CN102437774A - High-power centralized microwave rectifier circuit - Google Patents
High-power centralized microwave rectifier circuit Download PDFInfo
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- CN102437774A CN102437774A CN2011104559849A CN201110455984A CN102437774A CN 102437774 A CN102437774 A CN 102437774A CN 2011104559849 A CN2011104559849 A CN 2011104559849A CN 201110455984 A CN201110455984 A CN 201110455984A CN 102437774 A CN102437774 A CN 102437774A
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Abstract
The invention discloses a novel high-power centralized microwave rectifier circuit, comprising a microstrip power distribution circuit and a microstrip rectifier circuit. The novel high-power centralized microwave rectifier circuit is characterized in that output of a microwave source (1) is connected with a microstrip power distribution circuit (2); the power distribution circuit has multiple paths of output, output of each power distribution circuit is respectively connected with a Schottky diode microstrip rectifier circuit (3); output of each Schottky diode microstrip rectifier circuit is connected with a direct current load (4); the microwave source (1) penetrates through the bottom of a circuit board to be connected with an input end (5) of the microstrip power distribution circuit and be fed into the power distribution circuit (2); the microstrip power distribution circuit (2) is connected with the microwave source (1) by virtue of one end of the input end (5) of the microstrip power distribution circuit, the other end of the microstrip power distribution circuit is respectively connected with the output end (7) of the microwave power distribution circuit (2) by virtue of a 1/4 wavelength impedance conversion microstrip line (6); and the output end (7) of the microstrip power distribution circuit (2) is connected with an input end (9) of the microstrip microwave rectifier circuit (3), microstrip line width is the same, natural transition is realized, and the high-power centralized microwave rectifier circuit is formed.
Description
Technical field
The present invention relates to a kind of powerful centralized microwave rectification circuit, belong to the microwave energy transfer field.Be used for changing into direct current to the microwave energy of input.
Background technology
The high speed development of World Economics, the energy and environmental problem are increasingly serious.Clean energy resource becomes the new forms of energy strategy that each subject is advocated, and having formed with solar energy, wind energy, biological energy source etc. is the major programme of the solution energy problem of core.Solution all receives the restriction of factors such as environment, weather, region mostly, has defective to a certain degree.20 beginnings of the century, microwave energy transfer (MPT:Microwave Power Transmission) has got into researcher's the visual field, and microwave energy transmission has high efficiency, pollution-free and do not receive advantage such as weather restriction.Nineteen sixty-eight; Peter doctor Glaser has at first proposed the conception of space solar power station (SPS:Solar Power Satellite); Be exactly that large-scale SPS equipment delivery is arrived geostationary orbit, become microwave energy delivery to return the earth with the conversion of solar energy of collecting.This conception has combined space technology and microwave delivery of energy technology, and wherein, microwave energy transfer plays crucial effects as a key technology in space solar power station in whole system.After the microwave energy transfer system is meant and is converted into microwave energy to electric energy, the zone of energy delivery, further change into direct current energy through rectifying device then to appointment according to our needs.This technology can be used for the space station solar energy is transported to ground more efficiently, also can be used for the remote power transfer on ground, has solved the problem of the mass energy waste of electric energy in modes such as existing high pressure transports.The planographic rectification circuit is a circuit form of realizing that at present the microwave energy transfer system extensively adopts, and this form is easy to system other circuit structure integrated.
At present, the microwave energy transfer technology has obtained broad development in the low power applications field.Can realize the non-interruptible supply of energy to this technological related application.Be implementation space solar power plant system and ground long distance wireless energy supply, the high-power area research of microwave energy transfer technology is also essential.The single rectification circuit maximum power capabilities of having published based on Schottky diode is 2.5W (NO.3, MARCH 1998 for IEEE TRANSACTIONS ON MICROWAVE THEORY AND TECHNIQUES, VOL.46).The practical application of microwave rectified power capacity distance also has certain gap, and the power capacity of most of rectification circuit based on Schottky diode still is in the mW magnitude.
RECTIFYING ANTENNA and rectification circuit are formed array jointly, are used to receive powerful microwave input.Traditional distributed microwave rectification circuit uses the corresponding individual antenna of single rectification circuit, and its application receives the power capacity restriction of rectification circuit.Present microwave rectification circuit all is based on low power circuit, and power capacity can not satisfy the requirement of powerful microwave energy transfer generally in mW or W magnitude.The RECTIFYING ANTENNA area is limited, in order on limited receiving area, receiving and the conversion more energy, to press for a kind of high-power, centralized microwave rectification circuit and realizes.Centralized rectification circuit is assigned to a plurality of small-power rectification circuits with HIGH-POWERED MICROWAVES through microwave power distributor circuit (being called for short the merit parallel circuit), improves the power capacity of rectification circuit.
Summary of the invention
The objective of the invention is to be directed against the deficiency of prior art and a kind of powerful centralized microwave rectification circuit is provided, be characterized in that rectified power is big, the rectification efficiency height; Planar structure; Be easy to realize that circuit configuration is compact, area occupied is little; In high-power demand and multifrequency territory, have good transplantability and autgmentability, have broad application prospects.
The object of the invention is realized by following technical scheme.
Novel high-power centralized microwave rectification circuit is characterized in containing little band power distributing circuit and little band rectification circuit, and little band merit parallel circuit and little band rectification circuit all are printed on the individual layer double-sided printed-circuit board, and the bottom surface is ground plate; Microwave source output is connected with little band merit parallel circuit; The output of merit parallel circuit is divided into multichannel, and the output of each road merit parallel circuit is connected with the little band rectification circuit of Schottky diode respectively; The output of the little band rectification circuit of each Schottky diode all is connected with DC load.
Microwave source passes the circuit board bottom and connects little band merit parallel circuit input, feed-in merit parallel circuit.
Microwave merit parallel circuit is connected with little band merit parallel circuit output through 1/4 wavelength impedance conversion microstrip line respectively by the other end that an end is connected with microwave source, little band merit parallel circuit is imported of little band merit parallel circuit input.
1/4 wavelength impedance conversion microstrip line characteristic impedance is the evolution after the product of merit parallel circuit number of branches and 50 ohm multiplies each other with the characteristic impedance of little band merit parallel circuit output again.
The output of little band merit parallel circuit is connected with the input of little band microwave rectification circuit, and micro belt line width is identical, realizes the nature transition.
The input process capacitance of little band microwave rectification circuit and being connected of coupling microstrip line; Diode one end span is connected on the junction of coupling microstrip line and microstrip line II, and the diode other end is connected across on the microstrip line I; Microstrip line II is leaded up to parallelly connected ground capacity ground connection; Another road connects DC load.
This high-power centralized microwave rectification circuit is used for the microwave new energy field, and the microwave energy that receives is changed into direct current.
Performance test:
Adopt microwave power meter and universal instrument respectively microwave power and direct current power to be tested; The result shows; When input is between 8～12.5W in input power, all have to be higher than 65% microwave rectification efficiency, the highest microwave rectification efficiency is 68%; Compare with the highest rectification efficiency 69% of single rectification circuit 3, overall rectification efficiency has still kept the high-efficient characteristic of single rectification circuit; The maximum power capabilities of whole high-power centralized rectification circuit is 20W, under the situation that keeps high rectification efficiency, has realized powerful microwave rectification.
The present invention has following advantage:
1. significantly promoted the power capacity of rectification circuit; Adopting said method designed circuit power capacity rises to 20W from original 0.1W magnitude, and the rectification circuit that before has has the lifting on 2 one magnitude.
2. through the number of branches of change merit parallel circuit and the number of rear end rectification circuit, satisfy power capacity demand in larger scope; After the merit parallel circuit, connect dissimilar small-power rectification circuits, the power that is implemented in the particular range covers, and satisfies the rectification demand of specific microwave power.
3. the merit parallel circuit all is made up of microstrip line, and circuit design is simple, and numbers of branches is easy to adjustment; Be lossless element in the merit parallel circuit, the insertion loss that the merit parallel circuit is brought is little, helps the lifting of the whole rectification efficiency of high-power centralized rectification circuit.
4. the circuit configuration of annular has reduced area occupied, and circuit is compacter; The circuit center is little band merit parallel circuit, and the periphery rectification circuit of arranging has reduced the area of integrated circuit effectively.
Description of drawings
Fig. 1 is powerful centralized microwave rectification circuit block diagram
Fig. 2 is powerful centralized microwave rectification circuit example block diagram
Fig. 3 is powerful centralized microwave rectification circuit example circuit diagram
Fig. 4 is a microwave rectification circuit schematic diagram
1, microwave source, 2, little band merit parallel circuit, 3, the microwave rectification circuit, 4, DC load; 5, little band merit parallel circuit input, 6,1/4 wavelength impedance conversion microstrip line, 7, the output of little band merit parallel circuit, 8, single Schottky diode/many Schottky diodes; 9, microwave rectification circuit input microstrip line, 10, capacitance, 11, the coupling microstrip line; 12, microstrip line I, 13, microstrip line II, 14, ground capacity.
Embodiment
Through embodiment the present invention is carried out concrete description below; Be necessary to be pointed out that at this present embodiment can only be used for the present invention is further specified; Can not be interpreted as the restriction to protection range of the present invention, the skilled personnel of this area can make some nonessential improvement and adjustment according to the content of the invention described above.
Embodiment
Like Fig. 1, Fig. 2 and shown in Figure 3: microwave energy (single-frequency) produces from microwave source 1, gets into merit parallel circuits 2 through little band merit parallel circuit input 5, and the output of merit parallel circuit is divided into eight branch roads, and eight branch roads are the distribution of " rice " font; Each bar branch road carries out impedance matching through 1/4 wavelength impedance conversion microstrip line 6 respectively; Match little band merit parallel circuit from 400 Ω of little band merit parallel circuit input 5 and export the normal impedance at 7 places; Microstrip power divider output 7 is identical with the width of little band rectification circuit 3 inputs 9, realizes the nature transition; Little band rectification circuit 3 adopts a plurality of Schottky microwave diodes to connect/HIGH-POWERED MICROWAVES diode of parallel connection equivalence one-tenth, realizes the lifting of power capacity at little band rectification circuit 3 places; Microwave energy gets into each branch's rectification circuit from little band rectification circuit 3 inputs 9; Be connected with coupling microstrip line 11 through capacitance 10 then; Coupling microstrip line 11 makes more energy get into many Schottky diodes 8 and carries out rectification through the impedance between coupling capacitance and the diode; Diode 8 one end spaies are connected on the junction of microstrip line 11 and microstrip line II13, and the other end is connected across on the microstrip line I12; Nonlinear diode produces dc energy, high order harmonic component and first-harmonic energy; Parallel connection ground capacity 14 is connected with microstrip line II13, and first-harmonic, high order harmonic component energy reflection are returned diode 8, rectification once more; Article eight, the dc energy parallel connection of branch road rectification output exports DC load 4 to, accomplishes microwave energy to galvanic conversion.
Fig. 3 is the circuit diagram of actual high-power centralized microwave rectification circuit.This rectification circuit adopts full microstrip structure.Through on-the-spot test; When input is between 8～12.5W in input power; All have and be higher than 65% microwave rectification efficiency; The highest microwave rectification efficiency is 68%, compares with the highest rectification efficiency 69% of single rectification circuit 3, and overall rectification efficiency has still kept the high-efficient characteristic of single rectification circuit; The maximum power capabilities of whole high-power centralized rectification circuit is 20W, under the situation that keeps high rectification efficiency, has realized powerful microwave rectification.
Claims (7)
1. a novel high-power centralized microwave rectification circuit contains little band power distributing circuit and little band rectification circuit, it is characterized in that little band merit parallel circuit and little band rectification circuit all are printed on the individual layer double-sided printed-circuit board, and the bottom surface is ground plate; Microwave source (1) output is connected with little band merit parallel circuit (2); The output of merit parallel circuit is divided into multichannel, and the output of each road merit parallel circuit is connected with the little band rectification circuit of Schottky diode (3) respectively; The output of the little band rectification circuit of each Schottky diode all is connected with DC load (4).
2. novel according to claim 1 high-power centralized microwave rectification circuit is characterized in that microwave source (1) passes the circuit board bottom and connects little band merit parallel circuit input (5), feed-in merit parallel circuit (2).
3. novel according to claim 1 high-power centralized microwave rectification circuit is characterized in that the end that microwave merit parallel circuit (2) is imported (5) by little band merit parallel circuit is connected with microwave source (1), the other end of little band merit parallel circuit input (5) is connected through 1/4 wavelength impedance conversion microstrip line (6) and little band merit parallel circuit output (7) respectively.
4. novel according to claim 1 high-power centralized microwave rectification circuit is characterized in that 1/4 wavelength impedance conversion microstrip line (6) characteristic impedance is the evolution after the product of merit parallel circuit number of branches and 50 ohm multiplies each other with the characteristic impedance of little band merit parallel circuit output (7) again.
5. novel according to claim 1 high-power centralized microwave rectification circuit is characterized in that the output (7) of little band merit parallel circuit (2) is connected with the input (9) of little band microwave rectification circuit (3), and micro belt line width is identical, realizes the nature transition.
6. novel according to claim 1 high-power centralized microwave rectification circuit is characterized in that input (9) the process capacitance (10) of little band microwave rectification circuit (3) and being connected of coupling microstrip line (11); Diode (8) one end spaies are connected on the junction of coupling microstrip line (11) and microstrip line II (13), and diode (8) other end is connected across on the microstrip line I (12); Microstrip line II (13) is leaded up to parallelly connected ground capacity (14) ground connection; Another road connects DC load (4).
7. novel according to claim 1 high-power centralized microwave rectification circuit is characterized in that this microwave rectification circuit is used for the microwave new energy field, and the microwave energy that receives is changed into direct current.
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| CN2011104559849A CN102437774A (en) | 2011-12-30 | 2011-12-30 | High-power centralized microwave rectifier circuit |
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| CN2011104559849A CN102437774A (en) | 2011-12-30 | 2011-12-30 | High-power centralized microwave rectifier circuit |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014086110A1 (en) * | 2012-12-07 | 2014-06-12 | 四川大学 | Microwave energy conversion apparatus |
| CN104466330A (en) * | 2014-11-25 | 2015-03-25 | 陕西黄河集团有限公司 | Microstrip power divider with coaxial cable input into arbitrary paths |
| CN104467467A (en) * | 2015-01-07 | 2015-03-25 | 重庆大学 | Scheme for converting microwave energy into direct current during large dynamics |
| CN104979916A (en) * | 2015-07-30 | 2015-10-14 | 郑州携能通信技术有限公司 | Microwave energy harvesting method and microwave energy harvesting device |
| CN105162335A (en) * | 2015-05-25 | 2015-12-16 | 华南理工大学 | High-efficiency rectifier circuit covering wide input power range |
| CN106100151A (en) * | 2016-06-24 | 2016-11-09 | 西安电子科技大学 | A kind of commutator surpassing the collection of surface environment radio-frequency (RF) energy for electromagnetism |
| CN111739950A (en) * | 2019-03-19 | 2020-10-02 | 国家纳米科学中心 | Terahertz photoelectric detector |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3989994A (en) * | 1974-08-09 | 1976-11-02 | Raytheon Company | Space oriented microwave power transmission system |
| CN2317580Y (en) * | 1998-01-16 | 1999-05-05 | 电子科技大学 | Microwave rectifier |
| CN101034898A (en) * | 2007-02-23 | 2007-09-12 | 鞍山吉兆电子有限公司 | Micro-band technical broadband power allocation/synthesizer |
| CN102255527A (en) * | 2011-07-29 | 2011-11-23 | 四川大学 | Novel microwave intermodulation rectification circuit |
-
2011
- 2011-12-30 CN CN2011104559849A patent/CN102437774A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3989994A (en) * | 1974-08-09 | 1976-11-02 | Raytheon Company | Space oriented microwave power transmission system |
| CN2317580Y (en) * | 1998-01-16 | 1999-05-05 | 电子科技大学 | Microwave rectifier |
| CN101034898A (en) * | 2007-02-23 | 2007-09-12 | 鞍山吉兆电子有限公司 | Micro-band technical broadband power allocation/synthesizer |
| CN102255527A (en) * | 2011-07-29 | 2011-11-23 | 四川大学 | Novel microwave intermodulation rectification circuit |
Non-Patent Citations (1)
| Title |
|---|
| 张彪，刘长军: "一种高效的2.45GHz二极管阵列微波整流电路", 《强激光与粒子束》, vol. 23, no. 9, 30 September 2011 (2011-09-30), pages 2443 - 2446 * |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014086110A1 (en) * | 2012-12-07 | 2014-06-12 | 四川大学 | Microwave energy conversion apparatus |
| CN104466330A (en) * | 2014-11-25 | 2015-03-25 | 陕西黄河集团有限公司 | Microstrip power divider with coaxial cable input into arbitrary paths |
| CN104466330B (en) * | 2014-11-25 | 2017-04-12 | 陕西黄河集团有限公司 | Microstrip power divider with coaxial cable input into arbitrary paths |
| CN104467467A (en) * | 2015-01-07 | 2015-03-25 | 重庆大学 | Scheme for converting microwave energy into direct current during large dynamics |
| CN105162335A (en) * | 2015-05-25 | 2015-12-16 | 华南理工大学 | High-efficiency rectifier circuit covering wide input power range |
| CN104979916A (en) * | 2015-07-30 | 2015-10-14 | 郑州携能通信技术有限公司 | Microwave energy harvesting method and microwave energy harvesting device |
| CN106100151A (en) * | 2016-06-24 | 2016-11-09 | 西安电子科技大学 | A kind of commutator surpassing the collection of surface environment radio-frequency (RF) energy for electromagnetism |
| CN106100151B (en) * | 2016-06-24 | 2018-05-04 | 西安电子科技大学 | A kind of rectifier for surpassing the collection of surface environment RF energy for electromagnetism |
| CN111739950A (en) * | 2019-03-19 | 2020-10-02 | 国家纳米科学中心 | Terahertz photoelectric detector |
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Application publication date: 20120502 |