CN115360497B - Flexible wearable ultra-wideband CPW antenna and preparation method thereof - Google Patents
Flexible wearable ultra-wideband CPW antenna and preparation method thereof Download PDFInfo
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- CN115360497B CN115360497B CN202210865873.3A CN202210865873A CN115360497B CN 115360497 B CN115360497 B CN 115360497B CN 202210865873 A CN202210865873 A CN 202210865873A CN 115360497 B CN115360497 B CN 115360497B
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- 238000002360 preparation method Methods 0.000 title abstract description 7
- 239000000758 substrate Substances 0.000 claims description 23
- 230000007246 mechanism Effects 0.000 claims description 15
- 238000004519 manufacturing process Methods 0.000 claims description 10
- 238000007639 printing Methods 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 claims description 4
- 238000005516 engineering process Methods 0.000 claims description 3
- 238000004088 simulation Methods 0.000 claims description 3
- 239000012780 transparent material Substances 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 14
- 238000005452 bending Methods 0.000 description 11
- 230000000694 effects Effects 0.000 description 6
- 238000005381 potential energy Methods 0.000 description 6
- 230000010287 polarization Effects 0.000 description 3
- 230000005855 radiation Effects 0.000 description 3
- 240000009087 Crescentia cujete Species 0.000 description 2
- 235000005983 Crescentia cujete Nutrition 0.000 description 2
- 235000009797 Lagenaria vulgaris Nutrition 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000012360 testing method 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
- H01Q1/12—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
- H01Q1/27—Adaptation for use in or on movable bodies
- H01Q1/273—Adaptation for carrying or wearing by persons or animals
-
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
- H01R13/639—Additional means for holding or locking coupling parts together, after engagement, e.g. separate keylock, retainer strap
-
- 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
Abstract
The invention belongs to the technical field of flexible antennas and preparation, and relates to a flexible wearable ultra-wideband CPW antenna and a preparation method thereof.
Description
Technical Field
The invention belongs to the technical field of flexible antennas and preparation, and relates to a flexible wearable ultra-wideband CPW antenna and a preparation method thereof.
Background
The coplanar waveguide (CPW) has the advantages of small volume, light weight, high structural planarization degree, easy linear polarization, circular polarization, double polarization and multiband operation, wide application in the current wireless communication, and more important functions in MMIC circuits, particularly in millimeter wave bands, as a microwave planar transmission line with good performance and low processing difficulty, and more performance advantages of the coplanar waveguide compared with a microstrip line. Compared with the traditional microstrip transmission line, the coplanar waveguide is easy to manufacture, the series-parallel connection of passive devices and active devices in a microwave circuit is easy to realize, and the circuit density is easy to improve.
Patent CN110994145a discloses a CPW fed regular polygon nested fractal ultra wideband antenna, the antenna adopts the proposed regular polygon nested fractal structure through the antenna main body part, and can select reasonable dimensions according to practical experiment requirements, but the antenna is only buckled and sleeved through an external clamping and embedding structure when being installed with nesting, so that the fastness is poor, the antenna is easy to fall off in subsequent use, and the use effect of the antenna is reduced.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and designs and provides a flexible wearable ultra-wideband CPW antenna and a preparation method thereof.
In order to achieve the above purpose, the flexible wearable ultra-wideband CPW antenna comprises an antenna substrate and a sleeving mechanism, wherein a first antenna grounding plate is fixedly arranged on the front end wall of the upper side of the antenna substrate, a second antenna grounding plate is fixedly arranged on the front end wall of the lower side of the antenna substrate, the sleeving mechanism used for firmly and efficiently clamping the antenna is arranged on the inner sides of the first antenna grounding plate and the second antenna grounding plate, a wiring is clamped between the sleeving mechanisms, the right end of the wiring is fixedly connected with a wire root, and the left side of the wiring is fixedly connected with a wire head.
Preferably: the sleeve penetrating mechanism comprises a telescopic groove, a jacket is embedded in the telescopic groove, side grooves are formed in two sides of the telescopic groove, a sliding rod is fixedly mounted in the side grooves, a sliding sleeve is sleeved on the side wall of the sliding rod, and a spring is fixedly connected to the outer end wall of the sliding sleeve.
Preferably: the jacket is semi-circular in shape.
Preferably: the outer end of the sliding sleeve is fixedly connected with one end of the spring, and the other end of the spring is fixedly connected with the inner wall of the side groove.
Preferably: the thickness dimension of the sliding sleeve is matched with the thickness dimension of the side groove.
Preferably: the shape of wiring is calabash shape and is flexible printing material.
The specific process for preparing the flexible wearable ultra-wideband CPW antenna comprises the following steps:
(1) Manufacturing an antenna substrate by using a flexible transparent material;
(2) The antenna structure is designed, a first antenna grounding plate is arranged on the front end wall of the upper side of an antenna substrate, a second antenna grounding plate is arranged on the front end wall of the lower side of the antenna substrate, wiring is clamped between the first antenna grounding plate and the inner side of the second antenna grounding plate, the right end of the wiring is fixedly connected with a wire root, the left side of the wiring is fixedly connected with a wire head, the thickness of the antenna substrate is set to be 1.6mm, the wiring radius of the gourd-shaped structure is 1.5mm, and the width of the wire root is 3.8mm;
(3) After simulation experiments are carried out on the designed antenna structure, the antenna is printed by adopting the existing printing technology according to the designed antenna structure, and the manufacture of the antenna is completed.
Compared with the prior art, the invention has the beneficial effects that: the semicircular jackets are pulled outwards through the front side and the rear side to slide outwards in the telescopic grooves respectively, the sliding sleeves on the two sides are driven to slide outwards on the outer walls of the sliding rods to squeeze the springs to generate potential energy, the wiring and the wire roots of the antenna to be worn are downwards placed in the gap between the first antenna grounding plate and the second antenna grounding plate, the tension of the jackets is released, the springs release the potential energy, simultaneously push the sliding sleeves to drive the jackets to stretch out from the telescopic grooves to firmly clamp the wiring and the wire root positions of the antenna to achieve a stable sleeving effect, looseness in the using process is avoided, meanwhile, the wire heads adopt flexible printing materials to enable the electrical performance of the base materials of the antenna to be stable, a certain range of stable radiation characteristics can be ensured under different conditions, the using effect of the antenna is improved, and the antenna can be installed on a car headlight, a windshield, a rear vision mirror, a small aircraft cab windshield and an unmanned aerial vehicle camera protection cover.
Drawings
FIG. 1 is a top cross-sectional view of the present invention;
FIG. 2 is a partial perspective view of the pull-through mechanism of the present invention;
fig. 3 is a top view of the antenna body of the present invention;
FIG. 4 is a current diagram of the frequency points in embodiment 2 of the present invention, wherein (a) - (e) are current diagrams of the frequency points of 3.3GHz, 6.05GHz, 12.8GHz, 16.62GHz and 18.11GHz, respectively;
FIG. 5 is a diagram of frequency points according to embodiment 2 of the present invention, wherein (a) - (e) are diagrams of frequency points 3.3GHz, 6.05GHz, 12.8GHz, 16.62GHz, and 18.11GHz, respectively;
FIG. 6 is a gain diagram of the frequency points in embodiment 2 of the present invention, wherein (a) - (e) are gain diagrams of the frequency points of 3.3GHz, 6.05GHz, 12.8GHz, 16.62GHz and 18.11GHz respectively;
fig. 7 is a graph showing the gain of the antenna according to the embodiment 2 of the present invention;
fig. 8 is an S11 diagram of an antenna after different bending along the X-axis according to embodiment 2 of the present invention;
FIG. 9 is a S11 diagram of an antenna with different bending of the Y-axis according to embodiment 2 of the present invention
In the figure:
1. an antenna substrate; 2. a thread end; 3. a first antenna ground plate; 4. a second antenna ground plate; 5. wiring; 6. a wire root; 701. a telescopic slot; 702. a jacket; 703. a side groove; 704. a slide bar; 705. a sliding sleeve; 706. and (3) a spring.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Example 1:
the structure of the flexible wearable ultra wideband CPW antenna according to this embodiment is shown in fig. 1-3, and the flexible wearable ultra wideband CPW antenna comprises an antenna substrate 1 and a sleeving mechanism, wherein a first antenna grounding plate 3 is fixedly installed on the front end wall of the upper side of the antenna substrate 1, a second antenna grounding plate 4 is fixedly installed on the front end wall of the lower side of the antenna substrate 1, the sleeving mechanism for firmly and efficiently clamping the antenna is installed on the inner sides of the first antenna grounding plate 3 and the second antenna grounding plate 4, a wiring 5 is clamped between the sleeving mechanisms, a wire root 6 is fixedly connected to the right end of the wiring 5, and a wire head 2 is fixedly connected to the left side of the wiring 5; the sleeving mechanism comprises a telescopic groove 701, a jacket 702 is embedded in the telescopic groove 701, side grooves 703 are formed in two sides of the telescopic groove 701, a sliding rod 704 is fixedly arranged in the side grooves 703, a sliding sleeve 705 is sleeved on the side wall of the sliding rod 704, and a spring 706 is fixedly connected with the outer end wall of the sliding sleeve 705; the semicircular jackets 702 are pulled out from the front side and the rear side to enable the semicircular jackets 702 to slide outwards in the telescopic grooves 701 respectively, the sliding sleeves 705 on the two sides are driven to slide outwards on the outer walls of the sliding rods 704 to squeeze the springs 706 to enable potential energy to be generated, the wiring 5 and the wire root 6 of the antenna to be worn are placed downwards in a gap between the first antenna grounding plate 3 and the second antenna grounding plate 4, the tension on the jackets 702 is released, the springs 706 release the potential energy, and meanwhile the sliding sleeves 705 are pushed towards the center to drive the jackets 702 to stretch out from the telescopic grooves 701 to firmly clamp the wiring 5 and the wire root 6 of the antenna, so that a stable wearing effect is achieved.
Specifically, the jacket 702 is semi-circular in shape; the clamping sleeve is convenient to be attached to the antenna body more; the outer end of the sliding sleeve 705 is fixedly connected with one end of a spring 706, and the other end of the spring 706 is fixedly connected with the inner wall of the side groove 703; providing convenience for the antenna sleeving process; the thickness of the sliding sleeve 705 is matched with the thickness of the side groove 703; the antenna is sleeved more stably; the wiring 5 is in a calabash shape and is made of flexible printing materials; the antenna has stable electrical performance and can ensure stable radiation characteristics in a certain range under different conditions.
Workflow and principle of this embodiment: the semicircular jackets 702 are pulled to the outside of the front side and the rear side to enable the semicircular jackets 702 to slide outwards in the telescopic grooves 701 respectively, the sliding sleeves 705 on the two sides are driven to slide outwards on the outer wall of the sliding rod 704 to squeeze the springs 706 to enable potential energy to be generated, the wiring 5 and the wire roots 6 of the antenna to be worn are placed downwards in a gap between the first antenna grounding plate 3 and the second antenna grounding plate 4, the tension to the jackets 702 is released, the springs 706 release the potential energy, simultaneously push the sliding sleeves 705 to drive the jackets 702 to stretch out from the telescopic grooves 701 to firmly clamp the wiring 5 and the wire roots 6 of the antenna to achieve a stable sleeving effect, loosening in the use process is avoided, meanwhile, the wire heads 2 are made of flexible printing materials to enable the electric performance of the base materials of the antenna to be stable, and certain range of stable radiation characteristics can be ensured under different conditions.
Example 2:
the specific process for preparing the flexible wearable ultra-wideband CPW antenna of embodiment 1 in this embodiment is as follows:
(1) Manufacturing an antenna substrate by using a flexible transparent material;
(2) The antenna structure is designed, a first antenna grounding plate is arranged on the front end wall of the upper side of an antenna substrate, a second antenna grounding plate is arranged on the front end wall of the lower side of the antenna substrate, wiring is clamped between the first antenna grounding plate and the inner side of the second antenna grounding plate, the right end of the wiring is fixedly connected with a wire root, the left side of the wiring is fixedly connected with a wire head, the thickness of the antenna substrate is set to be 1.6mm, the wiring radius of the gourd-shaped structure is 1.5mm, and the width of the wire root is 3.8mm;
(3) After simulation experiments are carried out on the designed antenna structure, the antenna is printed by adopting the existing printing technology according to the designed antenna structure, and the manufacture of the antenna is completed.
Specifically, the thickness of the antenna substrate is set to be 1.6mm, the bandwidth of the antenna is 3.3 GHz-18.11 GHz, the requirement of an ultra wideband antenna can be fully met, specific frequency points of 3.3GHz, 6.05GHz, 12.8GHz, 16.62GHz and 18.11GHz are analyzed, a current diagram is shown in fig. 4, a direction diagram is shown in fig. 5, a gain diagram is shown in fig. 6, and a gain versus frequency diagram of the antenna prepared by the embodiment is shown in fig. 7.
In the embodiment, bending tests are carried out on the prepared antenna, in Ansys HFSS software, a cylinder is respectively arranged on an X axis and a Y axis, the antenna is attached to the cylinder by using a Warp Sheet function, so that the effect of simulating the bending of the antenna is achieved, 3 bending radiuses of 200mm, 100mm and 50mm are arranged in the X axis direction, an S11 diagram is shown in figure 8, when the bending radius is smaller, the bending angle of the antenna is larger, the influence on the performance of the antenna is larger, and bending to a certain extent can ensure that the performance of the antenna is basically achieved and the basic function of the antenna is not excessively influenced; the S11 diagram of the Y-axis direction is shown in figure 9, wherein the smaller the bending radius is, the larger the bending of the antenna is, the larger the influence on the performance of the antenna is, and the bending to a certain extent on the Y-axis can still ensure the performance of the antenna to be basically realized, and the basic functions of the antenna are not excessively influenced.
The foregoing is a further elaboration of the present invention in connection with the detailed description, and it is not intended that the invention be limited to the specific embodiments shown, but rather that a number of simple deductions or substitutions be made by one of ordinary skill in the art without departing from the spirit of the invention, should be considered as falling within the scope of the invention as defined in the appended claims.
Claims (2)
1. The flexible wearable ultra-wideband CPW antenna is characterized by comprising an antenna substrate and a sleeving mechanism, wherein a first antenna grounding plate is fixedly arranged on the front end wall of the upper side of the antenna substrate, a second antenna grounding plate is fixedly arranged on the front end wall of the lower side of the antenna substrate, the sleeving mechanism used for firmly clamping the antenna is arranged on the inner sides of the first antenna grounding plate and the second antenna grounding plate, a wiring is clamped between the sleeving mechanisms, the right end of the wiring is fixedly connected with a wire root, and the left side of the wiring is fixedly connected with a wire head; the sleeve penetrating mechanism comprises a telescopic groove, a jacket is embedded in the telescopic groove, side grooves are formed in two sides of the telescopic groove, a sliding rod is fixedly arranged in the side grooves, a sliding sleeve is sleeved on the side wall of the sliding rod, and a spring is fixedly connected to the outer end wall of the sliding sleeve; the shape of the jacket is a semicircle ring; the outer end of the sliding sleeve is fixedly connected with one end of the spring, and the other end of the spring is fixedly connected with the inner wall of the side groove; the thickness of the sliding sleeve is matched with that of the side groove; the shape of the wiring is calabash-shaped and is made of flexible printing materials.
2. A method for manufacturing the flexible wearable ultra-wideband CPW antenna of claim 1, comprising the steps of:
manufacturing an antenna substrate by using a flexible transparent material;
designing an antenna structure, wherein a first antenna grounding plate is arranged on the front end wall of the upper side of an antenna substrate, a second antenna grounding plate is arranged on the front end wall of the lower side of the antenna substrate, a sleeve penetrating mechanism is arranged on the inner sides of the first antenna grounding plate and the second antenna grounding plate, a wiring is clamped between the sleeve penetrating mechanisms, the right end of the wiring is fixedly connected with a wire root, the left side of the wiring is fixedly connected with a wire head, the thickness of the antenna substrate is set to be 1.6mm, the wiring radius of the gourd-shaped structure is 1.5mm, and the width of the wire root is 3.8mm;
after simulation experiments are carried out on the designed antenna structure, the antenna is printed by adopting the existing printing technology according to the designed antenna structure, and the manufacture of the antenna is completed.
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JP2016136666A (en) * | 2015-01-23 | 2016-07-28 | 有限会社Nazca | Transmission line |
CN209150353U (en) * | 2018-12-31 | 2019-07-23 | 武汉微谷科技有限公司 | A kind of linear array antenna cross feed connector |
CN213186187U (en) * | 2020-11-11 | 2021-05-11 | 昆山睿翔讯通通信技术有限公司 | Mobile phone with external antenna |
WO2022061724A1 (en) * | 2020-09-25 | 2022-03-31 | 华为技术有限公司 | Feed structure, antenna, and communication device |
CN216214088U (en) * | 2021-10-12 | 2022-04-05 | 青鸟消防股份有限公司 | Omnidirectional antenna and equipment applied to Internet of things |
CN218677539U (en) * | 2022-07-22 | 2023-03-21 | 青岛大学 | Novel flexible wearable ultra wide band CPW antenna |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
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WO2005064747A1 (en) * | 2003-12-30 | 2005-07-14 | Telefonaktiebolaget Lm Ericsson (Publ) | Antenna device, and array antenna, with planar notch element feed |
CN101752675B (en) * | 2008-12-16 | 2013-05-29 | 深圳富泰宏精密工业有限公司 | Double-frequency antenna and wireless communication device applying same |
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Patent Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
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JPH0918215A (en) * | 1995-06-27 | 1997-01-17 | Smk Corp | Antenna device |
WO2002054536A1 (en) * | 2000-12-29 | 2002-07-11 | Allgon Ab | Antenna with a non-radiating coupling portion |
EP1686651A2 (en) * | 2005-01-31 | 2006-08-02 | Fujitsu Component Limited | Antenna apparatus and electronic device |
JP2016136666A (en) * | 2015-01-23 | 2016-07-28 | 有限会社Nazca | Transmission line |
CN209150353U (en) * | 2018-12-31 | 2019-07-23 | 武汉微谷科技有限公司 | A kind of linear array antenna cross feed connector |
WO2022061724A1 (en) * | 2020-09-25 | 2022-03-31 | 华为技术有限公司 | Feed structure, antenna, and communication device |
CN213186187U (en) * | 2020-11-11 | 2021-05-11 | 昆山睿翔讯通通信技术有限公司 | Mobile phone with external antenna |
CN216214088U (en) * | 2021-10-12 | 2022-04-05 | 青鸟消防股份有限公司 | Omnidirectional antenna and equipment applied to Internet of things |
CN218677539U (en) * | 2022-07-22 | 2023-03-21 | 青岛大学 | Novel flexible wearable ultra wide band CPW antenna |
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