CN201707600U - Automobile diagnostic device - Google Patents
Automobile diagnostic device Download PDFInfo
- Publication number
- CN201707600U CN201707600U CN2010201193530U CN201020119353U CN201707600U CN 201707600 U CN201707600 U CN 201707600U CN 2010201193530 U CN2010201193530 U CN 2010201193530U CN 201020119353 U CN201020119353 U CN 201020119353U CN 201707600 U CN201707600 U CN 201707600U
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Abstract
The utility model relates to an automobile diagnostic device, which comprises a main unit, a bus connected with the main unit, and a plurality of automobile function diagnostic cases connected with the main unit in parallel through the bus. The main unit is provided with system software and automobile diagnostic software inside, the automobile function diagnostic cases are respectively connected onto the bus through corresponding USB data lines, a diagnostic case microprocessor unit, a plurality of communication modules electrically connected with the diagnostic case microprocessor unit and a communication interface are arranged inside each automobile function diagnostic case, and the automobile function diagnostic cases are connected with a diagnostic interface of an automobile to be diagnosed through the communication interfaces. The main unit is connected with the automobile function diagnostic cases through the bus, and the automobile diagnostic device not only can overcome the shortages of an integrated automobile failure diagnostic device, provide multiple assembly selections to an automobile maintenance technician and meet various requirements, but also can meet occasion of great data volume and high speed requirement of an automobile diagnostic advanced function.
Description
Technical field
The utility model relates to a kind of automotive diagnostic system, relates in particular to a kind of automotive diagnostic system by versabus linking number platform automotive diagnostic installation.
Background technology
Automobile is the most familiar, the modal vehicles of people, and it is bringing into play crucial effect in people's life.Although the automobile quality is different, and is various informative, they in use all various faults can occur inevitably, need in time to be got rid of or repair.Development and progress of science and technology along with society, the design of automobile has also more and more been adopted electronic technology, automatic technology and electronic computer technology with production, this makes the automaticity of automobile more and more higher on the one hand, performance is more superior, more convenient to operate flexible, also auto repair and detection are had higher requirement the maintenance needs that traditional manual monitoring and maintenance mode can not satisfy new automobile on the other hand.
Be accompanied by the develop rapidly of automobile automatic control technology, adopt the system of computer control more and more, vehicle structure also becomes increasingly complex, and the fault diagnosis of automobile also becomes and becomes increasingly complex, thereupon, the auto repair technician is increasing to the demand of fault detection system for automobile.Under this demand drives, the equipment development merchant has released the fault detection system for automobile various, that appearance style is different, these equipment have individual common characteristic, adopt incorporate structure exactly, display screen, operating means, communication module, control module, memory storage all concentrate in the hardware configuration.In the view of the auto repair technician, these equipment all are the autonomous devices that uses separately, by device systems and reside under the support of the automobile failure diagnosis software in the memory storage, finish the fault diagnosis task to automobile electric control system.The equipment of these integral structures can be finished the automobile failure diagnosis function really.The equipment of the detection of automobile, diagnosis aspect is also of a great variety, and price is not cheap.But present functions of the equipments are more single mostly, and method of operating has nothing in common with each other, and sometimes the maintenance technician need use several equipment to carry out comprehensive diagnos simultaneously and just can find the problem place.Like this, not only bring very high equipment cost and training cost, and be difficult to reach the synchronous coordination of a plurality of equipment when using very to maintenance depot.
The utility model content
The purpose of this utility model is, a kind of automotive diagnostic system is provided, it connects many automobile function diagnosis boxes with fault diagnosis functions by versabus, can solve the deficiency of all-in-one car failure diagnosis apparatus, put selection for the auto repair technician provides polygamy, satisfy its diversified demand.
For achieving the above object, the utility model provides a kind of automotive diagnostic system, it comprises: main frame, the bus that is connected with this main frame, and by parallel several the automobile function diagnosis boxes that are connected of this bus and main frame, be provided with system software and vehicle diagnosis software in this main frame, several automobile function diagnosis boxes are connected on the bus by the usb data line corresponding with it respectively, be provided with the diagnosis box microprocessing unit in this automobile function diagnosis box, with several communication modules and the communication interface that this diagnosis box microprocessing unit electrically connects, the diagnose interface that the automobile function diagnosis box is cut steam on the car by this communication interface and follow-up is connected.
The host communication interface of several driving circuits that described main frame comprises the microprocessor of a multiple operating system, electrically connect with this microprocessor, a real-time timepiece chip, several peripheral hardwares; This driving circuit connects a liquid crystal interface that contains touch-screen, an and hummer respectively, and the host communication interface comprises: USB HUB interface, RS232 interface, SDIO interface, CF interface, and jtag interface.
Be preset with test point on the described microprocessor, external detection equipment is debugged this test point by jtag interface.
Described several communication modules comprise USB/ bluetooth communication module, CAN communication module, K_Line communication module, reach the PWM/VPW communication module, these several communication modules all electrically connect with the diagnosis box microprocessing unit, also are connected with a logic between K_Line communication module and the diagnosis box microprocessing unit respectively and select module, reach level selection module.
Comprise also in the described automobile function diagnosis box that IO selects module and power module, this IO select module respectively with CAN communication module, K_Line communication module, PWM/VPW communication module, and communication interface electrically connect, power module respectively with USB/ bluetooth communication module, diagnosis box microprocessing unit, CAN communication module, IO select module, and communication interface electrically connect.
Described communication interface is the OBDII-16 communication interface, and this OBDII-16 communication interface one end also electrically connects with the diagnosis box microprocessing unit.
The beneficial effects of the utility model: the automotive diagnostic system that the utility model provides, its main frame connects many automobile function diagnosis boxes with fault diagnosis functions by versabus, main frame provides user interface, finish user interactions and information display function, and according to user's selection and automotive inspection equipment communication, the Control of Automobile checkout equipment is finished the fault diagnosis task at each position of automobile, automotive inspection equipment is responsible for finishing the data communication task with vehicle diagnosis interface reality, not only can solve the deficiency of all-in-one car failure diagnosis apparatus, for providing polygamy, the auto repair technician puts selection, satisfy its diversified demand, it is big to satisfy in the automobile failure diagnosis Premium Features data volume, the occasion high to rate request.
In order further to understand feature of the present utility model and technology contents, see also following about detailed description of the present utility model and accompanying drawing, yet accompanying drawing only provide with reference to and the explanation usefulness, be not to be used for the utility model is limited.
Description of drawings
Below in conjunction with accompanying drawing,, will make the technical solution of the utility model and other beneficial effects apparent by embodiment of the present utility model is described in detail.
In the accompanying drawing,
Fig. 1 is the physical arrangement synoptic diagram of the utility model automotive diagnostic system one embodiment;
Fig. 2 is the functional block diagram of main frame in the utility model;
Fig. 3 is the functional application structural drawing in the automotive diagnostic system course of work of the present utility model;
Fig. 4 is that the function of main frame one embodiment in the utility model realizes schematic diagram;
Fig. 5 is the hardware configuration synoptic diagram of automobile function diagnosis box in the utility model;
Fig. 6 is the Principle of Communication figure between main frame and the automobile function diagnosis box in the utility model.
Embodiment
For further setting forth the utility model is technological means and the effect that the predetermined purpose of realization is taked, see also following about detailed description of the present utility model and accompanying drawing, believe the purpose of this utility model, feature and characteristics, should obtain thus going deep into and concrete understanding, yet accompanying drawing only provides reference and explanation usefulness, is not to be used for the utility model is limited.
As Figure 1-3, the utility model provides a kind of automotive diagnostic system, it comprises: main frame 2, the bus 3 that is connected with this main frame 2, and several automobile function diagnosis boxes 4 walking abreast and be connected by this bus 3 and main frame 2, be provided with system software 22 and vehicle diagnosis software 24 in this main frame 2, several automobile function diagnosis boxes 4 are connected on the bus 3 by the usb data line 32 corresponding with it respectively, this usb data line 32 is selected shielding line for use, and its actuating signal and power supply are that the cable by a kind of four lines carries out.
Wherein, main frame 2 band Wi-fi network functions, it is responsible for user interactions, interface display reaches the Communication Control to automobile function diagnosis box 4, is provided with Windows/WinCE system software 22 in this main frame 2, and vehicle diagnosis software 24 is based on moving under this Windows/WinCE system environments.Include USB in this Windows/WinCE system software 22 and drive, automobile function diagnosis box 4 drives to utilize between usb data line 32 and the main frame 2 by this USB and carries out exchanges data.In the utility model, main frame 2 can be PC people's main frame or notebook computer, so not only can utilize existing resource, and when finishing the automobile failure diagnosis task, the individual affair of oneself be can also handle, and the processing power of PC people's main frame or notebook computer and the advantage on the storage space effectively utilized.As a kind of selectivity embodiment of the present utility model, can comprise vehicle option program 221 in this vehicle diagnosis software 24, download automobile function diagnosis box program 222, Read fault coded message program 223, clear malfunction coding program 224, time data stream information programme 225, motion test program 226, Flash ECU program 227, and numerous function programs such as functional application 228.In operational process, this vehicle diagnosis software 24 is as host process 25 operations, and the function process 26 that the numerous vehicle diagnosis function programs in it are different relatively respectively keeps relatively independent between the different function processes 26, but the look ﹠ feel of its operation is unified, mainly finishes data processor and shows.Especially, the data between this different function process 26 can be shared mutually, and the data of this part leave 27 li of the sharing data area of an appointment in the internal memory in certain format, operate for other function process.Wherein, host process 25 can start each function process 26 arbitrarily, and each function process 26 also can start other function process as required.In the utility model, the user can select certain function process to carry out work from host process separately according to the needs of oneself, also can in certain function process process, select other function process, and from sharing data area 27, access shared data and show, comprehensive reference, thus draw diagnostic result fast.
As shown in Figure 4, the function that is one embodiment of main frame in the utility model realizes schematic diagram, the host communication interface of several driving circuits 211,212 that this main frame 2 comprises the microprocessor 20 of a multiple operating system, electrically connect with this microprocessor 20, a real-time timepiece chip (RTC) 213, several peripheral hardwares; This driving circuit 211,212 connects a liquid crystal interface 210 that contains touch-screen, an and hummer 220 respectively, and the host communication interface comprises: USB HUB interface 222, RS232 interface 223, SDIO interface 224, CF interface 225, and jtag interface 226.In the utility model embodiment, this microprocessor 20 uses the OMAP3503 processor, and the CPU of this OMAP3503 processor is ARM Cortex-A8, and its dominant frequency can be finished complicated data processing and computing at a high speed up to 600MHz.Be preset with test point (not shown) on this microprocessor 20, external detection equipment is debugged by 226 pairs of these test points of jtag interface.
As shown in Figure 5, automobile function diagnosis box 4 of the present utility model is provided with diagnosis box microprocessing unit 41, several communication modules and communication interface 42 with these diagnosis box microprocessing unit 41 electric connections, the diagnose interface 6 that automobile function diagnosis box 4 is cut steam on the car by this communication interface 42 and follow-up is connected, these several communication modules comprise USB/ bluetooth communication module 43, CAN communication module 44, K_Line communication module 45, and PWM/VPW communication module 46, these several communication modules all electrically connect with diagnosis box microprocessing unit 41, also are connected with a logic between K_Line communication module 45 and the diagnosis box microprocessing unit 41 respectively and select module 47, and level is selected module 48.Further, comprise also in the automobile function diagnosis box 4 that IO selects module 49 and power module 40, this IO select module 49 respectively with CAN communication module 44, K_Line communication module 45, PWM/VPW communication module 46, and communication interface 42 electrically connect, power module 40 respectively with USB/ bluetooth communication module 43, diagnosis box microprocessing unit 41, CAN communication module 44, IO select module 49, and communication interface 42 electrically connect.Wherein, diagnosis box microprocessing unit 41 is main control modules, it is used for, and completion logic is selected, IO selects, the realization of level control enclosure communications protocol, communication interface 42 is the OBDII-16 communication interface, this OBDII-16 communication interface one end also electrically connects with diagnosis box microprocessing unit 41, and this OBDII-16 communication interface is used for and being connected of OBDII standard automobile diagnose interface 6.Several communication modules can satisfy the requirement of common automobile failure diagnosis communications protocol Physical layer, and wherein, USB/ bluetooth communication module 43 is in order to realize USB or the Bluetooth transmission between automobile function diagnosis box 4 and the main frame 2; CAN communication module 44 is used for realizing the diagnostic function of SAE/J1939 agreement; K_Line communication module 45 is used for realizing the diagnostic function of ISO9141-2, KWP2000, BOSCH agreement; PWM/VPW communication module 46 is used for realizing the diagnostic function of SAEJ1850PWM/VPW agreement.Logic selects module 47 to have positive and negative logic selection function, its be used for realizing the K-Line communication just/negative logic selects; Level selects module 48 can satisfy the diagnosis of 12/24V battery system, possesses 12V/24V level selection function, and it is used for realizing the communication level selection of K-Line communication; IO selects module 49 to be used for realizing the selection of diagnosis communication input and output pin, and the IO of the IO of its CAN communication module 44 and K_Line communication module 45 is optional arbitrarily, realizes the diagnosis of all OBDII by the OBDII-16 communication interface; Power module 40 will be automobile function diagnosis box 4 needed voltages from the 12/24V voltage transformation of vehicle diagnosis interface 6, use for other functional module.
As shown in Figure 6, be the Principle of Communication figure between main frame in the utility model 2 and the automobile function diagnosis box 4, this figure can illustrate clearly that data are how to transmit between the core buffer in main frame 2 and the automobile function diagnosis box 4: because usb data line 32 is for the vehicle diagnosis software 24 of main frame 2 and the communication service between the USB application apparatus, to the user with use between different mutual, this USB application apparatus has different requirements to data stream.In the utility model, the USB that comprises in the Windows/WinCE system software 22 drives to communicating by letter between main frame 2 and the automobile function diagnosis box 4 provides better overall bus use, and it allows various data stream to enter an automobile function diagnosis box 4 independently of each other.Every kind of communication stream has all taked certain bus access method to finish communicating by letter between vehicle diagnosis software 24 and the automobile function diagnosis box 4 on the main frame 2, each communication all is certain end points end at automobile function diagnosis box 4, and the different end points of different automobile function diagnosis boxes are used to distinguish different communication stream.The interior vehicle diagnosis software 24 of main frame 2 communicates by a series of communication stream and automobile function diagnosis box 4, these a series of communication stream are to be selected by the software and hardware deviser of automobile function diagnosis box 4, make this automobile function diagnosis box 4 that the character that is provided by usb data line 32 can be provided.
In sum, the automotive diagnostic system that the utility model provides, its main frame connects many automobile function diagnosis boxes with fault diagnosis functions by versabus, main frame provides user interface, finish user interactions and information display function, and according to user's selection and automotive inspection equipment communication, the Control of Automobile checkout equipment is finished the fault diagnosis task at each position of automobile, automotive inspection equipment is responsible for finishing the data communication task with vehicle diagnosis interface reality, not only can solve the deficiency of all-in-one car failure diagnosis apparatus, for providing polygamy, the auto repair technician puts selection, satisfy its diversified demand, it is big to satisfy in the automobile failure diagnosis Premium Features data volume, the occasion high to rate request.
The above; it only is preferred embodiment of the present utility model; for the person of ordinary skill of the art; can make other various corresponding changes and distortion according to the technical scheme and the technical conceive of this aspect, and all these changes and distortion all should belong to the protection domain of the utility model claim.
Claims (6)
1. automotive diagnostic system, it is characterized in that, comprise main frame, the bus that is connected with this main frame, and by parallel several the automobile function diagnosis boxes that are connected of this bus and main frame, be provided with system software and vehicle diagnosis software in this main frame, several automobile function diagnosis boxes are connected on the bus by the usb data line corresponding with it respectively, be provided with the diagnosis box microprocessing unit in this automobile function diagnosis box, with several communication modules and the communication interface that this diagnosis box microprocessing unit electrically connects, the diagnose interface that the automobile function diagnosis box is cut steam on the car by this communication interface and follow-up is connected.
2. automotive diagnostic system as claimed in claim 1 is characterized in that, the host communication interface of several driving circuits that described main frame comprises the microprocessor of a multiple operating system, electrically connect with this microprocessor, a real-time timepiece chip, several peripheral hardwares; This driving circuit connects a liquid crystal interface that contains touch-screen, an and hummer respectively, and the host communication interface comprises: USB HUB interface, RS232 interface, SDIO interface, CF interface, and jtag interface.
3. automotive diagnostic system as claimed in claim 2 is characterized in that, is preset with test point on the described microprocessor, and external detection equipment is debugged this test point by jtag interface.
4. automotive diagnostic system as claimed in claim 1, it is characterized in that, described several communication modules comprise USB/ bluetooth communication module, CAN communication module, K_Line communication module, reach the PWM/VPW communication module, these several communication modules all electrically connect with the diagnosis box microprocessing unit, also are connected with a logic between K_Line communication module and the diagnosis box microprocessing unit respectively and select module, reach level selection module.
5. automotive diagnostic system as claimed in claim 4, it is characterized in that, comprise also in the described automobile function diagnosis box that IO selects module and power module, this IO select module respectively with CAN communication module, K_Line communication module, PWM/VPW communication module, and communication interface electrically connect, power module respectively with USB/ bluetooth communication module, diagnosis box microprocessing unit, CAN communication module, IO select module, and communication interface electrically connect.
6. automotive diagnostic system as claimed in claim 5 is characterized in that, described communication interface is the OBDII-16 communication interface, and this OBDII-16 communication interface one end also electrically connects with the diagnosis box microprocessing unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201193530U CN201707600U (en) | 2010-02-12 | 2010-02-12 | Automobile diagnostic device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201193530U CN201707600U (en) | 2010-02-12 | 2010-02-12 | Automobile diagnostic device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201707600U true CN201707600U (en) | 2011-01-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201193530U Expired - Fee Related CN201707600U (en) | 2010-02-12 | 2010-02-12 | Automobile diagnostic device |
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| Country | Link |
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| CN (1) | CN201707600U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102529853A (en) * | 2012-03-08 | 2012-07-04 | 深圳市领华卫通数码科技有限公司 | Automobile diagnosis system and rearview mirror |
| CN103921743A (en) * | 2014-05-08 | 2014-07-16 | 长春工业大学 | Automobile running working condition judgment system and judgment method thereof |
| CN105209310A (en) * | 2013-03-15 | 2015-12-30 | 博世汽车服务解决方案公司 | Diagnostic tool with a plurality of operating systems |
| CN109407656A (en) * | 2018-12-29 | 2019-03-01 | 深圳市道通科技股份有限公司 | The scan method and its automotive diagnostic installation of electronic control unit in vehicle |
| WO2022268100A1 (en) * | 2021-06-23 | 2022-12-29 | 中国第一汽车股份有限公司 | Diagnosis system and method for vehicle central controller |
-
2010
- 2010-02-12 CN CN2010201193530U patent/CN201707600U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102529853A (en) * | 2012-03-08 | 2012-07-04 | 深圳市领华卫通数码科技有限公司 | Automobile diagnosis system and rearview mirror |
| CN105209310A (en) * | 2013-03-15 | 2015-12-30 | 博世汽车服务解决方案公司 | Diagnostic tool with a plurality of operating systems |
| CN105209310B (en) * | 2013-03-15 | 2017-03-22 | 博世汽车服务解决方案公司 | Diagnostic tool with a plurality of operating systems |
| CN103921743A (en) * | 2014-05-08 | 2014-07-16 | 长春工业大学 | Automobile running working condition judgment system and judgment method thereof |
| CN103921743B (en) * | 2014-05-08 | 2016-02-03 | 长春工业大学 | Automobile running working condition judgement system and method for discrimination thereof |
| CN109407656A (en) * | 2018-12-29 | 2019-03-01 | 深圳市道通科技股份有限公司 | The scan method and its automotive diagnostic installation of electronic control unit in vehicle |
| WO2022268100A1 (en) * | 2021-06-23 | 2022-12-29 | 中国第一汽车股份有限公司 | Diagnosis system and method for vehicle central controller |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110112 Termination date: 20190212 |