CN117080721A - Single polarization radiating element, air microstrip radiating element and wall-mounted antenna - Google Patents
Single polarization radiating element, air microstrip radiating element and wall-mounted antenna Download PDFInfo
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- CN117080721A CN117080721A CN202311014741.0A CN202311014741A CN117080721A CN 117080721 A CN117080721 A CN 117080721A CN 202311014741 A CN202311014741 A CN 202311014741A CN 117080721 A CN117080721 A CN 117080721A
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- 230000010287 polarization Effects 0.000 title description 6
- 230000005855 radiation Effects 0.000 claims abstract description 77
- 239000002184 metal Substances 0.000 claims abstract description 49
- 230000005404 monopole Effects 0.000 claims abstract description 26
- 230000000694 effects Effects 0.000 abstract description 6
- 238000004519 manufacturing process Methods 0.000 description 12
- 238000010586 diagram Methods 0.000 description 7
- 230000009286 beneficial effect Effects 0.000 description 6
- 238000003754 machining Methods 0.000 description 5
- 238000004891 communication Methods 0.000 description 3
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- 230000009977 dual effect Effects 0.000 description 2
- 125000006850 spacer group Chemical group 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000004512 die casting Methods 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/36—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/12—Supports; Mounting means
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/36—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
- H01Q1/38—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith formed by a conductive layer on an insulating support
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/50—Structural association of antennas with earthing switches, lead-in devices or lightning protectors
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q5/00—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
- H01Q5/20—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements characterised by the operating wavebands
- H01Q5/28—Arrangements for establishing polarisation or beam width over two or more different wavebands
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Abstract
The invention discloses a monopole radiation unit, which comprises a fixed seat, a feed balun, a radiation power dividing arm and a feed arm, wherein the fixed seat is provided with a plurality of radiating arms; the two ends of the fixed seat are respectively provided with a feeding balun which is bent upwards and extends, and one end of the feeding balun, which is far away from the fixed seat, is provided with a radiation power dividing arm; the left end and the right end of the radiation power dividing arm are respectively provided with a vibrator arm which is bent outwards to extend, and the two vibrator arms at the same side end of the two radiation power dividing arms form a half-wave vibrator; the middle part of the upper end of any radiation power dividing arm is provided with a feed arm which is used for being connected with a signal cable. The invention also discloses an air microstrip radiating element which comprises a metal radiating plate, an insulating medium gasket, a metal feed sheet and an insulating fixing nail. The invention also discloses a wall-mounted antenna which comprises the monopole radiating element and the air microstrip radiating element. The invention has the characteristics of small occupied volume, small size, low cost, good performance effects of the radiation unit and the antenna, and the like.
Description
Technical Field
The invention relates to the technical field of communication antennas, in particular to a monopole radiating element, an air microstrip radiating element and a wall-mounted antenna.
Background
The indoor wall-mounted antenna solves the problem that an outdoor macro station cannot deeply cover, network congestion is caused by the fact that the number of people used is increased in network communication and telecommunication communication, and the indoor wall-mounted antenna can share telephone traffic born by a base station, so that the problem that signal field intensity is improved and mutual interference is solved. The indoor wall-mounted antenna is arranged indoors and is frequently seen or contacted in the life of people, so that the requirements on the size and the appearance of the antenna are severe, and the antenna has the characteristics of small size, exquisite appearance, low profile and the like. Due to the rapid development of 5G, multiple frequency spectrums are added, operators are required to consider three frequency bands of 690-960 MHz, 1710-2700MHz and 3300-3800 MHz as much as possible in order to save investment cost and avoid repeated construction of engineering.
One type of antenna commonly used in the indoor three-frequency wall-mounted antenna is a conventional single-polarization three-frequency wall-mounted antenna, and a conventional single-polarization radiating unit (comprising a half-wave oscillator) adopted by the antenna has the defects of poor radiation performance, low radiation efficiency, poor radiation directivity, low gain, insufficient bandwidth and the like, and is difficult to meet the requirements of operators. In order to meet index requirements as much as possible, the conventional single-polarized wall-mounted antenna at present generally adopts a dual-polarized radiation unit and rotates by 90 degrees, and only one half-wave oscillator is used as a working radiation unit to realize a single-polarized radiation function. Although the above-mentioned drawbacks can be optimized to a certain extent to improve the antenna performance effect by adopting the above-mentioned method, the antenna performance improvement range is limited, and the users with high performance requirements cannot be satisfied; and the dual-polarized radiating element and the conventional single-polarized radiating element generally adopt die-casting vibrators or PCB vibrators, and can be processed only in special processing places, so that the dual-polarized radiating element has long processing period, high cost and large occupied volume, and the manufactured single-polarized three-frequency wall-mounted antenna has large volume, long production period and high production cost, and is not beneficial to low-cost production control.
Disclosure of Invention
The invention aims to solve the technical problems of providing a monopole radiating element, an air microstrip radiating element and a wall-mounted antenna, which have the advantages of small occupied volume, low cost and good radiating element and antenna performance effects.
In a first aspect, an embodiment of the present invention provides a monopole radiating element, including a fixed seat, a feed balun, a radiating power dividing arm and a feed arm; the two ends of the fixed seat are respectively provided with the feed balun which is bent upwards and extends, and one end of the feed balun, which is far away from the fixed seat, is provided with the radiation power dividing arm; vibrator arms which are bent outwards and extend are respectively arranged at the left end and the right end of the radiation power dividing arm, and two vibrator arms positioned at the same side end of the two radiation power dividing arms form a half-wave vibrator; the middle part of the upper end of any one of the radiation power dividing arms is provided with the feed arm which is used for being connected with a signal cable.
As an improvement of the scheme, the two ends of the fixed seat are respectively provided with the feed balun which is bent and extended upwards by 90 degrees, and the left end and the right end of the radiation power dividing arm are respectively provided with the vibrator arms which are bent and extended outwards by 90 degrees.
As an improvement of the scheme, the middle part of the upper end of any radiation power dividing arm is provided with the feeding arm which is bent inwards to extend, one end of the feeding arm far away from the radiation power dividing arm is provided with a feeding connecting end, and the feeding connecting end is in feeding connection with the signal cable.
As an improvement of the above scheme, the monopole radiating element is an integral structure formed by integral stamping; the height of the feed balun is 0.1-0.3λ, the length of the radiating power dividing arm is 0.1-0.4λ, and the length of the half-wave vibrator is 0.35-0.65λ, wherein λ is the wavelength of the central frequency point of the radiating unit.
The technical scheme of the first aspect of the invention has at least one of the following advantages or beneficial effects:
the monopole radiating unit is formed by integrally stamping the metal plate, has the characteristics of short processing period, low cost, small overall occupied volume, good radiation performance, high radiation efficiency, good radiation directivity, high gain, high bandwidth and the like, and is formed by adopting two half-wave vibrators.
In a second aspect, the embodiment of the invention also provides an air microstrip radiating element, which comprises a metal radiating plate, an insulating medium gasket, a metal feed piece and an insulating fixing nail; one end of the metal feed piece is coupled with the metal radiation plate through an insulating medium gasket, and the other end of the metal feed piece is provided with a feed end which is bent and extended downwards; one end of the insulating fixing nail sequentially penetrates through the metal radiating plate and the insulating medium gasket to be in threaded connection with the metal feed piece.
As an improvement of the scheme, the overall height of the air microstrip radiating element is 1/6-1/9 lambda.
As an improvement of the scheme, the metal feeding sheet is L-shaped, and the width of the metal feeding sheet is 1-20 mm; the cross section of the metal radiation plate is a symmetrical geometric figure, and the length and the width of the cross section are 0.1-1 lambda.
The technical scheme of the second aspect of the invention has at least one of the following advantages or beneficial effects:
the air microstrip radiating element is formed by integrally stamping the metal plate, and has the advantages of short processing period, low cost and simple integral structure; the bandwidth can be improved by adopting a coupling feed mode, the low-profile effect is achieved under the condition of meeting the required wide band, and the occupied volume is small.
In a third aspect, an embodiment of the present invention further provides a wall-mounted antenna, including a reflective bottom plate and an outer cover covering the reflective bottom plate, where the reflective bottom plate is provided with a tri-frequency combiner, a monopole radiating element as described above, and an air microstrip radiating element as described above; the single-polarized radiation unit comprises an intermediate frequency single-polarized radiation unit and a high-frequency single-polarized radiation unit, a feed arm of the intermediate frequency single-polarized radiation unit is connected with an intermediate frequency connecting end of the three-frequency combiner through a first coaxial cable, and a feed arm of the high-frequency single-polarized radiation unit is connected with a high-frequency connecting end of the three-frequency combiner through a second coaxial circuit; the air microstrip radiating unit is a low-frequency air microstrip radiating unit, and the feed end of the low-frequency air microstrip radiating unit is connected with the low-frequency connecting end of the three-frequency combiner; and the combining connection end of the three-frequency combiner is connected with the coaxial connector.
As an improvement of the scheme, the heights of the feed balun of the intermediate frequency single-polarization radiating unit and the feed balun of the high frequency single-polarization radiating unit are 0.20-0.30λ, the radiating power dividing arm length is 0.20-0.35λ, and the half-wave vibrator length is 0.45-0.55λ.
As an improvement of the scheme, the overall height of the low-frequency air microstrip radiating element is 1/7-1/9 lambda, the width of the metal feed sheet is 5-12 mm, and the length and the width of the cross section of the metal radiating plate are both 0.2-0.5 lambda.
The technical scheme of the third aspect of the invention has at least one of the following advantages or beneficial effects:
the wall-mounted antenna is formed by integrally stamping the metal plates, has the advantages of short processing period, simplicity in manufacture and small occupied volume, meets the requirements of miniaturization or small-size wall-mounted antennas, is low in production cost, and is beneficial to low-cost production control. The wall-mounted antenna can realize signal coverage of three frequency bands of low frequency 698MHz-960MHz, medium frequency 1710MHz-2700MHz and high frequency 3300MHz-3800MHz, and has the characteristics of good radiation performance, high radiation efficiency, good radiation directivity, high gain and bandwidth, and the like.
Drawings
FIG. 1 is a schematic diagram of the structure of a single polarized radiation element of the present invention;
FIG. 2 is a schematic diagram of another embodiment of a single polarized radiation element of the present invention;
FIG. 3 is a schematic diagram of the air microstrip radiating element of the present invention;
FIG. 4 is a schematic view of the structure of a metal radiant panel according to the present invention;
FIG. 5 is a schematic view of another embodiment of a metal radiant panel according to the present invention;
fig. 6 is a schematic structural view of a wall-mounted antenna according to the present invention;
fig. 7 is a schematic diagram of a tri-frequency combiner according to the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings, for the purpose of making the objects, technical solutions and advantages of the present invention more apparent. It is only stated that the terms of orientation such as up, down, left, right, front, back, inner, outer, etc. used in this document or the imminent present invention, are used only with reference to the drawings of the present invention, and are not meant to be limiting in any way.
As shown in fig. 1, an embodiment of the present invention provides a schematic structural diagram of a monopole radiating element, where the monopole radiating element 1 is an integral structure formed by integral stamping, and can be machined without a special machining place, and the machining can be completed in a general small hardware machining place, so that the machining is simple, the machining period is short, and the production cost is low.
The single-polarization radiation unit 1 comprises a fixed seat 11, a feed balun 12, a radiation power dividing arm 13 and a feed arm 14; the two ends of the fixed seat 11 are respectively provided with the feeding balun 12 which is bent and extended upwards by 90 degrees, and one end of the feeding balun 12, which is far away from the fixed seat 11, is provided with the radiation power dividing arm 13. Vibrator arms 15 which are bent and extended outwards by 90 degrees are respectively arranged at the left end and the right end of the radiation power dividing arm 13.
The two vibrator arms 15 positioned at the same side end of the two radiation power dividing arms 13 form a half-wave vibrator 16; the middle part of the upper end of any one of the radiating power dividing arms 13 is provided with the feed arm 14, and the feed arm 14 is used for being connected with a signal cable and used for receiving antenna signals or outputting antenna signals.
The radiation unit of the embodiment of the invention comprises two half-wave vibrators 16, and each half-wave vibrator 16 is arranged at the corresponding side end of each of the two radiation power dividing arms 13. The radiating power dividing arm 13 is arranged to equally divide the frequency band signal into two half-wave vibrators 16 or collect the frequency band signal received by the two half-wave vibrators 16. When in operation, the two half-wave vibrators 16 form a working radiation unit to carry out single polarization radiation operation; compared with the conventional single-polarization radiation unit and dual-polarization radiation unit which adopt one half-wave vibrator 16 for radiation operation, the single-polarization radiation unit 1 of the embodiment of the invention has higher radiation efficiency, more concentrated energy, strong radiation directivity, high bandwidth and gain, the gain of which can reach 9-11dBi, and the gain of other radiation units is 7-9dBi.
The monopole radiating element 1 can support the 1710-2700MHz band and above, but the conventional monopole radiating element has difficulty in supporting the band. In order to support broadband, a dual polarized radiating element is often adopted and rotated by 90 °, and one half-wave vibrator 16 is adopted to realize a single polarization function, but the dual polarized radiating element has a large volume due to its own structure, occupies a large antenna space, and finally results in high production cost of the wall-mounted antenna 3.
Specifically, the middle part of the upper end of any one of the radiating power dividing arms 13 is provided with the feeding arm 14 which is bent and extended inwards by 90 degrees, one end of the feeding arm 14, which is far away from the radiating power dividing arm 13, is provided with a feeding connection end 141, and the feeding connection end 141 is in feeding connection with the signal cable and is used for being connected with an antenna signal device to realize the receiving and transmitting functions of signals.
The height a of the feed balun 12 is 0.1-0.3λ, the length B of the radiating power dividing arm 13 is 0.1-0.4λ, and the length C of the half-wave vibrator 16 is 0.35-0.65λ, where λ is the wavelength of the central frequency point of the radiating unit. According to the use requirement and environment of the actual antenna element, the actual size of the monopole radiating element 1 can be selected correspondingly, so that the produced monopole radiating element 1 can work stably in the corresponding use environment, and the actual requirement of a user is met.
Preferably, in the embodiment of the present invention, as shown in fig. 1, the vibrator arms 15 at both ends are folded back toward the middle of the radiant power dividing arm 13, but not limited thereto, and can be adjusted according to actual requirements. The structural shape of the monopole radiating element 1 as in the other embodiments may also be as shown in fig. 2 at 1a and 2b, wherein the vibrator arms 15 at both ends may also be folded back from above (as shown at 1a in fig. 2), or the vibrator arms 15 at both ends may be folded back from below (as shown at 2b in fig. 2), or the like … ….
As shown in fig. 3-4, the embodiment of the present invention further provides a schematic structural diagram of an air microstrip radiating element, which includes a metal radiating plate 21, an insulating dielectric spacer 22, a metal feeding sheet 23 and an insulating fixing nail 24; one end of the metal feed piece 23 is coupled with the metal radiation plate 21 through the insulating medium gasket 22, and the other end is provided with a feed end 231 which is bent and extended downwards by 90 degrees; one end of the insulating fixing pin 24 sequentially passes through the through holes of the metal radiating plate 21 and the insulating dielectric washer 22 and is in threaded connection with the metal feed piece 23. Wherein, the metalwork is through integrative stamping forming, and processing cycle is short, and the cost of manufacture is low, and overall structure is simple, simple to operate.
Specifically, the overall height D of the air microstrip radiating element 2 is 1/6-1/9λ, which is lower than the height (e.g. 1/4λ) of the conventional half-wave oscillator 16, has a low profile effect, occupies a small volume, and can meet the thickness requirement of the miniaturized antenna.
The metal feeding sheet 23 is in an L shape, the width of the metal feeding sheet 23 is 1-20 mm, and the specific value of the metal feeding sheet can be selected according to actual requirements; the cross section of the metal radiation plate 21 is a symmetrical geometric figure, the length E and the width F of the cross section are both 0.1-1 lambda, and the specific value of the cross section can be selected according to actual requirements.
Preferably, the insulating medium spacer 22 and the insulating fixing nails 24 are preferably made of plastic, but not limited thereto, and suitable insulating materials may be selected according to practical requirements.
Preferably, in the embodiment of the present invention, as shown in fig. 4, the cross section of the metal radiating plate 21 is a square metal radiating surface, but the invention is not limited thereto, and may be adjusted according to practical requirements. As in other embodiments, the cross section of the metal radiation plate 21 may not be limited to any shape as in 21a-21f in fig. 5.
The embodiment of the invention adopts a coupling feed mode, the metal feed sheet 23 and the metal radiating plate 21 are in non-contact feed, so that the welding is reduced, the situations of false welding, false welding and the like are avoided, the third-order intermodulation of the antenna can be improved, the bandwidth can be improved by adopting a coupling feed mode, the low-profile effect is achieved under the condition of meeting the required wide frequency band, and the occupied volume is small.
As shown in fig. 6-7, an embodiment of the present invention further provides a schematic structural diagram of a wall-mounted antenna 3, where the wall-mounted antenna 3 includes a reflective base plate 31 and an outer cover 32 covering the reflective base plate 31, and a tri-frequency combiner 33, a monopole radiating element as described above, and an air microstrip radiating element as described above are disposed on the reflective base plate 31; the single polarized radiation unit comprises a medium frequency single polarized radiation unit 34 and a high frequency single polarized radiation unit 35, and the medium frequency single polarized radiation unit 34 and the high frequency single polarized radiation unit 35 are installed on the reflecting plate through the fixing seat 11. The feed arm 14 of the intermediate frequency single polarization radiation unit 34 is connected to the intermediate frequency connection end 331 of the triplexer 33 through a first coaxial cable, and the intermediate frequency single polarization radiation unit 34 is used for working in the 1710-2690 MHz frequency band. The feed arm 14 of the high-frequency monopole radiating element 35 is connected to the high-frequency connection end 332 of the tri-frequency combiner 33 through a second coaxial circuit, and the high-frequency monopole radiating element 35 is configured to operate in the 3300MHz to 3800MHz frequency band. The air microstrip radiating element 2 is a low-frequency air microstrip radiating element 36, a feed end 231 of the low-frequency air microstrip radiating element 36 is connected with a low-frequency connection end 333 of the tri-frequency combiner 33, and the low-frequency air microstrip radiating element 36 is used for working in a 690-960 MHz frequency band. The combining connection 334 of the tri-frequency combiner 33 is connected to an external signal device through a coaxial connector 37.
In the embodiment of the present invention, the heights of the feed balun 12 of the intermediate frequency monopole radiating unit 34 and the high frequency monopole radiating unit 35 are preferably 0.25λ, the lengths of the radiating power dividing arms 13 are preferably 0.25λ, and the lengths of the half-wave vibrators 16 are preferably 0.5λ, which is not limited to this, and the corresponding sizes of the radiating units can be adjusted according to different frequency bands so as to meet the requirements of different frequency bands.
Further, the overall height of the low-frequency air microstrip radiating element 36 is preferably 1/8λ, the width of the metal feeding sheet 23 is 8mm, and the length and width of the cross section of the metal radiating plate 21 are both 0.35λ, which is not limited thereto and can be adjusted according to practical situations.
In summary, the low-frequency, medium-frequency and high-frequency radiating units adopted by the wall-mounted antenna 3 are all formed by integrally stamping metal plates, so that the wall-mounted antenna is short in processing period, simple to manufacture, small in occupied volume of the whole antenna, low in production cost and beneficial to low-cost production control, and the requirements of the wall-mounted antenna 3 with small size or small size are met. The wall-mounted antenna 3 can realize signal coverage of three frequency bands of low frequency 698MHz-960MHz, medium frequency 1710MHz-2700MHz and high frequency 3300MHz-3800MHz, and has the characteristics of good radiation performance, high radiation efficiency, good radiation directivity, high gain and bandwidth, and the like.
The foregoing disclosure is merely illustrative of the preferred embodiments of the present invention and is not intended to limit the scope of the claims herein, as equivalent changes may be made in the claims herein without departing from the scope of the invention.
Claims (10)
1. The monopole radiation unit is characterized by comprising a fixed seat, a feed balun, a radiation power dividing arm and a feed arm;
the two ends of the fixed seat are respectively provided with the feed balun which is bent upwards and extends, and one end of the feed balun, which is far away from the fixed seat, is provided with the radiation power dividing arm;
vibrator arms which are bent outwards and extend are respectively arranged at the left end and the right end of the radiation power dividing arm, and two vibrator arms positioned at the same side end of the two radiation power dividing arms form a half-wave vibrator;
the middle part of the upper end of any one of the radiation power dividing arms is provided with the feed arm which is used for being connected with a signal cable.
2. The monopole radiating element according to claim 1, wherein two ends of the fixing base are respectively provided with the feed balun which is bent and extended upwards by 90 degrees, and two left and right ends of the radiating power dividing arm are respectively provided with vibrator arms which are bent and extended outwards by 90 degrees.
3. The monopole radiating element of claim 1 wherein a middle portion of an upper end of any one of the radiating arms is provided with the feed arm which is bent and extended inward, and a feed connection end is provided at an end of the feed arm away from the radiating arm, and the feed connection end is in feed connection with the signal cable.
4. The monopole radiating element of claim 1, wherein the monopole radiating element is a unitary stamped, unitary structure;
the height of the feed balun is 0.1-0.3λ, the length of the radiating power dividing arm is 0.1-0.4λ, and the length of the half-wave vibrator is 0.35-0.65λ, wherein λ is the wavelength of the central frequency point of the radiating unit.
5. The air microstrip radiating element is characterized by comprising a metal radiating plate, an insulating medium gasket, a metal feed sheet and insulating fixing nails;
one end of the metal feed piece is coupled with the metal radiation plate through an insulating medium gasket, and the other end of the metal feed piece is provided with a feed end which is bent and extended downwards;
one end of the insulating fixing nail sequentially penetrates through the metal radiating plate and the insulating medium gasket to be in threaded connection with the metal feed piece.
6. The air microstrip radiating element according to claim 5, wherein said air microstrip radiating element has an overall height of 1/6 to 1/9 λ.
7. The air microstrip radiating element according to claim 5, wherein said metal feed tab has an L shape, and a width of said metal feed tab is 1 to 20mm;
the cross section of the metal radiation plate is a symmetrical geometric figure, and the length and the width of the cross section are 0.1-1 lambda.
8. A wall-mounted antenna, comprising a reflective base plate and an outer cover covering the reflective base plate, wherein a tri-frequency combiner, a monopole radiating element according to any one of claims 1 to 4 and an air microstrip radiating element according to any one of claims 5 to 7 are arranged on the reflective base plate;
the single-polarized radiation unit comprises an intermediate frequency single-polarized radiation unit and a high-frequency single-polarized radiation unit, a feed arm of the intermediate frequency single-polarized radiation unit is connected with an intermediate frequency connecting end of the three-frequency combiner through a first coaxial cable, and a feed arm of the high-frequency single-polarized radiation unit is connected with a high-frequency connecting end of the three-frequency combiner through a second coaxial circuit;
the air microstrip radiating unit is a low-frequency air microstrip radiating unit, and the feed end of the low-frequency air microstrip radiating unit is connected with the low-frequency connecting end of the three-frequency combiner; and the combining connection end of the three-frequency combiner is connected with the coaxial connector.
9. The wall-mounted antenna according to claim 8, wherein the heights of the feed balun of the intermediate frequency single-polarized radiating element and the high frequency single-polarized radiating element are 0.20-0.30λ, the radiating power division arm length is 0.20-0.35λ, and the half-wave vibrator length is 0.45-0.55λ.
10. The wall-mounted antenna according to claim 8, wherein the overall height of the low-frequency air microstrip radiating element is 1/7-1/9 λ, the width of the metal feeding sheet is 5-12 mm, and the length and width of the cross section of the metal radiating plate are both 0.2-0.5 λ.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311014741.0A CN117080721A (en) | 2023-08-11 | 2023-08-11 | Single polarization radiating element, air microstrip radiating element and wall-mounted antenna |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202311014741.0A CN117080721A (en) | 2023-08-11 | 2023-08-11 | Single polarization radiating element, air microstrip radiating element and wall-mounted antenna |
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| CN117080721A true CN117080721A (en) | 2023-11-17 |
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| CN202311014741.0A Pending CN117080721A (en) | 2023-08-11 | 2023-08-11 | Single polarization radiating element, air microstrip radiating element and wall-mounted antenna |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117353034A (en) * | 2023-12-04 | 2024-01-05 | 中天通信技术有限公司 | Broadband directional ceiling antenna |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN117353034A (en) * | 2023-12-04 | 2024-01-05 | 中天通信技术有限公司 | Broadband directional ceiling antenna |
| CN117353034B (en) * | 2023-12-04 | 2024-03-19 | 中天通信技术有限公司 | Broadband directional ceiling antenna |
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