CN101325286B - Digital television antenna - Google Patents
Digital television antenna Download PDFInfo
- Publication number
- CN101325286B CN101325286B CN2008101335825A CN200810133582A CN101325286B CN 101325286 B CN101325286 B CN 101325286B CN 2008101335825 A CN2008101335825 A CN 2008101335825A CN 200810133582 A CN200810133582 A CN 200810133582A CN 101325286 B CN101325286 B CN 101325286B
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- Prior art keywords
- radiation conductor
- metal wire
- digital
- conductor
- radiation
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- 239000004020 conductor Substances 0.000 claims abstract description 128
- 239000002184 metal Substances 0.000 claims abstract description 107
- 229910052751 metal Inorganic materials 0.000 claims abstract description 107
- 230000005855 radiation Effects 0.000 claims abstract description 104
- 230000005540 biological transmission Effects 0.000 claims description 5
- 238000005452 bending Methods 0.000 abstract 1
- 239000000758 substrate Substances 0.000 description 5
- 230000003321 amplification Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000003199 nucleic acid amplification method Methods 0.000 description 4
- WYTGDNHDOZPMIW-RCBQFDQVSA-N alstonine Natural products C1=CC2=C3C=CC=CC3=NC2=C2N1C[C@H]1[C@H](C)OC=C(C(=O)OC)[C@H]1C2 WYTGDNHDOZPMIW-RCBQFDQVSA-N 0.000 description 3
- 238000004891 communication Methods 0.000 description 3
- 229910000906 Bronze Inorganic materials 0.000 description 2
- 239000010974 bronze Substances 0.000 description 2
- KUNSUQLRTQLHQQ-UHFFFAOYSA-N copper tin Chemical compound [Cu].[Sn] KUNSUQLRTQLHQQ-UHFFFAOYSA-N 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
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Abstract
The invention relates to a digital television antenna which comprises a connecting connector plate and first to fifth radiation conductors connected in parallel to the connecting connector plate, wherein the second and the third radiation conductors as well as the fourth and the fifth radiation conductors are respectively positioned on two opposite sides of the first radiation conductor. The first and the fourth radiation conductors are respectively provided with a metal sheet and a spiral metal wire, wherein the spiral metal wire is connected with the metal sheet and encircles the metal sheet. The second, the third and the fifth radiation conductors are respectively provided with a zigzag main-loop metal wire and a sub-loop metal wire. The zigzag main-loop metal wire is provided with at least one bending end part which is connected with the sub-loop metal wire.
Description
Technical field
The invention relates to a kind of antenna assembly, and particularly relevant for being built in a kind of in the wireless telecommunications system, in order to the antenna assembly of receiving digital television signal.
Background technology
Along with the progress of science and technology, the main battle ground of mechanics of communication is transferred to wireless mechanics of communication from wired mechanics of communication gradually.Especially be applied on the digital TV signal propagation, making wireless digital TV-set can be used in outdoor and move receives, need not be confined to indoor watching, this moment the reception quality the link paid attention to most of the good and the bad person of being to use, and the antenna assembly of undertaking the reception important task promptly becomes the element of wireless digital TV-set most critical
In order to the mobile device of receiving digital television signal, antenna assembly mostly was that the outside that is attached to mobile device receives no limited signal in the past, and for example spiral (helix) antenna so damages and is unfavorable for carrying owing to exposed antenna is subject to external force.Therefore present designer trends are to use a kind of external antenna device, and the USB port that is connected in mobile device when using again sends the wireless digital TV-set signal to mobile device.But since the operation frequency range of Digital Television between 470MHz to 870MHz, if can cause external antenna excessive and be unfavorable for carrying or the like according to general antenna physical size design.
Therefore a kind of miniature reception antenna that is integrated in circumscribed wireless digital TV-set receiving box of real palpus is to promote wireless mobile convenience.
Summary of the invention
Therefore technical problem to be solved by this invention is providing a kind of micro radio digital television receiver antenna exactly, can be incorporated in the circumscribed wireless digital TV-set frequency receiving box.
For reaching above-mentioned purpose, digital TV antenna of the present invention is positioned at a mobile device, comprises: a bonding conductor plate; One first radiation conductor has a sheet metal and a spirality metal line, and wherein an end of this spirality metal line connects this bonding conductor plate, and the other end connects this sheet metal, and wrapped this sheet metal that encloses of spirality metal wire loop; One second radiation conductor is positioned at the first side of this first radiation conductor, have a tortuous major cycle metal wire and a primary circuit metal wire, this complications major cycle metal wire has at least one folded end, end that wherein should complications major cycle metal wire connects this bonding conductor plate, and this at least one folded end connects this minor loop metal wire; One the 3rd radiation conductor be positioned at this second radiation conductor not with a side of this first radiation conductor adjacency, have a tortuous major cycle metal wire and a primary circuit metal wire, this complications major cycle metal wire has at least one folded end, end that wherein should complications major cycle metal wire connects this bonding conductor plate, and this at least one folded end connects this minor loop metal wire; One the 4th radiation conductor is positioned at the second side of this first radiation conductor in the face of this first side, have a sheet metal and a spirality metal line, wherein an end of this spirality metal line connects this bonding conductor plate, the other end connects this sheet metal, and wrapped this sheet metal that encloses of spirality metal wire loop; And one the 5th radiation conductor be positioned at the 4th radiation conductor not with a side of this first radiation conductor adjacency, have a tortuous major cycle metal wire and a primary circuit metal wire, this complications major cycle metal wire has at least one folded end, end that wherein should complications major cycle metal wire connects this bonding conductor plate, and this at least one folded end connects this minor loop metal wire.
Digital TV antenna of the present invention can be integrated in the circumscribed wireless digital TV-set receiving box, can promote wireless mobile convenience.
Description of drawings
For above and other objects of the present invention, feature, advantage and embodiment can be become apparent, being described in detail as follows of appended accompanying drawing:
Figure 1 shows that the digital TV antenna summary icon of one preferred embodiment according to the present invention;
Figure 2 shows that according to the present invention one preferred embodiment digital TV antenna is formed at the summary icon of circumscribed wireless digital TV-set receiving box;
Figure 3 shows that the amplification diagram of first radiation conductor and the 4th radiation conductor;
Figure 4 shows that the amplification diagram of second radiation conductor, the 3rd radiation conductor and the 5th radiation conductor.
[main element symbol description]
100 digital TV antennas
101 first radiation conductors
102 second radiation conductors
103 the 3rd radiation conductors
104 the 4th radiation conductors
105 the 5th radiation conductors
107 bonding conductor plates
200 wireless digital TV-set receiving boxes
201 bottom surfaces
202 first sides
203 second sides
1011 and 1041 sheet metals
1012 and 1042 spirality metal lines
1021,1031,1051 tortuous major cycle metal wires
1022,1032,1052 minor loop metal wires
10211,10212,10213,10214,10215,10216,10217,10218,10219,10311,10312,10313,10314,10315,10511,10512,10513,10514 and 10515 folded end
Embodiment
Fig. 1 is the digital TV antenna 100 summary icons according to a preferred embodiment of the present invention.Wherein this digital TV antenna 100 is built in a mobile device, for example in the circumscribed wireless digital TV-set receiving box, in order to the Digital Television frequency range of reception 470MHz to 870MHz, and this circumscribed wireless digital TV-set receiving box for example is a digital television stick (DTV USB DONGLE).
In one embodiment, these 5 radiation conductors that are connected are laid in the bottom surface and the side of a circumscribed wireless digital TV-set receiving box inner surface respectively, as shown in Figure 2, first radiation conductor 101 is laid in the bottom surface 201 of wireless digital TV-set receiving box 200, and second radiation conductor 102 and the 3rd radiation conductor 103 are laid in first side, 202, the four radiation conductors 104 of wireless digital TV-set receiving box 200 and the 5th radiation conductor 105 and are laid in second side 203 in the face of first side 202.Wherein the area that occupies of first radiation conductor 101 is about 24 (mm) * 60 (mm), and second radiation conductor 102 and the 3rd radiation conductor 103, and the area that the 4th radiation conductor 104 and the 5th radiation conductor 105 occupy respectively is about 10 (mm) * 60 (mm).But in practical application, the installation position and the footprint area of these 5 radiation conductors are not limited by present embodiment.In order to form this 5 radiation conductor methods, for example be to be formed on the inner surface of wireless digital TV-set receiving box 200 with printing or etching technique.Transmission line 106 can be a bronze medal axle transmission line or a microstrip transmission line or a co-plane waveguide line.These 5 radiation conductors that are connected are connected to a bonding conductor plate 107 jointly.Bonding conductor plate 107 sees through a bronze medal post (not drawing among the figure) or a shell fragment (not drawing among the figure) and is connected with the signal conductor of a coaxial transmission line (not drawing among the figure) respectively as the load point of digital TV antenna 100 of the present invention.
See also the amplification diagram that Figure 3 shows that first radiation conductor and the 4th radiation conductor.First radiation conductor 101 includes a sheet metal 1011 and a spirality metal line 1012, and wherein an end of spirality metal line 1012 is connected to bonding conductor plate 107, and the other end is connected to sheet metal 1011.When spirality metal line 1012 extends and after going out from bonding conductor plate 107, can be arranged on the substrate with the spirality cabling mode, wherein each the spiral cabling of extension along with cabling can dwindle gradually around area, is connected to sheet metal 1011 at last and makes spirality metal line 1012 around being arranged in sheet metal 1011 peripheries.
The 4th radiation conductor 104 also includes a sheet metal 1041 and a spirality metal line 1042, and wherein an end of spirality metal line 1042 is connected to bonding conductor plate 107, and the other end is connected to sheet metal 1041.When spirality metal line 1042 extends and after going out from bonding conductor plate 107, can be arranged on the substrate with the spirality cabling mode, wherein each the spiral cabling of extension along with cabling can dwindle gradually around area, is connected to sheet metal 1041 at last and makes spirality metal line 1042 around being arranged in sheet metal 1041 peripheries.In one embodiment, the loop number of spirality metal line 1012 has 9 circles, and the loop number of spirality metal line 1042 has 3 circles.
See also the amplification diagram that Figure 4 shows that second radiation conductor, the 3rd radiation conductor and the 5th radiation conductor.Second radiation conductor 102 includes a tortuous major cycle metal wire 1021 and primary circuit metal wire 1022.Tortuous major cycle metal wire 1021 is connected to bonding conductor plate 107, and be arranged on the substrate with the cabling mode of continuous inclination serpentine, and form 9 folded end, be respectively first to the 9th folded end 10211,10212,10213,10214,10215,10216,10217,10218 and 10219.But the folded end number of tortuous major cycle metal wire 1021 is not limited by present embodiment in practical application.Minor loop metal wire 1022 has a plurality of branch lines to be connected with 10219 bottoms with odd number folded end 10211,10213,10215,10217 respectively, increases current path length in order to form extra loop.
The 3rd radiation conductor 103 includes a tortuous major cycle metal wire 1031 and primary circuit metal wire 1032.Tortuous major cycle metal wire 1031 is connected to bonding conductor plate 107, and be arranged on the substrate with the cabling mode of continuous inclination serpentine, and form 5 folded end, be respectively first to the 5th folded end 10311,10312,10313,10314 and 10315.But the folded end number of tortuous major cycle metal wire 1031 is not limited by present embodiment in practical application.Minor loop metal wire 1032 has a plurality of branch lines to be connected with 10315 bottoms with odd number folded end 10311,10313 respectively, increases current path length in order to form extra loop.
The 5th radiation conductor 105 also includes a tortuous major cycle metal wire 1051 and primary circuit metal wire 1052.Tortuous major cycle metal wire 1051 is connected to bonding conductor plate 107, and be arranged on the substrate with the cabling mode of continuous inclination serpentine, and form 5 folded end, be respectively first to the 5th folded end 10511,10512,10513,10514 and 10515.But the folded end number of tortuous major cycle metal wire 1051 is not limited by present embodiment in practical application.Minor loop metal wire 1052 has a plurality of branch lines to be connected with 10515 bottoms with odd number folded end 10511,10513 respectively, increases current path length in order to form extra loop.
In other embodiments, the minor loop metal wire of second radiation conductor 102, the 3rd radiation conductor 103 and the 5th radiation conductor 105 also can be connected to a side of its folded end bottom.In addition, because the effective length of antenna is relevant with frequency of operation and wavelength,, also can influence the coupling amount, the effective length of remote-effects antenna in addition through change live width, line-spacing so can design the antenna that meets the frequency range demand by changing antenna-path length.
Though the present invention discloses as above with a preferred embodiment; right its is not in order to limit the present invention; any the persond having ordinary knowledge in the technical field of the present invention; without departing from the spirit and scope of the present invention; when can being used for a variety of modifications and variations, so protection scope of the present invention is as the criterion when looking the scope that accompanying Claim defines.
Claims (10)
1. a digital TV antenna is characterized in that, is positioned at a mobile device, comprises:
One bonding conductor plate;
One first radiation conductor has a sheet metal and a spirality metal line, and wherein an end of this spirality metal line connects this bonding conductor plate, and the other end connects this sheet metal, and wrapped this sheet metal that encloses of this spirality metal wire loop;
One second radiation conductor, be positioned at a first side of this first radiation conductor, have a tortuous major cycle metal wire and a primary circuit metal wire, this complications major cycle metal wire has at least one folded end, end that wherein should complications major cycle metal wire connects this bonding conductor plate, and this at least one folded end connects this minor loop metal wire;
One the 3rd radiation conductor, be positioned at this second radiation conductor not with a side of this first radiation conductor adjacency, have a tortuous major cycle metal wire and a primary circuit metal wire, this complications major cycle metal wire has at least one folded end, end that wherein should complications major cycle metal wire connects this bonding conductor plate, and this at least one folded end connects this minor loop metal wire;
One the 4th radiation conductor, be positioned at the second side of this first radiation conductor in the face of this first side, have a sheet metal and a spirality metal line, wherein an end of this spirality metal line connects this bonding conductor plate, the other end connects this sheet metal, and wrapped this sheet metal that encloses of this spirality metal wire loop; And
One the 5th radiation conductor, be positioned at the 4th radiation conductor not with a side of this first radiation conductor adjacency, have a tortuous major cycle metal wire and a primary circuit metal wire, this complications major cycle metal wire has at least one folded end, end that wherein should complications major cycle metal wire connects this bonding conductor plate, and this at least one folded end connects this minor loop metal wire.
2. digital TV antenna according to claim 1 is characterized in that, this bonding conductor plate is a load point, connects the holding wire of a transmission line.
3. digital TV antenna according to claim 1 is characterized in that, this mobile device is a digital television stick.
4. digital TV antenna according to claim 1 is characterized in that, this first, second, third, fourth and the 5th radiation conductor is positioned at the inner surface of this mobile device shell.
5. digital TV antenna according to claim 4, it is characterized in that, the inner surface of this shell has one first side, one second side of facing this first side and a bottom surface that connects this first side and this second side, this first radiation conductor is laid in this bottom surface, this second radiation conductor and the 3rd radiation conductor are laid in this first side, and the 4th radiation conductor and the 5th radiation conductor are laid in this second side.
6. digital TV antenna according to claim 1 is characterized in that, this first, second, third, fourth and the 5th radiation conductor is in order to receive the Digital Television frequency range of 470MHz to 870MHz.
7. digital TV antenna according to claim 1 is characterized in that, this second radiation conductor has nine folded end, and the 3rd radiation conductor has five folded end, and the 5th radiation conductor has five folded end.
8. digital TV antenna according to claim 1, it is characterized in that, this minor loop metal wire of this second radiation conductor is connected in a side of this folded end bottom of this second radiation conductor, this minor loop metal wire of the 3rd radiation conductor is connected in a side of this folded end bottom of the 3rd radiation conductor, and this minor loop metal wire of the 5th radiation conductor is connected in a side of this folded end bottom of the 5th radiation conductor.
9. digital TV antenna according to claim 1 is characterized in that, this spirality metal line of this first radiation conductor has 9 circle loops, and this spirality metal line of the 4th radiation conductor has 3 circle loops.
10. digital TV antenna according to claim 1 is characterized in that, this complications major cycle metal wire of this second radiation conductor, the 3rd radiation conductor and the 5th radiation conductor all has the outward appearance of a continuous S-shaped respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101335825A CN101325286B (en) | 2008-07-17 | 2008-07-17 | Digital television antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101335825A CN101325286B (en) | 2008-07-17 | 2008-07-17 | Digital television antenna |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101325286A CN101325286A (en) | 2008-12-17 |
| CN101325286B true CN101325286B (en) | 2011-12-07 |
Family
ID=40188698
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008101335825A Expired - Fee Related CN101325286B (en) | 2008-07-17 | 2008-07-17 | Digital television antenna |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101325286B (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2101329U (en) * | 1991-09-13 | 1992-04-08 | 上海天下电子电器有限公司 | Miniature tv receiving antenna |
| CN1260072A (en) * | 1997-03-27 | 2000-07-12 | 夸尔柯姆股份有限公司 | Dual-band helical antenna |
| CN200969398Y (en) * | 2006-10-24 | 2007-10-31 | 东莞骅国电子有限公司 | Ultrahigh frequency digital television antenna |
-
2008
- 2008-07-17 CN CN2008101335825A patent/CN101325286B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2101329U (en) * | 1991-09-13 | 1992-04-08 | 上海天下电子电器有限公司 | Miniature tv receiving antenna |
| CN1260072A (en) * | 1997-03-27 | 2000-07-12 | 夸尔柯姆股份有限公司 | Dual-band helical antenna |
| CN200969398Y (en) * | 2006-10-24 | 2007-10-31 | 东莞骅国电子有限公司 | Ultrahigh frequency digital television antenna |
Non-Patent Citations (1)
| Title |
|---|
| JP特开2007-312359A 2007.11.29 |
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| Publication number | Publication date |
|---|---|
| CN101325286A (en) | 2008-12-17 |
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| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111207 Termination date: 20130717 |