CN107749772A - A kind of wireless energy synchronizing information Transmission system - Google Patents
A kind of wireless energy synchronizing information Transmission system Download PDFInfo
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- CN107749772A CN107749772A CN201711261224.8A CN201711261224A CN107749772A CN 107749772 A CN107749772 A CN 107749772A CN 201711261224 A CN201711261224 A CN 201711261224A CN 107749772 A CN107749772 A CN 107749772A
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 30
- 230000008878 coupling Effects 0.000 claims abstract description 59
- 238000010168 coupling process Methods 0.000 claims abstract description 59
- 238000005859 coupling reaction Methods 0.000 claims abstract description 59
- 230000033228 biological regulation Effects 0.000 claims abstract description 16
- 238000004146 energy storage Methods 0.000 claims description 7
- 238000012545 processing Methods 0.000 claims description 6
- 230000008859 change Effects 0.000 claims description 4
- 230000003321 amplification Effects 0.000 claims description 2
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 2
- 230000009466 transformation Effects 0.000 claims description 2
- 238000004891 communication Methods 0.000 abstract description 16
- 238000012546 transfer Methods 0.000 abstract description 5
- 230000001360 synchronised effect Effects 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 10
- 238000013461 design Methods 0.000 description 6
- 230000001413 cellular effect Effects 0.000 description 5
- 238000010276 construction Methods 0.000 description 5
- 230000008901 benefit Effects 0.000 description 4
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- 230000005611 electricity Effects 0.000 description 2
- 238000002513 implantation Methods 0.000 description 2
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B5/00—Near-field transmission systems, e.g. inductive or capacitive transmission systems
- H04B5/70—Near-field transmission systems, e.g. inductive or capacitive transmission systems specially adapted for specific purposes
- H04B5/79—Near-field transmission systems, e.g. inductive or capacitive transmission systems specially adapted for specific purposes for data transfer in combination with power transfer
-
- 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
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B5/00—Near-field transmission systems, e.g. inductive or capacitive transmission systems
- H04B5/20—Near-field transmission systems, e.g. inductive or capacitive transmission systems characterised by the transmission technique; characterised by the transmission medium
- H04B5/24—Inductive coupling
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B5/00—Near-field transmission systems, e.g. inductive or capacitive transmission systems
- H04B5/70—Near-field transmission systems, e.g. inductive or capacitive transmission systems specially adapted for specific purposes
- H04B5/72—Near-field transmission systems, e.g. inductive or capacitive transmission systems specially adapted for specific purposes for local intradevice communication
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- Computer Networks & Wireless Communication (AREA)
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- Power Engineering (AREA)
- Near-Field Transmission Systems (AREA)
Abstract
The present invention proposes a kind of wireless energy synchronizing information Transmission system, including signal modulator (1), the first coupling transformer (2), alternating current source (3), the first multi-resonant unit (4), main coupling coil (5), the second multi-resonant unit (6), the second coupling transformer (7), load (8) and demodulator of PM signal PM (9).The present invention constructs multi-resonant unit, and the unit comprises at least two resonant frequencies, on the basis of good energy transmission performance is ensured, introduces a signal frequency, both can reach in synchronous transfer does not interfere with each other.The present invention makes energy and information to obtain optimal transmission characteristic.The present invention gives a kind of signal coupling transformer that can adjust the coefficient of coup simultaneously, and the anglec of rotation by adjusting the coupling transformer can reach regulation communication system signal receiving voltage and the purpose of signal to noise ratio.
Description
Technical field
The invention belongs to wirelessly take energy communication technical field, more particularly to a kind of wireless energy synchronizing information Transmission system.
Background technology
With technological accumulation nearly ten years, in vitro achievement in research gradually moves towards industrialization.Many high-new skills
Art product such as new-energy automobile, human body implantation type equipment, smart machine etc. use wireless energy transmission technology.Many of which
Product needs supporting communications facility, by taking the wireless energy transmission technology of human body implantation type equipment as an example, at the beginning of the design of the technology
Inner feelings is in order that corresponding Medical Devices can be by way of powering in continuous firing in patient body, to avoid second operation in vitro
More pains are brought to patient.Because the equipment works in human body, therefore volume is an important technology index, additionally due to
Need monitoring device running status and grasp relative physiologic index, energy transmission system need to undertake certain communication function with
Meet the requirement of data transfer.Traditional design can increase the communication modules such as extra WIFI, and system needs extra sky
Between arrange antenna, it is therefore desirable to develop a kind of technology to be communicated using energy transmission loop.In order to meet this demand
Magnet coupled resonant type wireless is developed and has taken the energy communication technology, the technology includes the magnet coupled resonant type wireless communication technology and magnetic coupling
Two parts of resonance type wireless energy transmission technology are closed, both system architectures are similar, using alternating magnetic field as transmission means, lead to
Electromagnetic induction principle is crossed to receive energy and information and complete to demodulate work, existing technical scheme is mostly with single resonance
The system architecture of frequency is designed, and the efficiency of transmission for taking into account energy and information is difficult to during design.
The content of the invention
The present invention proposes a kind of wireless energy synchronizing information Transmission system, the present invention to solve existing technical problem
Designed wireless energy synchronizing information Transmission system using multi-resonant topology, communication frequency rationally make use of system other are humorous
Vibration frequency, compared to existing method can not influence energy transmission while it is farther, faster, more efficiently transmit information.
The purpose of the present invention is achieved through the following technical solutions：A kind of wireless energy synchronizing information Transmission system, including letter
Number modulator 1, the first coupling transformer 2, alternating current source 3, the first multi-resonant unit 4, main coupling coil 5, the second multi-resonant unit
6th, the second coupling transformer 7, load 8 and demodulator of PM signal PM 9；The primary side phase of the signal modulator 1 and the first coupling transformer 2
Connection；One end connection alternating current source 3 in the secondary of first coupling transformer 2, the other end connect the first multi-resonant unit 4；
The other end of the alternating current source 3 connects the first multi-resonant unit 4；The first multi-resonant unit 4 passes through main coupling coil 5 and
Two multi-resonant units 6 connect；The second multi-resonant unit 6 is connected with one end in the primary side of the second coupling transformer 7, described
Load 8 is connected with the other end in the primary side of the second coupling transformer 7；The load 8 is connected with the second multi-resonant unit 6；Institute
The secondary for stating the second coupling transformer 7 is connected with demodulator of PM signal PM 9；The first multi-resonant unit 4 and second multi resonant
The structure of unit 6 of shaking is identical.
Further, the main coupling coil 5 includes transmitting coil and receiving coil, the first multi-resonant unit 4 with
Transmitting coil is connected, and the second multi-resonant unit 6 is connected with receiving coil, and energy by transmitting coil and receives line with information
Mutual inductance between circle is transmitted.
Further, the first multi-resonant unit 4 and the second multi-resonant unit 6 are the inverted L that 2 energy-storage travelling wave tubes are formed
Type structure.
Further, the first multi-resonant unit 4 and the second multi-resonant unit 6 are the T that 3 energy-storage travelling wave tubes are formed
Type, π types, triangular form or hub-and-spoke configuration.
Further, the signal modulator 1 includes signal modulation module, power amplifier module, the first traffic rate tune
Economize on electricity resistance and the first resonance compensation network；The signal modulation module, power amplifier module, the first traffic rate regulation resistance
It is sequentially connected with the first resonance compensation network, the first resonance compensation network is connected with the first coupling transformer 2.
Further, the demodulator of PM signal PM 9 includes the second resonance compensation network, the second traffic rate regulation resistance, letter
Number processing module and signal demodulation module；The second resonance compensation network, the second traffic rate regulation resistance, signal transacting
Module and signal demodulation module are sequentially connected, and the second resonance compensation network is connected with the second coupling transformer 7.
Further, first coupling transformer 2 and second coupling transformer 7 are using square or circular helical
Pipe coil winding, by rotating the change coefficient of coup about the z axis.
Advantage of the present invention is mainly reflected in the following aspects：
1st, present invention employs multiple resonant structures, multiple resonant structures provided by the present invention to have multiple resonant frequencies, adopt
It can be stablized with one of resonant frequency, efficient transmission energy, use another resonant frequency can be with compared with high s/n ratio
At a high speed, information is efficiently transmitted, and energy can carry out not influenceing between each other simultaneously with information transfer, therefore using this
Multi resonant vibrating system in invention can efficiently realize energy and the purpose of synchronizing information transmission.
2nd, the invention provides a kind of signal coupling using multiple resonant structures own inductance element and extracting mode, this
Kind mode can efficiently reduce extra increased number of devices.The adjustable coupling transformer which provides is compared to general
Coupling coil has can be by rotating the advantages of regulation coefficient of coup is so as to change communication system output characteristics.
Brief description of the drawings
Fig. 1 is wireless energy synchronizing information Transmission system structure chart；
Fig. 2 is the multi-resonant cellular construction figure of inverted L shape structure；
Fig. 3 is the multi-resonant cellular construction figure of T-type structure；
Fig. 4 is the multi-resonant cellular construction figure of π type structures；
Fig. 5 is the multi-resonant cellular construction figure of triangular form structure；
Fig. 6 is the multi-resonant cellular construction figure of hub-and-spoke configuration；
Fig. 7 is coupling transformer (containing magnetic core) schematic diagram；
Fig. 8 is coupling transformer (being free of magnetic core) schematic diagram；
Fig. 9 is signal modulator structure chart；
Figure 10 is demodulator of PM signal PM structure chart.
Embodiment
The technical scheme in the embodiment of the present invention is carried out below in conjunction with the accompanying drawing in the embodiment of the present invention clear, complete
Ground describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.Based on this
Embodiment in invention, the every other reality that those of ordinary skill in the art are obtained under the premise of creative work is not made
Example is applied, belongs to the scope of protection of the invention.
With reference to Fig. 1, the present invention provides a kind of wireless energy synchronizing information Transmission system, including signal modulator 1, the first coupling
Close transformer 2, alternating current source 3, the first multi-resonant unit 4, main coupling coil 5, the second multi-resonant unit 6, the second coupling transformer
7th, load 8 and demodulator of PM signal PM 9；The signal modulator 1 is connected with the primary side of the first coupling transformer 2；First coupling
One end connection alternating current source 3 in the secondary of transformer 2 is closed, the other end connects the first multi-resonant unit 4；The alternating current source 3 it is another
One end connects the first multi-resonant unit 4；The first multi-resonant unit 4 is connected by main coupling coil 5 and the second multi-resonant unit 6
Connect；The second multi-resonant unit 6 is connected with one end in the primary side of the second coupling transformer 7, and the load 8 couples with second
Other end connection in the primary side of transformer 7；The load 8 is connected with the second multi-resonant unit 6；Second coupling transformer
7 secondary is connected with demodulator of PM signal PM 9；The first multi-resonant unit 4 is identical with 6 structures of the second multi-resonant unit.
Wireless energy synchronizing information Transmission system of the present invention, it is applied to the wireless energy transfer system of near-field communication,
Longer-distance high speed can be carried out while good electric energy transmission performance is kept, efficiently communicated；Corresponding multi-resonant
Unit, collectively as the compensation network of system, generates the system with multiple resonant frequencies with coupling transformer.
The main coupling coil 5 includes transmitting coil and receiving coil, and the first multi-resonant unit 4 connects with transmitting coil
Connect, the second multi-resonant unit 6 is connected with receiving coil, and energy and information pass through mutual between transmitting coil and receiving coil
Feel to be transmitted.
With reference to Fig. 2-Fig. 6, the first multi-resonant unit 4 and the second multi-resonant unit 6 are that 2 energy-storage travelling wave tubes are formed
Inverted L shape structure, or T-shaped, π types, triangular form or the hub-and-spoke configuration formed both at 3 energy-storage travelling wave tubes.The energy-storage travelling wave tube
For inductance or electric capacity.The first multi-resonant unit 4 and the second multi-resonant unit 6 can also be other forms structure.Structure
Multi resonant vibrating system has multiple resonant frequencies, and the one of frequency of Systematic selection is made as energy transmission frequency, another frequency
For signal transmission frequencies, energy and information are transmitted by the mutual inductance between main coupling coil.
With reference to Fig. 7 and Fig. 8, Fig. 7 is the coupling transformer with magnetic core, and Fig. 8 is the coupling transformer without magnetic core, described the
One coupling transformer 2 and second coupling transformer 7 are using square or circular solenoid coil coiling, by revolving about the z axis
Turn to change the coefficient of coup.Coupling transformer make use of the inductance element itself having in multi-resonant unit, compared to other information
Load mode, element needed for system is effectively reduced, reduces equipment volume.The coupling transformer has the coefficient of coup simultaneously
The advantages of adjustable, the coefficient of coup can be changed between 0 to 1 by rotating about the z axis, the conditional manner is in the present invention adjusting
The signal to noise ratio and reception signal amplitude of signal.Can be by way of loading magnetic core when the communication frequency within using 1MHz
Further reduce transformer leakage inductance and reduce volume.
With reference to Fig. 9, the signal modulator 1 includes signal modulation module, power amplifier module, the regulation of the first traffic rate
Resistance and the first resonance compensation network；The signal modulation module, power amplifier module, the first traffic rate regulation resistance and
First resonance compensation network is sequentially connected, and the first resonance compensation network is connected with the first coupling transformer 2.Signal modulator
1 produces modulated signal using signal modulation modes such as FSK, ASK, because the modulated signal can not export relatively high power therefore rear
Level increase one-level power amplifier module is to hoisting power fan-out capability.Increase traffic rate regulation resistance simultaneously, adjust the electricity
The resistance of resistance can adjust the response time of communication loop, and the response time has corresponded to the maximum communication rate of system, therefore logical
The introducing of letter rate adaptation resistance can adjust system maximum communication rate.In order to which the reactive power in thermal compensation signal loop is provided with
For the resonance compensation network of signal frequency design, increased resonance compensation network can be maximumlly same by signal transmission power
When there is selecting frequency characteristic can filter out partial noise, can use more complicated multi-resonant to obtain more preferable transmission characteristic
With humorous mode.
With reference to Figure 10, the demodulator of PM signal PM 9 includes the second resonance compensation network, the second traffic rate regulation resistance, letter
Number processing module and signal demodulation module；The second resonance compensation network, the second traffic rate regulation resistance, signal transacting
Module and signal demodulation module are sequentially connected, and the second resonance compensation network is connected with the second coupling transformer 7.Signal demodulates
Device 9 employs the resonance similar with signal modulator 1 with humorous mode to compensate the reactive power of communication loop and have filtering
Function is to ensure higher signal to noise ratio.Second traffic rate regulation resistance function is identical with the first traffic rate regulation resistance.By
In the signal collected, often signal amplitude is smaller therefore increase one stage signal processing module, the module include signal amplification, filter
Ripple module pre-processes to signal, and the signal after processing completes the solution of signal by way of differentiating frequency or envelope detection
Adjust work.
The present invention constructs multi-resonant unit, and the unit comprises at least two resonant frequencies, is ensureing good energy biography
On the basis of defeated performance, a signal frequency is introduced, both can reach in transmission does not interfere with each other.In two resonant frequencies
The reactive-load compensation to system can be met down, therefore efficiency of transmission is higher, it is enabled compared to original single resonance system, the present invention
Amount and information can obtain optimal transmission characteristic.Original design method needs power supply while takes into account energy output
And signal modulation task, signal coupled modes of the present invention reduce requirement of the system for power source performance, passed through
The power supply of two different capacity grades undertakes energy and the transformation task of information respectively, and this reduces demand for Power Management Design
And cost is saved.Coupling transformer designed by the present invention has the advantages of coefficient of coup is variable, can among actual use
To adjust the signal to noise ratio of system and signal receiving voltage by finely tuning this device, compared to preset parameter transformer to logical
Letter systematic parameter adjustment is brought conveniently.Compared to general energy and information transfer structural topology, the present invention is continuous steady in guarantee
Fixed energy transmits and taken into account when meeting the communication requirement of system the fine setting of whole efficiency and later stage system messaging parameter.
Above to a kind of wireless energy synchronizing information Transmission system provided by the present invention, it is described in detail, herein
In apply specific case to the present invention principle and embodiment be set forth, the explanation of above example is only intended to help
Assistant solves the method and its core concept of the present invention；Meanwhile for those of ordinary skill in the art, the think of according to the present invention
Think, in specific embodiments and applications there will be changes, in summary, this specification content should not be construed as pair
The limitation of the present invention.
Claims (7)
- A kind of 1. wireless energy synchronizing information Transmission system, it is characterised in that：Including signal modulator (1), the first coupling transformation Device (2), alternating current source (3), the first multi-resonant unit (4), main coupling coil (5), the second multi-resonant unit (6), the second coupling become Depressor (7), load (8) and demodulator of PM signal PM (9)；The signal modulator (1) is connected with the primary side of the first coupling transformer (2) Connect；One end connection alternating current source (3) in the secondary of first coupling transformer (2), the other end connect the first multi-resonant unit (4)；The other end of the alternating current source (3) connects the first multi-resonant unit (4)；The first multi-resonant unit (4) passes through main coupling Zygonema circle (5) is connected with the second multi-resonant unit (6)；The second multi-resonant unit (6) and the original of the second coupling transformer (7) One end connection in side, the load (8) are connected with the other end in the primary side of the second coupling transformer (7)；The load (8) It is connected with the second multi-resonant unit (6)；The secondary of second coupling transformer (7) is connected with demodulator of PM signal PM (9)；It is described First multi-resonant unit (4) is identical with the second multi-resonant unit (6) structure.
- 2. system according to claim 1, it is characterised in that：The main coupling coil (5) includes transmitting coil and reception Coil, the first multi-resonant unit (4) are connected with transmitting coil, and the second multi-resonant unit (6) is connected with receiving coil, Energy and information are transmitted by the mutual inductance between transmitting coil and receiving coil.
- 3. system according to claim 2, it is characterised in that：The first multi-resonant unit (4) and the second multi-resonant list First (6) are the inverted L shape structure that 2 energy-storage travelling wave tubes are formed.
- 4. system according to claim 2, it is characterised in that：The first multi-resonant unit (4) and the second multi-resonant list First (6) are T-shaped, π types, triangular form or the hub-and-spoke configuration that 3 energy-storage travelling wave tubes are formed.
- 5. the system according to claim 3 or 4, it is characterised in that：The signal modulator (1) includes signal modulation mould Block, power amplifier module, the first traffic rate regulation resistance and the first resonance compensation network；The signal modulation module, work( Rate amplification module, the first traffic rate regulation resistance and the first resonance compensation network are sequentially connected, the first resonance compensation net Network is connected with the first coupling transformer (2).
- 6. the system according to claim 3 or 4, it is characterised in that：The demodulator of PM signal PM (9) includes the second resonance compensation Network, the second traffic rate regulation resistance, signal processing module and signal demodulation module；The second resonance compensation network, Second traffic rate regulation resistance, signal processing module and signal demodulation module are sequentially connected, the second resonance compensation network It is connected with the second coupling transformer (7).
- 7. the system according to claim 3 or 4, it is characterised in that：First coupling transformer (2) and second coupling Transformer (7) is closed using square or circular solenoid coil coiling, by rotating the change coefficient of coup about the z axis.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201711261224.8A CN107749772B (en) | 2017-12-04 | 2017-12-04 | Wireless energy information synchronous transmission system |
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| CN201711261224.8A CN107749772B (en) | 2017-12-04 | 2017-12-04 | Wireless energy information synchronous transmission system |
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| CN107749772B CN107749772B (en) | 2020-12-11 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108962571A (en) * | 2018-07-23 | 2018-12-07 | 哈尔滨工业大学 | Cross type plane thread tubular type magnetic coupling arrangement |
| CN109474555A (en) * | 2018-10-22 | 2019-03-15 | 哈尔滨工业大学 | Wireless energy and data synchronous transmission system and its Parameters design based on inductive coupling and FSK modulation |
| CN112422159A (en) * | 2020-11-06 | 2021-02-26 | 西安电子科技大学 | Electro-magnetic quadrature coupling device for energy-carrying communication and energy-carrying communication system |
| CN117691980A (en) * | 2023-11-24 | 2024-03-12 | 宁波群芯微电子股份有限公司 | Magnetic coupling isolation relay circuit |
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| CN104158305A (en) * | 2014-07-30 | 2014-11-19 | 华南理工大学 | Energy and information synchronous transmission system based on self-adaptive magnetic coupling resonance matching |
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| CN107069990A (en) * | 2017-03-27 | 2017-08-18 | 华北电力大学（保定） | A kind of two-band magnet coupled resonant type wireless electric energy and signal synchronous transmission system |
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| CN103701227A (en) * | 2014-01-14 | 2014-04-02 | 哈尔滨工业大学 | Wireless energy and signal synchronous transmission system based on multi-resonant technique |
| WO2015172049A1 (en) * | 2014-05-09 | 2015-11-12 | The Board Of Trustees Of The Leland Stanford Junior University | Short range wireless communication |
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|---|---|---|---|---|
| CN108962571A (en) * | 2018-07-23 | 2018-12-07 | 哈尔滨工业大学 | Cross type plane thread tubular type magnetic coupling arrangement |
| CN109474555A (en) * | 2018-10-22 | 2019-03-15 | 哈尔滨工业大学 | Wireless energy and data synchronous transmission system and its Parameters design based on inductive coupling and FSK modulation |
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| CN112422159B (en) * | 2020-11-06 | 2021-06-25 | 西安电子科技大学 | Electro-magnetic quadrature coupling device for energy-carrying communication and energy-carrying communication system |
| CN117691980A (en) * | 2023-11-24 | 2024-03-12 | 宁波群芯微电子股份有限公司 | Magnetic coupling isolation relay circuit |
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| CN107749772B (en) | 2020-12-11 |
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