CN108110406A - A kind of reception dual-band antenna of digital ground video broadcast system - Google Patents
A kind of reception dual-band antenna of digital ground video broadcast system Download PDFInfo
- Publication number
- CN108110406A CN108110406A CN201711359952.2A CN201711359952A CN108110406A CN 108110406 A CN108110406 A CN 108110406A CN 201711359952 A CN201711359952 A CN 201711359952A CN 108110406 A CN108110406 A CN 108110406A
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- Prior art keywords
- band
- metal
- shaped bending
- trident
- antenna
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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
- H01Q1/36—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
- H01Q1/12—Supports; Mounting means
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/12—Supports; Mounting means
- H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
- H01Q1/24—Supports; Mounting means by structural association with other equipment or articles with receiving set
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
Landscapes
- Variable-Direction Aerials And Aerial Arrays (AREA)
Abstract
The present invention relates to the reception antenna technical fields of vehicle-mounted digital terrestrial digital video broadcasting system, more particularly to a kind of reception dual-band antenna of digital ground video broadcast system, including VHF frequency ranges element antenna and uhf band yagi aerial, VHF frequency ranges element antenna includes a reversed S-shaped bending metals band in horizontal plane and a positive S-shaped bending metals band, and uhf band yagi aerial includes the rice font master drive unit in vertical plane, double phase inverters in double directors and vertical plane in horizontal plane.The present invention is mounted on common rotating structural elements by using by VHF frequency ranges folded antenna and uhf band yagi aerial, suitable for receiving the digital ground video broadcast signal of two-band and by sharing servo-drive system mode, to realize in the automotive environment using effective reception of the single antenna system to full frequency band digital video broadcast-terrestrial signal having the characteristics that low section structure, installation are simple and integrated level is high.
Description
Technical field
Reception antenna technical field more particularly to a kind of number the present invention relates to vehicle-mounted digital terrestrial digital video broadcasting system
The reception dual-band antenna of terrestrial digital video broadcasting system.
Background technology
Digital ground video broadcast system is that one kind is transmitted as major way with surface wave, occupies traditional broadcast television
The regional broadcast television system of VHF and uhf band, the digital signal of transmission can support SD and HD video to transmit,
It is effective supplement to current wired broadcasting television system.With becoming weaker and weaker day by day for traditional analog broadcasting and TV signal, this
Kind has both digital data transmission and the digital ground video broadcast system of mobile transmission characteristic highlights its advantage, can effectively expire
The demand of sufficient mobility and video quality.At present, internationally recognized DTV, which discloses, is labeled as DVB (Digital Video
Broadcasting), wherein DVB-T is terrestrial wireless standard.At present, DVB-T standards have use in the world, mainly
Europe and north America region are concentrated on, and China mainly uses DTMB standards.With in standard there are certain difference, but in work
On working frequency, either DVB-T or DTMB have continued to use traditional broadcast TV channel, i.e. VHF and uhf band.
The application scenarios of digital ground video broadcasting are mainly mobile context or do not possess circuit covering scene, receive eventually
There are two big primary categories of handheld terminal and car-mounted terminal at end.China is before and after 2010, and once more popularization was based on mobile phone terminal
DTMB business, but later with the development of mobile Internet, DTMB is gradually substituted.But in scarcely populated area, number
The application market that word terrestrial broadcast television still has its huge.In addition, in European and American areas, DVB-T also has great application market,
Customer group is predominantly using mobile traffics such as caravans as the consumer groups of representative.Vehicle-mounted reception terminal generally has great
Flexibility and mobility, it is therefore desirable to which relevant DTB Digital Terrestrial Broadcasting reception system can realize full frequency band covering and automatic signal
Search.Relevant reception antenna system is more rare in China market, therefore there is an urgent need to the digital grounds with full frequency band to regard
Frequency broadcast receiving aerial.
The content of the invention
The present invention provides a kind of reception double frequencies for being adapted to the vehicle-mounted digital ground video broadcast system for waiting application scenarios
Antenna.
In order to achieve the object of the present invention, used technical solution is：A kind of digital ground video broadcast system connects
Dual-band antenna is received, including VHF frequency ranges element antenna and uhf band yagi aerial, VHF frequency ranges element antenna is included in horizontal plane
One reversed S-shaped bending metals band and a positive S-shaped bending metals band, reversed S-shaped bending metals band and positive S-shaped
Bending metals band forms the radiating doublet unit of a pair of of mirror image；Uhf band yagi aerial includes the rice font master in vertical plane
Double phase inverters in double directors and vertical plane in exciting unit, horizontal plane, rice font master drive unit include the first claw type
Metal trident stripe cell and the second claw type metal trident stripe cell, the first claw type metal trident stripe cell and the second claw type
Mirror-image structure, double directors include the first metal plate-like spaced apart in a pair of of horizontal plane to metal trident stripe cell each other
Unit and the second metal plate-like unit, double phase inverters include vertical plane in the first horizontal positioned metal column spaced apart and
Second metal column, the first metal plate-like unit and the second metal plate-like unit are located at the first claw type metal trident stripe cell
With the front of the second claw type metal trident stripe cell, the first metal column and the second metal column are located at the first claw type metal three
Pitch the rear of stripe cell and the second claw type metal trident stripe cell, reversed S-shaped bending metals band and positive S-shaped bending gold
Belong to band and be located at the rear of the first claw type metal trident stripe cell and the second claw type metal trident stripe cell, and be located at
The top of first metal column and the second metal column.
As the prioritization scheme of the present invention, the reception dual-band antenna of digital ground video broadcast system further includes a pair vertically
Parallel the first metal band and the second metal band in face, the first metal band are connected with reversed S-shaped bending metals band,
Second metal band is connected with positive S-shaped bending metals band, and the lower end of the first metal band is provided with the first metal throuth hole, and second
The lower end of metal band is provided with the second metal throuth hole, and the first metal throuth hole and the second metal throuth hole form a pair of parallel antenna feed
Point.
As the prioritization scheme of the present invention, the length of reversed S-shaped bending metals band and positive S-shaped bending metals band
Equal length, reversed S-shaped bending metals band are that VHF frequency range centre frequencies correspond to work with positive S-shaped bending metals band
The half of wavelength.
As the prioritization scheme of the present invention, reversed S-shaped bending metals band and positive S-shaped bending metals band each own two
A bending corresponds to operation wavelength between bending at intervals of 0.1 VHF frequency range centre frequency.
As the prioritization scheme of the present invention, the curved end of reversed S-shaped bending metals band and positive S-shaped bending metals
The curved end of band first forms common linear structure, then bents into parallel construction, the bending of reversed S-shaped bending metals band
The parallel construction of end and the parallel construction of curved end of positive S-shaped bending metals band be directed to the first metal plate-like
Unit.
As the prioritization scheme of the present invention, the first metal plate-like unit and the second metal plate-like unit in the horizontal plane between
Away from corresponding to operation wavelength for 0.15~0.2 uhf band centre frequency.
As the prioritization scheme of the present invention, the spacing of the first metal column and the second metal column in the horizontal plane for 0.15~
0.2 uhf band centre frequency corresponds to operation wavelength.
As the prioritization scheme of the present invention, the first claw type metal trident stripe cell and the second claw type metal trident band list
Spacing of the member in the horizontal direction with the first metal plate-like unit in the horizontal plane is 0.15~0.2 uhf band centre frequency pair
Answer operation wavelength.
The present invention has positive effect：1) compared with prior art, the present invention is directed to vehicle-mounted digital terrestrial digital video broadcasting
The application demand that signal receives, provides a kind of double antenna, and the antenna of two frequency ranges can be passed through using Back-to-back installation
Servo-drive system realization is shared to effective search of full frequency band digital video broadcast signal and is received, there is double frequency-band, width work frequency
The characteristics of band, volume compact and low section, convenient for batch production；
2) present invention is received for car-mounted terminal under digital ground video broadcast signal service application scene, by using general
VHF frequency ranges folded antenna and uhf band yagi aerial are mounted on common rotating structural elements, suitable for receiving two-band
The digital ground video broadcast signal of (VHF and uhf band) and by sharing servo-drive system mode, to realize in the automotive environment
Using effective reception of the single antenna system to full frequency band digital video broadcast-terrestrial signal, there is low section structure, installation
The features such as simple and integrated level is high waits application scenarios suitable for vehicle-mounted.
Description of the drawings
The present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.
Fig. 1 is the structure chart of inventive antenna；
Fig. 2 is the structure chart of inventive antenna and stent；
Fig. 3 is the top view of Fig. 2；
Fig. 4 is the side view of Fig. 2；
Wherein：1st, reversed S-shaped bending metals band, 2, positive S-shaped bending metals band, the 3, first metal band, 4, the
Two metal bands, the 5, first metal throuth hole, the 6, second metal throuth hole, the 7, the 3rd metal throuth hole, the 8, the 4th metal throuth hole, 9, first
Claw type metal trident stripe cell, the 10, second claw type metal trident stripe cell, the 11, first metal plate-like unit, 13, second
Metal plate-like unit, 12, fifth metal through hole, the 14, the 6th metal throuth hole, the 15, first metal column, the 16, second metal column.
Specific embodiment
As shown in Figs 1-4, the invention discloses a kind of reception dual-band antenna of digital ground video broadcast system, including
VHF frequency ranges element antenna and uhf band yagi aerial, VHF frequency ranges element antenna include a reversed S-shaped bending in horizontal plane
Metal band 1 and a positive S-shaped bending metals band 2, reversed S-shaped bending metals band 1 and positive S-shaped bending metals band
2 form the radiating doublet unit of a pair of of mirror image；Uhf band yagi aerial includes rice font master drive unit, water in vertical plane
Double phase inverters in double directors and vertical plane in plane, rice font master drive unit include the first claw type metal trident band
9 second claw type metal trident stripe cell 10 of unit, the first claw type metal trident stripe cell 9 and the second claw type metal trident item
Mirror-image structure, double directors include 11 He of the first metal plate-like unit spaced apart in a pair of of horizontal plane to tape cell 10 each other
Second metal plate-like unit 13, double phase inverters include the first horizontal positioned metal column 15 spaced apart and the in vertical plane
Two metal columns 16, the first metal plate-like unit 11 and the second metal plate-like unit 13 are located at the first claw type metal trident stripe cell
9 and second claw type metal trident stripe cell 10 front, the first metal column 15 and the second metal column 16 are located at the first claw type gold
Belong to the rear of trident stripe cell 9 and the second claw type metal trident stripe cell 10, reversed S-shaped bending metals band 1 and forward direction S
After shape bending metals band 2 is located at the first claw type metal trident stripe cell 9 and the second claw type metal trident stripe cell 10
Side, and positioned at the top of the first metal column 15 and the second metal column 16.Wherein, the first claw type metal trident stripe cell 9 and
The feed point of two claw type metal trident stripe cells 10 is located at the first claw type metal trident stripe cell 9 and the second claw type metal trident
The trident joint of stripe cell 10, VHF frequency ranges element antenna and uhf band yagi aerial are using horizontal back-to-back installation side
Formula is installed on common structural member (stent), digital ground can be regarded with rotational structure and control program realization by coordinating
Effective reception of frequency broadcast singal.
The reception dual-band antenna of digital ground video broadcast system further includes the first parallel metal in a pair of of vertical plane
3 and second metal band 4 of band, the first metal band 3 are connected with reversed S-shaped bending metals band 1,4 He of the second metal band
Positive S-shaped bending metals band 2 is connected, and the lower end of the first metal band 3 is provided with the first metal throuth hole 5, the second metal band 4
Lower end is provided with the second metal throuth hole 6, and the first metal throuth hole 5 and the second metal throuth hole 6 form a pair of parallel antenna feed point, and first
5 and second metal throuth hole 6 of metal throuth hole is also used as screw fixing hole.
The equal length of the length of reversed S-shaped bending metals band 1 and positive S-shaped bending metals band 2, reversed S-shaped are curved
The sum of bent metal band 1 and length of positive S-shaped bending metals band 2 correspond to the one of operation wavelength for VHF frequency range centre frequencies
Half.
Reversed S-shaped bending metals band 1 and positive S-shaped bending metals band 2 each there are two bending, between bending between
It is divided into 0.1 VHF frequency range centre frequency and corresponds to operation wavelength wavelength.
The curved end of reversed S-shaped bending metals band 1 and the curved end of positive S-shaped bending metals band 2 are first
Linear structure altogether is formed, then bents into parallel construction, the parallel construction of the curved end of reversed S-shaped bending metals band 1
The first metal plate-like unit 11 is directed to the parallel construction of the curved end of positive S-shaped bending metals band 2.Wherein, instead
The 3rd metal throuth hole 7, positive S-shaped bending metals item are equipped with to the parallel construction of the curved end of S-shaped bending metals band 1
Parallel construction with 2 curved end is equipped with the 4th metal throuth hole 8, and the 3rd metal throuth hole 7 and the 4th metal throuth hole 8 are used
In the fixation of screw.Fifth metal through hole 12 is offered respectively on first metal plate-like unit 11 and the second metal plate-like unit 13
With the 6th metal throuth hole 14,12 and the 6th metal throuth hole 14 of fifth metal through hole is used to the fixation of screw.
The spacing of first metal plate-like unit 11 and the second metal plate-like unit 13 in the horizontal plane is 0.15~0.2
The corresponding operation wavelength of uhf band centre frequency.
The spacing of first metal column 15 and the second metal column 16 in the horizontal plane is 0.15~0.2 uhf band center frequency
The corresponding operation wavelength of rate.
First claw type metal trident stripe cell 9 and the second claw type metal trident stripe cell 10 are in the horizontal direction with first
The spacing of metal plate-like unit 11 in the horizontal plane is the corresponding operation wavelength of 0.15~0.2 uhf band centre frequency.
Shown in Fig. 1, outline border size of the invention is diameter 350mm, height 180mm, in VHF frequency ranges and the allusion quotation of uhf band
Type gain is respectively in 3dBi and 6dBi.
As shown in Fig. 2, VHF frequency ranges element antenna and uhf band yagi aerial are mounted on common supporting structure, therefore
Rotation has concyclic, synchronizing characteristics in its horizontal plane.
As shown in figure 3, the VHF frequency ranges element antenna and uhf band yagi aerial of the present invention use back-to-back integration mode,
Antenna system whole height will not be increased, and take full advantage of space.
Particular embodiments described above has carried out the purpose of the present invention, technical solution and advantageous effect further in detail
It describes in detail bright, it should be understood that the above is only a specific embodiment of the present invention, is not intended to limit the invention, it is all
Within the spirit and principles in the present invention, any modification, equivalent substitution, improvement and etc. done should be included in the guarantor of the present invention
Within the scope of shield.
Claims (8)
1. a kind of reception dual-band antenna of digital ground video broadcast system, it is characterised in that：Including VHF frequency ranges element antenna and
Uhf band yagi aerial, the VHF frequency ranges element antenna include a reversed S-shaped bending metals band (1) in horizontal plane
With a positive S-shaped bending metals band (2), the reversed S-shaped bending metals band (1) and positive S-shaped bending metals item
Band (2) forms the radiating doublet unit of a pair of of mirror image；The rice font master that the uhf band yagi aerial is included in vertical plane swashs
Unit, double phase inverters in double directors and vertical plane in horizontal plane are encouraged, the rice font master drive unit includes first
Claw type metal trident stripe cell (9) and the second claw type metal trident stripe cell (10), the first claw type metal trident
Mirror-image structure, double directors include a pair each other for stripe cell (9) and the second claw type metal trident stripe cell (10)
First metal plate-like unit (11) spaced apart and the second metal plate-like unit (13), double phase inverters in horizontal plane
Including horizontal positioned the first metal column (15) spaced apart and the second metal column (16), first gold medal in vertical plane
Belong to plate-shaped unit (11) and the second metal plate-like unit (13) is located at the first claw type metal trident stripe cell (9) and second
The front of claw type metal trident stripe cell (10), first metal column (15) and the second metal column (16) are located at described first
The rear of claw type metal trident stripe cell (9) and the second claw type metal trident stripe cell (10), reversed S-shaped bending
Metal band (1) and positive S-shaped bending metals band (2) are located at the first claw type metal trident stripe cell (9) and second
The rear of claw type metal trident stripe cell (10), and positioned at the upper of first metal column (15) and the second metal column (16)
Side.
2. a kind of reception dual-band antenna of digital ground video broadcast system according to claim 1, it is characterised in that：Institute
The reception dual-band antenna for stating digital ground video broadcast system further includes parallel the first metal band (3) in a pair of of vertical plane
With the second metal band (4), the first metal band (3) is connected with reversed S-shaped bending metals band (1), the second metal band (4)
It is connected with positive S-shaped bending metals band (2), the lower end of first metal band (3) is provided with the first metal throuth hole (5), institute
The lower end for stating the second metal band (4) is provided with the second metal throuth hole (6), and first metal throuth hole (5) and the second metal lead to
Hole (6) forms a pair of parallel antenna feed point.
3. a kind of reception dual-band antenna of digital ground video broadcast system according to claim 1 or 2, feature exist
In：The length of reversed S-shaped bending metals band (1) and the equal length of positive S-shaped bending metals band (2), reversed S-shaped bending
The sum of metal band (1) and length of positive S-shaped bending metals band (2) correspond to operation wavelength for VHF frequency range centre frequencies
Half.
4. a kind of reception dual-band antenna of digital ground video broadcast system according to claim 3, it is characterised in that：Instead
To S-shaped bending metals band (1) and positive S-shaped bending metals band (2) each there are two bending, between bending at intervals of
0.1 VHF frequency range centre frequency corresponds to operation wavelength wavelength.
5. a kind of reception dual-band antenna of digital ground video broadcast system according to claim 4, it is characterised in that：Instead
It is first formed altogether to the curved end of the curved end of S-shaped bending metals band (1) and positive S-shaped bending metals band (2)
Linear structure, then bents into parallel construction, the parallel construction of the curved end of reversed S-shaped bending metals band (1) and just
Parallel construction to the curved end of S-shaped bending metals band (2) is directed to the first metal plate-like unit (11).
6. a kind of reception dual-band antenna of digital ground video broadcast system according to claim 1, it is characterised in that：The
The spacing of one metal plate-like unit (11) and the second metal plate-like unit (13) in the horizontal plane is 0.15~0.2 uhf band
The corresponding operation wavelength of centre frequency.
7. a kind of reception dual-band antenna of digital ground video broadcast system according to claim 1, it is characterised in that：The
Spacing of one metal column (15) with the second metal column (16) in the horizontal plane is corresponding for 0.15~0.2 uhf band centre frequency
Operation wavelength.
8. a kind of reception dual-band antenna of digital ground video broadcast system according to claim 1, it is characterised in that：The
One claw type metal trident stripe cell (9) and the second claw type metal trident stripe cell (10) in the horizontal direction with the first metallic plate
The spacing of shape unit (11) in the horizontal plane is the corresponding operation wavelength of 0.15~0.2 uhf band centre frequency.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711359952.2A CN108110406B (en) | 2017-12-13 | 2017-12-13 | Receiving double-frequency antenna of digital ground video broadcasting system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711359952.2A CN108110406B (en) | 2017-12-13 | 2017-12-13 | Receiving double-frequency antenna of digital ground video broadcasting system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108110406A true CN108110406A (en) | 2018-06-01 |
| CN108110406B CN108110406B (en) | 2023-05-23 |
Family
ID=62216436
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711359952.2A Active CN108110406B (en) | 2017-12-13 | 2017-12-13 | Receiving double-frequency antenna of digital ground video broadcasting system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108110406B (en) |
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| Publication number | Publication date |
|---|---|
| CN108110406B (en) | 2023-05-23 |
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