CN104753181B - A kind of wireless electric energy transmission device of tape relay - Google Patents
A kind of wireless electric energy transmission device of tape relay Download PDFInfo
- Publication number
- CN104753181B CN104753181B CN201310733792.9A CN201310733792A CN104753181B CN 104753181 B CN104753181 B CN 104753181B CN 201310733792 A CN201310733792 A CN 201310733792A CN 104753181 B CN104753181 B CN 104753181B
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 29
- 238000011084 recovery Methods 0.000 claims abstract description 22
- 238000010248 power generation Methods 0.000 claims abstract description 14
- 230000005611 electricity Effects 0.000 claims description 14
- 239000000203 mixture Substances 0.000 claims description 2
- 238000005516 engineering process Methods 0.000 abstract description 5
- 230000005672 electromagnetic field Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002775 capsule Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000005674 electromagnetic induction Effects 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000003071 parasitic effect Effects 0.000 description 1
Classifications
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- H02J5/005—
Abstract
A kind of wireless electric energy transmission device belongs to electromagnetic field technology field.Including emitter, relay and reception device, emitter includes power generation circuit, two groups or more energy-activation coil and energy transmitting coil；Energy transmitting number of coils is identical with the quantity of energy-activation coil；Energy transmitting coil is placed between energy-activation coil, and is placed with energy-activation coil parallel side-by-side；Multiple energy-activation coils as a whole with power generation circuit series/parallel connection；Reception device includes energy acceptance coil, energy recovery coil and energy recovery circuit；Energy recovery coil is connect with energy recovery circuit；Energy acceptance coil is set with energy recovery coil parallel side-by-side；Relay is relaying resonance coil, and quantity is identical with the quantity of energy transmitting coil, is positioned between the energy transmitting coil and energy acceptance coil, and is placed with energy transmitting coil parallel side-by-side.The present invention generates stronger magnetic field between energy transmitting coil, and the attenuation in magnetic field, the range of effective energization transmission can be reduced around relaying resonance coil.
Description
Technical field
The invention belongs to electromagnetic field technology field, more particularly to wireless electric energy transmission device.
Background technology
" wireless power transmission " be using a kind of special installation by the electric energy of power supply be changed into can radio transmission energy,
Receiving terminal again by this energy conversion wire back can, so as to electrical appliance wireless power.Traditional wireless power transmission generally use is such as
Lower two technologies.（1）Electromagnetic induction principle.Two coils are positioned on close position, when electric current is moved in a coil midstream
When, generated magnetic flux becomes medium, causes also to generate electromotive force in another coil.（2）Electromagnetic wave energy can pass through
The principle and radio principle that antenna sends and receives are essentially identical.This two technologies are limited in that：It can not be farther out
Higher energy transmission efficiency is obtained apart from interior.In recent years, the close coupling magnetic resonance proposed by the Massachusetts Institute of Technology
（StronglyCoupled Magnetic Resonances）Theory, tentatively solving " wireless power transmission " can not take into account far
Distance and efficient problem, but based on this theoretical wireless energy transfer system, generally use geometric dimension is larger and identical
Transmitting and receiving coil, and small size receiving coil is used then to be difficult to keep middle range transmission properties.
Invention content
For above-mentioned technical problem, the present invention provides a kind of wireless electric energy transmission device of tape relay, it is used
Magnetic resonance principle increases the distance of energy transmission with repeating coil.
Present invention technical solution used for the above purpose is：A kind of wireless electric energy transmission device of tape relay,
Including emitter, reception device and relay；
The emitter includes power generation circuit, two groups or more energy-activation coil and energy transmitting line
Circle；
The energy transmitting number of coils is identical with the quantity of energy-activation coil；
The energy transmitting coil is placed between energy-activation coil, and is placed with energy-activation coil parallel side-by-side；
The multiple energy-activation coil as a whole with power generation circuit series/parallel connection；
The reception device includes energy acceptance coil, energy recovery coil and energy recovery circuit；
The energy recovery coil is connect with energy recovery circuit；
The energy acceptance coil is set with energy recovery coil parallel side-by-side；
The relay is relaying resonance coil, and quantity is identical with the quantity of energy transmitting coil, is positioned over the energy
It measures between transmitting coil and energy acceptance coil, and is placed with energy transmitting coil parallel side-by-side.
The energy transmitting coil be three groups or more when, be placed in around reception device, and with the reception device
Energy acceptance coil parallel side-by-side is set.
The energy acceptance coils from parallel connection of coils has capacitance.
The energy transmitting coils from parallel connection of coils has capacitance.
The relaying resonance coil is parallel with capacitance.
The energy-activation coil is two or more wire coils in parallel, that size is identical or different.
It is described to relay wire coil group that resonance coil is placed side by side by two or more, that size is identical or different
Into.
The power generation circuit generates humorous with the electricity of the electricity resonant frequency of energy transmitting coil, relaying resonance coil
The identical frequency of electricity resonant frequency of vibration frequency, energy acceptance coil.
The present invention has the following advantages and beneficial effects：
Using same power generation circuit, 1. avoid different-energy generation circuit needs the energy-activation coil of the present invention
The problem of synchronizing.
2. the energy-activation coil of the present invention, an energy transmitting coil and a relaying resonance coil are one group,
Using two groups or more parallel connection, can be generated between two groups or more energy transmitting coil stronger and more uniform
Magnetic field increases effectively the distance of energy transmission, while can adjust relaying resonance coil position to change optimum capacity transmission
Distance.Compared with non-relay energy-activation coil and energy transmitting coil, when more remote, in the premise of same distance
Under, the coil of the structure can be with the efficiency of energization transmission；Under the premise of keeping energy transmission efficiency constant, the structure
Coil can effectively energization transmission distance.If energy transmitting coil, relaying resonance coil and energy acceptance coil
Electricity resonant frequency is identical, then does not need to the shunt capacitance on energy transmitting coil, relaying resonance coil and energy acceptance coil,
Otherwise, it needs to be parallel with capacitance respectively on energy transmitting coil, relaying resonance coil and energy acceptance coil, makes the electricity of the two
It is identical to learn resonant frequency.
3. the energy acceptance coil and energy recovery coil size of the present invention are less than energy-activation coil and energy transmitting line
Circle, suitable for the wireless electric energy transmission device of the medical electronic instruments such as capsule endoscope, implanted electric stimulator.
4. the present invention generates stronger magnetic field between energy transmitting coil, magnetic field can be reduced around relaying resonance coil
Attenuation, the range of effective energization transmission.In same distance, the efficiency of energization transmission；In energy transmission efficiency not
During change, the distance of energization transmission.
Description of the drawings
Fig. 1 is the structure diagram of the present invention；
Fig. 2 is the structure diagram of energy-activation coils from parallel connection of coils of the present invention；
Fig. 3 is the structure diagram of energy-activation coil of the present invention series connection.
In figure：1. energy-activation coil, 2. energy transmitting coils, 3. relaying resonance coils, 4. energy acceptance coils, 5. energy
Measure recovery coil.
Specific embodiment
The present invention is described in further detail with reference to the accompanying drawings and embodiments.
Embodiment 1：As shown in Figure 1, the present invention includes emitter, relay and reception device, as shown in Figure 1, Figure 2 institute
Show, the emitter includes power generation circuit, two groups or more energy-activation coil 1 and energy transmitting coil 2, institute
It is identical with the quantity of energy-activation coil 1 to state 2 quantity of energy transmitting coil, the energy transmitting coil 2 is respectively and energy-activation
1 parallel side-by-side of coil is placed, and between energy-activation coil 1, the energy-activation coil 1 and power generation circuit series connection
Connection when the energy transmitting coil 2 is two groups, is respectively placed in reception device both sides, the energy transmitting coil 2 for three groups or
It when more, is placed in around reception device, this example selects two groups of energy-activation coils 1 and energy transmitting coil 2；And energy transmitting
Coil 2 is set with the relaying resonance coil 3 of relay and 4 parallel side-by-side of energy acceptance coil of reception device.
Relay described in this example includes relaying resonance coil 3, and the relaying resonance coil 3 and energy transmitting coil 2 are flat
Row is set up in parallel.
Reception device described in this example includes energy acceptance coil 4, energy recovery coil 5 and energy recovery circuit, the energy
Amount recovery coil 5 is connected with energy recovery circuit, energy acceptance coil 4 and the setting of 5 parallel side-by-side of energy recovery coil, the energy
It measures restoring circuit and uses existing conventional rectification regulator circuit.
This example is to make energy transmitting coil 2, relaying resonance coil 3 identical with the electricity resonant frequency of energy acceptance coil 4,
Either using energy transmitting coil 2, the parasitic capacitance of relaying resonance coil 3 and energy acceptance coil 4 itself or described
Energy transmitting coil 2, relaying resonance coil 3 and energy acceptance coil 4 distinguish shunt capacitance.
Power generation circuit described in this example can be that various oscillators and power amplifier connect and compose, caused by
The frequency of energy signal, the electricity resonant frequency of energy transmitting coil 2, the electricity resonant frequency for relaying resonance coil 3, energy connect
The electricity resonant frequency of take-up circle 4 is identical.The energy-activation coil 1 it is in parallel by two or more, size it is identical or
Different wire coil compositions, and multiple coils are connected in parallel on power generation circuit in the same circuit as a whole.The relaying
Resonance coil 3 can be made of one or more wire coils placing side by side, that size is identical or different.
Power generation circuit generates the energy signal of fixed frequency, such as sine wave signal.The frequency of its signal is equal to energy
The electricity resonant frequency of transmitting coil 2.This frequency is also to relay the electricity resonant frequency of resonance coil 3 and energy acceptance coil 4.
When whole system works, magnetic resonance occurs for energy transmitting coil 2, relaying resonance coil 3 and energy acceptance coil 4, with higher
Efficiency transmits energy.
Embodiment 2：This example is identical with 1 overall structure of embodiment, unlike：As shown in figure 3, emit dress described in this example
The energy-activation coil 1 put is the wire coil that two or more are connected, size is identical or different.The energy transmitting
Coil 2 is two groups or more, when being two groups, is respectively placed in the both sides of energy acceptance coil 4, the energy transmitting coil
2 be three groups or more when, be placed in around energy acceptance coil 4.The relaying resonance coil 3 is placed side by side to be one or more
, the wire coil that size is identical or different.This example selects two groups of energy-activation coils 1, energy transmitting coil 2 and relaying resonance
Coil 3.
Claims (5)
1. a kind of wireless electric energy transmission device of tape relay, which is characterized in that including emitter, reception device and relaying dress
It puts；
The emitter includes power generation circuit, two groups or more energy-activation coil and energy transmitting coil；Institute
Power generation circuit is stated to generate and the electricity resonant frequency of energy transmitting coil, the electricity resonant frequency for relaying resonance coil, energy
Measure the identical frequency of the electricity resonant frequency of receiving coil；
The energy transmitting number of coils is identical with the quantity of energy-activation coil；
The energy transmitting coil is placed between energy-activation coil, and is placed with energy-activation coil parallel side-by-side；
The energy-activation coil as a whole with power generation circuit series/parallel connection；
The reception device includes energy acceptance coil, energy recovery coil and energy recovery circuit；The energy transmitting coil
It when being three groups or more, is placed in around reception device, and is set with the energy acceptance coil parallel side-by-side of the reception device；
The energy recovery coil is connect with energy recovery circuit；
The energy acceptance coil is set with energy recovery coil parallel side-by-side；
The relay is relaying resonance coil, and quantity is identical with the quantity of energy transmitting coil, is positioned over the energy hair
Between ray circle and energy acceptance coil, and placed with energy transmitting coil parallel side-by-side；The relaying resonance coil is by two
Or more than two wire coil compositions placing side by side, that size is identical or different.
A kind of 2. wireless electric energy transmission device of tape relay according to claim 1, which is characterized in that the energy acceptance
Coils from parallel connection of coils has capacitance.
A kind of 3. wireless electric energy transmission device of tape relay according to claim 1, which is characterized in that the energy transmitting
Coils from parallel connection of coils has capacitance.
A kind of 4. wireless electric energy transmission device of tape relay according to claim 1, which is characterized in that the relaying resonance
Coils from parallel connection of coils has capacitance.
A kind of 5. wireless electric energy transmission device of tape relay according to claim 1, which is characterized in that the energy-activation
Coil is two or more wire coils in parallel, that size is identical or different.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310733792.9A CN104753181B (en) | 2013-12-25 | 2013-12-25 | A kind of wireless electric energy transmission device of tape relay |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310733792.9A CN104753181B (en) | 2013-12-25 | 2013-12-25 | A kind of wireless electric energy transmission device of tape relay |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104753181A CN104753181A (en) | 2015-07-01 |
| CN104753181B true CN104753181B (en) | 2018-06-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310733792.9A Expired - Fee Related CN104753181B (en) | 2013-12-25 | 2013-12-25 | A kind of wireless electric energy transmission device of tape relay |
Country Status (1)
| Country | Link |
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| CN (1) | CN104753181B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106230127A (en) * | 2016-03-04 | 2016-12-14 | 中惠创智无线供电技术有限公司 | Point-to-point wireless power coil coupling model and point-to-point wireless power supply system |
| CN110380520A (en) * | 2019-05-16 | 2019-10-25 | 刘溯奇 | A kind of static wireless charging method and device for mobile robot |
| CN112564315A (en) * | 2020-11-26 | 2021-03-26 | 国网浙江省电力有限公司杭州供电公司 | Optimal position determination method for relay coil based on optimal coupling coefficient interval |
| CN114157327B (en) * | 2021-11-30 | 2023-08-15 | 北京交大思诺科技股份有限公司 | Antenna design method for improving action range |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013021886A (en) * | 2011-07-14 | 2013-01-31 | Sony Corp | Power supply apparatus, power supply system, vehicle, and electronic apparatus |
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2013
- 2013-12-25 CN CN201310733792.9A patent/CN104753181B/en not_active Expired - Fee Related
Non-Patent Citations (1)
| Title |
|---|
| General Analysis on the Use of Tesla’s Resonators in Domino Forms for Wireless Power Transfer;Wenxing Zhong,Chi,Kwan Lee;《IEEE TRANSACTIONS ON INDUSTRIAL ELECTRONICS》;20130131;第261-270页 * |
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| Publication number | Publication date |
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| CN104753181A (en) | 2015-07-01 |
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