CN110071859A - Vehicle intelligent antenna and onboard system - Google Patents
Vehicle intelligent antenna and onboard system Download PDFInfo
- Publication number
- CN110071859A CN110071859A CN201910322325.4A CN201910322325A CN110071859A CN 110071859 A CN110071859 A CN 110071859A CN 201910322325 A CN201910322325 A CN 201910322325A CN 110071859 A CN110071859 A CN 110071859A
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- Prior art keywords
- antenna
- module
- vehicle
- interface
- box body
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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
- H01Q1/1207—Supports; Mounting means for fastening a rigid aerial element
- H01Q1/1214—Supports; Mounting means for fastening a rigid aerial element through a wall
-
- 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
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/40—Bus networks
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/40—Bus networks
- H04L2012/40267—Bus for use in transportation systems
- H04L2012/40273—Bus for use in transportation systems the transportation system being a vehicle
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
Abstract
The invention discloses a kind of vehicle intelligent antenna and onboard systems, smart antenna includes telecommunication control unit and integral antenna assembly, the integral antenna assembly include antenna box body and be located at the intracorporal antenna circuit of the antenna box, the telecommunication control unit includes controller box body and control circuit, the antenna box box body is assembled on the controller box body, the controller box body is mountable at vehicle-mounted top, vehicle-mounted required various antennas are all fused together by the present invention, optimize harness, it can be connected with vehicle device with a vehicle-mounted ethernet line, simplified wiring is reached, reduce antenna redundancy, the purpose of save the cost, function is richer, and entire smart antenna is mounted on vehicle-mounted top, optimize the position of allocating antenna, signal can be preferably received compared to interior antenna.
Description
Technical field
The present invention relates to car antenna field more particularly to a kind of vehicle intelligent antennas and onboard system.
Background technique
Existing car antenna is typically all that two or three kind of antenna is combined together, and cabling is very chaotic, interior each member
The bus communication of device is different.In addition, in current vehicle, in order to keep the antenna of roof relatively beautiful, many car owner's meetings
Using antenna as shark fins, but this antenna largely only has the antenna of radio, other antennas still in each place,
Cause cost very high, there are many harness.
Car before has IVI (In-Vehicle Infotainment vehicle-mounted information and entertainment system) and TCU (long-range
Information control unit) and BCM (body control module car body control module) antenna, these antenna be distributed in the car
Each region, cause interior antenna to have the case where many redundancies, and structure is in disorder, can expend more coaxial connecting lines
And connector, greatly increase the cost of enterprise, and antenna is distributed in each region, the poor signal in some regions.
To sum up, existing car antenna is distributed in each region, cost is very high, has a single function, jitter.
Summary of the invention
The technical problem to be solved in the present invention is that in view of the above drawbacks of the prior art, providing a kind of vehicle intelligent day
Line and onboard system.
The technical solution adopted by the present invention to solve the technical problems is: constructing a kind of vehicle intelligent antenna, including long-range
Communication controler and integral antenna assembly, the integral antenna assembly include antenna box body and are located in the antenna box body
Antenna circuit, the telecommunication control unit includes controller box body and control circuit, and the antenna box box body is assembled in
On the controller box body, the controller box body is mountable at vehicle-mounted top；
The antenna circuit includes vehicle-mounted required various telecommunication antennaes and connect with various telecommunication antennaes
First antenna interface；
The control circuit includes: for being responsible for inside entire smart antenna, between smart antenna and other external modules
Information processing work control unit, short distance antenna, remote communication module, radio receiver module, the second antennal interface, can connect
Enter the Ethernet interface of vehicle-mounted Ethernet, can access the bus interface of vehicle bus, it is the bus interface, vehicle-mounted required various
Short distance antenna, remote communication module are separately connected described control unit, and the Ethernet interface connects the telecommunication mould
Block, second antennal interface are separately connected the radio receiver module and remote communication module, and the first antenna interface with
The docking of second antennal interface.
Preferably, the various telecommunication antennaes include: 4G movable signal antenna, position signal antenna, reception signals
Antenna.
Preferably, the remote communication module includes 4G module, and described control unit includes MCU；
One UART port of the 4G module is connect with a UART port of the MCU, to realize the 4G module and institute
State the serial communication between MCU；
The Ethernet interface is connected to the SGMII mouth of the 4G module, and 4G movable signal antenna passes through first, second day
Line interface is connected to the 4G antenna opening of 4G module, and position signal antenna is connected to 4G module by the first, second antennal interface
Position antenna opening；
The bus interface is CAN interface, and the CAN interface is connected to the CAN mouth of the MCU；
The radio receiver module connect the receipts with the relevant pins of the second antennal interface by the first antenna interface
Sound signal antenna, the radio receiver module also respectively with one I2S mouthfuls of the 4G module, I2S mouthfuls of companies of the MCU
It connects；
The 4G module can by the 4G movable signal antenna access to mobile network, and can by the Ethernet by its
The mobile network sharing accessed, which is given, is connected to the vehicle device of gateway, can also by the received location information of position signal antenna by with
Too net is pass on to vehicle device, also be can receive the audio that radio receiver module is sent and is sent to the vehicle device by Ethernet.
Preferably, the short distance antenna includes WiFi antenna, and the control circuit further includes WiFi module, the WiFi
Antenna connects the WiFi module, and the WiFi module connects one SDIO mouthfuls of the 4G module, and the WiFi module is used for
The telecommunication network is shared out.
Preferably, the short distance antenna includes Bluetooth antenna, and the control circuit further includes bluetooth module, the bluetooth
Antenna connects the bluetooth module, and the bluetooth module connects a UART port of the MCU；
The MCU can be communicated via bluetooth module, Bluetooth antenna with the Bluetooth terminal, and can to the Bluetooth terminal into
Row certification, certification can send corresponding order after passing through according to the control signal of the Bluetooth terminal and be hung over to bus with controlling
Corresponding module in bus.
Preferably, the control circuit further includes audio conversion module, loudspeaker, microphone, push button for emergency call and failure
Call button, the input/output port of the audio conversion module are connected to another I2S mouthfuls of the 4G module, the audio conversion
The delivery outlet for changing the mold block connects the loudspeaker, and the input port of the audio conversion module connects the microphone, described promptly to exhale
Key and failure call button is made to be respectively connected to two GPIO mouthfuls of the MCU；
The push button for emergency call and failure call button can trigger the MCU transmission when pressed respectively and ask accordingly
Information is rescued to the 4G module, after distress signals and location information can be sent to background service center and called by the 4G module
Platform service centre establishes the information exchange access of audio conversion module and background service center, real by the loudspeaker, microphone
Now with the dialogue of background service center.
Preferably, a roof metal plate, the antenna box body are provided between the controller box body and the antenna box body
Including pedestal and the matched collision mat of the pedestal and shark fins antenna cover, the first PCBA board, it is arranged on the roof metal plate
Have and be located in the groove with the matched groove of the collision mat, the collision mat, the pedestal is located at the collision mat
On, on the base, the shark fins antenna cover and the pedestal fasten and form an appearance for the first PCBA board assembly
Receive the cavity of first PCBA board.
Preferably, there is a window, there are two installation foot, the waterproofs for the bottom tool of the pedestal on the pedestal
Pad, offer on roof metal plate with matched two via holes of described two installation feet and with the first antenna Interface Matching
Via hole, the antenna circuit is fixed on first PCBA board, and the first antenna interface successively penetrates the pedestal
Window and the collision mat, roof metal plate corresponding via hole after docked with the second antennal interface at the top of controller box body；
The controller box body includes two mounting ears, and described two mounting ears offer and described two installation feet respectively
Matched via hole, the end of described two installation feet are provided with screw thread, and described two installation feet sequentially pass through the collision mat, vehicle
Push up the corresponding via hole of metal plate, mounting ear, and the screw thread of described two installation feet stretch out after the via hole of corresponding mounting ear with nut
Locking.
Preferably, the controller box body is fastened by upper cover and lower cover forms, and the left and right two of the upper cover is respectively provided with
One mounting ear, the upper tops offer the window passed through for the second antennal interface, the controller box body
One the second PCBA board of interior setting and the battery powered to entire control circuit, the control circuit are set to described second
In PCBA board.
Another aspect of the present invention also discloses a kind of onboard system, including vehicle device, car body control module and as preceding any
Smart antenna described in, the vehicle device are connected to interior gateway, and the car body control module connects vehicle bus, the intelligence
The Ethernet interface of antenna connects the gateway by cable, and the bus interface of the smart antenna connects bus.
Vehicle intelligent antenna of the invention and onboard system have the advantages that the present invention will be vehicle-mounted required
Various antennas are all fused together, and optimize harness, can be connected with vehicle device with a vehicle-mounted ethernet line, reached simplified cloth
Line, the purpose for reducing antenna redundancy, save the cost, function is richer, and entire smart antenna is mounted on vehicle-mounted top, optimizes
The position of allocating antenna can preferably receive signal compared to interior 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
The embodiment of invention for those of ordinary skill in the art without creative efforts, can also basis
The attached drawing of offer obtains other attached drawings:
Fig. 1 is the architecture diagram of onboard system；
Fig. 2 is the structural schematic diagram of vehicle intelligent antenna of the present invention；
Fig. 3 is the exploded view of vehicle intelligent antenna of the present invention；
Fig. 4 is the exploded view of integral antenna assembly；
Fig. 5 is the exploded view of telecommunication control unit.
Specific embodiment
To facilitate the understanding of the present invention, a more comprehensive description of the invention is given in the following sections with reference to the relevant attached drawings.In attached drawing
Give exemplary embodiments of the invention.But the invention can be realized in many different forms, however it is not limited to this paper institute
The embodiment of description.On the contrary, purpose of providing these embodiments is make it is more thorough and comprehensive to the disclosure.It answers
When understanding that the specific features in the embodiment of the present invention and embodiment are the detailed description to technical scheme, rather than
Restriction to technical scheme, in the absence of conflict, the technical characteristic in the embodiment of the present invention and embodiment can
To be combined with each other.
Unless otherwise defined, all technical and scientific terms used herein and belong to technical field of the invention
The normally understood meaning of technical staff is identical.Term as used herein in the specification of the present invention is intended merely to description tool
The purpose of the embodiment of body, it is not intended that in the limitation present invention.
" first ", " second " used in this specification etc. includes that the term of ordinal number can be used for illustrating various constituent elements,
But these constituent elements are not limited by these terms.It is only that using the purpose of these terms and distinguishes a constituent element
In other constituent elements.For example, first constituent element can be named as under the premise of not departing from interest field of the invention
Two constituent elements, similarly, the second constituent element can also be named as the first constituent element.
In order to better understand the above technical scheme, in conjunction with appended figures and specific embodiments to upper
Technical solution is stated to be described in detail,
One aspect of the present invention provides smart antenna, on the other hand provides the onboard system for using the smart antenna, reference
Fig. 1, onboard system include smart antenna, vehicle device, the car body control module etc., and the vehicle device is connected to interior gateway, institute
State car body control module connection vehicle bus.
It is entire it is vehicle-mounted with the various telecommunications of outside, short-range communication be all that smart antenna through the invention is realized.
Specifically, smart antenna of the invention includes telecommunication control unit and integral antenna assembly.It is described integrated with reference to Fig. 1-2
Antenna assembly includes antenna box body 1 and the antenna circuit in the antenna box body 1.The telecommunication control unit includes
Controller box body 3 and control circuit.The antenna box box body is assembled on the controller box body 3, the controller box body 3
It is mountable at vehicle-mounted top.
It first combines Fig. 1 that circuit part is described in detail below, is carried out specifically in conjunction with Fig. 2-5 pairs of structure divisions
It is bright.
With reference to Fig. 1, the antenna circuit include vehicle-mounted required various telecommunication antennaes and with various telecommunications
The first antenna interface of antenna connection.The control circuit include: for being responsible for inside entire smart antenna, smart antenna and its
The control unit of information processing work between his external module, short distance antenna, remote communication module, radio receiver module,
Two antennal interfaces, the Ethernet interface that can access vehicle-mounted Ethernet, the bus interface that can access vehicle bus, the bus connect
Mouth, vehicle-mounted required various short distance antennas, remote communication module are separately connected described control unit, and the Ethernet interface connects
The remote communication module is connect, second antennal interface is separately connected the radio receiver module and remote communication module, and institute
First antenna interface is stated to dock with the second antennal interface.
Vehicle device (vehicle-mounted information and entertainment system) is connect with gateway, the Ethernet interface of smart antenna also by a cable with
Gateway connection, BCM are connect with CAN bus.In this way, vehicle device, BCM and external any communication can be by intelligence of the invention
Antenna is realized.Moreover, it is subsequent vehicle-mounted interior if there is other modules are expanded, if these modules are mounted to bus or access
Gateway, can also be by antenna of the invention and PERCOM peripheral communication.
Herein it should be noted that first antenna interface, the second antennal interface are mutually matched, can be mutually inserted,
And first antenna interface, the second antennal interface actually include pin corresponding with various telecommunication antennaes, and different is remote
Journey communication antenna is connected to corresponding pin.
In the present embodiment, the various telecommunication antennaes include: 4G movable signal antenna, such as 4G primary antenna, 4G pair
Antenna；Position signal antenna, such as GPS antenna；Reception signals antenna, such as FM/AM antenna, DAB antenna.
Preferably, the remote communication module includes 4G module, it is to be understood that 4G module can also be by 5G module etc.
Other remote communication modules substitution.Described control unit includes MCU.For example, 4G module can be selected in a specific example
The AG35 of remote communication common carrier is moved in Shanghai, and MCU can select miniature RH850.
Specifically, a UART port of the 4G module is connect with a UART port of the MCU, to realize the 4G mould
Serial communication between block and the MCU.
In the present embodiment, the corresponding pin that 4G major-minor antenna passes through the first, second antennal interface respectively is connected to 4G module
4G antenna opening ANT_MA IN, ANT_DIV, GPS antenna is connected to 4G mould by the corresponding pin of the first, second antennal interface
The position antenna opening ANT_GN SS of block.
In the present embodiment, Ethernet interface is specially BR (the vehicle-mounted ethernet physical layer interface of BroadR-Reach Botong
Technology) interface, BR interface is connected to the SGMII mouth of the 4G module, any telecommunication of vehicle device and outside be all via
4G module is responsible for.
In the present embodiment, bus interface is CAN interface, and the CAN interface is connected to the CAN mouth of the MCU.CAN bus
On modules communicate with external any far and near distance be responsible for via MCU, the modules in CAN bus and outside
Any telecommunication be all via 4G module be responsible for.
Preferably, control circuit further includes SIM card IC, and SIM card IC is connected to the SIM mouth of 4G module, and SIM card IC can be real
Existing telephony feature, user can execute the operations such as specific dialing in vehicle device.
Preferably, control circuit further includes USB interface, and USB interface is connected to the USB port of 4G module.
The radio receiver module connect the receipts with the relevant pins of the second antennal interface by the first antenna interface
Sound signal antenna, the radio receiver module also respectively with one I2S mouthfuls of the 4G module, I2S mouthfuls of companies of the MCU
It connects.
The 4G module can by the 4G movable signal antenna access to mobile network, and can by the Ethernet by its
The mobile network sharing accessed, which is given, is connected to the vehicle device of gateway, can also by the received location information of position signal antenna by with
Too net is pass on to vehicle device, also be can receive the audio that radio receiver module is sent and is sent to the vehicle device by Ethernet.
In the present embodiment, the short distance antenna includes WiFi antenna, Bluetooth antenna, and the control circuit further includes WiFi
Module, bluetooth module, the WiFi antenna connect the WiFi module.
The WiFi module connects one SDIO mouthfuls of the 4G module, and the WiFi module is used for the telecommunication network
It shares out.
The Bluetooth antenna connects the bluetooth module, and the bluetooth module connects a UART port of the MCU, described
MCU can be communicated via bluetooth module, Bluetooth antenna with the Bluetooth terminal, and can be authenticated to the Bluetooth terminal, certification
Corresponding order can be sent according to the control signal of the Bluetooth terminal after and controls the phase hung in bus to bus
Answer module.
Preferably, in the present embodiment, the control circuit further includes audio conversion module, loudspeaker, microphone, urgent call
Key (ECALL key) and failure call button (BCALL key), the input/output port of the audio conversion module is connected to institute
The delivery outlet of another I2S mouthfuls for stating 4G module, the audio conversion module connects the loudspeaker, the audio conversion module
Input port connects the microphone, and the push button for emergency call and failure call button are respectively connected to two of the MCU
GPIO mouthfuls.The push button for emergency call and failure call button can trigger the MCU transmission when pressed respectively and ask accordingly
Information is rescued to the 4G module, distress signals and location information can be sent to backstage by the 4G module, and call background service
Calling (is realized using SIM card IC) in center, establishes the information exchange access of audio conversion module and background service center, passes through institute
State loudspeaker, microphone is realized and the dialogue of background service center.
The structure of inventive antenna is described below.
With reference to Fig. 3, it is preferable that be provided with a roof metal plate 2, vehicle between the controller box body 3 and the antenna box body 1
The planar dimension for pushing up metal plate 2 is greater than the planar dimension of controller box body 3, antenna box body 1.
With reference to Fig. 4, the antenna box body 1 includes pedestal 12 and the matched collision mat 11 of the pedestal 12 and shark fins
Antenna cover 13, the first PCBA board 14 are provided with and the matched shallower groove of the collision mat 11, institute on the roof metal plate 2
It states collision mat 11 to be located in the groove, the pedestal 12 is located on the collision mat 11, and first PCBA board 14 fills
It fits on the pedestal 12, the shark fins antenna cover 13, which fastens with the pedestal 12 and forms one, accommodates the first PCBA
The cavity of plate 14.
There is a window, there are two installation feet for the left and right ends tool that leans on of the bottom of the pedestal 12 on the pedestal 12
121, offer on the collision mat 11, roof metal plate 2 with 121 matched two via holes of described two installation feet and with institute
The via hole of first antenna Interface Matching is stated, the antenna circuit is fixed on first PCBA board 14, and the first antenna connects
Mouth successively penetrate the pedestal 12 window and the collision mat 11, roof metal plate 2 corresponding via hole after with controller box body 3
Second antennal interface at top docks；
With reference to Fig. 5, the controller box body 3 is formed by upper cover 31 and the fastening of lower cover 32, a generally rectangular box, on
The front side for the controller box body 3 that lid 31 and lower cover 32 are formed after fastening or rear side form at least one window, mainly for control
Interface in circuit processed passes through, in addition, there are also key, microphone, loudspeaker etc., it can also be exposed by window.
Such as CAN interface, USB interface.The left and right two of the upper cover 31 is respectively provided with a mounting ear 311.On described
The window 310 passed through for the second antennal interface, setting one second in the controller box body 3 are offered at the top of lid 31
PCBA board 33 and the battery 34 powered to entire control circuit, the control circuit are set in second PCBA board 33.
Described two mounting ears 311 offer and the matched via hole of described two installation feet 121, described two installations respectively
The end of foot 121 is provided with screw thread, and described two installation feet 121 sequentially pass through the collision mat 11, roof metal plate 2, mounting ear
311 corresponding via hole, and the screw thread of described two installation feet 121 stretch out the via hole of corresponding mounting ear 311 after locked with nut 4
Tightly.
In the present invention, antenna box body 1 is on roof, to prevent leak, has installed roof metal plate 2 additional in the connection with roof
Place, roof metal plate 2 and controller box body 3 are placed on inside roof.Erection sequence is as follows: firstly, antenna box body 1 is placed on roof metal plate
On gold 2；Then, controller box body 3 is placed under roof metal plate 2, and by the mounting ear of controller box body 3 311 and antenna box body 1
Installation foot 121 to good；Finally, both sides installation foot 121 is tightened with nut 4.
Below to the functional application scene introduction of the present embodiment smart antenna:
Scene 1: mobile network is shared to vehicle device by vehicle-mounted Ethernet
1) smart antenna accesses the mobile network of signal station by 4G module, major-minor antenna.
2) 4G module configuration ethernet network interface card DHCP service, so that Ethernet network interface has dynamic and shares mobile network's function
Energy.
3) after smart antenna accesses interior gateway, mobile network is shared with vehicle device by vehicle-mounted Ethernet by smart antenna；
4) certain outer net network address is accessed on vehicle device interface or listens Online Music.
5) related access request is sent to smart antenna by gateway by vehicle device, is then passing through mobile network's accessing external network
Backbone network.
Scene 2: GPS position information is provided and is navigated to vehicle device
1) the 4G module of smart antenna receives satellite positioning information by GPS antenna.
2) 4G module location information by vehicle-mounted Ethernet cyclical transmission to vehicle device.
3) navigation interface in vehicle device is opened, the position of vehicle can be specifically navigated in interface.
Scene 3: broadcast audio is sent to vehicle device by vehicle-mounted Ethernet
1) radio station is arranged by vehicle device radio application.
2) Broadcasting Control instruction is sent to smart antenna by vehicle-mounted Ethernet；
3) radio receiver module receives the signal of FM antenna and AM antenna and DAB antenna, and radio receiver module sends radio sound
Frequency gives 4G module.
4) 4G module sends broadcast audio stream to vehicle device by Ethernet.
5) vehicle device plays broadcast audio by vehicle audio.
Scene 4: mobile network is shared to the mobile phone of passenger inside the vehicle or other mobile terminal devices
1) smart antenna access to mobile network.
2) smart antenna comes out mobile network sharing by WiFi module, specifically generation WiFi network.
3) mobile phone of passenger inside the vehicle or other mobile terminal devices can access this WiFi network, then pass through intelligence again
It can antenna access outer net network of relation.
Scene 5: virtual bluetooth key is realized by bluetooth
1) pass through smart antenna in mobile phone B LE connection.
2) mobile phone A pp and smart antenna do both sides' identity identifying and authenticating, and the certification work of smart antenna is responsible for by MCU.
3) after certification passes through, mobile phone A pp can directly transmit the manipulation commands such as door opening/boot to smart antenna.
4) manipulation command received is converted into CAN correlation control signal and is transmitted to BCM by smart antenna.
5) after BCM receives related CAN control signal, the car door/boot for opening vehicle is removed.
Scene 6: automatically dial, which calls for help phone or passed through a key, carries out distress call
1) BCALL key, MCU are pressed when automobile, which casts anchor, is by the ECALL key on getting off when an accident occurs
Detect that key is pressed.
2) when the pop-up of strong collision air bag occurs in safety, BCM issues related CAN signal, and MCU receives substitute
The CAN signal of capsule pop-up.
3) when there is above-mentioned 1,2 two kind of situation, MCU sends the information of calling by serial ports and body information gives 4G module.
4) 4G module is handled after receiving call information and obtains the location information of current vehicle.
5) information such as vehicle-state and position are sent to backstage, while SIM card calls background service center.
6) background process information of vehicles.
7) backstage return information is to 4G.
8) 4G module pass through connect audio processing modules loudspeaker and microphone with from the background engage in the dialogue.
In conclusion vehicle intelligent antenna of the invention and onboard system, have the advantages that the present invention by vehicle
Various antennas needed for carrying all are fused together, and are optimized harness, can be connected with vehicle device with a vehicle-mounted ethernet line, be reached
Simplified wiring, the purpose for reducing antenna redundancy, save the cost, function is richer, and entire smart antenna be mounted on it is vehicle-mounted
Top optimizes the position of allocating antenna, can preferably receive signal compared to interior antenna.
The embodiment of the present invention is described with above attached drawing, but the invention is not limited to above-mentioned specific
Embodiment, the above mentioned embodiment is only schematical, rather than restrictive, those skilled in the art
Under the inspiration of the present invention, without breaking away from the scope protected by the purposes and claims of the present invention, it can also make very much
Form, all of these belong to the protection of the present invention.
Claims (10)
1. a kind of vehicle intelligent antenna, which is characterized in that described integrated including telecommunication control unit and integral antenna assembly
Antenna assembly includes antenna box body and is located at the intracorporal antenna circuit of the antenna box, and the telecommunication control unit includes control
Device box body processed and control circuit, the antenna box box body are assembled on the controller box body, and the controller box body can pacify
Mounted in vehicle-mounted top；
The antenna circuit include vehicle-mounted required various telecommunication antennaes and connect with various telecommunication antennaes
One antennal interface；
The control circuit includes: the letter for being responsible for inside entire smart antenna, between smart antenna and other external modules
The control unit of breath processing work, remote communication module, radio receiver module, the second antennal interface, can access vehicle at short distance antenna
It carries the Ethernet interface of Ethernet, can access the bus interface of vehicle bus, the bus interface, vehicle-mounted required various low coverages
It is separately connected described control unit from antenna, remote communication module, the Ethernet interface connects the remote communication module, institute
It states the second antennal interface and is separately connected the radio receiver module and remote communication module, and the first antenna interface and second day
Line interface docking.
2. vehicle intelligent antenna according to claim 1, which is characterized in that the various telecommunication antennaes include: 4G
Movable signal antenna, position signal antenna, reception signals antenna.
3. vehicle intelligent antenna according to claim 2, which is characterized in that the remote communication module includes 4G module,
Described control unit includes MCU；
One UART port of the 4G module is connect with a UART port of the MCU, to realize the 4G module and the MCU
Between serial communication；
The Ethernet interface is connected to the SGMII mouth of the 4G module, and 4G movable signal antenna is connect by the first, second antenna
Mouth is connected to the 4G antenna opening of 4G module, and position signal antenna is connected to the position of 4G module by the first, second antennal interface
Antenna opening；
The bus interface is CAN interface, and the CAN interface is connected to the CAN mouth of the MCU；
The radio receiver module connect the radio reception letter by the first antenna interface with the relevant pins of the second antennal interface
Number antenna, the radio receiver module are also connect with one I2S mouthfuls of the 4G module, one I2S mouthfuls of the MCU respectively；
The 4G module can be by the 4G movable signal antenna access to mobile network, and can be connect it by the Ethernet
The mobile network sharing entered gives the vehicle device for being connected to gateway, also the received location information of position signal antenna can be passed through Ethernet
It passs on to vehicle device, also can receive the audio that radio receiver module is sent and the vehicle device is sent to by Ethernet.
4. vehicle intelligent antenna according to claim 3, which is characterized in that the short distance antenna includes WiFi antenna,
The control circuit further includes WiFi module, the WiFi antenna connection WiFi module, described in the WiFi module connection
SDIO mouthfuls of one of 4G module, the WiFi module is for sharing out the telecommunication network.
5. vehicle intelligent antenna according to claim 3, which is characterized in that the short distance antenna includes Bluetooth antenna,
The control circuit further includes bluetooth module, the Bluetooth antenna connection bluetooth module, described in the bluetooth module connection
A UART port of MCU；
The MCU can be communicated via bluetooth module, Bluetooth antenna with the Bluetooth terminal, and can be recognized the Bluetooth terminal
Card, certification can send corresponding order after passing through according to the control signal of the Bluetooth terminal and be hung over controlling in bus to bus
On corresponding module.
6. vehicle intelligent antenna according to claim 3, which is characterized in that the control circuit further includes audio modulus of conversion
Block, loudspeaker, microphone, push button for emergency call and failure call button, the input/output port of the audio conversion module are connected to
The delivery outlet of another I2S mouthfuls of the 4G module, the audio conversion module connects the loudspeaker, the audio conversion module
Input port connect the microphone, the push button for emergency call and failure call button are respectively connected to two of the MCU
GPIO mouthfuls；
The push button for emergency call and failure call button can trigger the MCU when pressed respectively and send corresponding emergency letter
To the 4G module, distress signals and location information can be sent to background service center and call backstage and taken breath by the 4G module
The information exchange access of audio conversion module and background service center is established at business center, by the loudspeaker, microphone realize with
The dialogue of background service center.
7. vehicle intelligent antenna according to claim 1, which is characterized in that the controller box body and the antenna box body
Between be provided with a roof metal plate, the antenna box body include pedestal, with the matched collision mat of the pedestal and shark fins day
Line lid, the first PCBA board are provided on the roof metal plate and are located at institute with the matched groove of the collision mat, the collision mat
It states in groove, the pedestal is located on the collision mat, and first PCBA board is assembled on the base, the shark fins
Antenna cover and the pedestal fasten and form the cavity for accommodating first PCBA board.
8. vehicle intelligent antenna according to claim 7, which is characterized in that there is a window on the pedestal, it is described
The bottom tool of pedestal is offered matched with described two installation feet on the collision mat, roof metal plate there are two installation foot
Two via holes and via hole with the first antenna Interface Matching, the antenna circuit are fixed on first PCBA board, and
The first antenna interface successively penetrate the pedestal window and the collision mat, roof metal plate corresponding via hole after with control
The second antennal interface docking at the top of device box body processed；
The controller box body includes two mounting ears, and described two mounting ears offer respectively to be matched with described two installation feet
Via hole, the end of described two installation feet is provided with screw thread, and described two installation feet sequentially pass through the collision mat, roof metal plate
The corresponding via hole of gold, mounting ear, and the screw thread of described two installation feet stretch out after the via hole of corresponding mounting ear with nut check.
9. vehicle intelligent antenna according to claim 7, which is characterized in that the controller box body is by upper cover and lower cover button
It closes and is formed, the left and right two of the upper cover is respectively provided with the mounting ear, and the upper tops offer one for second
The window that antennal interface passes through, the controller box body is interior to be arranged second PCBA board and to the power supply of entire control circuit
Battery, the control circuit are set in second PCBA board.
10. a kind of onboard system, including vehicle device, car body control module and the described in any item intelligent days such as claim 1-9
Line, the vehicle device are connected to interior gateway, and the car body control module connects vehicle bus, and the Ethernet of the smart antenna connects
Mouth connects the gateway by cable, and the bus interface of the smart antenna connects bus.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910322325.4A CN110071859A (en) | 2019-04-22 | 2019-04-22 | Vehicle intelligent antenna and onboard system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910322325.4A CN110071859A (en) | 2019-04-22 | 2019-04-22 | Vehicle intelligent antenna and onboard system |
Publications (1)
| Publication Number | Publication Date |
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| CN110071859A true CN110071859A (en) | 2019-07-30 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910322325.4A Pending CN110071859A (en) | 2019-04-22 | 2019-04-22 | Vehicle intelligent antenna and onboard system |
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| Country | Link |
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| CN (1) | CN110071859A (en) |
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| CN110830344A (en) * | 2019-09-30 | 2020-02-21 | 上海麦腾物联网技术有限公司 | Novel integrated intelligent antenna, vehicle and control method thereof |
| CN111555766A (en) * | 2020-04-09 | 2020-08-18 | 恒大新能源汽车投资控股集团有限公司 | Vehicle-mounted terminal system |
| CN112910513A (en) * | 2021-03-03 | 2021-06-04 | 立讯精密工业（昆山）有限公司 | Intelligent antenna system and communication method |
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