CN206134943U - Self -tuning formula broadband intelligence wrist -watch antenna - Google Patents
Self -tuning formula broadband intelligence wrist -watch antenna Download PDFInfo
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- CN206134943U CN206134943U CN201621019767.XU CN201621019767U CN206134943U CN 206134943 U CN206134943 U CN 206134943U CN 201621019767 U CN201621019767 U CN 201621019767U CN 206134943 U CN206134943 U CN 206134943U
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Abstract
The utility model relates to a self -tuning formula broadband intelligence wrist -watch antenna is divided by mechanical part and antenna part to constitute, and mechanical part is become by second hand, second hand pivot, second wheel, cam and spring coupling body group, the antenna part branch is including the antenna feed piece and the antenna radiation body, take turns a central coupling of taking turns through second hand pivot and second, the central opposite side of wheel was equipped with the cam second, divided through cam and antenna part and was connected, and antenna feed piece and antenna radiation personally experience sth. Part of the body to personally experience sth. Part of the body through spring coupling and realize the physics connection, through the capacitance coupling realization feed of antenna feed piece with the antenna radiation body to produce electromagnetic radiation, utilize second hand machinery to rotate, change antenna feed piece and antenna radiation body interval. The utility model discloses utilize second hand machinery to rotate, change antenna feed piece and antenna radiation body interval, can realize the antenna of the multifrequency section wide bandwidth performance of self -tuning. Can this self -tuning structure realize covering 1.8GHz 2.74GHz, cover 4G TDD LTE frequency channel commonly used and WIFI2.4GHz frequency channel to guarantee each good efficiency frequently.
Description
[technical field]
This utility model belongs to novel intelligent wrist-watch antenna, is related to passive broadband antenna technology.
[background technology]
Intelligent watch as a kind of Novel movable electronic product, in order to meet application requirement, it usually needs in less chi
It is very little lower while working in multiple communication standards.Existing intelligent watch antenna product typically adopts multi-antenna technology, built-in multiple days
Line is covering multiple frequency ranges.But wrist-watch small volume, narrow is very serious using multiple antennas coupling in space, directly affects logical
Letter performance.Due to the development of 4G LTE communication technologies, wrist-watch band requirement is more wider, higher for the requirement of antenna.
[content of the invention]
This utility model provides new self-tuning formula broadband intelligent watch antenna, frequency coverage 1.8GHz-
2.74GHz, the 2.4GHz frequency ranges comprising WIFI and 4G TDD LTE band38, band39, band40 and band41.Utilize
The rotation traction antenna coupling feedback distance of second hand, periodically-varied coupled capacitor matching is capable of achieving the switching of different frequency range, each
Frequency maximal efficiency is very high, so as to realize broadband under high quality communication.
This utility model provides a kind of self-tuning broadband intelligent watch antenna, the novel wide-band intelligent watch antenna
Including：Mechanical part, including second hand 1, second hand rotating shaft 2, second wheel 3, cam 4, spring connector 5；Antenna part, including antenna feed
Electric piece 6 and antenna radiator 7；The feed tab and antenna radiator of antenna is all metal ingredient, by spring connector reality
Existing physical connection, but there is no metal connection.Mechanical part and antenna part constitute whole antenna system.
Wherein,
Mechanical part:Second hand rotating shaft and second hand rotation are driven when second wheel is rotated, while making cam start to slide.The cunning of cam
It is dynamic to cause cam height to change.Cam, antenna feed tab and spring connector together produce height change.I.e. as second hand turns
Dynamic, antenna feed tab changes with antenna radiator relative position generating period.
Antenna part:Connect without direct metal between antenna feed tab and antenna radiator two parts, centre is sky
Gas.Feed point is connected in antenna feed tab, and aerial radiation is produced mainly by feed tab and antenna radiator collective effect.Antenna feeds
Can be equivalent between piece and antenna radiator with time periodically variable coupled capacitor.The size of coupled capacitor is with antenna feed tab
Change with antenna radiator relative position and change.With the change of coupling capacitance, antenna match state changes, so as to
The switch operating of different frequency range is realized, wideband output effect is reached.
Feed is realized by the Capacitance Coupled of antenna feed tab and antenna radiator, and produces electromagnetic radiation.Second hand is rotated
The high and low position of cam is changed by second wheel, and the stretching by spring and compression change antenna feed tab and antenna radiator it
Between relative position.Antenna feed tab is synchronous with the cyclically-varying of antenna radiator distance system second hand rotation.Different couplings
The different coupled capacitor size of distance correspondence, that is, realize dynamic antenna match state change, so as to realize antenna Different matching
The switching of state, completes the covering of self-tuning formula broad frequency range.
This utility model utilizes second hand mechanical rotation, changes antenna feed tab and antenna radiator spacing, can realize certainly
The antenna of the multiple frequency bands broadband wide feature of tuning.The self tuning architecture can be realized covering 1.8GHz-2.74GHz, cover 4G
The conventional frequency ranges of TDD LTE and WIFI2.4GHz frequency ranges, and ensure the good efficiency of each frequency.
The beneficial effects of the utility model are：A kind of self-tuning formula wide-band intelligent watch antenna, is rotated by second hand and is changed
Become the coupling distance of antenna radiator and antenna feed tab, realize that different frequency range switching is used, so as to realize that broadband is covered, reach
To the effect of wideband.This utility model can effectively utilizes wrist-watch inside narrow space, ensure each frequency efficiency most
The bandwidth of HFS can greatly be widened on the basis of bigization.Second hand rotates a circle, and as feed distance changes, antenna is total
Dynamic band scope can reach 1.8GHz to 2.74GHz, can meet the conventional frequencies of forth generation mobile communication standard 4G TDD LTE
The frequency coverage of section and WIFI 2.4GHz is required, while antenna has very good efficiency and gain.
[description of the drawings]
Fig. 1 is this utility model apparatus structure schematic diagram
Fig. 2 is schematic diagram
Fig. 3 is that self-tuning formula broadband wrist-watch antenna is covering the reflection coefficient of port loss of frequency range under different coupling distances
Fig. 4 be self-tuning formula broadband wrist-watch antenna under different coupling distances cover frequency range efficiency
Description of symbols in figure
1 second hand, 2 second hand rotating shafts, 3 second wheels, 4 cams, 5 spring connectors, 6 antenna feed tabs, 7 antenna radiators
[specific embodiment]
The technical solution of the utility model is further elaborated in conjunction with drawings and Examples, it is believed that to art technology
It is clearly for personnel.
As shown in Figure 1, 2, a kind of self-tuning formula broadband intelligent watch antenna, it is characterised in that by mechanical part and day
Line part constitutes whole antenna system, and mechanical part is by second hand 1, second hand rotating shaft 2, second wheel 3, cam 4 and spring connector 5
Composition；Antenna part, including antenna feed tab 6 and antenna radiator 7；Second wheel is by second hand rotating shaft and the central shaft of second wheel
Connect, the center opposite side of second wheel is provided with cam, is connected with antenna part by cam, antenna feed tab 6 and antenna radiator 7
Physical connection is realized by spring connector, feed is realized by the Capacitance Coupled of antenna feed tab and antenna radiator, and produced
Raw electromagnetic radiation, using second hand mechanical rotation, changes antenna feed tab and antenna radiator spacing.
Mechanical part：Second wheel causes cam height to change by second hand rotating shaft and second hand and cam linkage, the slip of cam,
Cam, antenna feed tab and spring connector together produce height change, i.e., with second hand rotation, antenna feed tab and antenna spoke
Beam relative position generating period changes.
Antenna part：Connect without direct metal between antenna feed tab and antenna radiator two parts, centre is sky
Gas.Feed point is connected in antenna feed tab, and aerial radiation is produced mainly by feed tab and antenna radiator collective effect,
Be equivalent between antenna feed tab and antenna radiator with time periodically variable coupled capacitor, coupled capacitor it is big
It is little to change with antenna feed tab and the change of antenna radiator relative position, with the change of coupling capacitance, antenna match shape
State changes, and so as to realize the switch operating of different frequency range, reaches wideband output effect.
The How It Works of above-mentioned self-tuning formula broadband intelligent watch antenna, it is characterised in that the antenna is located at wrist-watch bottom
Face, by realizing feed with the Capacitance Coupled of its upper end antenna feed electricity piece, as second hand is rotated one week, next week in antenna feed tab
Phase property is moved once, and antenna feed tab changes the coupling of antenna feed tab and antenna radiator with the change of antenna radiator distance
Electric capacity, both distance it is more remote, coupled capacitor is less, radiation frequency to high-frequency mobile, so as to realize different antennae matching status
Switching, in wider band limits the efficient aerial radiation of broadband is realized.
Mechanical part：Second hand rotating shaft and second hand rotation are driven when second wheel is rotated, while make cam start to slide, the cunning of cam
Dynamic to cause cam height to change, cam, antenna feed tab and spring connector together produce height change, i.e., as second hand turns
Dynamic, antenna feed tab changes with antenna radiator relative position generating period.
Antenna part：Connect without direct metal between antenna feed tab and antenna radiator two parts, centre is sky
Gas.Feed point is connected in antenna feed tab, and aerial radiation is produced mainly by feed tab and antenna radiator collective effect, antenna feed
Can be equivalent between piece and antenna radiator with time periodically variable coupled capacitor, the size of coupled capacitor is with antenna feed tab
Change with antenna radiator relative position and change, with the change of coupling capacitance, antenna match state changes, so as to
The switch operating of different frequency range is realized, wideband output effect is reached.
The total dynamic band scope of antenna can reach 1.8GHz to 2.74GHz.
Fig. 3 is that self-tuning formula broadband wrist-watch antenna is covering the reflection coefficient of port loss of frequency range under different coupling distances.
For convenience of explanation, the distance of four kinds of multiple proportions is taken herein：D0,2*d0,3*d0,4*d0, the change of several coupling distances is by the second
Pin rotates automatic conversion.The antenna that can be seen that design according to this 4 points return loss plot can reach 940MHz bandwidth models
Enclose.
Fig. 4 be self-tuning formula broadband wrist-watch antenna under different coupling distances cover frequency range efficiency.For convenience of sight
Examine and understanding, the efficiency value under the distance of four kinds of multiple proportions is only taken here：D0,2*d0,3*d0,4*d0.Real work shape
State coupling distance continuously changes, and efficiency value can be smoothed more.From figure four, the antenna of this utility model design is in wider frequency
Segment limit can reach extraordinary efficiency.
Claims (4)
1. a kind of self-tuning formula broadband intelligent watch antenna, it is characterised in that constituted by mechanical part and antenna part whole
Individual antenna system, mechanical part is by second hand (1), second hand rotating shaft (2), second wheel (3), cam (4) and spring connector (5) group
Into；Antenna part, including antenna feed tab (6) and antenna radiator (7)；Second wheel is by second hand rotating shaft and the central shaft of second wheel
Connect, the center opposite side of second wheel is provided with cam, is connected with antenna part by cam, antenna feed tab (6) and aerial radiation
Body (7) realizes physical connection by spring connector, and by the Capacitance Coupled of antenna feed tab and antenna radiator feed is realized,
And electromagnetic radiation is produced, using second hand mechanical rotation, change antenna feed tab and antenna radiator spacing.
2. a kind of as claimed in claim 1 self-tuning formula broadband intelligent watch antenna, it is characterised in that mechanical part：Second wheel
By second hand rotating shaft and second hand and cam linkage, the slip of cam causes cam height to change, cam, antenna feed tab and spring
Connector together produces height change, i.e., with second hand rotation, antenna feed tab and antenna radiator relative position generating period
Property change.
3. a kind of as claimed in claim 1 self-tuning formula broadband intelligent watch antenna, it is characterised in that antenna part：Antenna
Connect without direct metal between feed tab and antenna radiator two parts, centre is air, feed point is connected on antenna feed tab
On, aerial radiation is produced mainly by feed tab and antenna radiator collective effect.
4. as claimed in claim 1 a kind of self-tuning formula broadband intelligent watch antenna, it is characterised in that antenna feed tab and day
It is equivalent between beta radiation body with time periodically variable coupled capacitor, the size of coupled capacitor is with antenna feed tab and antenna spoke
Beam relative position changes and changes, and with the change of coupling capacitance, antenna match state changes, so as to realize difference
The switch operating of frequency range, reaches wideband output effect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621019767.XU CN206134943U (en) | 2016-08-31 | 2016-08-31 | Self -tuning formula broadband intelligence wrist -watch antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621019767.XU CN206134943U (en) | 2016-08-31 | 2016-08-31 | Self -tuning formula broadband intelligence wrist -watch antenna |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206134943U true CN206134943U (en) | 2017-04-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621019767.XU Active CN206134943U (en) | 2016-08-31 | 2016-08-31 | Self -tuning formula broadband intelligence wrist -watch antenna |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106229690A (en) * | 2016-08-31 | 2016-12-14 | 上海煜鹏通讯电子股份有限公司 | A kind of self-tuning formula broadband intelligent watch antenna and method thereof |
-
2016
- 2016-08-31 CN CN201621019767.XU patent/CN206134943U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106229690A (en) * | 2016-08-31 | 2016-12-14 | 上海煜鹏通讯电子股份有限公司 | A kind of self-tuning formula broadband intelligent watch antenna and method thereof |
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