CN110085974A - Three frequency band wearable antenna of dendroid - Google Patents
Three frequency band wearable antenna of dendroid Download PDFInfo
- Publication number
- CN110085974A CN110085974A CN201910346263.0A CN201910346263A CN110085974A CN 110085974 A CN110085974 A CN 110085974A CN 201910346263 A CN201910346263 A CN 201910346263A CN 110085974 A CN110085974 A CN 110085974A
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- CN
- China
- Prior art keywords
- branch
- shape branch
- shape
- rectangle
- dendroid
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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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
- H01Q1/27—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
-
- 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
- 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
- H01Q5/28—Arrangements for establishing polarisation or beam width over two or more different wavebands
-
- 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
Landscapes
- Variable-Direction Aerials And Aerial Arrays (AREA)
Abstract
The invention discloses a kind of three frequency band wearable antennas of dendroid.It includes substrate, right L shape branch, centre L shape branch, rectangle branch connection strap, pommel, left L shape branch, rectangle earth plate；Wherein right L shape branch, centre L shape branch, rectangle branch connection strap, pommel, left L shape branch are respectively positioned on substrate face position, and right L shape branch, centre L shape branch, left L shape branch are arranged successively by sequence from right to left, rectangle branch connection strap and right L shape branch, centre L shape branch, left L shape branch lower end be connected, and rectangle branch connection strap lower end pommel identical with material is connected；Rectangle earth plate is located at substrate back position, and its bottom edge is overlapped with the bottom edge of substrate.The advantages that three frequency band wearable antenna of dendroid of the invention has structure simple, effectively bonds with clothing, and size is small, and radiation characteristic is good, at low cost meets the application requirement in wearable wireless communication field.
Description
Technical field
The present invention relates in wearable wireless communications application technical field, and in particular to a kind of three frequency band of dendroid is wearable
Antenna.
Background technique
As one of field of antenna new antenna, wearable antenna has the characteristics of different from general antenna.Firstly, can
Wearing antenna is a kind of electronic equipment that can be implanted in clothing, and there is a variety of versions to be typically mostly used soft
Property material or textile material be made, the antenna designed in this way can be more easier to keep conformal with human body, and opposite
For it is more light, be also easy to carry.Secondly, wearable antenna is as one kind in conformal antenna, since it is attached to human body
Surface, it is also necessary to consider its influencing each other between human body.
Wearable antenna suffers from huge application value in fields such as medical treatment.It, can be day such as in terms of medical treatment
Line, sensor and Medical Devices are placed on human body together, the data transmission detected by day bundle of lines to the network terminal, with
Just patient body state can be monitored in real time in doctor, and especially in China with the increase of elderly population, wearable antenna is to old
The service of year people's health care is also highly to expect.With going deep into for research, wearable antenna will further develop
With grow up, have vast potential for future development.Existing antenna structure is complicated, size is larger, production is difficult, loss is big, because
This is actually answered there is an urgent need to develop the new antenna that a kind of structure is simple, size is smaller, radiation characteristic is good, at low cost to meet
Needs.
Summary of the invention
It is an object of the invention to solve problems of the prior art, and it is wearable to provide a kind of three frequency band of dendroid
Antenna.Technical scheme is as follows:
Three frequency band wearable antenna of dendroid, it includes substrate, right L shape branch, centre L shape branch, the connection of rectangle branch
Item, pommel, left L shape branch, rectangle earth plate；Wherein right L shape branch, centre L shape branch, rectangle branch connection strap, pommel, a left side
L shape branch is respectively positioned on substrate face position, and right L shape branch, centre L shape branch, left L shape branch by sequence from right to left according to
The horizontal segment of secondary arrangement, right L shape branch and left L shape branch is located at upper end, and the horizontal segment of centre L shape branch is located at lower end, square
Shape branch connection strap and right L shape branch, centre L shape branch, left L shape branch lower end be connected, and rectangle branch connection strap lower end
Pommel identical with material is connected, and the lower end of pommel is overlapped with the bottom edge of substrate；Rectangle earth plate is located at substrate back position, and
Its bottom edge is overlapped with the bottom edge of substrate, and two sides are also overlapped with two sides of substrate.
Following preferred embodiment can be used in each component design parameter in above scheme.
The substrate material therefor is polyester material, and substrate length is 33~35mm, and width is 32~34mm, with a thickness of
1.8~2mm.
The right L shape branch length is 14~16mm, and left and right span is 3~5mm, and aperture width is 1~2mm.
The intermediate L shape branch length is 14~16mm, and left and right span is 4~6mm, and aperture width is 1~2mm.
The rectangle branch connection strap length is 18~20mm, and width is 1~2mm.
The pommel length is 8~10mm, and width is 2~4mm.
The left L shape branch length is 8~10mm, and left and right span is 3~5mm, and aperture width is 1~2mm.
The rectangle earth plate length is 32~34mm, and width is 10~12mm.
Three frequency band wearable antenna of dendroid of the invention has structure simple, effectively bonds with clothing, size is small, spoke
The advantages that characteristic is good, at low cost is penetrated, the application requirement in wearable wireless communication field is met.
Detailed description of the invention
Fig. 1 is three frequency band wearable antenna front elevation of dendroid；
Fig. 2 is that test obtains three frequency band wearable antenna return loss plot of dendroid；
Fig. 3 is that test obtains the antenna face E, H surface radiation directional diagram in 2.4GHz；
Fig. 4 is that test obtains the antenna face E, H surface radiation directional diagram in 3.5GHz；
Fig. 5 is that test obtains the antenna face E, H surface radiation directional diagram in 5.5GHz；
Fig. 6 is the surface current figure of antenna patch in 2.4GHz；
Fig. 7 is the surface current figure of antenna patch in 3.5GHz；
Fig. 8 is the surface current figure of antenna patch in 5.5GHz.
Specific embodiment
As shown in Figure 1, a kind of three frequency band wearable antenna of dendroid, it includes substrate 1, right L shape branch 2, centre L shape point
Branch 3, rectangle branch connection strap 4, pommel 5, left L shape branch 6, rectangle earth plate 7.Wherein right L shape branch 2, centre L shape branch 3,
Rectangle branch connection strap 4, pommel 5, left L shape branch 6 fit in 1 front position of substrate.Right L shape branch 2, centre L shape branch
3, the L-shape that left L shape branch 6 is made of horizontal segment and vertical section, and right L shape branch 2, centre L shape branch 3, left L shape
Branch 6 is arranged successively by sequence from right to left, and the horizontal segment of right L shape branch 2 and left L shape branch 6 is located at upper end, and centre L
The horizontal segment of shape branch 3 is located at lower end.The horizontal segment of right L shape branch 2 and left L shape branch 6 is located at close to intermediate L shape branch
The horizontal segment of 3 sides, intermediate L shape branch 3 is located at close to 6 side of left L shape branch.Rectangle branch connection strap 4 and right L shape branch 2,
Intermediate L shape branch 3, the lower end of left L shape branch 6 are connected, the right edge of right L shape branch 2 right side edge and rectangle branch connection strap 4
Edge is concordant, and the left side edge of left L shape branch 6 is concordant with the left side edge of rectangle branch connection strap 4.And rectangle branch connection strap 4
The upper end of lower end pommel 5 identical with material is connected, and the horizontal segment left side edge and 5 left side edge of pommel of intermediate L shape branch 3 are flat
Together.The lower end of pommel 5 is overlapped with the bottom edge of substrate 1.Therefore, three L shape branches and rectangle branch connection strap 4, the common structure of pommel 5
At the shape of dendroid fork point.Rectangle earth plate 7 is located at 1 back position of substrate, and its bottom edge is overlapped with the bottom edge of substrate 1,
Two sides are also overlapped with two sides of substrate 1.
The design parameter of each device is as follows: 1 material therefor of substrate is polyester material, and substrate length is 33~35mm, width
For 32~34mm, with a thickness of 1.8~2mm.2 length of right L shape branch is 14~16mm, and left and right span is 3~5mm, aperture width
For 1~2mm.3 length of intermediate L shape branch is 14~16mm, and left and right span is 4~6mm, and aperture width is 1~2mm.Rectangle point
4 length of branch connection strap is 18~20mm, and width is 1~2mm.5 length of pommel is 8~10mm, and width is 2~4mm.Left L shape point
6 length of branch are 8~10mm, and left and right span is 3~5mm, and aperture width is 1~2mm.7 length of rectangle earth plate is 32~34mm,
Width is 10~12mm.For three L shape branches, aperture width refers to that the rectangle of its horizontal segment or vertical section is wide
Degree, every L shape branch itself is consistent along the aperture width of journey, and left and right span refers to L shape branch along horizontal segment direction
Span length of the left end to right end.
Below based on the three frequency band wearable antenna of dendroid, its particular technique effect is illustrated by embodiment.
Embodiment 1
In the present embodiment, the structure and each component shape of three frequency band wearable antenna of dendroid are as described above, therefore no longer
It repeats.But the design parameter of each component is as follows:
The substrate material therefor is polyester material, substrate length 35mm, width 34mm, with a thickness of 1.8mm.Institute
The right L shape branch length stated is 15.2mm, and left and right span is 4.6mm, aperture width 1.8mm.The intermediate L shape branch head
Degree is 15.2mm, and left and right span is 5.3mm, aperture width 1.8mm.The rectangle branch connection strap length is 19mm, wide
Degree is 1.8mm.The pommel length is 9.7mm, width 3.5mm.The left L shape branch length be 8.9mm, left and right across
Degree is 3.7mm, aperture width 1.8mm.The rectangle earth plate length is 34mm, width 11.5mm, long side and substrate
Bottom edge is completely coincident, and two short sides are overlapped with substrate two sides.Fig. 2 is that test obtains three frequency band wearable antenna echo of dendroid damage
Consumption figure.As can be seen from the figure three working bands of three frequency band wearable antenna of dendroid are respectively as follows: first job frequency band
Centre frequency is 2.4GHz, bandwidth 0.3GHz；Second working band centre frequency is 3.5GHz, bandwidth 0.3GHz；The
Three working band centre frequencies are 5.5GHz, bandwidth 1.5GHz.Fig. 3 is that test obtains the antenna face E, the face H in 2.4GHz
Antenna pattern.Fig. 4 is that test obtains the antenna face E, H surface radiation directional diagram in 3.5GHz.Fig. 5 is that test acquisition antenna exists
The face E, H surface radiation directional diagram when 5.5GHz.Fig. 6 is the surface current figure of antenna patch in 2.4GHz.Fig. 7 is that antenna exists
The surface current figure of patch when 3.5GHz.Fig. 8 is the surface current figure of antenna patch in 5.5GHz.
Claims (8)
1. a kind of three frequency band wearable antenna of dendroid, which is characterized in that it includes substrate (1), right L shape branch (2), centre L
Shape branch (3), rectangle branch connection strap (4), pommel (5), left L shape branch (6), rectangle earth plate (7)；Wherein right L shape branch
(2), centre L shape branch (3), rectangle branch connection strap (4), pommel (5), left L shape branch (6) are respectively positioned on the positive position of substrate (1)
It sets, and right L shape branch (2), centre L shape branch (3), left L shape branch (6) are arranged successively by sequence from right to left, right L shape point
The horizontal segment of branch (2) and left L shape branch (6) is located at upper end, and the horizontal segment of centre L shape branch (3) is located at lower end, rectangle branch
Connection strap (4) is connected with the lower end of right L shape branch (2), centre L shape branch (3), left L shape branch (6), and rectangle branch connects
Item (4) lower end pommel (5) identical with material is connected, and the lower end of pommel (5) is overlapped with the bottom edge of substrate (1)；Rectangle earth plate
(7) it is located at substrate (1) back position, and its bottom edge is overlapped with the bottom edge of substrate (1), two of two sides and substrate (1)
Side is also overlapped.
2. a kind of three frequency band wearable antenna of dendroid as described in claim 1, it is characterised in that the substrate (1) is used
Material is polyester material, and substrate length is 33~35mm, and width is 32~34mm, with a thickness of 1.8~2mm.
3. a kind of three frequency band wearable antenna of dendroid as described in claim 1, it is characterised in that the right L shape branch
(2) length is 14~16mm, and left and right span is 3~5mm, and aperture width is 1~2mm.
4. a kind of three frequency band wearable antenna of dendroid as described in claim 1, it is characterised in that the intermediate L shape branch
(3) length is 14~16mm, and left and right span is 4~6mm, and aperture width is 1~2mm.
5. a kind of three frequency band wearable antenna of dendroid as described in claim 1, it is characterised in that the rectangle branch connects
Narrow bars (4) length is 18~20mm, and width is 1~2mm.
6. a kind of three frequency band wearable antenna of dendroid as described in claim 1, it is characterised in that described pommel (5) length
For 8~10mm, width is 2~4mm.
7. a kind of three frequency band wearable antenna of dendroid as described in claim 1, it is characterised in that the left L shape branch
(6) length is 8~10mm, and left and right span is 3~5mm, and aperture width is 1~2mm.
8. a kind of three frequency band wearable antenna of dendroid as described in claim 1, it is characterised in that the rectangle earth plate
(7) length is 32~34mm, and width is 10~12mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910346263.0A CN110085974A (en) | 2019-04-26 | 2019-04-26 | Three frequency band wearable antenna of dendroid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910346263.0A CN110085974A (en) | 2019-04-26 | 2019-04-26 | Three frequency band wearable antenna of dendroid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110085974A true CN110085974A (en) | 2019-08-02 |
Family
ID=67417145
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910346263.0A Pending CN110085974A (en) | 2019-04-26 | 2019-04-26 | Three frequency band wearable antenna of dendroid |
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| Country | Link |
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| CN (1) | CN110085974A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014160720A1 (en) * | 2013-03-25 | 2014-10-02 | Farfield Co. | Broadband notch antennas |
| CN104201464A (en) * | 2014-08-05 | 2014-12-10 | 西安电子科技大学 | Frequency-reconfigurable triple-band antenna and method |
| CN106410394A (en) * | 2016-09-14 | 2017-02-15 | 天津大学 | Conformal dual-band monopole antenna structure |
| CN108110414A (en) * | 2017-12-14 | 2018-06-01 | 重庆邮电大学 | A kind of three frequency monopole microstrip antennas |
| CN109378582A (en) * | 2018-11-23 | 2019-02-22 | 中国计量大学 | Minimize wearable antenna |
-
2019
- 2019-04-26 CN CN201910346263.0A patent/CN110085974A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014160720A1 (en) * | 2013-03-25 | 2014-10-02 | Farfield Co. | Broadband notch antennas |
| CN104201464A (en) * | 2014-08-05 | 2014-12-10 | 西安电子科技大学 | Frequency-reconfigurable triple-band antenna and method |
| CN106410394A (en) * | 2016-09-14 | 2017-02-15 | 天津大学 | Conformal dual-band monopole antenna structure |
| CN108110414A (en) * | 2017-12-14 | 2018-06-01 | 重庆邮电大学 | A kind of three frequency monopole microstrip antennas |
| CN109378582A (en) * | 2018-11-23 | 2019-02-22 | 中国计量大学 | Minimize wearable antenna |
Non-Patent Citations (2)
| Title |
|---|
| CHIO SAEPHAN: "Tri-band cactus shaped printed monopole", 《2014 IEEE ANTENNAS AND PROPAGATION SOCIETY INTERNATIONAL SYMPOSIUM (APSURSI)》 * |
| 刘敏等: "应用于WLAN/WIMAX的宽频带单极子天线", 《测试技术学报》 * |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information | ||
| CB02 | Change of applicant information |
Address after: 312352 Room 401 and 402, A1 / F, Zhejiang University network new science and Technology Park, No. 2288 Jiangxi Road, Cao'e street, Shangyu District, Shaoxing City, Zhejiang Province Applicant after: CHINA JILIANG UNIVERSITY SHANGYU ADVANCED RESEARCH INSTITUTE Co.,Ltd. Address before: 312352 room 401.402, A1 / F, Zhejiang University network new science and Technology Park, 2288 Jiangxi Road, Cao'e street, Shangyu District, Ningbo City, Zhejiang Province Applicant before: CHINA JILIANG UNIVERSITY SHANGYU ADVANCED RESEARCH INSTITUTE Co.,Ltd. |
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| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190802 |