CN207282710U - High power RECTIFYING ANTENNA in a kind of compact - Google Patents
High power RECTIFYING ANTENNA in a kind of compact Download PDFInfo
- Publication number
- CN207282710U CN207282710U CN201721207247.6U CN201721207247U CN207282710U CN 207282710 U CN207282710 U CN 207282710U CN 201721207247 U CN201721207247 U CN 201721207247U CN 207282710 U CN207282710 U CN 207282710U
- Authority
- CN
- China
- Prior art keywords
- rectification
- reception antenna
- antenna
- microstrip line
- circuit
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Abstract
The utility model discloses high power RECTIFYING ANTENNA in a kind of compact, including medium substrate, the circuit structure being printed on above medium substrate, the metal floor being printed on below medium substrate and four plated-through holes of connection circuit structure and metal floor, circuit structure includes reception antenna, rectification circuit and feeder line, reception antenna realizes the conjugate impedance match with finishing circuit by stepped gap structure, rectification circuit use can bear the diode of middle high power rectification, and the DC energy and rectification efficiency that rectification goes out enough reach good compatibility.The utility model can be used for HIGH-POWERED MICROWAVES energy transmission system, the advantage is that RECTIFYING ANTENNA unit can export higher DC energy, be conducive to a group battle array, reduce the unit number of receiving rectification antenna battle array so as to reduce cost.
Description
Technical field
The utility model belongs to wireless energy transfer field, is related to a kind of middle high power RECTIFYING ANTENNA.
Background technology
Microwave power transmission technology is to be passed energy in the form of wireless at a distance using the characteristic of Electromagnetic Wave Propagation energy
It is defeated.1899, tesla just the theory of hertz radio wave transmissions energy and proposed radio energy with experimental verification
The utility model of the concept of transmission, late 1930s, magnetron and klystron solves the problems, such as high frequency source, promotes at the same time
Wireless power transmission develops from low frequency to microwave frequency i.e. microwave power transmission technology, and hereafter microwave power transmission technology is quickly grown, main
The field for studying application includes high-power, remote energy transmission, near space in Wireless power transmission system and flies
Row device, the microwave-driven of helicopter, robot energy supply and the energy transmission of remote districts.
RECTIFYING ANTENNA is one of key technology in microwave power transmission system, and the RECTIFYING ANTENNA of preferable performance can be carried significantly
The feasibility of high microwave power transmission system.RECTIFYING ANTENNA is while high-efficiency small-sizedization is pursued in HIGH-POWERED MICROWAVES Transmission system
Also need to ensure that rectification circuit can export larger dc power, the quantity of so used RECTIFYING ANTENNA unit will subtract
It is few, greatly reduce design difficulty and cost.
But the dc power of traditional RECTIFYING ANTENNA unit output is relatively low, and volume is larger, this just very big limitation
The application of RECTIFYING ANTENNA.In order to improve the dc power of rectification circuit output, now with a kind of person's rectification circuit to four road and bridge
Formula rectification circuit carries out series-parallel combination（See Chong-Yi Liou, Ming-Lung Lee and Shau-Gang Mao.
“High-Power and High-Efficiency RF Rectifiers Using Series and Parallel
Power-Dividing Networks and Their Applications to Wirelessly Powered
Devices”. IEEE Transactions on Microwave Theory & Techniques 2013）, wherein connection in series-parallel
The rectification circuit of mode can export the dc power of 7.8W and 9.56W respectively, but its structure is complex and bigger, and
And the rectification pipe used is 16, is unfavorable for a group battle array.Yu Ushijima, Tatsuya Sakamoto et al. has delivered two kinds
Be conducive to the RECTIFYING ANTENNA of group battle array（See Yu Ushijima, Tatsuya Sakamoto, Eisuke Nishiyama,
Masayoshi Aikawa, and Ichihiko Toyoda. “5.8-GHz Integrated Differential
Rectenna Unit UsingBoth-Sided MIC Technology With Design Flexibility”. IEEE
Transactions on Antennas ＆ Propagation 2013 and Tatsuya Sakamoto, Yu Ushijima,
Eisuke Nishiyama, Masayoshi Aikawa, and Ichihiko Toyoda. “5.8-GHz Series/
Parallel Connected Rectenna Array Using Expandable Differential Rectenna
Units”. IEEE Transactions on Antennas & Propagation 2013）, but the RECTIFYING ANTENNA unit
In the case of can only operate in relatively low reception power, it is more to carry out rectenna array unit required during high power transmission.
Utility model content
The purpose of this utility model is to overcome RECTIFYING ANTENNA unit to export the shortcomings that dc power is relatively low, proposes a kind of
High power RECTIFYING ANTENNA in compact, overcomes the shortcomings that existing RECTIFYING ANTENNA unit output dc power is relatively low, and structure is larger.
The technical solution of the utility model is：High power RECTIFYING ANTENNA in a kind of compact, including medium substrate, be printed on
Circuit structure above medium substrate, the metal floor being printed on below medium substrate and connection circuit structure and metal floor
Four plated-through holes；The circuit structure includes reception antenna, rectification circuit and feeder line；Rectification circuit and feeder line are equal
On the inside center line of reception antenna, rectification circuit is connected by feeder line with reception antenna.
Further, the rectification circuit includes capacitance, the first connection microstrip line, the first diode, the two or two pole
Pipe, the second connection microstrip line, ac filter capacitance, the 3rd connection microstrip line；Feeder line is connected micro-strip by capacitance with first
One end of line is connected；The other end of first connection microstrip line is divided into two-way, and the wherein first via is connected by the first diode and second
The one end for connecing microstrip line is connected, and is then connected by plated-through hole with metal floor, the other end of the first connection microstrip line
Second tunnel is connected by the second diode with the 3rd one end for being connected microstrip line；The other end of 3rd connection microstrip line passes through exchange
The other end that filter capacitor is connected microstrip line with second is connected, and is then connected also by plated-through hole with metal floor.
Further, separated between the reception antenna and feeder line by stair-stepping gap, gap width is from rectified current
Terminal starts to reduce successively to the cut-off of the tie point of feeder line and reception antenna, realizes the impedance between rectification circuit and reception antenna
Matching；The reception antenna outer rim rectangularity.
The advantages of the utility model and beneficial effect：
（1）The dc power of the rectification circuit unit output of the utility model is up to 0.4W, and rectification efficiency energy
Enough reach more than 60%, accomplished the compatibility of larger DC energy output and higher rectification efficiency well.
（2）The rectification circuit of the utility model is put together with reception antenna by the way that conjugate impedance match is compact, is subtracted significantly
The small volume of RECTIFYING ANTENNA unit, is conducive to the group battle array of RECTIFYING ANTENNA
（3）The utility model uses planographic structure, is conducive to process, is easily integrated, and can be mass while cost
It is relatively low.
Brief description of the drawings
Fig. 1 is the general structure schematic diagram of the utility model
Fig. 2 is emulation reception antenna input impedance Z (1,1) figure of the utility model
Fig. 3 is the emulation rectification efficiency of the utility model with input power variation diagram.
Embodiment
The utility model is described further with specific embodiment below in conjunction with the accompanying drawings：A kind of as shown in Figure 1, compact
Middle high power RECTIFYING ANTENNA, including medium substrate 1, the circuit structure 2 that is printed on above medium substrate 1, medium substrate 1 be
The F4B substrates of 0.8mm thickness, dielectric constant 2.5, loss tangent angle are 0.002.The metal being printed on below medium substrate 1
Floor 3 and four plated-through holes 4 of connection circuit structure 2 and metal floor 3, four plated-through hole diameters are
0.6mm, the circuit structure 2 include reception antenna 20, rectification circuit 21 and feeder line 22；Rectification circuit 21 and feeder line 22 are equal
On the inside center line of reception antenna 20, rectification circuit 21 is connected by feeder line 22 with reception antenna 20.
Further, the rectification circuit 21 includes capacitance 210, first and connects microstrip line 211, the first diode
216th, the second diode 215, second connection microstrip line 213, ac filter capacitance the 214, the 3rd connect microstrip line 217, blocking electricity
Hold and the capacitance of ac filter capacitance is 100pF, feeder line 22 is connected the one of microstrip line 211 by capacitance 210 with first
End is connected；The other end of first connection microstrip line 211 is divided into two-way, and the wherein first via is connected by the first diode 216 and second
The one end for connecing microstrip line 213 is connected, and is then connected by plated-through hole 4 with metal floor 3, the first connection microstrip line 211
Second tunnel of the other end is connected by the second diode 215 with the 3rd one end for being connected microstrip line 217, and rectifier diode uses
Agilent HSMS-281c, the pipe reverse biased are 25V, can bear the rectification of middle high power input power, the 3rd connection micro-strip
The other end that the other end of line 217 is connected microstrip line 213 by ac filter capacitance 214 with second is connected, then also by gold
Categoryization through hole 4 is connected with metal floor 3.
Further, separated between the reception antenna 20 and feeder line 22 by stair-stepping gap, gap width is from whole
21 end of current circuit starts to reduce successively to feeder line 22 and the tie point cut-off of reception antenna 20, realizes rectification circuit 21 with receiving day
Impedance matching between line 20；The 20 outer rim rectangularity of reception antenna.
Simulation result shows, micro-strip RECTIFYING ANTENNA work frequency is 2.45GHz, input impedance 42.1+j*23.7ohm,
Conjugate impedance match with rectification circuit is realized well, is 28dBm in input power, and when external load 780ohm emulates to obtain whole
The rectification efficiency of current circuit is 71.6%, output dc power 0.452W.
Those of ordinary skill in the art will understand that the embodiments described herein, which is to help reader, understands this reality
With new principle, it should be understood that the scope of protection of the utility model is not limited to such special statement and embodiment.
Those of ordinary skill in the art can these technical inspirations according to disclosed in the utility model make and various do not depart from this practicality
New other various specific deformations and combination, these deformations and combination are still within the protection scope of the present utility model.
Claims (3)
1. high power RECTIFYING ANTENNA in a kind of compact, including medium substrate（1）, be printed on medium substrate（1）Circuit above
Structure（2）, be printed on medium substrate（1）Following metal floor（3）And connection circuit structure（2）And metal floor（3）'s
Four plated-through holes（4）；It is characterized in that：The circuit structure（2）Include reception antenna（20）, rectification circuit（21）And
Feeder line（22）；Rectification circuit（21）And feeder line（22）It is respectively positioned on reception antenna（20）Inside center line on, rectification circuit
（21）Pass through feeder line（22）With reception antenna（20）It is connected.
2. high power RECTIFYING ANTENNA in a kind of compact according to claim 1, it is characterised in that：The rectification circuit
（21）Include capacitance（210）, first connection microstrip line（211）, the first diode（216）, the second diode（215）,
Two connection microstrip lines（213）, ac filter capacitance（214）, the 3rd connection microstrip line（217）；Feeder line（22）Pass through capacitance
（210）Microstrip line is connected with first（211）One end be connected；First connection microstrip line（211）The other end be divided into two-way, wherein
The first via passes through the first diode（216）Microstrip line is connected with second（213）One end be connected, then pass through plated-through hole
（4）With metal floor（3）It is connected, the first connection microstrip line（211）The second tunnel of the other end pass through the second diode（215）With
3rd connection microstrip line（217）One end be connected；3rd connection microstrip line（217）The other end pass through ac filter capacitance
（214）Microstrip line is connected with second（213）The other end be connected, then also by plated-through hole（4）With metal floor（3）Phase
Even.
3. high power RECTIFYING ANTENNA in a kind of compact according to claim 1, it is characterised in that：The reception antenna
（20）With feeder line（22）Between separated by stair-stepping gap, gap width is from rectification circuit（21）End starts to feeder line（22）
With reception antenna（20）Tie point cut-off reduce successively, realize rectification circuit（21）With reception antenna（20）Between impedance
Match somebody with somebody；The reception antenna（20）Outer rim rectangularity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721207247.6U CN207282710U (en) | 2017-09-20 | 2017-09-20 | High power RECTIFYING ANTENNA in a kind of compact |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721207247.6U CN207282710U (en) | 2017-09-20 | 2017-09-20 | High power RECTIFYING ANTENNA in a kind of compact |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207282710U true CN207282710U (en) | 2018-04-27 |
Family
ID=61982349
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721207247.6U Active CN207282710U (en) | 2017-09-20 | 2017-09-20 | High power RECTIFYING ANTENNA in a kind of compact |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207282710U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108808219A (en) * | 2018-05-25 | 2018-11-13 | 浙江大学 | A kind of Novel movable device antenna |
-
2017
- 2017-09-20 CN CN201721207247.6U patent/CN207282710U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108808219A (en) * | 2018-05-25 | 2018-11-13 | 浙江大学 | A kind of Novel movable device antenna |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103414255B (en) | Self-tuning magnetic-coupling resonance wireless energy transmission system and self-tuning method thereof | |
| CN103915907B (en) | Principal and subordinate is from coupling magnetic resonance wireless electric energy transmission device and method of operating thereof | |
| CN205029402U (en) | Wireless charging system of microwave based on array antenna | |
| CN104779714B (en) | A kind of high-speed radio portable communications system | |
| CN104993614A (en) | Asymmetric wireless power transmission system with relay coil inserted therein, and method | |
| CN204721105U (en) | Insert the asymmetric wireless power transmission systems of repeating coil | |
| CN105305663B (en) | The multiple antennas high efficiency RF energy collector that a kind of multi-electrode is formed | |
| CN107453490A (en) | A kind of Contactless power transmission device | |
| CN104993613A (en) | Wireless electric energy transmission device using single capacitor to realize electric field resonance | |
| CN103928991B (en) | Magnetic resonance wireless electric energy transmission device based on PCB resonance coupling coil structures | |
| CN104767029A (en) | Micro-strip rectification antenna based on WIFI frequency band | |
| CN206164224U (en) | Wireless transmission subway power supply system | |
| CN103647457B (en) | A kind of radio frequency solid state transformer | |
| CN207282710U (en) | High power RECTIFYING ANTENNA in a kind of compact | |
| CN107482316A (en) | High power RECTIFYING ANTENNA in a kind of compact | |
| CN105071555A (en) | Microwave energy receiving plate | |
| CN102638089A (en) | High-power wireless charging device | |
| CN210724332U (en) | Multi-load wireless charging device | |
| CN107508388A (en) | The efficient electric energy transmission coil design method of magnetic coupling resonance | |
| CN204243917U (en) | Based on the device of the magnetic coupling resonance wireless energy transfer of repeat circuit | |
| CN104682575B (en) | A kind of resonance type wireless electric energy transmission system for adding both-end impedance transformer network | |
| CN106487105A (en) | A kind of magnet coupled resonant type wireless power transfer of modified line coil structures | |
| CN107659000B (en) | It is a kind of can double-direction radio charging transmission circuit | |
| CN206422217U (en) | Frequency reconfigurable couple feed loop aerial | |
| CN107658994B (en) | A kind of radio energy transmission system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |