CN104527542B - Multi-platform protocol interaction strategy based on whole vehicle - Google Patents
Multi-platform protocol interaction strategy based on whole vehicle Download PDFInfo
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- CN104527542B CN104527542B CN201410768056.1A CN201410768056A CN104527542B CN 104527542 B CN104527542 B CN 104527542B CN 201410768056 A CN201410768056 A CN 201410768056A CN 104527542 B CN104527542 B CN 104527542B
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- 238000000034 method Methods 0.000 claims abstract description 15
- 238000004891 communication Methods 0.000 claims abstract description 12
- 230000008569 process Effects 0.000 claims abstract description 7
- 238000006243 chemical reaction Methods 0.000 claims description 11
- 230000008034 disappearance Effects 0.000 claims description 10
- 230000007704 transition Effects 0.000 claims description 8
- 238000012360 testing method Methods 0.000 claims description 4
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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
Abstract
The invention provides a multi-platform protocol interaction strategy based on a whole vehicle. The multi-platform protocol interaction strategy based on the whole vehicle includes that an original automobile system is integrated with an access system, a control module that is not required on the original automobile system is removed firstly, then the original automobile system is connected with the access system through a gateway to form a bus network topology structure, the access system is connected with an input end of the gateway, and the original automobile system is connected with an output end of the gateway; whether invalid and absent signals caused by removal of the control module that is not required on the original automobile system are essential signals or not is determined, and if the invalid and absent signals are the essential signals, the invalid and absent essential signals are divided into three categories according to timeliness; the gateway processes the three categories of signals respectively and then sends the signals to the original automobile system; integration of the access system with the original automobile system is finished. The multi-platform protocol interaction strategy based on the whole vehicle has the advantages that the two systems with different communication protocols can be continued to be used for a novel vehicle type without development and change again, functions of the gateway can be effectively achieved, development time of the novel vehicle type is shortened, and development costs and later period design verification costs of the novel vehicle type are greatly lowered.
Description
Technical field
The present invention relates to automobile communication field, more particularly, it relates to a kind of multi-platform association based on car load
View interactive strategy.
Background technology
Now, during traditional automotive system development process, being directed to the later stage carries out the whole of new model
Car is reequiped, if it is desired to put into new model after the automotive system of exploitation is integrated in different platform
In, it is necessary for control module most in automotive system being changed or passing through software again
After exploitation, could use on new model, and the system that other automobile original has been developed can not be continued to use, this
The retrofit process that sample causes new model is complicated, and needs automotive system is carried out secondary development, adds
Exploitation duration and risk, waste manpower and resource significantly.Simultaneously for the system using different agreement
Between communication can add this controller of function Access Gateway and carry out the transmission of signal, but in current car load process
In, gateway has only played the transduction to signal existing in access system, and can not be by access system
The signal not having is transferred to former automotive system, so normally results in former automotive system part control module merit
The disappearance of energy, and the integration of access system and former automotive system cannot be completed.
Summary of the invention
The technical problem to be solved in the present invention, is to provide a kind of multi-platform protocol interaction plan based on car load
Slightly, by gateway, access system is integrated with former automotive system so that access system input signal energy
Ensure the realization of each control module function in former automotive system, so that two use different communications protocol
System without again develop change just can directly continue to use to new model, effectively played net
The effect closed, greatly reduces the development cost of new model.
The present invention is achieved in that a kind of multi-platform protocol interaction strategy based on car load, including as follows
Step:
Step 10, former automotive system is integrated with access system: first remove on former automotive system not
The control module needed, then it is connected to bus-network topological structure by gateway and access system, wherein,
Described access system is connected with the input of gateway, and described former automotive system is connected with the outfan of gateway；
Described unwanted control module is determined by the actual demand of car load, described former automotive system and access system
It is respectively adopted different communications protocol；
Step 20, judge that former automotive system is owing to removing the letter of the caused disappearance of unwanted control module
Number be whether must signal: the most then by the required signal of disappearance according to real-time be divided into A class signal,
B class signal and C class signal；Otherwise, do not process；Described A class signal is required and reflects in real time
The signal of state, described B class signal is required and without real-time requirement signal, and described C class signal is
Signal in energy access system replaces the replaceable signal of corresponding signal in former automotive system；
Three class signals are respectively processed by step 30, gateway: for described A class signal, redirect step
Rapid 40；For described B class signal, jump procedure 50；For described C class signal, jump procedure
60；
Step 40, gateway first confirm whether have described A class signal to send in access system: if having, then
Receive this A class signal, and confirm this A class signal ID in access system and length, respectively correspondence
After being converted to the ID that mates with former automotive system and length, this A class signal after conversion is sent by gateway
Position corresponding on former automotive system；If no, then gateway sensor from automobile gathering this A
Class signal be the ID mated with former automotive system by the ID of this A class signal and the length transition that collect
Retransmit with after length；
Step 50, gateway first confirm whether have described B class signal to send in access system: if having, then
Receive this B class signal, and confirm this B class signal ID in access system and length, respectively correspondence
After being converted to the ID that mates with former automotive system and length, this B class signal after conversion is sent by gateway
Position corresponding on former automotive system；If no, then making gateway only by coding in a gateway
Send this fixing default value of B class signal one to former automotive system；Described default value is to be learnt by test
The signal value that in former automotive system, each control module function normally realizes can be made；
Step 60, gateway first confirm whether have described C class signal to send in access system: if having, then
Receive this C class signal, and confirm this C class signal ID in access system and length, respectively correspondence
After being converted to the ID that mates with former automotive system and length, this C class signal after conversion is sent by gateway
Position corresponding on former automotive system；If no, then gateway extract from access system can be used for replace
The coherent signal of this C class signal is also sent to former automotive system by after ID and length transition；
Step 70, access system and former automotive system complete to integrate.
It is also preferred that the left described access system includes, microprocessor, Battery control module and be used for reflecting car load
The full-vehicle control module of state, and described Battery control module and described full-vehicle control module all with micro-process
The input of device connects.
It is also preferred that the left the outfan of described gateway is also connected with each sensor on automobile.
It is also preferred that the left described gateway is sent to the cycle of each signal of former automotive system and triggers type all with former
The cycle of the required signal of disappearance described in automotive system is corresponding with triggering type consistent.
It is also preferred that the left use unshielded twisted pair or screen between described access system, gateway and former automotive system
Cover twisted-pair feeder to be connected with each other, and lay is 33～50twist/m.
After using such scheme, present invention have the advantage that
1, by gateway, access system is integrated with former automotive system, it is not necessary to each in system
Control module is again developed and just can be continued to use to new model, shortens the development time of new model, greatly
Reduce greatly development cost and late design checking expense；
2, the ID of the gateway signal to being sent to former automotive system, length, cycle etc. are all carried out accordingly
Communication is changed, it is ensured that former automotive system can be properly received signal, thus realizes the function of each control module.
Accompanying drawing explanation
The present invention is further illustrated the most in conjunction with the embodiments.
Fig. 1 is that the inventive method performs flow chart.
Detailed description of the invention
Referring to Fig. 1, the present invention, a kind of multi-platform protocol interaction strategy based on car load, including as follows
Step:
Step 10, former automotive system is integrated with access system: first remove on former automotive system not
The control module needed, then it is connected to bus-network topological structure by gateway and access system, wherein,
Described access system is connected with the input of gateway, and described former automotive system is connected with the outfan of gateway；
Described unwanted control module is determined by the actual demand of car load, described former automotive system and access system
It is respectively adopted different communications protocol；
Step 20, judge that former automotive system is owing to removing the letter of the caused disappearance of unwanted control module
Number be whether must signal: the most then by the required signal of disappearance according to real-time be divided into A class signal,
B class signal and C class signal；Otherwise, do not process；Described A class signal is required and reflects in real time
The signal of state, described B class signal is required and without real-time requirement signal, and described C class signal is
Signal in energy access system replaces the replaceable signal of corresponding signal in former automotive system；
Three class signals are respectively processed by step 30, gateway: for described A class signal, redirect step
Rapid 40；For described B class signal, jump procedure 50；For described C class signal, jump procedure
60；
Step 40, gateway first confirm whether have described A class signal to send in access system: if having, then
Receive this A class signal, and confirm this A class signal ID in access system and length, respectively correspondence
After being converted to the ID that mates with former automotive system and length, this A class signal after conversion is sent by gateway
Position corresponding on former automotive system；If no, then gateway sensor from automobile gathering this A
Class signal be the ID mated with former automotive system by the ID of this A class signal and the length transition that collect
Retransmit with after length；
Such as, if access system uses J1939 agreement, former automotive system uses CAN2.0B standard frame
Agreement, the GES in access system is described A class signal, if there being speed to believe in access system
Number, and this signal in access system a length of 16, ID is 0x18E5A5A6, then connect by gateway
Receive this signal and carry out protocol conversion, 29 bit protocols of J1939 are converted to the standard frame association of CAN2.0B
View, now gateway is sent to the GES length transition of former automotive system is 13, and ID is 0x101；
If not having GES in access system, then gateway can gather speed in the wheel speed sensors from automobile
Signal is also then forwarded to former automotive system by after ID and length transition；
Step 50, gateway first confirm whether have described B class signal to send in access system: if having, then
Receive this B class signal, and confirm this B class signal ID in access system and length, respectively correspondence
After being converted to the ID that mates with former automotive system and length, this B class signal after conversion is sent by gateway
Position corresponding on former automotive system；If no, then making gateway only by coding in a gateway
Send this fixing default value of B class signal one to former automotive system；Described default value is to be learnt by test
Can make the signal value that in former automotive system, each control module function normally realizes；
Such as, speed useful signal is described B class signal, if not having speed effectively to believe in access system
Number, then by a numerical value in this signal successive value of fixing transmission, (described numerical value is to obtain through test to gateway
Can make the signal value that in former automotive system, each control module function normally realizes) give former automotive system；
Step 60, gateway first confirm whether have described C class signal to send in access system: if having, then
Receive this C class signal, and confirm this C class signal ID in access system and length, respectively correspondence
After being converted to the ID that mates with former automotive system and length, this C class signal after conversion is sent by gateway
Position corresponding on former automotive system；If no, then gateway extract from access system can be used for replace
The coherent signal of this C class signal is also sent to former automotive system by after ID and length transition；
Such as, the brake pedal signal deletion on former automotive system, and not this signal in access system,
But can replace this signal with the brake lamp signal in access system, then gateway will carry from access system
It is sent to former automotive system after taking brake lamp signal and its ID and length being changed；
Step 70, access system and former automotive system complete to integrate.
By step 10 to step 70, realize between different communications protocol system in a gateway is mutual,
The signal making access system can guarantee that the normal work of each control module in former automotive system, so that
Two use the system of different communications protocol just can complete to integrate, directly without again developing change
Continue to use to new model.
Described access system includes, microprocessor, Battery control module and for reflecting the whole of whole vehicle state
Car control module, and described Battery control module and described full-vehicle control module all with the input of microprocessor
End connects.
The outfan of described gateway is also connected with each sensor on automobile；Ensure that gateway can be from accordingly
The signal of needs is gathered on sensor.
Described gateway be sent to each signal of former automotive system cycle and trigger type all with former automobile system
The cycle of the required signal of disappearance described in system is corresponding with triggering type consistent；Ensure that former automotive system energy
It is properly received signal, thus realizes the function of each control module.
Unshielded twisted pair or Shielded Twisted Pair is used between described access system, gateway and former automotive system
It is connected with each other, and lay is 33～50twist/m.
The present invention, is integrated access system with former automotive system by gateway, to being sent to former automobile
The signal of system carries out corresponding communication conversion so that former automotive system can be properly received the defeated of access system
Enter signal, it is ensured that the realization of each control module function in former automotive system, so that two use not
Need not again develop with the system of communications protocol and just can continue to use to new model.Effectively play net
The effect closed, shortens the development time of new model, greatly reduces development cost and the later stage of new model
Design verification expense.
Although the foregoing describing the detailed description of the invention of the present invention, but it is familiar with the technology people of the art
Member should be appreciated that our described specific embodiment is merely exemplary rather than for this
The restriction of bright scope, those of ordinary skill in the art are in the equivalence made according to the spirit of the present invention
Modify and change, all should contain in the scope of the claimed protection of the present invention.
Claims (5)
1. a multi-platform protocol interaction strategy based on car load, it is characterised in that: comprise the steps:
Step 10, former automotive system is integrated with access system: first remove on former automotive system not
The control module needed, then it is connected to bus-network topological structure by gateway and access system, wherein,
Described access system is connected with the input of gateway, and described former automotive system is connected with the outfan of gateway；
Described unwanted control module is determined by the actual demand of car load, described former automotive system and access system
It is respectively adopted different communications protocol；
Step 20, judge that former automotive system is owing to removing the letter of the caused disappearance of unwanted control module
Number be whether must signal: the most then by the required signal of disappearance according to real-time be divided into A class signal,
B class signal and C class signal；Otherwise, do not process；Described A class signal is required and reflects in real time
The signal of state, described B class signal is required and without real-time requirement signal, and described C class signal is
Signal in energy access system replaces the replaceable signal of corresponding signal in former automotive system；
Three class signals are respectively processed by step 30, gateway: for described A class signal, redirect step
Rapid 40；For described B class signal, jump procedure 50；For described C class signal, jump procedure
60；
Step 40, gateway first confirm whether have described A class signal to send in access system: if having, then
Receive this A class signal, and confirm this A class signal ID in access system and length, respectively correspondence
After being converted to the ID that mates with former automotive system and length, this A class signal after conversion is sent by gateway
Position corresponding on former automotive system；If no, then gateway sensor from automobile gathering this A
Class signal be the ID mated with former automotive system by the ID of this A class signal and the length transition that collect
Retransmit with after length；
Step 50, gateway first confirm whether have described B class signal to send in access system: if having, then
Receive this B class signal, and confirm this B class signal ID in access system and length, respectively correspondence
After being converted to the ID that mates with former automotive system and length, this B class signal after conversion is sent by gateway
Position corresponding on former automotive system；If no, then making gateway only by coding in a gateway
Send this fixing default value of B class signal one to former automotive system；Described default value is to be learnt by test
The signal value that in former automotive system, each control module function normally realizes can be made；
Step 60, gateway first confirm whether have described C class signal to send in access system: if having, then
Receive this C class signal, and confirm this C class signal ID in access system and length, respectively correspondence
After being converted to the ID that mates with former automotive system and length, this C class signal after conversion is sent by gateway
Position corresponding on former automotive system；If no, then gateway extract from access system can be used for replace
The coherent signal of this C class signal is also sent to former automotive system by after ID and length transition；
Step 70, access system and former automotive system complete to integrate.
A kind of multi-platform protocol interaction strategy based on car load the most according to claim 1, it is special
Levy and be: described access system includes, microprocessor, Battery control module and be used for reflecting whole vehicle state
Full-vehicle control module, and described Battery control module and described full-vehicle control module all with microprocessor
Input connects.
A kind of multi-platform protocol interaction strategy based on car load the most according to claim 1, it is special
Levy and be: the input of described gateway is also connected with each sensor on automobile.
A kind of multi-platform protocol interaction strategy based on car load the most according to claim 1, it is special
Levy and be: described gateway be sent to each signal of former automotive system cycle and trigger type all with former automobile
The cycle of the required signal of disappearance described in system is corresponding with triggering type consistent.
A kind of multi-platform protocol interaction strategy based on car load the most according to claim 1, it is special
Levy and be: between described access system, gateway and former automotive system, use unshielded twisted pair or shielding double
Twisted wire is connected with each other, and the twist of described twisted-pair feeder is 33～50twist/m.
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| GB2383694A (en) * | 2000-10-17 | 2003-07-02 | Lear Corp | Vehicle universal docking station and electronic feature modules |
| CN101520670A (en) * | 2008-02-25 | 2009-09-02 | 华创车电技术中心股份有限公司 | Control system of on-vehicle electronic device |
| CN202271930U (en) * | 2011-09-23 | 2012-06-13 | 广东好帮手电子科技股份有限公司 | Information sharing system of automobile multimedia device |
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2014
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2383694A (en) * | 2000-10-17 | 2003-07-02 | Lear Corp | Vehicle universal docking station and electronic feature modules |
| DE10123842A1 (en) * | 2001-05-16 | 2002-12-05 | Bosch Gmbh Robert | System for controlling electrically controllable components, corresponding central control unit and corresponding module |
| CN101520670A (en) * | 2008-02-25 | 2009-09-02 | 华创车电技术中心股份有限公司 | Control system of on-vehicle electronic device |
| CN202271930U (en) * | 2011-09-23 | 2012-06-13 | 广东好帮手电子科技股份有限公司 | Information sharing system of automobile multimedia device |
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Address after: No. 66 Southeast Avenue, Qingkou Town, Minhou County, Fuzhou City, Fujian Province, 350119 Patentee after: Southeast (Fujian) Automobile Industry Co.,Ltd. Country or region after: China Address before: 350119 Qingkou Town, Minhou County, Fuzhou, Fujian Patentee before: SOUTH EAST (FUJIAN) MOTOR Corp.,Ltd. Country or region before: China |
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