CN105083169A - Communication frame of electric automobile controller and electric automobile controller - Google Patents
Communication frame of electric automobile controller and electric automobile controller Download PDFInfo
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- CN105083169A CN105083169A CN201510443676.2A CN201510443676A CN105083169A CN 105083169 A CN105083169 A CN 105083169A CN 201510443676 A CN201510443676 A CN 201510443676A CN 105083169 A CN105083169 A CN 105083169A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
- B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
- B60R16/023—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements for transmission of signals between vehicle parts or subsystems
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/02—Network architectures or network communication protocols for network security for separating internal from external traffic, e.g. firewalls
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/02—Network architectures or network communication protocols for network security for separating internal from external traffic, e.g. firewalls
- H04L63/0227—Filtering policies
- H04L63/0245—Filtering by information in the payload
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
- H04L69/30—Definitions, standards or architectural aspects of layered protocol stacks
- H04L69/32—Architecture of open systems interconnection [OSI] 7-layer type protocol stacks, e.g. the interfaces between the data link level and the physical level
- H04L69/322—Intralayer communication protocols among peer entities or protocol data unit [PDU] definitions
- H04L69/326—Intralayer communication protocols among peer entities or protocol data unit [PDU] definitions in the transport layer [OSI layer 4]
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Abstract
The invention discloses a communication frame of an electric automobile controller and the electric automobile controller. A gateway controller monitors and reads data of a power control module through a first CAN bus, a body control module and the gateway controller carry out bidirectional data transmission through a second CAN bus, and an entertainment multimedia module and the gateway controller carry out bidirectional data transmission through a TCP/IP network communication bus. According to the scheme, the gateway controller is added into the communication frame of the electric automobile controller, so that the gateway controller has the function of a firewall, underlying data are protected in the networking process of an electric automobile, data filtering and screening are achieved, and the safety and stability of an automobile electronic system are guaranteed. In addition, the TCP/IP network communication bus is added, and a protocol for transmitting complex data is added.
Description
Technical field
The present invention relates to the communications field, particularly relate to a kind of communication construction and electric vehicle controller of electric vehicle controller.
Background technology
Along with people are to the pay attention to day by day of environmental problem, increasing electronlmobil appears in the life of people.The communication construction of automobile controller is very important component part in vehicle electronics.
At present, the architectures of communication networks of electric vehicle controller design fairly simple, is confined to the topological structure of CAN and LIN bus, usually to realize simple data communication.
But, the architectures of communication networks of above-mentioned controller is adopted to be to realize comparatively complicated data communication, and, the comparatively general CAN of bidirectional transmission and LIN bus is adopted to carry out data transmission, be the safety that can not ensure data in data transmission procedure, this reduces the safety and stability of automobile electronic system.
Summary of the invention
In view of this, the invention provides a kind of communication construction and electric vehicle controller of electric vehicle controller, to solve owing to can not realize comparatively complicated data communication in prior art, and can not ensure the problem of the safety of data in data transmission procedure, its concrete scheme is as follows:
A kind of communication construction of electric vehicle controller, comprise: gateway controller, amusement multi-media module, for providing the power train control module of power control for described electronlmobil, and for providing the Body control module of Body Control for described electronlmobil, wherein:
Described gateway controller is monitored by the first CAN and is read the data of described power train control module;
Described Body control module carries out bidirectional data transfers by the second CAN and described gateway controller;
Described amusement multi-media module carries out bidirectional data transfers by TCP/IP network communication bus and described gateway controller.
Further, also comprise: EtherCAT ethernet automatic control module, wherein:
Described gateway controller is monitored by EtherCAT high-speed bus and is read the data of EtherCAT control module.
Further, described amusement multi-media module carries out bidirectional data transfers by TCP/IP network communication bus and described gateway controller, is specially:
Described amusement multi-media module carries out bidirectional data transfers by ModbusTCP bus and described gateway controller.
Further, described Body control module comprises: data storage cell, vehicle body control unit and combination instrument control unit, wherein:
Described data storage cell, vehicle body control unit and combination instrument control unit carry out bidirectional data transfers respectively by the second CAN and described gateway controller.
Further, also comprise: described combination instrument control unit carries out bidirectional data transfers by TCP/IP bus and described amusement multi-media module.
A kind of electric vehicle controller, comprising: communication construction, described communication construction comprises: gateway controller, amusement multi-media module, for providing the power train control module of power control for described electronlmobil, and for providing the Body control module of Body Control for described electronlmobil, wherein:
Described gateway controller is monitored by the first CAN and is read the data of described power train control module;
Described Body control module carries out bidirectional data transfers by the second CAN and described gateway controller;
Described amusement multi-media module carries out bidirectional data transfers by TCP/IP network communication bus and described gateway controller.
Further, described communication construction also comprises: EtherCAT ethernet automatic control module, wherein:
Described gateway controller is monitored by EtherCAT high-speed bus and is read the data of EtherCAT control module.
Further, described amusement multi-media module carries out bidirectional data transfers by TCP/IP network communication bus and described gateway controller, is specially:
Described amusement multi-media module carries out bidirectional data transfers by ModbusTCP bus and described gateway controller.
Further, described Body control module comprises: data storage cell, vehicle body control unit and combination instrument control unit, wherein:
Described data storage cell, vehicle body control unit and combination instrument control unit carry out bidirectional data transfers respectively by the second CAN and described gateway controller.
Further, described communication construction also comprises: described combination instrument control unit carries out bidirectional data transfers by TCP/IP bus and described amusement multi-media module.
As can be seen from technique scheme, the communication construction of electric vehicle controller disclosed in the present application and electric vehicle controller, wherein, gateway controller is monitored by the first CAN and is read the data of power train control module, Body control module carries out bidirectional data transfers by the second CAN and gateway controller, and amusement multi-media module carries out bidirectional data transfers by TCP/IP network communication bus and gateway controller.This programme by increasing gateway controller in the communication construction of electric vehicle controller; gateway controller is made to have firewall functionality; electronlmobil is protected bottom data in the process of networking; achieve filtration and the screening of data; ensure that the safety and stability of automobile electronic system; in addition, also add TCP/IP network communication bus, add the agreement transmitting comparatively complex data.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
The structural representation of Fig. 1 a kind of communication construction of electric vehicle controller disclosed in the embodiment of the present invention;
The structural representation of Fig. 2 a kind of communication construction of electric vehicle controller disclosed in the embodiment of the present invention;
The structural representation of Fig. 3 a kind of communication construction of electric vehicle controller disclosed in the embodiment of the present invention.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
The invention discloses a kind of communication construction of electric vehicle controller, its structural representation as shown in Figure 1, comprising:
Gateway controller 11, amusement multi-media module 12, power train control module 13, Body control module 14.
Wherein, power train control module 13 for providing power control for electronlmobil, and generates power control instruction; Body control module 14 is for providing Body Control for electronlmobil.
Gateway controller is monitored and the data reading power train control module, and connect onboard system, be mainly used in realizing the related data that onboard system obtains power plant module, as brake, throttle, battery turn to, the data such as charging so that user understands the hardware state of vehicle at any time; Because above-mentioned power controller relates to vehicle and travels and safety, need user's active operation to control above-mentioned power CCU, and gateway is only monitor the data reading it and produce, the data transfer direction therefore produced is unidirectional;
Gateway controller and Body control module bidirectional data transfers, mainly realize the control of operating system to car body controller, gauge panel etc., as user directly can to control the realization of the functions such as door contact interrupter, atmosphere lamp style, seat position, wiper switch, back mirror lamp, air-conditioning by operating system.It can either receive operating system for the above-mentioned operating order enumerating equipment, again can read and monitor above-mentioned enumerate equipment generation action after corresponding data and be transferred to operating system, namely its communication is intercommunication.
Gateway controller 11 is monitored by the first CAN and is read the data of power train control module 13.
Wherein, power train control module 13 can comprise: power plant module, energy module, and charging module and brake stable module etc., as long as the controller belonging to above classification all can according to data communication content carry in the first CAN.
Power train control module 13 can specifically comprise: motor controller, entire car controller, battery management unit power steering unit, senior driving auxiliary unit, direct supply, battery charger controller, braking anti-lock unit, body electronics stabilization element etc., wherein, the controller that in power train control module 13, reality specifically comprises and unit adjust according to the controller of different electronlmobils, as: the electronlmobil had does not have onboard charger, then do not comprise onboard charger controller in power train control module 13.
Because power train control module 13 comprises multiple power or energy datum, therefore, data in power train control module 13 are one-way transmitted to gateway controller 11, data after gateway controller 11 carries out protocol conversion then can not transfer to power train control module 13, to improve the safety of data.
Body control module 14 carries out bidirectional data transfers by the second CAN and gateway controller 11.
The controller that traveling comfort function is mainly provided that Body control module 14 inside comprises, as: vehicle body control unit, combination instrument control unit etc., therefore, gateway controller 11 for bidirectional transmission, namely can be carried out the data transmission after protocol conversion to Body control module 14 by the second CAN by the second CAN for transmitting data in Body control module 14.
Amusement multi-media module 12 carries out bidirectional data transfers by TCP/IP network communication bus and gateway controller 11.
Amusement multi-media module 12 mainly comprises: bluetooth unit, navigation elements, 3G communication unit, audio-visual control unit, voice system, man-machine interface, entity key unit etc., be mainly used in the amusement and recreation of user, therefore, amusement multi-media module 12 can by carrying out bidirectional data transfers between TCP/IP network communication bus and gateway controller 11.
Wherein, amusement multi-media module 12 carries out bidirectional data transfers by TCP/IP network communication bus and gateway controller 11, can be specially: amusement multi-media module 12 carries out bidirectional data transfers by ModbusTCP bus and gateway controller 11, be used for transmitting larger data volume, to avoid data redundancy.Wherein, TCP/IP belongs to Ethernet protocol, and ModbusTCP agreement refers to the Ethernet protocol transmitted on Modbus.
Gateway controller 11 is for the data that receive amusement multi-media module 12, power train control module 13 and Body control module 14 and send or instruction, and be sent to the module of specifying after protocol conversion is carried out to the data received or instruction, to carry out unified management to the data in electric vehicle controller, and ensure that the safety of data in electric vehicle controller as fender wall.
In the communication construction of electric vehicle controller disclosed in the present embodiment, gateway controller is monitored by the first CAN and is read the data of power train control module, Body control module carries out bidirectional data transfers by the second CAN and gateway controller, and amusement multi-media module carries out bidirectional data transfers by TCP/IP network communication bus and gateway controller.This programme by increasing gateway controller in the communication construction of electric vehicle controller; gateway controller is made to have firewall functionality; electronlmobil is protected bottom data in the process of networking; achieve filtration and the screening of data; ensure that the safety and stability of automobile electronic system; in addition, also add TCP/IP network communication bus, add the agreement transmitting comparatively complex data.
Present embodiment discloses a kind of communication construction of electric vehicle controller, its structural representation as shown in Figure 2, comprising:
Gateway controller 21, amusement multi-media module 22, power train control module 23, Body control module 24 and EtherCAT control module 25.
Gateway controller is monitored and the data reading power train control module, and connect onboard system, be mainly used in realizing the related data that onboard system obtains power plant module, as brake, throttle, battery turn to, the data such as charging so that user understands the hardware state of vehicle at any time; Because above-mentioned power controller relates to vehicle and travels and safety, need user's active operation to control above-mentioned power CCU, and gateway is only monitor the data reading it and produce, the data transfer direction therefore produced is unidirectional;
Gateway controller and Body control module bidirectional data transfers, mainly realize the control of operating system to car body controller, gauge panel etc., as user directly can to control the realization of the functions such as door contact interrupter, atmosphere lamp style, seat position, wiper switch, back mirror lamp, air-conditioning by operating system.It can either receive operating system for the above-mentioned operating order enumerating equipment, again can read and monitor above-mentioned enumerate equipment generation action after corresponding data and be transferred to operating system, namely its communication is intercommunication.
EtherCAT is identical with the relation of power controller and gateway controller with the relation of gateway controller, and the controller that just EtherCAT connects is mainly the very high controller of real-time and function, as safety air bag.
Wherein, power train control module 23 is for providing power control for electronlmobil, and Body control module 24 is for providing Body Control for electronlmobil.
Gateway controller 21 is monitored by the first CAN and is read the data of power train control module 23.
Wherein, power train control module 23 can comprise: power plant module, energy module, and charging module and brake stable module etc., as long as the controller belonging to above classification all can according to data communication content carry in the first CAN.
Power train control module 23 can specifically comprise: motor controller, entire car controller, battery management unit power steering unit, senior driving auxiliary unit, direct supply, battery charger controller, braking anti-lock unit, body electronics stabilization element etc., wherein, the controller that in power train control module 23, reality specifically comprises and unit adjust according to the controller of different electronlmobils, as: the electronlmobil had does not have onboard charger, then do not comprise onboard charger controller in power train control module 23.
Because power train control module 23 comprises multiple power or energy datum, therefore, data in power train control module 23 are one-way transmitted to gateway controller 21, data after gateway controller 21 carries out protocol conversion then can not transfer to power train control module 23, to improve the safety of data.
Body control module 24 carries out bidirectional data transfers by the second CAN and gateway controller 21.
The controller that traveling comfort function is mainly provided that Body control module 24 inside comprises, as: vehicle body control unit, combination instrument control unit etc., therefore, gateway controller 21 for bidirectional transmission, namely can be carried out the data transmission after protocol conversion to Body control module 24 by the second CAN by the second CAN for transmitting data in Body control module 24.
Amusement multi-media module 22 carries out bidirectional data transfers by TCP/IP network communication bus and gateway controller 21.
Amusement multi-media module 22 mainly comprises: bluetooth unit, navigation elements, 3G communication unit, audio-visual control unit, voice system, man-machine interface, entity key unit etc., be mainly used in the amusement and recreation of user, therefore, amusement multi-media module 22 can by carrying out bidirectional data transfers between TCP/IP network communication bus and gateway controller 21.
Wherein, amusement multi-media module 22 carries out bidirectional data transfers by TCP/IP network communication bus and gateway controller 21, can be specially: amusement multi-media module 22 carries out bidirectional data transfers, to avoid data redundancy by ModbusTCP bus and gateway controller 21.Wherein, TCP/IP belongs to Ethernet protocol, and ModbusTCP agreement refers to the Ethernet protocol transmitted on Modbus.
EtherCAT control module 25 refers to ethernet automatic control module, wherein, gateway controller 21 is monitored by EtherCAT high-speed bus and is read the data of EtherCAT control module, be used for transmitting the data of the higher active safety of requirement of real-time and passive security, to improve the safety of data.
In the communication construction of electric vehicle controller disclosed in the present embodiment, gateway controller is monitored by the first CAN and is read the data of power train control module, Body control module carries out bidirectional data transfers by the second CAN and gateway controller, and amusement multi-media module carries out bidirectional data transfers by TCP/IP network communication bus and gateway controller.This programme by increasing gateway controller in the communication construction of electric vehicle controller; gateway controller is made to have firewall functionality; electronlmobil is protected bottom data in the process of networking; achieve filtration and the screening of data; ensure that the safety and stability of automobile electronic system; in addition, also add TCP/IP network communication bus, add the agreement transmitting comparatively complex data.
Present embodiment discloses a kind of communication construction of electric vehicle controller, its structural representation as shown in Figure 3, comprising:
Gateway controller 31, amusement multi-media module 32, power train control module 33, Body control module 34.
Wherein, power train control module 33 is for providing power control for electronlmobil, and Body control module 34 is for providing Body Control for electronlmobil.
Gateway controller 31 is monitored by the first CAN and is read the data of power train control module 33.
Wherein, power train control module 33 can comprise: power plant module, energy module, and charging module and brake stable module etc., as long as the controller belonging to above classification all can according to data communication content carry in the first CAN.
Power train control module 33 can specifically comprise: motor controller, entire car controller, battery management unit power steering unit, senior driving auxiliary unit, direct supply, battery charger controller, braking anti-lock unit, body electronics stabilization element etc., wherein, the controller that in power train control module 33, reality specifically comprises and unit adjust according to the controller of different electronlmobils, as: the electronlmobil had does not have onboard charger, then do not comprise onboard charger controller in power train control module 33.
Because power train control module 33 comprises multiple power or energy datum, therefore, data in power train control module 33 are one-way transmitted to gateway controller 31, data after gateway controller 31 carries out protocol conversion then can not transfer to power train control module 33, to improve the safety of data.
Body control module 34 carries out bidirectional data transfers by the second CAN and gateway controller 31.
The controller that traveling comfort function is mainly provided that Body control module 34 inside comprises, as: data storage cell 341, vehicle body control unit 342, combination instrument control unit 343, therefore, gateway controller 31 for bidirectional transmission, namely can be carried out the data transmission after protocol conversion to Body control module 34 by the second CAN by the second CAN for transmitting data in Body control module 34.
Amusement multi-media module 32 carries out bidirectional data transfers by TCP/IP network communication bus and gateway controller 31.
Amusement multi-media module 32 mainly comprises: bluetooth unit, navigation elements, 3G communication unit, audio-visual control unit, voice system, man-machine interface, entity key unit etc., be mainly used in the amusement and recreation of user, therefore, amusement multi-media module 32 can by carrying out bidirectional data transfers between TCP/IP network communication bus and gateway controller 31.
Wherein, amusement multi-media module 32 carries out bidirectional data transfers by TCP/IP network communication bus and gateway controller 31, can be specially: amusement multi-media module 32 carries out bidirectional data transfers by ModbusTCP bus and gateway controller 31, be used for transmitting larger data volume, to avoid data redundancy.Wherein, TCP/IP belongs to Ethernet protocol, and ModbusTCP agreement refers to the Ethernet protocol transmitted on Modbus.
In addition, amusement multi-media module 32 carries out bidirectional data transfers by the combination instrument control unit 343 in TCP/IP bus and Body control module 34.
So, communication link between amusement multi-media module 32 and combination instrument control unit 343 has two, wherein one is the TCP/IP bus between amusement multi-media module 32 and combination instrument control unit 343, another is the ModbusTCP bus between amusement multi-media module 32 and gateway controller 31, and the second CAN between gateway controller 31 and combination instrument control unit 343.Two communication links are had to be to be divide for main based on the stability of data communication or with the data volume of communication data according to concrete data between amusement multi-media module 32 and combination instrument control unit 343, and, the redundancy check of data can be carried out at amusement multi-media module 32, better realize the functions such as the networking of electronlmobil.
In the communication construction of electric vehicle controller disclosed in the present embodiment, gateway controller is monitored by the first CAN and is read the data of power train control module, Body control module carries out bidirectional data transfers by the second CAN and gateway controller, and amusement multi-media module carries out bidirectional data transfers by TCP/IP network communication bus and gateway controller.This programme by increasing gateway controller in the communication construction of electric vehicle controller; gateway controller is made to have firewall functionality; electronlmobil is protected bottom data in the process of networking; achieve filtration and the screening of data; ensure that the safety and stability of automobile electronic system; in addition, also add TCP/IP network communication bus, add the agreement transmitting comparatively complex data.
Present embodiment discloses a kind of electric vehicle controller, electric vehicle controller comprises communication construction, and wherein, the structural representation of communication construction as shown in Figure 1, comprising:
Gateway controller 11, amusement multi-media module 12, power train control module 13, Body control module 14.
Gateway controller is monitored and the data reading power train control module, and connect onboard system, be mainly used in realizing the related data that onboard system obtains power plant module, as brake, throttle, battery turn to, the data such as charging so that user understands the hardware state of vehicle at any time; Because above-mentioned power controller relates to vehicle and travels and safety, need user's active operation to control above-mentioned power CCU, and gateway is only monitor the data reading it and produce, the data transfer direction therefore produced is unidirectional;
Gateway controller and Body control module bidirectional data transfers, mainly realize the control of operating system to car body controller, gauge panel etc., as user directly can to control the realization of the functions such as door contact interrupter, atmosphere lamp style, seat position, wiper switch, back mirror lamp, air-conditioning by operating system.It can either receive operating system for the above-mentioned operating order enumerating equipment, again can read and monitor above-mentioned enumerate equipment generation action after corresponding data and be transferred to operating system, namely its communication is intercommunication.
Wherein, power train control module 13 is for providing power control for electronlmobil, and Body control module 14 is for providing Body Control for electronlmobil.
Gateway controller 11 is monitored by the first CAN and is read the data of power train control module 13.
Wherein, power train control module 13 can comprise: power plant module, energy module, and charging module and brake stable module etc., as long as the controller belonging to above classification all can according to data communication content carry in the first CAN.
Power train control module 13 can specifically comprise: motor controller, entire car controller, battery management unit power steering unit, senior driving auxiliary unit, direct supply, battery charger controller, braking anti-lock unit, body electronics stabilization element etc., wherein, the controller that in power train control module 13, reality specifically comprises and unit adjust according to the controller of different electronlmobils, as: the electronlmobil had does not have onboard charger, then do not comprise onboard charger controller in power train control module 13.
Because power train control module 13 comprises multiple power or energy datum, therefore, data in power train control module 13 are one-way transmitted to gateway controller 11, data after gateway controller 11 carries out protocol conversion then can not transfer to power train control module 13, to improve the safety of data.
Body control module 14 carries out bidirectional data transfers by the second CAN and gateway controller 11.
The controller that traveling comfort function is mainly provided that Body control module 14 inside comprises, as: vehicle body control unit, combination instrument control unit etc., therefore, gateway controller 11 for bidirectional transmission, namely can be carried out the data transmission after protocol conversion to Body control module 14 by the second CAN by the second CAN for transmitting data in Body control module 14.
Amusement multi-media module 12 carries out bidirectional data transfers by TCP/IP network communication bus and gateway controller 11.
Amusement multi-media module 12 mainly comprises: bluetooth unit, navigation elements, 3G communication unit, audio-visual control unit, voice system, man-machine interface, entity key unit etc., be mainly used in the amusement and recreation of user, therefore, amusement multi-media module 12 can by carrying out bidirectional data transfers between TCP/IP network communication bus and gateway controller 11.
Wherein, amusement multi-media module 12 carries out bidirectional data transfers by TCP/IP network communication bus and gateway controller 11, can be specially: amusement multi-media module 12 carries out bidirectional data transfers by ModbusTCP bus and gateway controller 11, be used for transmitting larger data volume, to avoid data redundancy.Wherein, TCP/IP belongs to Ethernet protocol, and ModbusTCP agreement refers to the Ethernet protocol transmitted on Modbus.
In communication construction in electric vehicle controller disclosed in the present embodiment, gateway controller is monitored by the first CAN and power control instruction is sent to by the data reading power train control module, carry out one-way data transfer, Body control module carries out bidirectional data transfers by the second CAN and gateway controller, and amusement multi-media module carries out bidirectional data transfers by TCP/IP network communication bus and gateway controller.This programme by increasing gateway controller in the communication construction of electric vehicle controller; gateway controller is made to have firewall functionality; electronlmobil is protected bottom data in the process of networking; achieve filtration and the screening of data; ensure that the safety and stability of automobile electronic system; in addition, also add TCP/IP network communication bus, add the agreement transmitting comparatively complex data.
Present embodiment discloses a kind of electric vehicle controller, electric vehicle controller comprises communication construction, and wherein, the structural representation of communication construction as shown in Figure 2, comprising:
Gateway controller 21, amusement multi-media module 22, power train control module 23, Body control module 24 and EtherCAT control module 25.
Gateway controller is monitored and the data reading power train control module, and connect onboard system, be mainly used in realizing the related data that onboard system obtains power plant module, as brake, throttle, battery turn to, the data such as charging so that user understands the hardware state of vehicle at any time; Because above-mentioned power controller relates to vehicle and travels and safety, need user's active operation to control above-mentioned power CCU, and gateway is only monitor the data reading it and produce, the data transfer direction therefore produced is unidirectional;
Gateway controller and Body control module bidirectional data transfers, mainly realize the control of operating system to car body controller, gauge panel etc., as user directly can to control the realization of the functions such as door contact interrupter, atmosphere lamp style, seat position, wiper switch, back mirror lamp, air-conditioning by operating system.It can either receive operating system for the above-mentioned operating order enumerating equipment, again can read and monitor above-mentioned enumerate equipment generation action after corresponding data and be transferred to operating system, namely its communication is intercommunication.
EtherCAT is identical with the relation of power controller and gateway controller with the relation of gateway controller, and the controller that just EtherCAT connects is mainly the very high controller of real-time and function, as safety air bag.
Wherein, power train control module 23 is for providing power control for electronlmobil, and Body control module 24 is for providing Body Control for electronlmobil.
Gateway controller 21 is monitored by the first CAN and is read the data of power train control module 23.
Wherein, power train control module 23 can comprise: power plant module, energy module, and charging module and brake stable module etc., as long as the controller belonging to above classification all can according to data communication content carry in the first CAN.
Power train control module 23 can specifically comprise: motor controller, entire car controller, battery management unit power steering unit, senior driving auxiliary unit, direct supply, battery charger controller, braking anti-lock unit, body electronics stabilization element etc., wherein, the controller that in power train control module 23, reality specifically comprises and unit adjust according to the controller of different electronlmobils, as: the electronlmobil had does not have onboard charger, then do not comprise onboard charger controller in power train control module 23.
Because power train control module 23 comprises multiple power or energy datum, therefore, data in power train control module 23 are one-way transmitted to gateway controller 21, data after gateway controller 21 carries out protocol conversion then can not transfer to power train control module 23, to improve the safety of data.
Body control module 24 carries out bidirectional data transfers by the second CAN and gateway controller 21.
The controller that traveling comfort function is mainly provided that Body control module 24 inside comprises, as: vehicle body control unit, combination instrument control unit etc., therefore, gateway controller 21 for bidirectional transmission, namely can be carried out the data transmission after protocol conversion to Body control module 24 by the second CAN by the second CAN for transmitting data in Body control module 24.
Amusement multi-media module 22 carries out bidirectional data transfers by TCP/IP network communication bus and gateway controller 21.
Amusement multi-media module 22 mainly comprises: bluetooth unit, navigation elements, 3G communication unit, audio-visual control unit, voice system, man-machine interface, entity key unit etc., be mainly used in the amusement and recreation of user, therefore, amusement multi-media module 22 can by carrying out bidirectional data transfers between TCP/IP network communication bus and gateway controller 21.
Wherein, amusement multi-media module 22 carries out bidirectional data transfers by TCP/IP network communication bus and gateway controller 21, can be specially: amusement multi-media module 22 carries out bidirectional data transfers, to avoid data redundancy by ModbusTCP bus and gateway controller 21.Wherein, TCP/IP belongs to Ethernet protocol, and ModbusTCP agreement refers to the Ethernet protocol transmitted on Modbus.
EtherCAT control module 25 refers to ethernet automatic control module, wherein, EtherCAT control module sends high speed instruction to gateway controller 21 by EtherCAT high-speed bus, carry out one-way data transfer, be used for transmitting the data of the higher active safety of requirement of real-time and passive security, to improve the safety of data.
In communication construction in electric vehicle controller disclosed in the present embodiment, gateway controller is monitored by the first CAN and is read the data of power train control module, Body control module carries out bidirectional data transfers by the second CAN and gateway controller, and amusement multi-media module carries out bidirectional data transfers by TCP/IP network communication bus and gateway controller.This programme by increasing gateway controller in the communication construction of electric vehicle controller; gateway controller is made to have firewall functionality; electronlmobil is protected bottom data in the process of networking; achieve filtration and the screening of data; ensure that the safety and stability of automobile electronic system; in addition, also add TCP/IP network communication bus, add the agreement transmitting comparatively complex data.
Present embodiment discloses a kind of electric vehicle controller, electric vehicle controller comprises communication construction, and wherein, the structural representation of communication construction as shown in Figure 3, comprising:
Gateway controller 31, amusement multi-media module 32, power train control module 33, Body control module 34.
Wherein, power train control module 33 is for providing power control for electronlmobil, and Body control module 34 is for providing Body Control for electronlmobil.
Gateway controller 31 is monitored by the first CAN and is read the data of power train control module 33.
Wherein, power train control module 33 can comprise: power plant module, energy module, and charging module and brake stable module etc., as long as the controller belonging to above classification all can according to data communication content carry in the first CAN.
Power train control module 33 can specifically comprise: motor controller, entire car controller, battery management unit power steering unit, senior driving auxiliary unit, direct supply, battery charger controller, braking anti-lock unit, body electronics stabilization element etc., wherein, the controller that in power train control module 33, reality specifically comprises and unit adjust according to the controller of different electronlmobils, as: the electronlmobil had does not have onboard charger, then do not comprise onboard charger controller in power train control module 33.
Because power train control module 33 comprises multiple power or energy datum, therefore, data in power train control module 33 are one-way transmitted to gateway controller 31, data after gateway controller 31 carries out protocol conversion then can not transfer to power train control module 33, to improve the safety of data.
Body control module 34 carries out bidirectional data transfers by the second CAN and gateway controller 31.
The controller that traveling comfort function is mainly provided that Body control module 34 inside comprises, as: data storage cell 341, vehicle body control unit 342, combination instrument control unit 343, therefore, gateway controller 31 for bidirectional transmission, namely can be carried out the data transmission after protocol conversion to Body control module 34 by the second CAN by the second CAN for transmitting data in Body control module 34.
Amusement multi-media module 32 carries out bidirectional data transfers by TCP/IP network communication bus and gateway controller 31.
Amusement multi-media module 32 mainly comprises: bluetooth unit, navigation elements, 3G communication unit, audio-visual control unit, voice system, man-machine interface, entity key unit etc., be mainly used in the amusement and recreation of user, therefore, amusement multi-media module 32 can by carrying out bidirectional data transfers between TCP/IP network communication bus and gateway controller 31.
Wherein, amusement multi-media module 32 carries out bidirectional data transfers by TCP/IP network communication bus and gateway controller 31, can be specially: amusement multi-media module 32 carries out bidirectional data transfers by ModbusTCP bus and gateway controller 31, be used for transmitting larger data volume, to avoid data redundancy.Wherein, TCP/IP belongs to Ethernet protocol, and ModbusTCP agreement refers to the Ethernet protocol transmitted on Modbus.
In addition, amusement multi-media module 32 carries out bidirectional data transfers by the combination instrument control unit 343 in TCP/IP bus and Body control module 34.
So, communication link between amusement multi-media module 32 and combination instrument control unit 343 has two, wherein one is the TCP/IP bus between amusement multi-media module 32 and combination instrument control unit 343, another is the ModbusTCP bus between amusement multi-media module 32 and gateway controller 31, and the second CAN between gateway controller 31 and combination instrument control unit 343.Two communication links are had to be to be divide for main based on the stability of data communication or with the data volume of communication data according to concrete data between amusement multi-media module 32 and combination instrument control unit 343, and, the redundancy check of data can be carried out at amusement multi-media module 32, better realize the functions such as the networking of electronlmobil.
In communication construction in electric vehicle controller disclosed in the present embodiment, gateway controller is monitored by the first CAN and is read the data of power train control module, Body control module carries out bidirectional data transfers by the second CAN and gateway controller, and amusement multi-media module carries out bidirectional data transfers by TCP/IP network communication bus and gateway controller.This programme by increasing gateway controller in the communication construction of electric vehicle controller; network management controller is made to have firewall functionality; electronlmobil is protected bottom data in the process of networking; achieve filtration and the screening of data; ensure that the safety and stability of automobile electronic system; in addition, also add TCP/IP network communication bus, add the agreement transmitting comparatively complex data.
In this specification sheets, each embodiment adopts the mode of going forward one by one to describe, and what each embodiment stressed is the difference with other embodiments, between each embodiment identical similar portion mutually see.For device disclosed in embodiment, because it corresponds to the method disclosed in Example, so description is fairly simple, relevant part illustrates see method part.
Professional can also recognize further, in conjunction with unit and the algorithm steps of each example of embodiment disclosed herein description, can realize with electronic hardware, computer software or the combination of the two, in order to the interchangeability of hardware and software is clearly described, generally describe composition and the step of each example in the above description according to function.These functions perform with hardware or software mode actually, depend on application-specific and the design constraint of technical scheme.Professional and technical personnel can use distinct methods to realize described function to each specifically should being used for, but this realization should not thought and exceeds scope of the present invention.
The software module that the method described in conjunction with embodiment disclosed herein or the step of algorithm can directly use hardware, treater to perform, or the combination of the two is implemented.Software module can be placed in the storage medium of other form any known in random access memory (RAM), internal memory, read-only memory (ROM) (ROM), electrically programmable ROM, electrically erasable ROM, register, hard disk, moveable magnetic disc, CD-ROM or technical field.
To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field are realized or uses the present invention.To be apparent for those skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein can without departing from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (10)
1. a communication construction for electric vehicle controller, is characterized in that, comprising: gateway controller, amusement multi-media module, for providing the power train control module of power control for described electronlmobil, and for providing the Body control module of Body Control for described electronlmobil, wherein:
Described gateway controller is monitored by the first CAN and is read the data of described power train control module;
Described Body control module carries out bidirectional data transfers by the second CAN and described gateway controller;
Described amusement multi-media module carries out bidirectional data transfers by TCP/IP network communication bus and described gateway controller.
2. communication construction according to claim 1, is characterized in that, also comprises: EtherCAT ethernet automatic control module, wherein:
Described gateway controller is monitored by EtherCAT high-speed bus and is read the data of EtherCAT control module.
3. communication construction according to claim 1, is characterized in that, described amusement multi-media module carries out bidirectional data transfers by TCP/IP network communication bus and described gateway controller, is specially:
Described amusement multi-media module carries out bidirectional data transfers by ModbusTCP bus and described gateway controller.
4. communication construction according to claim 1, is characterized in that, described Body control module comprises: data storage cell, vehicle body control unit and combination instrument control unit, wherein:
Described data storage cell, vehicle body control unit and combination instrument control unit carry out bidirectional data transfers respectively by the second CAN and described gateway controller.
5. communication construction according to claim 4, is characterized in that, also comprises: described combination instrument control unit carries out bidirectional data transfers by TCP/IP bus and described amusement multi-media module.
6. an electric vehicle controller, it is characterized in that, comprise: communication construction, described communication construction comprises: gateway controller, amusement multi-media module, for providing the power train control module of power control for described electronlmobil, and for providing the Body control module of Body Control for described electronlmobil, wherein:
Described gateway controller is used for being monitored by the first CAN and reading the data of described power train control module;
Described Body control module carries out bidirectional data transfers by the second CAN and described gateway controller;
Described amusement multi-media module carries out bidirectional data transfers by TCP/IP network communication bus and described gateway controller.
7. controller according to claim 6, is characterized in that, described communication construction also comprises: EtherCAT ethernet automatic control module, wherein:
Described gateway controller is monitored by EtherCAT high-speed bus and is read the data of EtherCAT control module.
8. controller according to claim 6, is characterized in that, described amusement multi-media module carries out bidirectional data transfers by TCP/IP network communication bus and described gateway controller, is specially:
Described amusement multi-media module carries out bidirectional data transfers by ModbusTCP bus and described gateway controller.
9. controller according to claim 6, is characterized in that, described Body control module comprises: data storage cell, vehicle body control unit and combination instrument control unit, wherein:
Described data storage cell, vehicle body control unit and combination instrument control unit carry out bidirectional data transfers respectively by the second CAN and described gateway controller.
10. controller according to claim 9, is characterized in that, described communication construction also comprises: described combination instrument control unit carries out bidirectional data transfers by TCP/IP bus and described amusement multi-media module.
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