CN116053762A - Wearable dual-frenquency qxcomm technology radiation antenna - Google Patents
Wearable dual-frenquency qxcomm technology radiation antenna Download PDFInfo
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- CN116053762A CN116053762A CN202211695364.7A CN202211695364A CN116053762A CN 116053762 A CN116053762 A CN 116053762A CN 202211695364 A CN202211695364 A CN 202211695364A CN 116053762 A CN116053762 A CN 116053762A
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/27—Adaptation for use in or on movable bodies
- H01Q1/273—Adaptation for carrying or wearing by persons or animals
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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
- H01Q1/48—Earthing means; Earth screens; Counterpoises
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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
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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
- H01Q5/30—Arrangements for providing operation on different wavebands
- H01Q5/307—Individual or coupled radiating elements, each element being fed in an unspecified way
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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- Variable-Direction Aerials And Aerial Arrays (AREA)
Abstract
The application discloses wearable dual-frenquency omnidirectional radiation antenna, the antenna adopts monopole radiator structure, the antenna includes: the high-frequency patch comprises a first medium substrate, a second medium substrate, a third medium substrate, a low-frequency patch, a high-frequency patch and a floor, wherein the low-frequency patch is arranged on the upper surface of the first medium substrate, the high-frequency patch is arranged on the upper surface of the second medium substrate, and the floor is arranged on the lower surface of the third medium substrate; the first medium substrate, the second medium substrate and the third medium substrate are parallel in pairs, the centers of the first medium substrate, the second medium substrate and the third medium substrate are positioned on a straight line, and the straight line is perpendicular to the first medium substrate. The wearable double-frequency omnidirectional radiation antenna has the following advantages: (1) simple structure and convenient design; (2) smaller volume; (3) simultaneously covering two frequency bands of WiFi applications; (4) having a vertical polarization, transmission attenuation can be reduced.
Description
Technical Field
The invention relates to the technical field of wearable antennas, in particular to a wearable dual-frequency omnidirectional radiation antenna.
Background
In recent years, with the rapid development of wireless communication technology, antennas have also been developed rapidly as an essential component for transmitting or receiving radio waves in wireless communication. Among them, the wearable antenna is an antenna mounted on the body such as a human body and an animal, and is widely used in the fields of medical health, military safety, and the like.
Wearable antennas need to meet the requirement of 360 degrees of signal coverage of the device in the horizontal direction, so communication between wearable devices requires the antennas to meet the omnidirectional radiation pattern. In some aspects, an omni-directional radiating monopole antenna operating at 2.45GHz is constructed using a loop element structure. However, the wearable omni-directional antenna proposed at present has a limited coverage frequency range, is difficult to work in a dual-band, and has the defects of low gain, large size, large volume and the like.
Disclosure of Invention
The embodiment of the application provides a wearable dual-frenquency omnidirectional radiation antenna, and this antenna is the dual-frenquency omnidirectional antenna based on monopole structure, has simple structure, convenient design, advantage that the volume is less, is fit for being used for wearable equipment, covers the dual-frenquency of wiFi simultaneously.
The application provides a wearable dual-frenquency omnidirectional radiation antenna, the antenna adopts monopole radiator structure, the antenna includes: the high-frequency patch comprises a first medium substrate, a second medium substrate, a third medium substrate, a low-frequency patch, a high-frequency patch and a floor, wherein the low-frequency patch is arranged on the upper surface of the first medium substrate, the high-frequency patch is arranged on the upper surface of the second medium substrate, and the floor is arranged on the lower surface of the third medium substrate; the first dielectric substrates, the second dielectric substrates and the third dielectric substrates are parallel in pairs, the center positions of the first dielectric substrates, the center positions of the second dielectric substrates and the center positions of the third dielectric substrates are located on a straight line, and the straight line is perpendicular to the first dielectric substrates.
Optionally, in one possible implementation manner, the low-frequency patch is a 2.4GHz low-frequency cross patch, the high-frequency patch is a 5.8GHz high-frequency annular patch, a feeding coaxial line inner conductor of the antenna penetrates through the first dielectric substrate, the second dielectric substrate and the third dielectric substrate, the feeding coaxial line inner conductor is connected with the low-frequency patch, and the feeding coaxial line inner conductor and the low-frequency patch jointly form a monopole structure loaded on a top patch, so that the antenna realizes an omnidirectional radiation function in two frequency bands of 2.4GHz and 5.8GHz under the condition of a low profile.
Optionally, in a possible implementation manner, metal columns are loaded around the low-frequency patch, and the metal columns penetrate through the first dielectric substrate, the second dielectric substrate and the third dielectric substrate and are connected with the floor to form a short-circuit column, and current radiation on the short-circuit column is overlapped to realize omnidirectional radiation.
Alternatively, in one possible implementation, the low-frequency patch adopts a cross-shaped basic structure, and a serpentine structure is introduced at the end of the low-frequency patch so as to prolong the low-frequency current path.
Optionally, in a possible implementation manner, a circular ring slot is arranged at the near feed of the low-frequency patch structure so as to introduce a capacitance effect, thereby compensating inductance components introduced by the coaxial line inner conductor and the short-circuit column.
Optionally, in a possible implementation manner, the high-frequency patch is a circular metal patch, and short-circuit columns are loaded around the high-frequency patch to realize omnidirectional radiation.
Alternatively, in one possible implementation, the high frequency patch is excited by low frequency patch electromagnetic coupling.
The application provides a wearable dual-frenquency omnidirectional radiation antenna, the antenna adopts monopole radiator structure, the antenna includes: the high-frequency patch comprises a first medium substrate, a second medium substrate, a third medium substrate, a low-frequency patch, a high-frequency patch and a floor, wherein the low-frequency patch is arranged on the upper surface of the first medium substrate, the high-frequency patch is arranged on the upper surface of the second medium substrate, and the floor is arranged on the lower surface of the third medium substrate; the first dielectric substrates, the second dielectric substrates and the third dielectric substrates are parallel in pairs, the center positions of the first dielectric substrates, the center positions of the second dielectric substrates and the center positions of the third dielectric substrates are located on a straight line, and the straight line is perpendicular to the first dielectric substrates. The wearable double-frequency omnidirectional radiation antenna has the following advantages:
(1) The structure is simple, and the design is convenient;
(2) The volume is smaller;
(3) Simultaneously covering two frequency bands of WiFi application;
(4) With vertical polarization, transmission attenuation can be reduced.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the application, the drawings that are needed in the description of the embodiments will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural diagram of a wearable dual-frequency omni-directional radiation antenna according to an embodiment of the present application;
fig. 2 is a schematic diagram of an upper surface of a first dielectric substrate in a wearable dual-frequency omni-directional radiation antenna according to an embodiment of the present application;
fig. 3 is a schematic diagram of an upper surface of a second dielectric substrate in a wearable dual-frequency omni-directional radiation antenna according to an embodiment of the present application;
fig. 4 is a reflection coefficient diagram of a wearable dual-frequency omni-directional radiation antenna provided in an embodiment of the present application;
fig. 5 is a 2.4GHz two-dimensional radiation pattern of a wearable dual-frequency omnidirectional radiation antenna provided by an embodiment of the present application;
fig. 6 is a 5.8GHz two-dimensional radiation pattern of a wearable dual-frequency omnidirectional radiation antenna provided by an embodiment of the application.
Detailed Description
In order to make the present application solution better understood by those skilled in the art, the following description will be made in detail and with reference to the accompanying drawings in the embodiments of the present application, it is apparent that the described embodiments are only some embodiments of the present application, not all embodiments. All other embodiments, which can be made by one of ordinary skill in the art based on the embodiments herein without making any inventive effort, shall fall within the scope of the present application.
The following description of the embodiments of the present application will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all, of the embodiments of the present application. All other embodiments, which can be made by those skilled in the art based on the embodiments herein without making any inventive effort, are intended to be within the scope of the present application.
The term "and/or" appearing in the present application may be an association relationship describing an associated object, meaning that there may be three relationships, for example, a and/or B, may represent: a exists alone, A and B exist together, and B exists alone. In this application, the character "/" generally indicates that the associated object is an or relationship.
The terms first, second and the like in the description and in the claims of the present application and in the above-described figures, are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate such that the embodiments described herein may be implemented in other sequences than those illustrated or otherwise described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or modules is not necessarily limited to those steps or modules that are expressly listed or inherent to such process, method, article, or apparatus.
The wearable omnidirectional antenna which has been proposed at present has the defects of limited coverage frequency range, difficulty in working in dual-frequency bands, lower gain, large size, large volume and the like. Accordingly, the present application provides a wearable dual-frequency omni-directional radiating antenna, please refer to fig. 1-3.
The application provides a wearable dual-frenquency omnidirectional radiation antenna includes: a first dielectric substrate 2, a second dielectric substrate 5, a third dielectric substrate 7, a low-frequency patch 1, a high-frequency patch 3, and a floor 8, wherein the low-frequency patch 1 is disposed on the upper surface of the first dielectric substrate 2, the high-frequency patch 3 is disposed on the upper surface of the second dielectric substrate 5, and the floor 8 is disposed on the lower surface of the third dielectric substrate 7; the first dielectric substrate 2, the second dielectric substrate 5 and the third dielectric substrate 7 are parallel to each other, the center position of the first dielectric substrate 2, the center position of the second dielectric substrate 5 and the center position of the third dielectric substrate 7 are positioned on a straight line, and the straight line is perpendicular to the first dielectric substrate 2.
Specifically, the low-frequency patch 1 is a low-frequency cross-shaped short-circuit radiation patch covering 2.4GHz, and the high-frequency patch 3 is a high-frequency annular short-circuit radiation patch covering 5.8 GHz.
The feeding coaxial line inner conductor 9 of the antenna penetrates through the first dielectric substrate 2, the second dielectric substrate 5 and the third dielectric substrate 7, the feeding coaxial line inner conductor 9 is connected with the low-frequency patch 1, and the feeding coaxial line inner conductor 9 and the low-frequency patch 1 jointly form a monopole structure loaded on a top patch, so that the antenna realizes an omnidirectional radiation function in two frequency bands of 2.4GHz and 5.8GHz under the condition of a low profile.
The metal columns 4 are loaded on the periphery of the low-frequency patch 1, the metal columns 4 penetrate through the first dielectric substrate 2, the second dielectric substrate 5 and the third dielectric substrate 7 and are connected with the floor 8 to form short-circuit columns, and current radiation on the short-circuit columns is overlapped to realize omnidirectional radiation.
The four upper short-circuit metal columns 4 are symmetrically distributed around the inner conductor 9 of the feeding coaxial line and are connected with the low-frequency patch 1 and the metal floor 8.
The metal posts 4 serve to improve impedance matching and to achieve miniaturization of the antenna.
The middle layer short circuit metal columns 6 are distributed symmetrically around the inner conductor 9 of the feeding coaxial line and are connected with the high-frequency patch 3 and the floor 8.
The low-frequency patch 1 adopts a cross-shaped basic structure, and a serpentine structure is introduced at the tail of the low-frequency patch 1 so as to prolong a low-frequency current path. Specifically, the low-frequency patch 1 is provided with an annular gap 11 at the feed end and a bending metal wire 10 (serpentine structure) at the tail end to improve impedance matching and prolong the current path to realize miniaturization.
The near-feeding part of the low-frequency patch 1 structure is provided with a circular ring gap so as to introduce a capacitance effect, thereby compensating inductance components introduced by the inner conductor 9 and the metal column 4 of the feeding coaxial line, leading the imaginary part of input impedance to be close to 0 and improving impedance matching.
The high-frequency patch 3 is a circular metal patch, and short-circuit columns are loaded on the periphery of the patch to realize omnidirectional radiation.
The high frequency patch 3 is excited by electromagnetic coupling of the low frequency patch 1.
The first dielectric substrate 2, the second dielectric substrate 5 and the third dielectric substrate 7 all adopt Rogers 5880, the thickness is 0.508 millimeter, the diameters of the short-circuit metal columns are all 0.3 millimeter, the height of the antenna is 12 millimeters, the height of the second dielectric substrate 5 is 5 millimeters, the size of the low-frequency patch 1 is 23 millimeters multiplied by 23 millimeters, the width of the annular gap 11 is 0.3 millimeter, the outer diameter of the high-frequency patch 3 is 12 millimeters, and the inner diameter is 9 millimeters.
As shown in fig. 4, the reflection coefficient diagram of the wearable dual-frequency omnidirectional radiation antenna provided by the application is that the antenna resonates at frequency points of 2.4GHz and 5.8GHz, the working frequencies of the antenna are 2.34GHz-2.68GHz and 5.7GHz-5.88GHz, and the reflection coefficient amplitude is smaller than-10 dB in the working frequency range, so that the working requirement of a WIFI frequency band is met.
As shown in fig. 5 and fig. 6, two-dimensional radiation patterns of the wearable dual-frequency omni-directional radiation antenna provided by the application at 2.4GHz and 5.8GHz are respectively shown, and the antenna realizes an omni-directional radiation pattern at both 2.4GHz and 5.8 GHz.
The foregoing has described in detail a wearable dual-band omni-directional radiating antenna provided by embodiments of the present application, and specific examples have been applied herein to illustrate the principles and implementations of the present application, the description of the foregoing examples being merely intended to facilitate an understanding of the methods of the present application and the core ideas thereof; meanwhile, as those skilled in the art will have modifications in the specific embodiments and application scope in accordance with the ideas of the present application, the present description should not be construed as limiting the present application in view of the above. Although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the corresponding technical solutions.
Claims (7)
1. The utility model provides a wearable dual-frenquency qxcomm technology radiation antenna, its characterized in that, the antenna adopts monopole radiator structure, the antenna includes: a first dielectric substrate, a second dielectric substrate, a third dielectric substrate, a low frequency patch, a high frequency patch and a floor,
the low-frequency patch is arranged on the upper surface of the first dielectric substrate, the high-frequency patch is arranged on the upper surface of the second dielectric substrate, and the floor is arranged on the lower surface of the third dielectric substrate;
the first dielectric substrates, the second dielectric substrates and the third dielectric substrates are parallel in pairs, the center positions of the first dielectric substrates, the center positions of the second dielectric substrates and the center positions of the third dielectric substrates are located on a straight line, and the straight line is perpendicular to the first dielectric substrates.
2. The wearable dual-frequency omni-directional radiation antenna according to claim 1, wherein the low-frequency patch is a 2.4GHz low-frequency cross-shaped patch, the high-frequency patch is a 5.8GHz high-frequency circular patch, the feeding coaxial line inner conductor of the antenna penetrates through the first dielectric substrate, the second dielectric substrate and the third dielectric substrate,
the feeding coaxial line inner conductor is connected with the low-frequency patch, and the feeding coaxial line inner conductor and the low-frequency patch jointly form a monopole structure loaded by the patch at the top, so that the antenna can realize the omnidirectional radiation function at two frequency bands of 2.4GHz and 5.8GHz under the condition of low profile.
3. The wearable dual-frequency omnidirectional radiation antenna of claim 1, wherein metal posts are loaded around the low-frequency patch, and the metal posts penetrate through the first dielectric substrate, the second dielectric substrate and the third dielectric substrate and are connected with the floor to form short-circuit posts, and current radiation on the short-circuit posts is superposed to realize omnidirectional radiation.
4. The wearable dual-frequency omnidirectional radiating antenna of claim 1, wherein the low-frequency patch adopts a cross-shaped basic structure, and a serpentine structure is introduced at the end of the low-frequency patch to lengthen the low-frequency current path.
5. The wearable dual-frequency omni-directional radiating antenna according to claim 1, wherein a circular slot is provided at a near feed of the low frequency patch structure to introduce a capacitive effect to compensate for inductive components introduced by the coaxial inner conductor and the shorting post.
6. The wearable dual-frequency omni-directional radiation antenna according to claim 1, wherein the high-frequency patch is a circular metal patch, and short-circuit columns are loaded around the high-frequency patch to realize omni-directional radiation.
7. The wearable dual-frequency omnidirectional radiating antenna of claim 1, wherein the high frequency patch is excited by low frequency patch electromagnetic coupling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211695364.7A CN116053762A (en) | 2022-12-28 | 2022-12-28 | Wearable dual-frenquency qxcomm technology radiation antenna |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211695364.7A CN116053762A (en) | 2022-12-28 | 2022-12-28 | Wearable dual-frenquency qxcomm technology radiation antenna |
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| CN116053762A true CN116053762A (en) | 2023-05-02 |
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| CN202211695364.7A Pending CN116053762A (en) | 2022-12-28 | 2022-12-28 | Wearable dual-frenquency qxcomm technology radiation antenna |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07162227A (en) * | 1993-12-07 | 1995-06-23 | Matsushita Electric Ind Co Ltd | Polarized wave common-use antenna system |
| CN204516893U (en) * | 2015-02-12 | 2015-07-29 | 深圳市华信天线技术有限公司 | Omnidirectional antenna |
| CN105305060A (en) * | 2015-11-30 | 2016-02-03 | 中国计量学院 | Front circular ring with internal cross center feed antenna |
| CN107221743A (en) * | 2016-03-21 | 2017-09-29 | 中国工程物理研究院电子工程研究所 | A kind of phased array element of broadband and wideangle circular polarisation |
| CN109888487A (en) * | 2019-04-02 | 2019-06-14 | 中天宽带技术有限公司 | A kind of double-frequency omnidirectional antenna |
| CN212033242U (en) * | 2020-04-24 | 2020-11-27 | 昆山联滔电子有限公司 | Microstrip antenna |
-
2022
- 2022-12-28 CN CN202211695364.7A patent/CN116053762A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07162227A (en) * | 1993-12-07 | 1995-06-23 | Matsushita Electric Ind Co Ltd | Polarized wave common-use antenna system |
| CN204516893U (en) * | 2015-02-12 | 2015-07-29 | 深圳市华信天线技术有限公司 | Omnidirectional antenna |
| CN105305060A (en) * | 2015-11-30 | 2016-02-03 | 中国计量学院 | Front circular ring with internal cross center feed antenna |
| CN107221743A (en) * | 2016-03-21 | 2017-09-29 | 中国工程物理研究院电子工程研究所 | A kind of phased array element of broadband and wideangle circular polarisation |
| CN109888487A (en) * | 2019-04-02 | 2019-06-14 | 中天宽带技术有限公司 | A kind of double-frequency omnidirectional antenna |
| CN212033242U (en) * | 2020-04-24 | 2020-11-27 | 昆山联滔电子有限公司 | Microstrip antenna |
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