CN203415691U - Array antenna - Google Patents
Array antenna Download PDFInfo
- Publication number
- CN203415691U CN203415691U CN201320554347.1U CN201320554347U CN203415691U CN 203415691 U CN203415691 U CN 203415691U CN 201320554347 U CN201320554347 U CN 201320554347U CN 203415691 U CN203415691 U CN 203415691U
- Authority
- CN
- China
- Prior art keywords
- radiating element
- conducting wire
- radiation
- array antenna
- point
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Variable-Direction Aerials And Aerial Arrays (AREA)
Abstract
The utility model relates to an array antenna. The array antenna comprises a ground plate, a first radiation group, a second radiation group, and at least one first feed-in network. The first radiation group comprises a plurality of first radiation units. The second radiation group comprises a plurality of second radiation units. The first feed-in network which is located between the first radiation group and the second radiation group comprises at least one first feed-in point, at least two connection points and a plurality of conducting circuits. The difference between the length of a conducting circuit between one connection point and the adjacent second radiation unit and the length of a conducting circuit between the connection point and the adjacent first radiation unit is similar or equal to a half of the resonant wavelength of the array antenna. The volume of the array antenna is thus reduced. Furthermore, the first radiation group and the second radiation group are made to have a consistent polarization direction. The gain of the array antenna is thus enhanced.
Description
Technical field
The utility model, relevant for a kind of array antenna, is conducive to dwindle the volume of array antenna, and makes the first radiation group consistent with the polarised direction of the second radiation group.
Background technology
Along with the progress of wireless communication technique, radio communication product has been widely used in daily life, and antenna element is one of most important part of radio communication product.Antenna element can take quite large space of radio communication product conventionally, and the volume that the size of how to dwindle antenna product is reduced electronic installation is a very important problem.
Compared to general antenna, microstrip antenna has planar structure, can produce in a large number and conveniently be incorporated into the advantages such as active member or circuit board, thereby by a large amount of various portable electronic products that are applied in, for example mobile phone, intelligent mobile phone, panel computer, notebook computer, global position system GPS (GlobalPositioning System) or radio frequency identification (RFID).In addition in order further to improve the gain of microstrip antenna, to increase the transmission range of wireless signal, tend to further make microstrip antenna to comprise a plurality of radiating elements of arranging with matrix-style, and form an array antenna.
Referring to Fig. 1, is the organigram of habitual array antenna.As shown in the figure, habitual array antenna 10 comprises a ground plate 11, a plurality of radiating element 13 and at least one feed-in networking 15, wherein radiating element 13 is arranged on ground plate 11 tops, maintain a spacing with ground plate 11, and be not electrically connected with ground plate 11, ground plate 11 with the grounding connection of the radio circuit of radio communication product.
Feed-in networking 15 arranges a load point 151, and array antenna 10 can connect the signal line of radio frequency module by load point 151, make radio communication product can carry out by array antenna 10 reception or the transmitting of wireless signal.Execution mode as shown in Figure 1, array antenna 10 comprises two the first radiating elements 131, two the second radiating element 133, two the 3rd radiating elements 135 and two the 4th radiating elements 137, wherein the first transit point 152 connects load point 151, the first radiating element 131 and the 3rd radiating element 135, the second transit points 153 by conducting wire 155 and by conducting wire 155, connects load point 151, the second radiating element 133 and the 4th radiating element 137.
Array antenna 10 is mainly in order to the wireless signal receiving or emission wavelength is λ, and the spacing of the center line of adjacent the first radiating element 131 of array antenna 10 and the 3rd radiating element 135 equals wavelength X, and the spacing of the center line of adjacent the second radiating element 133 of array antenna 10 and the 4th radiating element 137 also equals wavelength X.
Utility model content
An object of the present utility model, be to provide a kind of array antenna, mainly between the first radiation group and the second radiation group, one first feed-in networking is set, wherein the first feed-in networking comprises at least one the first load point, at least two tie points and a plurality of the first conducting wire.Tie point connects the first load point, the first radiating element and the second radiating element by the first conducting wire, wherein the length of the first conducting wire between tie point and the second radiating element deducts length poor of the first conducting wire between tie point and the first radiating element, approximate or be equal to half of resonant wavelength of array antenna.By the use of above-mentioned array antenna, can dwindle the distance between the first radiation group and the second radiation group, and make the first radiation group consistent with the polarised direction of the second radiation group, the gain that is also conducive to improve array antenna simultaneously.
An object of the present utility model, be to provide a kind of array antenna, main in the arranged outside one first feed-in networking of the first radiation group and the second radiation group, wherein the first radiation group comprises at least one the first radiating element and at least one the 3rd radiating element, and the 3rd radiating element is positioned at the outside of the first radiating element, the second radiation group comprises at least one the second radiating element and at least one the 4th radiating element, and the 4th radiating element is positioned at the outside of the second radiating element.The one end at the first feed-in networking connects the first radiating element and the 3rd radiating element by the first transit point, and the other end at the first feed-in networking connects the second radiating element and the 4th radiating element by the second transit point.Conducting wire length between the first transit point of the present utility model and the first radiating element is less than the conducting wire length between the first transit point and the 3rd radiating element, conducting wire length between the second transit point and the second radiating element is less than the conducting wire length between the second transit point and the 4th radiating element, with this, can, when dwindling the distance of radiating element of array antenna, still can maintain the gain of array antenna.
For achieving the above object, the utility model provides a kind of array antenna, after the signal line and grounding connection of radio circuit, can, in order to receive and transmitting wireless radiofrequency signal, comprise: one with the ground plate of the grounding connection of radio circuit, one radiation colony, is positioned between the top ，Qie Gai radiation colony of this ground plate and this ground plate and has a spacing, and wherein this radiation colony comprises: one first radiation group, comprises a plurality of the first radiating elements, one second radiation group, comprises a plurality of the second radiating elements, at least one the first feed-in networking is between this first radiation group and this second radiation group, and this first feed-in networking comprises at least one the first load point being connected with the signal line of radio circuit, at least two tie points and a plurality of the first conducting wire, wherein this tie point connects this first load point by this first conducting wire, this first radiating element and this second radiating element, wherein to deduct the difference of length of this first conducting wire between this tie point and this first radiating element approximate or be equal to half of resonant wavelength of this array antenna for the length of this first conducting wire between this tie point and this second radiating element, the length of this first conducting wire between this first load point and this at least two tie point is approximate or equate.
In addition the utility model also provides another kind of array antenna, after the signal line and grounding connection of radio circuit, can, in order to receive and transmitting wireless radiofrequency signal, comprise: one with the ground plate of the grounding connection of radio circuit; One radiation colony; be positioned at the top of ground plate; between Qie Gai radiation colony and this ground plate, there is a spacing; wherein this radiation colony comprises: at least one the first radiation group; comprise a plurality of the first radiating elements and a plurality of the 3rd radiating element, the distance of the center line of the center line of this first radiating element and adjacent the 3rd radiating element is one first spacing; At least one the second radiation group; comprise a plurality of the second radiating elements and a plurality of the 4th radiating element; the distance of the center line of the center line of this second radiating element and adjacent the 4th radiating element is one second spacing; wherein the 3rd radiating element and this second radiation group lay respectively at the both sides of this first radiating element, and the 4th radiating element and this first radiation group lay respectively at the both sides of this second radiating element; One first feed-in networking, is positioned at the outside of this radiation colony, and comprises; A plurality of the first conducting wires; At least one the first load point being connected with the signal line of radio circuit; be positioned at the outside of this radiation colony; and connecting this first radiation group and this second radiation group by this first conducting wire, the length that wherein connects this first conducting wire of this first radiation group and this first load point is similar to or equates with the length that is connected this first conducting wire of this second radiation group and this first load point; One first transit point; be positioned at the side of this first radiation group; and this first transit point connects this first load point, this first radiating element and the 3rd radiating element with this first conducting wire respectively, the resonant wavelength that wherein to connect difference that this first transit point and the length of this first conducting wire of the 3rd radiating element deducts the length of this first conducting wire that is connected this first transit point and this first radiating element be this array antenna deducts 0.7 to 1.3 times of difference of this first spacing; One second transit point, be positioned at the side of this second radiation group, and this second transit point connects this first load point, this second radiating element and the 4th radiating element with this first conducting wire respectively, wherein connect 0.7 to 1.3 times of difference that resonant wavelength that difference that this second transit point and the length of this first conducting wire of the 4th radiating element deducts the length of this first conducting wire that is connected this second transit point and this second radiating element is about this array antenna deducts this second spacing.
In the utility model array antenna one embodiment, comprise that at least one the second feed-in networking is positioned at the outside of this radiation colony, this the second feed-in networking comprises at least one the second load point being connected with the signal line of radio circuit and a plurality of the second conducting wire, this second load point connects this first radiation group and this second radiation group by this second conducting wire, and this second load point to connect respectively the length of this second conducting wire of this first radiation group and this second radiation group approximate or equate.
In the utility model array antenna one embodiment, this array antenna comprises a plurality of support units, and this support unit maintains the spacing between this radiation colony and this ground plate.
In the utility model array antenna one embodiment, wherein this support unit is conductive material, and the contact point of this support unit and this radiating element is positioned at that to take the central point of radiating element be the center of circle, in the round region that 1/16 resonant wavelength of take is radius.
In the utility model array antenna one embodiment, this array antenna comprises that at least one the second feed-in networking is between this first radiation group and this second radiation group, this the second feed-in networking comprises at least one the second load point, a plurality of the second conducting wires and at least two tie points, this tie point connects this second load point by this second conducting wire respectively, this first radiating element and this second radiating element, wherein to deduct the difference of length of this second conducting wire between this tie point and this first radiating element approximate or be equal to half of this array antenna resonant wavelength for the length of this second conducting wire between this tie point and this second radiating element, and the length of this second conducting wire between this second load point and this at least two tie point is approximate or equate.
The utility model has the advantage of:
Both the distance of the radiating element of array antenna can be dwindled, the gain of array antenna can be maintained again.
Accompanying drawing explanation
Fig. 1 is the organigram of habitual array antenna;
Fig. 2 is the organigram of the utility model array antenna one embodiment;
Fig. 3 is the schematic perspective view of the utility model array antenna one embodiment;
Fig. 4 is the schematic perspective view of the another embodiment of the utility model array antenna;
Fig. 5 is the organigram of the another embodiment of the utility model array antenna;
Fig. 6 is the organigram of the another embodiment of the utility model array antenna;
Fig. 7 is the organigram of the another embodiment of the utility model array antenna;
Fig. 8 is the organigram of the another embodiment of the utility model array antenna;
Fig. 9 is the organigram of the another embodiment of the utility model array antenna; And
Figure 10 is the organigram of the another embodiment of the utility model array antenna.
Although mode has been described in the drawings embodiment of the present utility model by way of example, and is described in detail it in this article, the utility model has also allowed various modifications and replacement form.Accompanying drawing content of the present utility model can be inequality proportion, accompanying drawing and detailed description thereof are only the exposure of specific pattern, it is not restriction of the present utility model, contrary, in the spirit and scope according to the scope of the claims, modify, impartial member and displacement thereof be all the scope that the utility model is contained.
Embodiment
Refer to Fig. 2 and Fig. 3, be respectively organigram and the schematic perspective view of the utility model array antenna one embodiment.As shown in the figure, the resonant wavelength of array antenna 20 described in the utility model is λ, can with signal line and the grounding connection of radio circuit, and in order to receive and transmitting wireless radiofrequency signal, array antenna 20 mainly comprise one with the ground plate 21 of the grounding connection of radio circuit, one radiation colony 23 and one first feed-in networking 25, wherein radiation colony 23 comprises one first radiation group 231 and one second radiation group 233, this the first feed-in networking 25 comprises first load point 251 being connected with the signal line of radio circuit, at least two tie points 253 and a plurality of the first conducting wire 255.
In the utility model one embodiment, the first radiation group 231 comprises a plurality of the first radiating elements 2311, the second radiation group 233 comprises a plurality of the second radiating elements 2331, wherein the first radiating element 2311 and the second radiating element 2331 are arranged on ground plate 21 in the mode of matrix, for example two the first radiating elements 2311 are positioned at left side, and two the second radiating elements 2331 are positioned at right side.
In different embodiment, support unit 24 can be made by conductive material, wherein support unit 24 is positioned at the contact point of radiating element 2311/2331, and the central point of radiating element 2311/2331 of take is the center of circle, and 1/16 resonance wave of take is grown in the round region of radius.In different embodiment, array antenna 200 can comprise an insulation board 240, and wherein a surface of insulation board 240 arranges ground plate 21, and another surface of insulation board 240 arranges radiation colony 23 and/or the first feed-in networking 25, as shown in Figure 4.Insulation board 240 can be the substrate of printed circuit board (PCB), and wherein ground plate 21 is arranged on another surperficial printed circuit of printed circuit board (PCB) for being arranged on printed circuit ，Er radiation colony 23 and 25, the first feed-in networking on printed circuit board (PCB) one surface.
The quantity of the first radiating element 2311 of the first radiation group 231 is identical with the quantity of the second radiating element 2331 of the second radiation group 233, and the first radiation group 231 and the second radiation group 233 arrange in symmetrical mode.The first feed-in networking 25, between the first radiation group 231 and the second radiation group 233, and is electrically connected the first radiation group 231 and the second radiation group 233.
The first feed-in networking 25 is between the first radiation group 231 and the second radiation group 233, and the first feed-in networking 25 comprises at least one the first load point 251, at least two tie points 253 and a plurality of the first conducting wires 255, wherein tie point 253 connects the first load point 251, the first radiating element 2311 and the second radiating elements 2331 by the first conducting wire 255.In the utility model one embodiment, the quantity of the first radiating element 2311 and the second radiating element 2331 be two or two doubly several, and the quantity of tie point 253 also can be two, wherein two tie points 253 connect the first load points 251, different the first radiating element 2311 and different the second radiating element 2331 by the first conducting wire 255 respectively.The length of the first conducting wire 255 between the first load point 251 and two tie points 253 is approximate or equate.In the utility model one embodiment, the resonant wavelength of array antenna 20 is λ, mainly be applicable to receive or the wireless signal of the frequency band that wireless signal that emission wavelength is λ or centre wavelength are λ, the difference that wherein length of the first conducting wire 255 between a tie point 253 and close the second radiating element 2331 deducts the length of the first conducting wire 255 between this tie point 253 and close the first radiating element 2311 is similar to or is equal to half of resonant wavelength λ of array antenna 20.
By making the length difference of the first conducting wire 255 between tie point 253 and the first radiating element 2311 and the second radiating element 2331 approximate or equate to be 1/2nd resonance wavelength X, can dwindle the distance between the first radiation group 231 and the second radiation group 233, and make to be sent to by the first load point 251 signal of the first radiating element 2311, and the signal that is sent to the second radiating element 2331 via the first conducting wire 255 of different length by the first load point 251 has close polarised direction and phase place, and be conducive to improve array antenna 20 in the gain of carrying out wireless signal reception or transmitting.
The first conducting wire 255 when practical application between tie point 253 and the second radiating element 2331 can be the meander wire of random geometry, for example curve of square curve, dihedral curve, radius curve, arc curve or other geometries.
Array antenna described in above-mentioned Fig. 2, Fig. 3 and Fig. 4 only arranges single feed-in networking (the first feed-in networking 25), and is single polarization array antenna.Yet when practical application, array antenna 201 can comprise one first feed-in networking 25 and one second feed-in networking 27 simultaneously, as shown in Figure 5.
The first feed-in networking 25 is between the first radiation group 231 and the second radiation group 233, and the second feed-in networking 27 is positioned at the outside of radiation colony 23 (as the first radiation group 231 and the second radiation group 233).The second feed-in networking 27 comprises at least one the second load point 271 being connected with the signal line of radio circuit and a plurality of the second conducting wire 275, wherein the second load point 271 connects the first radiation colony 231 and the second radiation colonies 233 by the second conducting wire 275, and the second load point 271 to connect respectively the length of the second conducting wire 275 of the first radiation group 231 and the second radiation group 233 approximate or equate.The polarised direction of the less radio-frequency signal producing via the first feed-in networking 25 is in addition to take directions X as main, and the polarised direction of the less radio-frequency signal producing via the second feed-in networking 27 is to take Y-direction as main, two kinds of signals are orthogonal, array antenna 201 become have the array antenna 201 of dual polarization characteristic.
Referring to Fig. 6, is the organigram of the another embodiment of the utility model array antenna.As shown in the figure, array antenna 30 described in the utility model mainly comprises ground plate 31 ,Yi radiation colonies 33, one first feed-in networking 35 and one second feed-in networking 37, wherein radiation colony 33 comprises one first radiation group 331 and one second radiation group 333, the first 35, feed-in networking comprises that one first load point 351, at least two tie points 353 and 355, the second feed-in networkings 37, a plurality of the first conducting wire comprise one second load point 371 and a plurality of the second conducting wire 375.
In the utility model one embodiment, the first radiation group 331 comprises four the first radiating elements 3311, the second radiation group 333 comprises four the second radiating elements 3331, and the first radiation group 331 and the second radiation group 333 arrange in symmetrical mode, make a plurality of the first radiating elements 3311 and a plurality of the second radiating element 3331 be arranged in matrix.
The first feed-in networking 35 is between the first radiation group 331 and the second radiation group 333, wherein the tie point 353 at the first feed-in networking 35 connects the first load point 351 by the first conducting wire 355, the first radiating element 3311 and the second radiating element 3331, wherein to deduct the difference of length of the first conducting wire 355 between tie point 353 and the first radiating element 3311 approximate or be equal to half of resonant wavelength λ of array antenna 30 for the length of the first conducting wire 355 between tie point 353 and the second radiating element 3331, the first load point 351 is similar to or equates with the first conducting wire 355 length between at least two tie points 353.
The second feed-in networking 37 is positioned at the outside (as side) of radiation colony 33 (as the first radiation group 331 and the second radiation group 333), wherein the second load point 371 connects the first radiation colony 331 and the second radiation colonies 333 by the second conducting wire 375, and the second load point 371 to connect respectively the length of the second conducting wire 375 of the first radiation group 331 and the second radiation group 333 approximate or equate.
By making the length difference of the first conducting wire 355 between tie point 353 and the first radiating element 3311 and the second radiating element 3331 approximate or equate to be 1/2nd resonance wavelength X, can dwindle the distance between the first radiation group 331 and the second radiation group 333, and make to be sent to by the first load point 351 signal of the first radiating element 3311, and the signal that is sent to the second radiating element 3331 via the first conducting wire 355 of different length by the first load point 351 has close polarised direction and phase place, and be conducive to improve array antenna 30 in the gain of carrying out wireless signal reception or transmitting.
The polarised direction of the wireless radiofrequency signal producing via the first feed-in networking 35 in addition be take directions X as main, and the polarised direction of the wireless radiofrequency signal producing via the second feed-in networking 37 be take Y-direction as main, two kinds of signals are orthogonal, array antenna 30 become have the array antenna 30 of dual polarization characteristic.
In the utility model above-described embodiment, mainly using the array antenna 30 of 2 * 2 array antenna 20/200/201 and 2 * 4 as the embodiment of explanation, as shown in Figures 2 to 6.Yet when practical application, array antenna also can be 2 * 6, the array antenna of 4 * 4... or 2n * 2m (n, m are positive integer).
At the first radiating element 3311 described in the utility model embodiment and the second radiating element 3331, can be square, circular, polygon or other geometries, in addition 355 of the first conducting wires between tie point 353 and the second radiating element 3331 can be the curve of square curve, dihedral curve, radius curve, arc curve or other geometries, as shown in FIG. 6 and 7.
Referring to Fig. 8, is the organigram of the another embodiment of the utility model array antenna.Array antenna 40 described in the utility model mainly comprises ground plate 41 ,Yi radiation colonies 43 and an one first feed-in networking 45, and wherein radiation colony 43 comprises one first radiation group 431 and one second radiation group 433.
The first radiation group 431 comprises a plurality of the first radiating elements 4311 and a plurality of the 3rd radiating element 4313, the second 433 of radiation groups comprise a plurality of the second radiating elements 4331 and a plurality of the 4th radiating element 4333, and wherein the first radiating element 4311, the 3rd radiating element 4313, the second radiating element 4331 and the 4th radiating element 4333 are arranged in the mode of matrix.
The distance of the center line of the center line of the first radiating element 4311 and adjacent the 3rd radiating element 4313 is one first spacing L1, and the distance of the center line of the center line of the second radiating element 4331 and adjacent the 4th radiating element 4333 is one second spacing L2.
In the utility model one embodiment, the 3rd radiating element 4313 and the second radiation group 433 lay respectively at the both sides of the first radiating element 4311, and the 4th radiating element 4333 and the first radiation group 431 lay respectively at the both sides of the second radiating element 4331.
The first feed-in networking 45 is positioned at the outside of radiation colony 43 (as the first radiation group 431 and the second radiation group 433), and comprises at least one the first load point 451, one first transit point 452, one second transit point 453 and a plurality of the first conducting wire 455.First load point 451 at the first feed-in networking 45 is positioned at the outside of radiation colony 43, and connecting the first radiation group 431 and the second radiation group 433 by the first conducting wire 455, the length that wherein connects the first conducting wire 455 of the first radiation group 431 and the first load point 451 is similar to or equates with the length that is connected the first conducting wire 455 of the second radiation group 433 and the first load point 451.
In the utility model one embodiment, the first transit point 452 is positioned at the side of the first radiation group 431, and the first transit point 452 connects the first load point 451, the first radiating element 4311 and the 3rd radiating elements 4313 with the first conducting wire 455 respectively, wherein connect the length that the first transit point 452 and the length of the first conducting wire 455 of the first radiating element 4311 are less than the first conducting wire 455 that is connected the first transit point 452 and the 3rd radiating element 4313.
In addition the second transit point 453 is positioned at the side of the second radiation group 433, and the second transit point 453 connects the first load point 451, the second radiating element 4331 and the 4th radiating elements 4333 with the first conducting wire 455 respectively, wherein connect the length that the second transit point 453 and the length of the first conducting wire 455 of the second radiating element 4331 are less than the first conducting wire 455 that is connected the second transit point 453 and the 4th radiating element 4333.
Shown in Fig. 1, habitual array antenna 10 is mainly in order to the wireless signal receiving or emission wavelength is λ, for example the resonant wavelength of array antenna 10 is λ, and the spacing of the center line of adjacent the first radiating element 131 of array antenna 10 and the 3rd radiating element 135 equals wavelength X, and the spacing of the center line of adjacent the second radiating element 133 of array antenna 10 and the 4th radiating element 137 also equals wavelength X.In addition in habitual array antenna 10, connect the length that the first transit point 152 and the length of the conducting wire 155 of the first radiating element 131 can equal to be connected the conducting wire 155 of the first transit point 152 and the 3rd radiating element 135, and connect the length that the second transit point 153 and the length of the conducting wire 155 of the second radiating element 133 can equal to be connected the conducting wire 155 of the second transit point 153 and the 4th radiating element 137.
Compared to habitual array antenna 10, the wireless signal that array antenna 40 described in the utility model embodiment is λ in order to transmitting or reception wavelength equally, for example the resonant wavelength of array antenna 40 is λ, but further dwindle the spacing of the first radiating element 4311 and the 3rd radiating element 4313, and the spacing of dwindling the second radiating element 4331 and the 4th radiating element 4333, for example, compared to habitual array antenna 10, the 3rd radiating element 4313 of the array antenna 40 of the utility model embodiment towards the first radiating element 4311 displacements apart from S1 and the 4th radiating element 4333 also towards the second radiating element 4331 displacements apart from S2, with this, the volume of array antenna 40 will be conducive to dwindle.
Due to the 3rd radiating element 4313 towards the first radiating element 4311 displacements apart from S1, make the distance first spacing L1 of the center line of the first adjacent radiating element 4311 and the 3rd radiating element 4313 be less than resonant wavelength λ.In addition the 4th radiating element 4333 also towards the second radiating element 4331 displacements apart from S2, make the distance second spacing L2 of the center line of the second adjacent radiating element 4331 and the 4th radiating element 4333 be less than resonant wavelength λ.
In the utility model one embodiment, the first transit point 452 is positioned at the side of the first radiation group 431, and the first transit point 452 connects the first load point 451, the first radiating element 4311 and the 3rd radiating elements 4313 with the first conducting wire 455 respectively, wherein connect the length that the first transit point 452 and the length of the first conducting wire 455 of the 3rd radiating element 4313 are greater than the first conducting wire 455 that is connected the first transit point 452 and the first radiating element 4311.
In addition the second transit point 453 is positioned at the side of the second radiation group 433, and the second transit point 453 connects the first load point 451, the second radiating element 4331 and the 4th radiating elements 4333 with the first conducting wire 455 respectively, wherein connect the length that the second transit point 453 and the length of the first conducting wire 455 of the 4th radiating element 4333 are greater than the first conducting wire 455 that is connected the second transit point 453 and the second radiating element 4331.
In the utility model embodiment, the main link position that connects respectively the first transit point 452 of the first load point 451, the first radiating element 4311 and the 3rd radiating element 4313 with the first conducting wire 455 of adjusting, and adjustment connects the link position of the second transit point 453 of the first load point 451, the second radiating element 4331 and the 4th radiating elements 4333 with the first conducting wire 455, make when dwindling the volume of array antenna 40, still can make array antenna 40 keep high-gain.
In the utility model one preferred embodiment, connect the length that the first transit point 452 and the length of the first conducting wire 455 of the 3rd radiating element 4313 deduct the first conducting wire 455 that is connected the first transit point 452 and the first radiating element 4311, can be greater than 0.7 times of distance S1 of the 3rd radiating element 4313 displacements, and be less than 1.3 times of distance S1 of the 3rd radiating element 4313 displacements, be 0.7S1 < (connecting the length that the first transit point 452 and the length of the first conducting wire 455 of the 3rd radiating element 4313 deduct the first conducting wire 455 that is connected the first transit point 452 and the first radiating element 4311) < 1.3S1.
In addition connect the length that the second transit point 453 and the length of the first conducting wire 455 of the 4th radiating element 4333 deduct the first conducting wire 455 that is connected the second transit point 453 and the second radiating element 4331, can be greater than 0.7 times of distance S2 of the 4th radiating element 4333 displacements, and be less than 1.3 times of distance S2 of the 4th radiating element 4333 displacements, be 0.7S2 < (connecting the length that the second transit point 453 and the length of the first conducting wire 455 of the 4th radiating element 4333 deduct the first conducting wire 455 that is connected the second transit point 453 and the second radiating element 4331) < 1.3S2.
In the utility model embodiment, the distance of the first adjacent radiating element 4311 and the center line of the 3rd radiating element 4313 is the first spacing L1, and the distance of the center line of the first habitual adjacent radiating element 131 and the 3rd radiating element 135 equals resonant wavelength λ, make the distance S1 of the 3rd radiating element 4313 displacements equal resonant wavelength λ and deduct the first spacing L1, be i.e. S1=(λ-L1).In other words, the resonant wavelength λ that connects difference that the first transit point 452 and the length of the first conducting wire 455 of the 3rd radiating element 4313 deducts the length of the first conducting wire 455 that is connected the first transit point 452 and the first radiating element 4311 and be array antenna 40 deducts 0.7 to 1.3 times of the first spacing L1, i.e. (λ-L1) * 0.7 < (connecting the length that the first transit point 452 and the length of the first conducting wire 455 of the 3rd radiating element 4313 deduct the first conducting wire 455 that is connected the first transit point 452 and the first radiating element 4311) < (λ-L1) * 1.3.
In addition the distance of the center line of the 3rd radiating element 451 and the 4th radiating element 453 is the second spacing L2, and the distance of the center line of the 3rd habitual adjacent radiating element 135 and the 4th radiating element 137 equals resonant wavelength λ, make the distance S2 of the 3rd radiating element 451 displacements equal resonant wavelength λ and deduct the second spacing L2, be i.e. S2=(λ-L2).In other words, connect to connect resonant wavelength λ that difference that the second transit point 453 and the length of the first conducting wire 455 of the 4th radiating element 4333 deducts the length of the first conducting wire 455 that is connected the second transit point 453 and the second radiating element 4331 is about array antenna 40 and deduct 0.7 to 1.3 times of the second spacing L2, be i.e. (λ-L2) * 0.7 < (connecting the length that the second transit point 453 and the length of the first conducting wire 455 of the 4th radiating element 4333 deduct the first conducting wire 455 that is connected the second transit point 453 and the second radiating element 4331) < (λ-L2) * 1.3.In the utility model one embodiment, the first spacing L1 can equate with the second spacing L2 conventionally.
Array antenna 40 described in the utility model embodiment is single polarization array antenna, in another embodiment of the utility model, refer to shown in Fig. 9, array antenna 400 can arrange the first feed-in networking 45 and the second feed-in networking 47 simultaneously, wherein the first feed-in networking 45 is arranged on the outside of radiation colony 43 (as the first radiation group 431 and the second radiation group 433), and the second feed-in networking 47 is between the first radiation group 431 and the second radiation group 433, wherein the second feed-in networking 47 comprises at least one the second load point 471, plural conductive line 475 and at least two tie points 473.Two tie points 473 connect the second load point 471 by the second conducting wire 475 respectively, the first radiating element 4311 and the second radiating element 4331, wherein to deduct the difference of the second conducting wire 475 length between tie point 473 and the first radiating element 4311 approximate or be equal to half of array antenna 400 resonant wavelength λ for the second conducting wire 475 length between tie point 473 and the second radiating element 4331, and the length of the second conducting wire 475 between the second load point 471 and two tie points 473 is approximate or equate, array antenna 400 is become have the array antenna 400 of dual polarization characteristic.
Certainly in different embodiment, refer to the array antenna 401 shown in Figure 10, the second feed-in networking 47 can be positioned at the outside of radiation colony 43, the second feed-in networking 47 comprises that at least one the second load point 471 and a plurality of the second conducting wire 475, the second load points 471 connect the 3rd radiating element 4313 or the 4th radiating element 4333 by the second conducting wire 475.
When practical application, array antenna 400 comprises at least one the first connection line 481 and at least one the second connection line 483, the meander wire that wherein the first connection line 481 and the second connection line 483 are arbitrary shape.The first connection line 481 connects adjacent the first radiating element 4311 and the 3rd radiating element 4313, the second connection lines 483 and connects the second adjacent radiating element 4331 and the 4th radiating element 4333.The setting of the geometry in particular by the first connection line 481 and the second connection line 483, can make signal in the length of adjacent the first radiating element 4311 and the transmission path between the 3rd radiating element 4313, and the length of the transmission path between the second radiating element 4331 and the 4th radiating element 4333 still maintain resonant wavelength λ.
In addition the second connection networking 483 at the connection networking 481 of first between the first radiating element 4311 and the 3rd radiating element 4313 and between the second radiating element 4331 and the 4th radiating element 4333 can be the meander wire of arbitrary shape, the curve of square curve, dihedral curve, radius curve, arc curve or other geometries for example, as shown in FIG. 9 and 10.
In the connection described in the utility model, refer to direct connection or the connection indirectly between one or more objects or member, for example, can between one or more objects or member, have one or more intermediate links.
Described in the system of specification perhaps, must and the wording such as variation be not restriction of the present utility model.The technical term that specification is used, in order to carry out the description of specific embodiment, is not mainly restriction of the present utility model.Unless had clear and definite explanation in specification, the odd number measure word that specification is used (as and this) can be a plurality of.For example a mentioned device of specification can include the combination of two or more devices, and the material that specification is carried can include the mixing of many kinds of substance.
As described above, it is only preferred embodiment of the present utility model, not be used for limiting the scope that the utility model is implemented, be that all equalizations of doing according to the shape described in the utility model claim, structure, feature and spirit change and modify, all should be included within the scope of claim of the present utility model.
Claims (7)
1. an array antenna, is characterized in that, comprising:
One ground plate;
One radiation colony, is positioned between the top ，Qie Gai radiation colony of this ground plate and this ground plate and has a spacing, and wherein this radiation colony comprises:
One first radiation group, comprises a plurality of the first radiating elements;
One second radiation group, comprises a plurality of the second radiating elements;
At least one the first feed-in networking is between this first radiation group and this second radiation group, and this first feed-in networking comprises at least one the first load point, at least two tie points and a plurality of the first conducting wire, wherein this tie point connects this first load point by this first conducting wire, this first radiating element and this second radiating element, wherein to deduct the difference of length of this first conducting wire between this tie point and this first radiating element approximate or be equal to half of resonant wavelength of this array antenna for the length of this first conducting wire between this tie point and this second radiating element, the length of this first conducting wire between this first load point and this at least two tie point is approximate or equate.
2. array antenna as claimed in claim 1, it is characterized in that, comprise that at least one the second feed-in networking is positioned at the outside of this radiation colony, this the second feed-in networking comprises at least one the second load point and a plurality of the second conducting wire, this second load point connects this first radiation group and this second radiation group by this second conducting wire, and this second load point to connect respectively the length of this second conducting wire of this first radiation group and this second radiation group approximate or equate.
3. array antenna as claimed in claim 1, is characterized in that, this array antenna comprises a plurality of support units, and this support unit maintains the spacing between this radiation colony and this ground plate.
4. array antenna as claimed in claim 3, is characterized in that, this support unit is conductive material, and the contact point of this support unit and this radiating element is positioned at that to take the central point of radiating element be the center of circle, in the round region that 1/16 resonant wavelength of take is radius.
5. an array antenna, is characterized in that, comprising:
One ground plate;
One radiation colony, is positioned between the top ，Qie Gai radiation colony of ground plate and this ground plate and has a spacing, and wherein this radiation colony comprises:
At least one the first radiation group, comprises a plurality of the first radiating elements and a plurality of the 3rd radiating element, and the distance of the center line of the center line of this first radiating element and adjacent the 3rd radiating element is one first spacing;
At least one the second radiation group; comprise a plurality of the second radiating elements and a plurality of the 4th radiating element; the distance of the center line of the center line of this second radiating element and adjacent the 4th radiating element is one second spacing; wherein the 3rd radiating element and this second radiation group lay respectively at the both sides of this first radiating element, and the 4th radiating element and this first radiation group lay respectively at the both sides of this second radiating element;
One first feed-in networking, is positioned at the outside of this radiation colony, and comprises;
A plurality of the first conducting wires;
At least one the first load point; be positioned at the outside of this radiation colony; and connecting this first radiation group and this second radiation group by this first conducting wire, the length that wherein connects this first conducting wire of this first radiation group and this first load point is similar to or equates with the length that is connected this first conducting wire of this second radiation group and this first load point;
One first transit point; be positioned at the side of this first radiation group; and this first transit point connects this first load point, this first radiating element and the 3rd radiating element with this first conducting wire respectively, the resonant wavelength that wherein to connect difference that this first transit point and the length of this first conducting wire of the 3rd radiating element deducts the length of this first conducting wire that is connected this first transit point and this first radiating element be this array antenna deducts 0.7 to 1.3 times of difference of this first spacing;
One second transit point, be positioned at the side of this second radiation group, and this second transit point connects this first load point, this second radiating element and the 4th radiating element with this first conducting wire respectively, wherein connect 0.7 to 1.3 times of difference that resonant wavelength that difference that this second transit point and the length of this first conducting wire of the 4th radiating element deducts the length of this first conducting wire that is connected this second transit point and this second radiating element is about this array antenna deducts this second spacing.
6. array antenna as claimed in claim 5, it is characterized in that, this array antenna comprises that at least one the second feed-in networking is positioned at the outside of this radiation colony, this the second feed-in networking comprises at least one the second load point and a plurality of the second conducting wire, and this second load point connects the 3rd radiating element or the 4th radiating element by this second conducting wire.
7. array antenna as claimed in claim 5, it is characterized in that, this array antenna comprises that at least one the second feed-in networking is between this first radiation group and this second radiation group, this the second feed-in networking comprises at least one the second load point, a plurality of the second conducting wires and at least two tie points, this tie point connects this second load point by this second conducting wire respectively, this first radiating element and this second radiating element, wherein to deduct the difference of length of this second conducting wire between this tie point and this first radiating element approximate or be equal to half of this array antenna resonant wavelength for the length of this second conducting wire between this tie point and this second radiating element, and the length of this second conducting wire between this second load point and this at least two tie point is approximate or equate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320554347.1U CN203415691U (en) | 2013-09-06 | 2013-09-06 | Array antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320554347.1U CN203415691U (en) | 2013-09-06 | 2013-09-06 | Array antenna |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203415691U true CN203415691U (en) | 2014-01-29 |
Family
ID=49978556
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320554347.1U Expired - Fee Related CN203415691U (en) | 2013-09-06 | 2013-09-06 | Array antenna |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203415691U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108321489A (en) * | 2017-01-17 | 2018-07-24 | 中兴通讯股份有限公司 | A kind of mimo antenna and terminal |
| CN109845035A (en) * | 2016-10-14 | 2019-06-04 | 松下知识产权经营株式会社 | Antenna, wireless base station apparatus and position measuring system |
| CN110783694A (en) * | 2018-07-31 | 2020-02-11 | 铨鼎塑胶股份有限公司 | High directivity antenna |
| EP4302229A4 (en) * | 2021-03-02 | 2024-04-03 | Times-7 Research Limited | An rfid antenna and an rfid reader enclosure and system |
-
2013
- 2013-09-06 CN CN201320554347.1U patent/CN203415691U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109845035A (en) * | 2016-10-14 | 2019-06-04 | 松下知识产权经营株式会社 | Antenna, wireless base station apparatus and position measuring system |
| CN108321489A (en) * | 2017-01-17 | 2018-07-24 | 中兴通讯股份有限公司 | A kind of mimo antenna and terminal |
| CN110783694A (en) * | 2018-07-31 | 2020-02-11 | 铨鼎塑胶股份有限公司 | High directivity antenna |
| EP4302229A4 (en) * | 2021-03-02 | 2024-04-03 | Times-7 Research Limited | An rfid antenna and an rfid reader enclosure and system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| You et al. | A novel planar endfire circularly polarized antenna with wide axial-ratio beamwidth and wide impedance bandwidth | |
| CN105612660B (en) | A kind of common reflector and base station | |
| CN103477496B (en) | Comprise radio communication device and the correlation technique of side-by-side passive loop antenna | |
| CN106356619B (en) | A kind of wide band high-gain WiFi omnidirectional antenna | |
| US20120146872A1 (en) | Antenna radiating element | |
| CN102379066B (en) | Wide band array antenna | |
| CN107819198A (en) | A kind of feeding network of antenna for base station, antenna for base station and base station | |
| CN110380234A (en) | Mostly band end-on-fire antenna and array | |
| CN108565543B (en) | MIMO antenna structure and handheld device with same | |
| CN202759017U (en) | Multi-frequency parasitic coupling antenna and radio communication apparatus possessing coupling antenna | |
| CN203415691U (en) | Array antenna | |
| KR20080039178A (en) | Tag antenna mountable on metallic objects using artificial magnetic conductor(amc) for wireless identification and wireless identification system using the same tag antenna | |
| US10535926B2 (en) | Antenna and antenna module comprising the same | |
| CN102170044B (en) | Horizontal polarization omnidirectional antenna based on composite right-left hand transmission line | |
| CN104604028A (en) | Antenna | |
| Ikram et al. | A switched‐beam millimeter‐wave array with MIMO configuration for 5G applications | |
| CN102110904A (en) | Antenna and antenna arranging method | |
| CN104798256A (en) | Antenna | |
| Srivastava et al. | Design and packaging of ultra‐wideband multiple‐input‐multiple‐output/diversity antenna for wireless applications | |
| CN205122754U (en) | Four miniaturized unit dual -frenquency MIMO antennas | |
| CN104134861A (en) | Multi-input multi-output antenna system, approximately-omnidirectional antenna device and high-gain miniature antenna thereof | |
| Sabran et al. | A single band dual-fed circular polarization microstrip antenna for RFID application | |
| CN104753554A (en) | Radio-frequency device and wireless communication device | |
| CN203774454U (en) | Circularly polarized antenna | |
| CN103337714A (en) | Dielectric resonant antenna array based on electromagnetic band-gap material |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140129 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |