CN204857954U - Wide angle sweep phased array antenna of ka frequency channel - Google Patents
Wide angle sweep phased array antenna of ka frequency channel Download PDFInfo
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- CN204857954U CN204857954U CN201520587355.5U CN201520587355U CN204857954U CN 204857954 U CN204857954 U CN 204857954U CN 201520587355 U CN201520587355 U CN 201520587355U CN 204857954 U CN204857954 U CN 204857954U
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Abstract
The utility model discloses a wide angle sweep phased array antenna of ka frequency channel, radio frequency circuit layer and radiating layer pass through the through -hole and connect, the radiating layer is connected on the corrective network layer, radio frequency circuit layer and outside local oscillator signal interface are connected respectively to the local oscillator internet, radio frequency circuit layer and outside intermediate frequency connector are connected respectively to the intermediate frequency internet, ring accuse layer sets up in the back on radio frequency circuit layer. Adopt the active phased array antenna structure of piece formula, the space energy synthesis of efficient distributing type feed to and high density monolithic microwave integrated circuit technique, and resource and large -scale production that the make full use of system can provide are technological, improve system integration and utilization ratio, and furthest reduces antenna system's height and volume, and weight reduces manufacturing cost, satisfies the requirement of mass production and debugging.
Description
Technical field
The utility model relates to a kind of mobile satellite communication technology, in particular a kind of Ka frequency range large-angle scanning phased array antenna.
Background technology
Satellite communication has the communication features such as over the horizon, high-quality, uninterrupted, two-forty, and do not rely on and be subject to terrestrial communication link that service disruption, natural calamity and artificial destruction affect and ground network, extend the visual field and the zone of action of people, therefore satellite communication is all more and more subject to the extensive concern of all circles as backbone communication network or alternative communication network.Along with the development of communication technology of satellite and the expansion of application, how realizing becoming more and more urgent with the demand of satellite real time high-speed exchanges data in motion process, it is more and more important that the satellite communication therefore realizing all kinds of carriers of high band becomes.
But the antenna technology research and development in current satellite application mainly concentrate on the external antenna system of height, middle profile, on the platform that this kind of antenna has high-gain, low noise and other advantages is widely used in ground system and do not require antenna height, but require windage carrier platform that is little, that advance at a high speed for unmanned plane, fighter plane, guided missile etc., this kind of antenna is unaccommodated.
Realize carrier satellite TT&Cs such as unmanned plane, fighter plane, guided missiles, need to realize being easy to the external antenna loading on the low section of this type of platform or the ICBM SHF satellite terminal without section, such antenna is easy to the conformal design with carrier and lightweight, low in energy consumption, the little pneumatic property not affecting carrier of size.But this type of antenna is compared to the antenna of high section, design realizes all more difficult, and will realize the premium properties such as high-gain, wide covering, high efficiency, has higher requirement especially for Antenna Design and machining accuracy.
Low section or develop to bidimensional active phase array antenna without the antenna form of section, in the spatial domain of whole wave cover, use mertialess electronics beam scanning, also good tracking can be realized, wherein the servo system of mechanical scanning can disappear, such antenna profile reduces greatly, and the radiating element of antenna and radio circuit and ring control etc. is carried out the development trend that Integrated design is such antenna along with the development of device.And the active phased array system size of large-angle scanning is determined by wavelength, communication frequency is higher, and wavelength is shorter, causes antenna size less, finally causes antenna system to realize more difficult.
Realize large-angle scanning, the antenna element separation of active phased array is determined by wavelength, and Ka band frequency is high, wavelength is short, therefore causes the concrete size of chip Ka frequency range large-angle scanning active phase array antenna less.If realize communication function, active phase array antenna needs to have radiating system, feed system, radio circuit, environmental control system, corrective system and control system etc., how integrated above-mentioned many systemic-functions in limited height and scope, and meet EMC Requirements, the functional layer distribution structure so how carrying out piece type antenna system is the key content realizing chip Ka frequency range wide angle phased array antenna, is the required particular problem solved of the utility model.
Utility model content
The purpose of this utility model is to overcome the deficiencies in the prior art, provides a kind of Ka frequency range large-angle scanning phased array antenna, realizes the height of antenna section lower than 30mm.
The utility model is achieved through the following technical solutions, and the utility model comprises the radiating layer, feed layer, correcting network layer, local oscillator network layer, ring control layer, intermediate frequency network layer and the radio circuit layer that set gradually from top to bottom; Described radio circuit layer is connected by through hole with radiating layer, and described correcting network layer connects radiating layer, and described local oscillator network layer connects radio circuit layer and outside local oscillation signal interface respectively; Described intermediate frequency network layer connects radio circuit layer and outside intermediate frequency connector respectively, and described ring control layer is arranged at the back side of radio circuit layer.
Described radiating layer comprises 8 × 8 64 array elements of structuring the formation, and each array element is that the individual layer breach microband paste etching of single-point feedback forms, and each array element is arranged two for receiving the probe of correction signal.
As one of optimal way of the present utility model, the skin of described radiating layer arranges separator.
As one of optimal way of the present utility model, described correcting network layer comprises 64 and corrects array element, each correction array element connects the probe of array element on corresponding radiating layer by two microstrip lines, two microstrip lines of each correction array element are merged into a road, adjacent two-way remerges Cheng Yilu, and 64 correct array element and merge the signal output of last formation one road successively.
Described radio circuit layer comprises 64 identical array element radio-frequency channels, and each array element radio-frequency channel comprises the decay phase shift chip, power amplifier and the isolator that connect successively.
Described feed layer comprises the identical feed circuit of 64 structures.
Described ring control layer comprises capillary cooling water channel and heat dissipation cold plate, described heat dissipation cold plate is offered many horizontal grooves and form capillary cooling water channel, one end of described many capillary cooling water channels is joined together to form cold water inlet, and the other end is joined together to form hot water outlet.
The utility model has the following advantages compared to existing technology: the utility model adopts chip active phase array antenna structure, efficient distributed feed dimensional energy synthesis, and high density Monolithic Microwave Integrated Circuit Technology, and the available resource of the system that makes full use of and large-scale production technology, improve level of integrated system and utilance, reduce height and the volume of antenna system to greatest extent, weight also reduces manufacturing cost, meet the requirement of producing in enormous quantities and debugging, as the antenna of the communication system of satellite application, coordinate can realize fighter plane by each system, guided missile, the mobility strongs such as unmanned plane, pneumatic property requires bidirectional high-efficiency broadband connections under the Larger Dynamic of high platform, realize the over the horizon observing and controlling to above-mentioned platform and communication requirement.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the structural representation of radiating layer;
Fig. 3 is the structural representation of correcting network layer;
Fig. 4 is single array element radio-frequency channel schematic diagram;
Fig. 5 is the structural representation of local oscillator network layer;
Fig. 6 is the structural representation of feed layer;
Fig. 7 is the structural representation of ring control layer;
Fig. 8 is the structural representation of intermediate frequency network layer.
Embodiment
Below embodiment of the present utility model is elaborated; the present embodiment is implemented under premised on technical solutions of the utility model; give detailed execution mode and concrete operating process, but protection range of the present utility model is not limited to following embodiment.
As shown in Figure 1, the present embodiment comprises the radiating layer 1, feed layer 2, correcting network layer 3, local oscillator network layer 4, ring control layer 5, intermediate frequency network layer 6 and the radio circuit layer 7 that set gradually from top to bottom; Radiating layer 1 carries out signal radiation; Radio circuit layer 7 is directly connected by through hole with radiating layer 1, and the signal mainly realizing radiofrequency signal port input signal to convert to two phase 90 ° passes to radiating layer 1, realizes the circular polarization of signal; Described correcting network layer 3 connects radiating layer 1, for the phased array antenna of Ka frequency range, because wavelength is shorter, must carry out phasing, and consider the order of accuarcy of energy loss and correction, is placed on from the nearest position of radiating layer 1 by correction network layer 3; Local oscillator network layer 4 connects radio circuit layer 7 and outside local oscillation signal interface respectively, and local oscillator network layer 4 provides local oscillation signal for input signal carries out mixing; Intermediate frequency network layer 6 connects radio circuit layer 7 and outside intermediate frequency connector, and the intermediate-freuqncy signal of input carries out distributing to radio circuit corresponding to each array element by intermediate frequency network layer 6; Described ring control layer 5 is arranged at the back side of radio circuit layer 7, because radio circuit layer 7 can produce amount of heat, goes out to dissipate by heat conduction by ring control layer 5, avoids that circuit board is overheated to be burnt; Radio circuit layer 7 carries out mixing amplification to input intermediate-freuqncy signal, then feed layer 2 is passed to, and the supply network required for radio frequency chip is arranged in this layer, consider that this layer is placed on outermost layer by heat dissipation problem, coupling collar control layer 5 just can directly dispel the heat, and avoids that antenna system is overheated burns functional chip.
As can be seen from Figure 1, module of the present utility model contains 7 functional layers, and this system is Ka frequency range, the encapsulation technology adopted can badly influence systematic function, and according to the advantage of LTCC technique in high density, high-performance electronic encapsulation and feature, this system adopts the encapsulation of LTCC technique, and realizes feasible along with the development system of this technology.
The chip Ka frequency range large-angle scanning phased array antenna of the present embodiment can realize digital beam froming, and slab construction, height is lower than 30mm.From functional realiey, electrical property, angularly analyze with difficulty of processing, encapsulation complexity and system radiating, control, this antenna configuration is the optimum configuration realizing this large-angle scanning phase array, and can according to the demand of bay isolation, carry out this system construction radiating layer 1 improving the requirement realizing high-isolation, or come in form digital module by integrated for digital beam process chip.This framework extending transverselyly can realize antenna system scale, also can vertically expand increase function.
As shown in Figure 2, radiating layer 1 comprises 8 × 8 64 array elements of structuring the formation, and each array element is that the individual layer breach microband paste etching of single-point feedback forms, and each array element is arranged two for receiving the probe of correction signal.Radiating layer 11 is of a size of 50mm × 50mm.
Each array element is the individual layer breach microband paste of single-point feedback, and this unit form is the most plain mode realizing circular polarization, only just can be realized by etching and processing with one deck dieelctric sheet.Two probe primary recipient correction signals on each array element, the auxiliary function realizing correcting, the position of concrete probe is determined by unit emulation; Array element is connected with radio circuit layer 7 with correcting network layer 3 by through hole, radiating layer 1 is in outermost layer in the structure of module, and based on the consideration such as electromagnetic compatibility and isolation, need to arrange separator at radiation front skin, separator belongs to a part for radiating layer 1.
Consider that antenna needs with platform conformal, radiating layer 1 adopts patch form, and antenna system needs to carry out large-angle scanning realizes the covering of wave beam spatial domain, therefore fixing array element distance is adopted, unit interval is determined according to scanning angle simulation analysis, signal is gone out to space radiation by each array element, the wave beam in the required direction of synthesis.
As shown in Figure 3, correcting network layer 3 comprises 64 and corrects array element, each correction array element connects the probe of array element on corresponding radiating layer 1 by two microstrip lines, two microstrip lines of each correction array element are merged into a road, adjacent two-way remerges Cheng Yilu, and 64 correct array element and merge the signal output of last formation one road successively.
Correcting network layer 3 coordinates the correcting probe of radiating layer 1 to realize the correction of active phased array, in order to avoid meeting the intensity of correction signal to the impact of radiating layer 1 performance, each correction array element have two probes, corresponding correcting network layer 3 has two microstrip line signal transmissions, then two microstrip lines are merged into a road and form a road correction signal output, the length of probe location and microstrip line is through design of Simulation, guarantee that each probe is identical to the path of correction signal receiver, namely the signal of each probe has identical decay to correction receiver.
As shown in Figure 4, radio circuit layer 7 comprises 64 identical array element radio-frequency channels and required power distribution passage, and each array element radio-frequency channel comprises the decay phase shift chip, power amplifier and the isolator that connect successively.Input radio frequency signal, after overdamping phase shift, amplifies and is transferred to radiating layer 1 again.
The function of radio circuit layer 7 be the radiofrequency signal of transmitting is carried out amplify, amplitude fading and phase change etc., the each passage width required for analog beam synthesis realizing phased array antenna system is worth mutually, this module adopts Miniature RF multifunction chip, realize modulating mutually at the width of small space Zhong Dui 64 road signal, complete Beam synthesis.
The decay main decay of settling signal amplitude of phase shift chip and the change of phase place, signal amplifies by power amplifier, coordinates ripple control to realize transmission channel independently control, for the correction of antenna system by switch.
As shown in Figure 5, the merits such as local oscillator network layer 4 employing divide power divider, by microstrip line, the identical two-way local oscillation signal of input are carried out merit and are divided into 64 road signal transmission to radio circuit floor 7, for the radiofrequency signal frequency conversion of every road provides local oscillation signal.
As shown in Figure 6, feed layer 2 will from radio circuit Ceng 64 tunnel radiofrequency signal, and every road is converted to the two paths of signals of difference 90 degree to each radiating element of corresponding radiating layer 1, and the signal of two-way difference 90 degree forms circular polarization after same radiating element synthesis.
As shown in Figure 7, ring control layer 5 and external rings Ore-controlling Role are connected with two waterway connector, ring control layer 5 comprises capillary cooling water channel 52 and heat dissipation cold plate 51, described heat dissipation cold plate 51 is offered many horizontal grooves and form capillary cooling water channel 52, one end of described many capillary cooling water channels 52 is joined together to form cold water inlet 53, the other end is joined together to form hot water outlet 54, and the cooling water entered by cold water inlet 53 passes to hot water outlet 54 by capillary cooling water channel 52, realizes system cools.
As shown in Figure 8,64 channel signals of input are passed to radio circuit layer 7 by microstrip line and carry out mixing amplification by intermediate frequency network layer 6, realize the change of intermediate-freuqncy signal to radiofrequency signal, adopt different microstrip lines to carry out signal transmission.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all do within spirit of the present utility model and principle any amendment, equivalent to replace and improvement etc., all should be included within protection range of the present utility model.
Claims (7)
1. a Ka frequency range large-angle scanning phased array antenna, is characterized in that, comprises the radiating layer, feed layer, correcting network layer, local oscillator network layer, ring control layer, intermediate frequency network layer and the radio circuit layer that set gradually from top to bottom; Described radio circuit layer is connected by through hole with radiating layer, and described correcting network layer connects radiating layer, and described local oscillator network layer connects radio circuit layer and outside local oscillation signal interface respectively; Described intermediate frequency network layer connects radio circuit layer and outside intermediate frequency connector respectively, and described ring control layer is arranged at the back side of radio circuit layer.
2. a kind of Ka frequency range large-angle scanning phased array antenna according to claim 1, it is characterized in that, described radiating layer comprises 8 × 8 64 array elements of structuring the formation, each array element is that the individual layer breach microband paste etching of single-point feedback forms, and each array element is arranged two for receiving the probe of correction signal.
3. a kind of Ka frequency range large-angle scanning phased array antenna according to claim 2, it is characterized in that, the skin of described radiating layer arranges separator.
4. a kind of Ka frequency range large-angle scanning phased array antenna according to claim 2, it is characterized in that, described correcting network layer comprises 64 and corrects array element, each correction array element connects the probe of array element on corresponding radiating layer by two microstrip lines, two microstrip lines of each correction array element are merged into a road, adjacent two-way remerges Cheng Yilu, and 64 correct array element and merge the signal output of last formation one road successively.
5. a kind of Ka frequency range large-angle scanning phased array antenna according to claim 2, it is characterized in that, described radio circuit layer comprises 64 identical array element radio-frequency channels, and each array element radio-frequency channel comprises the decay phase shift chip, power amplifier and the isolator that connect successively.
6. a kind of Ka frequency range large-angle scanning phased array antenna according to claim 2, it is characterized in that, described feed layer comprises the identical feed circuit of 64 structures.
7. a kind of Ka frequency range large-angle scanning phased array antenna according to claim 2, it is characterized in that, described ring control layer comprises capillary cooling water channel and heat dissipation cold plate, described heat dissipation cold plate is offered many horizontal grooves and form capillary cooling water channel, one end of described many capillary cooling water channels is joined together to form cold water inlet, and the other end is joined together to form hot water outlet.
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Cited By (12)
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| CN105449362A (en) * | 2015-12-17 | 2016-03-30 | 中国电子科技集团公司第五十四研究所 | Double-star and double-beam phased-array antenna for S-frequency band satellite communication |
| CN105721000A (en) * | 2015-12-28 | 2016-06-29 | 深圳市华讯方舟微电子科技有限公司 | Radio-frequency transmitting module, radio-frequency transmitting component, phased-array antenna and production method thereof |
| WO2018111387A1 (en) * | 2016-12-15 | 2018-06-21 | Raytheon Company | Printed wiring board with radiator and feed circuit |
| CN108417961A (en) * | 2018-04-17 | 2018-08-17 | 上海安费诺永亿通讯电子有限公司 | A kind of Massive MIMO arrays antenna |
| CN108494430A (en) * | 2018-03-21 | 2018-09-04 | 北京理工雷科雷达技术研究院有限公司 | A kind of miniaturization mm wave RF front end |
| US10361485B2 (en) | 2017-08-04 | 2019-07-23 | Raytheon Company | Tripole current loop radiating element with integrated circularly polarized feed |
| CN110534870A (en) * | 2018-05-24 | 2019-12-03 | 三星电子株式会社 | Phased array antenna module and communication equipment including phased array antenna module |
| US10541461B2 (en) | 2016-12-16 | 2020-01-21 | Ratheon Company | Tile for an active electronically scanned array (AESA) |
| CN110797624A (en) * | 2019-11-08 | 2020-02-14 | 成都华芯天微科技有限公司 | High-power tile-type phased array antenna |
| US10581177B2 (en) | 2016-12-15 | 2020-03-03 | Raytheon Company | High frequency polymer on metal radiator |
| CN112385086A (en) * | 2018-07-06 | 2021-02-19 | 华为技术有限公司 | Method and apparatus for calibrating phased array antenna |
| CN115882914A (en) * | 2023-02-16 | 2023-03-31 | 中国电子科技集团公司第十研究所 | Reconfigurable multi-beam measurement and control communication terminal phased array |
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- 2015-08-06 CN CN201520587355.5U patent/CN204857954U/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105449362B (en) * | 2015-12-17 | 2018-05-04 | 中国电子科技集团公司第五十四研究所 | A kind of double star dualbeam S band satellite communication phased array antenna |
| CN105449362A (en) * | 2015-12-17 | 2016-03-30 | 中国电子科技集团公司第五十四研究所 | Double-star and double-beam phased-array antenna for S-frequency band satellite communication |
| CN105721000A (en) * | 2015-12-28 | 2016-06-29 | 深圳市华讯方舟微电子科技有限公司 | Radio-frequency transmitting module, radio-frequency transmitting component, phased-array antenna and production method thereof |
| US10581177B2 (en) | 2016-12-15 | 2020-03-03 | Raytheon Company | High frequency polymer on metal radiator |
| WO2018111387A1 (en) * | 2016-12-15 | 2018-06-21 | Raytheon Company | Printed wiring board with radiator and feed circuit |
| US11088467B2 (en) | 2016-12-15 | 2021-08-10 | Raytheon Company | Printed wiring board with radiator and feed circuit |
| TWI680610B (en) * | 2016-12-15 | 2019-12-21 | 美商雷森公司 | Unit cell of a phased array antenna |
| US10541461B2 (en) | 2016-12-16 | 2020-01-21 | Ratheon Company | Tile for an active electronically scanned array (AESA) |
| US10361485B2 (en) | 2017-08-04 | 2019-07-23 | Raytheon Company | Tripole current loop radiating element with integrated circularly polarized feed |
| CN108494430A (en) * | 2018-03-21 | 2018-09-04 | 北京理工雷科雷达技术研究院有限公司 | A kind of miniaturization mm wave RF front end |
| CN108417961A (en) * | 2018-04-17 | 2018-08-17 | 上海安费诺永亿通讯电子有限公司 | A kind of Massive MIMO arrays antenna |
| CN108417961B (en) * | 2018-04-17 | 2024-04-12 | 上海安费诺永亿通讯电子有限公司 | Massive MIMO array antenna |
| CN110534870A (en) * | 2018-05-24 | 2019-12-03 | 三星电子株式会社 | Phased array antenna module and communication equipment including phased array antenna module |
| CN112385086A (en) * | 2018-07-06 | 2021-02-19 | 华为技术有限公司 | Method and apparatus for calibrating phased array antenna |
| US11811147B2 (en) | 2018-07-06 | 2023-11-07 | Huawei Technologies Co., Ltd. | Method for calibrating phased array antenna and related apparatus |
| CN110797624A (en) * | 2019-11-08 | 2020-02-14 | 成都华芯天微科技有限公司 | High-power tile-type phased array antenna |
| CN115882914A (en) * | 2023-02-16 | 2023-03-31 | 中国电子科技集团公司第十研究所 | Reconfigurable multi-beam measurement and control communication terminal phased array |
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