CN218632460U - High order mode removing dielectric microstrip antenna - Google Patents
High order mode removing dielectric microstrip antenna Download PDFInfo
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- CN218632460U CN218632460U CN202223285322.4U CN202223285322U CN218632460U CN 218632460 U CN218632460 U CN 218632460U CN 202223285322 U CN202223285322 U CN 202223285322U CN 218632460 U CN218632460 U CN 218632460U
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- 239000002184 metal Substances 0.000 claims abstract description 61
- 229910052751 metal Inorganic materials 0.000 claims abstract description 61
- 230000005855 radiation Effects 0.000 claims abstract description 45
- 230000008878 coupling Effects 0.000 claims abstract description 29
- 238000010168 coupling process Methods 0.000 claims abstract description 29
- 238000005859 coupling reaction Methods 0.000 claims abstract description 29
- 230000005540 biological transmission Effects 0.000 claims description 2
- 239000000758 substrate Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000010355 oscillation Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
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Abstract
The application discloses a high order mode removing dielectric microstrip antenna, which comprises a dielectric plate, a short circuit post receiving and sending feed point, wherein a radiation patch component is arranged on the surface of the dielectric plate, and an oscillating plate is arranged on the bottom surface of the dielectric plate; the radiation patch component comprises a radiation metal patch, wherein the radiation metal patch is arranged in a square structure, one group of opposite angles are respectively provided with a chamfer angle, the radiation patch component also comprises coupling metal patches which are arranged on the sides of the radiation metal patch in parallel, the coupling metal patches are arranged in a parallelogram structure, and a coupling gap is arranged between the coupling metal patches and the radiation metal patch; the short circuit post and the receiving and transmitting feed point are both positioned on the radiating metal patch, the short circuit post is positioned in the center of the radiating metal patch, and the receiving and transmitting feed point is positioned in the direction perpendicular to one coupling metal patch through the short circuit post. The technical scheme of the application solves the problem that the performance of the antenna is influenced by a high-order mode in the existing microstrip antenna.
Description
Technical Field
The application relates to the technical field of antennas, in particular to a high-order mode removing dielectric microstrip antenna.
Background
With the popularization of wireless intelligent devices, the application of antenna technology to wireless main products is also more and more critical, and a dielectric microstrip antenna structure generally consists of a dielectric substrate, a radiator and a ground plate. The thickness of the dielectric substrate of the dielectric microstrip antenna is far smaller than the wavelength, the metal thin layer at the bottom of the substrate is connected with the grounding plate, the dielectric constant of the dielectric substrate of the microstrip antenna is generally required to be less than or equal to 5, and the thickness h is required to be less than or equal to the wavelength; the shape of the antenna face may be rectangular, circular, triangular or other regular shape. The radiation characteristics also produce different results due to the different shapes of the radiation patches. Compared with other antennas, the microstrip antenna has the advantages of low profile, light weight, easy design of various shapes, suitability for mass production and the like, but the traditional antenna has narrower bandwidth, and the appearance of higher-order modes can be caused when the microstrip antenna is found to be widened in the design, the distortion of the antenna directivity can be influenced by the appearance of the higher-order modes, and an irregularly-shaped radiation pattern is formed
SUMMERY OF THE UTILITY MODEL
The application provides a remove higher mode medium microstrip antenna, solves current microstrip antenna and has the problem that higher mode influences the antenna performance.
The embodiment of the application provides a high-order mode removing dielectric microstrip antenna, which comprises a dielectric plate, wherein a radiation patch component is arranged on the surface of the dielectric plate, and an oscillating plate is arranged on the bottom surface of the dielectric plate; the antenna also comprises a short-circuit column which sequentially penetrates through the radiation patch component and the dielectric plate to be connected with the bottom surface of the dielectric plate, and a receiving and transmitting feed point which sequentially penetrates through the radiation patch component and the dielectric plate to be connected with the oscillating plate;
the radiation patch component comprises a radiation metal patch, wherein the radiation metal patch is arranged in a square structure, one group of diagonal angles are respectively provided with a diagonal angle, the radiation patch component further comprises coupling metal patches which are arranged on each side edge of the radiation metal patch in parallel, the coupling metal patches are arranged in a parallelogram structure, and a coupling gap is arranged between each coupling metal patch and the radiation metal patch;
the short circuit post and the receiving and transmitting feed point are both positioned on the radiating metal patch, the short circuit post is positioned at the central position of the radiating metal patch, and the receiving and transmitting feed point is positioned in the direction in which the short circuit post is vertical to one of the coupling metal patches.
In some embodiments, the dielectric plate is configured as a PCB dielectric plate with a dielectric constant of 2-4.6, and the dielectric plate has a length of 8-20 mm, a width of 10-25 mm, and a thickness of 0.4-1.2 mm.
In some embodiments, the length of each side of the radiating metal patch is set to be 11-12 mm.
In some embodiments, the two oblique angles of the radiating metal patch are respectively set to be 45 ° oblique angle structures, and the lengths of the two oblique angles are respectively set to be 1-2 mm.
In some embodiments, the distance between the transceiver feed point and the shorting post is 2.5-3.5 mm.
In some embodiments, the length of the straight edge of any one of the coupling metal patches is set to be 11-12 mm, and the length of the oblique edge is set to be 1-2 mm.
In some embodiments, the coupling gap is set to 0.5 to 1.2mm.
In some embodiments, the dielectric microstrip antenna has a resonant dominant frequency of 5.73-5.87 Ghz and a return loss of-35 dB to-45 dB.
In some embodiments, the antenna gain of the dielectric microstrip antenna is 6 DB-8 DB.
Compared with the prior art, the beneficial effects of this application are: the structure of the existing microstrip antenna is improved, the structure of the metal patch is changed, the form of one radiation metal patch and four coupling metal patches is adopted, the shape and the size of the metal patch are optimized, and the purpose of removing higher-order modes of the microstrip antenna is achieved.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings 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 application, 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 a schematic diagram of a dielectric microstrip antenna of the present application;
FIG. 2 is a return loss diagram of a dielectric microstrip antenna according to the present application;
FIG. 3 is a three-dimensional gain pattern of the dielectric microstrip antenna of the present application;
the implementation, functional features and advantages of the objectives of the present application will be further explained with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some, but not all, embodiments of the present application.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used in the description of the present application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application.
Referring to fig. 1, the microstrip antenna for removing a higher order mode dielectric provided in this embodiment includes a dielectric plate 1, a radiation patch assembly is disposed on a surface of the dielectric plate 1, and an oscillation plate is mounted on a bottom surface of the dielectric plate 1; the device also comprises a short circuit column 3 which sequentially penetrates through the radiation patch component and the dielectric plate 1 to be connected with the bottom surface of the dielectric plate 1, and a receiving and sending feed point 4 which sequentially penetrates through the radiation patch component and the dielectric plate 1 to be connected with the oscillation plate;
the radiation patch component comprises a radiation metal patch 21, wherein the radiation metal patch 21 is arranged in a square structure, a group of opposite corners are respectively provided with a chamfer angle 23, the radiation patch component also comprises coupling metal patches 22 which are arranged on the sides of the radiation metal patch 21 in parallel, the coupling metal patches 22 are arranged in a parallelogram structure, and a coupling gap is arranged between the coupling metal patches 22 and the radiation metal patch 21;
the short-circuit post 3 and the transceiver feed point 4 are both located on the radiating metal patch 21, the short-circuit post 3 is located at the center of the radiating metal patch 21, and the transceiver feed point 4 is located in a direction perpendicular to one of the coupling metal patches 22 of the short-circuit post 3.
It should be noted that, in this embodiment, the 5.8G microwave mixing excitation signal transmits an electromagnetic wave radiation electric field to the radiation metal patch 21 through the transceiver feed point 4, since the electromagnetic wave satisfies the reciprocity theorem, the transmission and reception of the electromagnetic wave can be exchanged, the electromagnetic wave can be transmitted and received at one feed port, one side of the short circuit pillar 3 and the metal patch ground on the bottom surface of the dielectric plate 1 are connected to the radiation metal patch 21, and in order to suppress the higher-order mode, four coupling metal patches 22 surround four sides of the radiation metal patch 21, receive and radiate energy, and achieve the effect of expanding the wide bandwidth.
Further, the dielectric plate 1 is a PCB dielectric plate 1 with a dielectric constant of 2-4.6, the material is FR4 or Rogers double-sided board, the length of the dielectric plate 1 is 8-20 mm, the width is 10-25 mm, and the thickness is 0.4-1.2 mm.
Further, the radiation metal patch 21 adopts a gold plating process or an oxidation resistant process, and the length of each side is set to be 11-12 mm. The two oblique angles 23 of the radiation metal patch 21 are respectively set to be 45-degree oblique angle 23 structures, and the lengths of the two oblique angles 23 are respectively set to be 1-2 mm.
Furthermore, the distance between the receiving and sending feed point 4 and the short circuit post 3 is 2.5-3.5 mm.
Further, the length of the straight edge of any one of the coupling metal patches 22 is set to be 11-12 mm, and the length of the oblique edge is set to be 1-2 mm.
Further, the coupling gap is set to be 0.5-1.2 mm.
Further, referring to fig. 2, the resonance main frequency of the dielectric microstrip antenna is 5.73 Ghz-5.87 Ghz, and the return loss is-35 dB-45 dB.
Further, referring to fig. 3, the antenna gain of the dielectric microstrip antenna is 6DB to 8DB.
The above description is only a preferred embodiment of the present application, and not intended to limit the scope of the present application, and all the equivalent structures or equivalent processes that can be directly or indirectly applied to other related technical fields by using the contents of the specification and the drawings of the present application are also included in the scope of the present application.
Claims (9)
1. A high order mode removing dielectric microstrip antenna is characterized by comprising a dielectric plate, wherein a radiation patch component is arranged on the surface of the dielectric plate, and an oscillating plate is arranged on the bottom surface of the dielectric plate; the antenna also comprises a short-circuit column which sequentially penetrates through the radiation patch component and the dielectric plate to be connected with the bottom surface of the dielectric plate, and a receiving and transmitting feed point which sequentially penetrates through the radiation patch component and the dielectric plate to be connected with the oscillating plate;
the radiation patch component comprises a radiation metal patch, a coupling metal patch and a radiation metal patch, wherein the radiation metal patch is arranged in a square structure, a group of diagonal angles are respectively arranged at one diagonal angle, the radiation metal patch component further comprises the coupling metal patch which is arranged on each side edge of the radiation metal patch in parallel, the coupling metal patch is arranged in a parallelogram structure, and a coupling gap is arranged between the coupling metal patch and the radiation metal patch;
the short circuit post and the receiving and transmitting feed point are both positioned on the radiating metal patch, the short circuit post is positioned at the central position of the radiating metal patch, and the receiving and transmitting feed point is positioned in the direction in which the short circuit post is vertical to one of the coupling metal patches.
2. The dielectric microstrip antenna according to claim 1 wherein the dielectric plate is a PCB dielectric plate with a dielectric constant of 2-4.6, the dielectric plate has a length of 8-20 mm, a width of 10-25 mm and a thickness of 0.4-1.2 mm.
3. The microstrip antenna according to claim 1 wherein the length of each side of the radiating metallic patch is set to be 11-12 mm.
4. The microstrip antenna according to claim 3 wherein the two angles of the radiating metal patch are respectively set to 45 ° angle structures, and the lengths of the two angles are respectively set to 1-2 mm.
5. The microstrip antenna according to claim 1 wherein the distance between the transmission and reception feed point and the shorting post is 2.5-3.5 mm.
6. The microstrip antenna according to claim 1 wherein the length of the straight side of any one of the coupling metal patches is set to be 11-12 mm, and the length of the oblique side is set to be 1-2 mm.
7. The microstrip antenna according to claim 6 wherein the coupling slot is set to 0.5-1.2 mm.
8. The dielectric microstrip antenna according to any of claims 1 to 7 wherein the dielectric microstrip antenna has a resonant dominant frequency of 5.73Ghz to 5.87Ghz and a return loss of-35 dB to-45 dB.
9. The high order mode removing dielectric microstrip antenna of claim 8 wherein the dielectric microstrip antenna has an antenna gain of 6DB to 8DB.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223285322.4U CN218632460U (en) | 2022-12-07 | 2022-12-07 | High order mode removing dielectric microstrip antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223285322.4U CN218632460U (en) | 2022-12-07 | 2022-12-07 | High order mode removing dielectric microstrip antenna |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218632460U true CN218632460U (en) | 2023-03-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223285322.4U Active CN218632460U (en) | 2022-12-07 | 2022-12-07 | High order mode removing dielectric microstrip antenna |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218632460U (en) |
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2022
- 2022-12-07 CN CN202223285322.4U patent/CN218632460U/en active Active
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Effective date of registration: 20240207 Address after: Room 1305, Building 1, Songhu Zhigu Industrial Building, No. 9, Yanhe South Road, Liaobu Town, Dongguan City, Guangdong Province, 523400 Patentee after: Dongguan Haiyue Intelligent Technology Co.,Ltd. Country or region after: China Address before: 518000 workshop A1, Kangwei science and Technology Park, Hongtian Road, Huangpu Community, Xinqiao street, Bao'an District, Shenzhen, Guangdong Patentee before: SHENZHEN HAIXING TECHNOLOGY Co.,Ltd. Country or region before: China |