CN207994075U - A kind of full frequency band car antenna - Google Patents
A kind of full frequency band car antenna Download PDFInfo
- Publication number
- CN207994075U CN207994075U CN201721884194.1U CN201721884194U CN207994075U CN 207994075 U CN207994075 U CN 207994075U CN 201721884194 U CN201721884194 U CN 201721884194U CN 207994075 U CN207994075 U CN 207994075U
- Authority
- CN
- China
- Prior art keywords
- feeder line
- antenna
- pcb board
- type feeder
- adapter
- 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
Links
Abstract
The utility model discloses a kind of full frequency band car antennas, including lid and sticker, there is pcb board in lid and is arranged in the positive primary antenna of pcb board, power module, interface module, passive antenna and the match circuit at the back side, the passive antenna has multichannel parasitism branch, the pcb board is also connected with function module adapter by feeder line, the feeder line includes the different K-type feeder line of color, c-type feeder line and D type feeder lines, and the function module adapter includes radio module adapter, 3G/4G communication modules adapter and GPS/ Beidou positioning module adapters；The primary antenna of this antenna, passive antenna and match circuit constitute the monopole antenna coupled with ground, and multiple resonance points can be formed by way of strong-and weak-coupling after introducing multichannel parasitism branch, to expand bandwidth, achieve the purpose that full frequency band covering；And mistake proofing matching is carried out to different adapters by the feeder line of different colours, using more convenient.
Description
Technical field
The utility model is related to a kind of antenna, more particularly to a kind of full frequency band car antenna.
Background technology
With the fast development of mobile communications network, the network that different mobile operator is used is different, have GSM,
The communication networks such as CDMA, WCDMA, 3G, 4G, and the communication network being typically different needs to occupy different frequency spectrum resources, therefore it is right
There should be numerous different network communication frequency ranges.
This will cover so wide band limits, meet for the common external whiplike car antenna of existing automobile
Normal cluster and call in automobile full frequency band network, it has also become urgent problem to be solved at present.
Utility model content
The purpose of this utility model is that in view of the deficiencies of the prior art, proposing a kind of full frequency band car antenna, Neng Goushi
The covering of existing full frequency band.
Technical solution adopted by the utility model to solve its technical problems is：A kind of full frequency band car antenna, including by
The lid of upper cover and lower cover composition, the lower lid are equipped with sticker, have in the lid pcb board and setting pcb board just
The back side of the primary antenna in face, the pcb board is also respectively provided with power module, interface module, passive antenna and match circuit, institute
There is the passive antenna stated multichannel parasitism branch, the pcb board to be also connected with function module adapter by the feeder line of 50 Ω,
The feeder line includes the different K-type feeder line of color, c-type feeder line and D type feeder lines, and the function module adapter includes connection
Radio module adapter on K-type feeder line, the 3G/4G communication modules adapter being connected on c-type feeder line and it is connected to the feedback of D types
GPS/ Beidou positioning module adapters on line.
A kind of car antenna of band RF amplifiers is additionally provided with RF amplifiers, RF amplifications on pcb board
Device by be linked in sequence the signal generating circuit that baseband digital signal is handled, generates original radio frequency signal, penetrated to original
Frequency signal handled, obtains two-way radiofrequency signal signal processing circuit carries out radiofrequency signal power amplification, obtains three tunnels
The combiner for amplifying three power amplifiers of radiofrequency signal and being combined to three tunnels amplification radiofrequency signal forms.
The utility model has the beneficial effects that：Primary antenna, passive antenna and match circuit constitute with the monopole that couples
Antenna, multiple resonance points can be formed by way of strong-and weak-coupling by introducing after multichannel parasitism branch reaches to expand bandwidth
The purpose of full frequency band covering；And mistake proofing matching is carried out to different adapters by the feeder line of different colours, using more convenient.
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, 31-power modules, 32-interface modules, 33-match circuits,
34-passive antennas, 35-primary antennas, 4-RF amplifiers, 41-signal generating circuits, 42-signal processing circuits, 43-work(
Rate amplifier, 44-combiners, 5-stickers, 6-feeder lines, 61-K-type feeder lines, 62-c-type feeder lines, 63-D type feeder lines, 7-work(
Energy module adapter, 71-radio module adapters, 72-3G/4G communication module adapters, 73-GPS/ Beidou positioning modules
Adapter.
Specific implementation mode
As shown in Figure 1 and Figure 2, the utility model discloses a kind of full frequency band car antennas, including by 1 group of upper cover 2 and lower cover
At lid, the lower cover 1 be equipped with sticker 5, it is described for being fixed on the position that on metal body or other are nonmetallic
It is provided with pcb board 3 in lid and is arranged in 3 positive primary antenna 35 of pcb board, the back side of the pcb board 3 is also respectively provided with electricity
Source module 31, interface module 32, passive antenna 34 and match circuit 33, the passive antenna 34 have multichannel parasitism branch,
Wherein primary antenna 35, passive antenna 34 and match circuit 33 constitute with the monopole antenna that couples, it is complete using passive antenna 34
Full package primary antenna 35 generates low frequency by coupling with primary antenna 35, and increases the match circuit for improving high frequency at antenna back
33, after introducing multichannel parasitism branch multiple resonance points can be formed by way of strong-and weak-coupling reaches to expand bandwidth
The purpose of full frequency band covering；The pcb board 3 is also connected with function module adapter 7, the feedback by the feeder line 6 of 50 Ω
Line 6 includes different K-type feeder line 61, c-type feeder line 62 and the D types feeder line 63 of color, and the function module adapter 7 includes connection
Radio module adapter 71 on K-type feeder line 61（K heads）, the 3G/4G communication modules adapter 72 that is connected on c-type feeder line 62
（C heads）With the GPS/ Beidou positioning modules adapter 73 being connected on D types feeder line 63（D heads）, it is not only powerful, but also pass through
The feeder line 6 of different colours carries out mistake proofing matching to different adapters, using more convenient.
With reference to shown in Fig. 3, RF amplifiers 4 are additionally provided on the pcb board 3, the RF amplifiers 4 are by being linked in sequence
The signal generating circuit 41 that baseband digital signal is handled, generates original radio frequency signal, to original radio frequency signal carry out
The signal processing circuit 42 of two-way radiofrequency signal is handled, obtained, power amplification is carried out to radiofrequency signal, obtains three tunnels amplification radio frequency
Three power amplifiers 43 of signal and to three tunnels amplification radiofrequency signal be combined device 44 form；To compensate transmission channel damage
Consumption, improves the system sensitivity of car-mounted device, can effectively solve the problem that car networking apparatus system sensitivity degree in the prior art carries
It rises and there is limited technical problem, and then reach the technique effect for further increasing car networking system sensitivity.
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 full frequency band car antenna, it is characterised in that：Including by upper cover（2）And lower cover（1）The lid of composition, under described
Lid（1）It is equipped with sticker（5）, have pcb board in the lid（3）With setting in pcb board（3）Positive primary antenna（35）, institute
State pcb board（3）The back side be also respectively provided with power module（31）, interface module（32）, passive antenna（34）And match circuit
（33）, the passive antenna（34）With multichannel parasitism branch, the pcb board（3）Also pass through feeder line（6）It connects functional
Module adapter（7）, the feeder line（6）Including the different K-type feeder line of color（61）, c-type feeder line（62）With D type feeder lines
（63）, the function module adapter（7）Including being connected to K-type feeder line（61）On radio module adapter（71）, connection
In c-type feeder line（62）On 3G/4G communication module adapters（72）Be connected to D type feeder lines（63）On GPS/ Big Dipper positioning moulds
Block adapter（73）.
2. a kind of full frequency band car antenna according to claim 1, which is characterized in that the pcb board（3）On also set up
There are RF amplifiers（4）, the RF amplifiers（4）By the signal generating circuit being linked in sequence（41）, signal processing circuit（42）、
Three power amplifiers（43）And combiner（44）Composition.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721884194.1U CN207994075U (en) | 2017-12-28 | 2017-12-28 | A kind of full frequency band car antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721884194.1U CN207994075U (en) | 2017-12-28 | 2017-12-28 | A kind of full frequency band car antenna |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207994075U true CN207994075U (en) | 2018-10-19 |
Family
ID=63817275
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721884194.1U Expired - Fee Related CN207994075U (en) | 2017-12-28 | 2017-12-28 | A kind of full frequency band car antenna |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207994075U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112510361A (en) * | 2019-09-16 | 2021-03-16 | 北京小米移动软件有限公司 | Passive antenna and antenna system |
-
2017
- 2017-12-28 CN CN201721884194.1U patent/CN207994075U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112510361A (en) * | 2019-09-16 | 2021-03-16 | 北京小米移动软件有限公司 | Passive antenna and antenna system |
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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: 20181019 Termination date: 20201228 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |