CN105655695A - Low-profile circular polarized antenna array - Google Patents
Low-profile circular polarized antenna array Download PDFInfo
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- CN105655695A CN105655695A CN201410642266.6A CN201410642266A CN105655695A CN 105655695 A CN105655695 A CN 105655695A CN 201410642266 A CN201410642266 A CN 201410642266A CN 105655695 A CN105655695 A CN 105655695A
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- antenna
- low profile
- feeder network
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Abstract
The invention provides a low-profile circular polarized antenna array. The low-profile circular polarized antenna array mainly comprises a medium substrate, and a feeding network, the conductive ground and four antenna radiation units which are attached to the medium substrate, wherein the conductive ground is the ground of the four antenna radiation units, the feeding wire network comprises an input port and four output ports, input signals are received by the input port of the feeding wire network, and feeding of the four antenna radiation units is realized through output signals of the four output ports of the feeding wire network. According to the low-profile circular polarized antenna array, the antenna space is compressed, circular antenna polarization is realized, integration with hardware circuit portions such as a radio frequency module is easy, other hardware circuits of transceivers can realize integration on the middle ground of the antenna array, the antenna and hardware circuits can be integrated, and the high integration degree is realized.
Description
Technical field
The present invention relates to antenna technical field, particularly relate to a kind of low profile round polarizing antenna battle array.
Background technology
In a wireless communication system, antenna is the critical component that signal is launched and received; Along with the development of wireless communication technology, the application such as wireless data communication, collection is extensive all the more. Wireless transmitting-receiving equipments is more towards miniaturization, for instance, adopt portable data gathering equipment as wireless transmitting-receiving equipments, the sky space of lines in wireless transmitting-receiving equipments, circuit fabric swatch etc. are just required more and more stricter by this. On the other hand, mini-plant for wireless receiving and dispatching, circular polarized antenna is also more and more studied and is applied, compared with linear polarized antenna, the advantageous of circular polarized antenna exists: circular polarized antenna can not only receive the circular polarisation electromagnetic wave of same rotation direction, can receiving the electromagnetic wave of any linear polarization, the electromagnetic wave of its radiation is received by the antenna of same rotation direction circular polarized antenna or any linear polarization.
Therefore, the circular polarization antenna array developing a kind of high integration is a problem demanding prompt solution.
Summary of the invention
The embodiment provides a kind of low profile round polarizing antenna battle array, to improve the integrated level of circular polarization antenna array.
The invention provides following scheme:
A kind of low profile round polarizing antenna battle array device, including: medium substrate, and it is attached to the feeder network on described medium substrate, conductively with four antenna radiation units, described is the ground of four antenna radiation units conductively, described feeder network includes an input port and four output ports, the input port of described feeder network receives input signal, and described four antenna radiation units are fed by the output signal of four output ports of described feeder network respectively.
Described device also includes 4 excitation port connected respectively with described four antenna radiation units, and described 4 excitation port are corresponding with the four of described feeder network output ports respectively, receive the output signal of four output ports of described feeder network.
The phase place of four output signals of four output ports of described feeder network respectively differs 90 degree successively.
Described media substrate includes board substrate.
Described four antenna radiation units are molded on described board substrate in the way of etching.
Described antenna radiation unit includes low profile antenna or antenna integrated.
Described low profile antenna includes monopole antenna, inverted-L antenna or inverse-F antenna.
Described antenna integrated include ceramic antenna.
Described feeder network includes the networking of microstrip line composition or the phase-shift network of integrated device composition.
Respectively 0 degree, 90 degree, 180 degree, 270 degree of the phase place of four output signals of four output ports of described feeder network.
The matches impedances of the impedance of described feeder network and four antenna elements.
The technical scheme provided by embodiments of the invention described above is it can be seen that the low profile round polarizing antenna battle array of the embodiment of the present invention provides a kind of low section, integrated level is high, be prone to the circular polarization antenna array that hardware circuit combines; This device have compressed a day space of lines, it is achieved that the circular polarisation of antenna, it is easy to integrated with hardware circuit part such as radio-frequency modules. Other hardware circuits of transceiver can antenna array medially on carry out integrated, it is achieved that the integration of antenna and hardware circuit, integrated level is high.
Accompanying drawing explanation
In order to be illustrated more clearly that the technical scheme of the embodiment of the present invention, below the accompanying drawing used required during embodiment is described is briefly described, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the premise not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
The four unit inverted f circular polarization antenna array schematic diagrams that Fig. 1 provides for the embodiment of the present invention one; Diagram includes inverse-F antenna 1-1, inverse-F antenna 1-2, inverse-F antenna 1-3, inverse-F antenna 1-4, medium substrate 1-6, conductively 1-5;
The four unit inverted L circular polarization antenna array schematic diagrams that Fig. 2 provides for the embodiment of the present invention two, in figure, inverted l antenna 2-1, inverted l antenna 2-2, inverted l antenna 2-3, inverted l antenna 2-4, medium substrate 2-6, conductively 2-5;
The four unit ceramic antenna circular polarization antenna array schematic diagrams that Fig. 3 provides for the embodiment of the present invention three; In figure, ceramic antenna 3-1, ceramic antenna 3-2, ceramic antenna 3-3, ceramic antenna 3-4, on medium substrate 3-6,3-5 conductively;
Fig. 4 is the schematic diagram of the feeder network being made up of microstrip line in the embodiment of the present invention;
Fig. 5 is the schematic diagram of the feeder network being made up of bonder integrated device in the embodiment of the present invention.
Detailed description of the invention
For ease of the understanding to the embodiment of the present invention, it is further explained explanation below in conjunction with accompanying drawing for several specific embodiments, and each embodiment is not intended that the restriction to the embodiment of the present invention.
The low profile round polarizing antenna battle array device of the embodiment of the present invention includes: medium substrate, the feeder network being attached on medium substrate, be attached on medium substrate conductively, four antenna radiation units being attached on medium substrate; Wherein media substrate can be board substrate, four antenna radiation units are molded on board substrate in the way of etching, possesses electric conductivity, four antenna radiation units are encouraged by feeder network respectively, respectively 0 degree, 90 degree, 180 degree, 270 degree of the phase place of pumping signal, thus forming a broadband circular polarisation battle array.
Antenna radiation unit includes low profile antenna or antenna integrated, and low profile antenna includes inverted-L antenna or inverse-F antenna, antenna integrated includes ceramic antenna.
Antenna radiation unit can take monopole antenna, inverted-L antenna, reversed F-typed, compact ceramic antenna etc., particularly monopole antenna, inverted-L antenna, inverted F shaped antenna can directly molding on circuit boards, it is possible to achieve the low section of aerial array;And ceramic antenna possesses characteristic smaller, that space is less. Feeder network can adopt the network that microstrip line forms, it is achieved the feed of antenna and phase shift, it is possible to adopts the phase-shift network of the surface-mounted device compositions such as bonder, completes phase shift. Simultaneously for such low profile round polarizing antenna battle array device, owing to the centre position of this antenna array exists in large area, other hardware circuits of transceiver can antenna array medially on carry out integrated. Thus achieving again the integration of antenna and hardware circuit, integrated level is high.
Embodiment one
The schematic diagram of a kind of four unit inverted f circular polarization antenna array devices that this embodiment provides as it is shown in figure 1, include inverse-F antenna 1-1, inverse-F antenna 1-2, inverse-F antenna 1-3, inverse-F antenna 1-4, medium substrate 1-6, conductively 1-5. Wherein, inverse-F antenna 1-1, inverse-F antenna 1-2, inverse-F antenna 1-3, inverse-F antenna 1-4 are conductive material, are attached on medium substrate 1-6, and 1-5 is the ground of four inverse-F antennas conductively; Inverse-F antenna 1-1 is carried out feed by pumping signal and encourages by excitation port 1, inverse-F antenna 1-2 is carried out feed by pumping signal and encourages by excitation port 2, inverse-F antenna 1-3 is carried out feed excitation by pumping signal by excitation port 3, and inverse-F antenna 1-4 is carried out feed by pumping signal and encourages by excitation port 4.
Feeder network acts primarily as the effect of phase shift, it is possible to adopt microstrip line to make, it is possible to adopt integrated device to carry out circuit production. Finally, four inverse-F antennas are carried out constant amplitude excitation through feeder network by signal, and phase place differs 90 degree successively, form low section, four unit inverted f circular polarization antenna arrays. The fabric swatch of other circuit can be carried out in the additionally one side of 1-5 conductively or media substrate 1-6 simultaneously, make transceiver and antenna assembly, possess higher integrated level.
Wherein feeder network can be formed by microstrip design, it is possible to is made by integrated devices such as bonders, below feeder network is carried out brief introduction:
As shown in Figure 4, for the schematic diagram of the feeder network of microstrip line composition, signal enters from 4-9, through three Wilkinson power dividers, exports at four outfans 4-2,4-4,4-5,4-7, the matches impedances of the impedance of feeder network and four antenna elements. And form four constant-amplitude signals at four outfans, by adjusting microstrip line length 4-1,4-3,4-6,4-8, make this line length with 1/4th microstrip line increasing lengths, so that the phase place of the signal of four outfans 4-2,4-4,4-5,4-7 output differs 90 degree successively, thus completing the amplitude phase shift successively such as signal of four outfans outputs. The signal of four outfan 4-2,4-4,4-5,4-7 outputs is transferred to the excitation port 1 in Fig. 1, excitation port 2, excitation port 3 and excitation port 4 respectively, respectively as the pumping signal of excitation port 1, excitation port 2, excitation port 3 and excitation port 4.
As shown in Figure 5, schematic diagram for the feeder network of bonder integrated device composition, 5-2,5-4,5-5 are three three-dB couplers, signal is from 5-8 feed-in, 5-3 is a quarter-wave microstrip line, by three bonder rational deployment, signal constant amplitude that port 5-7,5-1,5-6,5-9 export, phase place is finally made to differ 90 degree successively.
Embodiment two
The structural representation of a kind of four unit inverted L circular polarization antenna arrays that this embodiment provides is as in figure 2 it is shown, include: inverted l antenna 2-1, inverted l antenna 2-2, inverted l antenna 2-3, inverted l antenna 2-4, medium substrate 2-6, conductively 2-5.Wherein, inverted l antenna 2-1, inverted l antenna 2-2, inverted l antenna 2-3, inverted l antenna 2-4 are conductive material, are attached on medium substrate 2-6, and 2-5 is the ground of four antenna element battle arrays conductively; Inverted l antenna 2-1 is carried out feed by pumping signal and encourages by excitation port 1, inverted l antenna 2-2 is carried out feed by pumping signal and encourages by excitation port 2, inverted l antenna 2-3 is carried out feed by pumping signal and encourages by excitation port 3, inverted l antenna 2-4 is carried out feed by pumping signal and encourages by excitation port 4, and the amplitude of the pumping signal of excitation port 1, excitation port 2, excitation port 3, excitation port 4 is identical, phase 90 degree; Feeder network acts primarily as the effect of phase shift, it is possible to adopt the mode of microstrip line to make, it is possible to adopt integrated device to carry out circuit production. Eventually pass through signal, through feeder network, four antennas are carried out constant amplitude excitation, and phase place differs 90 degree successively, form low section, four unit inverted L circular polarization antenna arrays. The fabric swatch of other circuit can be carried out in the additionally one side of 2-5 conductively or media substrate 2-6 simultaneously, make transceiver and antenna assembly, possess higher integrated level.
Embodiment three
The structural representation of a kind of four unit ceramic antenna circular polarization antenna arrays that this embodiment provides is as it is shown on figure 3, include: ceramic antenna 3-1, ceramic antenna 3-2, ceramic antenna 3-3, ceramic antenna 3-4, on medium substrate 3-6, and 3-5 conductively. Wherein, ceramic antenna 3-1, ceramic antenna 3-2, ceramic antenna 3-3, ceramic antenna 3-4 are ceramic antenna, are attached on medium substrate 3-6, and 3-5 is the ground of four antenna element battle arrays conductively; Ceramic antenna 3-1 is carried out feed by pumping signal and encourages by excitation port 1, ceramic antenna 3-2 is carried out feed by pumping signal and encourages by excitation port 2, ceramic antenna 3-3 is carried out feed by pumping signal and encourages by excitation port 3, ceramic antenna 3-4 is carried out feed by pumping signal and encourages by excitation port 4, and the pumping signal amplitude of excitation port 1, excitation port 2, excitation port 3, excitation port 4 is identical, phase 90 degree; Feeder network acts primarily as the effect of phase shift, it is possible to adopt the mode of microstrip line to make, it is possible to adopt integrated device to carry out circuit production. Eventually pass through signal, through feeder network, four antennas are carried out constant amplitude excitation, and phase place differs 90 degree successively, form low section, four unit ceramic circular polarized antenna battle arrays. The fabric swatch of other circuit can be carried out in the additionally one side of 3-5 conductively or media substrate 3-6 simultaneously, make transceiver and antenna assembly, possess higher integrated level.
In sum, the low profile round polarizing antenna battle array of the embodiment of the present invention provides a kind of low section, integrated level is high, be prone to the circular polarization antenna array that hardware circuit combines; This device have compressed a day space of lines, it is achieved that the circular polarisation of antenna, it is easy to integrated with hardware circuit part such as radio-frequency modules. Other hardware circuits of transceiver can antenna array medially on carry out integrated, it is achieved that the integration of antenna and hardware circuit, integrated level is high.
One of ordinary skill in the art will appreciate that: accompanying drawing is the schematic diagram of an embodiment, module or flow process in accompanying drawing are not necessarily implemented necessary to the present invention.
As seen through the above description of the embodiments, those skilled in the art is it can be understood that can add the mode of required general hardware platform by software to the present invention and realize. ?he ? peaceful fried twisted dough sticks ? convulsion 19. saddle cloth border sweet wine oar pair office that raises of hacking of shelf ? of standing up bites casket rice weevil rub-a-dub cutter rhythm clock bits border ankle the upper and lower teeth not meeting properly childhood and finishes vertebra and try to gain the sincere tip of bran and pound the even ? of pressing and smooth ? and return man and ask that religion spouse grows the falcon ? eyebrow that stand tall and upright and flutters the ? that is satisfied and press and smooth ? ? room tip source Wa (16) cheat Wa 13. big shield hands Jiao ? Mirror OM/RAM, magnetic disc, CD etc., including some instructions with so that a computer equipment (can be personal computer, server, or the network equipment etc.) perform the method described in some part of each embodiment of the present invention or embodiment.
Each embodiment in this specification all adopts the mode gone forward one by one to describe, between each embodiment identical similar part mutually referring to, what each embodiment stressed is the difference with other embodiments. Especially for device or system embodiment, owing to it is substantially similar to embodiment of the method, so describing fairly simple, relevant part illustrates referring to the part of embodiment of the method. Apparatus and system embodiment described above is merely schematic, the wherein said unit illustrated as separating component can be or may not be physically separate, the parts shown as unit can be or may not be physical location, namely may be located at a place, or can also be distributed on multiple NE. Some or all of module therein can be selected according to the actual needs to realize the purpose of the present embodiment scheme. Those of ordinary skill in the art, when not paying creative work, are namely appreciated that and implement.
The above; being only the present invention preferably detailed description of the invention, but protection scope of the present invention is not limited thereto, any those familiar with the art is in the technical scope that the invention discloses; the change that can readily occur in or replacement, all should be encompassed within protection scope of the present invention. Therefore, protection scope of the present invention should be as the criterion with scope of the claims.
Claims (11)
1. one kind low profile round polarizing antenna battle array device, it is characterized in that, including: medium substrate, and it is attached to the feeder network on described medium substrate, conductively with four antenna radiation units, described is the ground of four antenna radiation units conductively, described feeder network includes an input port and four output ports, and the input port of described feeder network receives input signal, and described four antenna radiation units are fed by the output signal of four output ports of described feeder network respectively.
2. low profile round polarizing antenna device according to claim 1, it is characterized in that, described device also includes 4 excitation port connected respectively with described four antenna radiation units, described 4 excitation port are corresponding with the four of described feeder network output ports respectively, receive the output signal of four output ports of described feeder network.
3. low profile round polarizing antenna device according to claim 1, it is characterised in that the phase place of four output signals of four output ports of described feeder network respectively differs 90 degree successively.
4. low profile round polarizing antenna device according to claim 1, it is characterised in that described media substrate includes board substrate.
5. low profile round polarizing antenna device according to claim 4, it is characterised in that described four antenna radiation units are molded on described board substrate in the way of etching.
6. low profile round polarizing antenna device according to claim 1, it is characterised in that described antenna radiation unit includes low profile antenna or antenna integrated.
7. low profile round polarizing antenna device according to claim 6, it is characterised in that described low profile antenna includes monopole antenna, inverted-L antenna or inverse-F antenna.
8. low profile round polarizing antenna device according to claim 6, it is characterised in that described antenna integrated include ceramic antenna.
9. the low profile round polarizing antenna device according to any one of claim 1 to 8, it is characterised in that described feeder network includes the networking of microstrip line composition or the phase-shift network of integrated device composition.
10. low profile round polarizing antenna device according to claim 9, it is characterised in that respectively 0 degree, 90 degree, 180 degree, 270 degree of the phase place of four output signals of four output ports of described feeder network.
11. low profile round polarizing antenna device according to claim 9, it is characterised in that the matches impedances of the impedance of described feeder network and four antenna elements.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201410642266.6A CN105655695A (en) | 2014-11-13 | 2014-11-13 | Low-profile circular polarized antenna array |
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| CN201410642266.6A CN105655695A (en) | 2014-11-13 | 2014-11-13 | Low-profile circular polarized antenna array |
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| CN105655695A true CN105655695A (en) | 2016-06-08 |
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| CN106911012A (en) * | 2017-04-01 | 2017-06-30 | 华侨大学 | A kind of high-gain reading and writing device antenna of fitting room rfid system |
| CN108493591A (en) * | 2018-03-15 | 2018-09-04 | 上海微小卫星工程中心 | Spaceborne VHF antenna assemblies |
| CN109193157A (en) * | 2018-09-20 | 2019-01-11 | 上海朴顺电子科技有限公司 | A kind of Broadband circularly polarized antenna based on novel feeding network |
| CN109473786A (en) * | 2018-12-27 | 2019-03-15 | 南京信息工程大学 | A kind of combined artificial electromagnetic structure suitable for arbitrary polarisation direction energy acceptance |
| CN109546320A (en) * | 2018-11-15 | 2019-03-29 | 南京尤圣美电子科技有限公司 | A kind of handheld terminal omnidirectional circular-polarized antenna |
| CN112655113A (en) * | 2020-04-02 | 2021-04-13 | 深圳市大疆创新科技有限公司 | Circularly polarized antenna device and movable platform |
| CN115566420A (en) * | 2022-09-15 | 2023-01-03 | 东莞理工学院 | Omnidirectional circularly polarized inverted F antenna |
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Application publication date: 20160608 |