742B
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- 238000004146 energy storage Methods 0.000 title claims abstract description 35
- 238000000034 method Methods 0.000 title claims abstract description 18
- 238000001514 detection method Methods 0.000 claims abstract description 40
- 230000007246 mechanism Effects 0.000 claims abstract description 29
- 229910001416 lithium ion Inorganic materials 0.000 claims abstract description 15
- 239000010409 thin film Substances 0.000 claims abstract description 15
- 238000004891 communication Methods 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 5
- 239000000758 substrate Substances 0.000 claims description 5
- 230000005611 electricity Effects 0.000 claims description 4
- 229910052751 metal Inorganic materials 0.000 claims description 4
- 239000002184 metal Substances 0.000 claims description 4
- 239000007773 negative electrode material Substances 0.000 claims description 3
- 230000009467 reduction Effects 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 abstract description 10
- 238000005516 engineering process Methods 0.000 abstract description 8
- 238000003780 insertion Methods 0.000 abstract description 3
- 230000037431 insertion Effects 0.000 abstract description 3
- 230000008569 process Effects 0.000 abstract description 3
- 238000011217 control strategy Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 229910010226 Li2Mn2O4 Inorganic materials 0.000 description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 2
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 239000003792 electrolyte Substances 0.000 description 2
- 229910052744 lithium Inorganic materials 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 201000001880 Sexual dysfunction Diseases 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 238000010892 electric spark Methods 0.000 description 1
- 230000005670 electromagnetic radiation Effects 0.000 description 1
- 239000010408 film Substances 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 238000004377 microelectronic Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 231100000872 sexual dysfunction Toxicity 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
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- H02J7/025—
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
-
- 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
- H02J15/00—Systems for storing electric energy
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Power Engineering (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention discloses a kind of knapsacks to embed energy storage device wireless charging system and its control method, including transmitting unit and receiving unit, transmitting unit further comprises the first AC-DC module, DC-DC module, high-frequency inversion module, the first controller, the first detection circuit, the second detection circuit and trigger mechanism；Receiving unit further comprises receiving mechanism, the second AC-DC module, third detection circuit, second controller and energy-storage units, and energy-storage units are solid-State Thin Film Li-Ion Batteries.The present invention realizes the wireless charging of charger baby using magnet coupled resonant type wireless electric energy transmission technology, significantly simplifies charging process, can effectively avoid and do not embed the case where energy-storage units charge to knapsack because of forgetting, optimizes user experience.In addition, realizing the micromation and lightness of energy-storage units as energy-storage units using solid-State Thin Film Li-Ion Batteries, while in convenient for insertion knapsack, backpack weight also can reduce.
Description
Technical field
The present invention relates to magnet coupled resonant type wireless electric energy transmission technology and solid-State Thin Film Li-Ion Batteries, more particularly to
A kind of knapsack embeds energy storage device wireless charging system and its control method.
Background technique
According to transporting mechanism difference, wireless power transmission technology is mainly divided into four kinds of forms: electromagnetic radiation formula, electric field coupling
Box-like, magnet coupled resonant type and ultrasonic wave-coupled formula.The present invention is based on magnet coupled resonant type electric energy transmission technologies.Magnetic coupling resonance
Formula is able to achieve electric energy biggish transimission power and efficiency of transmission in when remote transmission range, and centre is not by non-magnetic sexual dysfunction
The influence of object is a kind of novel radio electric energy transmission technology having a extensive future.
The basic principle of magnet coupled resonant type wireless electric energy transmission technology are as follows: direct current is converted by high-frequency inverter circuit
For high-frequency alternating current, two lateral coils of transmitting terminal and receiving end are issued in the cooperation of compensating electric capacity is born from resonance, makes wire loop
Impedance value reaches minimum so that most of energy vibrates back and forth between capacitor and inductance, and at the same time by coil to
Outer emitted energy receives energy from the external world.
Traditional contact charging modes are compared to, can be succeeded using magnet coupled resonant type wireless electric energy transmission technology
Ground avoids the mechanical wear of the junction as caused by the plug repeatedly of charging equipment, leads to poor contact.Simultaneously as non-connect
The characteristic of touching, can avoid in conventional contact charging process charger when connect with power supply generation electric spark and caused by potential danger
Danger.
As electronic device constantly develops to micromation, lightweight direction, the chemical cell of an urgent demand microsize.It is special
It is not the needs of micro-electronic mechanical system technique development, micro cell has caused people's attention.Because lithium is most light metal,
Electronegativity is maximum simultaneously, is capable of providing high-energy-density.Also, compared with traditional storage battery, solid-State Thin Film Li-Ion Batteries are prominent
Unicity, the thick and heavy property in cell shapes are broken, thickness can reach a micron order of magnitude.Traditional lithium can also be thoroughly solved simultaneously
The safety problem of battery.In addition, organic solid-State Thin Film Li-Ion Batteries that can be made on soft substrate have can soft characteristic, can
It applies in the occasion for needing shape bending function.
Summary of the invention
The object of the present invention is to provide a kind of portable and safe and efficient knapsack embed energy storage device wireless charging system and
Its control method.
The technical scheme adopted by the invention is that:
A kind of embedded energy storage device wireless charging system of knapsack, including transmitting unit and receiving unit；
The transmitting unit further comprises the first AC-DC module, DC-DC module, high-frequency inversion module, the first control
Device, the first detection circuit, the second detection circuit and trigger mechanism, the first AC-DC module, DC-DC module, high-frequency inversion module,
Trigger mechanism is sequentially connected；First detection circuit connects the input terminal of high-frequency inversion module, for detecting high-frequency inversion module
The electric current of low-voltage direct side；Second detection circuit connects the output end of high-frequency inversion module, for detecting high-frequency inversion module
The electric current of high-frequency ac side；The input terminal of first controller connects the first detection circuit, the second detection circuit, the first controller
Output end connects DC-DC module, and the first controller connects high-frequency inversion module by driver；
The receiving unit further comprises receiving mechanism, the second AC-DC module, third detection circuit, the second control
Device and energy-storage units, receiving mechanism, the second AC-DC module, energy-storage units are sequentially connected, and third detection circuit connects the 2nd AC-
The output end of DC module, for detecting the real-time configuration information of energy-storage units and communication protocol；The output end of third detection circuit
Second controller is connected, energy-storage units are solid-State Thin Film Li-Ion Batteries.
Further, trigger mechanism is in series by the first compensating electric capacity circuit and transmitting coil.
Further, receiving mechanism is in series by the second compensating electric capacity and receiving coil.
Further, the output end connection communication signal modulation circuit of second controller.
Further, the second detection circuit further comprises current transformer, real available value chip and converter, electric current
Mutual inductor, real available value chip, converter are sequentially connected.
Further, solid-State Thin Film Li-Ion Batteries be based on it is organic can soft substrate full solid thin film lithium-ion electric
Pond, with amorphous Li2Mn2O4For positive electrode, with amorphous V2O5For negative electrode material, with amorphous Li3PO4-yNy
For electrolyte, using metal V as collector material.
Above-mentioned knapsack embeds the control method of energy storage device wireless charging system, comprising:
(1) high-frequency inversion module starts, and the output frequency that the first controller controls high-frequency inverter is prediction resonance frequency
Value f1；
(2) second detection circuits detect the transmitting coil electric current i1 of trigger mechanism under working frequency f1；
(3) first controllers are increased the output frequency of high-frequency inverter by preset step-length, the output frequency value note after increase
For f, the second detection circuit detects the transmitting coil electric current i of trigger mechanism under working frequency f；
(4) first controllers compare the absolute difference of i1 and i and the size of preset threshold, if absolute difference is less than in advance
If threshold value, finishing control；Otherwise, the first controller continues to judge the size of i1 and i, if i > i1, enables i1=i, f1=f, returns to step
Suddenly (3)；Otherwise, step (5) are executed；
(5) first controllers are reduced the output frequency of high-frequency inverter by preset step-length, the output frequency value note after reduction
For f ', the second detection circuit detects the transmitting coil electric current i ' of trigger mechanism under working frequency f '；
(6) first controllers compare i1 and i ' absolute difference and preset threshold size, if absolute difference is less than
Preset threshold, finishing control；Otherwise, the first controller judges i1 and i ' size enable i1=i', f1=f ' if i ' < i1, return
Step (5)；Otherwise, step (3) are executed.
Compared to the prior art, the invention has the advantages that and the utility model has the advantages that
(1) receiving unit is embedded in knapsack the diversification, it can be achieved that backpack function, solves mobile phone in life, puts down
The inconvenient problem of the charging of the low power electric appliances such as plate computer, has very strong practicability.
(2) wireless charging that energy-storage units are realized using magnet coupled resonant type wireless electric energy transmission technology, is greatly simplified
Charging process, can effectively avoid and do not embed the case where energy-storage units charge to knapsack because of forgetting, optimize user's body
It tests, has positive meaning to the popularization in later period.
(3) using solid-State Thin Film Li-Ion Batteries as energy-storage units, the micromation of energy-storage units and light-duty is realized
Change, while in convenient for insertion knapsack, also can reduce backpack weight.Using it is organic can make on soft substrate it is all solid state thin
Film lithium ion battery, so that the energy-storage units of insertion knapsack have the function of shape bending.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of transmitting unit；
Fig. 2 is the structural schematic diagram of receiving unit；
Fig. 3 is the specific schematic diagram of the second detection circuit and its connection relationship；
Fig. 4 is energy-storage units cross-sectional view of the present invention；
Fig. 5 is the control strategy flow chart of the first controller.
In figure, the first AC-DC module of 1-, 2- DC-DC module, 3- high-frequency inversion module, the first controller of 4-, 5- first
Detection circuit, the second detection circuit of 6-, 7- trigger mechanism, 8- receiving mechanism, the second AC-DC module of 9-, 10- third detection electricity
Road, 11- second controller, 12- signal of communication modulation circuit, 13- energy-storage units.
Specific embodiment
Below in conjunction with attached drawing, detailed description of the preferred embodiments.
Referring to Fig. 1, in transmitting unit, the first AC-DC module 1 is used to be direct current commercial power rectification, and DC-DC module 2 is used
To stablize preceding step voltage, and preceding step voltage is converted into voltage needed for post-module；High-frequency inversion module 3 is in the first controller 4
Under the driving of the pwm signal of output, the direct current that DC-DC module 2 exports is converted into high-frequency alternating current, and pass through trigger mechanism
7 high-frequency alternating currents are launched.First detection circuit 5 and the second detection circuit 6 detect the low pressure of high-frequency inversion module 3 respectively
The electric current of DC side and high-frequency ac side, and will test after electric current is converted to voltage signal and be sent to the first controller 4.First control
Device 4 processed is according to signal control DC-DC module 2 and high-frequency inversion module 3 is received, to guarantee working frequency in receiving coil and transmitting
Near the resonance frequency of coil.The control strategy of first controller 4 is shown in Fig. 5.For convenience of picture, two the first controllers 4 in Fig. 1
It is signified identical.
Referring to fig. 2, in receiving unit, the energy of 8 receiver/transmitter structure 7 of receiving mechanism transmitting, and exported to rear class.Second
High-frequency alternating current rectification is become direct current by AC-DC module 9, is charged for energy-storage units 13.Third detection circuit 10 detects
To energy-storage units 13 real-time status and send second controller 11 to, the real-time status of the energy-storage units 13 includes energy storage
The real-time configuration information and communication protocol of unit 13.Second controller 11 is also connected with signal of communication modulation circuit 12, receives
The real-time status of energy-storage units 13 can be sent to control centre by signal of communication modulation circuit 12.
Referring to Fig. 3, a kind of specific second detection circuit 6 is by the current transformer, the real available value chip, AD that are sequentially connected
Converter is constituted.Wherein, current transformer is used to detect the electric current of high-frequency inversion module high-frequency ac side, i.e., in trigger mechanism 7
Electric current, and output voltage signal obtain virtual value by real available value chip.A/D converter is digital quantity RMS-DC converter
It is sent to the first controller 4.First controller 4 controls DC-DC module 2 and high-frequency inversion module 3, to guarantee transmitting coil electric current
Virtual value be always maximum value, can allow wireless charging system work near resonance frequency.
The energy-storage units of the present embodiment be based on it is organic can soft substrate solid-State Thin Film Li-Ion Batteries, have can soft spy
Property.Referring to fig. 4, the solid-State Thin Film Li-Ion Batteries are with amorphous Li2Mn2O4For positive electrode, with amorphous V2O5For
Negative electrode material, with amorphous Li3PO4-yNyFor electrolyte, using metal V as collector material.Can have with noncrystalline membrane
Prevent film separation and fracture caused by internal stress to effect.
Referring to Fig. 5, the control strategy of the first controller are as follows:
(1) high-frequency inversion module 3 starts, and the output frequency of the first controller 4 control high-frequency inverter 3 is given prediction
Resonant frequency value f1, i.e. working frequency；
(2) second detection circuits 5 detect the transmitting coil electric current i1 of trigger mechanism 7 under working frequency f1；
(3) first controllers 4 are increased the output frequency of high-frequency inverter 3, the output frequency value after increase by preset step-length
It is denoted as f, the second detection circuit 5 detects the transmitting coil electric current i of trigger mechanism 7 under working frequency f；
(4) first controllers 4 compare the absolute difference of i1 and i and the size of preset threshold, if absolute difference is less than
Preset threshold, finishing control；Otherwise, the first controller 4 judges the size of i1 and i, if i > i1, enables i1=i, f1=f, returns to step
Suddenly (3)；Otherwise, step (5) are executed；
(5) first controllers 4 are reduced the output frequency of high-frequency inverter 3, the output frequency value after reduction by preset step-length
It is denoted as f ', the second detection circuit 5 detects the transmitting coil electric current i ' of trigger mechanism 7 under working frequency f '；
(6) first controllers 4 compare i1 and i ' absolute difference and preset threshold size, if absolute difference is less than
Preset threshold, finishing control；Otherwise, the first controller 4 judges i1 and i ' size enable i1=i', f1=f ' if i ' < i1, return
Step (5)；Otherwise, step (3) are executed.
Claims (6)
1. a kind of knapsack embeds the control method of energy storage device wireless charging system, it is characterized in that:
It includes transmitting unit and receiving unit that the knapsack, which embeds energy storage device wireless charging system, and the transmitting unit is into one
Step includes the first AC-DC module, DC-DC module, high-frequency inversion module, the first controller, the first detection circuit, the second detection electricity
Road and trigger mechanism；First AC-DC module, DC-DC module, high-frequency inversion module, trigger mechanism are sequentially connected；First detection electricity
Road connect high-frequency inversion module input terminal, for detect high-frequency inversion module low-voltage direct side electric current；Second detection electricity
Road connect high-frequency inversion module output end, for detect high-frequency inversion module high-frequency ac side electric current；First controller
Input terminal connect the first detection circuit, the second detection circuit, the output end of the first controller connects DC-DC module, the first control
Device processed connects high-frequency inversion module by driver；
The receiving unit further comprise receiving mechanism, the second AC-DC module, third detection circuit, second controller and
Energy-storage units；Receiving mechanism, the second AC-DC module, energy-storage units are sequentially connected, and third detection circuit connects the 2nd AC-DC mould
The output end of block, for detecting the real-time configuration information of energy-storage units and communication protocol；The output end of third detection circuit connects
Second controller, energy-storage units are solid-State Thin Film Li-Ion Batteries；
The control method includes:
(1) high-frequency inversion module starts, and the output frequency that the first controller controls high-frequency inverter is prediction resonant frequency value f1；
(2) second detection circuits detect the transmitting coil electric current i1 of trigger mechanism under working frequency f1；
(3) first controllers are increased the output frequency of high-frequency inverter by preset step-length, and the output frequency value after increase is denoted as f,
Second detection circuit detects the transmitting coil electric current i of trigger mechanism under working frequency f；
(4) first controllers compare the absolute difference of i1 and i and the size of preset threshold, if absolute difference is less than default threshold
Value, finishing control；Otherwise, the first controller continues to judge the size of i1 and i, if i > i1, enables i1=i, f1=f, return step
(3)；Otherwise, step (5) are executed；
(5) first controllers are reduced the output frequency of high-frequency inverter by preset step-length, and the output frequency value after reduction is denoted as f ',
Second detection circuit detects the transmitting coil electric current i ' of trigger mechanism under working frequency f '；
(6) first controllers compare i1 and i ' absolute difference and preset threshold size, if absolute difference be less than it is default
Threshold value, finishing control；Otherwise, the first controller judges i1 and i ' size enable i1=i', f1=f ' if i ' < i1, return to step
Suddenly (5)；Otherwise, step (3) are executed.
2. control method as described in claim 1, it is characterized in that:
The trigger mechanism is in series by the first compensating electric capacity circuit and transmitting coil.
3. control method as described in claim 1, it is characterized in that:
The receiving mechanism is in series by the second compensating electric capacity and receiving coil.
4. control method as described in claim 1, it is characterized in that:
The output end connection communication signal modulation circuit of the second controller.
5. control method as described in claim 1, it is characterized in that:
Second detection circuit further comprises current transformer, real available value chip and converter；Current transformer,
Real available value chip, converter are sequentially connected.
6. control method as described in claim 1, it is characterized in that:
The solid-State Thin Film Li-Ion Batteries be based on it is organic can soft substrate solid-State Thin Film Li-Ion Batteries, with non-
The Li of crystalline state2Mn2O4For positive electrode, with amorphous V2O5For negative electrode material, with amorphous Li3PO4-yNyTo be electrolysed material
Material, using metal V as collector material.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611194064.5A CN106602742B (en) | 2016-12-21 | 2016-12-21 | Knapsack embeds energy storage device wireless charging system and its control method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611194064.5A CN106602742B (en) | 2016-12-21 | 2016-12-21 | Knapsack embeds energy storage device wireless charging system and its control method |
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| Publication Number | Publication Date |
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| CN106602742A CN106602742A (en) | 2017-04-26 |
| CN106602742B true CN106602742B (en) | 2019-07-23 |
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| CN201611194064.5A Active CN106602742B (en) | 2016-12-21 | 2016-12-21 | Knapsack embeds energy storage device wireless charging system and its control method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108711949A (en) * | 2018-05-24 | 2018-10-26 | 闵应昌 | Intelligent wireless power charging system |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101888103A (en) * | 2009-05-14 | 2010-11-17 | 复旦大学 | Non-contact radio-frequency charging device for charging film cell |
| CN104517940A (en) * | 2013-09-26 | 2015-04-15 | 英飞凌科技股份有限公司 | Integrated circuit structure and battery structure |
| CN204886371U (en) * | 2015-08-27 | 2015-12-16 | 厦门新页科技有限公司 | Radio charger |
-
2016
- 2016-12-21 CN CN201611194064.5A patent/CN106602742B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101888103A (en) * | 2009-05-14 | 2010-11-17 | 复旦大学 | Non-contact radio-frequency charging device for charging film cell |
| CN104517940A (en) * | 2013-09-26 | 2015-04-15 | 英飞凌科技股份有限公司 | Integrated circuit structure and battery structure |
| CN204886371U (en) * | 2015-08-27 | 2015-12-16 | 厦门新页科技有限公司 | Radio charger |
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