CN204464444U - A kind of vehicle mounted guidance and radio antenna - Google Patents
A kind of vehicle mounted guidance and radio antenna Download PDFInfo
- Publication number
- CN204464444U CN204464444U CN201420862097.2U CN201420862097U CN204464444U CN 204464444 U CN204464444 U CN 204464444U CN 201420862097 U CN201420862097 U CN 201420862097U CN 204464444 U CN204464444 U CN 204464444U
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- Prior art keywords
- antenna
- radio
- vehicle mounted
- mounted guidance
- low noise
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- DMBHHRLKUKUOEG-UHFFFAOYSA-N diphenylamine Chemical compound C=1C=CC=CC=1NC1=CC=CC=C1 DMBHHRLKUKUOEG-UHFFFAOYSA-N 0.000 claims abstract description 12
- 239000002184 metal Substances 0.000 claims description 4
- 229920001971 elastomer Polymers 0.000 claims description 3
- 230000008054 signal transmission Effects 0.000 claims description 3
- 238000009434 installation Methods 0.000 abstract description 6
- 241000251730 Chondrichthyes Species 0.000 description 20
- 238000010586 diagram Methods 0.000 description 3
- 230000003321 amplification Effects 0.000 description 2
- 238000010923 batch production Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000003199 nucleic acid amplification method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
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Abstract
The utility model discloses a kind of vehicle mounted guidance and radio antenna, be made up of housing, active navigation antenna assembly, radio antenna low noise amplifier assembly three part, containing two nest positions in housing, AM/FM broadcast receiver active antenna is placed in nest position, and the active navigation antenna of GPS or GPS and the active navigation antenna of the Big Dipper (BDS) bimodulus are placed in another nest position.GPS, BDS, AM, FM tetra-kinds of antennas are placed in the enclosure by vehicle mounted guidance of the present utility model and radio antenna, as an antenna assembly, realize four-in-one antenna function, structure is simple, cost is low, easy for installation.
Description
Technical field
The utility model includes source antenna technical field, is specifically related to a kind of vehicle mounted guidance and radio antenna.
Background technology
Along with the development of automobile industry, vehicle mounted guidance and radio antenna are requisite devices in automobile.Generally use external bar antenna, rear seat windscreen heater strip, shark fins small helical antenna as AM/FM radio antenna in current automobile, what navigation antenna had is placed on front windshield place, what have is placed in the latter half of shark fins of roof, radio antenna and navigation antenna are placed onboard as two parts, problems such as so all there is difficult design, antenna gain is on the low side, volume is comparatively large, cost is high, installation is complicated.
Given this, a kind of multi-functional, the car antenna that structure is simple, easy for installation that integrate GPS, BDS, AM, FM can be designed.
Utility model content
In order to solve the problems of the technologies described above, the utility model provides a kind of vehicle mounted guidance and radio antenna, comprise housing, active navigation antenna assembly, radio antenna low noise amplifier assembly, active navigation antenna assembly, radio antenna low noise amplifier assembly and housing are assembled and are formed vehicle mounted guidance and radio antenna.GPS, BDS, AM, FM tetra-kinds of antennas are placed in shark fins shell by the vehicle mounted guidance of this structure and broadcast receiver shark fins antenna, as an antenna assembly, realize four-in-one antenna function.
To achieve these goals, the utility model adopts following technical scheme.
A kind of vehicle mounted guidance and radio antenna, comprise housing, active navigation antenna assembly, radio antenna low noise amplifier assembly, described active navigation antenna assembly, radio antenna low noise amplifier assembly and housing are assembled and are formed vehicle mounted guidance and radio antenna.
Preferably, described active navigation antenna assembly comprises navigation antenna low noise amplifier, GPS and the active navigation antenna of Big Dipper bimodulus or the active navigation antenna of GPS.
In above-mentioned arbitrary technical scheme preferably, described radio antenna low noise amplifier assembly comprises radio antenna low noise amplifier, AM/FM broadcast receiver active antenna.
In above-mentioned arbitrary technical scheme preferably, have two nest positions in described housing, AM/FM broadcast receiver active antenna is positioned over a nest position, and the active navigation antenna of GPS or GPS and the active navigation antenna of Big Dipper bimodulus are positioned over another nest position.
In above-mentioned arbitrary technical scheme preferably, described AM/FM broadcast receiver active antenna working band AM is 522 ~ 1629kHz, FM is 87.5 ~ 108.0MHz.
In above-mentioned arbitrary technical scheme preferably, the low noise amplifier of described AM/FM broadcast receiver active antenna has automatic gain controller, and gain ranging AM is-10 ~ 0dB, FM is 4 ~ 8dB.
In above-mentioned arbitrary technical scheme preferably, vehicle body, using vehicle body metal framework as AM/FM radio antenna, is connected with the low noise amplifier of radio antenna by shark fins fixed support by this vehicle mounted guidance and radio antenna.
In above-mentioned arbitrary technical scheme preferably, the operating frequency of the active navigation antenna of described GPS is 1575.42 MHz, the operating frequency of the active navigation antenna of described Big Dipper bimodulus is 1561.098 MHz, and the low noise amplifier gain of described navigation antenna is 28dBm.
In above-mentioned arbitrary technical scheme preferably, vehicle mounted guidance and broadcast receiver shark fins antenna are shark fins shape shell, shark fins shape shell passes through the bracket fixing device of housing bottom in automobile top latter half, and arranges the rubber ring with water-proof function around housing bottom.
In above-mentioned arbitrary technical scheme preferably, the power supply of described AM/FM broadcast receiver active antenna and signal feed connector connect low noise amplifier, there is provided+12V voltage to low noise amplifier, the AM/FM radio receiver signal amplified and processed is passed to vehicle-mounted radio simultaneously.
In above-mentioned arbitrary technical scheme preferably, the power supply of the active navigation antenna of described GPS and signal feed connector connect low noise amplifier, there is provided+3V voltage to low noise amplifier, simultaneously by amplify and GPS or the BDS signal transmission that processed to onboard navigation system.
Vehicle mounted guidance of the present utility model and radio antenna are made up of housing, active navigation antenna assembly, radio antenna low noise amplifier assembly three part, and active navigation antenna assembly, radio antenna low noise amplifier assembly and housing are assembled and formed vehicle mounted guidance and radio antenna.Containing two nest positions in housing, AM/FM broadcast receiver active antenna is placed in a nest position, and the active navigation antenna of GPS or GPS and the active navigation antenna of the Big Dipper (BDS) bimodulus are placed in another nest position.GPS, BDS, AM, FM tetra-kinds of antennas are placed in shark fins shell by this vehicle mounted guidance and radio antenna, as an antenna assembly, realize four-in-one antenna function.
The beneficial effect of vehicle mounted guidance of the present utility model and radio antenna is: 1, shark fins good looking appearance, volume is little, windage is little, easy for installation; 2, GPS, BDS, AM, FM tetra-kinds of antennas are placed in shark fins shell, as an antenna assembly, realize four-in-one antenna function; 3, use vehicle body as broadcast receiver (AM/FM) antenna, save antenna cost, because vehicle body metallic area is very large, solve the problem of AM wave band requirement vast of heaven line; 4, small product size is little, and structure is simple, and cost is low, is easy to batch production and installation and maintenance.
Accompanying drawing explanation
Fig. 1 is the product assembly figure of the preferred embodiment according to vehicle mounted guidance of the present utility model and radio antenna;
Fig. 2 is the product structure schematic diagram of the preferred embodiment according to vehicle mounted guidance of the present utility model and radio antenna;
Fig. 3 is the radio antenna low noise amplifier operation principle schematic diagram of the preferred embodiment according to vehicle mounted guidance of the present utility model and radio antenna;
Fig. 4 is the navigation antenna low noise amplifier operation principle schematic diagram of the preferred embodiment according to vehicle mounted guidance of the present utility model and radio antenna;
Reference numeral:
1, shell, 2, low noise amplifier, 3, the power supply of radio antenna and signal feed connector, 4, the power supply of navigation antenna and signal feed connector, 5, active navigation antenna assembly, 6, fixed support.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is elaborated, below describe only exemplarily and explain, any pro forma restriction is not done to the utility model.
Vehicle mounted guidance and broadcast receiver shark fins antenna are made up of housing, active navigation antenna assembly, radio antenna low noise amplifier assembly three part, active navigation antenna assembly comprises navigation antenna low noise amplifier, GPS and the active navigation antenna of Big Dipper bimodulus or the active navigation antenna of GPS, and radio antenna low noise amplifier assembly comprises radio antenna low noise amplifier, AM/FM broadcast receiver active antenna.GPS, BDS, AM, FM tetra-kinds of antennas are placed in shark fins shell by vehicle mounted guidance and broadcast receiver shark fins antenna, as an antenna assembly, realize four-in-one antenna function.
Containing two nest positions in shark fins housing, AM/FM broadcast receiver active antenna is placed in a nest position, and the active navigation antenna of GPS or GPS and the active navigation antenna of the Big Dipper (BDS) bimodulus are placed in another nest position.The working band AM of AM/FM broadcast receiver active antenna is 522 ~ 1629kHz, FM is 87.5 ~ 108.0MHz; Its low noise amplifier has automatic gain control function, and gain ranging is-10 ~ 0dB(AM), 4 ~ 8dB(FM).Using vehicle body metal framework as AM/FM radio antenna, by shark fins fixed support 6, vehicle body is connected with radio antenna low noise amplifier.The operating frequency of the active navigation antenna of GPS or GPS and the active navigation antenna of the Big Dipper (BDS) bimodulus is 1575.42 MHz, BDS operating frequency is 1561.098 MHz.The gain of navigation antenna low noise amplifier is 28dBm.Be placed on GPS, BDS, AM, FM tetra-kinds of antennas as an antenna assembly in shark fins shell, realize four-in-one antenna function, small product size is little, and structure is simple, and cost is low, is easy to batch production and installation and maintenance.
As depicted in figs. 1 and 2, the shell 1 of shark fins shape is fixed on automobile top latter half by the support of housing bottom, and has the rubber ring of water-proof function around housing bottom.Due to support and the automobile top Metal Contact of bottom, so using support as connector, vehicle body can be connected to the antenna input of radio antenna low noise amplifier, vehicle body just can use as broadcast receiver (AM/FM) antenna.Effect for the low noise amplifier 2 of broadcast receiver (AM/FM) active antenna vehicle body reception is obtained AM/FM small-signal amplify, and maybe the large-signal of reception carried out amplitude suppression, prevent large-signal saturated.The power supply of radio antenna and signal feed connector 3 provide+12V voltage to low noise amplifier, the AM/FM radio receiver signal amplified and processed are passed to vehicle-mounted radio simultaneously.The power supply of navigation antenna and signal feed connector 4 provide+3V voltage to low noise amplifier, simultaneously by amplify and GPS or the BDS signal transmission that processed to onboard navigation system.Active navigation antenna assembly 5 comprises GPS & BDS dual-mode antenna or gps antenna, these two parts of navigation antenna low noise amplifier.
The radio antenna low noise amplifier operation principle of vehicle mounted guidance and broadcast receiver shark fins antenna, as shown in Figure 3, using vehicle body as antenna, the AM/FM signal received is carried out frequency-selecting by AM active band-pass filter and FM filter, filtering noise, then carry out low noise amplification to low noise amplifier, or the amplitude of carrying out suppresses process, and then by AM filter and FM filter filtering, send signal to vehicle-mounted radio by coaxial feeder.Coaxial feeder provides+12V voltage to low noise amplifier work simultaneously.
The navigation antenna low noise amplifier operation principle of vehicle mounted guidance and broadcast receiver shark fins antenna, as shown in Figure 4, the navigation signal that GPS and Big Dipper BDS antenna receive carries out cake resistancet external noise by band pass filter, carry out low noise amplification to low noise amplifier again, then send signal to onboard navigation system by coaxial feeder.Coaxial feeder provides+3V voltage to low noise amplifier work simultaneously.
The above is only be described preferred implementation of the present utility model; not that scope of the present utility model is limited; under the prerequisite not departing from the utility model design spirit; the various distortion that the common engineers and technicians in this area make the technical solution of the utility model and improvement, all should fall in protection range that claims of the present utility model determine.
Claims (13)
1. a vehicle mounted guidance and radio antenna, comprise housing, it is characterized in that: also comprise active navigation antenna assembly, radio antenna low noise amplifier assembly, described active navigation antenna assembly, radio antenna low noise amplifier assembly and housing are assembled and are formed vehicle mounted guidance and radio antenna.
2. vehicle mounted guidance as claimed in claim 1 and radio antenna, is characterized in that: described active navigation antenna assembly comprises navigation antenna low noise amplifier, GPS and the active navigation antenna of Big Dipper bimodulus or the active navigation antenna of GPS.
3. vehicle mounted guidance as claimed in claim 1 and radio antenna, is characterized in that: described radio antenna low noise amplifier assembly comprises radio antenna low noise amplifier, AM/FM broadcast receiver active antenna.
4. vehicle mounted guidance as claimed in claim 1 and radio antenna, is characterized in that: have two nest positions in described housing.
5. vehicle mounted guidance as claimed in claim 3 and radio antenna, is characterized in that: AM/FM broadcast receiver active antenna is positioned over a nest position in housing.
6. vehicle mounted guidance as claimed in claim 2 and radio antenna, is characterized in that: the active navigation antenna of GPS or GPS and the active navigation antenna of Big Dipper bimodulus are positioned over another nest position in housing.
7. vehicle mounted guidance as claimed in claim 3 and radio antenna, is characterized in that: described AM/FM broadcast receiver active antenna working band AM is 522 ~ 1629kHz, FM is 87.5 ~ 108.0MHz.
8. vehicle mounted guidance as claimed in claim 3 and radio antenna, is characterized in that: the low noise amplifier of described AM/FM broadcast receiver active antenna has automatic gain controller, and gain ranging AM is-10 ~ 0dB, FM is 4 ~ 8dB.
9. vehicle mounted guidance as claimed in claim 1 and radio antenna, is characterized in that: vehicle body, using vehicle body metal framework as AM/FM radio antenna, is connected with the low noise amplifier of radio antenna by fixed support by this vehicle mounted guidance and radio antenna.
10. vehicle mounted guidance as claimed in claim 2 and radio antenna, it is characterized in that: the operating frequency of the active navigation antenna of described GPS is 1575.42 MHz, the operating frequency of the active navigation antenna of described Big Dipper bimodulus is 1561.098 MHz, and the low noise amplifier gain of described navigation antenna is 28dBm.
11. vehicle mounted guidance as claimed in claim 1 and radio antennas, it is characterized in that: vehicle mounted guidance and radio antenna shell pass through the bracket fixing device of housing bottom in automobile top latter half, and arrange the rubber ring with water-proof function around housing bottom.
12. vehicle mounted guidance as claimed in claim 3 and radio antennas, it is characterized in that: the power supply of described AM/FM broadcast receiver active antenna and signal feed connector connect low noise amplifier, there is provided+12V voltage to low noise amplifier, the AM/FM radio receiver signal amplified and processed is passed to vehicle-mounted radio simultaneously.
13. vehicle mounted guidance as claimed in claim 2 and radio antennas, it is characterized in that: the power supply of the active navigation antenna of described GPS and signal feed connector connect low noise amplifier, there is provided+3V voltage to low noise amplifier, simultaneously by amplify and GPS or the BDS signal transmission that processed to onboard navigation system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420862097.2U CN204464444U (en) | 2014-12-31 | 2014-12-31 | A kind of vehicle mounted guidance and radio antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420862097.2U CN204464444U (en) | 2014-12-31 | 2014-12-31 | A kind of vehicle mounted guidance and radio antenna |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204464444U true CN204464444U (en) | 2015-07-08 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420862097.2U Expired - Fee Related CN204464444U (en) | 2014-12-31 | 2014-12-31 | A kind of vehicle mounted guidance and radio antenna |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204464444U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110855265A (en) * | 2019-11-27 | 2020-02-28 | 安徽江淮汽车集团股份有限公司 | Shark fin antenna circuit and shark fin antenna |
-
2014
- 2014-12-31 CN CN201420862097.2U patent/CN204464444U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110855265A (en) * | 2019-11-27 | 2020-02-28 | 安徽江淮汽车集团股份有限公司 | Shark fin antenna circuit and shark fin antenna |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150708 |