CN212810543U - Three-mode broadband antenna and wireless communication equipment - Google Patents
Three-mode broadband antenna and wireless communication equipment Download PDFInfo
- Publication number
- CN212810543U CN212810543U CN202021465596.XU CN202021465596U CN212810543U CN 212810543 U CN212810543 U CN 212810543U CN 202021465596 U CN202021465596 U CN 202021465596U CN 212810543 U CN212810543 U CN 212810543U
- Authority
- CN
- China
- Prior art keywords
- radiation
- holes
- broadband antenna
- metalized
- mode broadband
- 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.)
- Active
Links
Images
Abstract
The utility model discloses a three-mode broadband antenna and wireless communication equipment, the antenna comprises a metal layer, a substrate integrated waveguide and a metal floor which are arranged from top to bottom, wherein the metal layer is connected with the metal floor through a metallized through hole on the substrate integrated waveguide; and a feeder line with a wave port is arranged on one side of the metal layer, two radiation gaps are formed in the metal floor, one radiation gap is a concave radiation gap, and the other radiation gap is an inverted concave radiation gap. The utility model discloses an antenna passes through the spill radiation gap and falls these two radiation gaps of spill radiation gap coupling energy steadily to go out the energy radiation, can realize with very little size that the directional diagram is stable, possess the passband of broad and great gain, antenna structure is compact, and the section is lower, can realize simple three mode broadband performance.
Description
Technical Field
The utility model relates to an antenna, especially a three mould broadband antennas and wireless communication equipment belong to wireless communication antenna technical field.
Background
Substrate Integrated Waveguide (SIW), as an important component of modern wireless communication technology, has the excellent characteristics of low profile and low loss, is easy to integrate with a planar device, is simple and cheap to process, and can be produced in a large scale. The antenna based on the substrate integrated waveguide has high power capacity and high gain, and particularly has better advantages compared with the traditional microstrip circuit due to the low electromagnetic leakage characteristic of the substrate integrated waveguide when the high frequency band is reached.
Modern wireless communication systems are widely applied to various fields in life with the development of technology, and in practical application, a plurality of frequency bands are often required to work simultaneously. If a plurality of antennas are adopted to work in combination to generate a multi-frequency effect, the processing cost and the space loss are increased, and the popularization and the miniaturization of a communication system are not facilitated. In this demand, a multi-frequency antenna technology that can effectively solve this problem is receiving much attention.
Kheirdedin Sellal et al 978-1-4244-3647-7/09/$25.00
IEEE, DECEMBER 2015, "Experimental Study of New-Shaped Slot Integrated Antennas at X-Band," discloses a single frequency antenna based on a substrate Integrated waveguide that uses banana-and V-Shaped slots to achieve bandwidth broadening, but the resulting passband is still somewhat narrow at low frequencies.
Moustapha Mboye et al, "Bandwidth broadband of Dual-Slot Antenna Using Substrate Integrated Antenna (SIW)" published by IEEE ANTENNAS AND WIRELESS program antennas, VOL.12,2013 discloses a Dual-mode wideband Antenna, which achieves the effect of generating two frequency points by two unbalanced slots, has a stable directional pattern, but is too large in size, and still has a slightly insufficient 7.5% of the pass band.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving above-mentioned prior art's weak point, provide a three mould broadband antennas, this antenna passes through the spill radiation gap and falls these two radiation gaps of spill radiation gap coupling energy steadily to go out the energy radiation, can realize with very little size that the directional diagram is stable, possess the passband of broad and great gain, antenna structure is compact, and the section is lower, can realize simple three mould broadband performance.
Another object of the present invention is to provide a wireless communication device.
The purpose of the utility model can be achieved by adopting the following technical scheme:
a three-mode broadband antenna comprises a metal layer, a substrate integrated waveguide and a metal floor which are arranged from top to bottom, wherein the metal layer is connected with the metal floor through a metalized through hole on the substrate integrated waveguide; and a feeder line with a wave port is arranged on one side of the metal layer, two radiation gaps are formed in the metal floor, one radiation gap is a concave radiation gap, and the other radiation gap is an inverted concave radiation gap.
Furthermore, the feeder line is a trapezoidal feeder line, and the wider end of the trapezoidal feeder line is connected with the metal layer.
Further, the two radiation gaps on the metal floor are different in size.
Furthermore, the two radiation gaps on the metal floor are the same in width and different in length, and the bending amplitude between the two ends of the two radiation gaps is the same.
Furthermore, the substrate integrated waveguide comprises a dielectric substrate, wherein three rows of metalized through holes are formed in the dielectric substrate, and are respectively positioned on three sides of the dielectric substrate;
the metal layer is provided with three rows of first through holes at positions corresponding to the three rows of metallized through holes, and the metal floor is provided with three rows of second through holes at positions corresponding to the three rows of metallized through holes.
Furthermore, in the three rows of the metalized through holes, the distance between every two adjacent metalized through holes is the same.
Furthermore, in the three rows of the metalized through holes, the distance between every two adjacent metalized through holes is 1.8 mm-2.2 mm.
Furthermore, in the three rows of the metalized through holes, the diameter of each metalized through hole is 0.8 mm-1.2 mm.
Further, the substrate integrated waveguide comprises a dielectric substrate, wherein the thickness of the dielectric substrate is 0.5 mm-0.6 mm, the dielectric constant is 2.2, and the dielectric loss angle is 0.0009.
The utility model discloses a further purpose can reach through taking following technical scheme:
a wireless communication device comprises the three-mode broadband antenna.
The utility model discloses for prior art have following beneficial effect:
the utility model discloses an antenna has adopted the metal level, the stack structure on substrate integrated waveguide and metal floor, link to each other through the metallization through-hole on the substrate integrated waveguide between metal level and the metal floor, one side of metal level is equipped with the feeder of area ripples port, it has two radiation gaps to open on the metal floor, one of them radiation gap is spill radiation gap, another radiation gap is the spill radiation gap, through the feed ripples port feed, impedance matching effect is better, through spill radiation gap and these two radiation gaps of spill radiation gap coupling energy steadily, and go out the energy radiation, can form three frequency point, be radiation pattern up, the radiation pattern is unanimous and stable, moreover, the steam generator is simple in structure, easily the structure, can use well in the multifrequency radio communication.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
Fig. 1 is an exploded schematic view of a three-mode broadband antenna according to an embodiment of the present invention.
Fig. 2 is a schematic metal layer diagram of a three-mode broadband antenna according to an embodiment of the present invention.
Fig. 3 is a schematic diagram of a metal floor of a three-mode broadband antenna according to an embodiment of the present invention.
Fig. 4 is a simulation graph of return loss of the three-mode broadband antenna according to the embodiment of the present invention.
Fig. 5 is a simulation curve diagram of the E-plane direction of the triple-mode broadband antenna according to the embodiment of the present invention, where the resonant frequency is 9.86 GHz.
Fig. 6 is a simulation graph of the H-plane direction of the triple-mode broadband antenna according to the embodiment of the present invention at the resonant frequency of 9.86 GHz.
Fig. 7 is a simulation curve diagram of the E-plane direction of the three-mode broadband antenna according to the embodiment of the present invention at the resonant frequency of 10.45 GHz.
Fig. 8 is a simulation graph of the H-plane direction of the three-mode broadband antenna according to the embodiment of the present invention at the resonant frequency of 10.45 GHz.
Fig. 9 is a simulation graph of the E-plane direction of the triple-mode broadband antenna according to the embodiment of the present invention at the resonant frequency of 10.95 GHz.
Fig. 10 is a simulation graph of the H-plane direction of the three-mode broadband antenna according to the embodiment of the present invention at the resonant frequency of 10.95 GHz.
The antenna comprises a metal layer 1, a metal layer 101, a first through hole 102, a feeder line 2, a substrate integrated waveguide 201, a dielectric substrate 202, a metalized through hole 202, a metal floor 3, a second through hole 301, a concave radiation gap 302 and an inverted concave radiation gap 303.
Detailed Description
In order to make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the following will combine the drawings in the embodiments of the present invention to clearly and completely describe the technical solution in the embodiments of the present invention, and obviously, the described embodiments are a part of the embodiments of the present invention, rather than all embodiments, based on the embodiments in the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative work belong to the scope of the present invention.
Example (b):
as shown in fig. 1 to fig. 3, the present embodiment provides a three-mode broadband antenna, which can be applied to a wireless communication device, and includes a metal layer 1, a substrate integrated waveguide 2, and a metal floor 3, which are arranged from top to bottom, that is, the metal layer 1 is arranged on the upper surface of the substrate integrated waveguide 2, the metal floor 3 is arranged on the lower surface of the substrate integrated waveguide 2, and the metal layer 1, the substrate integrated waveguide 2, and the metal floor 3 are all rectangular structures.
The substrate integrated waveguide 2 comprises a dielectric substrate 201, three rows of metalized through holes 202 are formed in the dielectric substrate 201, the three rows of metalized through holes 202 are respectively located on three sides of the dielectric substrate 201, and the three rows of metalized through holes 202 are respectively located on the upper side, the lower side and the right side of the dielectric substrate 201 when viewed from the upper surface of the dielectric substrate 201; wherein, the thickness of the dielectric substrate is 0.508mm, the dielectric constant is 2.2, and the dielectric loss angle is 0.0009.
Further, three rows of the metalized through holes 202 are used for simulating the cavity structure, the distance between every two adjacent metalized through holes is the same, in order to prevent the electromagnetic leakage of the substrate integrated waveguide 2, the distance between every two adjacent metalized through holes 202 is 2mm, and the diameter of each metalized through hole 202 is 1 mm.
The metal layer 1 is connected to the metal floor 3 through the metalized through holes 202 on the substrate integrated waveguide 2, in order to connect the metal layer 1 to the metal floor 3 through the metalized through holes 202, the metal layer 1 of the present embodiment is provided with three rows of first through holes 101 at positions corresponding to the three rows of metalized through holes 202, the metal floor 3 is provided with three rows of second through holes 301 at positions corresponding to the three rows of metalized through holes 202, a diameter D of the first through holes 101 is 1mm, and a pitch P between every two adjacent first through holes is 2mm, it can be understood that the diameters and pitches of the second through holes 301 are also the same.
A feed line 102 with a wave port is provided on one side of the metal layer 1, and the feed line 102 is provided on the left side of the metal layer 1 as viewed from the upper surface of the metal layer 1, that is, the feed line 102 is located on the side where the first via 101 is not provided; the feeder line 102 is a ladder feeder line, and the wider end of the ladder feeder line is connected to the metal layer 101, so that current can flow from the narrower end of the ladder feeder line to the wider end and enter the metal layer 1; the feeder line 102 adopts a wave port feeding excitation mode, so that the impedance matching effect is good; the length L of the metal layer 1 is 51mm, the width W is 14mm, the length Lm of the ladder feeder is 5mm, the narrower width Wn of one end is 2mm, and the wider width Wm of one end is 3 mm.
Two radiation gaps are formed in the metal floor 3, one radiation gap is a concave radiation gap 302, the other radiation gap is an inverted concave radiation gap 303, the concave radiation gap 302 and the inverted concave radiation gap 303 are different in size, specifically, the concave radiation gap 302 and the inverted concave radiation gap 303 are the same in width and different in length, the length of the concave radiation gap 302 is larger than that of the inverted concave radiation gap 303, the bending amplitude between the two ends of the concave radiation gap 302 and the two ends of the inverted concave radiation gap 303 are the same, and the sizes of the parts of the concave radiation gap 302 and the inverted concave radiation gap 303 are as follows: l is1＝8.25mm，L2＝6.75mm，Wc＝0.9mm，X＝0.7mm，G＝0.05mm，Lc＝1.8mm。
The concave radiation slot 302 and the inverted concave radiation slot 303 can be coupled out of the TE in the substrate integrated waveguide 2120The energy of the mode is radiated; likewise, they may be coupled out of the TE in the SIW 2, respectively100Die and TE010The energy of the module and the frequency points can be respectively L1And L2Length of (c) and size of G.
As can be seen from the | S11| simulation curve in fig. 4, the three modes of the triple-mode broadband antenna of the present embodiment are completely excited, the center frequencies of the three frequency points are 10.15GHz, 10.63GHz, and 11.0GHz, respectively, the matching is good, and the passband width is 12.46%, which is greatly increased compared with the result in the prior art. Fig. 5 to 6 show E-plane and H-plane direction simulation graphs of a resonant frequency of 9.86GHz and a main polarization gain of 9.01dBi, fig. 7 to 8 show E-plane and H-plane direction simulation graphs of a resonant frequency of 10.45GHz and a main polarization gain of 8.11dBi, and fig. 9 to 10 show E-plane and H-plane direction simulation graphs of a resonant frequency of 10.95GHz and a main polarization gain of 8.01 dBi; the cross-polarization ratio of the three resonant frequencies of 9.86GHz, 10.45GHz and 10.95GHz is approximately below-15 dB.
In this embodiment, the metal layer 1, the metal floor 2, and the hole wall of the metalized through hole 202 are all made of metal materials, preferably copper materials; the wireless communication device can be an electronic device such as a mobile phone and a tablet computer.
To sum up, the utility model discloses an antenna has adopted the metal level, the stack structure on substrate integrated waveguide and metal floor, link to each other through the metallization through-hole on the substrate integrated waveguide between metal level and the metal floor, one side of metal level is equipped with the feeder of area ripples port, it has two radiation gaps to open on the metal floor, one of them radiation gap is spill radiation gap, another radiation gap is the spill radiation gap, through the feed ripples port feed, impedance matching effect is better, through spill radiation gap and these two radiation gaps of spill radiation gap coupling energy steadily, and go out the energy radiation, can form three frequency point, the directional diagram is radiation up, the radiation directional diagram is unanimous and stable, moreover, the steam generator is simple in structure, easily the structure, can use well in the wireless communication of multifrequency.
The above, only be the embodiment of the utility model discloses a patent preferred, nevertheless the utility model discloses a protection scope is not limited to this, and any technical personnel who is familiar with this technical field are in the utility model discloses a within range, according to the utility model discloses a technical scheme and utility model design equivalence substitution or change all belong to the protection scope of the utility model patent.
Claims (10)
1. A three-mode broadband antenna, characterized in that: the metal layer is connected with the metal floor through a metalized through hole on the substrate integrated waveguide; and a feeder line with a wave port is arranged on one side of the metal layer, two radiation gaps are formed in the metal floor, one radiation gap is a concave radiation gap, and the other radiation gap is an inverted concave radiation gap.
2. The triple-mode broadband antenna of claim 1, wherein: the feeder line is a trapezoidal feeder line, and the wider end of the trapezoidal feeder line is connected with the metal layer.
3. The triple-mode broadband antenna of claim 1, wherein: the two radiation gaps on the metal floor are different in size.
4. The triple-mode broadband antenna of claim 2, wherein: the two radiation gaps on the metal floor are the same in width and different in length, and the bending amplitude between the two ends of the two radiation gaps is the same.
5. The triple-mode broadband antenna according to any one of claims 1 to 4, wherein: the substrate integrated waveguide comprises a dielectric substrate, wherein three rows of metalized through holes are formed in the dielectric substrate and are respectively positioned on three sides of the dielectric substrate;
the metal layer is provided with three rows of first through holes at positions corresponding to the three rows of metallized through holes, and the metal floor is provided with three rows of second through holes at positions corresponding to the three rows of metallized through holes.
6. The triple-mode broadband antenna of claim 5, wherein: in the three rows of the metalized through holes, the distance between every two adjacent metalized through holes is the same.
7. The triple-mode broadband antenna of claim 6, wherein: in the three rows of the metalized through holes, the distance between every two adjacent metalized through holes is 1.8 mm-2.2 mm.
8. The triple-mode broadband antenna of claim 5, wherein: and in the three rows of the metalized through holes, the diameter of each metalized through hole is 0.8 mm-1.2 mm.
9. The triple-mode broadband antenna according to any one of claims 1 to 4, wherein: the substrate integrated waveguide comprises a dielectric substrate, wherein the thickness of the dielectric substrate is 0.5-0.6 mm, the dielectric constant is 2.2, and the dielectric loss angle is 0.0009.
10. A wireless communication device, characterized by: comprising a triple-mode broadband antenna according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021465596.XU CN212810543U (en) | 2020-07-23 | 2020-07-23 | Three-mode broadband antenna and wireless communication equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021465596.XU CN212810543U (en) | 2020-07-23 | 2020-07-23 | Three-mode broadband antenna and wireless communication equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212810543U true CN212810543U (en) | 2021-03-26 |
Family
ID=75103679
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021465596.XU Active CN212810543U (en) | 2020-07-23 | 2020-07-23 | Three-mode broadband antenna and wireless communication equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212810543U (en) |
-
2020
- 2020-07-23 CN CN202021465596.XU patent/CN212810543U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US8576023B1 (en) | Stripline-to-waveguide transition including metamaterial layers and an aperture ground plane | |
| WO2006097050A1 (en) | Integrated mm-wave planar array antenna with low loss feeding network | |
| CN106299705A (en) | A kind of planar broad band filter antenna | |
| CN109546348B (en) | Novel miniaturized broadband SW-SIW horn antenna and design method thereof | |
| CN112688081B (en) | Broadband cavity-backed planar slot array antenna based on dielectric integrated waveguide | |
| CN114156659B (en) | Broadband common-caliber dipole array of Sub-6GHz and millimeter wave frequency bands | |
| CN106816696B (en) | A kind of Vivaldi antenna | |
| CN111987422B (en) | Ultralow-profile multi-frequency broadband antenna and communication equipment | |
| CN1996662B (en) | Ultra-wide antenna with the base-integrated wave guide feedback structure | |
| CN105490036B (en) | Filtering micro-strip array antenna that is a kind of series feed and presenting combination | |
| CN111834737A (en) | Dual-band dielectric resonator antenna for millimeter wave application | |
| CN111682312B (en) | Asymmetrically cut patch antenna along E plane | |
| CN109560388A (en) | Millimeter wave broadband circular polarized antenna based on substrate integration wave-guide loudspeaker | |
| CN115458892B (en) | Four-way in-phase unequal power divider based on circular SIW resonant cavity | |
| Tu et al. | Miniaturized CPW-fed slot antenna using stepped impedance resonator | |
| CN212810543U (en) | Three-mode broadband antenna and wireless communication equipment | |
| CN115051163B (en) | Small-size dual polarization patch antenna and wireless communication equipment | |
| CN213692344U (en) | Double-ridge horn antenna | |
| CN111541018B (en) | High-gain steep filtering fusion duplex integrated antenna | |
| CN211670320U (en) | ISGW (integrated signal ground wire) beam scanning leaky-wave antenna | |
| CN102760944A (en) | Omnidirectional radiation vibrator array antenna for loaded coupled feeding | |
| CN113922073A (en) | Compact high-gain single-feed millimeter wave back cavity patch filter antenna | |
| CN113675613A (en) | Single-ridge ultra-wideband H-plane horn antenna based on SIW | |
| CN111326860A (en) | Low cross polarization dual-frequency cavity-backed antenna and wireless communication equipment | |
| CN110534882B (en) | Double-frequency antenna |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |