CN205901452U - Efficient dual -frenquency plane wireless energy transmission system - Google Patents
Efficient dual -frenquency plane wireless energy transmission system Download PDFInfo
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- CN205901452U CN205901452U CN201620633633.0U CN201620633633U CN205901452U CN 205901452 U CN205901452 U CN 205901452U CN 201620633633 U CN201620633633 U CN 201620633633U CN 205901452 U CN205901452 U CN 205901452U
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- microstrip line
- microstrip
- wireless energy
- resonator
- energy transfer
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Abstract
The utility model discloses an efficient dual -frenquency plane wireless energy transmission system, including transmitting terminal and receiving terminal, both have the same circuit structure, all include positive microstrip structure, middle medium base plate and back microstrip structure, positive microstrip structure printing is at the upper surface of middle medium base plate, microstrip structure printing in the back is at the lower surface of middle medium base plate, positive microstrip structure includes front feed coil, first syntonizer and second syntonizer, back microstrip structure is including the external connection port who connects front feed coil. The utility model discloses an utilize the high efficiency wireless energy transmission system of a feed coil to a dual -frenquency of syntonizer feed production of two different frequencies.
Description
Technical field
This utility model is related to a kind of wireless energy transfer system and in particular to a kind of wireless energy of efficient double frequency plane
Amount Transmission system.
Background technology
It is continuously increased with to contactlessly powered demand, wireless energy transmission technology constantly grows up.Recent years,
People start to carry out in-depth study to this technology.Wireless energy transmission technology using magnetic coupling resonance mode even more achieves
Many concerns, the aspect such as this technology power supply in electric automobile with miniature implantation medical equipment is widely used.
In recent years, increasing scholar participates in the research of multi-frequency radio energy transmission system.Compare single-frequency wireless energy transfer system
System, multi-frequency radio energy transmission system can provide more passages to come transmission energy or information.However, how to produce keep pouring in more
The efficiency of defeated passage and each passage of raising remains a very big challenge.
At present, some methods producing double-frequency wireless energy transmission system have been occurred in that.In document " m.-l.kung
and k.-h.lin,“investigation of dual-band coil module for near-field wireless
power transfer systems,”in proc.wireless power transfer conf.,jeju,korea,
2015, pp.265 268. ", in, have studied the method producing double frequency transmission channel using lumped capacity in parallel and inductance, but
It is due to employing lump components and parts, so this wireless energy transfer system is only capable of realizing high efficiency under less transmission range
Transmission.Document " m.dionigi and m.mongiardo, " a novel resonator for simultaneous
wireless power transfer and near field magnetic communications,”in ieee mtt-s
Int.microw.symp.dig., montreal, qc, canada, 2012, pp.1 3. " in, using by circular resonant coil and
The double frequency coil former of feeder loop composition coplanar therewith, improves the power transmission efficiency of wireless energy transfer system.But
The method is only limitted to apart from closer situation to the lifting of efficiency, and when long transmission distance, efficiency is not improved.Document
《t.c.beh,m.kate,t.imura,s.oh,and y.hori,“automated impedance matching system
for robust wireless power transfer via magnetic resonance coupling,”ieee
Trans.ind.electron., vol.60, no.9, pp.3689 3698, sep.2013. " in, by transmitting terminal and reception
End introduces matching network to improve the efficiency of transmission of double-frequency wireless energy transmission system.Although efficiency can obtain lifting,
Due to needing to access extra circuit, system becomes complicated.Therefore, one structure of design is simple, long transmission distance and efficiency high
Double-frequency wireless energy transmission system significant for the development promoting wireless energy transmission technology further.
Utility model content
In order to overcome shortcoming and the deficiency of prior art presence, this utility model provides a kind of efficient double frequency plane no
Heat input Transmission system.
This utility model adopts identical wideband microstrip structure, profit in the transmitting terminal of wireless energy transfer system and receiving terminal
With a feeder loop, the resonator feed of two different frequencies is produced with the high efficiency wireless energy transfer system of a double frequency；
Simultaneously as the resonator of two different frequencies separately designs the inside and outside in feeder loop, reduce the volume of circuit.
This utility model adopts the following technical scheme that
A kind of efficient double frequency plane wireless energy transfer system, including transmitting terminal and receiving terminal, described transmitting terminal and
Receiving terminal has identical circuit structure, all includes front microstrip structure, intermediate medium substrate and back side microstrip structure, described just
Face microstrip structure is printed on the upper surface of intermediate medium substrate, and described back side microstrip structure is printed on the following table of intermediate medium substrate
Face, described front microstrip structure includes front feeder loop, the first resonator and the second resonator.Described back side microstrip structure bag
Include the external-connected port connecting front feeder loop.
Described front feeder loop is by the 16th microstrip line 16, the 17th microstrip line 17, the 13rd microstrip line the 13, the 14th
Microstrip line 14 and the 15th microstrip line 15 are sequentially connected composition, the end of the wherein the 15th microstrip line 15 and the 16th microstrip line 16
End respectively pass through metallize via be connected with the external-connected port at the back side.
The 18th microstrip line 18 that described first resonator by the first electric capacity 30 and is sequentially connected, the 19th microstrip line 19,
20th microstrip line 20, the 21st microstrip line 21, the 22nd microstrip line 22, the 23rd microstrip line the 23, the 24th are micro-
Band wire 24, the 25th microstrip line 25, the 26th microstrip line 26, the 27th microstrip line 27, the 28th microstrip line 28 and
29th microstrip line 29 is constituted, described first electric capacity 30 be connected to the 22nd microstrip line 22 and the 28th microstrip line 28 it
Between.
Described second resonator is micro- by the second electric capacity 31 and the first microstrip line 1 being sequentially connected, the second microstrip line the 2, the 3rd
Band wire 3, the 4th microstrip line 4, the 5th microstrip line 5, the 6th microstrip line 6, the 7th microstrip line 7, the 8th microstrip line 8, the 9th microstrip line
9th, the tenth microstrip line 10, the 11st microstrip line 11 and the 12nd microstrip line 12 are constituted, and it is micro- that described second electric capacity 31 is connected to first
Between band wire 1 and the 7th microstrip line 7.
When as transmitting terminal, described external-connected port is as input port i/p, the two ends of connecting signal source；As reception
During end, described external-connected port, as output port o/p, connects the two ends of load.
Described second microstrip line 2 and the 6th microstrip line 6 are parallel to each other with the 13rd microstrip line 13, described 3rd microstrip line 3
It is parallel to each other with the 14th microstrip line 14, described 4th microstrip line 4 is parallel to each other with the 15th microstrip line 15, described 5th micro-strip
Line 5 is parallel to each other with the 17th microstrip line 17.
Described front feeder loop, the first resonator and the second resonator are square, and described second resonator is located at
Inside the feeder loop area defined of front, described front feeder loop is located inside the first resonator area defined.
The beneficial effects of the utility model:
(1) this utility model utilizes a feeder loop to produce a double frequency to the resonator feed of two different frequencies
High efficiency wireless energy transfer system；
(2) resonator of two different frequencies is separately designed inside and outside in feeder loop by this utility model, subtracts
The little volume of circuit, has saved cost.
Brief description
Fig. 1 is Facad structure figure of the present utility model.
Fig. 2 is backside structure figure of the present utility model.
Fig. 3 is size marking figure of the present utility model.
Fig. 4 is the simulation result under this utility model embodiment different frequency when transmission range is for 83mm.
Specific embodiment
With reference to embodiment and accompanying drawing, this utility model is described in further detail, but reality of the present utility model
Apply mode not limited to this.
Embodiment
Shown in Fig. 1-Fig. 2, a kind of efficient double frequency plane wireless energy transfer system, including transmitting terminal and receiving terminal,
Described transmitting terminal and receiving terminal have identical circuit structure, all include front microstrip structure, intermediate medium substrate and the back side micro-
Band structure, described front microstrip structure is printed on the upper surface of intermediate medium substrate, and described back side microstrip structure is printed on centre
The lower surface of medium substrate, described front microstrip structure includes front feeder loop, the first resonator and the second resonator.Described
Back side microstrip structure includes connecting the external-connected port of front feeder loop.By the transmitting terminal in system with receiving terminal using identical
Wideband microstrip structure, using a feeder loop, the resonator of two different frequencies is fed, improves wireless energy transfer
The efficiency of transmission of system.
Described front feeder loop is by the 16th microstrip line 16, the 17th microstrip line 17, the 13rd microstrip line the 13, the 14th
Microstrip line 14 and the 15th microstrip line 15 are sequentially connected composition, the end of the wherein the 15th microstrip line 15 and the 16th microstrip line 16
End respectively pass through metallize via be connected with the external-connected port at the back side.When described circuit is as wireless energy transfer system
During transmitting terminal, as input port i/p, the two ends of connecting signal source, for being transferred to the energy of alternating current source for this external-connected port
On resonator；When described circuit is as the receiving terminal of wireless energy transfer system, this external-connected port as output port o/p,
Connect the two ends of load, for the energy on resonator is transferred to load.
Described first resonator is by the 18th microstrip line 18, the 19th microstrip line 19, the 20th microstrip line the 20, the 21st
Microstrip line 21, the 22nd microstrip line 22, the 23rd microstrip line 23, the 24th microstrip line 24, the 25th microstrip line 25,
26th microstrip line 26, the 27th microstrip line 27, the 28th microstrip line 28, the 29th microstrip line 29 and the first electric capacity
30 vertically connect and compose successively, described first electric capacity 30 be connected to the 22nd microstrip line 22 and the 28th microstrip line 28 it
Between.
Described second resonator is by the first microstrip line 1, the second microstrip line 2, the 3rd microstrip line 3, the 4th microstrip line the 4, the 5th
Microstrip line 5, the 6th microstrip line 6, the 7th microstrip line 7, the 8th microstrip line 8, the 9th microstrip line 9, the tenth microstrip line the 10, the 11st are micro-
Band wire 11, the 12nd microstrip line 12 and the second electric capacity 31 vertically connect and compose successively, and it is micro- that described second electric capacity 31 is connected to first
Between band wire 1 and the 7th microstrip line 7.
Described second microstrip line 2 and the 6th microstrip line 6 are parallel to each other with the 13rd microstrip line 13, described 3rd microstrip line 3
It is parallel to each other with the 14th microstrip line 14, described 4th microstrip line 4 is parallel to each other with the 15th microstrip line 15, described 5th micro-strip
Line 5 is parallel to each other with the 17th microstrip line 17.
A kind of efficient double frequency plane wireless energy transfer system, the circuit chi of its transmitting/receiving terminal in the present embodiment
Very little mark figure is as shown in figure 3, be only an example of the present utility model below.In this example, medium substrate used is fr4,
Its thickness is 1.6mm, and dielectric constant is 4.4, and loss tangent is 0.02, and microstrip line thickness is 35um.In the present embodiment just
Face feeder loop, the first resonator and the second resonator are square, wherein length of side l of front feeder loop3=
118.4mm, live width w2=2.8mm；Inner ring length of side l of the first resonator2=132.4mm, outer ring length of side l1=150mm, live width w1
=4mm；First electric capacity c1=1.6nf；Inner ring length of side l of the second resonator5=80mm, outer ring length of side l4=100mm, live width w3
=4mm；Second electric capacity c2=0.78nf.Circuit overall dimensions are 150mm × 150mm.
Shown in Fig. 4 be transmission range be this utility model embodiment simulation result at different frequencies, in figure during 83mm
Vertical coordinate numeral represents efficiency of transmission, and unit is %.As seen from the figure, the utility model proposes double-frequency wireless energy transmission system
When being operated in 6.78mhz and 13.56mhz, efficiency of transmission can reach 90% and 66% respectively.
In sum, the utility model proposes a kind of efficient double frequency plane wireless energy transfer system, this circuit
By all using the resonator of different frequency, making the system can be farther out in the transmitting terminal of wireless energy transfer system and receiving terminal
Apart from upper efficiently transmission energy.Moreover, by separately designing the resonator of two different frequencies in feeder loop
Inside and outside, reduces the volume of circuit, has saved cost.
Above-described embodiment is this utility model preferably embodiment, but embodiment of the present utility model be not subject to described
The restriction of embodiment, other any without departing from the change made under spirit of the present utility model and principle, modify, replace
Generation, combination, simplification, all should be equivalent substitute mode, are included within protection domain of the present utility model.
Claims (7)
1. a kind of efficient double frequency plane wireless energy transfer system, including transmitting terminal and receiving terminal, described transmitting terminal and connecing
Receiving end has identical circuit structure it is characterised in that all including front microstrip structure, intermediate medium substrate and back side micro-strip knot
Structure, described front microstrip structure is printed on the upper surface of intermediate medium substrate, and described back side microstrip structure is printed on intermediate medium
The lower surface of substrate, described front microstrip structure includes front feeder loop, the first resonator and the second resonator, the described back side
Microstrip structure includes connecting the external-connected port of front feeder loop.
2. double frequency plane wireless energy transfer system according to claim 1 is it is characterised in that described front feeder loop
By the 16th microstrip line (16), the 17th microstrip line (17), the 13rd microstrip line (13), the 14th microstrip line (14) and the 15th
Microstrip line (15) is sequentially connected composition, and the end of the end of the wherein the 15th microstrip line (15) and the 16th microstrip line (16) is respectively
By metallizing, via is connected with the external-connected port at the back side.
3. double frequency plane wireless energy transfer system according to claim 1 it is characterised in that described first resonator by
First electric capacity (30) and the 18th microstrip line (18) being sequentially connected, the 19th microstrip line (19), the 20th microstrip line (20),
21 microstrip lines (21), the 22nd microstrip line (22), the 23rd microstrip line (23), the 24th microstrip line (24),
25 microstrip lines (25), the 26th microstrip line (26), the 27th microstrip line (27), the 28th microstrip line (28) and
29 microstrip lines (29) are constituted, and described first electric capacity (30) is connected to the 22nd microstrip line (22) and the 28th microstrip line
(28) between.
4. double frequency plane wireless energy transfer system according to claim 1 it is characterised in that described second resonator by
Second electric capacity (31) and the first microstrip line (1) being sequentially connected, the second microstrip line (2), the 3rd microstrip line (3), the 4th microstrip line
(4), the 5th microstrip line (5), the 6th microstrip line (6), the 7th microstrip line (7), the 8th microstrip line (8), the 9th microstrip line (9),
Ten microstrip lines (10), the 11st microstrip line (11) and the 12nd microstrip line (12) are constituted, and described second electric capacity (31) is connected to the
Between one microstrip line (1) and the 7th microstrip line (7).
5. double frequency plane wireless energy transfer system according to claim 1 is it is characterised in that during as transmitting terminal, institute
State external-connected port as input port i/p, the two ends of connecting signal source；During as receiving terminal, described external-connected port is as output
Port o/p, connects the two ends of load.
6. double frequency plane wireless energy transfer system according to claim 4 it is characterised in that the second microstrip line (2) and
6th microstrip line (6) and the 13rd microstrip line (13) are parallel to each other, described 3rd microstrip line (3) and the 14th microstrip line (14) phase
Mutually parallel, described 4th microstrip line (4) is parallel to each other with the 15th microstrip line (15), described 5th microstrip line (5) and the 17th
Microstrip line (17) is parallel to each other.
7. double frequency plane wireless energy transfer system according to claim 1 is it is characterised in that described front feed line
Circle, the first resonator and the second resonator are square, the area that described second resonator is surrounded positioned at front feeder loop
Inside domain, described front feeder loop is located inside the first resonator area defined.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620633633.0U CN205901452U (en) | 2016-06-21 | 2016-06-21 | Efficient dual -frenquency plane wireless energy transmission system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620633633.0U CN205901452U (en) | 2016-06-21 | 2016-06-21 | Efficient dual -frenquency plane wireless energy transmission system |
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| Publication Number | Publication Date |
|---|---|
| CN205901452U true CN205901452U (en) | 2017-01-18 |
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ID=57769057
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620633633.0U Expired - Fee Related CN205901452U (en) | 2016-06-21 | 2016-06-21 | Efficient dual -frenquency plane wireless energy transmission system |
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| Country | Link |
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| CN (1) | CN205901452U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105914902A (en) * | 2016-06-21 | 2016-08-31 | 华南理工大学 | High-efficiency dual-band planar wireless energy transmission system |
| WO2019013626A1 (en) * | 2017-07-12 | 2019-01-17 | Technische Universiteit Delft | Electrically driven vehicle, an inductive vehicle charging system and a method for wireless inductive charging |
-
2016
- 2016-06-21 CN CN201620633633.0U patent/CN205901452U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105914902A (en) * | 2016-06-21 | 2016-08-31 | 华南理工大学 | High-efficiency dual-band planar wireless energy transmission system |
| CN105914902B (en) * | 2016-06-21 | 2019-08-20 | 华南理工大学 | A kind of efficient double frequency plane wireless energy transfer system |
| WO2019013626A1 (en) * | 2017-07-12 | 2019-01-17 | Technische Universiteit Delft | Electrically driven vehicle, an inductive vehicle charging system and a method for wireless inductive charging |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170118 Termination date: 20190621 |