CN207753155U - A kind of car antenna of band RF amplifiers - Google Patents
A kind of car antenna of band RF amplifiers Download PDFInfo
- Publication number
- CN207753155U CN207753155U CN201721882609.1U CN201721882609U CN207753155U CN 207753155 U CN207753155 U CN 207753155U CN 201721882609 U CN201721882609 U CN 201721882609U CN 207753155 U CN207753155 U CN 207753155U
- Authority
- CN
- China
- Prior art keywords
- amplifiers
- pcb board
- feeder line
- lid
- band
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses a kind of car antennas of band RF amplifiers, it include the lid being made of upper cover and lower cover, cavity is equipped in the lower cover, circular magnet piece is installed in the cavity, the RF amplifiers that the flat thin magnet is sequentially arranged above pcb board and is connected to above pcb board, it is provided with power module and interface module on the pcb board, the RF amplifiers are by the signal generating circuit that is linked in sequence, signal processing circuit, power amplifier and combiner composition, the feeder line of connecting PCB board is additionally provided with outside the lid, feeder line is equipped with the automotive connector of connection automobile CAN-bus, latch segment is provided on automotive connector；It is fixed on metal body by the circular magnet piece of bottom when the utility model is used；Baseband digital signal is handled, amplified and is combined by the RF amplifiers on pcb board, to compensate transmission channel loss, improves the system sensitivity of car-mounted device；Latch segment can realize the secondary locking function to antenna.
Description
Technical field
The utility model is related to a kind of antenna, more particularly to a kind of car networking car antenna.
Background technology
Car networking is to pass through sensor technology, information acquiring technology, access technology, biography using vehicle as basic information unit (BIU)
Transferring technology, networking technology in one, by the roads such as pedestrian, vehicle, road side facility entity and traffic management network, mobile network with
Backup network connect, by improve traffic, improve out line efficiency, expand information exchange in the form of the intelligent comprehensive network system.
Car networking can provide one or more interfaces for any site user and access Internet traffic demand to meet user,
Realize that vehicle carries out Real-time Data Service with car networking server.The entire space of current wireless signal transmission injection, close frequencies,
The spectral radiance of powerful transmitting equipment, electrical equipment so that the chance that communication products are interfered is more and more, this
In numerous and disorderly environment, existing external whiplike car antenna is because of system sensitivity and data transmission bauds is low has been difficult to car networking pair
The requirement of antenna.
Utility model content
The purpose of this utility model is that in view of the deficiencies of the prior art, propose a kind of car antenna of band RF amplifiers,
The system sensitivity and data transmission bauds of antenna can be improved.
Technical solution adopted by the utility model to solve its technical problems is：A kind of car antenna of band RF amplifiers,
Include the lid being made of upper cover and lower cover, cavity be equipped in the lower cover, circular magnet piece is installed in the cavity,
The flat thin magnet is sequentially arranged above pcb board and the RF amplifiers that are connected to above pcb board, is arranged on the pcb board
There are a power module and interface module, the RF amplifiers handle baseband digital signal, generated original by being linked in sequence
The signal generating circuit of beginning radiofrequency signal, the signal processing that original radio frequency signal is handled, obtains two-way radiofrequency signal electricity
Road carries out radiofrequency signal power amplification, obtains two power amplifiers of two-way amplification radiofrequency signal and penetrated to two-way amplification
The combiner composition that frequency signal is combined, the lid are additionally provided with the feeder line of 50 Ω of connecting PCB board, are set on feeder line outside
There is the automotive connector of connection automobile CAN-bus, latch segment is provided on automotive connector.
A kind of car antenna of band RF amplifiers, feeder line include main feeder and stretched out by main feeder multiple
Feeder line.
The utility model has the beneficial effects that：It is fixed on metal body by the circular magnet piece of bottom when use；It is logical
The RF amplifiers crossed on pcb board handle baseband digital signal, amplified and are combined, and to compensate transmission channel loss, carry
The system sensitivity of high car-mounted device；It is provided with latch segment on automotive connector, it can be achieved that secondary locking function to antenna.
Description of the drawings
Fig. 1 is the overall structure diagram of the utility model；
Fig. 2 is the decomposition diagram of the utility model；
Fig. 3 is the circuit block diagram of the utility model RF amplifiers.
Each reference numeral is：1-lower cover, 2-upper covers, 3-pcb boards, 31-power modules, 32-interface modules, 4-RF
Amplifier, 41-signal generating circuits, 42-signal processing circuits, 43-power amplifiers, 44-combiners, 5-flat thin magnets,
6-feeder lines, 7-automotive connectors, 8-latch segments.
Specific implementation mode
As shown in Figure 1 and Figure 2, the utility model discloses a kind of car antennas of band RF amplifiers, including include by upper cover 2
The lid formed with lower cover 1, the lower cover 1 is interior to be equipped with cavity, circular magnet piece 5 is equipped in the cavity, for solid
It is scheduled on metal body, the flat thin magnet 5 is sequentially arranged above pcb board 3 and is connected to the RF amplifiers of 3 top of pcb board
4, be provided with power module 31 and interface module 32 on the pcb board 3, for connect automobile power source and with other mobile units
Connection, the RF amplifiers 4 are by the signal for being handled baseband digital signal, generating original radio frequency signal that is linked in sequence
Occur circuit 41, original radio frequency signal is handled, obtains two-way radiofrequency signal signal processing circuit 42, to radiofrequency signal
Power amplification is carried out, two power amplifiers 43 of two-way amplification radiofrequency signal is obtained and two-way amplification radiofrequency signal is closed
Road device 44 forms, and to compensate transmission channel loss, improves the system sensitivity of car-mounted device, can effectively solve the problem that in the prior art
Car networking apparatus system sensitivity degree promoted and there is limited technical problem, and then reach and further increase car networking system spirit
The technique effect of sensitivity.
The feeder line 6 of 50 Ω of connecting PCB board 3 is additionally provided with outside the lid, wherein feeder line 6 is including main feeder and by leading
The multiple feeder lines that feeder line stretches out, feeder line 6 are equipped with the automotive connector 7 of connection automobile CAN-bus, are set on automotive connector 7
It is equipped with latch segment 8, to realize that the secondary locking function to antenna, multiple feeder lines can be arranged the sheath of different colours, pass through face
Color and Anti-error structure are preferably matched, and are made connector and sheath be not easy to obscure, are easily installed.
The above, the only preferred embodiment of the utility model, therefore the utility model implementation cannot be limited with this
Range all should still belong to this that is, according to equivalent changes and modifications made by present utility model application the scope of the claims and description
In the range of utility model patent is covered.
Claims (2)
1. a kind of car antenna of band RF amplifiers, it is characterised in that：Including by upper cover（2）And lower cover（1）The lid of composition, institute
The lower cover stated（1）It is interior to be equipped with cavity, circular magnet piece is installed in the cavity（5）, the flat thin magnet（5）Top is successively
It is provided with pcb board（3）Be connected to pcb board（3）The RF amplifiers of top（4）, the pcb board（3）On be provided with power supply mould
Block（31）And interface module（32）, the RF amplifiers（4）By the signal generating circuit being linked in sequence（41）, signal processing electricity
Road（42）, two power amplifiers（43）And combiner（44）Composition, the lid are additionally provided with connecting PCB board outside（3）
Feeder line（6）, feeder line（6）It is equipped with the automotive connector of connection automobile CAN-bus（8）, automotive connector（8）On be provided with lock
Tight block（7）.
2. a kind of car antenna of band RF amplifiers according to claim 1, which is characterized in that the feeder line（6）Packet
The multiple feeder lines for including main feeder and being stretched out by main feeder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721882609.1U CN207753155U (en) | 2017-12-28 | 2017-12-28 | A kind of car antenna of band RF amplifiers |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721882609.1U CN207753155U (en) | 2017-12-28 | 2017-12-28 | A kind of car antenna of band RF amplifiers |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207753155U true CN207753155U (en) | 2018-08-21 |
Family
ID=63151211
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721882609.1U Expired - Fee Related CN207753155U (en) | 2017-12-28 | 2017-12-28 | A kind of car antenna of band RF amplifiers |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207753155U (en) |
-
2017
- 2017-12-28 CN CN201721882609.1U patent/CN207753155U/en not_active Expired - Fee Related
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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: 20180821 Termination date: 20201228 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |