CN115566412A - Broadband ceramic antenna - Google Patents
Broadband ceramic antennaDownload PDFInfo
- Publication number
- CN115566412A CN115566412ACN202211333827.5ACN202211333827ACN115566412ACN 115566412 ACN115566412 ACN 115566412ACN 202211333827 ACN202211333827 ACN 202211333827ACN 115566412 ACN115566412 ACN 115566412A
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- China
- Prior art keywords
- antenna
- frequency
- low
- ceramic
- band antenna
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- Pending
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- 239000000919ceramicSubstances0.000titleclaimsabstractdescription32
- 239000000758substrateSubstances0.000claimsabstractdescription16
- 239000002184metalSubstances0.000claimsdescription7
- 230000005855radiationEffects0.000abstractdescription4
- 230000007547defectEffects0.000abstractdescription3
- 230000008901benefitEffects0.000description2
- 230000004075alterationEffects0.000description1
- 230000009286beneficial effectEffects0.000description1
- 238000004891communicationMethods0.000description1
- 230000000694effectsEffects0.000description1
- 238000000034methodMethods0.000description1
- 238000012986modificationMethods0.000description1
- 230000004048modificationEffects0.000description1
- 238000012544monitoring processMethods0.000description1
- 230000008569processEffects0.000description1
- 230000009467reductionEffects0.000description1
- 230000006641stabilisationEffects0.000description1
- 238000011105stabilizationMethods0.000description1
- 238000006467substitution reactionMethods0.000description1
Images
Classifications
- 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
- 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
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/52—Means for reducing coupling between antennas; Means for reducing coupling between an antenna and another structure
- H01Q1/521—Means for reducing coupling between antennas; Means for reducing coupling between an antenna and another structure reducing the coupling between adjacent antennas
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
- H01Q21/30—Combinations of separate antenna units operating in different wavebands and connected to a common feeder system
Landscapes
- Variable-Direction Aerials And Aerial Arrays (AREA)
Abstract
Description
Technical Field
The invention belongs to the technical field of antennas, and particularly relates to a broadband ceramic antenna.
Background
The Beidou satellite navigation system is widely applied to the fields of transportation, agriculture, forestry and fishery, hydrological monitoring, communication time service, disaster relief and reduction and the like since the service, and remarkable economic benefit and social benefit are generated. The Beidou satellite navigation third-generation system has a plurality of positioning frequency bands, and the antennas of the conventional mobile terminal equipment/navigation positioning equipment for multi-frequency band positioning all adopt a plurality of antennas, so that the occupied space is large, the two antennas interfere with each other, and the performance of the antennas is reduced.
Disclosure of Invention
The present invention provides a broadband ceramic antenna to solve the problems of the background art.
In order to achieve the purpose, the invention provides the following technical scheme: a broadband ceramic antenna, comprising:
a ceramic substrate carrying an antenna; the low-frequency band antenna is arranged inside the ceramic substrate, and a groove is formed inside the low-frequency band antenna; a high-band antenna disposed within the groove; and the antenna input feed points are respectively arranged on the low-frequency-band antenna and the high-frequency-band antenna.
Furthermore, a plurality of antenna input feed points are arranged on the low-frequency-band antenna, and metal holes are formed in the side edges of the antenna input feed points.
Furthermore, the low-frequency band antenna and the high-frequency band antenna are metalized.
Further, a plurality of antenna input feed points on the low-band antenna are symmetrically arranged.
Compared with the prior art, the invention has the beneficial effects that:
according to the ceramic antenna, the same antenna substrate, namely the ceramic substrate, is adopted for multiple frequency bands, the radiation field of the antenna is not influenced by utilizing the hollow part in the low-frequency band antenna surface, and the high-frequency band antenna is printed in the hollow position of the low-frequency band antenna surface, so that the antenna realizes the miniaturization of the structure, the gain difference of the low-frequency band antenna and the high-frequency band antenna is small, the sharing of the multi-frequency band and multi-system antenna can be effectively realized, the defects of the laminated ceramic antenna can be overcome, and the performance and the reliability of the antenna are effectively improved; the multiple antenna input feed points ensure the axial symmetry of the antenna and realize the stability of the phase center; distributed inductance is added beside an input feed point of the antenna to match antenna standing waves and widen the bandwidth of the antenna standing waves and the gain bandwidth, so that a plurality of positioning frequency bands can be generated on one ceramic substrate, the characteristics of multiple frequency bands are met, and the characteristic of small volume of the antenna is also met; one antenna realizes multiple frequency bands, so that multiple antennas can be replaced, and mutual interference between the two antennas can be overcome.
Drawings
Fig. 1 is a top view of a broadband ceramic antenna according to the present invention.
Fig. 2 is a side view of the present invention.
In the figure: 1. a groove; 2. an antenna input feed point; 3. a high-band antenna; 4. a metal hole; 5. a ceramic substrate; 6. a low band antenna.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-2, the present invention provides the following technical solutions:
a broadband ceramic antenna, comprising: aceramic substrate 5 carrying an antenna; a low-band antenna 6 including a B2A/B2B/B3A/B3I/B3Q/band; the low-frequency band antenna 6 is arranged inside theceramic substrate 5, and a groove 1 is formed inside the low-frequency band antenna 6; the high-frequency band antenna 3 comprises a B1I/B1A/B1C frequency band, the high-frequency band antenna 3 is arranged in the groove 1, the middle of the surface of the low-frequency band antenna 6 is hollowed out to avoid influencing an antenna radiation field, and the high-frequency band antenna 3 is printed in the hollow position of the surface of the low-frequency band antenna 6; an antenna input feed point 2, wherein the antenna input feed point 2 is respectively arranged on the low-frequency band antenna 6 and the high-frequency band antenna 3; antenna input on thelow band antenna 6 is presented a little 2 and is provided with a plurality ofly, a plurality of antenna inputs on thelow band antenna 6 are presented a little 2 symmetry settings, a plurality of points of presenting, the axial symmetry of antenna has been guaranteed, phase place central stabilization has been realized, and the side that the antenna input presented a little 2 is provided with metal hole 4,low band antenna 6, all metalize on the high band antenna 3, metal hole 4 communicates metal covering and metal covering down, generate the distributed inductance, play matching circuit's effect, can optimize the standing wave of antenna.
The working principle and the using process of the invention are as follows: the ceramic antenna adopts the same antenna substrate, namely theceramic substrate 5, the radiation field of the antenna is not influenced by utilizing the middle hollow part of the 6 surfaces of the low-frequency band antenna, and the high-frequency band antenna 3 is printed at the hollow position of the 6 surfaces of the low-frequency band antenna, so that the antenna realizes the miniaturization of the structure, has small gain difference between the low-frequency band antenna and the high-frequency band antenna, can effectively realize the sharing of multi-frequency band and multi-system antennas, can overcome the defects of laminated ceramic antennas, and effectively improve the performance and the reliability of the antenna; the feed points 2 are input by a plurality of antennas, so that the axial symmetry of the antennas is ensured, and the stability of phase centers is realized; distributed inductance is added beside an antenna input feed point 2 to match antenna standing waves and widen the bandwidth of the antenna standing waves and the gain bandwidth, so that a plurality of positioning frequency bands can be generated, the characteristics of multiple frequency bands are met, and the characteristic of small volume of the antenna is also met.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (4)
1. A broadband ceramic antenna, comprising:
a ceramic base (5) carrying an antenna;
the low-frequency antenna (6), the low-frequency antenna (6) is arranged inside the ceramic substrate (5), and a groove (1) is arranged inside the low-frequency antenna (6);
the high-frequency-band antenna (3), the high-frequency-band antenna (3) is arranged in the groove (1);
the antenna comprises an antenna input feed point (2), wherein the antenna input feed point (2) is respectively arranged on a low-frequency-band antenna (6) and a high-frequency-band antenna (3).
2. The broadband ceramic antenna of claim 1, wherein: the antenna input feed points (2) on the low-frequency-band antenna (6) are arranged in a plurality of numbers, and metal holes (4) are formed in the side edges of the antenna input feed points (2).
3. The broadband ceramic antenna of claim 1, wherein: and the low-frequency band antenna (6) and the high-frequency band antenna (3) are metallized.
4. The wideband ceramic antenna of claim 2, wherein: the antenna input feed points (2) on the low-frequency antenna (6) are symmetrically arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211333827.5ACN115566412A (en) | 2022-10-28 | 2022-10-28 | Broadband ceramic antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211333827.5ACN115566412A (en) | 2022-10-28 | 2022-10-28 | Broadband ceramic antenna |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115566412Atrue CN115566412A (en) | 2023-01-03 |
Family
ID=84768819
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211333827.5APendingCN115566412A (en) | 2022-10-28 | 2022-10-28 | Broadband ceramic antenna |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115566412A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1454027A (en)* | 2002-04-25 | 2003-11-05 | 松下电器产业株式会社 | Multi-resonance antenna, antenna module and radio device using multi-resonance antenna |
| CN101707282A (en)* | 2009-12-02 | 2010-05-12 | 扬州万事通通讯电子发展有限公司 | Ceramic mobile phone aerial capable of receiving FM signals |
| CN106129606A (en)* | 2016-06-29 | 2016-11-16 | 北京小米移动软件有限公司 | Ceramic antenna and there is its rear cover structure |
| CN213425205U (en)* | 2020-11-06 | 2021-06-11 | 福州福大信捷天线技术有限公司 | Multi-band combined antenna applied to Beidou portable terminal |
- 2022
- 2022-10-28CNCN202211333827.5Apatent/CN115566412A/enactivePending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1454027A (en)* | 2002-04-25 | 2003-11-05 | 松下电器产业株式会社 | Multi-resonance antenna, antenna module and radio device using multi-resonance antenna |
| US20040004571A1 (en)* | 2002-04-25 | 2004-01-08 | Naoki Adachi | Multiple-resonant antenna, antenna module, and radio device using the multiple-resonant antenna |
| CN101707282A (en)* | 2009-12-02 | 2010-05-12 | 扬州万事通通讯电子发展有限公司 | Ceramic mobile phone aerial capable of receiving FM signals |
| CN106129606A (en)* | 2016-06-29 | 2016-11-16 | 北京小米移动软件有限公司 | Ceramic antenna and there is its rear cover structure |
| CN213425205U (en)* | 2020-11-06 | 2021-06-11 | 福州福大信捷天线技术有限公司 | Multi-band combined antenna applied to Beidou portable terminal |
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