CN204991952U - Miniaturized handheld quick -witted antenna of multifrequency - Google Patents
Miniaturized handheld quick -witted antenna of multifrequency Download PDFInfo
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- CN204991952U CN204991952U CN201520485690.4U CN201520485690U CN204991952U CN 204991952 U CN204991952 U CN 204991952U CN 201520485690 U CN201520485690 U CN 201520485690U CN 204991952 U CN204991952 U CN 204991952U
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Abstract
The utility model discloses a miniaturized handheld quick -witted antenna of multifrequency, including feeder line board and a plurality of ceramic antenna, its characterized in that, the grouping of a plurality of ceramic antennas sets up in the both sides of feeder line board, and wherein one side is the at least stromatolite antenna structure who is formed by stacking on three ceramic antenna, and stromatolite antenna structure is by being low frequency pottery antenna, intermediate frequency pottery antenna and the ceramic antenna of high frequency on going in proper order, the ceramic antenna of opposite side for placing alone, working frequency band looks the product actual conditions and decides, the feeder line board be provided with with phase -shift network, feed hole site and joint installation position that the pottery antenna pair should be connected, a plurality of ceramic antennas are worked respectively in the working frequency band of difference. The utility model discloses can receive or launch the navigation satellite signal of a plurality of frequency channels simultaneously to have the miniaturization, the firm high structural characteristic of reliability all has good standing -wave ratio on each working frequency band, circular polarization axial ratio and low angle of elevation gain performance.
Description
Technical field
The utility model relates to antenna technical field, relates to a kind of miniaturized hand-held set antenna more specifically.
Background technology
As everyone knows, satellite navigation system is beneficial to artificial earth satellite exactly and carries out radionavigational system.Its basic function be provide in real time accurately to all types of user, the information such as continuous print Position, Velocity and Time, and then complete navigation to target, location, monitoring and control.Owing to having the features such as high accuracy, round-the-clock and real-time, satellite navigation system is applied increasingly extensive in military and civil area, and plays more and more important effect.
Miniaturized navigation antenna is the focus of Abroad in Recent Years each satellite navigation aerial manufacturer research, is the main trend that satellite navigation receiver develops by the multimode multi-frequency GNSS receiver of its equipment.Following receivable satellite navigation constellation gets more and more, and comprises GPS, the Big Dipper, GLONASS, Galileo.The available number of satellite of multimode multi-frequency satellite navigation receiver is multiplied, and can guarantee that user reliablely and stablely receives satellite-signal, even if also can ensure the continuity of navigator fix, availability and integrity when reception environment is severe.
In addition, due to the restriction of navigation antenna environment for use, usually require that antenna has miniaturized and high reliability performance to meet the particular/special requirement of various installation, environment for use, such as be installed on the needs of vehicle, aircraft, hand-held navigator, this navigation antenna will be asked also will to meet while meeting electricity function index compact structure is firm, the reliability requirement such as high-low temperature resistant and high strength temperature shock, vibration.
The satellite navigation aerial generally used at present is generally single frequency operation, and the technological approaches often adopted to realize multiple-frequency operation is multiple antennas combined method.Conventional antenna sets is legal the legal and vertical stack method two kinds of the horizontal group of multiple single-band antenna.Horizontal group is legal is that multiple single-band antenna is distributed in same level, and this method can ensure each single-band antenna a period of time performance, but integrated antenna size is large and asymmetric ground makes most of radiation pattern tilt, and antenna low elevation angle index deviation in roundness is poor.Vertical stack layout is by multiple single-band antenna in same symmetrical centre vertical stacking, and the method can greatly reduce antenna horizontal plane overall dimensions and can improve low elevation angle index, is applicable to the product without limitation in height.But along with single-band antenna quantity increases, lower floor's antenna substrate and radiating surface need reserved abundant metallization via hole to pass through by the feed pin of upper strata antenna, too much metallization via hole makes the gain of lower floor's antenna and low elevation gain deviation in roundness decline.The increase of the lamination number of plies also strengthens debugging difficulty and the close antenna coupling of working frequency range is wayward.Therefore, under suitable lamination number of plies condition, aerial stack high for low elevation angle index request is vertically placed, advantage that compound mode that interference is large by intercoupling, frequency range is close antenna is horizontally separated combines the legal and vertical stack method of horizontal group, having severity size restrictions and be widely used in the high product of index request.
Summary of the invention
A kind of structure that the purpose of this utility model is exactly deficiency in order to solve prior art and provides is simple, and compact is firm, and each antenna elevation angle index and each other degree of coupling are able to the small-sized multi-frequency hand-held set antenna obviously improved.
The utility model adopts following technical solution to realize above-mentioned purpose: a kind of small-sized multi-frequency hand-held set antenna, comprise feeder board and multiple ceramic antenna, it is characterized in that, described multiple ceramic antenna grouping is arranged on the both sides of feeder board, wherein side is the laminated antenna structure be at least formed by stacking by three ceramic antennas, and laminated antenna structure is followed successively by low frequency ceramic antenna, intermediate frequency ceramic antenna and high-frequency ceramic antenna from down to up; Opposite side is the ceramic antenna placed separately, and working frequency range is depending on product actual conditions; Feeder board be provided with corresponding with described ceramic antenna connect phase-shift network, power feed hole position and jiont treatment position; Multiple ceramic antenna works in different working bands respectively.
Further illustrating as such scheme, the area of described low frequency ceramic antenna, intermediate frequency ceramic antenna, high-frequency ceramic antenna diminishes gradually.
Described low frequency ceramic antenna, intermediate frequency ceramic antenna and high-frequency ceramic antenna work in the B3 frequency range of dipper system, L frequency range and S frequency range respectively.
Described low frequency ceramic antenna comprises lower metal reflector, layer dielectric and lower floor's radiation patch from down to up successively; Described layer dielectric thickness is 5-7 millimeter, and employing dielectric constant is the ceramic dielectric structure of 13-17.
The metallic reflector of described low frequency ceramic antenna and the welding of antenna circuit board upper strata.
Described intermediate frequency ceramic antenna comprises middle layer metal reflector, middle level medium and middle level radiation patch from down to up successively; Described middle level dielectric thickness is 3-6 millimeter, adopts the ceramic dielectric structure of dielectric constant range between 10-15.
Described high-frequency ceramic antenna comprises upper strata metallic reflector, top dielectric and upper strata radiation patch from down to up successively; Described ceramic dielectric thickness is 2-4 millimeter, adopts the ceramic dielectric structure of dielectric constant 7-9.
The ceramic antenna of described independent setting comprises metallic reflector, ceramic dielectric and radiation patch from down to up successively; It is operated in dipper system B1 frequency range, ceramic dielectric thickness 3-6 millimeter, and employing dielectric constant is the ceramic dielectric structure of 35-38.
The low frequency ceramic antenna of described laminated antenna structure is connected with lower floor's feed pin of two 90 degree of orthogonal phase shifts, intermediate frequency ceramic antenna is provided with middle level feed pin, upper strata feed pin is provided with in the middle part of high-frequency ceramic antenna, the metallization via hole alignd with upper strata feed pin concentric is provided with, the diameter range 3-5 millimeter of metallization via hole in the middle part of intermediate frequency ceramic antenna; Low frequency ceramic antenna is provided with the metallization via hole alignd with high-frequency ceramic antenna and the intermediate frequency ceramic antenna feed coaxial needle heart, the diameter range 3-5 millimeter of metallization via hole;
Described low frequency ceramic antenna, tin cream between intermediate frequency ceramic antenna and high-frequency ceramic antenna, is used to carry out welding.
The metal reflective layer of described independent placing ceramic antenna and rectilinear line plate upper strata use conducting resinl to fit tightly, and its feed pin is welded with respective pad place of rectilinear line plate lower floor.
Described laminated antenna structure is arranged in parallel with the ceramic antenna placed separately, or mutual differential seat angle.
The beneficial effect that the utility model adopts above-mentioned technical solution to reach is:
1, the utility model can receive simultaneously or launch the navigation satellite signal of multiple frequency range, and has miniaturization, and the architectural characteristic that firm reliability is high all has good standing-wave ratio on each working frequency range, Circular polarization ratio and low elevation gain performance.
2, the utility model is by placing B3, L, S tri-frequency ceramic aerial stacks, is separated the B1 frequency range having severe jamming with L-band, realizes a kind of miniaturization and the multifrequency hand-held set antenna of excellent electrical property; Compare with the antenna combination mode of multifrequency vertical stack with the antenna combination mode of horizontal layout, version can reduce antenna area and height, simultaneously each frequency range low elevation gain and each other the index such as isolation all have rising, 20 °, elevation angle gain ascensional range 0.5dB.
Accompanying drawing explanation
Fig. 1 is multi-layered ceramic entire physical cutaway view of the present utility model;
Fig. 2 is the structure chart of B1 ceramic antenna of the present utility model;
Fig. 3 is the overall front view of ceramic antenna of embodiment 1 of the present utility model;
Fig. 4 is the overall vertical view of ceramic antenna of embodiment 1 of the present utility model;
Fig. 5 is the overall front view of embodiment 2 ceramic antenna of the present utility model;
Fig. 6 is the overall vertical view of ceramic antenna of embodiment 2 of the present utility model.
Description of reference numerals: 1-rectangle feeder board,
2-laminated antenna structure, 2-1-low frequency ceramic antenna, 2-11-layer dielectric, 2-12-lower floor feed pin 2-2-intermediate frequency ceramic antenna, 2-21-middle level medium, 2-22-middle level feed pin, 2-3-high-frequency ceramic antenna 2-31-top dielectric, 2-32-upper strata feed pin,
3-B1 ceramic antenna, 4-MCX-J radio frequency (RF) coaxial connector, 5-insulating cement, 6-B1 ceramic antenna feed pin.
Embodiment
Below in conjunction with specific embodiment, specific embodiments of the present utility model is described in further detail.Embodiment 1
As Figure 1-Figure 4, the utility model is a kind of small-sized multi-frequency hand-held set antenna, comprise rectangle feeder board 1 and multiple ceramic antenna, the bottom of rectangle feeder board 1 is connected with MCX-J radio frequency (RF) coaxial connector 4, multiple ceramic antenna groupings are arranged on the both sides of feeder board, wherein side is the laminated antenna structure 2 be formed by stacking by three ceramic antennas, and opposite side is the ceramic antenna placed separately.The ceramic antenna of independent placement works in the B1 frequency range of dipper system, hereinafter referred to as B1 ceramic antenna 3.Laminated antenna structure 2 is followed successively by low frequency ceramic antenna 2-1, intermediate frequency ceramic antenna 2-2 and high-frequency ceramic antenna 2-3 from down to up; Low frequency ceramic antenna, intermediate frequency ceramic antenna and high-frequency ceramic antenna work in the B3 frequency range of dipper system, L frequency range and S frequency range respectively.Rectangle feeder board 1 be provided with corresponding with described low frequency ceramic antenna 2-1, intermediate frequency ceramic antenna 2-2, high-frequency ceramic antenna 2-3 and B1 ceramic antenna 3 connect phase-shift network, power feed hole position and jiont treatment position.In this example, each layer ceramic antenna in laminated antenna structure 2 and the ceramic antenna of B1 frequency range are all square, the long limit that four limits of each layer ceramic antenna are corresponding to rectangle feeder board respectively and minor face angle at 45 °; B1 ceramic antenna 3 is positioned at the right side of laminated antenna structure, and long limit or the minor face of its four limit and rectangle feeder board are parallel.Rectangle feeder board screw assemblies and complete machine are fixed.The area of low frequency ceramic antenna, intermediate frequency ceramic antenna, high-frequency ceramic antenna diminishes gradually.
High-frequency ceramic antenna 2-3 comprises upper strata metallic reflector, top dielectric 2-31, upper strata radiation patch from the bottom to top successively, is provided with upper strata feed pin 2-32, and welds in the middle part of high-frequency ceramic antenna.Top dielectric thickness is 2-4 millimeter, adopts the ceramic material of dielectric constant 7-9, to make Antenna Operation in Big Dipper S frequency range.This example at the middle and upper levels medium 2-31 thickness is 3mm, adopts the ceramic material of dielectric constant 8.3.
Intermediate frequency ceramic antenna 2-2 comprises middle layer metal reflector, middle level medium 2-21, middle level radiation patch from the bottom to top successively, and intermediate frequency ceramic antenna is provided with middle level feed pin 2-22.The middle layer metal via hole alignd with upper strata feed pin 2-32 concentric is provided with, via diameter scope 3-5 millimeter in the middle part of intermediate frequency ceramic antenna.Middle level dielectric thickness is 3-6 millimeter, adopts the ceramic material of dielectric constant range 10-15.In the present embodiment, middle level dielectric thickness is 4 millimeters, adopts dielectric constant to be the ceramic material of 13.To make Antenna Operation in Big Dipper L frequency range.
Low frequency ceramic antenna 2-1 comprises lower metal reflector, layer dielectric 2-11, lower floor's radiation patch from the bottom to top successively, low frequency ceramic antenna is provided with two 90 degree orthogonal lower floor feed pin 2-12, object is the phase-shift network in order to coordinate antenna feed electroplax, obtains good broadband circle polarized axial ratio performance; Low frequency ceramic antenna is provided with to be presented pin and middle level and presents 3 via holes that metallize that coaxial needle aligns with upper strata, metallization via hole is formed to conduct electricity be connected with lower floor radiation patch, lower metal reflector, its effect is above electric and feedback point is upper isolates to the feed pin of medium, high frequency ceramic antenna feed, reaches the effect of the electromagnetic coupled between reduction low frequency ceramic antenna and medium, high frequency ceramic antenna.Meanwhile, for ensureing that feed pin does not contact with metallization via hole, the metallization vias inside of co-axially align should be filled with insulating cement 5.Low frequency ceramic antenna and lower floor's feed pin soldering jail.Layer dielectric thickness is 5 ~ 7 millimeters.In the present embodiment, layer dielectric thickness is 6mm, adopts dielectric constant to be the high dielectric constant ceramic material of 15.The area of lower floor's radiating surface is 33*33 millimeter, and adjustment radiating surface, to make its working band variable.
B1 ceramic antenna 3 comprises B1 ceramet reflector, B1 ceramic dielectric, B1 ceramic radiation paster from the bottom to top successively.In this example, B1 ceramic dielectric thickness is 4 millimeters, and employing dielectric constant is the ceramic dielectric structure of 37.The centre distance of B1 ceramic antenna center and multi-layered ceramic antenna is greater than 35mm and B1 ceramic antenna putting position should make B1 ceramic antenna feed pin 6 away from laminated antenna structure, to improve the degree of coupling of B1 ceramic antenna and all the other antennas.In this example, B1 ceramic antenna center and multi-layered ceramic center of antenna distance are 38.4mm.
Embodiment 2
As shown in Fig. 5-Fig. 6, in the present embodiment, the placement form of laminated antenna structure is different from embodiment 1, each layer ceramic antenna in laminated antenna structure and the shape of B1 ceramic antenna consistent with embodiment 1, all be square, the long limit that four limits of each layer ceramic antenna are corresponding to rectangle feeder board respectively or minor face parallel; The ceramic antenna of B1 frequency range is positioned at the right side of laminated antenna structure, and long limit or the minor face of its four limit and rectangle feeder board are parallel.That is, each layer ceramic antenna in laminated antenna structure and B1 ceramic antenna are that flat shape is arranged.
Below the electrical performance data adopting the embodiment 1 of the technical program respective with embodiment 2:
Compare with the antenna combination mode of four frequency vertical stack with the antenna combination mode of horizontal layout, the version that the technical program adopts can reduce antenna area and height, simultaneously each frequency range low elevation gain and each other the index such as isolation all have rising, 20 °, elevation angle gain ascensional range 0.5dB.
Above-described is only preferred implementation of the present utility model; it should be pointed out that for the person of ordinary skill of the art, under the prerequisite not departing from the utility model creation design; can also make some distortion and improvement, these all belong to protection range of the present utility model.
Claims (10)
1. a small-sized multi-frequency hand-held set antenna, comprise feeder board and multiple ceramic antenna, it is characterized in that, described multiple ceramic antenna grouping is arranged on the both sides of feeder board, wherein side is the laminated antenna structure be at least formed by stacking by three ceramic antennas, and laminated antenna structure is followed successively by low frequency ceramic antenna, intermediate frequency ceramic antenna and high-frequency ceramic antenna from down to up; Opposite side is the ceramic antenna placed separately, and working frequency range is depending on product actual conditions; Feeder board be provided with corresponding with described ceramic antenna connect phase-shift network, power feed hole position and jiont treatment position; Multiple ceramic antenna works in different working bands respectively.
2. small-sized multi-frequency hand-held set antenna according to claim 1, is characterized in that, the area of described low frequency ceramic antenna, intermediate frequency ceramic antenna, high-frequency ceramic antenna diminishes gradually; Low frequency ceramic antenna, intermediate frequency ceramic antenna and high-frequency ceramic antenna work in the B3 frequency range of dipper system, L frequency range and S frequency range respectively.
3. small-sized multi-frequency hand-held set antenna according to claim 1, is characterized in that, described low frequency ceramic antenna comprises lower metal reflector, layer dielectric and lower floor's radiation patch from down to up successively; Described layer dielectric thickness is 5-7 millimeter, and employing dielectric constant is the ceramic dielectric structure of 13-17.
4. small-sized multi-frequency hand-held set antenna according to claim 3, is characterized in that, the metallic reflector of described low frequency ceramic antenna and rectilinear line plate upper strata use conducting resinl to fit tightly, and its feed pin is welded in respective pad place of wiring board lower floor.
5. small-sized multi-frequency hand-held set antenna according to claim 1, is characterized in that, described intermediate frequency ceramic antenna comprises middle layer metal reflector, middle level medium and middle level radiation patch from down to up successively; Described middle level dielectric thickness is 3-6 millimeter, adopts the ceramic dielectric structure of dielectric constant range between 10-15.
6. small-sized multi-frequency hand-held set antenna according to claim 1, is characterized in that, described high-frequency ceramic antenna comprises upper strata metallic reflector, top dielectric and upper strata radiation patch from down to up successively; Described ceramic dielectric thickness is 2-4 millimeter, adopts the ceramic dielectric structure of dielectric constant 7-9.
7. small-sized multi-frequency hand-held set antenna according to claim 1, is characterized in that, the ceramic antenna of described independent setting comprises metallic reflector, ceramic dielectric and radiation patch from down to up successively; It is operated in dipper system B1 frequency range, ceramic dielectric thickness 3-6 millimeter, and employing dielectric constant is the ceramic dielectric structure of 35-38.
8. small-sized multi-frequency hand-held set antenna according to claim 1, it is characterized in that, the low frequency ceramic antenna of described laminated antenna structure is connected with two 90 degree orthogonal lower floor's feed pin, intermediate frequency ceramic antenna is provided with middle level feed pin, upper strata feed pin is provided with in the middle part of high-frequency ceramic antenna, the metallization via hole alignd with upper strata feed pin concentric is provided with, the diameter range 3-5 millimeter of metallization via hole in the middle part of intermediate frequency ceramic antenna; Low frequency ceramic antenna is provided with the metallization via hole alignd with high-frequency ceramic antenna and the intermediate frequency ceramic antenna feed coaxial needle heart, the diameter range 3-5 millimeter of metallization via hole.
9. small-sized multi-frequency hand-held set antenna according to claim 1, is characterized in that, described low frequency ceramic antenna, uses tin cream to carry out welding between intermediate frequency ceramic antenna and high-frequency ceramic antenna; The metal reflective layer of described independent placing ceramic antenna and rectilinear line plate upper strata use conducting resinl to fit tightly, and its feed pin is welded with respective pad place of rectilinear line plate lower floor.
10. small-sized multi-frequency hand-held set antenna according to claim 1, is characterized in that, described laminated antenna structure is arranged in parallel with the ceramic antenna placed separately, or mutual differential seat angle.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520485690.4U CN204991952U (en) | 2015-07-06 | 2015-07-06 | Miniaturized handheld quick -witted antenna of multifrequency |
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| CN201520485690.4U CN204991952U (en) | 2015-07-06 | 2015-07-06 | Miniaturized handheld quick -witted antenna of multifrequency |
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| CN204991952U true CN204991952U (en) | 2016-01-20 |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107863436A (en) * | 2017-10-13 | 2018-03-30 | 武汉利之达科技股份有限公司 | A kind of three-dimensional ceramic substrate containing metallic cavity and preparation method thereof |
| CN107959126A (en) * | 2017-12-13 | 2018-04-24 | 湖南华诺星空电子技术有限公司 | A kind of antenna assembly for anti-unmanned plane passive detection and positioning |
| CN108666742A (en) * | 2017-03-31 | 2018-10-16 | 华为技术有限公司 | Multifrequency antenna and communication equipment |
| CN110165384A (en) * | 2018-02-13 | 2019-08-23 | 陶格斯集团有限公司 | Ceramic antenna feed-in hole insulation system |
| CN111009726A (en) * | 2019-12-31 | 2020-04-14 | 上海海积信息科技股份有限公司 | Multi-frequency band antenna |
| CN112531356A (en) * | 2019-09-18 | 2021-03-19 | 北京小米移动软件有限公司 | Antenna structure and mobile terminal |
| CN112803164A (en) * | 2020-12-31 | 2021-05-14 | 常州仁千电气科技股份有限公司 | Miniaturized multi-frequency antenna and manufacturing method thereof |
| CN113178699A (en) * | 2021-04-29 | 2021-07-27 | 人民华智通讯技术有限公司 | Pilot frequency decoupling receiving and transmitting antenna applied to Beidou navigation system |
| CN113764903A (en) * | 2016-12-14 | 2021-12-07 | 太盟光电科技股份有限公司 | Stack type circular polarized antenna structure |
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| CN113764903A (en) * | 2016-12-14 | 2021-12-07 | 太盟光电科技股份有限公司 | Stack type circular polarized antenna structure |
| CN108666742B (en) * | 2017-03-31 | 2021-08-03 | 华为技术有限公司 | Multi-frequency antenna and communication equipment |
| CN108666742A (en) * | 2017-03-31 | 2018-10-16 | 华为技术有限公司 | Multifrequency antenna and communication equipment |
| CN107863436A (en) * | 2017-10-13 | 2018-03-30 | 武汉利之达科技股份有限公司 | A kind of three-dimensional ceramic substrate containing metallic cavity and preparation method thereof |
| CN107863436B (en) * | 2017-10-13 | 2019-11-19 | 武汉利之达科技股份有限公司 | A kind of three-dimensional ceramic substrate and preparation method thereof containing metal cavity |
| CN107959126A (en) * | 2017-12-13 | 2018-04-24 | 湖南华诺星空电子技术有限公司 | A kind of antenna assembly for anti-unmanned plane passive detection and positioning |
| CN107959126B (en) * | 2017-12-13 | 2024-02-27 | 华诺星空技术股份有限公司 | Antenna device for passive detection and positioning of anti-unmanned aerial vehicle |
| CN110165384A (en) * | 2018-02-13 | 2019-08-23 | 陶格斯集团有限公司 | Ceramic antenna feed-in hole insulation system |
| CN112531356A (en) * | 2019-09-18 | 2021-03-19 | 北京小米移动软件有限公司 | Antenna structure and mobile terminal |
| CN112531356B (en) * | 2019-09-18 | 2022-05-03 | 北京小米移动软件有限公司 | Antenna structure and mobile terminal |
| US11342667B2 (en) | 2019-09-18 | 2022-05-24 | Beijing Xiaomi Mobile Software Co., Ltd. | Antenna structure and mobile terminal |
| CN111009726A (en) * | 2019-12-31 | 2020-04-14 | 上海海积信息科技股份有限公司 | Multi-frequency band antenna |
| CN112803164A (en) * | 2020-12-31 | 2021-05-14 | 常州仁千电气科技股份有限公司 | Miniaturized multi-frequency antenna and manufacturing method thereof |
| CN113178699A (en) * | 2021-04-29 | 2021-07-27 | 人民华智通讯技术有限公司 | Pilot frequency decoupling receiving and transmitting antenna applied to Beidou navigation system |
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| Date | Code | Title | Description |
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| 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: 20160120 Termination date: 20210706 |