CN109818978A - A kind of vehicle-mounted Ethernet conversion equipment and method - Google Patents
A kind of vehicle-mounted Ethernet conversion equipment and method Download PDFInfo
- Publication number
- CN109818978A CN109818978A CN201910207602.7A CN201910207602A CN109818978A CN 109818978 A CN109818978 A CN 109818978A CN 201910207602 A CN201910207602 A CN 201910207602A CN 109818978 A CN109818978 A CN 109818978A
- Authority
- CN
- China
- Prior art keywords
- interface
- vehicle
- signal
- transceiver
- standard
- 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
Abstract
The invention discloses a kind of vehicle-mounted Ethernet conversion equipment and method, which includes: the onboard connector for connecting vehicular equipment；Vehicle-mounted interface physical transceiver is connected to the vehicle-mounted interface connector；Standard interface physics transceiver passes through Media Independent Interface connection and the vehicle-mounted physics transceiver；Microprocessor is connected to the vehicle-mounted interface physical transceiver and the standard interface physics transceiver, to control the communication between the vehicle-mounted interface physical transceiver and the standard interface physics transceiver；For connecting the network interface of external equipment, it is connected to the standard interface physics transceiver.The invention has the benefit that the vehicle-mounted ethernet device of compatible mainstream on the market, transplantability are especially strong；Structure is simple, and performance is stablized, easy to operate.
Description
Technical field
The present invention relates to vehicle-carrying communication technical field more particularly to a kind of vehicle-mounted Ethernet conversion equipment and methods.
Background technique
Before entering automotive field, Ethernet has been obtained for widely using, while also having technology maturation, height
The advantages such as standardization, bandwidth height and low cost.With the fast development of automotive circuit diagram in recent years, interior number of electronic products
Increase year by year, complexity increasingly improves.Technical advantage possessed by Ethernet can meet automaker to car well
The demand of internet.But due to the strict demand of interior electromagnetic compatibility, Ethernet until just achieving technological break-through in recent years
To be able to be applied in automobile.
Currently, the technical standard of the vehicle-mounted Ethernet of mainstream is BroadR-Reach (BRR) technology based on company, Botong,
IEEE (Institute of Electrical and Electric Engineers) has completed vehicle-mounted to 100Mbit/s and 1Gbit/s transmission speed vehicle-mounted ether
The standardization of network technology.Vehicle-mounted Ethernet will be mainly used in the car in the higher system of bandwidth demand.Such as advanced driving
Auxiliary system (ADAS), onboard diagnostic system (OBD), gateway and vehicle-mounted information and entertainment system etc..With traditional In-vehicle networking
Different vehicle-mounted Ethernets can provide bandwidth intensive using required higher data transmission capabilities, it is whole by a variety of in-vehicle networks
It is integrated, realization is thoroughly interconnected, and while improving vehicle safety, is also reduced automobile vendor's research and development and is produced into
This, is expected to become the next-generation networked system that automobile industry is generally acknowledged, following in the car with extensive development space, more and more
Vehicle on both increase vehicle-mounted Ethernet, but the debugging for possessing the equipment of vehicle-mounted Ethernet is brought very very much not to everybody
Just, computer can not be directly connected to and carry out communication test.The offer channel of the commissioning device of vehicle-mounted Ethernet is considerably less, and price
Very expensive, transplantability is weak.Therefore a bottom cost, imperative using simple vehicle-mounted ethernet device is developed.
Summary of the invention
The purpose of the present invention is to provide a kind of vehicle-mounted Ethernet conversion equipment and method, solve in the prior art it is vehicle-mounted with
The offer channel for the commissioning device netted very much is considerably less, and price is very expensive, the weak problem of transplantability.
Technical solution of the present invention is accomplished by
On the one hand, the present invention provides a kind of vehicle-mounted Ethernet conversion equipment, comprising:
Onboard connector for connecting vehicular equipment；
Vehicle-mounted interface physical transceiver, is connected to the onboard connector；
Standard interface physics transceiver passes through Media Independent Interface connection and the vehicle-mounted interface physical transceiver；
Microprocessor is connected to the vehicle-mounted interface physical transceiver and the standard interface physics transceiver, to control
Make the communication between the vehicle-mounted interface physical transceiver and the standard interface physics transceiver；
For connecting the network interface of external equipment, it is connected to the standard interface physics transceiver.
In vehicle-mounted Ethernet conversion equipment of the present invention, the mobile unit includes T-BOX, ADAS and vehicle-mounted joy
Music system.
In vehicle-mounted Ethernet conversion equipment of the present invention, the external equipment includes PC host and embedded sets
It is standby.
On the other hand, a kind of vehicle-mounted Ethernet conversion method is provided, vehicle-mounted Ethernet conversion equipment as described above is passed through
It realizes, comprising:
The first mobile unit signal that onboard connector is received is converted to the first media stand-alone interface signal, and by institute
It states the first media stand-alone interface signal and is converted to the first standard ethernet signal；
The second standard ethernet signal that network interface is received is converted to the second media stand-alone interface signal, and by institute
It states the second media stand-alone interface signal and is converted to the second mobile unit signal.
In vehicle-mounted Ethernet conversion method of the present invention, first that onboard connector is received vehicle-mounted is set
Standby signal is converted to the first media stand-alone interface signal, and by first media stand-alone interface signal be converted to the first standard with
Too net signal, comprising:
Mobile unit is connected to by the onboard connector to receive the first mobile unit signal；
The first mobile unit signal is transmitted to vehicle-mounted interface physical transceiver, and described in controlling by microprocessor
The first mobile unit signal is converted to the first media stand-alone interface signal by vehicle-mounted interface physical transceiver；
First media stand-alone interface signal is transmitted to standard interface physics transceiver, and by the microprocessor
It controls the standard interface physics transceiver and first media stand-alone interface signal is converted into the first standard ethernet signal；
The first standard ethernet signal is transmitted to the external equipment for being connected to network interface.
In vehicle-mounted Ethernet conversion method of the present invention, the second standard ether that network interface is received
Net signal is converted to the second media stand-alone interface signal, and second media stand-alone interface signal is converted to second and vehicle-mounted is set
Standby signal, comprising:
External equipment is connected to by the network interface to receive the second standard ethernet signal；
The second standard ethernet signal is transmitted to standard interface physics transceiver, and controls institute by microprocessor
It states standard interface physics transceiver and the second standard ethernet signal is converted into the second media stand-alone interface signal；
Second media stand-alone interface signal is transmitted to vehicle-mounted interface physical transceiver, and by the microprocessor
It controls the vehicle-mounted interface physical transceiver and second media stand-alone interface signal is converted into the second mobile unit signal；
The second mobile unit signal is transmitted to the mobile unit for being connected to onboard connector.
In vehicle-mounted Ethernet conversion method of the present invention, further includes:
The clock of the standard interface physics transceiver and the vehicle-mounted interface physical transceiver is controlled by microprocessor
To adapt to the clock of the external equipment.
Therefore, the invention has the advantages that the vehicle-mounted ethernet device of compatible mainstream on the market, transplantability is strong, structure
Simply, performance is stablized, easy to operate.
Detailed description of the invention
Present invention will be further explained below with reference to the attached drawings and examples, in attached drawing:
Fig. 1 is a kind of structural schematic diagram for vehicle-mounted Ethernet conversion equipment that one embodiment of the invention provides.
Specific embodiment
For a clearer understanding of the technical characteristics, objects and effects of the present invention, will to compare attached drawing below detailed
Illustrate a specific embodiment of the invention.It should be appreciated that following explanation is only being specifically described for the embodiment of the present invention, it should not be with this
It limits the scope of the invention.
Referring to Fig. 1, Fig. 1 is a kind of structural schematic diagram for vehicle-mounted Ethernet conversion equipment that one embodiment of the invention provides,
The vehicle-mounted Ethernet conversion equipment includes the onboard connector 1 for connecting vehicular equipment, vehicle-mounted interface physical transceiver 2, mark
Quasi- interface physical transceiver 3, microprocessor 4 and network interface 5.
Vehicle-mounted interface physical transceiver 2 is connected to the onboard connector 1；Standard interface physics transceiver 3 passes through media
Stand-alone interface connection and the vehicle-mounted interface physical transceiver 2；Microprocessor 4 is connected to the vehicle-mounted interface physical transceiver 2
And the standard interface physics transceiver 3, to control the vehicle-mounted interface physical transceiver 2 and standard interface physics receipts
Send out the communication between device 3；Network interface 5 is connected to the standard interface physics transceiver 3 for connecting external equipment.
Wherein, the mobile unit includes T-BOX, ADAS, gateway and vehicle entertainment system.The external equipment includes PC
Host and embedded device.The Ethernet interface of BroadR-Reach standard has become industry mainstream in vehicle electronics industry, branch
It holds and 100M Ethernet data is transmitted using 1 twisted pair wire full duplex.This standard is adopted by IEEE (Institute of Electrical and Electric Engineers)
It receives, becomes the standard of 100Base-T1, be mainly used in Automobile Electronic Industry.Subsequent vehicle-mounted camera, navigation host, T-
BOX, ADAS system, Intelligent instrument panel, the products such as rear pillow screen can all support the vehicle-mounted Ethernet interface of this standard.In addition,
BroadR-Reach interface is not limited to vehicle electronics field, also there is outstanding application in fields such as security protection, machinery, industry, can
To substitute CAN and 485 buses in some innovation and applications.The technical problem to be solved in the present invention is that for exploitation and test
During vehicle-mounted Ethernet cannot be directly changed into traditional RJ45 interface Ethernet carry out communication issue.At present on the market
Vehicle-mounted Ethernet turn standard ethernet number of tools is limited and volume is big, price, inconvenient for operation.For these reasons
A Ultra Low Cost is developed using simple vehicle-mounted Ethernet crossover tool, creates a good debugging enironment to everybody.
The technical solution adopted by the present invention to solve the technical problems is based on vehicle-mounted ethernet physical transceiver and standard ethernet object
A vehicle-mounted Ethernet crossover tool for managing transceiver communications exploitation mainly realizes vehicle-mounted Ethernet and standard household Ethernet
It conversion and connect, it can realize the debugging of vehicle-mounted ethernet device by PC, also may be implemented that standard ethernet is embedded to be set
The standby connection with vehicle-mounted ethernet device.
On the other hand, a kind of vehicle-mounted Ethernet conversion method realized by vehicle-mounted Ethernet conversion equipment as described above,
The method comprising the steps of S1-S2:
S1, the first mobile unit signal for receiving onboard connector 1 are converted to the first media stand-alone interface signal, and
First media stand-alone interface signal is converted into the first standard ethernet signal；Step S1 includes step S11-S14:
S11, mobile unit is connected to by the onboard connector 1 to receive the first mobile unit signal；
S12, the first mobile unit signal is transmitted to vehicle-mounted interface physical transceiver 2, and is controlled by microprocessor 4
It makes the vehicle-mounted interface physical transceiver 2 and the first mobile unit signal is converted into the first media stand-alone interface signal；
S13, first media stand-alone interface signal is transmitted to standard interface physics transceiver 3, and by described micro-
Processor 4 control the standard interface physics transceiver 3 by first media stand-alone interface signal be converted to the first standard with
Too net signal；
S14, the first standard ethernet signal is transmitted to the external equipment for being connected to network interface 5.
S2, the second standard ethernet signal for receiving network interface 5 are converted to the second media stand-alone interface signal, and
Second media stand-alone interface signal is converted into the second mobile unit signal.Step S2 includes step S21-S24:
S21, external equipment is connected to by the network interface 5 to receive the second standard ethernet signal；
S22, the second standard ethernet signal is transmitted to standard interface physics transceiver 3, and by microprocessor 4
It controls the standard interface physics transceiver 3 and the second standard ethernet signal is converted into the second Media Independent Interface letter
Number；
S23, second media stand-alone interface signal is transmitted to vehicle-mounted interface physical transceiver 2, and by described micro-
Processor 4, which controls the vehicle-mounted interface physical transceiver 2 second media stand-alone interface signal is converted to second, vehicle-mounted to be set
Standby signal；
S24, the second mobile unit signal is transmitted to the mobile unit for being connected to onboard connector 1.
Preferably, which further includes step S3:
S3, the standard interface physics transceiver 3 and the vehicle-mounted interface physical transceiver 2 are controlled by microprocessor 4
Clock to adapt to the clock of the external equipment.
To sum up, vehicle-mounted ethernet device is connected by connector with vehicle-mounted ethernet physical transceiver, and it is only to be converted into media
Vertical interface signal；The generic media interface signal of generation is converted into standard ethernet letter by standard ethernet physics transceiver
Number, eventually by the output of legacy network interfaces 5 and embedded device or PC main-machine communication；Microprocessor controls vehicle-mounted Ethernet object
Manage transceiver and the communication configuration of standard ethernet physics transceiver their network interface 5.As vehicle-mounted ethernet device (T-
BOX, ADAS, vehicle entertainment system) it is connected by connector with vehicle-mounted ethernet physical transceiver, at special communication protocol
Reason generates media stand-alone interface signal.Media stand-alone interface signal is by standard ethernet physics transceiver according to auto negotiation mode
Communication generates standard ethernet.At this time vehicle-mounted Ethernet be converted into standard Ethernet can with extraneous embedded device and
PC main-machine communication.It is synchronous and logical with standard ethernet physics Transceiver Clock that microprocessor controls vehicle-mounted ethernet physical transceiver
Principal and subordinate's setting of letter is to adapt to extraneous different equipment.
In conclusion although the present invention has been disclosed above in the preferred embodiment, but above preferred embodiment is not to limit
The system present invention, those skilled in the art can make various changes and profit without departing from the spirit and scope of the present invention
Decorations, therefore protection scope of the present invention subjects to the scope of the claims.
Claims (7)
1. a kind of vehicle-mounted Ethernet conversion equipment characterized by comprising
Onboard connector for connecting vehicular equipment；
Vehicle-mounted interface physical transceiver, is connected to the onboard connector；
Standard interface physics transceiver passes through Media Independent Interface connection and the vehicle-mounted interface physical transceiver；
Microprocessor is connected to the vehicle-mounted interface physical transceiver and the standard interface physics transceiver, to control institute
State the communication between vehicle-mounted interface physical transceiver and the standard interface physics transceiver；
For connecting the network interface of external equipment, it is connected to the standard interface physics transceiver.
2. vehicle-mounted Ethernet conversion equipment according to claim 1, which is characterized in that the mobile unit include T-BOX,
ADAS and vehicle entertainment system.
3. vehicle-mounted Ethernet conversion equipment according to claim 1, which is characterized in that the external equipment includes PC host
And embedded device.
4. a kind of vehicle-mounted Ethernet conversion method passes through vehicle-mounted Ethernet conversion equipment as described in any one of claims 1-3
It realizes characterized by comprising
The first mobile unit signal that onboard connector is received is converted to the first media stand-alone interface signal, and by described
One media stand-alone interface signal is converted to the first standard ethernet signal；
The second standard ethernet signal that network interface is received is converted to the second media stand-alone interface signal, and by described
Two media stand-alone interface signals are converted to the second mobile unit signal.
5. vehicle-mounted Ethernet conversion method according to claim 4, which is characterized in that described to receive onboard connector
The first mobile unit signal be converted to the first media stand-alone interface signal, and first media stand-alone interface signal is converted
For the first standard ethernet signal, comprising:
Mobile unit is connected to by the onboard connector to receive the first mobile unit signal；
The first mobile unit signal is transmitted to vehicle-mounted interface physical transceiver, and described vehicle-mounted by microprocessor control
The first mobile unit signal is converted to the first media stand-alone interface signal by interface physical transceiver；
First media stand-alone interface signal is transmitted to standard interface physics transceiver, and is controlled by the microprocessor
First media stand-alone interface signal is converted to the first standard ethernet signal by the standard interface physics transceiver；
The first standard ethernet signal is transmitted to the external equipment for being connected to network interface.
6. vehicle-mounted Ethernet conversion method according to claim 4, which is characterized in that described to receive network interface
Second standard ethernet signal is converted to the second media stand-alone interface signal, and second media stand-alone interface signal is converted
For the second mobile unit signal, comprising:
External equipment is connected to by the network interface to receive the second standard ethernet signal；
The second standard ethernet signal is transmitted to standard interface physics transceiver, and controls the mark by microprocessor
The second standard ethernet signal is converted to the second media stand-alone interface signal by quasi- interface physical transceiver；
Second media stand-alone interface signal is transmitted to vehicle-mounted interface physical transceiver, and is controlled by the microprocessor
Second media stand-alone interface signal is converted to the second mobile unit signal by the vehicle-mounted interface physical transceiver；
The second mobile unit signal is transmitted to the mobile unit for being connected to onboard connector.
7. vehicle-mounted Ethernet conversion method according to claim 4, which is characterized in that further include:
The clock of the standard interface physics transceiver and the vehicle-mounted interface physical transceiver is controlled by microprocessor to fit
Answer the clock of the external equipment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910207602.7A CN109818978A (en) | 2019-03-19 | 2019-03-19 | A kind of vehicle-mounted Ethernet conversion equipment and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910207602.7A CN109818978A (en) | 2019-03-19 | 2019-03-19 | A kind of vehicle-mounted Ethernet conversion equipment and method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109818978A true CN109818978A (en) | 2019-05-28 |
Family
ID=66609461
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910207602.7A Pending CN109818978A (en) | 2019-03-19 | 2019-03-19 | A kind of vehicle-mounted Ethernet conversion equipment and method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109818978A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110519135A (en) * | 2019-09-04 | 2019-11-29 | 扬州莱诺汽车科技有限公司 | A kind of vehicle-mounted Ethernet data conversion equipment |
| CN111119646A (en) * | 2019-12-02 | 2020-05-08 | 惠州市德赛西威汽车电子股份有限公司 | Vehicle door monitoring system and method for automatic driving vehicle |
| CN111628874A (en) * | 2020-04-29 | 2020-09-04 | 深圳市周立功单片机有限公司 | Ethernet switching module |
| CN115277764A (en) * | 2022-07-19 | 2022-11-01 | 岚图汽车科技有限公司 | Vehicle-mounted Ethernet physical layer conversion equipment and vehicle thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2006004802A1 (en) * | 2004-06-29 | 2006-01-12 | Walker Digital, Llc | Products and processes for a membership for a customer of a vending machine |
| CN206575438U (en) * | 2017-03-07 | 2017-10-20 | 上海怿星电子科技有限公司 | A kind of vehicle-mounted ethernet test modular converter and test system based on BroadR Reach |
| CN207053524U (en) * | 2017-06-22 | 2018-02-27 | 中汽研（天津）汽车工程研究院有限公司 | A kind of device for realizing vehicle-mounted Ethernet and traditional ethernet data interaction |
-
2019
- 2019-03-19 CN CN201910207602.7A patent/CN109818978A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2006004802A1 (en) * | 2004-06-29 | 2006-01-12 | Walker Digital, Llc | Products and processes for a membership for a customer of a vending machine |
| CN206575438U (en) * | 2017-03-07 | 2017-10-20 | 上海怿星电子科技有限公司 | A kind of vehicle-mounted ethernet test modular converter and test system based on BroadR Reach |
| CN207053524U (en) * | 2017-06-22 | 2018-02-27 | 中汽研（天津）汽车工程研究院有限公司 | A kind of device for realizing vehicle-mounted Ethernet and traditional ethernet data interaction |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110519135A (en) * | 2019-09-04 | 2019-11-29 | 扬州莱诺汽车科技有限公司 | A kind of vehicle-mounted Ethernet data conversion equipment |
| CN111119646A (en) * | 2019-12-02 | 2020-05-08 | 惠州市德赛西威汽车电子股份有限公司 | Vehicle door monitoring system and method for automatic driving vehicle |
| CN111628874A (en) * | 2020-04-29 | 2020-09-04 | 深圳市周立功单片机有限公司 | Ethernet switching module |
| CN115277764A (en) * | 2022-07-19 | 2022-11-01 | 岚图汽车科技有限公司 | Vehicle-mounted Ethernet physical layer conversion equipment and vehicle thereof |
| CN115277764B (en) * | 2022-07-19 | 2023-10-31 | 岚图汽车科技有限公司 | Vehicle-mounted Ethernet physical layer conversion equipment and vehicle thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109818978A (en) | A kind of vehicle-mounted Ethernet conversion equipment and method | |
| CN103780697A (en) | Common platform system of vehicle-mounted electronic processing unit and data communication method of common platform system | |
| CN106878124A (en) | Method and vehicle control device for controlling Large Copacity deagnostic communication in vehicle | |
| CN102694309B (en) | On-board diagnostic (OBD) system adapter | |
| CN103609075A (en) | Method for data communication in a vehicle, and data communication apparatus | |
| CN106970609A (en) | The diagnostic method and vehicle diagnostics box of vehicle diagnostics box | |
| CN214311723U (en) | Vehicle-mounted intelligent TSN (traffic service network) computing unit and vehicle-mounted TSN network platform hardware architecture | |
| CN110308918A (en) | A kind of method for upgrading software and device of full liquid crystal automobile instrument | |
| KR101507562B1 (en) | Device for fitting a multimedia system in a vehicle | |
| CN111124443A (en) | Vehicle, vehicle equipment and vehicle instrument upgrading method | |
| CN115051975A (en) | ECU remote upgrading method based on vehicle-mounted Ethernet | |
| Lawrenz | Worldwide Status of CAN–Present and Future | |
| CN105739336A (en) | Device for data transmission based on power line and automobile bus realization method | |
| CN102710656A (en) | Communication protocol inverse analysis method based on automotive gateway system | |
| CN110514931B (en) | Electromagnetic compatibility test system and method for equipment with vehicle-mounted Ethernet function | |
| CN102710479B (en) | Automobile gateway system for inverse resolution of communication protocols | |
| Choi et al. | Compatibility analysis of the turbo controller area network (TURBO CAN) | |
| Perişoară et al. | Automotive Ethernet architecture for the connected Dacia Logan electric vehicle | |
| JP2002314620A (en) | Method and device for transmitting and receiving data | |
| CN104539500B (en) | A kind of external device extension method of car-mounted terminal | |
| CN110989416B (en) | Whole vehicle control system based on real-time Ethernet bus | |
| CN107925604A (en) | The electronic computer of the delivery vehicle compatible with CAN FD communication protocols | |
| CN104253727A (en) | Diagnosis method and system of vehicle LIN (local interconnect network) | |
| CN207924434U (en) | Vehicle-mounted controller system and automobile | |
| CN213094238U (en) | Automobile diagnosis equipment based on DoIP diagnosis technology |
Legal Events
| 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 |
Application publication date: 20190528 |
|
| RJ01 | Rejection of invention patent application after publication |