CN103941696A - Position recognition system of vehicle universal bus module and recognition method of position recognition system - Google Patents
Position recognition system of vehicle universal bus module and recognition method of position recognition system Download PDFInfo
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- CN103941696A CN103941696A CN201410167354.5A CN201410167354A CN103941696A CN 103941696 A CN103941696 A CN 103941696A CN 201410167354 A CN201410167354 A CN 201410167354A CN 103941696 A CN103941696 A CN 103941696A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
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Abstract
The invention provides a position recognition system of a vehicle universal bus module and a recognition method of the position recognition system. The system comprises a power supply, a key switch ON gear, a vehicle meter and a plurality of universal bus modules which have the same structure. The vehicle meter is connected with the multiple universal bus modules through CAN buses. The universal bus modules comprise an arousing circuit, a module power supply circuit, a central processor, a CAN communication interface circuit and a plurality of output interface circuits. The invention further provides the recognition method of the position recognition system of the vehicle universal bus module. Through simple software judgment, address recognition functions of different universal bus modules can be achieved, the universality and the applicability of the universal bus modules are enhanced, application complexity and the manufacturing cost of the universal bus modules are lowered, spare part inventory is lowered, and accordingly the manufacturing cost and the maintaining cost of vehicle auxiliary parts are saved.
Description
Technical field
The present invention relates to automobile control technology field, specifically a kind of position-recognizing system of Universal automobile bus module and recognition methods thereof.
Background technology
Development along with electronic technology, the application of the electronic control module of body of a motor car different parts is more and more extensive, its function and kind are also more and more, common design is to design respectively hardware and software for each electronic control module, increase the work of a lot of repetitions, caused the serious waste of resource; A large amount of standby redundancies, kind and model are various, easily cause the fund of manufacturer and spare part to overstock.Therefore, be necessary to develop a can be by integrated design, external hardware port function is identical, realizes the electronic control module of difference in functionality output on software.
Summary of the invention
The object of the present invention is to provide a kind of position-recognizing system and recognition methods thereof of Universal automobile bus module, make duplicate electronic control module complete its function separately at the diverse location of automobile.
Technical scheme of the present invention is:
A kind of position-recognizing system of Universal automobile bus module, comprise power supply, key switch ON shelves, the versabus module that automobile instrument is identical with a plurality of structures, described automobile instrument is connected by CAN bus with a plurality of versabus modules, and described versabus module comprises wake-up circuit, module power supply circuit, central processing unit and the CAN communication interface circuit being all connected with central processing unit interactive signal and multichannel output interface circuit; The outside wake-up signal of input termination of described wake-up circuit, its output terminal is connected to module power supply circuit control end.The output terminal of described key switch ON shelves connects the input end of the wake-up circuit of first versabus module, an output terminal of the multichannel output interface circuit of described first versabus module connects the input end of the wake-up circuit of second versabus module, an output terminal of the multichannel output interface circuit of described second versabus module connects the input end of the wake-up circuit of the 3rd versabus module, the like; Described central processing unit is by CAN communication interface circuit search address information CAN bus, if search is less than address information, self address using the first address defining in communications protocol as affiliated versabus module, if search address information, the maximum address value searching is increased progressively maybe after the lowest address value searching is successively decreased by preset value to self address as affiliated versabus module by preset value; Described central processing unit also sends to self address of affiliated versabus module in CAN bus by CAN communication interface circuit.
The position-recognizing system of described Universal automobile bus module, described versabus module also comprises outer input interface circuit, the input termination external switch amount signal of described outer input interface circuit, its output terminal is connected to the input end of central processing unit.
The position-recognizing system of described Universal automobile bus module, described versabus module also comprises ADC signals collecting interface circuit, the input termination external sensor signal of described ADC signals collecting interface circuit, its output terminal is connected to the input end of central processing unit.
The recognition methods of the position-recognizing system of described a kind of Universal automobile bus module, comprises the following steps:
(1) when key switch ON shelves disconnect, each versabus module is all in dormant state; When key switch ON shelves are connected, power supply accesses the wake-up circuit of first versabus module by key switch ON shelves, described wake-up circuit activates connected module power supply circuit, and the central processing unit that described module power supply circuit is first versabus module, multichannel output interface circuit and CAN communication interface circuit provide working power;
(2) central processing unit of described first versabus module is started working and passes through CAN communication interface circuit search address information CAN bus, central processing unit is searched for less than address information from CAN bus, self address using the first address defining in communications protocol as first versabus module, and by CAN communication interface circuit, self address of described first versabus module is sent in CAN bus, control an output terminal of multichannel output interface circuit to the wake-up circuit input high level of second versabus module simultaneously, activate connected module power supply circuit, described module power supply circuit is the central processing unit of second versabus module, multichannel output interface circuit and CAN communication interface circuit provide working power,
(3) central processing unit of described second versabus module is started working and is passed through CAN communication interface circuit search address information CAN bus, central processing unit searches the address information of first versabus module from CAN bus, using the address value of first versabus module searching by preset value increasing or decreasing after as self address of second versabus module, and by CAN communication interface circuit, self address of described second versabus module is sent in CAN bus, control an output terminal of multichannel output interface circuit to the wake-up circuit input high level of the 3rd versabus module simultaneously, activate connected module power supply circuit, described module power supply circuit is the central processing unit of the 3rd versabus module, multichannel output interface circuit and CAN communication interface circuit provide working power,
(4) central processing unit of described the 3rd versabus module is started working and is passed through CAN communication interface circuit search address information CAN bus, central processing unit searches the address information of first versabus module and second versabus module from CAN bus, using the address value of second the versabus module searching by preset value increasing or decreasing after as self address of the 3rd versabus module, and by CAN communication interface circuit, self address of described the 3rd versabus module is sent in CAN bus, control an output terminal of multichannel output interface circuit to the wake-up circuit input high level of the 4th versabus module simultaneously, activate connected module power supply circuit, described module power supply circuit is the central processing unit of the 4th versabus module, multichannel output interface circuit and CAN communication interface circuit provide working power, the like, until last versabus module completes the definition of self address, and himself address is sent in CAN bus.
As shown from the above technical solution, the position-recognizing system of the present invention's design, can be so that duplicate versabus module completes its function separately at the diverse location of automobile, by simple software, judge, can realize the Address Recognition function of different versabus modules, this design has strengthened versatility and the applicability of versabus module, the complexity of application and the manufacturing cost of versabus module have been reduced, reduce the stock of spare part, thereby saved manufacturing cost and the maintenance cost of automobile accessories parts.
Accompanying drawing explanation
Fig. 1 is the internal circuit block diagram of versabus module of the present invention;
Fig. 2 is system chart of the present invention;
Fig. 3 is the wake-up circuit of versabus module of the present invention and the integrated morphology schematic diagram of module power supply circuit.
Embodiment
As shown in Figure 1 and Figure 2, a kind of position-recognizing system of Universal automobile bus module, comprise 24V power supply 1, key switch ON shelves 2, the versabus module 4 that automobile instrument 3 is identical with a plurality of structures, automobile instrument 3 is connected by CAN bus with a plurality of versabus modules 4, composed of car carriage CAN network control system.
Versabus module 4 comprises wake-up circuit 41, module power supply circuit 42, central processing unit 43, CAN communication interface circuit 44, multichannel output interface circuit 45, outer input interface circuit 46 and ADC signals collecting interface circuit 47.CAN communication interface circuit 44 is all connected with central processing unit 43 interactive signals with multichannel output interface circuit 45.The input termination external switch amount signal of outer input interface circuit 46, its output terminal is connected to the input end of central processing unit 43.The input termination external sensor signal of ADC signals collecting interface circuit 47, its output terminal is connected to the input end of central processing unit 43.The outside wake-up signal of input termination of wake-up circuit 41, its output terminal is connected to the input end of module power supply circuit 42, the output terminal of module power supply circuit 42 is connected to the power input of central processing unit 43, CAN communication interface circuit 44, multichannel output interface circuit 45, outer input interface circuit 46 and ADC signals collecting interface circuit 47, for they provide working power.
Outer input interface circuit 46 is mainly used to gather the various low and high levels of versabus module 4 outsides and digital signal, frequency signal, comprises various gear signal, switching signal, pulse signal etc.Multichannel output interface circuit 45 is equivalent to the switch one by one of 24V power supply, and the power supply of the electronic load of versabus module 4 peripheries under controlling, after switch connection, just has 24V output, otherwise, not output.
When the input end access 24V of wake-up circuit 41 power supply, versabus module 4 under it is activated and enters duty, and carries out CAN bus communication, when the input end of wake-up circuit 41 is low level, versabus module 4 under it enters dormant state, there is no current drain.If wake-up circuit 41 and module power supply circuit 42 are integrated, as adopt the LM25XX of National Semiconductor or LM26XX series power supply chip, as shown in Figure 3, the 7th pin of this power supply chip LM26XX is just equivalent to wake-up circuit 41, when its outside access 24V power supply, the 7th pin is high level, power supply chip is started working, be connected on the power supply of the 2nd pin through power supply chip internal switch circuit conversion, just can be via the 1st pin and external circuit combination, produce output voltage V CC, working power is provided to central processing unit 43 and other circuit, when 24V power supply is not accessed in its outside, the 7th pin voltage is zero, and wake-up circuit 41 quits work, the 1st pin Non voltage output.
Central processing unit 43 can adopt existing various processor, as 16 bit processors of Freescale company, its hardware configuration is constant, in its software architecture, increase Address Recognition unit, this Address Recognition unit is by CAN communication interface circuit 44 search address information CAN bus, if search is less than address information, self address using the first address defining in communications protocol as affiliated versabus module 4, if search address information, the maximum address value searching is increased progressively maybe after the lowest address value searching is successively decreased by preset value to self address as affiliated versabus module 4 by preset value, this Address Recognition unit also sends to self address of affiliated versabus module 4 in CAN bus by CAN communication interface circuit 44.
For ease of understanding and describing, with five versabus module 4(being separately positioned on left front portion, right front portion, the middle part of body of a motor car, left back portion, right back portion five large control areas five versabus modules 4 herein basic configuration just, can have in actual applications more versabus module 4) for example describes, be referred to as respectively left front-end structure 401, right front portion module 402, bicycle middle module 403, left rear module 404, right rear module 405.The output terminal of key switch ON shelves 2 connects the input end of the wake-up circuit 41 of left front-end structure 401, an output terminal of the multichannel output interface circuit 45 of left front-end structure 401 connects the input end of the wake-up circuit 41 of right front portion module 402, an output terminal of the multichannel output interface circuit 45 of right front portion module 402 connects the input end of the wake-up circuit of bicycle middle module 403, the like.
A recognition methods for the position-recognizing system of Universal automobile bus module, comprises the step of following order:
S1, when key switch ON shelves 2 disconnect, each versabus module 4 is all in dormant state, not electric consumption; When key switch ON shelves 2 are connected, 24V power supply 1 is by the wake-up circuit 41 of the left front-end structure 401 of key switch ON shelves 2 access, this wake-up circuit 41 activates connected module power supply circuit 42, and the central processing unit 43 that this module power supply circuit 42 is left front-end structure 401, CAN communication interface circuit 44, multichannel output interface circuit 45, outer input interface circuit 46 and ADC signals collecting interface circuit 47 provide working power.
S2, the central processing unit 43 of left front-end structure 401 is started working, and by CAN communication interface circuit 44 search address information CAN bus, to have accessed a versabus module 4 be left front-end structure 401 due to current, CAN bus does not have relevant address information, so the central processing unit 43 of left front-end structure 401 is searched for less than address information from CAN bus, the first address automatically defining in communications protocol when dispatching from the factory is as self address of left front-end structure 401, take 0x140C0011 as example, and by CAN communication interface circuit 44, this address information 0x140C0011 is sent in CAN bus, an output terminal simultaneously controlling multichannel output interface circuit 45 is wake-up circuit 41 input high levels of front-end structure 402 to the right, this wake-up circuit 41 activates connected module power supply circuit 42, this module power supply circuit 42 is the central processing unit 43 of right front portion module 402, CAN communication interface circuit 44, multichannel output interface circuit 45, outer input interface circuit 46 and ADC signals collecting interface circuit 47 provide working power.
S3, the central processing unit 43 of right front portion module 402 is started working, and by CAN communication interface circuit 44 search address information CAN bus, when the central processing unit 43 of right front portion module 402 is after CAN bus searches the address information 0x140C0011 of left front-end structure 401, automatically after the address value of left front-end structure 401 is pressed preset value increasing or decreasing as self address of right front portion module 402, in the present embodiment, employing sequentially adds 1 mode, self address of right front portion module 402 is 0x140C0012, and by CAN communication interface circuit 44, this address information 0x140C0012 is sent in CAN bus, control an output terminal of multichannel output interface circuit 45 to wake-up circuit 41 input high levels of bicycle middle module 403 simultaneously, this wake-up circuit 41 activates connected module power supply circuit 42, this module power supply circuit 42 is the central processing unit 43 of bicycle middle module 403, CAN communication interface circuit 44, multichannel output interface circuit 45, outer input interface circuit 46 and ADC signals collecting interface circuit 47 provide working power.
S4, the central processing unit 43 of bicycle middle module 403 is started working, and by CAN communication interface circuit 44 search address information CAN bus, when the central processing unit 43 of bicycle middle module 403 searches from CAN bus after the address information 0x140C0011 of left front-end structure 401 and the address information 0x140C0012 of right front portion module 402, automatically the address value of right front portion module 402 is sequentially added to the 0x140C0013 that obtains after 1 as self address of bicycle middle module 403, and by CAN communication interface circuit 44, this address information 0x140C0013 is sent in CAN bus, an output terminal simultaneously controlling multichannel output interface circuit 45 is wake-up circuit 41 input high levels of rear module 404 left, this wake-up circuit 41 activates connected module power supply circuit 42, this module power supply circuit 42 is the central processing unit 43 of left rear module 404, CAN communication interface circuit 44, multichannel output interface circuit 45, outer input interface circuit 46 and ADC signals collecting interface circuit 47 provide working power.The like, until right rear module 405 is self address called after 0x140C0015, the address definition of all versabus modules 4 finishes.
From the above, core concept of the present invention is: after key switch ON shelves 2 are connected, 24V power supply 1 is given first versabus module 4 input wake-up signals by key switch ON shelves 2, first versabus module 4 enters duty, it is by reading the address information in CAN bus, automatically distribute self address, and connect the output terminal of self, to next versabus module 4 power supplies, the like, to the last a versabus module 4 is powered, and completes self Address Recognition.If close key switch ON shelves 2, all versabus modules 4 all enter dormant state, again connect key switch ON shelves 2, and all versabus modules 4 redefine self address according to abovementioned steps, so circulation.
When last versabus module 4 completes self Address Recognition, and address information is sent in CAN bus, automobile instrument 3 display systems are normal, and automobile instrument 3 enters normal operating conditions with the vehicle body CAN network control system that a plurality of versabus modules 4 form.In whole vehicle body CAN network control system, automobile instrument 3 is equivalent to Body Control scheduler module, it receives all versabus modules 4 and sends to the information in CAN bus, in conjunction with near switching information pilot control instrument desk, sensor input message, judgement driver's intention, sends steering order by CAN bus to the versabus module 4 of different address locations in vehicle body CAN network control system.After each versabus module 4 receives the command information of automobile instrument 3 and resolves, if this command information is relevant to self address, carries out corresponding output, and the information of collection, status information are sent in CAN bus; Otherwise, if this command information is uncorrelated with self address, abandoning this command information, will not respond.
The above embodiment is only that the preferred embodiment of the present invention is described; not scope of the present invention is limited; design under the prerequisite of spirit not departing from the present invention; various distortion and improvement that those of ordinary skills make technical scheme of the present invention, all should fall in the definite protection domain of claims of the present invention.
Claims (4)
1. the position-recognizing system of a Universal automobile bus module, comprise power supply, key switch ON shelves, the versabus module that automobile instrument is identical with a plurality of structures, described automobile instrument is connected by CAN bus with a plurality of versabus modules, it is characterized in that:
Described versabus module comprises wake-up circuit, module power supply circuit, central processing unit and the CAN communication interface circuit being all connected with central processing unit interactive signal and multichannel output interface circuit; The outside wake-up signal of input termination of described wake-up circuit, its output terminal is connected to the input end of module power supply circuit, and the output terminal of described module power supply circuit is connected to the power control terminal of central processing unit, CAN communication interface circuit and multichannel output interface circuit;
The output terminal of described key switch ON shelves connects the input end of the wake-up circuit of first versabus module, an output terminal of the multichannel output interface circuit of described first versabus module connects the input end of the wake-up circuit of second versabus module, an output terminal of the multichannel output interface circuit of described second versabus module connects the input end of the wake-up circuit of the 3rd versabus module, the like;
Described central processing unit is by CAN communication interface circuit search address information CAN bus, if search is less than address information, self address using the first address defining in communications protocol as affiliated versabus module, if search address information, the maximum address value searching is increased progressively maybe after the lowest address value searching is successively decreased by preset value to self address as affiliated versabus module by preset value; Described central processing unit also sends to self address of affiliated versabus module in CAN bus by CAN communication interface circuit.
2. the position-recognizing system of Universal automobile bus module according to claim 1, it is characterized in that: described versabus module also comprises outer input interface circuit, the input termination external switch amount signal of described outer input interface circuit, its output terminal is connected to the input end of central processing unit.
3. the position-recognizing system of Universal automobile bus module according to claim 1, it is characterized in that: described versabus module also comprises ADC signals collecting interface circuit, the input termination external sensor signal of described ADC signals collecting interface circuit, its output terminal is connected to the input end of central processing unit.
4. the recognition methods of the position-recognizing system of a kind of Universal automobile bus module according to claim 1, is characterized in that, comprises the following steps:
(1) when key switch ON shelves disconnect, each versabus module is all in dormant state; When key switch ON shelves are connected, power supply accesses the wake-up circuit of first versabus module by key switch ON shelves, described wake-up circuit activates connected module power supply circuit, and the central processing unit that described module power supply circuit is first versabus module, multichannel output interface circuit and CAN communication interface circuit provide working power;
(2) central processing unit of described first versabus module is started working and passes through CAN communication interface circuit search address information CAN bus, central processing unit is searched for less than address information from CAN bus, self address using the first address defining in communications protocol as first versabus module, and by CAN communication interface circuit, self address of described first versabus module is sent in CAN bus, control an output terminal of multichannel output interface circuit to the wake-up circuit input high level of second versabus module simultaneously, activate connected module power supply circuit, described module power supply circuit is the central processing unit of second versabus module, multichannel output interface circuit and CAN communication interface circuit provide working power,
(3) central processing unit of described second versabus module is started working and is passed through CAN communication interface circuit search address information CAN bus, central processing unit searches the address information of first versabus module from CAN bus, using the address value of first versabus module searching by preset value increasing or decreasing after as self address of second versabus module, and by CAN communication interface circuit, self address of described second versabus module is sent in CAN bus, control an output terminal of multichannel output interface circuit to the wake-up circuit input high level of the 3rd versabus module simultaneously, activate connected module power supply circuit, described module power supply circuit is the central processing unit of the 3rd versabus module, multichannel output interface circuit and CAN communication interface circuit provide working power,
(4) central processing unit of described the 3rd versabus module is started working and is passed through CAN communication interface circuit search address information CAN bus, central processing unit searches the address information of first versabus module and second versabus module from CAN bus, using the address value of second the versabus module searching by preset value increasing or decreasing after as self address of the 3rd versabus module, and by CAN communication interface circuit, self address of described the 3rd versabus module is sent in CAN bus, control an output terminal of multichannel output interface circuit to the wake-up circuit input high level of the 4th versabus module simultaneously, activate connected module power supply circuit, described module power supply circuit is the central processing unit of the 4th versabus module, multichannel output interface circuit and CAN communication interface circuit provide working power, the like, until last versabus module completes the definition of self address, and himself address is sent in CAN bus.
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| CN201410167354.5A CN103941696B (en) | 2014-04-24 | 2014-04-24 | Position recognition system of vehicle universal bus module and recognition method of position recognition system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106131240A (en) * | 2016-08-09 | 2016-11-16 | 郑州市茂辰电子科技有限公司 | A kind of CAN address distribution method based on daisy chaining and communication system |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2642566Y (en) * | 2003-08-01 | 2004-09-22 | 重庆工学院 | Automobile engine centralized control device based on field bus |
| JP2007272807A (en) * | 2006-03-31 | 2007-10-18 | Nippon Dempa Kogyo Co Ltd | Module selection and function switching method for digital processor |
| CN101332818A (en) * | 2008-07-25 | 2008-12-31 | 重庆邮电大学 | Marking device general for vehicle electronic control unit |
| CN101539775A (en) * | 2009-04-09 | 2009-09-23 | 南京赛格微电子科技有限公司 | Automobile control module system for identifying address automatically |
| CN201707601U (en) * | 2010-02-12 | 2011-01-12 | 深圳市元征软件开发有限公司 | Automobile diagnosis system based on general bus paralleling |
-
2014
- 2014-04-24 CN CN201410167354.5A patent/CN103941696B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2642566Y (en) * | 2003-08-01 | 2004-09-22 | 重庆工学院 | Automobile engine centralized control device based on field bus |
| JP2007272807A (en) * | 2006-03-31 | 2007-10-18 | Nippon Dempa Kogyo Co Ltd | Module selection and function switching method for digital processor |
| CN101332818A (en) * | 2008-07-25 | 2008-12-31 | 重庆邮电大学 | Marking device general for vehicle electronic control unit |
| CN101539775A (en) * | 2009-04-09 | 2009-09-23 | 南京赛格微电子科技有限公司 | Automobile control module system for identifying address automatically |
| CN201707601U (en) * | 2010-02-12 | 2011-01-12 | 深圳市元征软件开发有限公司 | Automobile diagnosis system based on general bus paralleling |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106131240A (en) * | 2016-08-09 | 2016-11-16 | 郑州市茂辰电子科技有限公司 | A kind of CAN address distribution method based on daisy chaining and communication system |
| CN106131240B (en) * | 2016-08-09 | 2024-01-09 | 郑州市茂辰电子科技有限公司 | CAN address allocation method and communication system based on sequential chain |
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