CN104124770B - Multi-load control method based on radio energy transmission system and system - Google Patents
Multi-load control method based on radio energy transmission system and system Download PDFInfo
- Publication number
- CN104124770B CN104124770B CN201310156887.9A CN201310156887A CN104124770B CN 104124770 B CN104124770 B CN 104124770B CN 201310156887 A CN201310156887 A CN 201310156887A CN 104124770 B CN104124770 B CN 104124770B
- Authority
- CN
- China
- Prior art keywords
- load
- resonant element
- transmitting terminal
- mcu
- communication channel
- 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.)
- Active
Links
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
- H02J50/40—Circuit arrangements or systems for wireless supply or distribution of electric power using two or more transmitting or receiving devices
-
- 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
- H02J50/80—Circuit arrangements or systems for wireless supply or distribution of electric power involving the exchange of data, concerning supply or distribution of electric power, between transmitting devices and receiving devices
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Power Engineering (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
The invention discloses a kind of multi-load control method and system based on radio energy transmission system, the method includes：The communication channel of transmission data between transmitting terminal MCU and multiple resonant elements is distributed into each resonant element by time slot in advance；Multiple receiving terminals obtain its load information and are sent to the resonant element of coupled transmitting terminal respectively；The communication channel is switched to resonant element corresponding with current time slots by transmitting terminal MCU；The load information that corresponding resonant element receives is read by the communication channel, and buffering area is arrived into storage after the load information and the binding of coupled resonant element；Transmitting terminal MCU reads the data of buffering area and is parsed, and the working condition of corresponding resonant element is adjusted according to analysis result.The present invention realizes that the validity that single-channel communication channel loads multipath reception end is detected by switching at runtime communication channel, and then realizes the power output control of multi-load, optimizes radio energy transmission system.
Description
Technical field
The present invention relates to wireless power transmission technical field more particularly to a kind of more bearing based on radio energy transmission system
Carry control method and system.
Background technology
For based on the radio energy transmission system under inductively coupled power transfer technology, more receiving terminals can be carried out at the same time
The transmitting terminal general structure design of the radio energy transmission system of charging is complicated, and is influenced by communication channel, often increases by one and connects
Receiving end will increase communication channel all the way for circuit system and make other larger changes, poor expandability.
The transmitting terminal of the existing radio energy transmission system for supporting multipath reception end, since each road cannot be accurately identified
The validity of load cannot exclude foreign matter, and when payload charging finish, can not also stop in time, cause energy dissipation.
Transmitting terminal for the radio energy transmission system for realizing multi-load control, needs independent design to be returned per resonance all the way
Simultaneously communication channel is arranged for per resonant tank all the way in road, occupies valuable MCU (Micro Controller Unit, microcontroller
Device) I/O resources.This design, which often increases to load all the way, can all increase many costs, and complicated and circuit is bulky, unfavorable
In practical operation and implementation.
Invention content
It is an object of the invention to propose a kind of multi-load control method and system based on radio energy transmission system, lead to
Switching at runtime communication channel is crossed, detects communication data in real time, realizes the multi-load control of radio energy transmission system.
For this purpose, the present invention uses following technical scheme：
A kind of multi-load control method based on radio energy transmission system, including：
A. the communication channel of transmission data between transmitting terminal MCU and multiple resonant elements is distributed to by time slot in advance each
Resonant element；Multiple receiving terminals corresponding with transmitting terminal obtain its load information and are sent to coupled transmitting terminal respectively
Resonant element；
B. the communication channel is switched to resonant element corresponding with current time slots by transmitting terminal MCU in a manner of poll；
The load information that corresponding resonant element receives is read by the communication channel, and by the load information and coupled
Buffering area is arrived in storage after resonant element binding；
C. whether the complete all resonant elements of poll, if it is not, return to step b；If so, entering in next step；
D. transmitting terminal MCU reads the data of buffering area and is parsed, and adjusts corresponding resonant element according to analysis result
Working condition, so that all resonant elements is operated in state corresponding with the receiving terminal load respectively coupled respectively.
Wherein, the resonant element is made of multiple transmitting coils；
The communication channel is in time nt, at least transmission data 2n times, primary to ensure at least to receive in each time t
The load information that receiving terminal is sent；Wherein n is the quantity of receiving terminal corresponding with the transmitting terminal, and t is the time of a time slot
Length.
Wherein, in the step a, it is concurrent that multiple receiving terminals corresponding with transmitting terminal obtain its load information respectively
The resonant element for giving coupled transmitting terminal is specially：
Multiple receiving terminals corresponding with transmitting terminal obtain its load information and are modulated at predetermined regular respectively,
The resonant element of coupled transmitting terminal is sent to after modulation in a manner of binary coding.
Wherein, the load letter that corresponding resonant element receives is read by the communication channel described in the step b
Breath, and be specially to buffering area by storage after the load information and the binding of coupled resonant element：
Transmitting terminal MCU is read by the communication channel in the load information to MCU I/O that corresponding resonant element receives,
Trigger MCU interruption；
The load information is demodulated, and the coupled resonant element of the load information after demodulation is bound, is deposited
In storage to buffering area.
Wherein, the step d is specifically included：
Transmitting terminal MCU reads the data of buffering area and is parsed；
If it is standby mode to parse load, the output power for adjusting corresponding resonant element is needed for load standby mode
Minimum power；
If it is unrecognizable load to parse load, enter remained capacity flow, controls corresponding resonant element and stop
Output power；
If it is charged state to parse load, enter electric energy transfer process, controls corresponding resonant element to load transmission
Electric energy；
If parsing load full of electricity condition, to enter flow at full capacity, controls corresponding resonant element and stop output work
Rate.
Wherein, the load information includes ID, power and the temperature of load.
Second aspect of the present invention provides a kind of multi-load control system based on radio energy transmission system, including：
Data capture unit, load information for obtaining multiple receiving terminals corresponding with transmitting terminal and be sent to it is described
The resonant element for the transmitting terminal that receiving terminal respectively couples；
MCU control unit, in a manner of poll by between transmitting terminal MCU and multiple resonant elements transmission data it is logical
Letter channel is switched to resonant element corresponding with current time slots；Read what corresponding resonant element received by the communication channel
Load information, and buffering area is arrived into storage after the load information and the binding of coupled resonant element；
Adjustment unit, for when the complete all resonant elements of MCU control unit poll, reading the data of buffering area and progress
Parsing, and adjust according to analysis result the working condition of corresponding resonant element, make all resonant elements be operated in respectively with respectively
The receiving terminal of coupling loads corresponding state.
Wherein, the communication channel distributes to each resonant element by time slot in advance, and the communication channel is in time nt
It is interior, at least transmission data 2n times, to ensure at least to receive the load information of receiving terminal transmission in each time t；Wherein n is
The quantity of receiving terminal corresponding with the transmitting terminal, t are the time span of a time slot.
Wherein, the resonant element is made of multiple transmitting coils.
Wherein, the MCU control unit specifically includes：
Interruption control module is arrived for reading the load information that corresponding resonant element receives by the communication channel
In MCU I/O, MCU interruption is triggered；
Cache module, for being demodulated to the load information, and by coupled humorous of the load information after demodulation
The unit that shakes is bound, and is stored into buffering area；
The adjustment unit specifically includes：
Parsing module reads the data of buffering area for transmitting terminal MCU and is parsed；
The first adjustment module adjusts the output power of corresponding resonant element if being standby mode for parsing load
For the minimum power needed for load standby mode；
Second adjustment module enters remained capacity flow, control if being unrecognizable load for parsing load
Corresponding resonant element stops output power；
Third adjusts module, if being charged state for parsing load, enters electric energy transfer process, control correspondence is humorous
Unit shake to load transmission electric energy；
4th adjustment module, if for parsing load full of electricity condition, to enter flow at full capacity, control correspondence is humorous
The unit that shakes stops output power.
The present invention realizes that single-channel communication channel is realized by switching at runtime communication channel and loads validity to multipath reception end
It is detected, foreign matter will not trigger system work, and then realize the power output control of multi-load, and realize to multipath reception end
Real-time detection, can detecting real-time to receiving terminal current state (work, mobile, remove etc.).Moreover, the present invention is by simply adjusting
Whole power, inverter circuit design, expansible more load numbers optimize radio energy transmission system.
Description of the drawings
Fig. 1 shows the multi-load control circuit schematic diagram based on radio energy transmission system of the embodiment of the present invention；
Fig. 2 shows be the present invention the multi-load control method based on radio energy transmission system an embodiment reality
Existing flow chart；
Fig. 3 A show the arrangement schematic diagram of the transmitting coil of the present invention；
Fig. 3 B show that the communication channel of the present invention distributes schematic diagram by time slot；
Fig. 4 A show the another embodiment of the multi-load control method the present invention is based on radio energy transmission system
Implementation flow chart；
Fig. 4 B show another embodiment of the multi-load control method the present invention is based on radio energy transmission system
Implementation flow chart；
Fig. 4 C show another embodiment party of the multi-load control method based on radio energy transmission system of the present invention
The implementation flow chart of formula；
Fig. 5 shows the structure of an embodiment of the multi-load control system the present invention is based on radio energy transmission system
Figure.
Specific implementation mode
Technical solution to further illustrate the present invention below with reference to the accompanying drawings and specific embodiments.
Fig. 1 shows the multi-load control circuit schematic diagram based on radio energy transmission system of the embodiment of the present invention,
As shown in Figure 1, in multi-load control system MCU passes through induced electricity perhaps coil according to the feedback of resonant element selection circuit
The voltage change at both ends is closed or disconnects coil, and controls DC/AD inverter circuits (full-bridge inverting) and be powered to coil.
The specific workflow of multi-load control system is in the embodiment of the present invention：Transmitting terminal is by coil in changes of magnetic field
The energy of generation is rectified to power for receiving terminal afterwards, and receiving terminal is sent to transmitting terminal after modulating communication data according to pre-defined rule；
Meanwhile the coil in work is sequentially connected to communicating circuit (i.e. communication channel) by MCU communication controls selection circuit, and to above-mentioned
Communication data carries out demodulation operation, is adjusted inverter circuit output according to the communication data MCU after demodulation or to close certain road humorous
It shakes the operation of unit.Resonant element in the embodiment of the present invention is that receiving terminal load couples to be formed with transmitting end-coil.
As shown in Fig. 2, the multi-load control method based on radio energy transmission system of the present invention includes the following steps S1-
S4。
Step S1, the communication channel of transmission data between transmitting terminal MCU and multiple resonant elements is distributed by time slot in advance
To each resonant element；Multiple receiving terminals corresponding with transmitting terminal obtain its load information and are sent to coupled hair respectively
Penetrate the resonant element at end.
Wherein, the resonant element is made of multiple transmitting coils；As shown in Figure 3A, a kind of row of transmitting coil is illustrated
Row mode, every four transmitting coils work as a resonant element, share a set of communication selection circuit.In this way, even if
When transmitting coil is more, the poll of all resonant elements of completion that can also be quickly.
Wherein, as shown in Figure 3B, the communication channel distributes to each resonant element concrete mode by time slot and is：
The communication channel is in time nt, at least transmission data 2n times, primary to ensure at least to receive in each time t
The load information that receiving terminal is sent；Wherein n is the quantity of receiving terminal corresponding with the transmitting terminal, and t is the time of a time slot
Length.
Preferably, multiple receiving terminals corresponding with transmitting terminal obtain its load information and are sent to and its coupling respectively
The resonant element of the transmitting terminal of conjunction is specially：Multiple receiving terminals corresponding with transmitting terminal obtain its load information and press respectively
Scheduled rule is modulated, and is sent to the resonant element of coupled transmitting terminal after modulation in a manner of binary coding.It adopts
With binary-coded transmission mode, code length is shorter, extendibility is strong.Step S2, transmitting terminal MCU will be described logical in a manner of poll
Letter channel is switched to resonant element corresponding with current time slots；Read what corresponding resonant element received by the communication channel
Load information, and buffering area is arrived into storage after the load information and the binding of coupled resonant element.
The load information includes ID, power and the temperature of load.
In the present embodiment, transmitting terminal MCU reads the load information that corresponding resonant element receives by the communication channel
Into MCU I/O, MCU interruption is triggered；The load information is demodulated, and the load information after demodulation is coupled
Resonant element is bound, and is stored into buffering area.
Step S3, whether the complete all resonant elements of poll, if it is not, return to step S2；If so, entering in next step.Ensure every
Transmitting terminal all can at least receive the load information that a receiving terminal sends in a time slot t.
Step S4, transmitting terminal MCU reads the data of buffering area and is parsed, and adjusts corresponding resonance according to analysis result
The working condition of unit makes all resonant elements be operated in state corresponding with the receiving terminal load respectively coupled respectively.
In the present embodiment, transmitting terminal MCU reads the data of buffering area and is parsed；If it is standby shape to parse load
State, the then output power for adjusting corresponding resonant element are the minimum power loaded needed for standby mode；If parsing load as not
Identifiable load then enters remained capacity flow, controls corresponding resonant element and stops output power；If parsing load to fill
Electricity condition then enters electric energy transfer process, controls corresponding resonant element to load transmission electric energy；If it is fully charged to parse load
State then enters flow at full capacity, controls corresponding resonant element and stops output power.
The multi-load control method described in the present embodiment is provided, after transmitting terminal and receiving terminal establish communication, MCU meeting bases are worked as
Preceding communicating circuit selection situation identifies the communication data of different receiving terminals, these data include ID, power, temperature of receiving terminal etc.
Information, and corresponding judgement, the size of the transmission power of the resonant element of adjust automatically transmitting terminal can be made according to these information.
Fig. 4 A show the another embodiment of the multi-load control method the present invention is based on radio energy transmission system
Implementation flow chart, refer to Fig. 4 A.
In step s 201, the communication data that receiving terminal is modulated according to load information is obtained.
Communication data in the step is a remained capacity signal, can be the information such as ID, power, the temperature of load.
In step S202, MCU controls communication channel is switched on pending resonant element.
In step S203, communicating circuit demodulation Current communications Data Concurrent is sent into MCU I/O, and triggering MCU interruption is simultaneously
Current communications data are parsed.
If successfully resolved thens follow the steps S204, it is to be closed to mark the resonant element；If parsing failure, thens follow the steps
S205, it is to disconnect to mark the resonant element.
S206, all resonant elements of poll, until MCU control communications are all entered step after step S204 and step S205
Dynamics of channels has switched all resonant elements.
Through the embodiment of the present invention, the infomation detection to multi-load is realized in such a way that communication channel all the way is by poll
It is controlled with power output.
In step S207, closure or opening operation are carried out to all label resonant elements.
The embodiment of the present invention switches the power output control realized to multi-load by communication channel, not only simplifies control
Circuit design, and there is very strong autgmentability, play the role of to the popularization and application of radio energy transmission system key.
Fig. 4 B show another implementation for the multi-load control method based on radio energy transmission system that the present invention supplies
Mode implementation flow chart, referring to Fig. 4 B：
In step S301, MCU controls communication channel is switched on pending label resonant element.
In step s 302, communicating circuit demodulation flag resonant element return load information (communication data) and send to
In MCU I/O, MCU interruption is triggered.
In step S303, MCU binds label resonant element where current load information and its, and stores to buffering area
In.
In step s 304, all label resonant elements of poll, until MCU controls the complete all marks of communication channel switching at runtime
Remember resonant element.
In step S305, MCU reads and parses the data in buffering area；
In step S306, closure or opening operation are carried out to label resonant element according to above-mentioned analysis result and exchanged
The whole power output to receiving terminal.
An embodiment of the present invention provides the multi-load control methods based on radio energy transmission system to transmit the stage in electric energy
Switching at runtime channel flow as the remained capacity stage, be all as based on radio energy transmission system multi-load control
One part of method major cycle flow is combined and realizes multi-load control.Such as while existing there are two payload
Work is put into third load at this time, can also be carried out identifying in charging by above-mentioned path combination until realizing all effectively negative
Carry the state worked normally.
Switching at runtime channel in the present invention is also applicable in other stages of radio energy transmission system, and reason is identical,
Its switching at runtime communication channel flow is as follows：
As needed, communication channel is switched on pending resonant element by MCU, and received by communicating circuit demodulation
All kinds of communication datas make respective handling after MCU parsings.
Fig. 4 C show another implementation process of the multi-load control method the present invention is based on radio energy transmission system
Figure；Referring to Fig. 4 C：
In step S401, closed procedure is carried out to label resonant element.
In step S402, whether the voltage or electric current that detect current markers resonant element decline, if declining, execute step
Rapid S403 switches the label resonant element to inductive loop；It is no to then follow the steps S407, it exits.
In step s 404, whether the inductance capacitance for detecting the label resonant element changes, if changing, executes
Whether step S405, detection capacitance return to initial value；It is no to then follow the steps S407, it exits.
If capacitance returns to initial value, shows that charging zone is left in receiving terminal load, then follow the steps S406, disconnect the label
Resonant element, while load number subtracts 1；It is no to then follow the steps S407, it exits.
Fig. 5 shows multi-load control system architecture figure provided by the invention, the system comprises：
Data capture unit 100, load information for obtaining multiple receiving terminals corresponding with transmitting terminal and be sent to
The resonant element for the transmitting terminal that the receiving terminal respectively couples.
Preferably, the resonant element is made of multiple transmitting coils；The communication channel is distributed to often by time slot in advance
A resonant element, and the communication channel is in time nt, at least transmission data 2n times, to ensure at least to receive in each time t
The load information sent to a receiving terminal；Wherein n is the quantity of receiving terminal corresponding with the transmitting terminal, and t is a time slot
Time span.Specifically as described in above-described embodiment, details are not described herein.
MCU control unit 200 is used for transmission data between transmitting terminal MCU and multiple resonant elements in a manner of poll
Communication channel be switched to resonant element corresponding with current time slots；Corresponding resonant element is read by the communication channel to receive
The load information arrived, and buffering area is arrived into storage after the load information and the binding of coupled resonant element；It is specific as above
It states described in embodiment, details are not described herein.
Adjustment unit 300, for when the complete all resonant elements of MCU control unit poll, reading the data of buffering area simultaneously
Parsed, and adjust the working condition of corresponding resonant element according to analysis result, make all resonant elements be operated in respectively with
The receiving terminal respectively coupled loads corresponding state.Specifically as described in above-described embodiment, details are not described herein.
Preferably, the MCU control unit 200 specifically includes：
Interruption control module 201, for reading the load information that corresponding resonant element receives by the communication channel
Into MCU I/O, MCU interruption is triggered；Specifically as described in above-described embodiment, details are not described herein.
Cache module 202, for being demodulated to the load information, and the load information after demodulation is coupled
Resonant element is bound, and is stored into buffering area.Specifically as described in above-described embodiment, details are not described herein.
The adjustment unit 300 specifically includes：
Parsing module 301 reads the data of buffering area for transmitting terminal MCU and is parsed；
The first adjustment module 302 adjusts the output work of corresponding resonant element if being standby mode for parsing load
Rate is the minimum power loaded needed for standby mode；
Second adjustment module 303 enters remained capacity flow if being unrecognizable load for parsing load,
The corresponding resonant element of control stops output power；
Third adjusts module 304, if being charged state for parsing load, enters electric energy transfer process, control pair
Answer resonant element to load transmission electric energy；
4th adjustment module 305, if being to enter flow at full capacity, control pair full of electricity condition for parsing load
Resonant element is answered to stop output power.
The specific implementation mode of above-mentioned each module can refer to described in above-described embodiment, and details are not described herein.
The embodiment of the present invention is switched by MCU dynamic control communication channels, it is sequentially connected to the resonance list of transmitting terminal
In member, the detection of multipath reception end is realized, and can realize that charging process optimizes according to the power at feedback control multipath reception end.
Dynamic channel switching mode not only reduces hardware cost, simplifies circuit design, and rely on its excellent Scalable Performance
It is enough to be popularized in wireless power transmission field.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, without departing from the principle of the present invention, it can also make several improvements and retouch, these improvements and modifications are also answered
It is considered as protection scope of the present invention.
Claims (10)
1. a kind of multi-load control method based on radio energy transmission system, which is characterized in that including：
A. the communication channel of transmission data between transmitting terminal MCU and multiple resonant elements is distributed into each resonance by time slot in advance
Unit；Multiple receiving terminals corresponding with transmitting terminal obtain its load information and are sent to the transmitting terminal coupled with receiving terminal respectively
Resonant element；
B. the communication channel is switched to resonant element corresponding with current time slots by transmitting terminal MCU in a manner of poll；Pass through
The communication channel reads the load information that corresponding resonant element receives, and coupled by the load information and with receiving terminal
Buffering area is arrived in storage after resonant element binding；
C. whether the complete all resonant elements of poll, if it is not, return to step b；If so, entering in next step；
D. transmitting terminal MCU reads the data of buffering area and is parsed, and the work of corresponding resonant element is adjusted according to analysis result
Make state, all resonant elements is made to be operated in state corresponding with the receiving terminal load respectively coupled respectively.
2. multi-load control method according to claim 1, which is characterized in that the resonant element is by multiple transmitting coils
Composition；
The communication channel is in time nt, at least transmission data 2n times, to ensure at least to receive primary reception in each time t
Hold the load information sent；Wherein n is the quantity of receiving terminal corresponding with the transmitting terminal, and t is the time span of a time slot.
3. multi-load control method according to claim 1, which is characterized in that in the step a, described and transmitting terminal
Corresponding multiple receiving terminals obtain respectively its load information and be sent to the transmitting terminal coupled with receiving terminal resonant element it is specific
For：
Multiple receiving terminals corresponding with transmitting terminal obtain its load information and are modulated at predetermined regular respectively, modulation
The resonant element of the transmitting terminal coupled with receiving terminal is sent in a manner of binary coding afterwards.
4. multi-load control method according to claim 3, which is characterized in that passing through described in the step b is described
Communication channel reads the load information that corresponding resonant element receives, and the resonance coupled by the load information and with receiving terminal
It is stored to buffering area after unit binding and is specially：
Transmitting terminal MCU is read by the communication channel in the load information to MCU I/O that corresponding resonant element receives, triggering
MCU interruption；
The load information is demodulated, and by after demodulation load information and the resonant element that is coupled with receiving terminal bind,
It stores into buffering area.
5. multi-load control method according to claim 1, which is characterized in that the step d is specifically included：
Transmitting terminal MCU reads the data of buffering area and is parsed；
If it is standby mode to parse load, the output power for adjusting corresponding resonant element is to load needed for standby mode most
Small-power；
If it is unrecognizable load to parse load, enter remained capacity flow, controls corresponding resonant element and stop output
Power；
If it is charged state to parse load, enter electric energy transfer process, controls corresponding resonant element to load transmission electric energy；
If parsing load full of electricity condition, to enter flow at full capacity, controls corresponding resonant element and stop output power.
6. multi-load control method according to claim 1, which is characterized in that the load information include load ID,
Power and temperature.
7. a kind of multi-load control system based on radio energy transmission system, which is characterized in that including：
Data capture unit, load information for obtaining multiple receiving terminals corresponding with transmitting terminal are simultaneously sent to and the reception
Hold the resonant element of the transmitting terminal respectively coupled；
MCU control unit, for being believed the communication of transmission data between transmitting terminal MCU and multiple resonant elements in a manner of poll
Road is switched to resonant element corresponding with current time slots；The load that corresponding resonant element receives is read by the communication channel
Information, and buffering area is arrived in storage after the resonant element binding coupled by the load information and with receiving terminal；
Adjustment unit, for when the complete all resonant elements of MCU control unit poll, reading the data of buffering area and being solved
Analysis, and the working condition for corresponding to resonant element is adjusted according to analysis result, so that all resonant elements is operated in respectively and each self coupling
The receiving terminal of conjunction loads corresponding state.
8. multi-load control system according to claim 7, which is characterized in that the communication channel is pressed time slot and distributed in advance
To each resonant element, and the communication channel is in time nt, at least transmission data 2n times, to ensure in each time t extremely
The load information of receiving terminal transmission is received less；Wherein n is the quantity of receiving terminal corresponding with the transmitting terminal, and t is one
The time span of time slot.
9. multi-load control system according to claim 7, which is characterized in that the resonant element is by multiple transmitting coils
Composition.
10. multi-load control system according to claim 7, which is characterized in that the MCU control unit specifically includes：
Interruption control module, for reading load information that corresponding resonant element receives to MCU I/ by the communication channel
In O, MCU interruption is triggered；
Cache module, for being demodulated to the load information, and by after demodulation load information and couple with receiving terminal
Resonant element is bound, and is stored into buffering area；
The adjustment unit specifically includes：
Parsing module, data for reading buffering area are simultaneously parsed；
The first adjustment module, if being standby mode for parsing load, the output power for adjusting corresponding resonant element is negative
Carry the minimum power needed for standby mode；
Second adjustment module enters remained capacity flow if being unrecognizable load for parsing load, and control corresponds to
Resonant element stops output power；
Third adjusts module, if being charged state for parsing load, enters electric energy transfer process, controls corresponding resonance list
Member is to load transmission electric energy；
4th adjustment module, if controlling corresponding resonance list for parsing load full of electricity condition, to enter flow at full capacity
Member stops output power.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310156887.9A CN104124770B (en) | 2013-04-28 | 2013-04-28 | Multi-load control method based on radio energy transmission system and system |
| PCT/CN2013/080825 WO2014176842A1 (en) | 2013-04-28 | 2013-08-05 | Method and system for multi-load control based on wireless electric energy transmission system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310156887.9A CN104124770B (en) | 2013-04-28 | 2013-04-28 | Multi-load control method based on radio energy transmission system and system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104124770A CN104124770A (en) | 2014-10-29 |
| CN104124770B true CN104124770B (en) | 2018-09-25 |
Family
ID=51770081
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310156887.9A Active CN104124770B (en) | 2013-04-28 | 2013-04-28 | Multi-load control method based on radio energy transmission system and system |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN104124770B (en) |
| WO (1) | WO2014176842A1 (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6505247B2 (en) * | 2015-04-29 | 2019-04-24 | コーニンクレッカ フィリップス エヌ ヴェＫｏｎｉｎｋｌｉｊｋｅ Ｐｈｉｌｉｐｓ Ｎ．Ｖ． | Inductive wireless power transfer with time slot communication |
| JP6540216B2 (en) * | 2015-05-13 | 2019-07-10 | セイコーエプソン株式会社 | Control device, electronic device and contactless power transmission system |
| CN107124047B (en) * | 2017-06-27 | 2023-12-29 | 青岛鲁渝能源科技有限公司 | Wireless power transmission system and radio frequency communication method thereof |
| CN107834711A (en) * | 2017-12-15 | 2018-03-23 | 北京联盛德微电子有限责任公司 | A kind of wireless charging dynamics control devices and its control method for supporting multi-load |
| CN107947286A (en) * | 2017-12-15 | 2018-04-20 | 北京联盛德微电子有限责任公司 | A kind of wireless charging device of holding load identification and its recognition methods |
| CN112787413B (en) * | 2020-12-26 | 2023-07-21 | 西北工业大学 | Power distribution method for MIMO type magnetic coupling resonance wireless power transmission |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102027687A (en) * | 2008-05-13 | 2011-04-20 | 高通股份有限公司 | Method and apparatus for an enlarged wireless charging area |
| CN102835003A (en) * | 2010-03-30 | 2012-12-19 | 松下电器产业株式会社 | Wireless power supply system |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19653522A1 (en) * | 1996-12-20 | 1998-06-25 | Bayerische Motoren Werke Ag | Method for the wireless transmission of energy and data |
| CN100375370C (en) * | 2006-03-03 | 2008-03-12 | 重庆大学 | Power source board able to be controlled in zone |
| CN102934327B (en) * | 2011-03-11 | 2015-11-25 | 海尔集团公司 | Wireless power supply and method |
| KR101255924B1 (en) * | 2011-09-30 | 2013-04-17 | 삼성전기주식회사 | Low-Power Wireless Charging Apparatus and Method thereof |
-
2013
- 2013-04-28 CN CN201310156887.9A patent/CN104124770B/en active Active
- 2013-08-05 WO PCT/CN2013/080825 patent/WO2014176842A1/en active Application Filing
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102027687A (en) * | 2008-05-13 | 2011-04-20 | 高通股份有限公司 | Method and apparatus for an enlarged wireless charging area |
| CN102835003A (en) * | 2010-03-30 | 2012-12-19 | 松下电器产业株式会社 | Wireless power supply system |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2014176842A1 (en) | 2014-11-06 |
| CN104124770A (en) | 2014-10-29 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104124770B (en) | Multi-load control method based on radio energy transmission system and system | |
| CN103580300B (en) | The method of receiver and the operation of execution receiver | |
| US10320234B2 (en) | Multimode wireless power receivers and related methods | |
| US11114903B2 (en) | Wireless power systems with concurrently active data streams | |
| CN103199897B (en) | For the method and apparatus wirelessly sending energy based on frame | |
| EP1834394B1 (en) | Method and apparatus for near field communications | |
| CN101894290B (en) | Non-contact communication device | |
| CN102780515B (en) | A kind of method and device of compatible wireless charging and NFC | |
| CN105281444B (en) | Wireless power transmission method, apparatus and system | |
| CN202435400U (en) | Equipment for managing information exchange | |
| CN104718700B (en) | Power path switching in the electronic equipment including multiple charging ports | |
| US20150091523A1 (en) | Wireless charger system that has variable power / adaptive load modulation | |
| CN102984348A (en) | Terminal and switch method thereof | |
| US20120280650A1 (en) | Wireless Power Transfer System and Methods | |
| CN107911147B (en) | Control circuit for NFC near field communication and smart card | |
| US20160268845A1 (en) | Method and Device for Transmitting and Receiving Wireless Power | |
| CN104508935A (en) | Wireless inductive power transfer | |
| CN103427499A (en) | System and method for communication in wireless power supply systems | |
| CN105379054A (en) | Systems and methods for enabling universal back-cover wireless charging solution | |
| CN105474508A (en) | Apparatus and method for lost power detection | |
| CN101916950B (en) | Safety chip concentrator | |
| CN108632794B (en) | Near field communication device | |
| CN103460553B (en) | Wireless power supply system and remained capacity control method thereof | |
| WO2010095292A1 (en) | Battery module | |
| CN105933027B (en) | Using the wireless sensor system of flaky electric capacity |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |