CN209183750U - A kind of shark fins car antenna - Google Patents
A kind of shark fins car antenna Download PDFInfo
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- CN209183750U CN209183750U CN201920153467.8U CN201920153467U CN209183750U CN 209183750 U CN209183750 U CN 209183750U CN 201920153467 U CN201920153467 U CN 201920153467U CN 209183750 U CN209183750 U CN 209183750U
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- shark fins
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- car
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Abstract
The utility model relates to antenna technical fields, more particularly to a kind of shark fins car antenna, it is installed vertically on pedestal by setting LTE 4G primary antenna, LTE 4G slave antenna and AM/FM antenna, and LTE 4G primary antenna and LTE 4G slave antenna are located at AM/FM antenna two sides and perpendicular with AM/FM antenna；GNSS navigation antenna component is mounted on the base and closes on the fin point setting of shark fin-shaped shell, to realize GNSS navigation antenna, LTE 4G primary antenna, LTE 4G slave antenna, AM antenna, FM antenna five in one antenna on shark fins car antenna, and then realize the good compatibility of Global Navigation System, and it can realize that the maximum extent antenna size minimizes in the case where five GNSS navigation antenna, LTE 4G primary antenna, LTE 4G slave antenna, AM antenna, FM antenna antennas are not interfere with each other.
Description
Technical field
The utility model relates to antenna technical field more particularly to a kind of shark fins car antennas.
Background technique
With being showing improvement or progress day by day for Information technology, the equal court such as navigation system, communication system and multimedia system of electronic equipment
Miniaturization, intelligentized direction develop.For navigation system, it is changed into more constellations simultaneously from the single GPS epoch
The compatible GNSS new era is deposited, the globalization of satellite navigation system and enhancing multimode are promoted.
Current, individual GPS/ Beidou antenna, 4G antenna, WIFI antenna occupy the very big share in market, there is also with
Lower drawback: occupied space is bigger when client installs, and construction wiring is inconvenient, increases artificial and Material Cost, reduce production and
Later period assembly efficiency.These are all that those skilled in the art do not expect to see.
Utility model content
In view of the above problems, the utility model discloses a kind of shark fins car antennas, wherein including shark fins
Shell and pedestal, the shark fins shell and the pedestal interconnect to form an accommodating space, and the accommodating is empty
It is interior to be provided with non-touching LTE 4G primary antenna, LTE 4G slave antenna, AM/FM antenna module and GNSS navigation antenna group
Part；
The LTE 4G primary antenna, LTE 4G slave antenna and the AM/FM antenna module are installed vertically on the pedestal
On, the LTE 4G primary antenna and the LTE 4G slave antenna be located at AM/FM antenna module two sides and with it is described
AM/FM antenna module is perpendicular；The GNSS navigation antenna component is installed on the pedestal and closes on the shark fins shell
Fin point setting；
Wherein, the AM/FM antenna module include the first pcb board and the AM antenna that is set on first pcb board and
FM antenna；
The GNSS navigation antenna component includes the second pcb board, double-fed ceramic antenna and shielding case, double-fed ceramics day
Line and the shielding case are separately positioned on the different sides of second pcb board.
Above-mentioned utility model is with the following advantages or beneficial effects:
The utility model discloses a kind of shark fins car antennas, by the way that LTE 4G primary antenna, LTE 4G slave antenna is arranged
It is installed vertically on pedestal with AM/FM antenna, and LTE 4G primary antenna and LTE 4G slave antenna are located at AM/FM antenna
Two sides are simultaneously perpendicular with AM/FM antenna；GNSS navigation antenna component is mounted on the base and closes on the fin of shark fin-shaped shell
Point setting, to realize GNSS navigation antenna, LTE 4G primary antenna, LTE 4G slave antenna, AM on shark fins car antenna
Antenna, FM antenna five in one antenna, and then realize the good compatibility of Global Navigation System, and can be in GNSS navigation antenna, LTE
In the case that five 4G primary antenna, LTE 4G slave antenna, AM antenna, FM antenna antennas are not interfere with each other, day is realized to the maximum extent
Linear dimension minimizes, and the GNSS navigation antenna component uses double-fed ceramic antenna, since double-fed ceramic antenna is with broader
Bandwidth, so as to better meet the design and application requirement of GNSS navigation antenna component wide-band.
Detailed description of the invention
Upon reading the detailed description of non-limiting embodiments with reference to the following drawings, the utility model and its spy
Sign, shape and advantage will become more apparent.Identical label indicates identical part in all the attached drawings.It can be by
Attached drawing is drawn according to ratio, it is preferred that emphasis is the purport of the utility model is shown.
Fig. 1 is the perspective view of the explosion of shark fins car antenna in the utility model embodiment；
Fig. 2 is the circuit diagram in the utility model embodiment in GNSS navigation antenna component on pcb board；
Fig. 3 is the structural schematic diagram of double-fed ceramic antenna in the utility model embodiment.
Specific embodiment
GNSS (Global Satellite Navigation System) is also known as space-based PNT system, key effect be to provide time/space reference and
All real-time dynamic informations relevant to position.Currently, GNSS system is due to its extensive interrelationship between industries and and communications industry
Degrees of fusion, can effectively penetrate into national economy numerous areas and daily life, become high-tech industry height at
Long boost motor, become the global third after mobile communication and internet develop most fast electronics and information industry warp
Help new growing point.Due to popular, globalization speciality of its application and service, and and communicate good complementary with the network industry
Property, fusion sexual clorminance, thus the importance of GNSS system can not be ignored.
Traditional shark fin type car antenna is integrated with the various powerful automotive electronics functions such as AM/FM, GPS/ Beidou, GSM,
It can not only be by " fashion " and " functionality " effective integration, additionally it is possible to which there is the work for reducing car surface electrostatic and decorating vehicle
With.
These characteristics based on GNSS antenna and shark fin type car antenna, the utility model discloses a kind of shark fins vapour
Vehicle mounted antenna, wherein including shark fins shell and pedestal, the shark fins shell and the pedestal interconnect to form one
Accommodating space, and non-touching LTE 4G primary antenna, LTE 4G slave antenna, AM/FM antenna are provided in the accommodating space
Component and GNSS navigation antenna component；The LTE 4G primary antenna, LTE 4G slave antenna and the AM/FM antenna module are vertical
It is installed on the pedestal, the LTE 4G primary antenna and the LTE 4G slave antenna are located at the AM/FM antenna module
Two sides are simultaneously perpendicular with the AM/FM antenna module；The GNSS navigation antenna component is installed on the pedestal and closes on
The fin point of the shark fins shell is arranged；Wherein, the AM/FM antenna module includes the first pcb board and is set to described first
AM antenna and FM antenna on pcb board；The GNSS navigation antenna component includes the second pcb board, double-fed ceramic antenna and shielding
Cover, the double-fed ceramic antenna and the shielding case are separately positioned on the different sides of the 2nd PCB plate.
The utility model is further described with specific embodiment with reference to the accompanying drawing, but it is practical not as this
Novel restriction.
As shown in Figure 1, the present embodiment is related to a kind of shark fins car antenna, which is characterized in that including 1 He of shark fins shell
Pedestal 6, shark fins shell 1 and pedestal 6 interconnect to form an accommodating space, and are provided in the accommodating space mutually not
LTE 4G primary antenna 2, LTE 4G slave antenna 4, AM/FM antenna module 3 and the GNSS navigation antenna component 5 of contact； LTE 4G
Primary antenna 2, LTE 4G slave antenna 4 and AM/FM antenna module 3 are installed vertically on pedestal 6, LTE 4G primary antenna 2 and LTE
4G slave antenna 4 is located at 3 two sides of AM/FM antenna module and perpendicular with AM/FM antenna module 3；GNSS navigation antenna group
Part 5 is installed on pedestal 6 and closes on the fin point setting of shark fins shell 1；Specifically, being arranged on the shark fins shell 1 and the fin
The opposite other end in one end of point is fin point distal end, then be disposed with from fin point distal end to fin point LTE 4G primary antenna 2,
AM/FM antenna module 3, LTE 4G slave antenna 4 and GNSS navigation antenna component 5；Wherein, AM/FM antenna module 3 includes first
Pcb board and the AM antenna and FM antenna being set on the first pcb board, i.e., by by AM antenna and FM Antenna Design in a PCB
On plate, to reduce the occupancy in inner antenna space, and AM/FM antenna module uses the form of upright pcb board with convenient
AM/FM antenna module 3 is plugged on pedestal 6；The GNSS navigation antenna component 5 include the second pcb board, double-fed ceramic antenna and
Shielding case, the double-fed ceramic antenna and shielding case are separately positioned on the different sides of the second pcb board, as shown in Fig. 2, the double-fed is ceramic
Antenna is for receiving signal, and the shielding case is for shielding extraneous noise signal；Since the double-fed ceramic antenna has broader band
Width, so as to better meet the design and application requirement of GNSS navigation antenna wide-band.
Specifically, as shown in figure 3, above-mentioned second pcb board include electric bridge, load, first antenna match circuit (in figure for
With circuit 1), low-noise amplifier (being low noise in figure), the second antenna-matching circuit (being match circuit 2 in figure), filter,
Third antenna match circuit (being match circuit 3 in figure) and low pressure difference linear voltage regulator (low dropout regulator, letter
Claim LDO)；The input terminal of the electric bridge connects double-fed ceramic antenna, and the output end of electric bridge connects load and first antenna matching simultaneously
The output end of circuit, first antenna match circuit connects low-noise amplifier, and the output end of low-noise amplifier is divided into two-way,
In connected all the way by the second antenna-matching circuit, filter and third antenna match circuit, another way passes through low pressure difference linearity
Voltage-stablizer is connect with the output end of third antenna match circuit；In general, the frequency point that GNSS navigation antenna includes is more, filter
The bandwidth of wave device is wider, and the probability for introducing clutter is bigger, correspondingly, match circuit is just more difficult to debug, the customer service of this circuit
This obstacle carries out two-way input to signal using electric bridge when design and exports all the way, using signal processings streams such as amplification, filtering
Journey is filtered signal, final output useful signal, and GNSS navigation antenna is made to realize good signal reception.
In the embodiments of the present invention, since antenna casing is shark fins shell, so that the shark fins automobile
Antenna has the following advantages of shark fins antenna: 1, moulding is unique: shark fin type airflow design is used, it is completeer with body contour
Beauty combines；2, safe antitheft: built-in type structure effectively prevent antenna stolen, and safety coefficient is higher；3, easy to use: automatic car washing
Or antenna need not be removed when entering the place of limited space, it is time saving to save worry；4, reduce noise: shark fin structure combination air is dynamic
Mechanics principle and aesthetic theory effectively reduce pneumatic noise, travel quieter；5, powerful: can be compatible with simultaneously AM, FM,
The multiple functions such as GPS/BD, LTE/GSM, upgrading are convenient；6, easily installation: using international uniform standard aperture, and is produced from original-pack position
Product are easily installed in the short time without removing top；7, Electrostatic Electron Electro-static Driven Comb, enhancing signal: is imported into shark fins
On point, there is the case where electrostatic to reduce especially winter vehicle appearance；8, non-directive comprehensive signal receives.
In the embodiments of the present invention, above-mentioned double-fed ceramic antenna is welded on by 2 PIN needles with the second pcb board
Together.
In the embodiments of the present invention, above-mentioned LTE 4G primary antenna 2, LTE 4G slave antenna 4, AM/FM antenna module 3
It is removably installed on pedestal 6 with GNSS navigation antenna component 5, specifically, forming the first slot, on above-mentioned pedestal 6
Two slots and third slot, and the axial direction of the axial direction and the third slot of the axial direction of second slot and the first slot
Direction is mutually vertical, and second slot is located between first slot and third slot, first slot and LTE 4G master
The matching of antenna 2 is positioned so that the LTE 4G primary antenna 2 and is inserted into first slot and fixation, second slot and AM/FM
The matching of antenna module 3 is positioned so that the AM/FM antenna module 3 and is inserted into second slot and fixation, the third slot with
The matching of LTE 4G slave antenna 4 is positioned so that the LTE 4G slave antenna 4 and is inserted into the third slot and fixation.On the pedestal 6
Three positioning columns are fixedly installed, which limits a positioning groove, which passes through the locating slot
In be set on the pedestal 6.
In the embodiments of the present invention, line outlet is offered below AM/FM antenna module 3 on above-mentioned pedestal 6,
6 bottom of pedestal is fixedly installed the outlet-pipe being connected to line outlet, and above-mentioned shark fins car antenna further includes that outlet is tight-lipped
Firmware 8, the line outlet fastener 8 match positioning with outlet-pipe.
In the embodiments of the present invention, above-mentioned shark fins car antenna further includes waterproof washer 7, the waterproof washer 7
The bottom of above-mentioned pedestal 6 is covered, and covers the seam of above-mentioned shark fins shell 1 and pedestal 6 simultaneously to play the role of waterproof, and
The position of the corresponding above-mentioned outlet-pipe of the waterproof washer 7 offers hole identical with the outlet pipe size so that the waterproof washer 7
Above-mentioned pedestal 6 can be covered.
In the embodiments of the present invention, together with above-mentioned shark fins shell 1 is bolted with pedestal 6.
It should be appreciated by those skilled in the art that those skilled in the art are combining the prior art and above-described embodiment can be with
Realize change case, this will not be repeated here.Such change case has no effect on the substantive content of the utility model, not superfluous herein
It states.
The preferred embodiment of the utility model is described above.It is to be appreciated that the utility model not office
It is limited to above-mentioned particular implementation, devices and structures not described in detail herein should be understood as with the common side in this field
Formula is practiced；Anyone skilled in the art all may be used in the case where not departing from technical solutions of the utility model ambit
Many possible changes and modifications are made to technical solutions of the utility model using the methods and technical content of the disclosure above, or are repaired
It is changed to the equivalent embodiment of equivalent variations, this has no effect on the substantive content of the utility model.Therefore, all practical without departing from this
The content of new technique scheme, any simple modification made to the above embodiment of foundation the technical essence of the utility model, etc.
With variation and modification, still fall within technical solutions of the utility model protection in the range of.
Claims (8)
1. a kind of shark fins car antenna, which is characterized in that including shark fins shell and pedestal, the shark fins shell with it is described
Pedestal interconnects to form an accommodating space, and the non-touching main day LTE 4G is provided in the accommodating space
Line, LTE 4G slave antenna, AM/FM antenna module and GNSS navigation antenna component；
The LTE 4G primary antenna, LTE 4G slave antenna and the AM/FM antenna module are installed vertically on the pedestal, institute
State LTE 4G primary antenna and the LTE 4G slave antenna be located at AM/FM antenna module two sides and with the AM/FM
Antenna module is perpendicular；The GNSS navigation antenna component is installed on the pedestal and closes on the fin point of the shark fins shell
Setting；
Wherein, the AM/FM antenna module includes the first pcb board and the AM antenna being set on first pcb board and FM days
Line；
The GNSS navigation antenna component include the second pcb board, double-fed ceramic antenna and shielding case, the double-fed ceramic antenna and
The shielding case is separately positioned on the different sides of second pcb board.
2. shark fins car antenna as described in claim 1, which is characterized in that second pcb board include electric bridge, load,
First antenna match circuit, low-noise amplifier, the second antenna-matching circuit, filter, third antenna match circuit and low pressure
Difference linear constant voltage regulator；
The input terminal of the electric bridge connects the double-fed ceramic antenna, and the output end of the electric bridge connects the load and institute simultaneously
First antenna match circuit is stated, the output end of the first antenna match circuit connects the low-noise amplifier, the low noise
The output end of acoustic amplifier is divided into two-way, wherein passing through second antenna-matching circuit, the filter and described all the way
The connection of triantennary match circuit, the output that another way passes through the low pressure difference linear voltage regulator and the third antenna match circuit
End connection.
3. shark fins car antenna as described in claim 1, which is characterized in that the double-fed ceramic antenna by PIN needle with
Second pcb board welds together.
4. shark fins car antenna as described in claim 1, which is characterized in that the LTE 4G primary antenna, LTE 4G pair day
Line, the AM/FM antenna module and the GNSS navigation antenna component are removably installed on the pedestal.
5. shark fins car antenna as described in claim 1, which is characterized in that it further include waterproof washer, the waterproof washer
The bottom of the pedestal is covered, and covers the seam of the shark fins shell and the pedestal simultaneously.
6. shark fins car antenna as described in claim 1, which is characterized in that the shark fins shell and the pedestal pass through
It is bolted together.
7. shark fins car antenna as described in claim 1, which is characterized in that in the AM/FM antenna sets on the pedestal
Line outlet is offered below part, the base bottom is fixedly installed the outlet-pipe being connected to the line outlet.
8. shark fins car antenna as claimed in claim 7, which is characterized in that further include line outlet fastener, the outlet
Tight-lipped firmware matches positioning with the outlet-pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920153467.8U CN209183750U (en) | 2019-01-29 | 2019-01-29 | A kind of shark fins car antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920153467.8U CN209183750U (en) | 2019-01-29 | 2019-01-29 | A kind of shark fins car antenna |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209183750U true CN209183750U (en) | 2019-07-30 |
Family
ID=67378986
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920153467.8U Active CN209183750U (en) | 2019-01-29 | 2019-01-29 | A kind of shark fins car antenna |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209183750U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110880636A (en) * | 2019-11-28 | 2020-03-13 | 深圳市鼎耀科技有限公司 | Vehicle-mounted multi-system combined antenna and positioning antenna |
| CN111710960A (en) * | 2020-06-30 | 2020-09-25 | 上海安费诺永亿通讯电子有限公司 | Vehicle-mounted camera shark fin intelligent antenna |
| CN112003000A (en) * | 2020-08-04 | 2020-11-27 | 上海深迅通信技术有限公司 | GPS high-precision double-fed ceramic active antenna |
| CN112054315A (en) * | 2020-09-09 | 2020-12-08 | 沈阳安费诺三浦汽车电子有限公司 | Shark fin antenna |
-
2019
- 2019-01-29 CN CN201920153467.8U patent/CN209183750U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110880636A (en) * | 2019-11-28 | 2020-03-13 | 深圳市鼎耀科技有限公司 | Vehicle-mounted multi-system combined antenna and positioning antenna |
| CN111710960A (en) * | 2020-06-30 | 2020-09-25 | 上海安费诺永亿通讯电子有限公司 | Vehicle-mounted camera shark fin intelligent antenna |
| CN112003000A (en) * | 2020-08-04 | 2020-11-27 | 上海深迅通信技术有限公司 | GPS high-precision double-fed ceramic active antenna |
| CN112054315A (en) * | 2020-09-09 | 2020-12-08 | 沈阳安费诺三浦汽车电子有限公司 | Shark fin antenna |
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