CN107069182A - A kind of fracton antenna of the wearable VHF frequency ranges of maritime search and rescue - Google Patents
A kind of fracton antenna of the wearable VHF frequency ranges of maritime search and rescue Download PDFInfo
- Publication number
- CN107069182A CN107069182A CN201611014200.8A CN201611014200A CN107069182A CN 107069182 A CN107069182 A CN 107069182A CN 201611014200 A CN201611014200 A CN 201611014200A CN 107069182 A CN107069182 A CN 107069182A
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- antenna
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- rescue
- fracton
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- 230000001154 acute effect Effects 0.000 claims description 4
- 230000005855 radiation Effects 0.000 description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 4
- 239000011889 copper foil Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 229910001369 Brass Inorganic materials 0.000 description 2
- 239000010951 brass Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000010295 mobile communication Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- PEZNEXFPRSOYPL-UHFFFAOYSA-N (bis(trifluoroacetoxy)iodo)benzene Chemical compound FC(F)(F)C(=O)OI(OC(=O)C(F)(F)F)C1=CC=CC=C1 PEZNEXFPRSOYPL-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000013535 sea water Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- 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
- H01Q1/36—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
-
- 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
- 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
Abstract
The present invention discloses a kind of fracton antenna of the wearable VHF frequency ranges of maritime search and rescue, including sheet v-shaped structure, equivalent ground plane and the distributing point being arranged between sheet v-shaped structure and equivalent ground plane, described sheet v-shaped structure includes constituting a V-arrangement after two details of length identical first, two the first details are intersecting, and the midpoint of two the first details has also each extended over the second detail.The antenna structure size that the present invention is realized is small, lightweight, and introduces hatch frame in antennas, and the antenna ratio with hatch frame is not provided with the area relatively low nearly 70% of the antenna of hatch frame；It is easy to use comfortable and the wearable antenna that the present invention is realized can be conformal with human body perfection.Marine single search and rescue system based on inventive antenna structure, can be efficiently against the larger shortcoming of traditional maritime search and rescue system volume and weight.In at sea searching and rescuing, in particularly marine single search and rescue, there is very big application space.
Description
Technical field
The invention belongs to microwave antenna art field, point shape of specifically a kind of wearable VHF frequency ranges of maritime search and rescue
Element antenna.
Background technology
Current existing maritime search and rescue system includes SART system (SART：Search And Rescue
) and emergency position-indicating radiobeacons system (EPIRB Transponder：Emergency Position Indicating Radio
Beacon), be generally used in lifeboat or life raft, volume weight is larger, be unfavorable for seawater one it is overboard when rescue.
At present, the marine single search and rescue device of mature is rarely reported.
Antenna is the device of responsible signal transmitting and receiving in maritime search and rescue device, indispensable.When operating frequency of antenna is relatively low, letter
Number propagate farther out；But antenna size also can accordingly increase.Wearable antenna can be conformal with human body perfection, can be directly integrated in
On the life preserver that persons falling in water is worn, the limitation to antenna size can also be relaxed.
Fractal structure and fractal antenna：1967, Ben Huamandebo (Benoit B.Mandelbrot) existed
《Science》Magazine delivers famous paper《How long is the coast of Britain》, led first in Mathematics Application
Domain proposes the concept of fractal structure.1996, interior gloomy Koln (Nathan Cohen) existed《Communications
Quarterly》Magazine publishes thesis《Fractal loops and the small loop approximation》, using point
Shape structure proposes and devised first fractal antenna in the world.Fractal antenna make use of fractal structure to reduce antenna size
Advantage, be used widely at present.
Wearable antenna：Wearable antenna is a kind of antenna that can be directly integrated on people institute wearing clothes.1999,
Pei Kasa Luonings (Pekka Salonen) et al. are in " International Symposium on Wearable
Published thesis in Computers " meetings《A Small Planar Inverted-F Antenna for Wearable
Applications》, it is proposed that a kind of wearable small-sized plane inverse-F antenna (PIFA：Planar Inverted-F
Antenna), and global mobile communication (GSM is used it for：Global System for Mobile Communication)
In, more Energy and comfort when being used relative to helical antenna before.
Above-mentioned document shows, fractal antenna is because the space complexity of its fractal structure is more than traditional antenna so that it
There is its superiority on antenna miniaturization；Wearable antenna is because can be integrated on the clothing that people is dressed so that it is specific
There are its comfortableness and convenience in.
So far there are no wearable antenna to be applied to the report of the design method in marine single search and rescue device.
The content of the invention
The purpose of the present invention is in view of the deficienciess of the prior art, providing a kind of maritime search and rescue wearable VHF frequency ranges
Fracton antenna.
Technical scheme：It is of the present invention to solve the problems, such as that used technical scheme is：A kind of wearable VHF frequency ranges of maritime search and rescue
Fracton antenna, including sheet v-shaped structure, equivalent ground plane and be arranged between sheet v-shaped structure and equivalent ground plane
Distributing point, described sheet v-shaped structure includes constituting a V after two details of length identical first, two the first details are intersecting
Shape, and two the first details midpoint also each extended over the second detail on the second detail, and the detail of side first with it is another
First detail of side be arranged in parallel, and two the second details are intersecting to constitute an inverted V-shaped.
Further, the lower half midpoint of the first detail described in two is extended with the 3rd detail；The detail of side first
The 3rd detail and the first detail of opposite side extended be arranged in parallel, and two the 3rd details are intersecting to constitute an inverted V-shaped.
Further, the first half midpoint of the first detail described in two is extended with the 3rd detail；The detail of side first
The 3rd detail and the first detail of opposite side extended be arranged in parallel, and the midpoint of two the second details is also extended with the 3rd
Detail；The 3rd detail and the second detail of opposite side extended on the detail of side second be arranged in parallel, two the second detail extensions
The 3rd detail that the 3rd detail gone out extends with two the first detail first half midpoints is corresponding intersect after constitute two inverted V-shapeds.
Further, the bottom of described v-shaped structure is provided with a rectangular planar structure；The rectangular planar structure with it is equivalent
Distributing point is set between ground plane.
Further, it is additionally provided with hatch frame on the first described detail, the second detail and the 3rd detail.
Further, described rectangular planar structure is identical with the size shape of equivalent ground plane.
Further, the horizontal width of all details is 10mm, and the vertical interval of hatch frame is 10mm, and all
The acute angle for saving the V-arrangement angle constituted is 43.6 °.
Beneficial effect：The invention has the advantages that：Compared with prior art, the antenna structure chi that the present invention is realized
It is very little small, it is lightweight, and hatch frame is introduced in antennas, the antenna ratio with hatch frame is not provided with the day of hatch frame
The area relatively low nearly 70% of line；It is easy to use comfortable and the wearable antenna that the present invention is realized can be conformal with human body perfection.Base
In the marine single search and rescue system of inventive antenna structure, can efficiently against traditional maritime search and rescue system volume and weight compared with
Big shortcoming.In at sea searching and rescuing, in particularly marine single search and rescue, there is very big application space.
Brief description of the drawings
Fig. 1 is the structural representation of the embodiment of the present invention 1；
Fig. 2 is Fig. 1 side views in the present invention；
Fig. 3 is the return wave loss parameter figure of the antenna structure of embodiment 1；
Fig. 4 is the E faces of the antenna structure of embodiment 1 and the two-dimensional radiation directional diagram in H faces；
Fig. 5 is the structural representation of the embodiment of the present invention 2；
The side view that Fig. 6 is Fig. 5 in the present invention；
Fig. 7 is the return wave loss parameter figure of the antenna structure of embodiment 2；
Fig. 8 is the E faces of the antenna structure of embodiment 2 and the two-dimensional radiation directional diagram in H faces.
Embodiment
Below in conjunction with the accompanying drawings and specific embodiment, the present invention is furture elucidated, and the present embodiment is with technical solution of the present invention
Premised on lower implemented, it should be understood that these embodiments are only illustrative of the invention and is not intended to limit the scope of the invention.
As shown in Figures 1 to 8, a kind of fracton antenna of the wearable VHF frequency ranges of maritime search and rescue, including sheet V-arrangement knot
Structure 1, equivalent ground plane 2 and the distributing point 3 being arranged between sheet v-shaped structure 1 and equivalent ground plane 2, described sheet V-arrangement knot
Structure 1 includes constituting a V-arrangement, and two first after two the first details of length identical 101, two the first details 101 are intersecting
The midpoint of section 101 has also each extended over the second detail 102 and opposite side on the second detail 102, and the first detail of side 101
The first detail 101 be arranged in parallel, two the second details 102 are intersecting to constitute an inverted V-shapeds.
The lower half midpoint of the first detail 101 described in two is extended with the 3rd detail 103；The first detail of side 101
First detail 101 of the 3rd detail 103 extended and opposite side be arranged in parallel, and two the 3rd details 103 intersect the V of composition one
Shape.
The first half midpoint of the first detail 101 described in two is extended with the 3rd detail 103；The first detail of side 101
First detail 101 of the 3rd detail 103 extended and opposite side be arranged in parallel, and the midpoint of two the second details 102 is also equal
It is extended with the 3rd detail 103；The 3rd detail 103 extended on the second detail of side 102 is parallel with the second detail 102 of opposite side
Set, the 3rd detail 103 and two first half midpoints of the first detail 101 that two the second details 102 extend extend the
Two inverted V-shapeds are constituted after three details 103 correspondence is intersecting.
The bottom of described v-shaped structure 1 is provided with a rectangular planar structure 4；The rectangular planar structure 4 and equivalent ground plane
Distributing point 3 is set between 2；Hatch frame is additionally provided with described the first detail 101, the second detail 102 and the 3rd detail 103
5；Described rectangular planar structure 4 is identical with the size shape of equivalent ground plane 2；The horizontal width of all details is 10mm,
The vertical interval of hatch frame is 10mm, and the acute angle of the V-arrangement angle of all details composition is 43.6 °.
Embodiment 1
As shown in figure 1, the v-shaped structure of antenna and equivalent ground plane make of copper foil in the present embodiment, copper foil material
Using H62 type brass, thickness is 0.02mm.Distributing point is located between v-shaped structure and equivalent ground plane, can use external for example same
Shaft cable is fed, and now the inner core of coaxial cable is connected to v-shaped structure bottom chevron shaped detail intersection, and the outer layer of coaxial cable is led
Body is connected to the centre position at the top of equivalent ground plane.The vertical height 483mm of antenna v-shaped structure, horizontal width 386.4mm；V
All V-arrangement angles (acute angle) are 43.6 ° in shape structure, and the horizontal width of detail is 10mm.The equivalent ground plane of antenna
Vertical height 100mm, horizontal width 386.4mm.
Fig. 3 is the return wave loss parameter figure of this embodiment, as seen from the figure, center of antenna frequency 142MHz, at centre frequency
Return loss -15dB, embodies the good matching properties of antenna.
Fig. 4 is two-dimensional radiation directional diagram of the E faces with H faces of this embodiment, as seen from the figure, antenna maximum gain 2.7dB, most
Large radiation direction is located at horizontal direction.Antenna pattern has good horizontal omnidirectional, and its out-of-roundness is less than 1.3dB
Embodiment 2
As shown in figure 5, the v-shaped structure of antenna and equivalent ground plane make of copper foil in the present embodiment, copper foil material
Using H62 type brass, thickness is 0.02mm.Distributing point is located between v-shaped structure and equivalent ground plane, can use external for example same
Shaft cable is fed, and now the inner core of coaxial cable is connected to v-shaped structure bottom centre position, the outer contact connection of coaxial cable
Centre position at the top of equivalent ground plane.The vertical height 320mm of antenna v-shaped structure, horizontal width 224mm；In v-shaped structure
Bottom is changed into rectangular planar structure, its vertical height 40mm, horizontal width 224mm；All V-arrangement angles are (sharp in v-shaped structure
Angle) it is 43.6 °, the horizontal width of detail is 10mm, and the vertical interval of opening is 10mm.The equivalent ground plane of antenna hang down
Straight height 40mm, horizontal width 224mm.
Fig. 7 is the return wave loss parameter figure of this embodiment, as seen from the figure, center of antenna frequency 142MHz, at centre frequency
Return loss -18dB, embodies the good matching properties of antenna.
Fig. 8 is two-dimensional radiation directional diagram of the E faces with H faces of this embodiment, as seen from the figure, antenna maximum gain 2.5dB, most
Large radiation direction is located at horizontal direction.Antenna pattern has good horizontal omnidirectional, and its out-of-roundness is less than 1.2dB.
In summary, the antenna structure size realized of the present invention is small, lightweight, and introduces hatch frame in antennas,
Antenna ratio with hatch frame is not provided with the area relatively low nearly 70% of the antenna of hatch frame；And the present invention realize can
Dressing antenna can be conformal with human body perfection, easy to use comfortable.Marine single search and rescue system based on inventive antenna structure, energy
Enough efficiently against the larger shortcoming of traditional maritime search and rescue system volume and weight.In at sea searching and rescuing, particularly it is marine one
In search and rescue, there is very big application space.
Described above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, under the premise without departing from the principles of the invention, some improvements and modifications can also be made, these improvements and modifications also should
It is considered as protection scope of the present invention.
Claims (7)
1. a kind of fracton antenna of the wearable VHF frequency ranges of maritime search and rescue, it is characterised in that：Including sheet v-shaped structure (1),
Equivalent ground plane (2) and the distributing point (3) being arranged between sheet v-shaped structure (1) and equivalent ground plane (2), described sheet V
Shape structure (1) includes two details of length identical first (101), two the first details (101) and constitutes a V-arrangement after intersecting, and
The midpoint of two the first details (101) has also each extended on the second detail (102), and the detail of side first (101)
The first detail (101) of two details (102) and opposite side be arranged in parallel, and two the second details (102) are intersecting to constitute an inverted V-shaped.
2. a kind of fracton antenna of the wearable VHF frequency ranges of maritime search and rescue according to claim 1, it is characterised in that：
The lower half midpoint of the first detail (101) described in two is extended with the 3rd detail (103)；The detail of side first (101) prolongs
The first detail (101) of the 3rd detail (103) and opposite side that stretch out is be arranged in parallel, and two the 3rd details (103) are intersecting to be constituted
One inverted V-shaped.
3. a kind of fracton antenna of the wearable VHF frequency ranges of maritime search and rescue according to claim 2, it is characterised in that：
The first half midpoint of the first detail (101) described in two is extended with the 3rd detail (103)；The detail of side first (101) prolongs
The first detail (101) of the 3rd detail (103) and opposite side that stretch out be arranged in parallel, and the midpoint of two the second details (102)
Also it is extended with the 3rd detail (103)；The 3rd detail (103) extended on the detail of side second (102) and the second of opposite side
Detail (102) be arranged in parallel, on the 3rd detail (103) that two the second details (102) are extended and two the first details (101)
The 3rd detail (103) correspondence that half portion midpoint is extended constitutes two inverted V-shapeds after intersecting.
4. a kind of fracton antenna of the wearable VHF frequency ranges of maritime search and rescue according to claim 3, it is characterised in that：
The bottom of described v-shaped structure (1) is provided with a rectangular planar structure (4)；The rectangular planar structure (4) and equivalent ground plane
(2) distributing point (3) is set between.
5. a kind of fracton antenna of the wearable VHF frequency ranges of maritime search and rescue according to claim 4, it is characterised in that：
Hatch frame (5) is additionally provided with described the first detail (101), the second detail (102) and the 3rd detail (103).
6. a kind of fracton antenna of the wearable VHF frequency ranges of maritime search and rescue according to claim 4, it is characterised in that：
Described rectangular planar structure (4) is identical with the size shape of equivalent ground plane (2).
7. a kind of fracton antenna of the wearable VHF frequency ranges of maritime search and rescue according to claim 5, it is characterised in that：
The horizontal width of all details is 10mm, and the vertical interval of hatch frame is 10mm, and the V-arrangement angle that constitutes of all details
Acute angle is 43.6 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611014200.8A CN107069182A (en) | 2016-11-15 | 2016-11-15 | A kind of fracton antenna of the wearable VHF frequency ranges of maritime search and rescue |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611014200.8A CN107069182A (en) | 2016-11-15 | 2016-11-15 | A kind of fracton antenna of the wearable VHF frequency ranges of maritime search and rescue |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107069182A true CN107069182A (en) | 2017-08-18 |
Family
ID=59618545
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611014200.8A Pending CN107069182A (en) | 2016-11-15 | 2016-11-15 | A kind of fracton antenna of the wearable VHF frequency ranges of maritime search and rescue |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107069182A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113067126A (en) * | 2021-03-11 | 2021-07-02 | 中国人民解放军空军通信士官学校 | Wearable short wave communication antenna |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1467874A (en) * | 2002-06-19 | 2004-01-14 | 安德鲁公司 | Single piece twin folded dipole antenna |
| US20040164904A1 (en) * | 2003-02-21 | 2004-08-26 | Allen Tran | Wireless multi-frequency recursive pattern antenna |
| CN206332163U (en) * | 2016-11-15 | 2017-07-14 | 镇江中安通信科技有限公司 | A kind of fracton antenna of the wearable VHF frequency ranges of maritime search and rescue |
-
2016
- 2016-11-15 CN CN201611014200.8A patent/CN107069182A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1467874A (en) * | 2002-06-19 | 2004-01-14 | 安德鲁公司 | Single piece twin folded dipole antenna |
| US20040164904A1 (en) * | 2003-02-21 | 2004-08-26 | Allen Tran | Wireless multi-frequency recursive pattern antenna |
| CN206332163U (en) * | 2016-11-15 | 2017-07-14 | 镇江中安通信科技有限公司 | A kind of fracton antenna of the wearable VHF frequency ranges of maritime search and rescue |
Non-Patent Citations (1)
| Title |
|---|
| HONGBIN LIANG等: ""Design of a Fractal Antenna for Marine Rescue"", 《2016 IEEE INTERNATIONAL SYMPOSIUM ON ANTENNAS AND PROPAGATION (APSURSI)》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113067126A (en) * | 2021-03-11 | 2021-07-02 | 中国人民解放军空军通信士官学校 | Wearable short wave communication antenna |
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