CN212934845U - S-band bipolar electromagnetic dipole antenna array - Google Patents
S-band bipolar electromagnetic dipole antenna array Download PDFInfo
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- CN212934845U CN212934845U CN202022172267.2U CN202022172267U CN212934845U CN 212934845 U CN212934845 U CN 212934845U CN 202022172267 U CN202022172267 U CN 202022172267U CN 212934845 U CN212934845 U CN 212934845U
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Abstract
The utility model belongs to the technical field of the antenna technique and specifically relates to a S wave band dual polarization electromagnetism dipole antenna array, including ring and bottom plate, the ring is located the top of bottom plate, and four standing grooves have been seted up to the top equidistance of ring, have placed radiating element in the standing groove to radiating element' S cross-section is the cross-section for the gamma shape, and two liang of radiating elements connect through the transmission line, and the through-hole has been seted up to radiating element one end, and the welding has the cable in the through-hole, and the cable is perpendicular setting, and the lower extreme welding of cable is in the top of bottom plate, and the top of ring is connected with the plectan. The device can effectively widen the impedance bandwidth of the antenna and has good one-way radiation characteristic, and simultaneously, the change of the shape of the radiation unit prolongs the surface radiation current path, thereby realizing the requirements of miniaturization, broadband and dual polarization of the antenna.
Description
Technical Field
The utility model relates to an antenna field especially relates to a S wave band dual polarization electromagnetic dipole antenna array.
Background
Miniaturized, broadband antennas are becoming the mainstream design of communication antennas; the use of dual polarized antennas can effectively increase communication capacity and reduce multipath fading through polarization diversity and frequency multiplexing. The designed electromagnetic dipole antenna in foreign documents cannot satisfy the dual polarization function although the impedance bandwidth covers the communication frequency band of 1GHz, and the antenna structure is complicated due to the loading of superconducting materials. The printed dipole antenna achieves a relative bandwidth of 52% while achieving a stable gain. However, the structure is complex, the assembly and the manufacture are difficult, and the size of the antenna is large, so that an S-band dual-polarized electromagnetic dipole antenna array is provided.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects existing in the prior art and providing an S-band bipolar electromagnetic dipole antenna array.
In order to achieve the above purpose, the utility model adopts the technical scheme that: the utility model provides a bipolar electromagnetic dipole antenna array of S wave band, includes ring and bottom plate, the ring is located the top of bottom plate, four standing grooves have been seted up to the top equidistance of ring, radiation unit has been placed in the standing groove to radiation unit' S cross-section is the cross-section and is the gamma shape, and is two liang radiation unit connects through the transmission line, the through-hole has been seted up to radiation unit one end, the welding has the cable in the through-hole to the cable is perpendicular setting, the lower extreme welding of cable is in the top of bottom plate, the top of ring is connected with the plectane through epoxy glue.
Preferably, the inner wall of the placing groove is obliquely arranged, and both sides of the radiation unit are arranged to be inclined surfaces matched with the placing groove.
Preferably, a circular ring is arranged below the radiation unit and is superposed with the through hole, the radiation unit and the circular ring are of an integral structure, the radiation unit and the circular ring are formed by one-step drawing of beryllium bronze materials, and the thickness of the radiation unit is 1 mm.
Preferably, the two transmission lines are vertically arranged, and two ends of the transmission lines are connected with the radiating units in a welding mode.
Compared with the prior art, the utility model discloses following beneficial effect has:
the placing groove positions the radiating elements, assembly precision is improved, a key effect is achieved on a directional diagram and gain of the antenna, in the using process, the antenna is subjected to coupling feed through the radiating elements with the surfaces of rectangular sections of gamma, impedance bandwidth of the antenna can be effectively widened, the antenna has good one-way radiation characteristics, meanwhile, the shapes of the radiating elements are changed, surface radiation current paths are prolonged, and therefore the requirements of miniaturization, broadband and dual polarization of the antenna are met.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the internal structure of the present invention;
fig. 3 is a schematic view of the fitting structure of the radiation unit and the placement groove of the present invention;
fig. 4 is a schematic structural diagram of the radiation unit of the present invention.
In the figure: the device comprises a circular plate 1, a through hole 2, a radiation unit 3, a circular ring 4, a cable 5, a bottom plate 6, a transmission line 7, a placing groove 8 and a circular ring 9.
Detailed Description
The following description is presented to disclose the invention so as to enable any person skilled in the art to practice the invention. The preferred embodiments in the following description are given by way of example only, and other obvious variations will occur to those skilled in the art.
As shown in fig. 1-4, an S-band dipole antenna array comprises a circular ring 4 and a bottom plate 6, wherein the circular ring 4 is located above the bottom plate 6, four placing grooves 8 are equidistantly formed above the circular ring 4, a radiating element 3 is placed in each placing groove 8, the cross section of each radiating element 3 is in an inverted-L shape, the inner wall of each placing groove 8 is obliquely arranged, two sides of each radiating element 3 are provided with inclined planes matched with the placing grooves 8, a circular ring 9 is arranged below each radiating element 3, the circular rings 9 and through holes 2 are overlapped, the radiating elements 3 and the circular rings 9 are in an integral structure, the radiating elements 3 and the circular rings 9 are formed by once stretching beryllium bronze materials, the thickness of each radiating element 3 is 1 mm, every two radiating elements 3 are connected through transmission lines 7, the two transmission lines 7 are vertically arranged, and two ends of each transmission line 7 are connected with the radiating elements 3 by welding, through-hole 2 has been seted up to 3 one end of radiating element, has welded cable 5 in the through-hole 2 to cable 5 is perpendicular setting, and the lower extreme welding of cable 5 is in the top of bottom plate 6, and the top of ring 4 is connected with plectane 1 through epoxy glue.
The implementation mode is specifically as follows: firstly, beryllium bronze with the thickness of 1 millimeter is punched by a precision punch press, so that the structure of the radiation unit 3 is obtained, the radiation unit 3 is convenient to place through the arrangement of the placing groove 8, meanwhile, the inner wall of the placing groove 8 is obliquely arranged, so that the position of the radiation unit 3 is convenient to position, the assembly precision is improved, a directional diagram and a gain of the antenna are played as key effects, in the using process, the antenna is subjected to coupling feed through the radiation unit 3 with the rectangular section of the surface being inverted L, the impedance bandwidth of the antenna can be effectively widened, the antenna has good one-way radiation characteristic, meanwhile, the shape of the radiation unit 3 is changed, the surface radiation current path is prolonged, and the requirements of miniaturization, broadband and dual polarization of the antenna are met.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the principles of the present invention may be applied to any other embodiment without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (4)
1. The utility model provides a bipolar electromagnetic dipole antenna array of S wave band, includes ring (4) and bottom plate (6), its characterized in that, ring (4) are located the top of bottom plate (6), four standing grooves (8) have been seted up to the top equidistance of ring (4), radiating element (3) have been placed in standing groove (8) to the cross-section of radiating element (3) is the cross-section and is the gamma shape, two liang radiating element (3) are connected through transmission line (7), through-hole (2) have been seted up to radiating element (3) one end, the welding has cable (5) in through-hole (2) to cable (5) are perpendicular setting, the lower extreme welding of cable (5) is in the top of bottom plate (6), the top of ring (4) is connected with plectane (1) through epoxy glue.
2. An S-band dipole electromagnetic dipole antenna array according to claim 1, characterised in that the inner walls of said placement slots (8) are arranged obliquely and that both sides of the radiating elements (3) are arranged as inclined planes matching the placement slots (8).
3. The S-band bipolar electromagnetic dipole antenna array according to claim 1, wherein a circular ring (9) is arranged below the radiating element (3), the circular ring (9) is arranged to coincide with the through hole (2), the radiating element (3) and the circular ring (9) are of an integral structure, the radiating element (3) and the circular ring (9) are formed by one-step drawing of beryllium bronze materials, and the thickness of the radiating element (3) is 1 mm.
4. An S-band dipole electromagnetic dipole antenna array according to claim 1, characterised in that said transmission lines (7) are arranged vertically and that the ends of the transmission lines (7) are connected to the radiating elements (3) by welding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022172267.2U CN212934845U (en) | 2020-09-28 | 2020-09-28 | S-band bipolar electromagnetic dipole antenna array |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022172267.2U CN212934845U (en) | 2020-09-28 | 2020-09-28 | S-band bipolar electromagnetic dipole antenna array |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212934845U true CN212934845U (en) | 2021-04-09 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022172267.2U Active CN212934845U (en) | 2020-09-28 | 2020-09-28 | S-band bipolar electromagnetic dipole antenna array |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212934845U (en) |
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2020
- 2020-09-28 CN CN202022172267.2U patent/CN212934845U/en active Active
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