CN109347732A - Vehicle and its central gateway, control system - Google Patents
Vehicle and its central gateway, control system Download PDFInfo
- Publication number
- CN109347732A CN109347732A CN201811450995.6A CN201811450995A CN109347732A CN 109347732 A CN109347732 A CN 109347732A CN 201811450995 A CN201811450995 A CN 201811450995A CN 109347732 A CN109347732 A CN 109347732A
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- Prior art keywords
- transceiver
- controller
- interface
- central gateway
- crystal oscillator
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Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/66—Arrangements for connecting between networks having differing types of switching systems, e.g. gateways
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/12—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
Abstract
The invention discloses a kind of vehicle and its central gateways, control system, are related to vehicular field.The central gateway may include: circuit board, and integrated at least one ethernet transceiver, at least one controller local area network's transceiver, multiple crystal oscillators, controller and and at least one corresponding first interface of the ethernet transceiver and at least one second interface corresponding with controller local area network's transceiver on the board.Each transceiver is connect with the controller and an interface respectively.Each ethernet transceiver and the controller are connected with a corresponding crystal oscillator.Each transceiver can transmit signal between controller and interface.And there is etched-off area on the stratum of circuit board, each crystal oscillator is located in the etched-off area in the orthographic projection on the stratum.It is possible thereby to guarantee that each crystal oscillator is effectively isolated with stratum in the circuit board, so as to improve the anti-interference ability of the central gateway and the accuracy of data transmission.
Description
Technical field
The present invention relates to vehicular field, in particular to a kind of vehicle and its central gateway, control system.
Background technique
Central gateway (control gateway, CGW) in vehicle is the central node of vehicle internal data transmission.Vehicle
Electronic control unit (electronic control unit, ECU) in is connect with the CGW, is passed through between each ECU
CGW carries out data interaction.
In the related technology, be provided with controller, multiple transceivers and multiple interfaces in CGW, each transceiver respectively with
The controller and an interface connection.Each interface in multiple interface can be connect with an ECU.
But enriching with vehicle functions, the quantity for the ECU being arranged in vehicle also constantly increases, and data are transmitted
Rate is also continuously improved, and when causing to carry out data interaction by the CGW, the interference between each data is larger, and CGW transmits data
Accuracy is lower.
Summary of the invention
The embodiment of the invention provides a kind of vehicle and its central gateways, control system, can solve the CGW of the relevant technologies
Transmit the lower problem of the accuracy of data.The technical solution is as follows:
On the one hand, a kind of central gateway of vehicle is provided, the central gateway includes: circuit board, and is integrated in institute
State at least one ethernet transceiver, at least one controller local area network's transceiver, multiple crystal oscillators, control on circuit board
Device, at least one one-to-one first interface of at least one described ethernet transceiver and at least one described control
At least one one-to-one second interface of device local area network transceiver；
Each ethernet transceiver respectively with the controller, a crystal oscillator and one described first corresponding
Interface connection, the controller are connect with a crystal oscillator, and each ethernet transceiver is used to provide in the crystal oscillator
Clock signal control under, transmit signal between the controller and the first interface；
Each controller local area network's transceiver respectively with the controller and a corresponding second interface
Connection, for transmitting signal between the controller and the second interface；
The circuit board includes stratum, has etched-off area on the stratum, each crystal oscillator is on the stratum
Orthographic projection is located in the etched-off area.
Optionally, at least one described ethernet transceiver and at least one described controller local area network's transceiver
In, it is connected by differential lines between each transceiver and the controller, it is logical between each transceiver and corresponding interface
Differential lines connection is crossed, and the differential lines are serpentine.
Optionally, the central gateway further include: the multiple common mode chokes being integrated on the circuit board；
Each ethernet transceiver is connected by a common mode choke with corresponding one first interface
It connects；
Each controller local area network's transceiver passes through common mode choke and corresponding one described the
The connection of two interfaces.
Optionally, the central gateway further include: the shell of crystal oscillator on the outside of each crystal oscillator is set, outside the crystal oscillator
Shell is connect with the stratum of the circuit board.
Optionally, the spacing for the device that each crystal oscillator is connect with it less than the first spacing threshold, and with the electricity
The spacing between other active devices on the plate of road is greater than the second spacing threshold.
Optionally, the central gateway further include: shell, the circuit board and the device being integrated on the circuit board
It is arranged in the shell, the shell with the bonding of the vehicle for connecting.
Optionally, the central gateway further include: the power supply module being integrated on the circuit board；
The power supply module respectively with the controller, each ethernet transceiver and each control general ability
The connection of domain network transceivers.
On the other hand, provide a kind of control system of vehicle, the control system include: multiple electronic control units with
And the central gateway as described in terms of above-mentioned；
Each electronic control unit is connect by twisted pair with an interface of the central gateway.
Optionally, the stranding distance of the twisted pair is less than or equal to 2.5 centimetres.
Another aspect, provides a kind of vehicle, and the vehicle includes: the control system as described in terms of above-mentioned., the side
Method includes:
Technical solution bring beneficial effect provided in an embodiment of the present invention includes at least:
The embodiment of the invention provides a kind of vehicle and its central gateway, control system, which may include: electricity
Road plate, and integrated at least one ethernet transceiver on the board, at least one controller local area network's transceiver,
Multiple crystal oscillators, controller and at least one first interface corresponding with the ethernet transceiver and with the controller LAN
At least one corresponding second interface of network transceiver.Each ethernet transceiver respectively with the controller, a crystal oscillator and one
First interface connection, which connect with a crystal oscillator, each controller local area network's transceiver respectively with the controller and
One second interface connection, each transceiver can transmit signal between controller and interface.And it is set on the stratum of circuit board
It is equipped with etched-off area, each crystal oscillator is located in the etched-off area region in the orthographic projection on the stratum.It is possible thereby to guarantee each
Crystal oscillator is effectively isolated with stratum in the circuit board, avoids crystal oscillator and stratum from generating parasitic capacitance, so as to reduce to data
The interference of transmission.Simultaneously as the circuit board is laminated construction, it can effectively inhibit the electromagnetic interference (EMI) emissions in signal transmission,
Therefore the anti-interference ability of the central gateway and the accuracy of data transmission are effectively increased.
Detailed description of the invention
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment
Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for
For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings other
Attached drawing.
Fig. 1 is a kind of structural schematic diagram of the central gateway of vehicle provided in an embodiment of the present invention；
Fig. 2 is the structural schematic diagram of the central gateway of another vehicle provided in an embodiment of the present invention；
Fig. 3 is a kind of structural schematic diagram of the control system of vehicle provided in an embodiment of the present invention；
Fig. 4 is the structural schematic diagram of the control system of another vehicle provided in an embodiment of the present invention.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with attached drawing to embodiment party of the present invention
Formula is described in further detail.
Currently, vehicle interior can be set automatic Pilot unit (Autonomous driving Control Unit,
ADCU), BCM Body Control Module (body control module, BCM), chassis module, instrumentation module, entertainment modules and vehicle
Carry multiple modules such as diagnostic module (On-Board Diagnostic, OBD).These modules can pass through controller LAN
Network (controller area network, CAN) bus or industry ethernet are connect with CGW.CGW is as in entire vehicle
The central node of portion's communication, may be implemented the mutual communication of modules in vehicle.Wherein, CAN bus may include: low speed
CAN bus, high-speed CAN bus, CANFD bus.Industry ethernet includes: that kilomega network industry ethernet and 100,000,000 net Ethernets are total
Line etc..
The CGW supports the data transfer mode of a variety of buses of multichannel, it can be achieved that transregional domain-functionalities integrate, basic routing is led to
Extraction, integration, the security deployment of letter and protocol translation, interior data, and deagnostic communication service and net connection clothes can be provided
Business, so that service becomes a reality vehicle mutually.In addition, CGW can also be provided comprehensively in vehicle communication secure context for user
Security solution, hardware security module, key management, scalable service, software and hardware scheme and optional communications protocol are matched
It sets.Meanwhile the CGW also has advanced security safeguard function (such as mine dam, security key storage, packet inspection),
It can guarantee high performance communication between modules, and safety certification can be carried out to communication, to reduce the threat of malicious attack.
But in vehicle modules quantity be continuously increased, in each module high power device application and each module it
Between message transmission rate continuous improvement, for each module when carrying out data interaction by CGW, the interference between data is larger, thus
Cause the safety of CGW transmission data lower.
The embodiment of the invention provides a kind of central gateway of vehicle, it can solve CGW transmission data in the related technology
Safety is lower and the lower problem of accuracy.As shown in Figure 1, the central gateway may include: circuit board 01, and integrated
At least one ethernet transceiver 02, at least one CAN transceiver 03, multiple crystal oscillators 04, controller on the circuit board 01
05, it is received and dispatched at least one one-to-one first interface 06 of at least one ethernet transceiver 02 and at least one CAN
At least one the one-to-one second interface 07 of device 03.
Each ethernet transceiver 02 connects with 05, crystal oscillator 04 of the controller and a corresponding first interface 06 respectively
It connects, which connect with a crystal oscillator 04, and each ethernet transceiver 02 is used for the clock signal provided in the crystal oscillator 04
Control under, transmit signal between the controller 05 and the first interface 06.Crystal oscillator that is exemplary, being connect with the controller 05
04 frequency can be 8 megahertzs (MHz), and the frequency for the crystal oscillator 04 connecting with the ethernet transceiver 02 can be greater than or equal to
25MHz。
Each CAN transceiver 03 is connected with the controller 05 and a corresponding second interface 07 respectively, in the control
Signal is transmitted between device 05 processed and the second interface 07.
The circuit board 01 can be laminated construction, include one layer of stratum in the laminated construction.Have on the stratum and empties area
Domain (i.e. the partial region on the stratum is emptied), each crystal oscillator 04 are located in the etched-off area in the orthographic projection on the stratum.By
This can guarantee that each crystal oscillator 04 is effectively isolated with stratum in the circuit board 01, and crystal oscillator 04 and stratum is avoided to generate parasitic electricity
Hold, so as to reduce the interference to data transmission.Wherein, which can be rectangular area or border circular areas, sheet
Inventive embodiments to the shape of the etched-off area without limitation.
In conclusion the central gateway may include: circuit the embodiment of the invention provides a kind of central gateway of vehicle
Plate, and it is integrated at least one ethernet transceiver on the board, at least one controller local area network's transceiver, more
A crystal oscillator, controller and at least one first interface corresponding with the ethernet transceiver and with the controller local area network
At least one corresponding second interface of transceiver.Each ethernet transceiver respectively with the controller, a crystal oscillator and one
The connection of one interface, which connect with a crystal oscillator, each controller local area network's transceiver respectively with the controller and one
A second interface connection, each transceiver can transmit signal between controller and interface.And it is arranged on the stratum of circuit board
There is etched-off area, each crystal oscillator is located in the etched-off area in the orthographic projection on the stratum.It is possible thereby to guarantee each crystal oscillator with
Stratum is effectively isolated in the circuit board, and crystal oscillator and stratum is avoided to generate parasitic capacitance, so as to reduce to data transmission
Interference.Simultaneously as the circuit board is laminated construction, it can effectively inhibit the electromagnetic interference (EMI) emissions in signal transmission, therefore have
Effect improves the anti-interference ability of the central gateway and the accuracy of data transmission.
In embodiments of the present invention, the circuit board 01 can for printed circuit board (printed circuit board,
PCB), also referred to as printed circuit board.The controller 05 can be micro-control unit (micro controller unit, MCU).It should
First interface 06 can be Ethernet interface, such as can be RJ45 interface, or can be high-speed data (high speed
Data, HSD) interface.The second interface 07 can be DB9 interface, such as can be DB9F interface.Each of multiple interface
Interface can be connect with an ECU of the vehicle, and each ECU can transfer data to a transceiver by interface, be received
Hair device can transmit the data to controller, and controller can send out the data by another transceiver and another interface
Another ECU in vehicle is given, so as to realize the data interaction between multiple ECU.
As shown in Figure 1, can integrate 3 CAN transceivers, 03,3 ethernet transceivers 02 on the circuit board 01.Its
In, the model of 3 CAN transceivers can be identical, and the model of 3 ethernet transceivers 02 can be identical.
The mode that data are transmitted between each ECU and the CGW in vehicle can be different.Not according to data transfer mode
Together, each ECU can be connect by different interfaces with the CGW.It is exemplary, if ECU with the CGW is counted by Ethernet
According to transmission, then the ECU can be connect with the first interface 06 of the CGW.If the ECU with the CGW is counted by CAN bus
According to transmission, then the ECU can be connect with the second interface 07 of the CGW.
In embodiments of the present invention, when being transmitted between interface, transceiver and controller 05 due to data, transmission
Rate is higher, and there may be crosstalks in data transmission procedure.Therefore at least one ethernet transceiver 02 and at least one CAN
It in transceiver 03, can be connected by differential lines between each transceiver and controller 05, each transceiver and corresponding interface
Between can also be connected by differential lines.Wherein, which can be serpentine, and the differential lines may include two parallel
And isometric signal transmssion line.
Each transceiver is all made of differential lines and connects respectively with the controller 05 and corresponding interface, can be effectively reduced
Crosstalk in data transmission procedure, to improve the anti-interference ability of the CGW.It transmits to have on circuit board 01 due to data and prolong
When, cause each transceiver and controller 05 when receiving or sending data, two bars transmission lines in the differential lines
The timing of the data-signal transmitted is inconsistent, receives or send data so as to cause each transceiver and controller 05
Accuracy is lower.And by setting serpentine for the differential lines, can make each transceiver and controller 05 receive or
When person sends data, the timing for the data-signal that two bars transmission lines in the differential lines are transmitted is consistent, so as to
The accuracy of data is received or sent to improve controller 05 and transceiver.
Optionally, via hole can be set on the circuit board 01, the differential lines positioned at a certain layer can exist by the via hole
Another layer of cabling.It should be noted that setting via hole that should be as few as possible on circuit board 01, to reduce posting for differential lines generation
Raw capacitor and parasitic inductance.
Fig. 2 is the structural schematic diagram of the central gateway of another vehicle provided in an embodiment of the present invention.Referring to fig. 2, the CGW
It can also include: the multiple common mode chokes 08 being integrated on the circuit board 01.Each ethernet transceiver 02 can pass through one
A common mode choke 08 is connected with a corresponding first interface 06.Each CAN transceiver 03 can pass through a common mode chokes
Circle 08 is connected with a corresponding second interface 07.Exemplary, which can be ferrimagnetism common mode choke.
Wherein, which refers to two coils being wrapped on the same iron core, the number of turns of two coils
Identical, phase is identical, around to opposite.Common mode letter when data are transmitted between the interface and the transceiver, in the data
Number and difference mode signal pass through the common mode choke 08 transmission simultaneously, common-mode signal can produce in two coils of the common mode choke
Raw common mode interference, the intensity of the common mode interference is identical, but contrary, so can cancel out each other, therefore the common mode choke
08 can inhibit common-mode signal, and difference mode signal is allowed to pass through, and generate on the circuit board 01 when so as to reduce data transmission
Common mode interference, the accuracy of improve data transfer.The size of the common mode choke is small, structure is simple and cost is relatively low.
Optionally, which can also include: the shell of crystal oscillator (not shown) that each 04 outside of crystal oscillator is arranged in, should
Shell of crystal oscillator can be connect with the stratum of the circuit board 01, to improve the anti-interference ability of the crystal oscillator 04.It is exemplary, the crystal oscillator 04
Shell can be made of metal material, such as can be made of copper-tin alloy.
In embodiments of the present invention, each device being integrated on the circuit board 01 can be welded on the circuit board 01
On.The spacing of each crystal oscillator 04 device connected to it can be less than the first spacing threshold, i.e., each crystal oscillator 04 is connected to it
Spacing between device is answered as small as possible.It needs to guarantee the device connected to it of crystal oscillator 04 being welded on circuit board 01 simultaneously
In the process, the pin of the device will not block mutually with 04 pin of crystal oscillator being correspondingly connected with.
Each crystal oscillator 04 is also needed far from other active devices on the circuit board 01, each crystal oscillator 04 and other active devices
Spacing between part can be greater than the second spacing threshold, interfere to avoid the crystal oscillator 04 to the active device, to influence
The normal work of the active device.Wherein, other active devices can refer on circuit board except the device connecting with the crystal oscillator 04
Except active device.Exemplary, which can be 5 millimeters (mm).
Optionally, which may include forbidding wiring layer, and each crystal oscillator 04, which can be set, forbids cloth at this at this
In region where line layer.
Referring to fig. 2, which can also include: the power supply module 09 being integrated on the circuit board 01.The power supply module 09 divides
It is not connect with controller 05, each ethernet transceiver 02 and each CAN transceiver 03 on the circuit board 01, can be should
Controller 05, each ethernet transceiver 02 and each CAN transceiver 03 are powered, to guarantee the controller 05, each ether
Net transceiver 02 and each CAN transceiver 03 can work.
It is exemplary, it is provided with power interface on the CGW, which can pass through the power interface and power supply electricity
Source connection.The power supply can be the battery being arranged independently of the CGW.
In embodiments of the present invention, which can also include: shell (not shown).The circuit board 01 and integrated
Device can be set in the shell on the circuit board 01, and the shell with the bonding of the vehicle for connecting.It is exemplary, it should
Shell can be made of metal material.
In embodiments of the present invention, due to being provided with shell, which has function of shielding, therefore can reduce data biography
The CGW is to extraneous electromagnetic interference (electro magnetic interference, EMI) in defeated process, while can mention
The electromagnetic immunity (electro magnetic susceptibility, EMS) of the height CGW, wherein the EMS can refer to CGW
Resist the ability of outside electromagnetic interference.In addition, the area of the bonding of the vehicle is larger, which connect with bonding, can be improved
The rate of heat dissipation of the CGW.
In conclusion the central gateway may include: circuit the embodiment of the invention provides a kind of central gateway of vehicle
Plate, and it is integrated at least one ethernet transceiver on the board, at least one controller local area network's transceiver, more
A crystal oscillator, controller and at least one first interface corresponding with the ethernet transceiver and with the controller local area network
At least one corresponding second interface of transceiver.Each ethernet transceiver respectively with the controller, a crystal oscillator and one
The connection of one interface, which connect with a crystal oscillator, each controller local area network's transceiver respectively with the controller and one
A second interface connection, each transceiver can transmit signal between controller and interface.And it is arranged on the stratum of circuit board
There is etched-off area, each crystal oscillator is located in the etched-off area in the orthographic projection on the stratum.It is possible thereby to guarantee each crystal oscillator with
Stratum is effectively isolated in the circuit board, and crystal oscillator and stratum is avoided to generate parasitic capacitance, so as to reduce to data transmission
Interference.Simultaneously as the circuit board is laminated construction, it can effectively inhibit the electromagnetic interference (EMI) emissions in signal transmission, therefore have
Effect improves the anti-interference ability of the central gateway and the accuracy of data transmission.
Fig. 3 is a kind of structural schematic diagram of the control system of vehicle provided in an embodiment of the present invention.Referring to Fig. 3, the control
System may include: multiple ECU 10 and CGW 00 as shown in Figure 1 or 2.
Each ECU 10 can be connect by twisted pair 11 with an interface of the CGW 00, and can be incited somebody to action by the interface
Data are sent to the controller 05 of the CGW 00.
In embodiments of the present invention, which can be closely wound counterclockwise, and the strand of the twisted pair 11
Away from 2.5 centimetres (cm) can be less than or equal to, so as to ensure the attenuation ratio of the twisted pair 11 up to 141:1, and then effectively
The anti-interference ability for improving the control system.
Fig. 4 is the structural schematic diagram of the control system of another vehicle provided in an embodiment of the present invention.As shown in figure 4, every
A ECU 10 may include interface 12 and transceiver 13, and can pass through common mode chokes between the interface 12 and the transceiver 13
Circle connection, the interface 12 of the ECU 10 are connect with an interface of the CGW 00.If passing through Ethernet between the ECU and CGW 00
Data are transmitted, then the interface 12 of the ECU 10 can be Ethernet interface, such as can be RJ45 interface, and the interface 12 can be with
It is connect with the first interface 06 of the CGW 00.It, should if transmitting data by CAN bus between some ECU 10 and the CGW 00
The interface of ECU 10 can be DB9 interface, such as can be DB9F interface, then the interface of the ECU 10 can be with the CGW's 00
Second interface 07 connects.
The embodiment of the invention also provides a kind of vehicle, which may include: control system as shown in Figure 3.Wherein,
The vehicle can be intelligent vehicle.The intelligent vehicle is also referred to as wheeled mobile robot, relies primarily on interior intelligent driving controller
To realize intelligent traveling.
The foregoing is merely exemplary embodiment of the present invention, are not intended to limit the invention, all in spirit of the invention
Within principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of central gateway of vehicle, which is characterized in that the central gateway includes: circuit board, and is integrated in the electricity
At least one ethernet transceiver, at least one controller local area network's transceiver, multiple crystal oscillators, controller on the plate of road, with
At least one one-to-one first interface of at least one described ethernet transceiver and at least one described control general ability
At least one one-to-one second interface of domain network transceivers；
Each ethernet transceiver respectively with the controller, a crystal oscillator and a corresponding first interface
Connection, the controller are connect with a crystal oscillator, and each ethernet transceiver is used for when the crystal oscillator provides
Under the control of clock signal, signal is transmitted between the controller and the first interface；
Each controller local area network's transceiver is connected with the controller and a corresponding second interface respectively,
For transmitting signal between the controller and the second interface；
The circuit board includes stratum, has etched-off area, positive throwing of each crystal oscillator on the stratum on the stratum
Shadow is located in the etched-off area.
2. central gateway according to claim 1, which is characterized in that
In at least one described ethernet transceiver and at least one described controller local area network's transceiver, each transceiver
It is connect by differential lines between the controller, is connected by differential lines between each transceiver and corresponding interface,
And the differential lines are serpentine.
3. central gateway according to claim 1, which is characterized in that the central gateway further include: be integrated in the electricity
Multiple common mode chokes on the plate of road；
Each ethernet transceiver is connected by a common mode choke with corresponding one first interface；
Each controller local area network's transceiver is connect by a common mode choke with corresponding one described second
Mouth connection.
4. central gateway according to any one of claims 1 to 3, which is characterized in that the central gateway further include: setting exists
Shell of crystal oscillator on the outside of each crystal oscillator, the shell of crystal oscillator are connect with the stratum of the circuit board.
5. central gateway according to any one of claims 1 to 3, which is characterized in that each crystal oscillator was connect with it
The spacing of device is less than the first spacing threshold, and the spacing between other active devices on the circuit board is greater than between second
Away from threshold value.
6. central gateway according to any one of claims 1 to 3, which is characterized in that the central gateway further include: shell,
The circuit board and the device being integrated on the circuit board are arranged in the shell, and the shell is used for and the vehicle
Bonding connection.
7. central gateway according to any one of claims 1 to 3, which is characterized in that the central gateway further include: be integrated in
Power supply module on the circuit board；
The power supply module respectively with the controller, each ethernet transceiver and each controller LAN
The connection of network transceiver.
8. a kind of control system of vehicle, which is characterized in that the control system includes: multiple electronic control units and such as weighs
Benefit requires 1 to 7 any central gateway；
Each electronic control unit is connect by twisted pair with an interface of the central gateway.
9. control system according to claim 8, which is characterized in that the stranding distance of the twisted pair is less than or equal to 2.5 lis
Rice.
10. a kind of vehicle, which is characterized in that the vehicle includes: control system as claimed in claim 8 or 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811450995.6A CN109347732B (en) | 2018-11-30 | 2018-11-30 | Vehicle and central gateway and control system thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811450995.6A CN109347732B (en) | 2018-11-30 | 2018-11-30 | Vehicle and central gateway and control system thereof |
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| Publication Number | Publication Date |
|---|---|
| CN109347732A true CN109347732A (en) | 2019-02-15 |
| CN109347732B CN109347732B (en) | 2020-11-10 |
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| CN201811450995.6A Active CN109347732B (en) | 2018-11-30 | 2018-11-30 | Vehicle and central gateway and control system thereof |
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| CN (1) | CN109347732B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112977091A (en) * | 2021-03-18 | 2021-06-18 | 奇瑞新能源汽车股份有限公司 | Whole-vehicle-area control module and control method of electric vehicle and vehicle |
| CN114501796A (en) * | 2022-01-12 | 2022-05-13 | 中国第一汽车股份有限公司 | Vehicle-mounted gateway printed circuit board |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004122993A (en) * | 2002-10-03 | 2004-04-22 | Sumitomo Electric Ind Ltd | Onboard equipment connection system |
| CN1804574A (en) * | 2006-01-19 | 2006-07-19 | 湖南大学 | Method and apparatus for measuring running performance parameters of hybrid electric vehicle |
| CN201436594U (en) * | 2009-06-16 | 2010-04-07 | 上海海事大学 | Electronic meteorlolgical station |
| US8774262B2 (en) * | 2005-01-04 | 2014-07-08 | Vitesse Semiconductor Corporation | Adaptive equalization with group delay |
| CN105530178A (en) * | 2014-10-24 | 2016-04-27 | 中车大连电力牵引研发中心有限公司 | Vehicular gateway device |
| 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 |
| US20180232959A1 (en) * | 2017-02-15 | 2018-08-16 | Ford Global Technologies, Llc | Enhanced central gateway for vehicle networking |
-
2018
- 2018-11-30 CN CN201811450995.6A patent/CN109347732B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004122993A (en) * | 2002-10-03 | 2004-04-22 | Sumitomo Electric Ind Ltd | Onboard equipment connection system |
| US8774262B2 (en) * | 2005-01-04 | 2014-07-08 | Vitesse Semiconductor Corporation | Adaptive equalization with group delay |
| CN1804574A (en) * | 2006-01-19 | 2006-07-19 | 湖南大学 | Method and apparatus for measuring running performance parameters of hybrid electric vehicle |
| CN201436594U (en) * | 2009-06-16 | 2010-04-07 | 上海海事大学 | Electronic meteorlolgical station |
| CN105530178A (en) * | 2014-10-24 | 2016-04-27 | 中车大连电力牵引研发中心有限公司 | Vehicular gateway device |
| US20180232959A1 (en) * | 2017-02-15 | 2018-08-16 | Ford Global Technologies, Llc | Enhanced central gateway for vehicle networking |
| 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 |
Non-Patent Citations (1)
| Title |
|---|
| 终南小师傅: "贴片晶振邻层挖空背后的原理", 《知乎》 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112977091A (en) * | 2021-03-18 | 2021-06-18 | 奇瑞新能源汽车股份有限公司 | Whole-vehicle-area control module and control method of electric vehicle and vehicle |
| CN114501796A (en) * | 2022-01-12 | 2022-05-13 | 中国第一汽车股份有限公司 | Vehicle-mounted gateway printed circuit board |
| WO2023134415A1 (en) * | 2022-01-12 | 2023-07-20 | 中国第一汽车股份有限公司 | Vehicle-mounted gateway printed circuit board |
| CN114501796B (en) * | 2022-01-12 | 2024-05-03 | 中国第一汽车股份有限公司 | Vehicle-mounted gateway printed circuit board |
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| CN109347732B (en) | 2020-11-10 |
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