CN207743380U - A kind of onboard double antenna of built-in EOC - Google Patents
A kind of onboard double antenna of built-in EOC Download PDFInfo
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- CN207743380U CN207743380U CN201721581647.3U CN201721581647U CN207743380U CN 207743380 U CN207743380 U CN 207743380U CN 201721581647 U CN201721581647 U CN 201721581647U CN 207743380 U CN207743380 U CN 207743380U
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- pcb board
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Abstract
The utility model discloses a kind of onboard double antennas of built-in EOC, including EOC master chips and double antenna WIFI chips, the EOC master chips and double antenna WIFI chips are electrically welded on pcb board, pcb board front spreads copper cabling, blank back, there are two reversed F-typed onboard PCB antennas, two reversed F-typed onboard PCB antenna integral types to be welded on pcb board for setting on pcb board, and is unfolded in 90 ° of angles；Onboard PCB antenna includes antenna arm, FB feed points and ground level；L is antenna resonance length, and H is antenna height, and FB is signal feed, and S is the distance between two vertical arm, and antenna resonance length meets 1/4 λ wavelength of resonant frequency, you can work；The onboard double antenna of entire built-in EOC, the pattern carried using pcb board realize there is low cost in conjunction with monopole antenna technology isotype, and consistency is high, efficient advantage；It is suitble to large-scale production.
Description
Technical field
The utility model is related to antenna technical field, specially a kind of onboard double antenna of built-in EOC.
Background technology
In current intelligence DVB set-top boxes, all built-in EOC modules, wherein EOC modules are all with WIFI function, and MTK7628
Platform is the 2.4G frequency range WIFI of double antenna, matches the double antenna of MTK7628, is roughly divided into two kinds of types of attachment, one is metals
Plug-in unit antenna, the welding installation antenna on PCB；Another kind is built-in FPC antenna, is pasted antenna in product by double faced adhesive tape
On the inner wall of shell, while being also to be installed on pcb board by radio frequency line and IPEX female seats；Both of these case is required in PCB
Antenna is welded or be inserted on plate, causes complete machine of high cost, and production, debugging, installation are inconvenient, the bad guarantor of overall performance consistency
Card.
Invention content
The purpose of this utility model is to provide a kind of onboard double antennas of built-in EOC, for the 2.4G frequencies of current WIFI
The application of section when PCB making sheet, is disposably produced directly on Antenna Design to pcb board, realizes that zero cost is thrown
Enter, and produce, debugging, consistency is guaranteed, while saving the process in many productions, to solve to carry in above-mentioned background technology
Go out traditional equipment production, debugging, installation it is inconvenient the problem of.
To achieve the above object, the utility model provides the following technical solutions：A kind of onboard double antenna of built-in EOC, packet
EOC master chips and double antenna WIFI chips are included, the EOC master chips and double antenna WIFI chips are electrically welded on pcb board,
There are two reversed F-typed onboard PCB antennas, two reversed F-typed onboard PCB antenna integral types to be welded on pcb board for setting on pcb board
On, and be unfolded in 90 ° of angles；The onboard PCB antenna includes antenna arm, FB feed points and ground level；The ground level integral type is embedding
It closes in shiny surface of the pcb board without electrical components；The antenna arm is welded on pcb board, and solder joint is FB feed points；It is described onboard
PCB antenna is drawn the electrical components connect by FB feed points and is electrically connected with double antenna WIFI chips.
Preferably, the pcb board is the frequency PCB plate of low-loss high-temperature-resisting.
Preferably, the thickness of the pcb board is 1.6mm.
Preferably, the dielectric constant of the pcb board is 4.4.
Preferably, it is also welded with DVB-C tuners on the pcb board, connection Ethernet is plugged on DVB-C tuners
Coaxial cable.
Preferably, the double antenna WIFI chips are connect with EOC master chips by differential signal line using MIMO technology, and
The data that double antenna WIFI chips are sent are sent to through ovennodulation by the coaxial cable that DVB-C tuners connect by EOC master chips
On Ethernet.
Preferably, double network interface RJ45 are additionally provided on the pcb board.
Preferably, the structural parameters of the antenna arm be respectively resonance length L, the height H of antenna and two vertical arm it
Between distance S.
Preferably, the resonance length of the onboard PCB antenna meets 1/4 λ wavelength of resonant frequency, and resonant frequency is presented through FB
Point, which is transmitted on the length L at antenna arm copper foil corruption quarter, to be emitted and receives, and the frequency of frequency range internal antenna and the variation tendency of impedance take
Certainly in S and H.
Preferably, it is disposable to carve copper foil in pcb board board making process by corruption for described two reversed F-typed onboard PCB antennas
The manufacturing is molded on pcb board.
Compared with prior art, the utility model has the beneficial effects that：
1. the onboard double antenna of built-in EOC, by the onboard PCB antenna and double antenna WIFI chips of two " inverted f " types
（MT7628）It constitutes, two antennas are unfolded at an angle of 90, when WIFI connection equipment is connected to double antenna WIFI by the frequency of 2.4G
On chip, double antenna WIFI chips give connection equipment, double antenna WIFI chips and EOC master chips as AP route assignment IP address
It is connected by differential signal line, the data that double antenna WIFI chips are sent are passed through DVB-C tuners by EOC master chips through ovennodulation
The coaxial cable of connection is sent on Ethernet, and network process in realization, double antenna WIFI chips realize nothing by MIMO technology
The covering of line signal improves the stability of WIFI connection equipment.
2. the onboard double antenna of built-in EOC, for the application of the 2.4G frequency ranges of current WIFI, directly onboard PCB days
Line is designed on pcb board, when pcb board making sheet, is disposably produced, and is designed in this way, and almost zero cost is put into, and
And production, debugging, consistency is guaranteed, while saving the process in many productions.
3. the onboard double antenna of built-in EOC carries pattern using pcb board, realized in conjunction with the pattern of monopole antenna technology,
With low cost, consistency is high, efficient；It is suitble to large-scale production.
Description of the drawings
Fig. 1 is the overall structure diagram of the utility model；
Fig. 2 is the partial structural diagram of the utility model.
In figure：1 EOC master chips, 2 double antenna WIFI chips, 3 pcb boards, 4 onboard PCB antennas, 41 antenna arms, 42 FB
Feed point, 43 ground levels, 5 DVB-C tuners, 6 couples of network interface RJ45.
Specific implementation mode
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
The every other embodiment obtained, shall fall within the protection scope of the present invention.
- 2 are please referred to Fig.1, in the utility model embodiment：A kind of onboard double antenna of built-in EOC, including EOC master chips 1
With double antenna WIFI chips 2, EOC master chips 1 and double antenna WIFI chips 2 are electrically welded on pcb board 3, and pcb board 3 is low damage
Consume heat safe frequency PCB plate, thickness 1.6mm, dielectric constant 4.4；There are two reversed F-typed onboard for setting on pcb board 3
PCB antenna 4, two reversed F-typed onboard PCB antennas 4 are carved copper foil by corruption in 3 board making process of pcb board and are disposably manufactured
It is molded on pcb board 3, and is unfolded in 90 ° of angles；Onboard PCB antenna 4 includes antenna arm 41, FB feed points 42 and ground level 43；PCB
3 front paving copper cabling of plate, blank back, 43 integral type of ground level are entrenched in smooth backside of the pcb board 3 without electrical components；Antenna
Arm 41 is welded on pcb board 3, and solder joint is FB feed points 42, and the structural parameters of antenna arm 41 are respectively resonance length L, antenna
Height H and the distance between two vertical arm S, the resonance length of onboard PCB antenna 4 meet 1/4 λ wavelength of resonant frequency,
Resonant frequency, which is transmitted to through FB feed points 42 on the length L at 41 copper foil corruption of antenna arm quarter, to be emitted and receives, the frequency of frequency range internal antenna
S and H is depended on the variation tendency of impedance；Onboard PCB antenna 4 draws the electrical components connect and double antenna WIFI by FB feed points 42
Chip 2 is electrically connected；It is additionally provided with double network interface RJ45-6 and DVB-C tuners 5 on pcb board 3, is plugged on DVB-C tuners 5
The coaxial cable of Ethernet is connected, double antenna WIFI chips 2 are connected with EOC master chips 1 by differential signal line using MIMO technology
Connect, and EOC master chips 1 data that double antenna WIFI chips 2 are sent are connected through ovennodulation by DVB-C tuners 5 it is coaxial
Cable is sent on Ethernet.
In summary：The onboard double antenna of EOC built in this, by the onboard PCB antenna 4 and double antenna of two " inverted f " types
WIFI chips 2（MT7628）It constitutes, two antennas are unfolded at an angle of 90, when WIFI connection equipment is connected to by the frequency of 2.4G
On double antenna WIFI chips 2, double antenna WIFI chips 2 give connection equipment, double antenna WIFI cores as AP route assignment IP address
Piece 2 is connect with EOC master chips 1 by differential signal line, and the data that EOC master chips 1 send double antenna WIFI chips 2 are through toning
It makes the coaxial cable connected by DVB-C tuners 5 to be sent on Ethernet, network process in realization, double antenna WIFI chips are logical
MIMO technology is crossed, the covering of wireless signal is realized, improves the stability of WIFI connection equipment；For the 2.4G of current WIFI
The application of frequency range is directly designed into onboard PCB antenna 4 on pcb board 3, when 3 making sheet of pcb board, disposably produces
Come, design in this way, almost zero cost is put into, and is produced, debugging, and consistency is guaranteed, while being saved in many productions
Process；It uses the onboard patterns of CB, is realized in conjunction with the pattern of monopole antenna technology, has low cost, consistency is high, efficiency
It is high；It is suitble to large-scale production.
The preferable specific implementation mode of the above, only the utility model, but the scope of protection of the utility model is not
Be confined to this, any one skilled in the art within the technical scope disclosed by the utility model, according to this practicality
Novel technical solution and its utility model design are subject to equivalent substitution or change, should all cover the protection model in the utility model
Within enclosing.
Claims (10)
1. a kind of onboard double antenna of built-in EOC, which is characterized in that including EOC master chips (1) and double antenna WIFI chips (2),
The EOC master chips (1) and double antenna WIFI chips (2) are electrically welded on pcb board (3), on pcb board (3) there are two settings
Reversed F-typed onboard PCB antenna (4), two reversed F-typed onboard PCB antenna (4) integral types are welded on pcb board (3), and are in 90 °
It is unfolded at angle；The onboard PCB antenna (4) includes antenna arm (41), FB feed points (42) and ground level (43)；The ground level (43)
Integral type is entrenched in the shiny surface of pcb board (3) without electrical components；The antenna arm (41) is welded on pcb board (3), solder joint
As FB feed points (42)；The onboard PCB antenna (4) draws the electrical components connect and double antenna WIFI chips by FB feed points (42)
(2) it is electrically connected.
2. the onboard double antenna of built-in EOC according to claim 1 a kind of, which is characterized in that the pcb board (3) is low
Heat safe frequency PCB plate is lost.
3. the onboard double antenna of built-in EOC according to claim 2 a kind of, which is characterized in that the thickness of the pcb board (3)
Degree is 1.6mm.
4. the onboard double antenna of built-in EOC according to claim 3 a kind of, which is characterized in that Jie of the pcb board (3)
Electric constant is 4.4.
5. a kind of onboard double antenna of built-in EOC according to any one of claims 1-4, which is characterized in that the PCB
It is also welded with DVB-C tuners (5) on plate (3), the coaxial cable of connection Ethernet is plugged on DVB-C tuners (5).
6. the onboard double antenna of built-in EOC according to claim 1 a kind of, which is characterized in that the double antenna WIFI cores
Piece (2) is connect with EOC master chips (1) by differential signal line using MIMO technology, and EOC master chips (1) are by double antenna WIFI
The data that chip (2) is sent are sent to by the coaxial cable that DVB-C tuners (5) connect on Ethernet through ovennodulation.
7. the onboard double antenna of built-in EOC according to claim 1 a kind of, which is characterized in that on the pcb board (3) also
It is provided with double network interface RJ45 (6).
8. the onboard double antenna of built-in EOC according to claim 1 a kind of, which is characterized in that the antenna arm (41)
Structural parameters are respectively the distance between resonance length L, the height H of antenna and two vertical arm S.
9. the onboard double antenna of built-in EOC according to claim 1 a kind of, which is characterized in that the onboard PCB antenna
(4) resonance length meets 1/4 λ wavelength of resonant frequency, and resonant frequency is transmitted to antenna arm (41) copper foil through FB feed points (42)
Emit on the length L that corruption is carved and receive, the frequency of frequency range internal antenna and the variation tendency of impedance depend on S and H.
10. the onboard double antenna of built-in EOC according to claim 1 a kind of, which is characterized in that described two reversed F-typed
Onboard PCB antenna (4) carves copper foil in pcb board (3) board making process by corruption, and disposably the manufacturing is molded on pcb board (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721581647.3U CN207743380U (en) | 2017-11-23 | 2017-11-23 | A kind of onboard double antenna of built-in EOC |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721581647.3U CN207743380U (en) | 2017-11-23 | 2017-11-23 | A kind of onboard double antenna of built-in EOC |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207743380U true CN207743380U (en) | 2018-08-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721581647.3U Active CN207743380U (en) | 2017-11-23 | 2017-11-23 | A kind of onboard double antenna of built-in EOC |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108574133A (en) * | 2017-11-23 | 2018-09-25 | 上海龙晶科技有限公司 | A kind of onboard double antenna of built-in EOC |
-
2017
- 2017-11-23 CN CN201721581647.3U patent/CN207743380U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108574133A (en) * | 2017-11-23 | 2018-09-25 | 上海龙晶科技有限公司 | A kind of onboard double antenna of built-in EOC |
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