CN209804905U - dual-polarized antenna - Google Patents
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- CN209804905U CN209804905U CN201920849539.2U CN201920849539U CN209804905U CN 209804905 U CN209804905 U CN 209804905U CN 201920849539 U CN201920849539 U CN 201920849539U CN 209804905 U CN209804905 U CN 209804905U
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Abstract
The embodiment of the utility model discloses dual polarized antenna. Wherein, dual polarized antenna includes: a horizontal radiation unit and a vertical radiation unit; the horizontal radiation unit comprises a power divider and a Vivaldi vibrator array; the Vivaldi vibrator array comprises a plurality of Vivaldi vibrator units which are uniformly distributed along the circumferential direction; the power divider comprises a plurality of output ports which are in one-to-one correspondence with the Vivaldi oscillator units, and the output ports of the power divider are in one-to-one correspondence coupling connection with the Vivaldi oscillator units; the vertical radiating unit is arranged on one side of the horizontal radiating unit and comprises a vertical polarization oscillator which is used for being combined with the Vivaldi oscillator array to realize dual polarization of the antenna. The embodiment of the utility model provides a dual polarized antenna can realize covering the bandwidth and narrower, the better miniaturized antenna of omnidirectional ability.
Description
Technical Field
The embodiment of the utility model provides a relate to antenna technical field, especially relate to a dual polarized antenna.
Background
With the arrival of the fifth-Generation mobile communication technology (5th-Generation, 5G) era, data requests are getting larger, the bandwidth of a communication system in the 3G/4G (third/fourth-Generation mobile communication) era cannot meet future communication requirements, the system needs a higher bandwidth, and accordingly, the bandwidth of various antennas also needs to be widened, the Wireless Fidelity (WiFi) coverage needs to be popularized in various occasions, in order to save resources and reduce network installation difficulty, multiple operators share a network, so that the system needs a wider frequency band, and meanwhile, for the later system expansion, a network builder also wants to include the WiFi coverage in a set of network system, so that the operators urgently need an ultra-wideband antenna.
At present, the coverage bandwidth of the antenna in the market is mostly 698-. It generally has the following problems: firstly, the coverage bandwidth is narrow, and the requirement of ultra wide band cannot be met; in addition, because of the limitation of the traditional design principle, the size of the product is large, and even if the product can be made to be small, the product performance is sacrificed, and the omnidirectional characteristic of the product is poor.
SUMMERY OF THE UTILITY MODEL
the utility model provides a dual polarized antenna to realize the miniaturized antenna that the coverage bandwidth is narrower, the omnidirectional can be better.
An embodiment of the utility model provides a dual polarized antenna, include: a horizontal radiation unit and a vertical radiation unit;
the horizontal radiation unit comprises a power divider and a Vivaldi vibrator array; the Vivaldi vibrator array comprises a plurality of Vivaldi vibrator units which are uniformly distributed along the circumferential direction; the power divider comprises a plurality of output ports which are in one-to-one correspondence with the Vivaldi oscillator units, and the output ports of the power divider are in one-to-one correspondence coupling connection with the Vivaldi oscillator units;
The vertical radiating unit is arranged on one side of the horizontal radiating unit and comprises a vertical polarization oscillator which is used for being combined with the Vivaldi oscillator array to realize dual polarization of the dual-polarized antenna.
Optionally, the vertical polarization oscillator is a single cone oscillator, a shaped cone oscillator or a biconical oscillator.
Optionally, the vertical polarization oscillator is a biconical oscillator; the biconical vibrator comprises a first conical vibrator and a second conical vibrator; the top ends of the first conical vibrator and the second conical vibrator are oppositely arranged and are in insulation connection through a supporting part; the first conical oscillator is arranged close to the horizontal radiation unit, and the second conical oscillator is arranged far away from the horizontal radiation unit; and the top ends of the first conical vibrator and the second conical vibrator are respectively provided with a wiring hole.
Optionally, the vertical radiating element further comprises a first cable; the inner conductor of the first cable penetrates through the wiring holes of the first conical vibrator and the second conical vibrator to be electrically connected with the second conical vibrator; the outer conductor of the first cable is electrically connected with the first cone oscillator.
Optionally, the horizontal radiation unit further includes: a first substrate; the Vivaldi oscillator array is arranged on one side of the first substrate; the power divider is arranged on one side, far away from the Vivaldi oscillator array, of the first substrate.
optionally, the horizontal radiation unit further includes: a second substrate and a third substrate; the second substrate and the third substrate are fixedly connected; the Vivaldi oscillator array is arranged on the second substrate; the power divider is disposed on the third substrate.
Optionally, the Vivaldi oscillator array is disposed on one side of the second substrate close to the third substrate; the power divider is arranged on one side of the third substrate far away from the second substrate.
Optionally, the Vivaldi dipole unit includes: etching a resonant cavity formed by the metal layer and a radiation area communicated with the resonant cavity; the radiation area is formed by encircling an index gradual change slotline and a rectangular slotline.
optionally, a plurality of rectangular corrugated grooves are formed on the rectangular groove line of the Vivaldi dipole unit.
Optionally, the dual-polarized antenna further includes: a second cable; the inner conductor of the second cable penetrates through the Vivaldi oscillator array to be electrically connected with the power divider; the outer conductor of the second cable is electrically connected with the Vivaldi oscillator array.
The embodiment of the utility model provides a dual polarized antenna, including horizontal radiating element and vertical radiating element, horizontal radiating element includes that the merit divides ware and Vivaldi oscillator unit array, Vivaldi oscillator unit array includes a plurality of Vivaldi oscillator unit along circumferencial direction evenly distributed, the merit divides the ware to include a plurality of output ports, a plurality of output ports and Vivaldi oscillator unit one-to-one coupling connection, then the merit divides the ware to carry out coupling feed through output port and Vivaldi oscillator unit, realize horizontal polarization, Vivaldi oscillator unit has the broadband, small-size advantage, can realize that dual polarized antenna covers the bandwidth of broad under less size, the narrower problem of current dual polarized antenna coverage bandwidth has been solved, vertical radiating element includes vertical polarization oscillator, set up in one side of horizontal radiating element, then vertical polarization can realize vertical polarization, Vivaldi oscillator unit array can realize horizontal polarization, the antenna provided by the embodiment realizes dual polarization and high bandwidth antenna setting, and has high performance.
Drawings
Fig. 1 is a bottom view of a dual polarized antenna provided in an embodiment of the present invention;
Fig. 2 is a top view of a dual polarized antenna provided by an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a Vivaldi oscillator unit provided by the present invention;
Fig. 4 is a schematic structural diagram of another Vivaldi dipole unit provided by the present invention;
Fig. 5 is an exploded view of another horizontal radiating element provided by an embodiment of the present invention;
Fig. 6 is a schematic structural diagram of another horizontal radiation unit provided in the embodiment of the present invention;
Fig. 7 is a schematic structural diagram of another dual-polarized antenna provided in the embodiment of the present invention;
Fig. 8 is a schematic structural diagram of another dual polarized antenna provided in the embodiment of the present invention.
Detailed Description
the present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.
An embodiment of the utility model provides a dual polarized antenna, this dual polarized antenna includes: a horizontal radiation unit and a vertical radiation unit;
The horizontal radiation unit comprises a power divider and a Vivaldi vibrator array; the Vivaldi vibrator array comprises a plurality of Vivaldi vibrator units which are uniformly distributed along the circumferential direction; the power divider comprises a plurality of output ports which are in one-to-one correspondence with the Vivaldi oscillator units, and the output ports of the power divider are in one-to-one correspondence coupling connection with the Vivaldi oscillator units;
The vertical radiating unit is arranged on one side of the horizontal radiating unit and comprises a vertical polarization oscillator which is used for being combined with the Vivaldi oscillator array to realize dual polarization of the dual-polarized antenna.
The embodiment of the utility model provides a dual polarized antenna, including horizontal radiating element and vertical radiating element, horizontal radiating element includes that the merit divides ware and Vivaldi oscillator unit array, Vivaldi oscillator unit array includes a plurality of Vivaldi oscillator unit along circumferencial direction evenly distributed, the merit divides the ware to include a plurality of output ports, a plurality of output ports and Vivaldi oscillator unit one-to-one coupling connection, then the merit divides the ware to carry out coupling feed through output port and Vivaldi oscillator unit, realize horizontal polarization, Vivaldi oscillator unit has the broadband, small-size advantage, can realize that dual polarized antenna covers the bandwidth of broad under less size, the narrower problem of current dual polarized antenna coverage bandwidth has been solved, vertical radiating element includes vertical polarization oscillator, set up in one side of horizontal radiating element, then vertical polarization can realize vertical polarization, Vivaldi oscillator unit array can realize horizontal polarization, the antenna provided by the embodiment realizes dual polarization and high bandwidth antenna setting, and has high performance.
above is the core thought of the utility model, will combine the attached drawing in the embodiment of the utility model below, to the technical scheme in the embodiment of the utility model clearly, describe completely. Based on the embodiments in the present invention, under the premise that creative work is not done by ordinary skilled in the art, all other embodiments obtained all belong to the protection scope of the present invention.
referring to fig. 1 and fig. 2, fig. 1 is a bottom view of a dual polarized antenna provided by an embodiment of the present invention, and fig. 2 is a top view of a dual polarized antenna provided by an embodiment of the present invention, the dual polarized antenna includes a horizontal radiating element 1 and a vertical radiating element 2, and the bottom view and the top view described in this embodiment are bottom view and top view on the basis of the position where the vertical radiating element 2 is set above the horizontal radiating element 1. The horizontal radiation unit 1 for realizing horizontal polarization includes a power divider 12 and a Vivaldi oscillator array 11, referring to fig. 2, the power divider 12 includes an input port 121 and a plurality of output ports 122, the power divider 12 receives a current signal through the input port 121 and distributes the current signal to the plurality of output ports 122 through a feeder 123 for output. Optionally, the power divider 12 is an equal-power-distribution power divider, and can equally divide the circuit signal connected to the input port 121 into equal parts, the number of which is the same as that of the output ports 122, so that each output port 122 can output the same current signal. Referring to fig. 1, the Vivaldi oscillator group 11 includes a plurality of Vivaldi oscillator units corresponding to the output ports 122 one to one, and the plurality of Vivaldi oscillator units are uniformly distributed along the circumferential direction, so that the signals output from the output ports 122 can be uniformly radiated on the circumference, and the Vivaldi oscillator group has a good omnidirectional characteristic. Moreover, the Vivaldi oscillator unit has wider coverage bandwidth, and can realize a miniaturized and ultra-wideband dual-polarized antenna. For example, the ultra-wideband dual-polarized antenna provided by the embodiment can cover a bandwidth of 700-6000 MHz, can cover a mobile communication frequency band and frequency bands such as wimax, WiFi, GPS, BD, and the like, and a plurality of operators can share a network, thereby saving resources and reducing difficulty in network installation.
The vertical radiating element 2 is provided with a vertical polarization oscillator for realizing vertical polarization, the vertical radiating element 2 realizes vertical polarization, the horizontal radiating element 1 realizes horizontal polarization, the dual-polarized antenna provided by the implementation is an MIMO antenna with better omnidirectional performance, the vertical radiating element 2 and the horizontal radiating element 1 can respectively realize high-bandwidth signal transmission, the dual-polarized antenna is beneficial to functional integration, exemplarily, the horizontal radiating element 1 can be used for radiating signals outwards, and the vertical radiating element 2 can be used for receiving signals returned from the outside.
In this embodiment, the Vivaldi oscillator units are coupled to the corresponding output ports 122, and the power divider 12 and the Vivaldi oscillator array 11 are fixed by disposing an insulating layer at an interval, as shown in fig. 1, optionally, the insulating layer may be a substrate, and if the power divider 12 is located on one side of the substrate, the Vivaldi oscillator array 11 is located on the other side of the substrate, and the horizontal radiation unit 1 in this embodiment may be a flat disk-shaped structure, so that the ultra-thin horizontal radiation unit 1 is implemented, the occupied space is small, and the versatility is strong. With continuing reference to fig. 1 and fig. 2, a power divider 12 is disposed on one side of the substrate of the horizontal radiating element 1, a Vivaldi oscillator array 11 is disposed on the other side of the substrate of the horizontal radiating element 1, and a plurality of Vivaldi oscillator units 111 are arranged in a circumferential direction to form a petal-shaped structure as shown in fig. 1. The Vivaldi oscillator array 11 is formed by etching a whole layer of metal, that is, adjacent Vivaldi oscillator units 111 are connected with each other. Alternatively, the number of Vivaldi dipole elements 111 may be 8, 12 or 16. Of course, the number of Vivaldi resonator elements 111 may be an odd number such as 15 or 17, and even the number of Vivaldi resonator elements 111 may be three or more, so that the number of Vivaldi resonator elements 111 may be ensured to form a circle around the circumference, the Vivaldi resonator elements 111 may be uniformly distributed in the circumferential direction, and the larger the number of Vivaldi resonator elements 111 is, the higher the uniformity of radiation is, within the achievable number range.
Optionally, referring to fig. 3, fig. 3 is a schematic structural diagram of a Vivaldi dipole unit provided by the present invention, where the Vivaldi dipole unit 111 may include: a resonant cavity 112 formed by etching the metal layer, and a radiation region 113 communicating with the resonant cavity 112; the radiating area is surrounded by an exponentially graded slot line 114 and a rectangular slot line 116. Referring to fig. 1, it can be seen that in a direction perpendicular to the substrate, the output ports 122 are coupled to the resonant cavities 112 in a one-to-one correspondence manner, so that the output ports 122 feed the Vivaldi oscillator units 111, a feed signal resonates through the resonant cavities 112 and is amplified and radiated through the radiation region 113 to generate directional radiation, and the Vivaldi oscillator units 111 of the directional radiation surround the circumference by 360 degrees, so that the Vivaldi oscillator array 11 realizes omnidirectional radiation.
For the entire Vivaldi oscillator array 11, a hollow structure can be etched on the entire metal layer to form the resonant cavity 112 and the radiation region 113 of each Vivaldi oscillator unit 111, and the exponentially-graded slot line 114 and the rectangular slot line 116 are edges of the hollow-structure radiation region 113.
Alternatively, the resonant cavity 112 may be circular, elliptical, or rectangular. Fig. 3 shows only the structure of the resonant cavity 112 as a circle, and the resonant cavity 112 may also be an ellipse, a rectangle, or other regular or irregular shapes according to the user's needs.
Alternatively, referring to fig. 4, fig. 4 is a schematic structural diagram of another Vivaldi dipole unit provided by the present invention, wherein a plurality of rectangular corrugated grooves 115 are formed on the rectangular groove line 116 of the Vivaldi dipole unit 111. A plurality of rectangular corrugated grooves 115 may be etched on the edge of each Vivaldi dipole element 111, i.e., on the metal layer between two adjacent Vivaldi dipole elements 111. The slotting process for the rectangular slot line 116 of the Vivaldi dipole unit 111 has the following advantages: firstly, the current path can be prolonged, the generation of surface waves is inhibited, the lowest working frequency of the antenna is further reduced, and the working frequency range of the antenna is widened; second, higher harmonics can be suppressed, resulting in higher gain and narrower beams. In this embodiment, the rectangular corrugated groove 115 is etched, so that the bandwidth of the dual-polarized antenna is widened, and the performance of the dual-polarized antenna is optimized.
Alternatively, with continued reference to fig. 1 and 2, the horizontal radiating element 1 may further include: a first substrate 13; the Vivaldi oscillator array 11 is arranged on one side of the first substrate 13; the power divider 12 is disposed on a side of the first substrate 13 away from the Vivaldi oscillator array 11.
The horizontal radiating element 1 may include a substrate, i.e., a first substrate 13, as shown in fig. 2 and 3, the Vivaldi oscillator array 11 is disposed on one side of the first substrate 13; the power divider 12 is disposed on a side of the first substrate 13 away from the Vivaldi oscillator array 11, and the Vivaldi oscillator array 11 and the power divider 12 are disposed on the same substrate, so as to reduce the overall thickness of the horizontal radiating unit 1. At least one pair of positioning grooves 131 may be disposed at an edge of the first substrate 13 for fixing the position of the horizontal radiating element 1 when the horizontal radiating element 1 is installed.
Alternatively, as shown in fig. 5 and fig. 6, fig. 5 is an exploded view of another horizontal radiation unit provided in the embodiment of the present invention, and fig. 6 is a schematic structural diagram of another horizontal radiation unit provided in the embodiment of the present invention. The horizontal radiation unit may further include: a second substrate 14 and a third substrate 15; the second substrate 14 and the third substrate 15 are fixedly connected; the Vivaldi oscillator array 11 is arranged on the second substrate 14; the power divider 12 is disposed on the third substrate 15.
The horizontal radiating element 1 may also comprise two substrates: a second substrate 14 and a third substrate 15; the Vivaldi oscillator array 11 is arranged on the second substrate 14, the power divider 12 is arranged on the third substrate 15, and the Vivaldi oscillator array 11 and the power divider 12 are respectively arranged on different substrates, so that the power divider 12 and the Vivaldi oscillator array 11 can be respectively integrated and manufactured on the substrates, and finally the second substrate 14 and the third substrate 15 are fixedly assembled, and the manufacturing process is accelerated. Specifically, the second substrate 14 and the third substrate 15 may be screwed by a screw, or may be riveted by a rivet.
in addition, since the main factor affecting the broadband performance is the power divider 12, the required performance of the second substrate 14 on which the power divider 12 is located is higher, the manufacturing cost of the third substrate 15 is higher, and the performance requirement of the Vivaldi oscillator array 11 on the second substrate 14 is relatively lower, the second substrate 14 with lower cost can be adopted, so as to save the production cost of the horizontal radiation unit 1, and further, the diameter of the third substrate 15 can be set smaller than that of the second substrate 14, so as to further reduce the substrate material cost of the horizontal radiation unit 1. Alternatively, the first substrate 13, the second substrate 14, and the third substrate 15 may be PCB boards.
Alternatively, with continued reference to fig. 5 and 6, the Vivaldi oscillator array 11 is disposed on a side of the second substrate 14 close to the third substrate 15; the power divider 12 is disposed on a side of the third substrate 15 away from the second substrate 14.
the Vivaldi oscillator array 11 is arranged on one side of the second substrate 14 close to the third substrate 15, and the power divider 12 is arranged on one side of the third substrate 15 far away from the second substrate 14, so that only one third substrate 15 is arranged between the Vivaldi oscillator array 11 and the power divider 12, the coupling effect is good, and the radiation intensity of the electric signal is increased. Of course, the Vivaldi oscillator array 11 may also be disposed on a side of the second substrate 14 away from the third substrate 15, and the power divider 12 is disposed on a side of the third substrate 15 away from the second substrate 14, so that the second substrate 14 and the third substrate 15 are spaced between the Vivaldi oscillator array 11 and the power divider 12, and the disposition positions of the Vivaldi oscillator array 11 and the power divider 12 are not particularly limited in this embodiment.
Optionally, the horizontal radiation unit 1 may further include: a second cable (not shown in fig. 7); an inner conductor of the second cable penetrates through the Vivaldi oscillator array 11 to be electrically connected with the power divider 12; the outer conductor of second cable is connected with Vivaldi oscillator group 11 electricity, and the second cable makes horizontal radiating element 1 form signal transmission path, realizes the utility model provides a horizontal polarized horizontal radiating element 1, on the horizontal direction that is on a parallel with the base plate, horizontal radiating element 1 that this embodiment provided radiates evenly, the omnidirectional characteristic preferred.
When the horizontal radiating element 1 only includes the first substrate 13, the second cable is connected to the Vivaldi oscillator array 11 through the first substrate 13 at one side, the outer conductor of the second cable is directly electrically connected to the metal layer at the center of the Vivaldi oscillator array 11, and the inner conductor of the second cable passes through the first substrate 13 and is electrically connected to the input port of the power divider 12 at the other side of the first substrate 13.
When the horizontal radiating element 1 includes the second substrate 14 and the third substrate 15, the second cable is connected from the side of the second substrate 14 away from the third substrate 15, the outer conductor of the second cable passes through the second substrate 14 and is directly electrically connected to the metal layer in the center of the Vivaldi oscillator array 11, and the inner conductor of the second cable passes through the second substrate 14 and the third substrate 15 and is electrically connected to the input port of the power divider 12 on the side of the third substrate 15 away from the second substrate 14.
Fig. 7 is a schematic structural diagram of another dual polarized antenna provided in the embodiment of the present invention, and fig. 8 is a schematic structural diagram of another dual polarized antenna provided in the embodiment of the present invention, referring to fig. 6 to 8, optionally, the vertical polarization oscillator 2 may be a single cone oscillator, a shaped cone oscillator, or a biconical oscillator. Fig. 6 shows a structure in which the vertically polarized vibrator 2 is a biconic vibrator, and the vertically polarized vibrator 2 includes two oppositely disposed tapered vibrators, namely a first tapered vibrator 21 and a second tapered vibrator 22; fig. 7 shows a structure in which the vertical polarization oscillator 2 is a shaped cone oscillator 23, the shaped cone oscillator 23 includes a tapered portion 232 with a top end close to the horizontal radiation unit 1 and a 231 barrel portion with a tail end connected to the tapered portion, and the shaped cone oscillator 23 further includes a reflection plate 24 disposed on the tapered portion 232 close to the horizontal radiation unit 1; fig. 8 shows that the vertical polarization oscillator 2 is a single-cone oscillator 25, and the structures of the vertical polarization oscillator 2 shown in fig. 6 to fig. 8 are only several setting forms of the vertical polarization oscillator 2 provided by the embodiment of the present invention, except for the above-mentioned single-cone oscillator, shaped cone oscillator or double-cone oscillator, the vertical polarization oscillator 2 of the dual-polarized antenna of this embodiment can also be other kinds of vertical polarization oscillators, and this embodiment does not limit the kind of the vertical polarization oscillator 2.
optionally, with continued reference to fig. 6, the vertically polarized vibrator 2 is a biconic vibrator; the biconical vibrator comprises a first conical vibrator 21 and a second conical vibrator 22; the top ends of the first conical vibrator 21 and the second conical vibrator 22 are oppositely arranged and are in insulation connection through a supporting part (not shown in figure 6); the first conical vibrator 21 is arranged close to the horizontal radiation unit 1, and the second conical vibrator 22 is arranged far away from the horizontal radiation unit 1; the top ends of the first cone oscillator 21 and the second cone oscillator 22 are respectively provided with wiring holes 26.
compared with a shaped cone oscillator or a single cone oscillator, the double-cone oscillator has better radiation performance, can cover wider bandwidth, and realizes the ultra-wideband dual-polarized antenna. The first conical vibrator 21 and the second conical vibrator 22 are oppositely arranged at the top ends. It should be noted that in this embodiment, the top end of the first cone oscillator 21 and the second cone oscillator 22 refers to the side with the smaller cone cross-section diameter, and the bottom end is the side with the larger cone cross-section diameter. The bottom of the first cone vibrator 21 is close to the horizontal radiating unit 1, the top of the first cone vibrator 21 is close to the top of the second cone vibrator 22, and the bottom of the first cone vibrator 21 is far away from the horizontal radiating unit 1, namely, the second cone vibrator 22. The first cone oscillator 21 and the second cone oscillator 22 are insulated from each other at their distal ends, and for example, the first cone oscillator 21 and the second cone oscillator 22 may be supported at their distal ends by a support portion made of a plastic material.
Optionally, the vertical radiating element 2 further comprises a first cable (not shown in fig. 6); the inner conductor of the first cable passes through the wiring holes 26 of the first cone vibrator 21 and the second cone vibrator 22 to be electrically connected with the second cone vibrator 22; the outer conductor of the first cable is electrically connected to the first cone vibrator 21. First cable makes vertical polarization oscillator 2 form the signal transmission route, realizes the embodiment of the utility model provides a vertical polarization's vertical polarization oscillator 2, in the direction of perpendicular to horizontal radiating element 1, the radiation is even, the omnidirectional characteristic preferred.
when the horizontal radiating element 1 includes only the first substrate 13, the first cable is connected from the side of the first substrate 13 where the Vivaldi oscillator array 11 is disposed, after the first cable is entirely passed through the first substrate 13, the inner conductor of the first cable is passed through the wiring holes 26 of the first cone oscillator 21 and the second cone oscillator 22, and is electrically connected to the second cone oscillator 22, and the outer conductor of the first cable is electrically connected to the first cone oscillator 21.
When the horizontal radiating unit 1 comprises the second substrate 14 and the third substrate 15, the first cable is connected from one side of the second substrate 14 far away from the third substrate 15, the first cable integrally passes through the second substrate 14 and the third substrate 15, the inner conductor of the first cable passes through the first cone oscillator 21 and the wiring hole 26 of the second cone oscillator 22 and is electrically connected with the second cone oscillator 22, and the outer conductor of the first cable is electrically connected with the first cone oscillator 21.
It should be noted that the foregoing is only a preferred embodiment of the present invention and the technical principles applied. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious modifications, rearrangements, combinations and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail with reference to the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the scope of the present invention.
Claims (10)
1. A dual polarized antenna, comprising: a horizontal radiation unit and a vertical radiation unit;
the horizontal radiation unit comprises a power divider and a Vivaldi vibrator array; the Vivaldi vibrator array comprises a plurality of Vivaldi vibrator units which are uniformly distributed along the circumferential direction; the power divider comprises a plurality of output ports which are in one-to-one correspondence with the Vivaldi oscillator units, and the output ports of the power divider are in one-to-one correspondence coupling connection with the Vivaldi oscillator units;
the vertical radiating unit is arranged on one side of the horizontal radiating unit and comprises a vertical polarization oscillator which is used for being combined with the Vivaldi oscillator array to realize dual polarization of the dual-polarized antenna.
2. The dual polarized antenna of claim 1, wherein the vertically polarized elements are single cone elements, shaped cone elements, or biconical elements.
3. The dual polarized antenna of claim 2, wherein the vertically polarized elements are biconic elements; the biconical vibrator comprises a first conical vibrator and a second conical vibrator; the top ends of the first conical vibrator and the second conical vibrator are oppositely arranged and are in insulation connection through a supporting part;
The first conical oscillator is arranged close to the horizontal radiation unit, and the second conical oscillator is arranged far away from the horizontal radiation unit; and the top ends of the first conical vibrator and the second conical vibrator are respectively provided with a wiring hole.
4. The dual polarized antenna of claim 3,
The vertical radiating element further comprises a first cable; the inner conductor of the first cable penetrates through the wiring holes of the first conical vibrator and the second conical vibrator to be electrically connected with the second conical vibrator; the outer conductor of the first cable is electrically connected with the first cone oscillator.
5. The dual polarized antenna of claim 1, wherein the horizontal radiating element further comprises: a first substrate;
the Vivaldi oscillator array is arranged on one side of the first substrate;
The power divider is arranged on one side, far away from the Vivaldi oscillator array, of the first substrate.
6. the dual polarized antenna of claim 1, wherein the horizontal radiating element further comprises: a second substrate and a third substrate; the second substrate and the third substrate are fixedly connected;
The Vivaldi oscillator array is arranged on the second substrate; the power divider is disposed on the third substrate.
7. The dual polarized antenna of claim 6,
The Vivaldi oscillator array is arranged on one side, close to the third substrate, of the second substrate; the power divider is arranged on one side of the third substrate far away from the second substrate.
8. the dual polarized antenna of claim 1, wherein the Vivaldi element units comprise: etching a resonant cavity formed by the metal layer and a radiation area communicated with the resonant cavity;
the radiation area is formed by encircling an index gradual change slotline and a rectangular slotline.
9. The dual polarized antenna of claim 8, wherein the Vivaldi element unit rectangular slot line is formed with a plurality of rectangular corrugated slots.
10. The dual polarized antenna of claim 1, further comprising: a second cable;
The inner conductor of the second cable penetrates through the Vivaldi oscillator array to be electrically connected with the power divider;
The outer conductor of the second cable is electrically connected with the Vivaldi oscillator array.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920849539.2U CN209804905U (en) | 2019-06-06 | 2019-06-06 | dual-polarized antenna |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201920849539.2U CN209804905U (en) | 2019-06-06 | 2019-06-06 | dual-polarized antenna |
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| CN209804905U true CN209804905U (en) | 2019-12-17 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020244636A1 (en) * | 2019-06-06 | 2020-12-10 | 昆山瀚德通信科技有限公司 | Dual-polarized antenna |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020244636A1 (en) * | 2019-06-06 | 2020-12-10 | 昆山瀚德通信科技有限公司 | Dual-polarized antenna |
| US11539145B2 (en) | 2019-06-06 | 2022-12-27 | Kunshan Hamilton Communication Technology Co., Ltd | Dual-polarized antenna |
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