CN110165368A - A kind of vehicle-mounted 5G smart antenna box - Google Patents
A kind of vehicle-mounted 5G smart antenna box Download PDFInfo
- Publication number
- CN110165368A CN110165368A CN201910467954.6A CN201910467954A CN110165368A CN 110165368 A CN110165368 A CN 110165368A CN 201910467954 A CN201910467954 A CN 201910467954A CN 110165368 A CN110165368 A CN 110165368A
- Authority
- CN
- China
- Prior art keywords
- antenna
- box
- vehicle
- smart
- car
- 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.)
- Pending
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/12—Supports; Mounting means
- H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/27—Adaptation for use in or on movable bodies
- H01Q1/32—Adaptation for use in or on road or rail vehicles
- H01Q1/325—Adaptation for use in or on road or rail vehicles characterised by the location of the antenna on the vehicle
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/42—Housings not intimately mechanically associated with radiating elements, e.g. radome
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/50—Structural association of antennas with earthing switches, lead-in devices or lightning protectors
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/52—Means for reducing coupling between antennas; Means for reducing coupling between an antenna and another structure
- H01Q1/521—Means for reducing coupling between antennas; Means for reducing coupling between an antenna and another structure reducing the coupling between adjacent antennas
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
- H01Q21/0006—Particular feeding systems
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
- H01Q21/30—Combinations of separate antenna units operating in different wavebands and connected to a common feeder system
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q23/00—Antennas with active circuits or circuit elements integrated within them or attached to them
Abstract
The invention discloses a kind of vehicle-mounted 5G smart antenna boxes, the smart antenna box is mounted on vehicle body, each radio frequency signal processing circuit that pcb board front is equipped with car antenna group and is adapted to the car antenna group in the smart antenna box, the car antenna group is for receiving radiofrequency signal, the radio frequency signal processing circuit is used to the received radiofrequency signal of each antenna carrying out digitized processing, after Digital Signal Processing, it is transmitted to car body electronic control unit, wherein, the car antenna group includes at least two antennas, one of antenna covers 2G, 3G, 4G and 5G communication, another antenna constitutes 5G mimo antenna.Hardware cost and wiring difficulty are reduced using the technical solution, improve antenna performance.
Description
Technical field
The present invention relates to vehicle electronics field, in particular to a kind of vehicle-mounted 5G smart antenna box.
Background technique
4G mechanics of communication has speed and low latency times over 3G communication, and internet information, car entertainment etc. may be implemented
Function, but the requirement of car networking has not been reached yet.5G communication has transmission rate high compared with 4G communication, and capacity is big, and time delay is small
Advantage realizes that intelligent interconnection, safe driving, wisdom traffic can provide more powerful technical support, new technology for automobile industry
Also vehicle electronics is put forward new requirements.
Currently, automobile shark fins is mounted on body exterior, and usually built-in 4G LTE communication antenna, GNSS global navigational satellite
Antenna, SDARS satellite digital audio radio service antenna etc. connect shark fins antenna by 2.5m~6m or so RF coaxial line
With T-box recipient processor.
According to traditional design thinking, vehicle-mounted shark fins inner antenna is often arranged in vehicle-mounted 5GMIMO antenna sets.Such as China
The antennas such as LTE antenna group, 5G mimo antenna group, are transferred to by coaxial line built in utility patent CN208368727U shark fins
In T-box.However 5G signal frequency is higher than 3GHz frequency, the operating frequency of antenna such as significantly larger than LTE will face bigger radio frequency
Loss；Multiple LTE/5G antennas all concentrate on inside shark fins again, and inner space is limited, can bring the problem of isolation difference.
5G MIMO in current programme, GNSS antenna etc. are integrated in shark fins antenna, and each stand-alone antenna respectively needs at least one
Bar RF coaxial line is connected to receiver.RF coaxial harness connection shark fins and receiver generally require 2.5m~6m or so,
Bring the transmission loss of radiofrequency signal.Increase again because of increase of the coaxial line transmission loss with signal frequency and transmission range.Together
Axis is more than that certain length will increase signal amplifier, brings bigger hardware cost.Shark fins antenna is perforated by vehicle body pacifies
Dress, needs waterproofing design.Shark fins pedestal general size is 180 × 60mm, is highly 50mm；Built-in 5G mimo antenna group and
Other car antennas, shark fins day space of lines is limited, and isolation is smaller.
Wherein, 5GMIMO (Multiple-Input Multiple-Output) technology refers in transmitting terminal and receiving end difference
Using multiple transmitting antennas and receiving antenna, makes signal by the transmission of the mutiple antennas of transmitting terminal and receiving end and receive, thus
Improve communication quality.It can make full use of space resources, by mutiple antennas realize multiple-input multiple-output, do not increase frequency spectrum resource and
In the case where antenna transmission power, system channel capacity can be increased exponentially, apparent advantage is shown, is considered as next-generation
The core technology of mobile communication.
Summary of the invention
The embodiment of the present invention is designed to provide a kind of vehicle-mounted 5G smart antenna box, reduces hardware cost and wiring is difficult
Degree, improves antenna performance.
A kind of vehicle-mounted 5G smart antenna box provided in an embodiment of the present invention, the smart antenna box are mounted on vehicle body,
Pcb board front is equipped with car antenna group and each radiofrequency signal being adapted to car antenna group processing in the smart antenna box
Circuit, for receiving radiofrequency signal, the radio frequency signal processing circuit is used to penetrate each antenna is received the car antenna group
Frequency signal carries out digitized processing and is transmitted to car body electronic control unit after Digital Signal Processing, wherein described vehicle-mounted
Antenna sets include at least two antennas, and one of antenna covering 2G, 3G, 4G and 5G communication, another antenna constitutes 5G MIMO
Antenna.
Optionally, the 5G mimo antenna is respectively placed in the pcb board long side edge, and reserves preset distance with edge.
Optionally, the 5G mimo antenna is mounted on the pcb board front using elastic slice, FPC, LDS form.
Optionally, the smart antenna box is mounted on vehicle body without plated reserved area, i.e., the described intelligent day
Wire box upper area is without metal covering.
Optionally, the car antenna group further includes GNSS antenna, SDARS antenna, wifi antenna, RKE antenna, TPMS days
Any one of line, Bluetooth antenna, V2X antenna appoint several combinations.
Optionally, the GNSS antenna or SDARS antenna or GNSS and SDARS laminated antenna are placed in the pcb board front
Close to intermediate position.
Optionally, the Wifi antenna and Bluetooth antenna are mounted on the pcb board in the form of FPC on elastic slice or bracket
Front is close to edge.
Optionally, the smart antenna box is additionally provided with connector, and the connector is for power supply and signal transmission.
Optionally, the smart antenna box is rectangular package shell.
Therefore using the present embodiment technical solution, since the present invention proposes that one kind is mounted on the intracorporal 5G intelligence of vehicle
Antenna box, the smart antenna box are interior at least provided with multiple car antennas and its multiple radio frequency signal processing circuits, the intelligence
Antenna box internal antenna receives radiofrequency signal, digitizes the radiofrequency signal through processing circuit, passes to car body electricity by Ethernet
Sub-control unit (ECU).By collecting mutiple antennas and corresponding radio frequency signal processing circuit in the smart antenna box, can reduce
RF coaxial line bring rf attenuation and hardware cost when separately designing, and reduce interior line wiring difficulty, and and pass through conjunction
Removing the work office box internal antenna, improves the isolation between antenna.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention without any creative labor, may be used also for those of ordinary skill in the art
To obtain other drawings based on these drawings.
Fig. 1 is a kind of smart antenna box scheme of installation provided by the invention；
Fig. 2 is antenna schematic layout pattern on a kind of pcb board provided by the invention；
Fig. 3 is antenna schematic layout pattern on another pcb board provided by the invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Embodiment:
The present embodiment provides a kind of vehicle-mounted 5G smart antenna boxes, as shown in Figure 1, the smart antenna box is mounted in car body
Portion, the smart antenna box are the approximate rectangular encapsulating housing of Belt connector, and the shell includes antenna house 11 and bottom cover 12,
The pcb board 13 is located in the cavity that the antenna house 11 and bottom cover 12 form, and the smart antenna box passes through inner stent 14
It is fixed on carbody shell 15, the connector is for power supply and signal transmission.Such as the shell length is 160~350mm,
Width is 100~250mm, is highly 20~40mm, compares external shark fin structure, smart antenna box size is bigger, isolation
It is relatively more preferable, and without leak risk.
Each radio frequency that pcb board front is equipped with car antenna group and is adapted to the car antenna group in the smart antenna box
Signal processing circuit, the smart antenna box are mounted on vehicle body without plated reserved area, i.e., the described smart antenna
Box upper area can be preferably radiated outside vehicle without metal covering, the smart antenna box internal antenna signal, ensure signal quality and
Stability.The car antenna group is used for each antenna is received for receiving radiofrequency signal, the radio frequency signal processing circuit
Radiofrequency signal carries out digitized processing and is transmitted to car body electronic control unit by Ethernet after Digital Signal Processing
ECU.5G antenna and radio frequency reception processing end are incorporated on the pcb board by the present invention, and fabulous solves problem of signal attenuation,
It is particularly suitable for the scene of future 5G high-speed communication.Further, it can also save compared with the existing technology same by excessive radio frequency
Axis and connector bring hardware cost.
Wherein, the car antenna group includes at least two antennas, one of covering 6 frequency range of 2G, 3G, 4G and sub,
Realize 5G communication, and compatible 4G and following communication, another antenna constitute 5GMIMO antenna.4G LTE communication antenna working frequency
In 3GHz hereinafter, 5G communication antenna working frequency range is divided into 6GHz or less (sub-6) and millimeter wave frequency band, 5G in 5G antenna of the present invention
Communication frequency band is sub6 frequency range, and specific frequency is 3300~3800MHz, 4800~5000MHz.The car antenna group further includes
High accuracy positioning GNSS antenna, satellite digital audio radio service SDARS antenna, wifi antenna, RKE (Remote Keyless
Entry, remote access control system) antenna, TPMS (Tire Pressure Monitor System, tire pressure detection system) antenna,
Any one of Bluetooth antenna, V2X antenna appoint several combinations.
The 5G mimo antenna is mounted on the pcb board front in the form of FPC on elastic slice or bracket.The 5G
Mimo antenna is respectively placed in the pcb board long side edge, to prevent 5G antenna and box cover from interfering, reserves preset distance with edge,
Such as 2~7mm distance is reserved apart from edge.To improve axis than improving Phase center stability, the GNSS antenna, SDARS days
Line or GNSS and SDARS laminated antenna are placed in the pcb board front close to intermediate position.The Wifi antenna and Bluetooth antenna
Design as its radiator or uses bullet on the pcb board, using in the floor leakage area lying copper region domain of the pcb board
The form of FPC is mounted on the pcb board front on piece or bracket, close to the edge designs of the pcb board.The smart antenna box
It can be laid out at least one V2X antenna, realize the communication of vehicle to X communication system and vehicular ad hoc (VANET).The PCB
As shown in Figures 2 and 3, reasonable antenna arrangement can effectively improve isolation between antennas to antenna arrangement on plate.
As shown in Fig. 2, smart antenna box internal antenna layout: No. 1 antenna and No. 2 antenna at least one covering
2G/3G/4G/5G frequency range, another antenna at least cover 5G antenna, constitute 5G mimo antenna；No. 3 antennas may be designed as GNSS
Laminated antenna designs the stack-design of perhaps GNSS and SDARS antenna or only single layer GNSS antenna designs；No. 4 antennas can
To arrange RKE/TPMS antenna；No. 5 aerial positions can arrange wifi antenna or Bluetooth antenna or V2X antenna；No. 6 antennas
Position can arrange wifi antenna, Bluetooth antenna or V2X antenna；No. 7 aerial positions can arrange wifi antenna, bluetooth day
Line or V2X antenna.
As shown in figure 3, the smart antenna box internal antenna layout: No. 1 antenna, No. 2 antennas, No. 8 antennas, No. 9 antennas
In at least one covering 2G/3G/4G/5G frequency range, the other three antenna at least cover 5G frequency range, composition 5G mimo antenna group.3
Number antenna may be designed as the design of GNSS double frequency the laminated antenna perhaps stack-design of GNSS and SDARS antenna or only single layer
GNSS antenna design；No. 4 antennas arrange RKE/TPMS antenna；No. 6 aerial positions can arrange wifi antenna or Bluetooth antenna,
Or V2X antenna.
The present invention collects more car antennas, rf processing circuitry, the base band signal process such as 5G mimo antenna and uses Ethernet
The control signal of transmission collects the functions such as positioning, network, communication, intelligent unlocking in smart antenna box in one, eliminates biography
Defeated line and coaxial fitting reduce hardware cost and wiring difficulty, reduce interference, improve antenna performance, while eliminating coaxial
The loss of line bring.
Embodiments described above does not constitute the restriction to the technical solution protection scope.It is any in above-mentioned implementation
Made modifications, equivalent substitutions and improvements etc., should be included in the protection model of the technical solution within the spirit and principle of mode
Within enclosing.
Claims (9)
1. a kind of vehicle-mounted 5G smart antenna box, which is characterized in that the smart antenna box is mounted on vehicle body, the intelligence day
Each radio frequency signal processing circuit that pcb board front is equipped with car antenna group and is adapted to the car antenna group in wire box, it is described
Car antenna group is used to carry out the received radiofrequency signal of each antenna for receiving radiofrequency signal, the radio frequency signal processing circuit
Digitized processing is transmitted to car body electronic control unit after Digital Signal Processing；Wherein, the car antenna group includes
At least two antennas, one of antenna covering 2G, 3G, 4G and 5G communication, another antenna constitute 5G mimo antenna.
2. a kind of vehicle-mounted 5G smart antenna box as described in claim 1, which is characterized in that the 5G mimo antenna is placed in institute
Pcb board long side edge is stated, and reserves preset distance with edge.
3. a kind of vehicle-mounted 5G smart antenna box as claimed in claim 2, which is characterized in that the 5G mimo antenna uses bullet
Piece, FPC, LDS form are mounted on the pcb board front.
4. a kind of vehicle-mounted 5G smart antenna box as claimed in claim 1 or 2, which is characterized in that the smart antenna box installation
In vehicle body without plated reserved area, i.e., the described smart antenna box upper area is without metal covering.
5. a kind of vehicle-mounted 5G smart antenna box as claimed in claim 4, which is characterized in that the car antenna group further includes
Any one of GNSS antenna, SDARS antenna, wifi antenna, RKE antenna, TPMS antenna, Bluetooth antenna, V2X antenna are appointed several
The combination of kind.
6. a kind of vehicle-mounted 5G smart antenna box as claimed in claim 5, which is characterized in that the GNSS antenna or SDARS days
Line or GNSS and SDARS laminated antenna are placed in the pcb board front close to intermediate position.
7. a kind of vehicle-mounted 5G smart antenna box as claimed in claim 6, which is characterized in that the Wifi antenna and Bluetooth antenna
The pcb board front is mounted in the form of FPC on elastic slice or bracket close to edge.
8. a kind of vehicle-mounted 5G smart antenna box as claimed in claim 7, which is characterized in that the smart antenna box is additionally provided with company
Device is connect, the connector is for power supply and signal transmission.
9. a kind of vehicle-mounted 5G smart antenna box as claimed in claim 8, which is characterized in that the smart antenna box is rectangle envelope
Fill shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910467954.6A CN110165368A (en) | 2019-05-31 | 2019-05-31 | A kind of vehicle-mounted 5G smart antenna box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910467954.6A CN110165368A (en) | 2019-05-31 | 2019-05-31 | A kind of vehicle-mounted 5G smart antenna box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110165368A true CN110165368A (en) | 2019-08-23 |
Family
ID=67630292
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910467954.6A Pending CN110165368A (en) | 2019-05-31 | 2019-05-31 | A kind of vehicle-mounted 5G smart antenna box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110165368A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110931949A (en) * | 2019-11-29 | 2020-03-27 | 惠州市德赛西威汽车电子股份有限公司 | Shark fin antenna structure with ETC function |
| CN112542691A (en) * | 2020-12-15 | 2021-03-23 | 上海安费诺永亿通讯电子有限公司 | High-integration vehicle-mounted antenna group |
| CN113078917A (en) * | 2021-04-07 | 2021-07-06 | 上海麦腾物联网科技有限公司 | Internet of vehicles distributed smart antenna |
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| US20090067371A1 (en) * | 2007-06-13 | 2009-03-12 | Telsey S.P.A. | Gateway equipped with a multi-antenna transceiver system with MISO architecture for WI-FI communications |
| CN104466432A (en) * | 2013-09-12 | 2015-03-25 | 莱尔德技术股份有限公司 | Multiband MIMO vehicular antenna assemblies with DSRC capabilities |
| KR20160061770A (en) * | 2014-11-24 | 2016-06-01 | 엘에스엠트론 주식회사 | Internal antenna module for vehicle |
| CN207009669U (en) * | 2017-07-18 | 2018-02-13 | 深圳市新辅升电子科技有限公司 | Vehicle-mounted double 4G antennas |
| WO2018105235A1 (en) * | 2016-12-06 | 2018-06-14 | 株式会社ヨコオ | Antenna device |
| CN208368727U (en) * | 2018-06-14 | 2019-01-11 | 惠州硕贝德无线科技股份有限公司 | A kind of shark fins 5G multiaerial system |
-
2019
- 2019-05-31 CN CN201910467954.6A patent/CN110165368A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090067371A1 (en) * | 2007-06-13 | 2009-03-12 | Telsey S.P.A. | Gateway equipped with a multi-antenna transceiver system with MISO architecture for WI-FI communications |
| CN104466432A (en) * | 2013-09-12 | 2015-03-25 | 莱尔德技术股份有限公司 | Multiband MIMO vehicular antenna assemblies with DSRC capabilities |
| KR20160061770A (en) * | 2014-11-24 | 2016-06-01 | 엘에스엠트론 주식회사 | Internal antenna module for vehicle |
| WO2018105235A1 (en) * | 2016-12-06 | 2018-06-14 | 株式会社ヨコオ | Antenna device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110931949A (en) * | 2019-11-29 | 2020-03-27 | 惠州市德赛西威汽车电子股份有限公司 | Shark fin antenna structure with ETC function |
| CN112542691A (en) * | 2020-12-15 | 2021-03-23 | 上海安费诺永亿通讯电子有限公司 | High-integration vehicle-mounted antenna group |
| CN112542691B (en) * | 2020-12-15 | 2022-09-27 | 上海安费诺永亿通讯电子有限公司 | High-integration vehicle-mounted antenna group |
| CN113078917A (en) * | 2021-04-07 | 2021-07-06 | 上海麦腾物联网科技有限公司 | Internet of vehicles distributed smart antenna |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190823 |