CN101667753A - Wireless energy transmitting and receiving methods, transmitting system and transmitting and receiving devices - Google Patents
Wireless energy transmitting and receiving methods, transmitting system and transmitting and receiving devices Download PDFInfo
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Abstract
The invention provides wireless energy transmitting and receiving methods, a transmitting system and transmitting and receiving devices. The wireless energy transmitting method is applied to a transmitting end device, and comprises the following steps: firstly, performing energy transmission by means of a first energy transmitting module so as to output energy through a first wireless energy transmission path; secondly, receiving a feedback radio frequency signal; thirdly, in response to the feedback radio frequency signal, judging whether the transmitting end device effectively outputs the energy by means of the wireless energy transmission path, and if not, resetting the transmitting end device to transmit the energy by means of a second energy transmission module; and finally, resettingthe transmitting end device to transmit the energy by means of the second energy transmission module.
Description
Technical field
The invention relates to a kind of energy transmission system, and particularly relevant for a kind of energy transmission system that can wirelessly carry out power transfer.
Background technology
Traditionally, multiple Radio Transmission Technology is used in the communication field widely.Present Radio Transmission Technology major part is to use in reception and transmission at signal, so can only reach lower powered signal transmission mostly.Owing to use the electronic product of Radio Transmission Technology more and more, the exploitation system that reaches more high-power transmission technology by wireless transmission method more and more comes into one's own.Therefore, how designing the energy transmission system that can wirelessly carry out power transfer is one of direction of constantly endeavouring of industry.
Summary of the invention
The invention relates to that a kind of energy transmission system and energy thereof send the method that receives with energy, compared to the conventional energy transmission system, the energy transmission system that the present invention is correlated with has the advantage that can wirelessly carry out power transfer.
Propose a kind of wireless energy sending method according to the present invention, be applied to the transmitting terminal device, the wireless energy sending method comprises following step.At first carry out energy and send, to export energy via the first wireless energy transfer path via the first energy sending module.Then receive and reply radiofrequency signal.Whether judge the transmitting terminal device effectively via first wireless energy transfer path output energy in response to replying radiofrequency signal then, if not, execution in step (d).Reset the transmitting terminal device afterwards and carry out the energy transmission via the second energy sending module.
Propose a kind of wireless energy method of reseptance according to the present invention, be applied to receiving end device, the wireless energy method of reseptance comprises following step.At first utilize M energy receiver module to receive M received energy via M wireless energy transfer path respectively, and corresponding energy is stored in M energy receiver module respectively, M is a natural number.Then, judge the energy receiver module that whether has at least one preferable energy receiving efficiency in M the energy receiver module according to the electric energy that stores in M the energy receiver module, if, execution in step (c).Via the energy receiver module received energy of at least one preferable energy receiving efficiency, and the electric energy that stores in the corresponding energy receiver module provided to the system power circuit in then during specific operation.The answer radiofrequency signal is provided afterwards, and the expression receiving end device can be effectively carries out energy via the energy receiver module of preferable energy receiving efficiency and receives.
Propose a kind of transmitting terminal device according to the present invention, comprise N energy sending module, radio frequency (RadioFrequency) signal receiving circuit and processor.N energy sending module is respectively via corresponding wireless energy transfer path output energy, and N is the natural number greater than 1.The radiofrequency signal receiving circuit is replied radiofrequency signal in order to receive.Processor is in order to the first energy sending module in the driving N energy sending module, to export first energy via corresponding wireless energy transfer path, processor is also in order to judge in response to replying radiofrequency signal whether the transmitting terminal device successfully sends first energy.
Propose a kind of receiving end device according to the present invention, comprise radiofrequency signal transtation mission circuit, M energy receiver module and processor.Radio frequency M energy receiver module receives electric energy via M wireless energy transfer path respectively, and M is a natural number.Processor is in order to judge the energy receiver module that whether comprises at least one preferable energy receiving efficiency in M the energy receiver module, and drive the radiofrequency signal transtation mission circuit accordingly and produce to reply radiofrequency signal, can be effectively carry out energy with the expression receiving end device and receive via the energy receiver module of preferable energy receiving efficiency.
Propose a kind of energy transmission system according to the present invention, comprise transmitting terminal device and receiving end device.The transmitting terminal device comprises N energy sending module, radiofrequency signal receiving circuit and first processor, and receiving end device comprises radiofrequency signal transtation mission circuit, a M energy receiver module and second processor.N energy sending module is respectively via corresponding wireless energy transfer path output energy, and N is the natural number greater than 1.First processor in order to a driving N energy sending module one of them, export first energy with wireless energy transfer path via correspondence.M energy receiver module is respectively via corresponding wireless energy transfer path received energy, and M is a natural number.Second processor is in order to judge the energy receiver module that whether comprises at least one preferable energy receiving efficiency in M the energy receiver module, and drive radiofrequency signal transtation mission circuit generation answer radiofrequency signal accordingly, carry out energy with request transmitting terminal device via the energy sending module corresponding and send with the energy receiver module of at least one preferable energy receiving efficiency.Wherein, the transmitting terminal device receives via the radiofrequency signal receiving circuit and replys radiofrequency signal, and first processor comes corresponding energy sending module transmission energy in the driving N energy sending module according to replying radiofrequency signal.
For foregoing of the present invention can be become apparent, a preferred embodiment cited below particularly, and cooperate appended graphicly, be described in detail below.
Description of drawings
Fig. 1 illustrates the calcspar according to the energy transmission system of the embodiment of the invention.
Fig. 2 illustrates the calcspar according to the transmitting terminal device of the energy transmission system of the embodiment of the invention.
Fig. 3 illustrates the calcspar according to the receiving end device of the embodiment of the invention.
Fig. 4 illustrates the detailed block diagram of the energy receiver module 24ai that is Fig. 3.
Fig. 5 illustrates the detailed block diagram of the testing circuit that is Fig. 3.
Fig. 6 illustrates the schematic diagram of transmission path of the receiving end device 24 that is Fig. 3.
Fig. 7 illustrates the flow chart of the wireless energy sending method that is the embodiment of the invention.
Fig. 8 A, 8B, 8C and 8D illustrate the flow chart of the wireless energy method of reseptance that is the embodiment of the invention.
[main element label declaration]
1: energy transmission system
12,22: the transmitting terminal device
12a1-12aN, 22a1-22aN: the energy sending module
12b, 22b: radiofrequency signal receiving circuit
12c, 22c: processor
14,24: receiving end device
14a1-14aM, 24a1-24aM: energy receiver module
14b, 24b: radiofrequency signal transtation mission circuit
14c, 24c: processor
22b1,24b1: antenna
22b2,24b2: radio frequency signal processing circuit
22d: electric pressure converter
22e: power circuit
22f: de-multiplexer
24d: testing circuit
24e: system power circuit
24f: charge pump
24g: multiplexer
Rs: resonator
Rec: rectification circuit
C: electric capacity
24d1,24d2: voltage selecting circuit
24d3: bias circuit
24d4: comparator
P: energy circuit
Pa: add way circuit
Pb: transformer
Pc: rectification circuit
Embodiment
The energy transmission system that the embodiment of the invention proposes is to use non-radiative energy between resonator to transmit and wirelessly carry out power transfer.
Please refer to Fig. 1, it illustrates the calcspar according to the energy transmission system of the embodiment of the invention.Energy transmission system 1 comprises transmitting terminal device 12 and receiving end device 14.Transmitting terminal device 12 has N energy sending module 12a1-12aN, radio frequency (Radio Frequency) signal receiving circuit 12b and processor 12c, and wherein N is the natural number greater than 1.N energy sending module 12a1-12aN is respectively in order to export energy Ste1-SteN via corresponding wireless energy transfer path.Processor 12c in order to a driving N energy sending module 12a1-12aN wherein partly or entirely, with via the wireless energy transfer path output energy Ste1-SteN of correspondence wherein partly or entirely.
Receiving end device 14 has M energy receiver module 14a1-14aM, radiofrequency signal transtation mission circuit 14a and processor 14c, and wherein M is the natural number greater than 1.M energy receiver module 14a1-14aM is respectively in order to via corresponding wireless energy transfer path received energy Sre1-SreM.The second processor 14c is in order to judge the energy receiver module that whether comprises one or more preferable energy receiving efficiency among M the energy receiver module 14a1-14aM, and drive radiofrequency signal transtation mission circuit 14b generation answer RF signal S r accordingly, carry out energy with request transmitting terminal device 12 via the energy sending module corresponding and send with the energy receiver module of one or more preferable energy receiving efficiency.
Transmitting terminal device 12 also receives via radiofrequency signal receiving circuit 12b and replys RF signal S rs, and it is provided to processor 12c.Corresponding one or more energy sending module sends energy to processor 12c among the RF signal S rs driving N energy sending module 12a1-12aN according to replying.Next, for example the energy transmission system 1 of present embodiment is done further explanation.
Please refer to Fig. 2, it illustrates the calcspar according to the transmitting terminal device of the energy transmission system of the embodiment of the invention.Transmitting terminal device 22 comprises energy sending module 22a1-22aN, radiofrequency signal receiving circuit 22b, processor 22c, electric pressure converter (Voltage Converter) 22d, power circuit 22e and de-multiplexer (De-multiplexer) 22f, and wherein N is the natural number greater than 1.
Comprise a plurality of energy sending modules that carry out power transfer via at least a wireless energy transfer path among the energy sending module 22a1-22aN.For instance, power transfer module 22a1-22aN carries out power transfer by the transfer of the non-radiative energy between resonator (Non-radiative Energy Transfer).
This shifts the power transfer module of carrying out power transfer via non-radiative energy a bit and has the particular energy transmission range.In the present embodiment, these a little power transfer modules are to be configured according to ad hoc fashion, so that each zone in operating environment can be contained by the power transfer scope of these a little power transfer modules.For instance, this operating environment for example is a meeting room, by a plurality of power transfer modules being set in this meeting room, so that each zone covered in the power transfer scope of one or more power transfer module in this meeting room.
In another example, (Energy Coupling E-coupling) carries out power transfer to the portion of energy transport module among the power transfer module 22a1-22aN by the energy coupling.
Radiofrequency signal receiving circuit 22b comprises radio-frequency antenna 22b1 and radio frequency signal processing circuit 22b2.Radio-frequency antenna 22b1 is in order to received RF signal St, and it is provided to radio frequency signal processing circuit 22b2.Radiofrequency signal processor 22b2 is in order to carrying out producing control signal Cs3 such as encoding and decoding and rectification operation back to radiofrequency signal St, and control signal Cs3 is provided to processor 22c.Processor 22c carries out corresponding control operation according to control signal Cs3 to each power transfer module 22a1-22aN.
In an example, RF signal S t is by providing with transmitting terminal device 22 corresponding receiving end devices in the energy transmission system, and it comprises that the energy of each energy receiver module in the receiving end device receives the information of situation.So, in response to the control signal Cs3 that produces according to RF signal S t, one or more have the power transfer module of preferable efficiency of transmission among optionally activation power transfer of the processor 22c module 22a1-22aN, make the energy transmission system of present embodiment have preferable energy transmission efficiency.
Please refer to Fig. 3, it illustrates the calcspar according to the receiving end device of the embodiment of the invention.Receiving end device 24 comprises energy receiver module 24a1-24aM, radiofrequency signal transtation mission circuit 24b, processor 24c, testing circuit 24d, system power circuit 24e, charge pump (Charge Pump) 24f and multiplexer 24g.Energy receiver module 24a1-24aM is respectively via the wireless energy transfer passage received energy Pre1-PreM of correspondence, so that corresponding voltage signal Vd1-VdM to be provided.
In an example, energy receiver module 24a1-24aM shifts by the non-radiative energy between resonator and carries out the energy reception.Because the circuit of each energy receiver module 24a1-24aM has similar structure, next is to be that example explains with the energy receiver module 24ai among the energy receiver module 24a1-24aM only, i is the natural number that is less than or equal to M.
Please refer to Fig. 4, it illustrates the detailed block diagram of the energy receiver module 24ai that is Fig. 3.Energy receiver module 24ai comprises resonator Rs, rectification circuit Rec and capacitor C.For instance, energy receiver module 24ai is corresponding with energy sending module 22ai in the transmitting terminal device 22, and the energy Ptei of energy sending module 22ai output is coupled to resonator Rs, makes resonator Rs have energy Prei.Rectification circuit Rec is in order to energy Prei is carried out the rectification operation, with the energy Prei ' after the rectification of exporting correspondence.Capacitor C is in order to storage power Prei ', to write down stored voltage Vdi accordingly.For instance, rectification circuit Rec is bridge rectifier (Bridge Rectifier).
Be controlled by processor 24c, energy Pre1 '-PreM ' that multiplexer 24g will be stored among the energy receiver module 24a1-24aM provides to system power circuit 24e, with stocking system voltage Vs accordingly.System power circuit 24e for example comprises super capacitor, and this super capacitor for example is the electric capacity of capacitance much larger than capacitor C.
Please refer to Fig. 5, it illustrates the detailed block diagram of the testing circuit that is Fig. 3.Testing circuit 24d comprises voltage selecting circuit 24d1,24d2, bias circuit 24d3 and comparator 24d4.Bias circuit 24d3 comprises the bias resistance string, in order to provide reference voltage Vr1 and Vr2 according to voltage VCC and VSS.
Voltage selecting circuit 24d2 is in order to receiving voltage Vd1-VdM and system voltage Vs, and is controlled by processor 24c, provide voltage Vd1-VdM and system voltage Vs one of them export as voltage Vx to be measured.In an example, processor 24c carries out poll (Polling) operation, provides voltage Vd1-VdM and system voltage Vs to comparator 24d4 in order, to detect the level of voltage Vd1-VdM and system voltage Vs.Processor 24c for example carries out K poll operation, and K is the natural number greater than 1.
Voltage selecting circuit 24d1 is in order to receiving reference voltage Vr1 and Vr2, and be controlled by processor 24c optionally provide reference voltage Vr1 and Vr2 one of them export as reference voltage Vf.In the present embodiment, reference voltage Vr1 for example is the critical voltage of voltage Vd1-VdM, and reference voltage Vr2 for example is the critical voltage of system voltage Vs.When voltage selecting circuit 24d2 be controlled by processor 24c provide voltage Vd1-VdM one of them during as voltage Vx to be measured, processor 24c controls voltage selecting circuit 24d1 accordingly provides reference voltage Vr1 as reference voltage Vf.When voltage selecting circuit 24d2 was controlled by processor 24c system voltage Vs is provided as voltage Vx to be measured, processor 24c controls voltage selecting circuit 24d1 accordingly provided reference voltage Vr2 as reference voltage vf.
Comparator 24d4 is in order to voltage Vx more to be measured and reference voltage Vf, and provides control signal Cs4 to processor 24c according to this.By receiving control signal Cs4, processor 24c can detect the level of learning voltage Vd1-VdM and system voltage Vs.For instance, when the level of voltage Vdi in fact greater than reference voltage Vf (=Vr1) time, processor 24c provides and selects signal Cs5 control multiplexer 24g that energy stored Prei ' among the energy receiver module 24ai of correspondence is provided to system power circuit 24e, and it is temporarily stored among the system power circuit 24e.So, by the operation of processor 24 with testing circuit 24d, system power circuit 24e can store the energy that each energy receiver module 24a1-24aM is received.
When the level of system voltage Vs in fact greater than reference voltage Vf (=Vf2) time, processor 24c provides control signal Cs6 activation charge pump 24f, make it produce system power signal Ed, charge with battery (not illustrating) to the electronic installation (not illustrating) that is arranged in receiving end device 24 ends according to the electric energy among the system power circuit 24e.So, the receiving end device 24 of present embodiment is the energy that provides of receiving end/sending end device 22 wirelessly, and according to this electronic installation that is positioned at receiving end device 24 ends is powered.
In an example, the level of processor 24c definition voltage signal Vd1-VdM is particular event Evt1-EvtM greater than the incident of reference voltage Vf (=reference voltage Vr2) in fact.In performed each time poll operation of processor 24c, processor 24c is also in order to come respectively count value Va1-VaM to be carried out counting operation in response to trigger event Evt1-EvtM.Because the operation of each count value Va1-VaM is as identical in fact, be that example explains to the counting operation of count value Vaj next with processor 24c, j is the natural number that is less than or equal to M.The initial value of count value Vaj is 0, and processor 24c increases progressively 1 in response to trigger event Evtj with count value Vaj.Similarly operation also is performed among the count value Va1-VaM other count value, and so, processor 24c calculates count value Va1-VaM after K poll operated.
The energy receiver module that processor 24c also selects to have among the count value Va1-VaM count value correspondence more than or of greatest measure is the preferable energy receiver module of energy receiving efficiency, and in during specific operation, through the preferable energy receiver module received energy of one or more energy receiving efficiency thus.Processor 24c produces the information that RF signal S t writes down the preferable energy receiver module of energy receiving efficiency accordingly, and exports RF signal S t to radiofrequency signal receiving circuit 22b via radiofrequency signal transtation mission circuit 24b.
Radiofrequency signal receiving circuit 24b comprises radio-frequency antenna 24b1 and radio frequency signal processing circuit 24b2.Radio frequency signal processing circuit 24b2 is in order to carry out radiofrequency signal St such as the operation of encoding and decoding and rectification after exported by radio-frequency antenna 24b1.So, transmitting terminal device 22 can select energy sending module corresponding in the transmitting terminal device 22 to carry out power transfer in response to the RF signal S t that receiving end device 24 provides.
In the present embodiment, though be that example explains with processor 24c by the situation that polling operation comes the voltage selecting circuit 24d2 among the testing circuit 24d and 24d1 are controlled only, right, the processor 24c of present embodiment is not limited thereto.In another example, processor 24c also for example has user's interface modes, can carry out the control that aforesaid voltage is selected circuit 24d2 and 24d1 in response to the instruction that the user provides.In this example, processor 24c for example is 8051 microprocessors.
In the present embodiment, though only to provide to the situation of system power circuit 24e via the multiplex of multiplexer 24g be that example explains to the energy Pre1-PreM that receives with energy receiver module 24a1-24aM, so, the energy Pre1-PreM of energy receiver module 24a1-24aM reception is not limited to provide to system power circuit 24e via aforesaid paths.
In an example, receiving end device 24 also has energy circuit P, it is controlled by processor 24c, the unified energy of collecting all energy receiver module 24a1-24aM receptions when the energy of energy receiver module 24a1-24aM reception is very faint, and according to this electronic installation is powered.For instance, processor 24c judges when being less than or equal to low critical value with the count value Va1-VaM that obtains after carrying out K poll operation that the energy that energy receiver module 24a1-24aM receives is very faint, and activation energy circuit P collects the energy of all energy receiver module 24a1-24aM receptions.
Please refer to Fig. 6, it illustrates the schematic diagram of transmission path of the receiving end device 24 that is Fig. 3.Energy circuit P comprises and adds way circuit Pa and rectification circuit Pc.Add way circuit Pa and comprise M switching circuit SW1-SWM, it is arranged at respectively among the energy receiver module 24a1-24aM.Each switching circuit SW1-SWM is that the control signal Cs7 that is controlled by processor 24c and provides switches.Under normal operation, processor 24c provides the control signal Cs7 of first level.At this moment, the resonator RS of switch SW 1-SWM conducting correspondence and the path between rectification circuit Rec make corresponding energy receiver module 24a1-24aM carry out aforesaid energy and receive operation.
When the energy of processor 24c judgement energy receiver module 24a1-24aM reception was very faint, processor 24c provided the control signal Cs7 of second level.At this moment, switch SW 1-SWM is coupled to rectification circuit Pc with all resonator RS.So, can the energy Pre1-PreM that energy receiver module 24a1-24aM receives be added up by the operation that adds way circuit Pa.And energy Pre1-PreM add the operation of overall result by rectification circuit Pc, produce system power signal Ed ', so that the electronic installation that is positioned at receiving end device 24 ends is powered.
In the present embodiment, though only selection is that example explains via the energy sending module 22a1-22aN situation of partly or entirely coming transmission of power wherein according to RF signal S t with processor 22c, right, processor 22c is not limited to carry out this operation.In an example, processor 22c is once an energy sending module among the activation energy sending module 22a1-22aN only.So, the RF signal S t of receiving end device 24 response represent receiving end device 24 whether can be effectively via the energy receiver module received energy of energy sending module correspondence therewith.When RF signal S t represents receiving end device 24 effectively during received energy, another energy sending module that processor 22c drives among the energy sending module 22a1-22aN carries out power transfer.
Please refer to Fig. 7, it illustrates the flow chart of the wireless energy sending method that is the embodiment of the invention.In an example, the wireless energy sending method comprises following step.At first as step (a), processor 22c provides control signal Cs2, and 22f sends energy via the first energy sending module among the energy sending module 22a1-22aN with the control de-multiplexer, with the first wireless energy transfer path output energy via correspondence.As step (b), processor 22c is via radiofrequency signal receiving circuit 22b received RF signal St then.For instance, this first energy sending module is energy sending module 22a1.
Then as step (c), processor 22c judges that in response to RF signal S t whether transmitting terminal device 22 export energy through the first wireless energy transfer path thus effectively; If not, execution in step (d) then, processor 22c provides control signal Cs2, carries out energy with control transmitting terminal device 22 via the second energy sending module and sends.For instance, this second energy sending module is energy sending module 22a2, and it is to be controlled by processor 22c to send energy Ste1.
As step (e), processor 22c is repeated execution of steps (b) after postponing the specific transmission time then, with reception next record RF signal S t, and the judgement of execution in step (c) according to this.Wherein, when processor 22c judges transmitting terminal device 22 in step (c) can be effectively during via the wireless energy transfer path output energy of correspondence, execution in step (e) then.
The wireless energy sending method also for example comprises step (f) before in step (a), and processor 22c judges whether transmitting terminal device 22 operates in automatic send mode, sends to carry out energy via automatic send mode; If, execution in step (a) then; If not, execution in step (g) then, processor 22c operates in response to the user transmitting terminal device 22 is set, to carry out corresponding transmit operation.
Please refer to Fig. 8 A, 8B and 8C, it illustrates the flow chart of the wireless energy method of reseptance that is the embodiment of the invention.In an example, the wireless energy method of reseptance comprises following step.At first as step (a), processor 24c utilizes M energy receiver module 24a1-24aM to receive M energy Pre1-PreM via M wireless energy transfer path respectively, and corresponding energy is stored in respectively among the corresponding energy receiver module 24a1-24aM.
Then as step (b), processor 24c judges the energy receiver module that whether has preferable energy receiving efficiency among M the energy receiver module 24a1-24aM according to the electric energy that stores among M the energy receiver module 24a1-24aM; If, execution in step (c), during specific operation in, receiving end device 24 is through the energy receiver module received energy of preferable energy receiving efficiency thus.
As step (d), processor 24c provides RF signal S t to transmitting terminal device 22 via radiofrequency signal transtation mission circuit 24b then.In an example, transmitting terminal device 22 for example judges that according to RF signal S t receiving end device 24 whether can be effectively carries out energy through the energy receiver module of preferable energy receiving efficiency thus and receives.
In an example, the energy sending method that is illustrated with Fig. 7 similarly, the energy method of reseptance that Fig. 8 A is illustrated also comprise step (e) with (f).
In an example, step (b) comprises step (b1)-(b11), next, is to step (b1)-(b11) be described further.
In step (b), at first be execution in step (b1), processor 24c finds out the energy receiver module that satisfies first specified conditions among the energy receiver module 24a1-24aM according to control signal Cs 4.For instance, these first specified conditions for this reason the level of the voltage that provides of energy receiver module in fact greater than the condition of reference voltage Vf (=reference voltage Vf2).For instance, processor 24c for example judges in order whether receiver module 24a1-24aM satisfies this first specified conditions.
Follow execution in step (b2), processor 24c will with satisfy this first specially the corresponding count value of energy receiver module of condition increase progressively 1, and provide control signal Cs5 control multiplexer 24g that energy stored among the energy receiver module 24a1-24aM of correspondence is stored to system power circuit 24e.
As step (b3), processor 24c judges whether to carry out K step (b1) then, and K is the natural number greater than 1; If not, repeated execution of steps (b1); If, execution in step (b6), processor 24c judges whether M count value Va1-VaM satisfies specified conditions.For instance, these specified conditions are the condition that whole M count value Va1-VaM all are less than or equal to low critical value.When each M count value Va1-VaM do not satisfy these specified conditions, execution in step (b7), processor 24c is to have the energy receiver module of the one or more energy receiver module of the highest count value correspondence as preferable energy receiving efficiency among M the count value Va1-VaM.So, in step (c), can carry out energy through one or more energy receiver module thus in during ensuing specific operation by this and receive operation.
Shown in Fig. 8 D, in step (d) afterwards, the energy method of reseptance of present embodiment is execution in step (g) also, processor 24c during postponing this specific operation after, judge that whether energy stored is greater than critical value in the energy receiver module of one or more therewith preferable energy receiving efficiency; If, the energy receiver module of representing this one or more preferable energy receiving efficiency has desirable receiving efficiency, be repeated execution of steps (b7) at this moment, with constantly through the energy receiver module received energy of one or more preferable energy receiving efficiency thus; If not, representing that the energy receiver module of this one or more preferable energy receiving efficiency has relatively poor receiving efficiency, is with execution in step (a) at this moment.
In step (b7), if processor 24c judges whether M count value Va1-VaM satisfies then execution in step (b8) of these specified conditions, processor 24c provides and adds way circuit Pa among the control signal Cs7 activation energy circuit P, add up with the energy that M energy receiver module 24a1-24aM received, and produce system power signal Ed ' through transformer Pb and rectification circuit Pc.Then execution in step (b9), processor 24 during postponing specific operation after, repeated execution of steps (a) is carried out the energy method of reseptance of present embodiment with accent.
In an example, the energy method of reseptance also comprises step (b4) in step (b2) and (b3), and processor 24c judges whether system power circuit 24e satisfies second specified conditions.For instance, the system voltage Vs that provides for system power circuit 24e of these second specified conditions is higher than reference voltage Vf (=Vf1) condition in fact.In step (b4), if judge execution in step (b3) when system power circuit 24e does not satisfy these second specified conditions.
Execution in step (b5) when processor 24c judges that system power circuit 24e satisfies these second specified conditions, processor 24c provides control signal Cs6 to drive charge pump 24f, charge pump 24f is produced according to system voltage Vs drive electric power signal Ed.After step (b5), execution in step (b3).
In an example, also for example comprise step (b10) in step (b8) and (b9), processor 24c triggers the caution incident by user's interface.
It is to use some wireless energy transfer modules wirelessly to carry out power transfer that the energy transmission system of present embodiment and energy thereof send the method that receives with energy.So, compared to the conventional energy transmission system, the energy transmission system of present embodiment has the advantage that can wirelessly carry out power transfer.
In addition, the transmitting terminal device to energy transmission that the energy transmission system of present embodiment also sends by radiofrequency signal and receiving circuit reaches in the energy transmission system is controlled.So, the energy transmission system of present embodiment also has the advantage that can control the transmitting terminal device in the energy transmission system.
In sum, though the present invention discloses as above with preferred embodiment, so it is not in order to limit the present invention.The persond having ordinary knowledge in the technical field of the present invention, without departing from the spirit and scope of the present invention, when being used for a variety of modifications and variations.Therefore, protection scope of the present invention is as the criterion when looking appended the claim scope person of defining.
Claims (37)
1. a wireless energy sending method is applied to the transmitting terminal device, and this wireless energy sending method comprises:
(a) carry out energy via the first energy sending module and send, to export energy via the first wireless energy transfer path;
(b) receive the answer radiofrequency signal;
(c) reply radiofrequency signal in response to this, whether judge this transmitting terminal device effectively via this first wireless energy transfer path output energy, if not, execution in step (d); And
(d) reset this transmitting terminal device and carry out the energy transmission via the second energy sending module.
2. wireless energy sending method according to claim 1, wherein when judging that in step (c) this transmitting terminal device can send energy via this first wireless energy transfer path effectively, execution in step:
(e) after the specific transmission time of delay, repeated execution of steps (b).
3. wireless energy sending method according to claim 1, wherein step (d) also comprises afterwards:
(e) after the specific transmission time of delay, repeated execution of steps (b).
4. wireless energy sending method according to claim 1 also comprises:
(f) judge whether this transmitting terminal device carries out energy via automatic send mode and send, if, execution in step (a), if not, execution in step (g); And
(g) operate this transmitting terminal device is set in response to the user.
5. wireless energy sending method according to claim 1, wherein this first and this second energy sending module one of them be to shift via non-radiative energy to transmit energy.
6. a wireless energy method of reseptance is applied to receiving end device, and this wireless energy method of reseptance comprises:
(a) utilize M energy receiver module to receive M received energy via M wireless energy transfer path respectively, and corresponding energy is stored in M energy receiver module respectively, M is a natural number;
(b) according to the electric energy that stores in this M the energy receiver module, judge the energy receiver module that whether has at least one preferable energy receiving efficiency in this M the energy receiver module, if, execution in step (c);
(c) in during specific operation,, and the electric energy that stores in the corresponding energy receiver module provided to the system power circuit via the energy receiver module received energy of this at least one preferable energy receiving efficiency; And
(d) provide the answer radiofrequency signal, represent that this receiving end device can be effectively carries out energy via the energy receiver module of this preferable energy receiving efficiency and receives.
7. wireless energy method of reseptance according to claim 6, wherein step (b) comprising:
(b1) find out the energy receiver module that satisfies first specified conditions in each M the energy receiver module, wherein this M energy receiver module is to correspond to M count value respectively;
(b2) will increase progressively 1 with each corresponding count value of energy receiver module that satisfies these first specified conditions; And
(b3) judge whether to carry out K step (b1), if not, repeated execution of steps (b1), K is the natural number greater than 1.
8. wireless energy method of reseptance according to claim 7, wherein step (b2) also comprises:
With the electrical power storage that stores in the corresponding energy receiver module to this system power circuit.
9. wireless energy method of reseptance according to claim 8, wherein step (b2) and (b3) between also comprise:
(b4) judge whether this system power circuit satisfies second specified conditions, if, execution in step (b5), if not, execution in step (b3); And
(b5) drive charge pump and produce the driving electric energy according to the electric energy in this system power circuit;
Wherein, be execution in step (b3) afterwards in step (b5).
10. wireless energy method of reseptance according to claim 7, wherein if K step (b1), then execution in step have been carried out in judgement in step (b3):
(b6) judge whether this M count value satisfies the 3rd specified conditions, if not, execution in step (b7); And
(b7) with at least one energy receiver module of the highest at least one count value correspondence in this M count value energy receiver module as this at least one preferable energy receiving efficiency.
11. wireless energy method of reseptance according to claim 10, wherein among step (b6), if judge when this M count value satisfies the 3rd specified conditions, execution in step then:
(b8) electric energy that this M energy receiver module received adds up, to produce system power; And
(b9) back repeated execution of steps (a) during the delay specific operation.
12. wireless energy method of reseptance according to claim 11 wherein also comprises in step (b8) and (b9):
(b10) trigger the caution incident.
13. wireless energy method of reseptance according to claim 10 wherein also comprises afterwards in step (g):
(g) after postponing during the specific operation, whether judge energy in the energy receiver module of this at least one preferable energy receiving efficiency greater than critical value, if, execution in step (b7), if not, execution in step (a).
14. wireless energy method of reseptance according to claim 6 wherein also comprises before in step (a):
(e) judge whether to enter automatic mode, if, execution in step (a), if not, execution in step (g); And
(f) operate this transmitting terminal device is set in response to the user.
15. wireless energy method of reseptance according to claim 6, wherein this M energy receiver module one of them be to shift via non-radiative energy to receive the energy that this transmitting terminal device provides.
16. a transmitting terminal device comprises:
N energy sending module, via corresponding wireless energy transfer path output energy, N is the natural number greater than 1 in order to respectively;
The radiofrequency signal receiving circuit is replied radiofrequency signal in order to receive; And
Processor, in order to drive the first energy sending module in this N the energy sending module, to export first energy via corresponding wireless energy transfer path, this processor is also in order to judge in response to this answer radiofrequency signal whether this transmitting terminal device successfully sends this first energy.
17. transmitting terminal device according to claim 16, wherein, when this processor judges that this transmitting terminal device can't be exported this first energy, this processor drives the second energy sending module in this N the energy sending module, to export second energy via corresponding wireless energy transfer path;
Wherein, this processor also judges in order to this answer radiofrequency signal that receives in response to next time point whether this transmitting terminal device successfully exports this second energy.
18. transmitting terminal device according to claim 16 wherein also comprises:
Power circuit, in order to receiving a plurality of input electric energy that a plurality of power circuits provide, and one of them is exported as first electric energy with those input electric energy to be controlled by this processor.
19. transmitting terminal device according to claim 18 also comprises:
Electric pressure converter in order to be controlled by this processor, carries out voltage transitions to this first electric energy; And
De-multiplexer, in order to be controlled by this processor this first electric energy after with the conversion of this electric pressure converter provide to this N energy sending module one of them, to drive the energy that it sends correspondence.
20. transmitting terminal device according to claim 16, wherein this N energy sending module one of them be to shift via non-radiative energy to export energy.
21. a receiving end device comprises:
The radiofrequency signal transtation mission circuit;
M energy receiver module, in order to receive electric energy via M wireless energy transfer path, M is a natural number respectively; And
Processor, in order to judge the energy receiver module that whether comprises at least one preferable energy receiving efficiency in this M the energy receiver module, and drive this radiofrequency signal transtation mission circuit accordingly and produce and reply radiofrequency signal, to represent that this receiving end device can be effectively carries out energy via the energy receiver module of this preferable energy receiving efficiency and receives.
22. receiving end device according to claim 21, respectively this M energy receiver module comprises:
Electric capacity; And
Rectification circuit carries out rectification in order to the electric energy that corresponding energy receiver module is received, and according to this to so that this electric capacity is charged.
23. receiving end device according to claim 22 also comprises testing circuit, in order to detect the electric energy of this M energy receiver module, to produce detection signal accordingly, this testing circuit comprises:
Voltage selecting circuit, being controlled by this processor provides reference voltage and voltage to be detected, and this voltage to be detected is the electric energy that is relevant to this M one of them storage of energy receiver module; And
Comparator, it compares in order to this reference voltage and this voltage to be detected that this signal selecting circuit is provided, to produce this detection signal;
Wherein, this processor is judged the energy receiver module that whether has at least one preferable energy receiving efficiency in this M the energy receiver module according to this detection signal.
24. receiving end device according to claim 22 also comprises:
The system power circuit; And
Transmission circuit in order to be controlled by this processor, provides the energy receiver module energy stored corresponding with the energy receiver module of this at least one preferable energy receiving efficiency to this system power circuit.
25. receiving end device according to claim 24 also comprises:
Charge pump is in order to be controlled by this processor, according to the electric energy generating system electric energy that stores in this system power circuit.
26. receiving end device according to claim 21 also comprises:
Add way circuit,, this M the energy that the energy receiver module receives added up, add up electric energy to produce in order to be controlled by this processor;
Transformer in order to this totalling electric energy is changed, adds up electric energy after producing transformation; And
Rectification circuit is in order to carry out rectification to adding up electric energy after this transformation, to produce system power.
27. receiving end device according to claim 21, wherein this M energy receiver module one of them be to shift via non-radiative energy to receive the energy that this transmitting terminal device provides.
28. an energy transmission system comprises:
The transmitting terminal device comprises:
N energy sending module, in order to export energy via corresponding wireless energy transfer path, N is the natural number greater than 1 respectively;
The radiofrequency signal receiving circuit; And
First processor, in order to drive this N energy sending module one of them, export first energy with wireless energy transfer path via correspondence; And
Receiving end device comprises:
The radiofrequency signal transtation mission circuit;
M energy receiver module, respectively in order to via corresponding wireless energy transfer path received energy, M is a natural number; And
Second processor, in order to judge the energy receiver module that whether comprises at least one preferable energy receiving efficiency in this M the energy receiver module, and drive this radiofrequency signal transtation mission circuit generation answer radiofrequency signal accordingly, send to ask this transmitting terminal device to carry out energy via the energy sending module corresponding with the energy receiver module of this at least one preferable energy receiving efficiency;
Wherein, this transmitting terminal device receives this answer radiofrequency signal via this radiofrequency signal receiving circuit, and this first processor drives corresponding energy sending module transmission energy in this N the energy sending module according to this answer radiofrequency signal.
29. energy transmission system according to claim 28, wherein this M energy receiver module comprises:
Electric capacity; And
Rectification circuit carries out rectification in order to the electric energy that corresponding energy receiver module is received, and according to this to so that this electric capacity is charged.
30. energy transmission system according to claim 29, wherein this receiving end device also comprises testing circuit, and in order to detect the electric energy of this M energy receiver module, to produce detection signal accordingly, this testing circuit comprises:
Voltage selecting circuit, being controlled by this second processor provides reference voltage and voltage to be detected, and this voltage to be detected is the electric energy that is relevant to this M one of them storage of energy receiver module; And
Comparator, it compares in order to this reference voltage and this voltage to be detected that this voltage selecting circuit is provided, to produce this detection signal;
Wherein, this second processor is judged the energy receiver module that whether has at least one preferable energy receiving efficiency in this M the energy receiver module according to this detection signal.
31. energy transmission system according to claim 29, wherein this receiving end device also comprises:
The system power circuit; And
Transmission circuit in order to be controlled by this second processor, provides the energy receiver module energy stored corresponding with the energy receiver module of this at least one preferable energy receiving efficiency to this system power circuit.
32. energy transmission system according to claim 31, wherein this receiving end device also comprises:
Charge pump is in order to be controlled by this second processor, according to the electric energy generating system electric energy that stores in this system power circuit.
33. receiving end device according to claim 28 also comprises:
Add way circuit,, this M the energy that the energy receiver module receives added up, add up electric flux to produce in order to be controlled by this second processor;
Transformer in order to this totalling electric energy is changed, adds up electric energy after producing transformation; And
Rectification circuit is in order to carry out rectification to adding up electric energy after this transformation, to produce system power.
34. energy transmission system according to claim 28, wherein when this transmitting terminal device of this first processor circuit judges can't be exported this first energy, this first processor drives the second energy sending module in this N the energy sending module, to export second energy via corresponding wireless energy transfer path;
Wherein, this first processor also judges in order to this answer radiofrequency signal that receives in response to next time point whether this transmitting terminal device successfully exports this second energy.
35. energy transmission system according to claim 28, wherein this transmitting terminal device also comprises:
Power circuit, in order to receiving a plurality of input electric energy that a plurality of power circuits provide, and one of them is exported as first electric energy with those input electric energy to be controlled by this first processor.
36. energy transmission system according to claim 35, wherein this transmitting terminal device also comprises:
Electric pressure converter in order to be controlled by this first processor, carries out voltage transitions to this first electric energy; And
De-multiplexer, in order to be controlled by this first processor this first electric energy after with the conversion of this electric pressure converter provide to this N energy sending module one of them, to drive the energy that it sends correspondence.
37. energy transmission system according to claim 28, wherein this N energy sending module one of them be to shift via non-radiative energy to export energy.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW097131842A TWI376858B (en) | 2008-08-20 | 2008-08-20 | Wireless energy transmitting method, wireless energy receiving method, and wireless energy transferring system, transmitting end device, and receiving end device using thereof |
| CN200810213778A CN101667753A (en) | 2008-08-20 | 2008-09-04 | Wireless energy transmitting and receiving methods, transmitting system and transmitting and receiving devices |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW097131842A TWI376858B (en) | 2008-08-20 | 2008-08-20 | Wireless energy transmitting method, wireless energy receiving method, and wireless energy transferring system, transmitting end device, and receiving end device using thereof |
| CN200810213778A CN101667753A (en) | 2008-08-20 | 2008-09-04 | Wireless energy transmitting and receiving methods, transmitting system and transmitting and receiving devices |
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| CN101667753A true CN101667753A (en) | 2010-03-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200810213778A Pending CN101667753A (en) | 2008-08-20 | 2008-09-04 | Wireless energy transmitting and receiving methods, transmitting system and transmitting and receiving devices |
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| Country | Link |
|---|---|
| CN (1) | CN101667753A (en) |
| TW (1) | TWI376858B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102545352A (en) * | 2010-12-10 | 2012-07-04 | 佳能株式会社 | Power supply apparatus, battery pack, method, and storage medium |
| CN102591440A (en) * | 2010-11-29 | 2012-07-18 | 佳能株式会社 | Electronic device and controlling method thereof |
| WO2012100439A1 (en) * | 2011-01-30 | 2012-08-02 | 海尔集团公司 | Wireless power supply system and load identification and control method thereof |
| CN103326477A (en) * | 2013-06-26 | 2013-09-25 | 中国电子科技集团公司第四十九研究所 | Non-contact signal and energy coupling transmitting device |
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| TWI427942B (en) * | 2011-04-08 | 2014-02-21 | Realtek Semiconductor Corp | Communication apparatus with transmission rate detecting function and method thereof |
| JP5764082B2 (en) | 2012-03-06 | 2015-08-12 | 株式会社アドバンテスト | Wireless power receiving device, wireless power feeding device, and wireless power transmission system |
| TWI637584B (en) * | 2017-06-06 | 2018-10-01 | 緯創資通股份有限公司 | Voltage regulator and control method |
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2008
- 2008-08-20 TW TW097131842A patent/TWI376858B/en active
- 2008-09-04 CN CN200810213778A patent/CN101667753A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102591440A (en) * | 2010-11-29 | 2012-07-18 | 佳能株式会社 | Electronic device and controlling method thereof |
| CN102591440B (en) * | 2010-11-29 | 2016-02-24 | 佳能株式会社 | Electronic installation and control method thereof |
| US9331517B2 (en) | 2010-11-29 | 2016-05-03 | Canon Kabushiki Kaisha | Electronic device, method, and storage medium |
| CN102545352A (en) * | 2010-12-10 | 2012-07-04 | 佳能株式会社 | Power supply apparatus, battery pack, method, and storage medium |
| US9343921B2 (en) | 2010-12-10 | 2016-05-17 | Canon Kabushiki Kaisha | Power supply apparatus, battery pack, method, and storage medium |
| CN102545352B (en) * | 2010-12-10 | 2016-10-05 | 佳能株式会社 | Power supply unit and control method thereof and set of cells |
| WO2012100439A1 (en) * | 2011-01-30 | 2012-08-02 | 海尔集团公司 | Wireless power supply system and load identification and control method thereof |
| CN103460553A (en) * | 2011-01-30 | 2013-12-18 | 海尔集团公司 | Wireless power supply system and load identification and control method thereof |
| CN103460553B (en) * | 2011-01-30 | 2016-08-17 | 海尔集团公司 | Wireless power supply system and remained capacity control method thereof |
| CN103326477A (en) * | 2013-06-26 | 2013-09-25 | 中国电子科技集团公司第四十九研究所 | Non-contact signal and energy coupling transmitting device |
Also Published As
| Publication number | Publication date |
|---|---|
| TWI376858B (en) | 2012-11-11 |
| TW201010235A (en) | 2010-03-01 |
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Application publication date: 20100310 |