CN206332175U - A kind of slide fastener antenna for wearable wireless system - Google Patents
A kind of slide fastener antenna for wearable wireless system Download PDFInfo
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- CN206332175U CN206332175U CN201621228383.9U CN201621228383U CN206332175U CN 206332175 U CN206332175 U CN 206332175U CN 201621228383 U CN201621228383 U CN 201621228383U CN 206332175 U CN206332175 U CN 206332175U
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- slide fastener
- antenna
- wireless system
- wearable wireless
- feed end
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Abstract
The utility model provides a kind of slide fastener antenna for wearable wireless system, including slide fastener on the object dressed for human body and the feed end that is connected with the slide fastener；The material of the slide fastener is metal material；The feed end includes coaxial fitting and the probe for being arranged on the coaxial fitting and being connected with the slide fastener.Slide fastener antenna structure of the present utility model for wearable wireless system is simplified；Radiant body is used as using the metal zip fastener on clothes, with certain electromagnetic radiation ability and pattern characteristics, both there is effect easy to carry, the skyborne distribution of electromagnetic energy can be realized again (as transmitting antenna use) or is completed from certain areas captured electromagnetic signal in the air and the task (as reception antenna use) of energy, it is practical.
Description
Technical field
The utility model is related to communication technique field, and in particular to a kind of slide fastener for wearable wireless system day
Line.
Background technology
In the prior art, common wireless system includes radar, communication, navigation etc., and its antenna is typically metal material, or
The mixed structure of metal and solid dielectric.In wearable field, both at home and abroad in recent years associated antenna realization means mainly include with
Lower several respects：
First, the miniaturized planar antenna containing nano silver wire, specific pattern is arranged as first by template by nano silver wire,
Then layer overlay liquid polymers, after thing solidification to be polymerized, forms the elastomeric material for including expected pattern, the pattern material energy
The radiation assembly with paster antenna is constituted, by adjusting its shape, operating frequency of antenna is controlled.
2nd, Metal buttonses or metal buckle antenna.Size is small, with certain radianting capacity, for wavelength is longer, frequency
The higher system of rate, its electric size is just advantageous.
3rd, logo antenna.The letter of wearable system is mainly realized as antenna using the mark (logo) on case and bag, clothes
Number radiation and receive, such as the antenna for the LV LV shapes that South Korea delivers for 2015 uses the material with certain electric conductivity
Material substitutes original sewing material, and processing and fabricating LV marks keep trade mark shape and size constant.Somebody's research uses apple
(Apple) the notched apple-shaped structure of company, using fibrous material, also obtain certain radiation as antenna
And receiving ability.
4th, deformed Oscillators antenna, loop antenna of metal material etc., small-sized, accomplishes in system, with the hand of current main flow
Machine antenna is similar, generally smaller than antenna for mobile phone.
The equal Shortcomings of antenna applied in the prior art, be specifically：The deficiency of cloth fabric antenna, mainly due to it
Electric conductivity is weak, causes radianting capacity weak, radiation gain is low, efficiency is low, energy loss is larger；Deformed Oscillators antenna and loop antenna,
And button antenna and belt fastener antenna, it is that physical size is small to have individual common feature, and electric size is limited, and radiation directivity is weaker,
Radiation and reception radio energy are not enough concentrated.
In summary, be badly in need of a kind of structure simplify, it is easy to carry and with certain electromagnetic radiation ability and pattern characteristics
Antenna to solve problems of the prior art.
Utility model content
The utility model purpose be provide a kind of structure simplify, it is easy to carry with stronger electromagnetic radiation ability and compared with
Good pattern characteristics and the slide fastener antenna for wearable wireless system of natural restructural, concrete technical scheme are as follows：
A kind of slide fastener antenna for wearable wireless system, including the slide fastener on the object dressed for human body
And the feed end being connected with the slide fastener；
The material of the slide fastener is metal material；
The feed end includes coaxial fitting and the probe for being arranged on the coaxial fitting and being connected with the slide fastener.
In order to reach superior technique effect, the feed end also includes micro-strip medium substrate, and the coaxial fitting is vertical
Set through the micro-strip medium substrate.
Preferred in above technical scheme, the material of the micro-strip medium substrate is FR-4, and its dielectric constant is 4.3, its
Length × width x thickness is 100mm × 70mm × 1.2mm.
In above technical scheme preferred, the feed end is arranged on the middle part of the slide fastener, the top surface of bottom, bottom
In the side of bottom surface and bottom at least one at.
Preferred in above technical scheme, the coaxial fitting is carried out by way of inserting the slide fastener with the slide fastener
Connection, or the coaxial fitting are attached by sticky part with the slide fastener.
Preferred in above technical scheme, the length of the slide fastener is 68cm.
Preferred, the direction from the bottom to top when the direction of the slide fastener drawing is stood for human body in above technical scheme.
Using the technical solution of the utility model, have the advantages that：
(1) the slide fastener antenna of the present utility model for wearable wireless system, which includes being located at, is used for the thing that human body is dressed
Slide fastener on part and the feed end being connected with the slide fastener；The material of the slide fastener is metal material；The feed end includes
Coaxial fitting and the probe for being arranged on the coaxial fitting and being connected with the slide fastener.It is of the present utility model be used for it is wearable
The slide fastener antenna structure of formula wireless system is simplified；Using the metal zip fastener on clothes as radiant body, with certain electromagnetism spoke
Ability and pattern characteristics are penetrated, both with without effect separately installed, easy to carry, can realize that electromagnetic energy is skyborne again
Distribution (being used as transmitting antenna use) possesses from certain aerial areas captured electromagnetic signal and the function of energy (as reception antenna
With), it is practical.
(2) feed end described in the utility model also includes micro-strip medium substrate, and the coaxial fitting extends vertically through described
Micro-strip medium substrate is set.The micro-strip medium substrate is used to carry out auxiliary feed；The material of the micro-strip medium substrate is FR-4,
Its dielectric constant is 4.3, and its length × width x thickness is 100mm × 70mm × 1.2mm, in practical application, the micro-strip medium substrate
Size or up-sizing can be reduced or cancel this part, micro-strip medium substrate mainly influences the ratio between front and rear radianting capacity of antenna
And the concrete numerical value of maximum gain, but not cause the serious reduction of technical parameters and performance.
(3) feed end described in the utility model be arranged on the middle part of the slide fastener, the top surface of bottom, bottom bottom surface with
And at least one in the side of bottom, position difference mainly influences impedance matching performance and the height of working frequency, can meet
Different demands；The coaxial fitting also has a variety of with the connected mode of the slide fastener, and such as plug-in type contacts connection and passed through
Sticky part carries out sticky connection, is easily installed, overhauls and dismantles.
(4) length of slide fastener described in the utility model is 68cm, when the direction of the slide fastener drawing is stood for human body
Above-below direction, can be achieved to cover the front upper place space of human peripheral, and being selected to of its size meets conventional radio
The primary demand of system, details are：Before use, keep the full drawing of slide fastener or certain is pulled open from the bottom to top or from top to bottom to slide fastener
Degree, or all pull open, antenna is respectively provided with certain electromagnetic radiation ability.Impedance of the drawing degree of slide fastener for antenna
There is slight influence with characteristic, the concrete numerical value of main influence reflectance factor, and hardly cause working frequency to be drifted about.And
The antenna pattern characteristic of antenna is directly related with pulling open degree.
In addition to objects, features and advantages described above, the utility model also has other purposes, feature and excellent
Point.Below with reference to figure, the utility model is described in further detail.
Brief description of the drawings
The accompanying drawing for constituting the part of the application is used for providing further understanding to of the present utility model, of the present utility model
Schematic description and description is used to explain the utility model, does not constitute to improper restriction of the present utility model.In accompanying drawing
In：
Fig. 1 is the partial structurtes of the slide fastener antenna for wearable wireless system of the utility model preferred embodiment 1
Schematic diagram；
Fig. 2 is compared for the two-dimentional polar coordinates directional diagram of slide fastener antenna in embodiment 1 and monopole antenna；
Fig. 3 be in embodiment 1 slide fastener pull open a quarter, pull open half and it is complete pull open in the case of slide fastener antenna two-dimentional pole
Coordinate direction figure；
Fig. 4 is the emulation of slide fastener antenna and actual measurement reflection system when signal inputs the excitation end of feed below zipper terminal
Number curve；
Fig. 5 is the emulation and actual measurement reflection that signal inputs antenna when the excitation end fed is placed in first broach on the right of slide fastener
Coefficient curve；
Fig. 6 is that the excitation end of signal input feed is respectively placed in slide fastener left side broach (first), the right broach (first
It is individual), zipper terminal upper surface and during side antenna reflectance factor measured data；
Fig. 7 contrasts for the simulation result of slide fastener antenna radiation pattern with the two-dimentional polar coordinates directional diagram of measured data；
Wherein, 1, slide fastener, 2, feed end, 2.1, coaxial fitting, 2.2, probe, 2.3, micro-strip medium substrate.
Embodiment
Embodiment of the present utility model is described in detail below in conjunction with accompanying drawing, but the utility model can be according to power
Profit requires to limit and the multitude of different ways of covering is implemented.
Embodiment 1：
Referring to Fig. 1 (the two rows omission point above figure represents this figure above section and is not drawn into), one kind is used for wearable nothing
The slide fastener antenna of linear system system, including slide fastener 1 on the object dressed for human body and the feed end 2 that is connected with slide fastener 1.
The material of the slide fastener 1 is metal material, is metal zip fastener conventional in the prior art.
The feed end 2 includes coaxial fitting 2.1, is arranged on the coaxial fitting 2.1 and is connected with the slide fastener
Probe 2.2 and micro-strip medium substrate 2.3, the coaxial fitting 2.1 extend vertically through the micro-strip medium substrate 2.3 and set.Institute
State micro-strip medium substrate 2 material be FR-4, its dielectric constant be 4.3, its long Lg × width x thickness Ts be 100mm × 70mm ×
1.2mm。
Fig. 1 is the schematic diagram when feed end 2 is arranged on the bottom surface of the slide fastener bottom, can also be according to actual conditions
The feed end is selected to be arranged on the side at the middle part of the slide fastener, the top surface of bottom or bottom, bottom herein refers specifically to draw
The starting position of conjunction.
The coaxial fitting 2.1 is attached by way of inserting the slide fastener 1 with the slide fastener 1.Can also basis
Actual conditions use following connected mode：The coaxial fitting 2.1 is attached by sticky part with the slide fastener 1.
The length of the slide fastener 1 is 68cm, and the direction of the drawing of the slide fastener 1 is square from the bottom to top when human body is stood
To.
Broach spacing, broach length, zipper terminal length and width and the thickness equidimension of the slide fastener, commercially existing clothes
Under the parameter of zipper product, numerical value is 1mm-10mm magnitudes, can obtain effective Antenna Impedance Matching and radiation directivity,
Difference is the concrete numerical values such as resonant frequency, reflectance factor, gain on specific direction, and specific size is carried out according to the actual requirements
Respective design, generally this little metal zip fastener can be applied.
In view of slide fastener is to realize fixed dimension, can be according to specific system to adjust the resonant operational frequency of slide fastener antenna
Demand, designs single transformer section, completes the transition of mechanical impedance from feed end to slide fastener, realizes the matched well of antenna
Energy.
For the slide fastener antenna for wearable wireless system of the present embodiment, carried out in microwave dark room for wearable
The slide fastener Antenna Pattern Measuring Test of formula wireless system, key instrument is that the 9717A that Deco skill Keysight companies produce is portable
Vector network analyzer, coordinates ultra wide band log-periodic antenna (30MHz-18GHz) and horizontal single axle table, completes voltage standing wave(VSW)
Than the test of the technical indicators such as, directional diagram, horizontal and vertical polarised direction data are obtained respectively.Log-periodic antenna is set up in arrow
Measure at Network Analyzer, be used as transmitting terminal；Slide fastener antenna is positioned on turntable, is used as receiving terminal, two antenna distance 5m, height one
Cause, by TT＆C software controller unit transmission signal and read the S parameter of Network Analyzer.The a width of 30MHz-8GHz of calibration tape,
Details as Follows：
Fig. 2 is that slide fastener antenna is compared with the two-dimentional polar coordinates directional diagram of monopole antenna；Fig. 3 for slide fastener pull open a quarter,
The two-dimentional polar coordinates directional diagram of slide fastener antenna in the case of pulling open half and pulling open entirely；Fig. 4 is the excitation end position that signal inputs feed
The emulation of slide fastener antenna and actual measurement reflection coefficient curve when below zipper terminal；Fig. 5 is that the excitation end of signal input feed is put
The emulation of antenna and actual measurement reflection coefficient curve when first broach in slide fastener the right；Fig. 6 is the excitation end that signal inputs feed
The reflectance factor measured data of antenna when being respectively placed in left and right first broach of slide fastener, zipper terminal upper surface and side；Fig. 7 is
The simulation result of slide fastener antenna radiation pattern is contrasted with the two-dimentional polar coordinates directional diagram of measured data.
With reference to Fig. 2-Fig. 7, on the whole, antenna reflection coefficient and level, vertical polarization directions figure (three-dimensional figure and two
Tie up polar coordinates directional diagrams and coincide fine, two-dimentional polar coordinates directional diagram is only illustrated herein) measured data and simulation result
It coincide preferable, demonstrates the validity of slide fastener antenna.
In terms of impedance matching property, when distributing point is placed in termination bottom below slide fastener, resonant frequency has two, high frequency
Section is main resonance, and frequency is 7.6GHz；Low-frequency range is time resonance, and frequency is 3.0GHz.When distributing point is located at first on the right of slide fastener
During individual broach, resonance point only one of which, in 2.75GHz.In foregoing various feed energized position situations, when distributing point is placed in drawing
Below chain during the upper surface of termination, the bandwidth of antenna actual measurement is most wide, and with two resonance frequencies, two working frequency range of correspondence.
In terms of antenna radiation pattern and gain characteristic, measured data shows, it is long that antenna pulls open top a quarter in slide fastener
The gain representative value for spending, working in frequency 2.8GHz is 6.71dBi, with stronger directionality.Table 1 gives slide fastener and pulled open
The data of 3 decibels of width of antenna gain and main beam under in various degree.
The slide fastener of table 1 pulls open 3 decibels of width statistics of lower antenna gain in various degree and main beam
| Pull open degree | Gain (dBi) | 3 decibels of width (degree) |
| Full drawing | 7.01 | 18.4 |
| Pull open a quarter | 5.99 | 19.9 |
| Pull open half | 6.43 | 26.9 |
| Pull open 3/4ths | 4.99 | 40.6 |
| Pull open entirely | 3.80 | 59.3 |
In summary, the slide fastener antenna for wearable wireless system of technical solutions of the utility model, effect is：
1st, structure is simplified, and it is firm to install, and is easy to make, carry and use, is not take up user's exceptional space.
2nd, with nature reconfigurability.Slide fastener pulls open the difference of degree, directly affects the radiation directivity of antenna, is a kind of
Directional diagram reconstructable aerial.
3rd, it is radio communication, wireless exploration, wireless sensing, radionavigation positioning etc. for radiating and receiving electromagnetic wave
A kind of instrument in field.Specifically：Using existing metal zip fastener in human body Wearable article, apply suitable excitation to it,
Microwave signal is injected, signal is launched, is used as transmitting by the electromagnetic radiation performance possessed by means of different slide fastener forms
Antenna is used；Either, the sensing using metal zip fastener to airborne electromagnetic and capture ability, from Space Coupling electromagnetic signal, draw
Enter in wearable electronic or system, the energy conversion between realization is wired from spacing wireless to circuit is used as reception antenna
With.
4th, the electromagnetic radiation theory and technology in Electronics Science and Technology field are belonged to, because this for wearable without linear system
The slide fastener antenna of system can resonance be in different frequencies according to the difference of feed placement and feed structure design, and typical case's covering is frequently
Section includes 1.5GHz-1.7GHz (Big Dipper and GPS satellite navigation often use frequency range), 2.4GHz-2.5GHz/5.7GHz-5.9GHz
(ISM band, industry/scientific research/medical treatment opens public frequency band) etc. so that this antenna can be applied to wireless navigation and positioning, space
Electromagnetic energy is collected and charging, human body central site network and digital multimedia, Internet of Things and smart city, smart home, motion and
The field such as medical science and health data collection and real-time Transmission.
Preferred embodiment of the present utility model is the foregoing is only, the utility model is not limited to, for this
For the technical staff in field, the utility model can have various modifications and variations.It is all it is of the present utility model spirit and principle
Within, any modifications, equivalent substitutions and improvements made etc. should be included within protection domain of the present utility model.
Claims (7)
1. a kind of slide fastener antenna for wearable wireless system, it is characterised in that including located at the thing dressed for human body
Slide fastener (1) on part and the feed end (2) being connected with the slide fastener (1)；
The material of the slide fastener (1) is metal material；
The feed end (2) includes coaxial fitting (2.1) and is arranged on the coaxial fitting (2.1) and connects with the slide fastener
The probe (2.2) connect.
2. the slide fastener antenna according to claim 1 for wearable wireless system, it is characterised in that the feed end
(2) micro-strip medium substrate (2.3) is also included, the coaxial fitting (2.1) extends vertically through the micro-strip medium substrate (2.3) and set
Put.
3. the slide fastener antenna according to claim 2 for wearable wireless system, it is characterised in that the micro-strip is situated between
The material of matter substrate (2.3) is FR-4, and its dielectric constant is 4.3, and its length × width x thickness is 100mm × 70mm × 1.2mm.
4. the slide fastener antenna according to claim 2 for wearable wireless system, it is characterised in that the feed end
(2) it is arranged at least one in the side of the middle part of the slide fastener (1), the top surface of bottom, the bottom surface of bottom and bottom.
5. the slide fastener antenna for wearable wireless system according to claim 1-4 any one, it is characterised in that
The coaxial fitting (2.1) is attached by way of inserting the slide fastener (1) with the slide fastener (1), or described same
Shaft coupling (2.1) is attached by sticky part with the slide fastener (1).
6. the slide fastener antenna according to claim 5 for wearable wireless system, it is characterised in that the slide fastener
(1) length is 68cm.
7. the slide fastener antenna according to claim 6 for wearable wireless system, it is characterised in that the slide fastener
(1) direction of drawing is the direction from the bottom to top when human body is stood.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621228383.9U CN206332175U (en) | 2016-11-15 | 2016-11-15 | A kind of slide fastener antenna for wearable wireless system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621228383.9U CN206332175U (en) | 2016-11-15 | 2016-11-15 | A kind of slide fastener antenna for wearable wireless system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206332175U true CN206332175U (en) | 2017-07-14 |
Family
ID=59287898
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621228383.9U Expired - Fee Related CN206332175U (en) | 2016-11-15 | 2016-11-15 | A kind of slide fastener antenna for wearable wireless system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206332175U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106374217A (en) * | 2016-11-15 | 2017-02-01 | 中国人民解放军国防科学技术大学 | Zipper antenna for wearable wireless system |
-
2016
- 2016-11-15 CN CN201621228383.9U patent/CN206332175U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106374217A (en) * | 2016-11-15 | 2017-02-01 | 中国人民解放军国防科学技术大学 | Zipper antenna for wearable wireless system |
| CN106374217B (en) * | 2016-11-15 | 2023-09-22 | 中国人民解放军国防科学技术大学 | Zipper antenna for wearable wireless system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170714 Termination date: 20181115 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |