CN205248443U - Synthetic microstrip array antenna of two arrays of variable directional beam - Google Patents
Synthetic microstrip array antenna of two arrays of variable directional beam Download PDFInfo
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- CN205248443U CN205248443U CN201520899765.3U CN201520899765U CN205248443U CN 205248443 U CN205248443 U CN 205248443U CN 201520899765 U CN201520899765 U CN 201520899765U CN 205248443 U CN205248443 U CN 205248443U
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- pcb board
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- antenna pcb
- wave beam
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Abstract
The utility model discloses a synthetic microstrip array antenna of two arrays of variable directional beam, a serial communication port, antenna PCB board includes antenna PCB board and lower antenna PCB board, feed PCB includes the three -layer at least, the first layer of antenna PCB board is radiating element, and the second floor is the electromagnetic coupling hole, and the third layer is microstrip feeder structure, but go up the angle along infusion set adjusting antenna array of antenna PCB board and lower antenna PCB board, the antenna vertical direction can produce a plurality of fixed beam, improves the flexibility ratio. Each polarization can have two to present some mouths to use the independent feed of two way TR, can realize whenever being listed as 64 units in the antenna feeder line direction, thereby let littleer beam -forming enable.
Description
Technical field
The utility model relates to microwave electromagnetic field field, relates in particular to the synthetic micro-strip array antenna of the two arrays of a kind of variable orientation wave beam.
Background technology
In tradition microstrip antenna designs, every array antenna vertical direction can only produce a fixed beam, and flexibility ratio is limited. And existing microstrip antenna is mostly single-polarized antenna, the single polarization of each array have a feedback point mouthful, all emitted energies feed that must flock together, is unfavorable for the feed of high-power compact TR. Add that having antenna array alignment feedback direction only has 32 unit, cannot accelerate to realize narrower beam angle.
Summary of the invention
In order to overcome above-mentioned the deficiencies in the prior art, the utility model provides the two arrays of a kind of variable orientation wave beam synthetic micro-strip array antenna, greatly reduces the noise coefficient of system, Hoisting System performance.
The utility model solves the technical scheme that its technical problem adopts:
The synthetic micro-strip array antenna of the two arrays of a kind of variable orientation wave beam, comprise antenna pcb board, it is characterized in that, described antenna pcb board comprises antenna pcb board and lower antenna pcb board, described antenna pcb board at least comprises three layers, the ground floor of described antenna pcb board is radiating element, the second layer is electromagnetic coupled hole, the 3rd layer is feeder line structure, described feeder line structure comprises radio-frequency joint pad, the feed power splitter corresponding with radio-frequency joint pad and the feeder line being connected with feed power splitter, the angle along horizontal center line adjustable antenna array of described upper antenna pcb board and lower antenna pcb board.
As the improvement of technique scheme, described antenna pcb board is also provided with the 4th layer, and described the 4th layer is all reflector with ground floor.
As the improvement of technique scheme, described upper and lower antenna pcb board is symmetrical up and down with horizontal center line.
As the improvement of technique scheme, described electromagnetic coupled hole is two orthogonal H type electromagnetic coupled holes that produce horizontal polarization and vertical polarization.
As the improvement of technique scheme, it is characterized in that, described radio-frequency joint pad comprises vertical polarization radio-frequency joint pad and horizontal polarization radio-frequency joint pad, and described vertical polarization radio-frequency joint pad is connected with corresponding vertical polarization feed power splitter and horizontal polarization feed power splitter by wire with horizontal polarization radio-frequency joint pad.
As the improvement of technique scheme, it is characterized in that, the position of upper antenna pcb board and lower feed pcb board feed is arranged on asymmetric position.
As the improvement of technique scheme, the position of upper antenna pcb board and lower feed pcb board feed is arranged between top, horizontal center or below the 10th and the 11st sub antenna.
As the improvement of technique scheme, it is characterized in that, the feeder line of described horizontal polarization feed power splitter left and right two-way is not for isometric.
As the improvement of technique scheme, the vertical polarization phase difference in described upper antenna pcb board and lower antenna pcb board is 180 °.
As the improvement of technique scheme, the feeder line of the feed power splitter of the vertical polarization separately left and right two-way of described upper antenna pcb board and lower antenna pcb board is not isometric, and phase difference is 180 °.
The beneficial effects of the utility model have:
The synthetic micro-strip array antenna of the two arrays of a kind of variable orientation wave beam of the utility model, described antenna pcb board comprises antenna pcb board and lower antenna pcb board, the angle along horizontal center line adjustable antenna array of upper antenna pcb board and lower antenna pcb board, antenna vertical direction can produce some fixed beams, improves flexibility ratio.
Each polarization can have two feedback points mouthful, thereby uses the independent feed of two-way TR, can realize 64 unit of every array antenna feeder line direction, thereby allow less wave beam become possibility.
Brief description of the drawings
Below in conjunction with drawings and the specific embodiments, the utility model is described in further detail, wherein:
Fig. 1 is the antenna pcb board operation principle schematic diagram of the utility model embodiment
Fig. 2 is the antenna pcb board ground floor radiative unit structure schematic diagram of the utility model embodiment;
Fig. 3 is the upper antenna pcb board second layer structural representation of the utility model embodiment;
Fig. 4 is the 3rd layer of feeder line structure schematic diagram of antenna pcb board of the utility model embodiment;
Fig. 5 is the enlarged diagram in the electromagnetic coupled hole of the utility model embodiment;
Fig. 6 is the SMP pad joint of the utility model embodiment and corresponding feed power splitter enlarged diagram.
The 1st, radiating element; The 2nd, electromagnetic coupled hole; The 3rd, the feedback point power splitter of one of polarization horizontal polarization; The 4th, feeder line between horizontal polarization unit; The 5th, the radio-frequency joint pad of the direct-connected PCB of horizontal polarization SMP; The 6th, vertical polarization electromagnetic coupled hole; The 7th, feeder line between vertical polarization unit; The 8th, vertical polarization feedback Dian Gongfenzhi road one; The 9th, vertical polarization feedback Dian Gongfenzhi road two; The 10th, the radio-frequency joint pad of the direct-connected PCB of vertical polarization SMP; 11 is roads of the second subarray vertical polarization feed work point; 12 is second subarray vertical polarization feed radio-frequency joint pads.
Detailed description of the invention
Referring to Fig. 1, 2, 3 and Fig. 4, the synthetic micro-strip array antenna of the two arrays of a kind of variable orientation wave beam of the present utility model, comprise antenna pcb board, described antenna pcb board comprises described in antenna pcb board and lower antenna pcb board that antenna pcb board at least comprises three layers, the ground floor of described antenna pcb board is radiating element 1, the second layer is electromagnetic coupled hole 2 and 6, the 3rd layer is feeder line structure, described feeder line structure comprises radio-frequency joint pad 5 and 10, the feed power splitter corresponding with radio-frequency joint pad 5 and 10 and the feeder line 4 and 7 being connected with feed power splitter 3, the angle along horizontal center line adjustable antenna array of described upper antenna pcb board and lower antenna pcb board, antenna vertical direction can produce some fixed beams, improve flexibility ratio.
Optimum embodiment is as the improvement of technique scheme, and described antenna pcb board is also provided with the 4th layer, and described the 4th layer is and the similar reflector of the first floor. Between the 4th layer and the 3rd layer of antenna pcb board, medium is low-loss rigid foam.
The radiating element of described every array antenna is at least 4, and the horizontal and vertical spacing of array is 1/4X-X wavelength. The utility model radiation cell array is 18 × 64, and array horizontal direction and vertical interval are about 1/2X wavelength, are about 1.7cm, thereby allows less wave beam become possibility. In figure bis-, taking feeder line direction as vertical direction, the direction vertical with feeder line is horizontal direction, and in the utility model, direction is as the criterion with this coordinate.
With further reference to Fig. 5, described electromagnetic coupled hole 2 and 6 is two orthogonal H type electromagnetic coupled holes that produce horizontal polarization and vertical polarization. The utility model specific embodiment is respectively horizontal polarization electromagnetic coupled hole 2 and vertical polarization electromagnetic coupled hole 6.
With further reference to Fig. 6, described radio-frequency joint pad is divided into horizontal polarization radio-frequency joint pad 5 and vertical polarization radio-frequency joint pad 10, and the position of upper antenna pcb board and lower feed pcb board feed is arranged on asymmetric position. The utility model most preferred embodiment, the position of upper antenna pcb board and lower feed pcb board feed is arranged on between the 10th of horizontal center line number and the 11st sub antenna.
The feeder line 4 and 7 of described vertical polarization feed power splitter left and right two-way is not for isometric. Vertical polarization phase difference in described upper antenna pcb board and lower antenna pcb board is 180 °. The feeder line of the vertical polarization feed power splitter left and right two-way of described each antenna pcb board is not isometric, and phase difference is 180 °. Described feeder line 4 and 7 is all through electromagnetic coupled hole central lower, and in order to reduce the impact of effects on surface electric current and single radiating element impedance, the irregular structure region of feeder line and feedback point should be as far as possible away from coupling aperture.
Horizontal polarization radio signal transmission operation principle is, in the time of system transmit level polarized signal, radiofrequency signal is transferred to horizontally-polarized antenna entrance by SMP joint, the feedback point power splitter 3 of horizontal polarization is by its equiphase, constant amplitude is not divided into Liang Gezhi road, left and right, and by the impedance matching of U-shaped bending realization and antenna, arrive the part electromagnetic energy of 2 belows, electromagnetic coupled hole and will will pass to by coupling aperture upper strata radiating element 1, and dump energy provides energy to feeder line between unit module 4 for follow-up unit by sustained delivery. Be coupled to energy on radiating element 1 and will excite the EMR electromagnetic resonance of (being the upper and lower edge wall in unit) of corresponding horizontal polarization, thereby electromagnetic energy is converted to the horizontal polarization electromagnetic field of space free transmission. Same principle is applied to upper and lower subarray, and in the time of upper and lower transceiver constant amplitude equiphase feed, antenna radiation pattern will superpose and form an independent beam.
In the time of system transmission vertical polarization signal, radiofrequency signal is transferred to vertical polarized antenna entrance by SMP joint, the feedback point power splitter of vertical polarization is by signal energy minute upper and lower two branch roads, its snakelike not isometric design makes 180 ° of the road phase differences of left and right, effectively ensures just superimposed in space of signal. Arrive the part electromagnetic energy of 6 belows, electromagnetic coupled hole and will will pass to by coupling aperture upper strata radiating element 1, and dump energy provides energy to feeder line between unit module 7 for follow-up unit by sustained delivery. Be coupled to energy on radiating element 1 and will excite the EMR electromagnetic resonance at resonance edge (being unit left and right edges wall) of corresponding vertical polarization, thereby electromagnetic energy is converted to the vertical polarization electromagnetic field of space free transmission. Same principle is applied to upper and lower subarray, and in the time of upper and lower transceiver constant amplitude equiphase feed, because the feeder line of below subarray own and top differ 180 °, for offsetting the polarization of opposite direction, thereby antenna radiation pattern will be with independent beam of superimposed formation.
In the time that upper and lower two subarrays rotate a fixed angle around horizontal middle spindle, under the immovable state of above electric feed signal, the beam angle of this antenna will be widened by correspondence, to realize the function of the needed vertical variable wave beam of multifunction radar.
The above, be preferred embodiments of the present utility model, but the utility model is not limited to above-described embodiment, as long as it reaches technique effect of the present utility model with any same or similar means, all should belong to protection domain of the present utility model.
Claims (10)
1. the synthetic micro-strip array antenna of the two arrays of variable orientation wave beam, comprise antenna pcb board, it is characterized in that, described antenna pcb board comprises antenna pcb board and lower antenna pcb board, described antenna pcb board at least comprises three layers, the ground floor of described antenna pcb board is radiating element, the second layer is electromagnetic coupled hole, the 3rd layer is feeder line structure, described feeder line structure comprises radio-frequency joint pad, the feed power splitter corresponding with radio-frequency joint pad and the feeder line being connected with feed power splitter, described upper antenna pcb board and lower antenna pcb board are along the angle of horizontal center line adjustable antenna array.
2. the synthetic micro-strip array antenna of the two arrays of a kind of variable orientation wave beam according to claim 1, is characterized in that, described antenna pcb board is also provided with the 4th layer, and described the 4th layer is all reflector with ground floor.
3. the synthetic micro-strip array antenna of the two arrays of a kind of variable orientation wave beam according to claim 1, is characterized in that, described upper and lower antenna pcb board is symmetrical up and down with horizontal center line.
4. the synthetic micro-strip array antenna of the two arrays of a kind of variable orientation wave beam according to claim 1, is characterized in that, described electromagnetic coupled hole is two orthogonal H type electromagnetic coupled holes that produce horizontal polarization and vertical polarization.
5. the synthetic micro-strip array antenna of the two arrays of a kind of variable orientation wave beam according to claim 1, it is characterized in that, described radio-frequency joint pad comprises vertical polarization radio-frequency joint pad and horizontal polarization radio-frequency joint pad, and described vertical polarization radio-frequency joint pad is connected with corresponding vertical polarization feed power splitter and horizontal polarization feed power splitter by wire with horizontal polarization radio-frequency joint pad.
6. the two arrays of a kind of variable orientation wave beam synthesize micro-strip array antenna according to claim 1 or 5, it is characterized in that, the position of upper antenna pcb board and lower feed pcb board feed is arranged on asymmetrical position.
7. the synthetic micro-strip array antenna of the two arrays of a kind of variable orientation wave beam according to claim 6, is characterized in that, the position of upper antenna pcb board and lower antenna pcb board feed is arranged between the 10th of above and below, horizontal center and the 11st sub antenna.
8. the synthetic micro-strip array antenna of the two arrays of a kind of variable orientation wave beam according to claim 5, is characterized in that, the feeder line of described horizontal polarization feed power splitter left and right two-way is not for isometric.
9. the two arrays of a kind of variable orientation wave beam synthesize micro-strip array antenna according to claim 1 or 5, it is characterized in that, the vertical polarization phase difference in described upper antenna pcb board and lower antenna pcb board is 180 °.
10. the two arrays of a kind of variable orientation wave beam synthesize micro-strip array antenna according to claim 1 or 5, it is characterized in that, the feeder line of the feed power splitter of the vertical polarization separately left and right two-way of described upper antenna pcb board and lower antenna pcb board is not isometric, and phase difference is 180 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520899765.3U CN205248443U (en) | 2015-11-11 | 2015-11-11 | Synthetic microstrip array antenna of two arrays of variable directional beam |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520899765.3U CN205248443U (en) | 2015-11-11 | 2015-11-11 | Synthetic microstrip array antenna of two arrays of variable directional beam |
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| Publication Number | Publication Date |
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| CN205248443U true CN205248443U (en) | 2016-05-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520899765.3U Active CN205248443U (en) | 2015-11-11 | 2015-11-11 | Synthetic microstrip array antenna of two arrays of variable directional beam |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105356050A (en) * | 2015-11-11 | 2016-02-24 | 珠海纳睿达科技有限公司 | Oriented wave beam variable double-array synthesis microstrip array antenna |
| CN111615776A (en) * | 2018-01-18 | 2020-09-01 | 罗伯特·博世有限公司 | Antenna element and antenna array |
-
2015
- 2015-11-11 CN CN201520899765.3U patent/CN205248443U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105356050A (en) * | 2015-11-11 | 2016-02-24 | 珠海纳睿达科技有限公司 | Oriented wave beam variable double-array synthesis microstrip array antenna |
| CN105356050B (en) * | 2015-11-11 | 2019-06-07 | 珠海纳睿达科技有限公司 | A kind of double arrays synthesis micro-strip array antennas of variable orientation wave beam |
| CN111615776A (en) * | 2018-01-18 | 2020-09-01 | 罗伯特·博世有限公司 | Antenna element and antenna array |
| CN111615776B (en) * | 2018-01-18 | 2023-12-15 | 罗伯特·博世有限公司 | Antenna element and antenna array |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20160808 Address after: 519080 Guangdong city of Zhuhai Province town Harbour Road Technology Road No. 10 sixth storey main building 607 room N unit Patentee after: XTR SOLUTIONS LTD. Address before: 519080, building sixth, room 603, room 10 (main office area), main building, No. 1, science and technology road, Harbour Road, Tang Wan Town, Zhuhai, Guangdong, Patentee before: ZHUHAI JIAZHONGTONG TECHNOLOGY CO., LTD. |
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| CP03 | Change of name, title or address |
Address after: No.2 Gangle Road, Tangjiawan Town, Zhuhai City, Guangdong Province 519080 Patentee after: Guangdong Narui Radar Technology Co.,Ltd. Address before: 519080 unit n, room 607, 6th floor, main building, No.10, Keji 1st Road, Gangwan Avenue, Tangjiawan Town, Zhuhai City, Guangdong Province Patentee before: Zhuhai Naruida Technology Co.,Ltd. |
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