CN101621219B - Wireless receiving module and wireless energy transmitting system - Google Patents
Wireless receiving module and wireless energy transmitting system Download PDFInfo
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- CN101621219B CN101621219B CN2009101286787A CN200910128678A CN101621219B CN 101621219 B CN101621219 B CN 101621219B CN 2009101286787 A CN2009101286787 A CN 2009101286787A CN 200910128678 A CN200910128678 A CN 200910128678A CN 101621219 B CN101621219 B CN 101621219B
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Abstract
The invention relates to a wireless receiving module and a wireless energy transmitting system. The wireless receiving module comprises an energy receiving and transmitting module, a cell and a controller. The energy receiving module comprises a first resonator and a first voltage converter, wherein first transmitting energy on a resonator at the transmitting end is coupled to the first resonator to lead the first resonator to have first receiving energy; the first voltage converter is used for converting the first receiving energy so as to obtain a converted first energy signal; the cell responds to the converted first energy signal to carry out charging operation so as to store a system energy signal; the controller compares levels of the system energy signal and a reference voltage signal; when the level of the system energy signal is larger than or equal to the level of the reference voltage signal, the controller provides an enabled first control signal to control the energy receiving and transmitting module so that part of the system energy signal in the cell is used as a share energy signal to be output.
Description
Technical field
The invention relates to a kind of energy receiver module, and particularly relevant for a kind of wireless receiving module and the wireless energy transfer system that the energy that receives further can be shared to another energy receiver module.
Background technology
In the epoch now that development in science and technology is maked rapid progress, along with the electronic product of Radio Transmission Technology is more and more, the exploitation that reaches more high-power transmission technology by wireless transmission method more and more comes into one's own.In the prior art, utilize the energy coupling between resonator, the wireless receiving module end system that the wireless power supply module end of energy from energy transmission system is wirelessly transferred to energy transmission system exists.
In actual conditions, wireless receiving module can be applicable to multiple different hand-holding communication device, such as mobile phone, PDA(Personal Digital Assistant), wireless mouse, walkman ... Deng.Owing to the operating energy that various hand-holding communication device is required is all different, therefore how corresponding each wireless receiving module provides corresponding required energy and manages wireless power supply module provides energy to each wireless receiving module, and making efficient with the energy that promotes wireless energy transfer system is one of direction of constantly endeavouring of industry.
Summary of the invention
The invention relates to a kind of wireless receiving module, be applied to comprise in the wireless energy transfer system of wireless power supply module.The wireless receiving module that the present invention is correlated with is except having the energy receiver module that can receive the energy that wireless power supply module provides, and optionally receives energy that another wireless receiving module provides or the transmission of power energy transceiver module to another wireless receiving module and have more.So, compared to the conventional wireless energy transmission system, the wireless energy transfer system of using the wireless receiving module that the present invention is correlated with has effectively distribute energy to each wireless receiving module and energy service efficiency advantage of higher.
Propose a kind of wireless receiving module according to the present invention, in order to receive the energy that wireless power supply module provides, wireless power supply module comprises the transmitting terminal resonator.Wireless receiving module comprises energy transceiver module, energy receiver module, battery and controller.The energy receiver module comprises first resonator, and first emitted energy on the transmitting terminal resonator is coupled to first resonator, makes first resonator have first received energy.First electric pressure converter is in order to change first received energy, to obtain the conversion back first energy signal.Battery carries out charging operations in response to the conversion back first energy signal, with stocking system energy signal.The position of controller comparison system energy signal and reference voltage signal is accurate, standard is punctual more than or equal to the position of reference voltage signal when the position of system capacity signal, controller provides the first controlling signal control energy transceiver module of activation, so that the system capacity signal of part in the battery is exported as sharing the energy signal, standard is punctual less than the position of this reference voltage signal when the position of this system capacity signal, this controller provides this energy transceiver module of one second controlling signal activation of activation, and this energy transceiver module receives one second emitted energy that another transmitting terminal resonator provides.
Propose a kind of wireless energy transfer system according to the present invention, comprise wireless power supply module and wireless receiving module.Wireless power supply module comprises the transmitting terminal resonator, and the transmitting terminal resonator has first emitted energy.Wireless receiving module comprises energy transceiver module, energy receiver module, battery and controller.The energy receiver module comprises first resonator, and first emitted energy system on the transmitting terminal resonator is coupled to first resonator, makes first resonator have first received energy.First electric pressure converter is in order to change first received energy, to obtain the conversion back first energy signal.Battery carries out charging operations in response to the conversion back first energy signal, with stocking system energy signal.The position of controller comparison system energy signal and reference voltage signal is accurate, standard is punctual more than or equal to the position of reference voltage signal when the position of system capacity signal, controller provides the first controlling signal control energy transceiver module of activation, so that the system capacity signal of part in the battery is exported as sharing the energy signal, standard is punctual less than the position of this reference voltage signal when the position of this system capacity signal, this controller provides this energy transceiver module of one second controlling signal activation of activation, and this energy transceiver module receives one second emitted energy that another transmitting terminal resonator provides.
For foregoing of the present invention can be become apparent, embodiment cited below particularly, and conjunction with figs. are described in detail below:
Description of drawings
Fig. 1 is the calcspar of the wireless energy transfer system of the embodiment of the invention.
Fig. 2 is the detailed block diagram of wireless power supply module among Fig. 1.
Fig. 3 is the detailed block diagram of wireless receiving module 14_1 among Fig. 1.
Fig. 4 is the detailed circuit diagram of energy transceiver module 14b among invention Fig. 3.
Embodiment
The wireless receiving module of present embodiment has the energy transceiver module, energy requirement amount in order to the circuit used according to its wireless receiving module optionally the energy that receives shares to other wireless receiving module, or receives the energy that other wireless receiving module provides extraly.
Please refer to Fig. 1, it is the calcspar of the wireless energy transfer system of the embodiment of the invention.Wireless energy transfer system 1 comprises wireless power supply module 12 and a plurality of wireless receiving module 14_1-14_a, and wherein a is the natural number greater than 1.
Please refer to Fig. 2, it is the detailed block diagram of wireless power supply module among Fig. 1.For instance, wireless power supply module 12 comprises transmitting terminal resonator 12a and power circuit 12b.Power circuit 12b receives city electric signal Spw, and provides energy signal Sp1 to transmitting terminal resonator 12a, makes transmitting terminal resonator 12a have emitted energy (not illustrating).
In an example, power circuit 12b comprises civil power module 12b1, DC-AC converter (AC/DCConverter) 12b2, oscillator (Oscillator) 12b3 and impedance matching box 12b4.Civil power receiving circuit 12b1 receives and provides city electric flux signal Spw.City electric flux signal Spw is to provide switching energy signal Spwr in AC-DC converter 12b2 conversion.Pierce circuit 12b3 produces the preceding energy signal Spwro of coupling in response to switching energy signal Spwr.Impedance matching box 12b4 receives the preceding energy signal Spwro of coupling and provides energy signal Sp1 to transmitting terminal resonator 12a, makes transmitting terminal resonator 12a have emitted energy (not illustrating).
Because wireless receiving module 14_1-14_a has identical in fact circuit structure, next, be example only with wireless receiving module 14_1, the operation of wireless receiving module 14_1-14_a is further described.For instance, wireless receiving module 14_1 is applied to first electronic installation.For instance, first electronic installation can be comprise PDA(Personal Digital Assistant), mobile phone, mouse, walkman ... Deng portable electric device.
Please refer to Fig. 3, it is the detailed block diagram of wireless receiving module 14_1 among Fig. 1.Wireless receiving module comprises energy receiver module 14a, energy transceiver module 14b, controller 14c and battery 14d.Energy receiver module 14a comprises reception resonator Res1 and electric pressure converter Cov1.Emitted energy on the emission resonance device 12a is coupled to and receives resonator Res1, makes reception resonator Res1 have received energy.
Electric pressure converter Cov1 is in order to receive and the received energy that receives on the resonator Res1 is changed, so that conversion back energy signal Sp2 to be provided.For instance, electric pressure converter Cov1 is diode (Diode), and it is in order to carrying out rectification to received energy, so that energy signal Sp2 after the conversion that is essentially the dc energy signal to be provided.Battery 14d carries out charging operations in response to conversion back energy signal Sp2, with stocking system energy signal Svs.
The position of controller 14c comparison system energy signal Svs and reference voltage signal Svr is accurate.In an operational instances, accurate position more than or equal to reference voltage signal Svr, the position of system capacity signal Svs is accurate.In this example, controller 14c judges that the energy of system capacity signal Svs correspondence is higher than the required energy of the wireless receiving module 141 residing first electronic installation normal runnings.So, controller 14c provides the controlling signal Sc1 of activation and the controlling signal Sc2 control energy transceiver module 14b of disabled, so that system capacity signal Svs is partly seen through energy transceiver module 14b as sharing energy signal Ssr output.
In another operational instances, the accurate position standard that is lower than reference voltage signal Svr in the position of system capacity signal Svs.In this example, controller 14c judges that system capacity signal Svs is lower than the required energy of the residing first electronic installation normal running of wireless receiving module 14_1 to deserved energy.So, controller 14c provides the controlling signal Sc2 of activation and the controlling signal Sc1 control energy transceiver module 14b of disabled to receive another received energy signal Sp3.
Please refer to Fig. 4, it is the detailed circuit diagram of energy transceiver module 14b among Fig. 3 of the present invention.Energy transceiver module 14b comprises mains switch SW1, SW2, bleeder circuit CB, oscillator OSC, electric pressure converter Cov2, inductance L and capacitor C 1 and C2.
The energy of judging system capacity signal Svs correspondence at controller 14c is higher than in the operational instances of the required energy of this first electronic installation normal running, the controlling signal Sc1 that mains switch SW1 is controlled by activation is conducting, to receive the system capacity signal Svs that battery 14d stores.Mains switch SW2 is controlled by the controlling signal Sc2 of disabled for closing.This moment, inductance L and capacitor C 1 formed output resonator Res2.
Bleeder circuit CB is accurate in response to the position of the system capacity signal Svs that mains switch SW1 provides, and dividing potential drop produces shares voltage signal Svd.For instance, bleeder circuit CB comprises divider resistance R1 and R2, wherein divider resistance R1 and R2 one of them or all be variable resistor.In response to Action Events, the resistance value proportionate relationship of divider resistance R1 and R2 is determined, shares the dividing potential drop proportionate relationship of voltage signal Svd and system capacity signal Svs with decision.For instance, this Action Events is user's Action Events.
Oscillator OSC vibrates to produce and shares alternating voltage signal Svac in response to sharing voltage signal Svd.For instance, oscillator OSC comprises node NT, first switch and second switch.Has the alternating voltage of sharing signal Svac on the node NT.First switch is controlled by sequential signal CK1 conducting between the first phase, shares voltage signal Svd to node NT charging to provide, and the position of sharing alternating voltage signal Svac with lifting is accurate.Second switch is controlled by sequential signal CK2 in second phase conducting, and to provide the earthed voltage signal to node NT discharge, the position of sharing alternating voltage signal Svac with reduction is accurate.Wherein stagger each other during first and second (Non-overlapped).
In an example, first and second switch is for example realized by transistor T 1 and T2 respectively.Transistor T 1 and T2 be controlled by respectively frenquency signal CK1 between the first phase in conducting and be controlled by frenquency signal CK2 conducting in the second phase, to produce and share alternating voltage signal Svac in response to sharing voltage signal Svd vibration.In an example, transistor T 1 and T2 are P type gold oxygen half (P-type Metal Oxide Semiconductor, PMOS) transistor, frenquency signal CK1 and CK2 for example are the frenquency signal of anti-phase each other (Inversed).
Output resonator Res2 receives and shares alternating voltage signal Svac to have emitted energy (not illustrating) again.For instance, more comprise wireless transport module 16 in the wireless energy transfer system 1, wireless transport module 16 comprises resonator Res3.Emitted energy again on the output resonator Res2 of radio receiving transmitting module 14b is coupled to resonator Res3, exports wireless transport module 16 to will share energy signal Ssr.
The energy of judging system capacity signal Svs correspondence at controller 14c is lower than in the operational instances of the required energy of this first electronic installation normal running, mains switch SW1 is controlled by the controlling signal Sc1 of disabled for closing, and the controlling signal Sc2 that mains switch SW2 is controlled by activation is conducting.This moment, inductance L and capacitor C 2 formed input resonator Res2 '.
For instance, more comprise wireless transport module 16 in the wireless energy transfer system 1, wireless transport module 16 is to comprise resonator Res3.Has energy signal (not illustrating) on the resonator Res3.Energy system on the resonator Res3 is coupled to the input resonator Res2 ' among the radio receiving transmitting module 14b, to receive the energy signal Sp2 that wireless transport module 16 provides.
In the present embodiment, the normal direction that receives resonator Res1 and output resonator res2 is orthogonal, and the normal direction of resonator Res1 and input resonator Res2 ' is also orthogonal.So, the energy coupling that receives resonator Res1 not with output resonator Res2 and input resonator Res2 ' on the energy mutual interference mutually that is coupled.
According to above narration as can be known, whether the wireless receiving module 14_1 of present embodiment can decide the corresponding energy of system capacity signal Svs greater than the required energy of the residing first electronic installation normal running of wireless receiving module 14_1 according to the relation that the position of system capacity signal Svs is accurate and the position of reference voltage signal Svr is accurate.If wireless receiving module 14_1 provides unnecessary energy to wireless transport module 16 via radio receiving transmitting module 14b; If not, then receive the energy of wireless transport module 16 via radio receiving transmitting module 14b.
For instance, wireless transport module 16 can be other wireless receiving module among the wireless receiving module 14_1-14_a.In an example, wireless power supply module 12 provides total output energy Pt11, and the reception resonator among each wireless receiving module 14_1-14_a has identical resonance frequency with the emission resonance utensil, and so, each receives energy Pr that resonator receives for identical in fact and satisfied:
Wherein η is the transfer rate of the total output of wireless power supply module 12 outputs energy Pt11.
Yet each wireless receiving module 14_1-14_a is applied in the different electronic installation of energy requirement amount.For instance, wireless receiving module 14_i and 14_j system are applied to respectively in wireless mouse and the mobile phone, and the energy requirement amount of wireless mouse is less than the energy requirement amount of mobile phone, and wherein i and j are the natural number that is less than or equal to a.In an operational instances, the energy system that wireless receiving module 14_i received and be stored to the system capacity signal correspondence of battery is higher than the energy requirement amount of wireless mouse, and wireless receiving module 14_j receives and the energy that is stored to the system capacity signal correspondence of battery is lower than the energy requirement amount of mobile phone.So, the radio receiving transmitting module that sees through wherein of wireless receiving module 14_i provides extra energy to the wireless receiving module 14_j that is applied in the mobile phone.
The wireless receiving module of present embodiment has the energy transceiver module, the energy transceiver module is optionally shared the energy that receives to other wireless receiving module according to the energy requirement amount of the circuit that its wireless receiving module is used, or receives the energy that other wireless receiving module provides extraly.So, compared to the conventional wireless energy transmission system, the wireless energy transfer system of using the wireless receiving module that the present invention is correlated with has effectively distribute energy to each wireless receiving module and energy service efficiency advantage of higher.
In sum, though the present invention discloses as above with an 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.
Claims (12)
1. wireless receiving module, in order to receive the energy signal that a wireless power supply module provides, this wireless power supply module comprises a transmitting terminal resonator, it is characterized in that this wireless receiving module comprises:
The energy transceiver module;
The energy receiver module comprises:
First resonator, first emitted energy on this transmitting terminal resonator is coupled to this first resonator, makes this first resonator have first received energy; And
First electric pressure converter is in order to change this first received energy, to obtain a conversion back first energy signal;
Battery carries out charging operations in response to this conversion back first energy signal, to store a system capacity signal; And
Controller, relatively the position of this a system capacity signal and a reference voltage signal is accurate, standard is punctual more than or equal to the position of this reference voltage signal when the position of this system capacity signal, this controller provides one first controlling signal of activation to control this energy transceiver module, so that this system capacity signal of part in this battery is shared the output of energy signal as one, standard is punctual less than the position of this reference voltage signal when the position of this system capacity signal, this controller provides this energy transceiver module of one second controlling signal activation of activation, and this energy transceiver module receives one second emitted energy that another transmitting terminal resonator provides.
2. wireless receiving module as claimed in claim 1 is characterized in that this energy transceiver module more comprises:
Mains switch is activation in response to this first controlling signal of activation, to receive this system capacity signal;
Bleeder circuit, the accurate dividing potential drop in position of this system capacity signal that provides in response to this mains switch produces one and shares voltage signal;
Oscillator is shared voltage signal generation one in response to this and is shared the alternating voltage signal; And
Second resonator receives this and shares the alternating voltage signal and share the energy signal to have this, and this is shared the energy signal and is coupled to one the 3rd resonator, exports this by this and shares the energy signal; This bleeder circuit is accurate in response to the position that an Action Events determines this to share voltage signal, shares the intensity of energy signal to determine this accordingly.
3. wireless receiving module as claimed in claim 2 is characterized in that this oscillator comprises:
Node has this and shares the alternating voltage signal on this node;
First switch is controlled by one first sequential signal conducting between the first phase, shares voltage signal to this node charging so that this to be provided, and is accurate to promote this position of sharing the alternating voltage signal; And
Second switch is controlled by one second sequential signal in second phase conducting, and is to provide an earthed voltage signal to this node discharge, accurate to reduce this position of sharing the alternating voltage signal; Between this first phase and this second phase stagger each other.
4. wireless receiving module as claimed in claim 2 is characterized in that the normal direction of the normal direction of this first resonator and this second resonator is orthogonal.
5. wireless receiving module as claimed in claim 1 is characterized in that this energy transceiver module more comprises:
One inductor and a capacitor;
Switch, this second controlling signal conducting in response to activation is connected in parallel this inductor and this capacitor, to form second resonator, wherein this second emitted energy on this another transmitting terminal resonator is coupled to this second resonator, makes this second resonator have second received energy; And
Second electric pressure converter is in order to change this second received energy, to obtain the conversion back second energy signal;
Wherein, this battery more carries out charging operations in response to this conversion back second energy signal, to store this system capacity signal.
6. wireless receiving module as claimed in claim 5 is characterized in that the normal direction of this first resonator and the normal direction of this second resonator are orthogonal.
7. wireless energy transfer system comprises:
Wireless power supply module comprises a transmitting terminal resonator, and this transmitting terminal resonator has first emitted energy; And
Wireless receiving module comprises:
The energy transceiver module;
The energy receiver module comprises:
First resonator, this first emitted energy on this transmitting terminal resonator is coupled to this first resonator, makes this first resonator have first received energy; And
First electric pressure converter is in order to change this first received energy, to obtain a conversion back first energy signal;
Battery carries out charging operations in response to this conversion back first energy signal, to store a system capacity signal; And
Controller, relatively the position of this a system capacity signal and a reference voltage signal is accurate, standard is punctual more than or equal to the position of this reference voltage signal when the position of this system capacity signal, this controller provides first controlling signal of activation to control this energy transceiver module, so that this system capacity signal of part in this battery is shared the output of energy signal as one, standard is punctual less than the position of this reference voltage signal when the position of this system capacity signal, this controller provides this energy transceiver module of one second controlling signal activation of activation, and this energy transceiver module receives one second emitted energy that another transmitting terminal resonator provides.
8. wireless energy transfer system as claimed in claim 7 is characterized in that:
This wireless energy transfer system more comprises a wireless transmission circuit, and this wireless transmission circuit comprises one the 3rd resonator;
This energy transceiver module more comprises:
Mains switch is activation in response to this first controlling signal of activation, to receive this system capacity signal;
Bleeder circuit, the accurate dividing potential drop in position of this system capacity signal that provides in response to this mains switch produces one and shares voltage signal;
Oscillator is shared voltage signal generation one in response to this and is shared the alternating voltage signal; And
Second resonator, receiving this shares the alternating voltage signal and shares the energy signal to have this, this is shared the energy signal and is coupled to the 3rd resonator, export this by this and share the energy signal to this wireless transmission circuit, this bleeder circuit is accurate in response to the position that an Action Events determines this to share voltage signal, shares the intensity of energy signal to determine this accordingly.
9. wireless energy transfer system as claimed in claim 8 is characterized in that this oscillator comprises:
Node has this and shares the alternating voltage signal on this node;
First switch is controlled by first sequential signal conducting between a first phase, shares voltage signal to this node charging so that this to be provided, and is accurate to promote this position of sharing the alternating voltage signal; And
Second switch is controlled by the second sequential signal in second phase conducting, and is to provide an earthed voltage signal to this node discharge, accurate to reduce this position of sharing the alternating voltage signal; Between this first phase and this second phase stagger each other.
10. wireless energy transfer system as claimed in claim 8 is characterized in that the normal direction of the normal direction of this first resonator and this second resonator is orthogonal.
11. wireless energy transfer system as claimed in claim 7 is characterized in that:
This wireless energy transfer system more comprises a wireless transmission circuit, and this wireless transmission circuit comprises the second transmitting terminal resonator, in order to one second emitted energy to be provided.
12. wireless energy transfer system as claimed in claim 11 is characterized in that this energy transceiver module more comprises:
Inductor and capacitor;
Switch, this second controlling signal conducting in response to activation is connected in parallel this inductor and this capacitor, to form second resonator, wherein this second emitted energy system on this another transmitting terminal resonator is coupled to this second resonator, makes this second resonator have one second received energy; And
Second electric pressure converter is in order to change this second received energy, to obtain the conversion back second energy signal;
Wherein, this battery more carries out charging operations in response to this conversion back second energy signal, to store this system capacity signal.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101286787A CN101621219B (en) | 2009-03-17 | 2009-03-17 | Wireless receiving module and wireless energy transmitting system |
| TW098113390A TW201039527A (en) | 2009-03-17 | 2009-04-22 | Wireless receiving module and wireless energy transferring system |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101286787A CN101621219B (en) | 2009-03-17 | 2009-03-17 | Wireless receiving module and wireless energy transmitting system |
| TW098113390A TW201039527A (en) | 2009-03-17 | 2009-04-22 | Wireless receiving module and wireless energy transferring system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101621219A CN101621219A (en) | 2010-01-06 |
| CN101621219B true CN101621219B (en) | 2011-12-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2009101286787A Expired - Fee Related CN101621219B (en) | 2009-03-17 | 2009-03-17 | Wireless receiving module and wireless energy transmitting system |
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| CN (1) | CN101621219B (en) |
| TW (1) | TW201039527A (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102130477A (en) * | 2010-01-14 | 2011-07-20 | 昆盈企业股份有限公司 | Wireless charging device and charging method thereof |
| US9853478B2 (en) * | 2010-07-28 | 2017-12-26 | Qualcomm Incorporated | Low power detection of wireless power devices |
| CN102048367B (en) * | 2010-10-09 | 2013-01-02 | 惠州市德赛视听科技有限公司 | Wireless power supply desktop |
| EP2745417B1 (en) * | 2011-08-16 | 2019-06-19 | Signify Holding B.V. | Transparent capacitive wireless powering system |
| JP6067308B2 (en) | 2012-10-01 | 2017-01-25 | ローム株式会社 | Wireless power receiving circuit and electronic device using the same |
| CN103208662B (en) * | 2013-03-20 | 2016-06-29 | 西交利物浦大学 | Rechargeable built-in wireless battery |
| CN105703491A (en) * | 2014-11-28 | 2016-06-22 | 微动公司 | Transmitter and transmitter group |
| CN105162484B (en) * | 2015-07-21 | 2018-01-05 | 南方科技大学 | A kind of energy management method and system for being applied to letter energy simultaneous interpretation system receiving terminal |
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| TW201039527A (en) | 2010-11-01 |
| CN101621219A (en) | 2010-01-06 |
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