CN101930232B - Window glass lifter diagnosis system based on LIN bus - Google Patents
Window glass lifter diagnosis system based on LIN bus Download PDFInfo
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- CN101930232B CN101930232B CN201010255473A CN201010255473A CN101930232B CN 101930232 B CN101930232 B CN 101930232B CN 201010255473 A CN201010255473 A CN 201010255473A CN 201010255473 A CN201010255473 A CN 201010255473A CN 101930232 B CN101930232 B CN 101930232B
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- frame riser
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Abstract
The invention provides a window glass lifter diagnosis system based on an LIN bus, belonging to the technical field of automobiles. The invention solves the problem that the existing diagnosis system can not utilize the LIN bus to conveniently and efficiently conduct fault diagnosis on the window glass lifter. The window glass lifter diagnosis system based on the LIN bus comprises a plurality of window glass lifter modules, the LIN bus and a BCM connected on a main network, wherein the LIN bus connects the BCM and the window glass lifter modules to form an LIN bus network, the BCM is a main node in the LIN bus network, the plurality of window glass lifter modules are respectively sub-nodes in the LIN bus network, and the main node BCM comprises a direct diagnosis unit and an indirect diagnosis unit. The window glass lifter diagnosis system based on the LIN bus has the advantage that the fault diagnosis can be correctly and efficiently carried out.
Description
Technical field
The invention belongs to automobile technical field, relate to a kind of diagnostic system, particularly a kind of glass lifter diagnosis system based on the LIN bus.
Background technology
Current; Glass-frame riser module based on the total line traffic control of LIN; Be as existing in the LIN bus network, realize crawl rising, crawl decline and fast rise, descend degradation to move fast for glass-frame riser module controls glass-frame riser by host node BCM (car body control module) sending controling instruction from node.
Utilize the mode of the total line traffic control glass-frame riser of LIN to bring a lot of advantages technically, as reduce cost, wiring is saved controller resource etc. easily.But also exist many problems: hold and three of control command actuating stations logical block independently because the mode of the total line traffic control glass-frame riser of LIN realizes the function of glass-frame riser to divide to send for switching signal input end and control command; And cause traditional directly control power supply by switch and bringing in the fault diagnosis functions that realize glass-frame riser and be difficult to realize again; There is not effective diagnostic method; When in a single day glass-frame riser breaks down; It is at a loss what to do to seem; And can only adopt artificial unloading's exclusive method of inefficiency and costly parts replacement method to realize fault judgement and eliminating, can not be easily and effectively to the diagnosing malfunction and the eliminating of glass-frame riser.
Summary of the invention
The objective of the invention is to have the problems referred to above, proposed a kind of ability and improved glass lifter diagnosis system based on the LIN bus to the efficient and the accuracy of glass-frame riser diagnosing malfunction to existing technology.
The object of the invention can be realized through following technical proposal: a kind of glass lifter diagnosis system based on the LIN bus; Comprise several glass-frame riser modules, LIN bus and be connected the BCM (car body control module) on the backbone network; Through the LIN bus BCM and each glass-frame riser module are coupled together and to form a LIN bus network; BCM is the host node of LIN bus network; Each glass-frame riser module be respectively the LIN bus network from node; Described BCM can receive diagnostic message and send to each glass-frame riser module and can also collect from the diagnosis message of each glass-frame riser module through the LIN bus from backbone network; It is characterized in that: contain direct diagnostic value unit and indirect diagnosis unit among the described host node BCM; Described direct diagnostic value unit can make above-mentioned diagnostic message and the directly communication between backbone network and LIN bus network of diagnosis message, and described indirect diagnosis unit can make above-mentioned BCM receive after the diagnostic message it is translated into the LIN bus message to be redispatched to each glass-frame riser module and after BCM collects the diagnosis message of each glass-frame riser module, will diagnose message to change into DTC and store.
This diagnostic system has two kinds of diagnostic modes, direct diagnostic value and diagnosis indirectly.When needs carry out fault diagnosis to glass-frame riser, diagnostic device is connected on the backbone network, diagnostic device can carry out direct fault diagnosis to glass-frame riser through direct diagnostic value unit among backbone network, the host node BCM and LIN bus; Diagnostic device also can carry out indirect fault diagnosis to glass-frame riser through indirect diagnosis unit among backbone network, the host node BCM and LIN bus.In the direct diagnostic value mode, the direct diagnostic value unit can make diagnostic message and diagnosis message between backbone network and LIN bus network, directly carry out communication; In the diagnostic mode, after diagnostic device was linked into backbone network, the DTC that is stored in the indirect diagnosis unit just sent in the diagnostic device through backbone network, makes diagnostic device obtain failure message indirectly.
In above-mentioned a kind of glass lifter diagnosis system based on the LIN bus, described each glass-frame riser module includes glass-frame riser and the ECU (electronic control unit) that is connected and can controls its work with glass-frame riser.
ECU can receive from the LIN bus from the diagnostic message of diagnostic device and the steering order of coming autonomous node BCM, and according to the work of steering order control glass-frame riser, also can send have the glass-frame riser failure message the diagnosis message on the LIN bus.
In above-mentioned a kind of glass lifter diagnosis system, contain storage unit in the described indirect diagnosis unit based on the LIN bus.
The diagnosis message from the glass-frame riser module that indirect diagnosis unit will be collected changes into DTC and is stored in the storage unit.
Compared with prior art; This glass lifter diagnosis system makes full use of the characteristics of existing LIN bus network and host node BCM self; Make this diagnostic system have indirect diagnosis and two kinds of diagnostic modes of direct diagnostic value, make accurate more and high-level efficiency the diagnosis of glass-frame riser.This diagnostic system is simple in structure simultaneously, under the situation that does not increase any other hardware, realizes its efficiently and accurately fault diagnosis.
Description of drawings
Fig. 1 is a theory structure block diagram of the present invention.
Embodiment
Below be specific embodiment of the present invention and combine accompanying drawing, technical scheme of the present invention is done further to describe, but the present invention is not limited to these embodiment.
As shown in Figure 1, this glass lifter diagnosis system based on the LIN bus comprises four glass-frame riser modules, LIN bus and is connected the BCM on the backbone network.Each glass-frame riser module comprises glass-frame riser and the ECU that is connected and can controls its work with glass-frame riser.Through the LIN bus BCM and four glass-frame riser modules are coupled together and to form a LIN bus network; BCM is the host node of LIN bus network; Four glass-frame riser modules are that four of LIN bus network are from node; BCM can receive diagnostic message and send to four glass-frame riser modules and can also collect from the diagnosis message of four glass-frame riser modules through the LIN bus from backbone network; Contain direct diagnostic value unit and indirect diagnosis unit among the host node BCM, contain storage unit in the diagnosis unit indirectly.
The principle of work of this diagnostic system is following in detail:
When needs carry out fault diagnosis to glass-frame riser, earlier diagnostic device is connected on the backbone network, diagnostic device sends to diagnostic message on the host node BCM through backbone network.
This diagnostic system has two kinds of diagnostic modes, indirectly diagnosis and direct diagnostic value.
Diagnosis indirectly: diagnosis unit can make host node BCM after receiving diagnostic message, it translated into the LIN bus message and send to the ECU in each glass-frame riser module through the LIN bus more indirectly; ECU obtains the corresponding service data of glass-frame riser according to its LIN bus message that receives or carries out test function and these are generated the diagnosis message and sends to host node BCM, and diagnosis unit changes into DTC with these diagnosis messages and is stored in the storage unit indirectly.Thereby diagnostic device can read DTC and obtain the glass-frame riser failure message from storage unit.
Direct diagnostic value: the direct diagnostic value unit can make host node BCM after receiving diagnostic message, directly diagnostic message sent to the ECU in each glass-frame riser module; ECU obtains the corresponding service data of glass-frame riser according to its LIN bus message that receives or carries out test function and these are generated the diagnosis message and directly sends to diagnostic device through host node BCM, realizes the direct diagnostic value of diagnostic device to the glass-frame riser fault.
Convenient to the fault diagnosis of glass-frame riser, accurate and high-level efficiency that two kinds of diagnostic modes of the indirect diagnosis of this diagnostic system and direct diagnostic value make.
Specific embodiment described herein only is that the present invention's spirit is illustrated.Person of ordinary skill in the field of the present invention can make various modifications or replenishes or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present invention or surmount the defined scope of appended claims.
Claims (2)
1. glass lifter diagnosis system based on the LIN bus; Comprise several glass-frame riser modules, LIN bus and be connected the BCM (car body control module) on the backbone network; Through the LIN bus BCM and each glass-frame riser module are coupled together and to form a LIN bus network; BCM is the host node of LIN bus network; Each glass-frame riser module be respectively the LIN bus network from node; Described BCM can receive diagnostic message and send to each glass-frame riser module and can also collect from the diagnosis message of each glass-frame riser module through the LIN bus from backbone network; It is characterized in that: contain direct diagnostic value unit and indirect diagnosis unit among the described host node BCM; Described direct diagnostic value unit can make above-mentioned diagnostic message and the directly communication between backbone network and LIN bus network of diagnosis message, contains storage unit in the described indirect diagnosis unit, and described indirect diagnosis unit can make above-mentioned BCM receive after the diagnostic message it is translated into the LIN bus message to be redispatched to each glass-frame riser module and after BCM collects the diagnosis message of each glass-frame riser module, will diagnose message to change into DTC and store.
2. a kind of glass lifter diagnosis system according to claim 1 based on the LIN bus; It is characterized in that described each glass-frame riser module includes glass-frame riser and the ECU (electronic control unit) that is connected and can controls its work with glass-frame riser.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010255473A CN101930232B (en) | 2010-08-17 | 2010-08-17 | Window glass lifter diagnosis system based on LIN bus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010255473A CN101930232B (en) | 2010-08-17 | 2010-08-17 | Window glass lifter diagnosis system based on LIN bus |
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| Publication Number | Publication Date |
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| CN101930232A CN101930232A (en) | 2010-12-29 |
| CN101930232B true CN101930232B (en) | 2012-10-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201010255473A Expired - Fee Related CN101930232B (en) | 2010-08-17 | 2010-08-17 | Window glass lifter diagnosis system based on LIN bus |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107436235A (en) * | 2017-08-29 | 2017-12-05 | 芜湖莫森泰克汽车科技股份有限公司 | A kind of LIN modulars pinch resistant type glass lifter detector |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE112013006757B4 (en) * | 2013-03-01 | 2022-03-24 | Mitsubishi Electric Corporation | Data processing device and communication system |
| CN104253727B (en) * | 2013-06-26 | 2017-07-25 | 广州汽车集团股份有限公司 | The diagnostic method and its system of vehicle LIN networks |
| CN104932483A (en) * | 2015-05-28 | 2015-09-23 | 上海沪工汽车电器有限公司 | General assembly test method for CAN bus body controller |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101320269A (en) * | 2007-06-08 | 2008-12-10 | 联创汽车电子有限公司 | Car body control module with CAN diagnosis |
| CN101770234A (en) * | 2009-12-25 | 2010-07-07 | 奇瑞汽车股份有限公司 | Diagnostic system for car body controller based on SAEJ1939 |
| CN101799686A (en) * | 2009-12-25 | 2010-08-11 | 奇瑞汽车股份有限公司 | Vehicle-mounted diagnosis system |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009094748A (en) * | 2007-10-09 | 2009-04-30 | Calsonic Kansei Corp | Communication data diagnostic device |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101320269A (en) * | 2007-06-08 | 2008-12-10 | 联创汽车电子有限公司 | Car body control module with CAN diagnosis |
| CN101770234A (en) * | 2009-12-25 | 2010-07-07 | 奇瑞汽车股份有限公司 | Diagnostic system for car body controller based on SAEJ1939 |
| CN101799686A (en) * | 2009-12-25 | 2010-08-11 | 奇瑞汽车股份有限公司 | Vehicle-mounted diagnosis system |
Non-Patent Citations (1)
| Title |
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| JP特开2009-94748A 2009.04.30 |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107436235A (en) * | 2017-08-29 | 2017-12-05 | 芜湖莫森泰克汽车科技股份有限公司 | A kind of LIN modulars pinch resistant type glass lifter detector |
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| CN101930232A (en) | 2010-12-29 |
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