CN206947538U - A kind of three-in-one antenna - Google Patents
A kind of three-in-one antenna Download PDFInfo
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- CN206947538U CN206947538U CN201720913387.9U CN201720913387U CN206947538U CN 206947538 U CN206947538 U CN 206947538U CN 201720913387 U CN201720913387 U CN 201720913387U CN 206947538 U CN206947538 U CN 206947538U
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Abstract
A kind of three-in-one antenna for integrating the reception of L-band multimedia satellite, iridium communication and GPS location navigation feature, including radio frequency connector, coaxial line, antenna casing, printed circuit board (PCB), L-band multimedia satellite receive ceramic microstrip antenna, GPS location navigation ceramic microstrip antenna, iridium satellite ceramics microstrip antenna and radome.Printed circuit board (PCB), L-band multimedia satellite receive ceramic microstrip antenna, GPS location is navigated, and ceramic microstrip antenna, iridium satellite ceramics microstrip antenna and radome are all disposed within the antenna casing.Antenna casing size is 80 millimeters of x40 millimeter x16 millimeters, using ultrasonic fusing technique, has functions of waterproof and dustproof.There are the low-noise amplifier (LNA) of L-band multimedia satellite reception antenna and the low-noise amplifier (LNA) of gps antenna on printed circuit board (PCB).Gps antenna is stacked in above L-band multimedia satellite reception antenna.A variety of environment and occasion can be widely used in, reduces antenna overall dimensions, reduces antenna cost.
Description
Technical field
A kind of three-in-one antenna is the utility model is related to, more specifically a kind of collection L-band multimedia satellite receives, iridium
Star communicates and GPS location navigation feature is in the three-in-one antenna of one.
Background technology
Many areas that the Belt and Road strategy is passed through are all remoter, covered without ground broadcast signal, this is for vehicle
Human pilot and passenger are very inconvenient.First by the way that the information it is recognized that newest can not be broadcasted, such as weather forecast, nature
Disaster alarm, topical news etc., the fatigue that excellent melody alleviates journey second can not can be listened to by broadcast.In order to change
Become this situation, 2 L-band (frequency 1459-1479MHz) multimedias have been purchased and transmitted in China Radio International
Broadcasting satellite, and plan that launching more satellites realizes the signal covering in wider region and provide the service of higher quality.Accordingly
Ground, the ground receiver terminals of function admirable (satellite radio) are just needed in order to receive the broadcast singal of high-quality, and antenna is
The critical component of receiver, decisive action is played to the performance of receiver.
Traditional L-band satellite earth antenna is reflector antenna, such as electromagnetic horn, one side, hyperbolic paraboloid antenna, flat
Plate microstrip antenna array, slotted guide antenna battle array etc., these antenna stock size is larger, and cost is higher, therefore is not suitable as car
Carry grapefruit satellite receiver antenna.
In addition, in the comparison isolated area that the Belt and Road is passed through on the way, typically also without the covering of ground communication net.Cause
This satellite communication is into than better suited communication mode.And iridium communication system (frequency 1616-1626.5MHz) be more into
Ripe mobile satellite communication system.
Utility model content
The utility model proposes one kind to collect the reception of L-band multimedia satellite, iridium communication and GPS location navigation feature in one
The three-in-one antenna of body.
The utility model adopts the following technical scheme that：
A kind of three-in-one day for integrating the reception of L-band multimedia satellite, iridium communication and GPS location navigation feature
Line, including the ceramic microstrip antenna of radio frequency connector, coaxial line, antenna casing, printed circuit board (PCB), L-band multimedia satellite reception,
GPS location navigation ceramic microstrip antenna, iridium satellite ceramics microstrip antenna and radome.
It is micro- that wherein described printed circuit board (PCB), L-band multimedia satellite receive ceramic microstrip antenna, GPS location navigation ceramics
Band antenna, iridium satellite ceramics microstrip antenna and radome are all disposed within the antenna casing.
Optimization, the antenna casing size is 80 millimeters of x40 millimeter x16 millimeters, using ultrasonic fusing technique, is had
Functions of waterproof and dustproof.
There are the low-noise amplifier (LNA) and gps antenna of L-band multimedia satellite reception antenna on the printed circuit board (PCB)
Low-noise amplifier (LNA).
Because both gps antenna and L-band satellite earth antenna are all reception antennas, in order to reduce antenna overall dimensions,
Arranged using overlapped way, i.e., gps antenna is stacked in above L-band multimedia satellite reception antenna.
The frequency of the L-band multimedia satellite reception antenna is 1459-1479MHz, and the frequency of the gps antenna is
1575.42MHz, the two frequency approach, and are all one of right-handed circular polarization, the scheme of optimization, and the two antennas use two
Independent ceramic microstrip antenna, respectively with probe feed, then it is connected with respective low-noise amplifier；The scheme of optimization it
Two, the two antennas are the broad-band antennas formed by electromagnetic coupled between two ceramic microstrip antennas, are presented using Single probe
Electricity, its frequency band can cover L-band multimedia satellite reception antenna and gps antenna frequency range, i.e. 1459-1576MHz simultaneously.So
Afterwards, input of the feed probes of antenna again with the low-noise amplifier (LNA) on printed circuit board (PCB) is connected.
Further, in order to compensate decay caused by the coaxial line and reduce the overall noise of system, the GPS
The feed probes of antenna and L-band multimedia satellite reception antenna are all directly connected to low-noise amplifier, and low-noise amplifier is adopted
Amplify mode, gain about 28dB, noise coefficient≤2.0dB with two-stage.
Optimization, due to the broader bandwidth (20MHz) of the L-band multimedia satellite reception antenna, the phase of ceramic dielectric
9.8 are elected as to dielectric constant.
Optimization, the relative dielectric constant of the ceramic dielectric of gps antenna and the iridium satellite antenna is 20.
Further, because iridium satellite antenna is transmission duplex antenna, in order to avoid being defended to gps antenna and L-band multimedia
The interference of star reception antenna is, it is necessary to keep their distances sufficiently large between iridium satellite antenna, gps antenna and L-band multimedia
Satellite earth antenna is arranged in the both ends of printed circuit board (PCB) with iridium satellite antenna.In the working frequency range of these three antennas, electricity
Press standing-wave ratio (VSWR)≤2.0, Circular polarization ratio≤3.0dB, gain >=3dBic.
Optimization, the size of the L-band multimedia satellite reception antenna is 35 millimeters of 35 millimeters of x 4 millimeters of x, described
The size of gps antenna is 25 millimeters of 25 millimeters of x, 4 millimeters of x, and the size of the iridium satellite antenna is the millis of 25 millimeters of x, 25 millimeters of x 4
Rice.
Optimization, the antenna rf connector can select FAKRA, SMA, TNC or other, and RF coaxial line is impedance
50 ohm, its length selects according to the needs of practical application, and antenna casing material is ABS/PC.
The antenna both may be mounted at automotive interior, can also be arranged on automobile external, such as roof.
By the technical solution of the utility model, following effect is brought
1, antenna set L-band multimedia satellite signal receives, iridium communication and GPS navigation position three kinds of functions in one,
A variety of environment and occasion can be widely used in；
2, L-band multimedia satellite reception antenna uses stepped construction with gps antenna, reduces antenna overall dimensions, drops
Low antenna cost.
Brief description of the drawings：
Accompanying drawing 1 is schematic appearance of the present utility model；
Accompanying drawing 2 is to remove the inner antenna structure top view after shell；
Accompanying drawing 3 is to remove the inner antenna structural side view after shell；
Accompanying drawing 4 is that L-band multimedia satellite reception antenna uses two independent ceramic microstrip antennas with gps antenna, point
Not Cai Yong probe feed scheme elementary diagram；
Accompanying drawing 5 is that electromagnetic coupled forms between two ceramic microstrip antennas, frequency coverage L-band multimedia satellite signal and
One broad-band antenna of gps signal, the elementary diagram of embodiment is fed using Single probe；
In Fig. 1 to 3,1 is antenna casing, and 2 be coaxial line, and 3 be radio frequency connector, and 4 be printed circuit board (PCB), and 5 be that L-band is more
Media satellite earth antenna, 6 be gps antenna, and 7 be iridium satellite antenna, and 8 be radome；In Fig. 4,9 be that L-band multimedia satellite connects
Antenna is received, 10 be gps antenna, and 11 be the low-noise amplifier of gps antenna, and 12 be GPS, and 13 be that L-band multimedia is defended
The low-noise amplifier of star reception antenna, 14 be L-band multimedia satellite receiver；
In Fig. 5,15 be L-band multimedia satellite reception antenna or gps antenna, and 16 be low-noise amplifier, and 17 be GPS days
The bandpass filter of line, 18 be GPS, and 19 be the bandpass filter of L-band multimedia satellite reception antenna, and 20 be L ripples
Section multimedia satellite receiver；
Embodiment
The utility model is described further with reference to the accompanying drawings and detailed description：
For Fig. 1 into Fig. 3,1 is antenna casing, and 2 be coaxial line, and 3 be radio frequency connector, and 4 be printed circuit board (PCB), printed circuit
Plate 4 is arranged in antenna casing 1, and 5 be L-band multimedia satellite reception antenna, and 6 be gps antenna, and 7 be iridium satellite antenna, and 8 be screen
Cover cover；
The size of antenna casing 1 is 80 millimeters of x40 millimeter x16 millimeters, using ultrasonic fusing technique, has water proof and dust proof
Function.
The low-noise amplifier (LNA) of L-band multimedia satellite reception antenna and the low-noise amplifier of gps antenna
(LNA) it is all disposed within printed circuit board (PCB) 4.
L-band satellite earth antenna 5 and gps antenna 6 are all reception antennas, in order to reduce antenna overall dimensions, using layer
Folded mode arranges that is, gps antenna 6 is stacked in above L-band multimedia satellite reception antenna 5.
The frequency of the L-band multimedia satellite reception antenna is 1459-1479MHz, and the frequency of the gps antenna is
1575.42MHz, the two frequency approach, and are all right-handed circular polarizations, and Fig. 4 is the connection principle of one of the scheme of optimization, and 9 be L
Wave band multimedia satellite reception antenna, 10 be gps antenna, and 11 be the low-noise amplifier of gps antenna, and 12 be GPS, 13
The low-noise amplifier of L-band multimedia satellite reception antenna, 14 be L-band multimedia satellite receiver, 9 and 10 the two
Antenna uses two independent ceramic microstrip antennas, respectively with probe feed, then with respective low-noise amplifier 13 and 11
Connection, low-noise amplifier 13 and 11 connect receiver 14 and 12 respectively；Fig. 5 be optimization scheme two connection principle, 15
It is L-band multimedia satellite reception antenna or gps antenna, 16 be low-noise amplifier, and 17 be the bandpass filter of gps signal,
18 be GPS, and 19 be the bandpass filter of L-band multimedia satellite signal, and 20 be L-band multimedia satellite receiver,
Antenna 15 is the broad-band antenna formed by electromagnetic coupled between two ceramic microstrip antennas, is fed using Single probe, its
Frequency band can cover L-band multimedia satellite reception antenna and gps antenna frequency range, i.e. 1459-1576MHz, then, antenna simultaneously
Input of the feed probes again with the low-noise amplifier (LNA) 16 on printed circuit board (PCB) be connected, low-noise amplifier (LNA)
16 output end is connected to receiver 18 and 20 by respective signal bandpass filter 17 and 19.
Low-noise amplifier is using two-stage amplification mode, gain about 28dB, noise coefficient≤2.0dB.
The broader bandwidth (20MHz) of L-band multimedia satellite reception antenna 5, the relative dielectric constant of ceramic dielectric are elected as
9.8, the relative dielectric constant of the ceramic dielectric of gps antenna 6 and iridium satellite antenna 7 is 20.
Iridium satellite antenna 7 is transmission duplex antenna, in order to avoid to gps antenna and L-band multimedia satellite reception antenna
Interference is, it is necessary to keep their distances sufficiently large between iridium satellite antenna, and therefore, gps antenna 6 and L-band multimedia satellite connect
The both ends that antenna 5 is arranged in printed circuit board (PCB) with iridium satellite antenna 7 are received, in the working frequency range of these three antennas, voltage is stayed
Bob (VSWR)≤2.0, Circular polarization ratio≤3.0dB, gain >=3dBic.
The size of L-band multimedia satellite reception antenna 5 is 35 millimeters of 35 millimeters of x, 4 millimeters of x, the size of gps antenna 6
For 25 millimeters of 25 millimeters of x, 4 millimeters of x, the size of iridium satellite antenna 7 is 25 millimeters of 25 millimeters of x, 4 millimeters of x.
Antenna rf connector 3 can select FAKRA, SMA, TNC or other, and RF coaxial line 2 is 50 ohm of impedance, its
Length selects according to the needs of practical application, and antenna casing material 1 is ABS/PC.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
All any modification, equivalent and improvement made within refreshing and principle etc., should be included in the scope of the protection.
Claims (8)
1. a kind of three-in-one antenna, including radio frequency connector, coaxial line, antenna casing, it is characterized in that also include printed circuit board (PCB),
L-band multimedia satellite receives ceramic microstrip antenna, GPS location navigation ceramic microstrip antenna, iridium satellite ceramics microstrip antenna and screen
Cover cover；
Wherein described printed circuit board (PCB), L-band multimedia satellite receive ceramic microstrip antenna, the ceramic micro-strip day of GPS location navigation
Line, iridium satellite ceramics microstrip antenna and radome are all disposed within the antenna casing；
Have on the printed circuit board (PCB) L-band multimedia satellite reception antenna low-noise amplifier (LNA) and gps antenna it is low
Noise amplifier (LNA)；
The gps antenna is stacked in above L-band multimedia satellite reception antenna.
2. a kind of three-in-one antenna according to claim 1, it is characterized in that the L-band multimedia satellite reception antenna and
The gps antenna all uses independent ceramic microstrip antenna, respectively with probe feed, then connects with respective low-noise amplifier
Connect.
3. a kind of three-in-one antenna according to claim 1, it is characterized in that the L-band multimedia satellite reception antenna and
The two antennas of the gps antenna are the broad-band antennas formed by electromagnetic coupled between two ceramic microstrip antennas, are used
Single probe is fed, and its frequency band can cover L-band multimedia satellite reception antenna and gps antenna frequency range, i.e. 1459- simultaneously
1576MHz, the input connection of the low-noise amplifier (LNA) in the feed probes and printed circuit board (PCB) of antenna.
A kind of 4. three-in-one antenna according to any one of claims 1 to 3, it is characterized in that the gps antenna and L-band are more
The feed probes of media satellite earth antenna are all directly connected to low-noise amplifier, and low-noise amplifier uses two-stage amplification side
Formula, gain about 28dB, noise coefficient≤2.0dB.
A kind of 5. three-in-one antenna according to any one of claims 1 to 3, it is characterized in that the L-band multimedia satellite
The relative dielectric constant of the ceramic dielectric of reception antenna elects 9.8 as；
The relative dielectric constant of the ceramic dielectric of gps antenna and the iridium satellite antenna is 20.
A kind of 6. three-in-one antenna according to any one of claims 1 to 3, it is characterized in that the gps antenna and L-band are more
Media satellite earth antenna is arranged in the both ends of printed circuit board (PCB) with the iridium satellite antenna, in the work frequency of these three antennas
In section, voltage standing wave ratio (VSWR)≤2.0, Circular polarization ratio≤3.0dB, gain >=3dBic.
A kind of 7. three-in-one antenna according to any one of claims 1 to 3, it is characterized in that the L-band multimedia satellite
The size of reception antenna is 35 millimeters of x35 millimeter x4 millimeters, and the size of the gps antenna is 25 millimeters of x25 millimeter x4 millimeters, institute
The size for stating iridium satellite antenna is 25 millimeters of x25 millimeter x4 millimeters.
A kind of 8. three-in-one antenna according to any one of claims 1 to 3, it is characterized in that the antenna rf connector can
To select FAKRA, SMA, TNC, RF coaxial line is 50 ohm of impedance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720913387.9U CN206947538U (en) | 2017-07-17 | 2017-07-17 | A kind of three-in-one antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720913387.9U CN206947538U (en) | 2017-07-17 | 2017-07-17 | A kind of three-in-one antenna |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206947538U true CN206947538U (en) | 2018-01-30 |
Family
ID=61370048
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720913387.9U Active CN206947538U (en) | 2017-07-17 | 2017-07-17 | A kind of three-in-one antenna |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206947538U (en) |
-
2017
- 2017-07-17 CN CN201720913387.9U patent/CN206947538U/en active Active
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 213000 No.91, Hanjiang West Road, Xinbei District, Changzhou City, Jiangsu Province Patentee after: Changzhou ketewa Electronics Co.,Ltd. Address before: 213000 No.91, Hanjiang West Road, Xinbei District, Changzhou City, Jiangsu Province Patentee before: CHANGZHOU CTW ELECTRONICS Co.,Ltd. |