CN201707601U - Automobile diagnosis system based on general bus paralleling - Google Patents
Automobile diagnosis system based on general bus paralleling Download PDFInfo
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- CN201707601U CN201707601U CN2010201193672U CN201020119367U CN201707601U CN 201707601 U CN201707601 U CN 201707601U CN 2010201193672 U CN2010201193672 U CN 2010201193672U CN 201020119367 U CN201020119367 U CN 201020119367U CN 201707601 U CN201707601 U CN 201707601U
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Abstract
The utility model relates to an automobile diagnosis system based on general bus paralleling, which comprises an upper computer and a plurality of lower computers, wherein the lower computers are connected in parallel with the upper computer via data buses. The upper computer is provided with system software and a plurality of application software with different functions, communication interfaces are arranged on the upper computer, the lower computers are electrically connected with the communication interfaces via the data buses, and the lower computers include a plurality of functional control modules with different functions, the different functional control modules corresponds to the application software with different functions, data interfaces are arranged inside the functional control module, and the functional control modules are connected with diagnosis interfaces on an automobile to be diagnosed via respective data interfaces. The upper computer and the lower computers are connected in parallel via the USB data buses, and the upper computer is communicated with one of the lower computers according to choice of a user to control the lower computer to complete automobile fault diagnosis. The automobile diagnosis system not only can overcome the shortcomings of an integral automobile fault diagnosis device, meets diversified needs, but also can meet the requirements of occasions with large data volume and higher speed requirements in automobile fault diagnosis advanced functions.
Description
Technical field
The utility model relates to a kind of automotive diagnostic system, relates in particular to a kind of automotive diagnostic system based on universal bus parallelism.
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 based on universal bus parallelism is provided, this system is by adopting the structural design of upper and lower computer, can solve the deficiency of all-in-one car fault detection system for automobile, put selection for the auto repair technician provides polygamy, satisfy big, the high occasion of data volume in the automobile failure diagnosis Premium Features rate request.
For achieving the above object, the utility model provides a kind of automotive diagnostic system based on universal bus parallelism, it comprises: comprise host computer, and by parallel several the slave computers that are connected of data bus and this host computer, be provided with the application software of system software and a plurality of difference in functionalitys in this host computer, host computer is provided with communication interface, several slave computers all electrically connect by data bus and communication interface, this slave computer has the functional control module of difference in functionality for several, different functional control modules in host computer to the application software of difference in functionality should be arranged, be equipped with data-interface in this each functional control module, this functional control module data-interface by separately and follow-up diagnose interface of cutting steam on the car respectively is connected.
System software in the described host computer is the Windows/WinCE system software, application software is based on moving under this Windows/WinCE system environments, and this application software comprises self-defined desktop programs, vehicle diagnosis software, automobile oscillograph software, car engine ignition analysis software, automobile sensor simulation test software, automobile multimeter software, four-wheel positioning software, repair information storehouse, the Internet access program, reaches printer software.
Comprise vehicle option program, download program of lower computer, Read fault coded message program, clear malfunction coding program, time data stream information programme, motion test program, Flash ECU program in the described vehicle diagnosis software, reach functional application.
Include USB in the described Windows/WinCE system software and drive, slave computer drives to utilize by this USB and carries out exchanges data between usb data bus and the host computer.
Also comprise main control module, public module, communication protocol module, data analysis processing module, and control command/data acquisition module in the described host computer, each slave computer feeds back to host computer by communication interface with the cut steam information of vehicles of car of the follow-up of gathering.
Described slave computer is several functional control modules with difference in functionality, and the diagnose interface that this slave computer is cut steam on the car by a diagnostics lines and follow-up is connected; This functional control module comprises automobile function diagnosis box, engine ignition analysis oscillograph, Sensor Analog Relay System multimeter, automobile four-wheel positioning box, reaches one or more combinations in the printer.
Several communication modules and the diagnosis communication interface that are provided with the diagnosis box microprocessing unit in the described automobile function diagnosis box, electrically connect with this diagnosis box microprocessing unit, the diagnose interface that the automobile function diagnosis box is cut steam on the car by this diagnosis communication interface and follow-up is connected.
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 slave computer 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 based on universal bus parallelism, it is by adopting the structural design of upper and lower computer, realize parallel the connection by the usb data line between host computer and several the slave computers, slave computer is connected by diagnostics lines with diagnose interface on the automobile; Host computer provides user interface, finish user interactions and information display function, and according to user's selection and slave computer communication, the control slave computer is finished the automobile failure diagnosis task, slave computer 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, can also satisfy big, the high occasion of data volume in the automobile failure diagnosis Premium Features 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 structural representation of the utility model based on the automotive diagnostic system of universal bus parallelism;
Fig. 2 is the physical arrangement synoptic diagram of the utility model based on automotive diagnostic system one specific embodiment of universal bus parallelism;
Fig. 3 is the functional block diagram of the utility model based on automotive diagnostic system one specific embodiment of universal bus parallelism;
Fig. 4 is the whole software structure synoptic diagram of the utility model based on automotive diagnostic system one specific embodiment of universal bus parallelism;
Fig. 5 is that the function of host computer one embodiment in the utility model realizes schematic diagram;
Fig. 6 is the hardware configuration synoptic diagram of automobile function diagnosis box in the utility model;
Fig. 7 is the Principle of Communication figure between host computer and the automobile function diagnosis box in the utility model;
Fig. 8 analyzes oscillographic hardware configuration synoptic diagram for engine ignition in the utility model;
Fig. 9 is the hardware configuration synoptic diagram of Sensor Analog Relay System multimeter in the utility model;
Figure 10 is the hardware configuration synoptic diagram of printer 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.
Shown in Fig. 1-4, the utility model provides a kind of automotive diagnostic system based on universal bus parallelism, it comprises: host computer 2, and by data bus 3 and these host computer 2 parallel several slave computers 4 that are connected, be provided with the application software 24 of system software 23 and a plurality of difference in functionalitys in this host computer 2, host computer 2 is provided with communication interface 22, several slave computers 4 all electrically connect by data bus 3 and communication interface 22, this data bus 3 is general usb data bus 3, here we can select shielding line for use, and its actuating signal and power supply are that the cable by a kind of four lines carries out.
Wherein, host computer 2 is responsible for user interactions, interface display reaches the Communication Control to slave computer 4, is provided with Windows/WinCE system software 23 in this host computer 2, and application software 24 is based on moving under this Windows/WinCE system environments.Include USB in this Windows/WinCE system software 23 and drive, slave computer 4 drives to utilize between usb data bus 3 and the host computer 2 by this USB and carries out exchanges data.In the utility model, host computer 2 can be PC people's host computer 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 host computer or notebook computer and the advantage on the storage space effectively utilized.As a kind of selectivity embodiment of the present utility model, this application software 24 comprises self-defined desktop programs, vehicle diagnosis software 242, automobile oscillograph software 243, car engine ignition analysis software 244, automobile sensor simulation test software 245, automobile multimeter software 246, four-wheel positioning software 247, repair information storehouse, the Internet access program, reaches printer software 248.Can comprise vehicle option program, download program of lower computer, Read fault coded message program, clear malfunction coding program, time data stream information programme, motion test program, Flash ECU program in this vehicle diagnosis software 242 again, reach functional application.Because the setting of above-mentioned application software 24, make that this automotive diagnostic system has simultaneously that diagnosis box 201, Sensor Analog Relay System 202, multimeter 203, engine ignition analyze 204, printer 205, oscillograph 206, network function 207, and numerous application functions (shown in Figure 3) such as repair information storehouse 208.Further, as shown in Figure 4, include main control module 251, public module 252, communication protocol module 253, data analysis processing module 254, and control command/data acquisition module 255 in host computer 2 systems, slave computer 4 feeds back to host computer 2 by communication interface 22 with the cut steam information of vehicles of car of the follow-up of gathering.Automotive diagnostic system based on universal bus parallelism of the present utility model is based on self-defining communications protocol, host computer 2 is by calling the communication function in the public module 252 communication storehouses, USB/Bluetooth/CommPort communication interface 257 by Communication Layer 256 carries out communication with slave computer 4, adopt primary and secondary structure between several slave computers 4 and the host computer 2, the originating end of communication is a host computer 2, for the control command of sending, slave computer 4 is explained and executable operations, when carrying out the data acquisition tasks, the data of gathering will return to host computer and carry out analyzing and processing, and the structure of handling (numerical value or waveform) is shown on display interface.In software running process, this vehicle diagnosis software 242 is as the host process operation, and the function process that the numerous vehicle diagnosis function programs in it are different relatively respectively keeps relatively independent between the different function processes, but the look ﹠ feel of its operation is unified, mainly finishes data processing and demonstration.Especially, the data between this different function process can be shared mutually, and the data of this part leave in certain format in the sharing data area of an appointment in the internal memory, operate for other function process.
In the utility model, slave computer 4 is for having several functional control modules of difference in functionality, different functional control modules in host computer 2 to the application software of difference in functionality should be arranged, be equipped with data-interface 40 and power interface in this each functional control module, this functional control module diagnose interface 6 of cutting steam on the car by a diagnostics lines 62 and follow-up of the data-interface by separately respectively is connected.This functional control module can comprise automobile function diagnosis box 41, engine ignition analysis oscillograph 42, Sensor Analog Relay System multimeter 43, automobile four-wheel positioning box 44, reach one or more combinations in the printer 45 among the utility model embodiment, this each functional control module can be distinguished separate connection on host computer 2, and these several functional control modules and host computer 2 are all powered by external power supply 8.Host computer 2 is given automobile function diagnosis box 41 by transmitting control commands, starts vehicle diagnosis software 242; Host computer 2 is analyzed oscillograph 42, engine ignition analysis oscillograph 42, Sensor Analog Relay System multimeter 43 or automobile four-wheel positioning box 44 by transmitting control commands to engine ignition, to carry out data acquisition, and accept to gather the data of returning, it is analyzed, the result that analyzes with plotting mode, is shown in the interface display zone; Host computer 2 gives Sensor Analog Relay System multimeter 43 to carry out setting data output by transmitting control commands, and the data waveform with output shows in the interface display zone simultaneously.During above-mentioned upper and lower computer communication, carry out data interaction according to designated communication word and communication format, its rules of interaction is: host computer sends data, and slave computer must feed back it, otherwise be considered as Communications failure (hardware connection error), out of Memory obtains from feedback information.This upper and lower computer is formed host-guest architecture, and slave computer is just carried out acquisition tasks after receiving the control command that host computer is sent.
As shown in Figure 5, the function that is 2 one embodiment of host computer in the utility model realizes schematic diagram, the communication interface 22 of several driving circuits 211,212 that this host computer 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 this communication interface 22 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 6, be provided with diagnosis box microprocessing unit 410 in the automobile function diagnosis box 41 of the present utility model, several communication modules and diagnosis communication interface 411 with these diagnosis box microprocessing unit 410 electric connections, the diagnose interface of cutting steam on the car by this diagnosis communication interface 411 and follow-up in the automobile function diagnosis box 41 is connected, these several communication modules comprise USB/ bluetooth communication module 412, CAN communication module 413, K_Line communication module 414, and PWM/VPW communication module 415, these several communication modules all electrically connect with diagnosis box microprocessing unit 410, also are connected with a logic between K_Line communication module 414 and the diagnosis box microprocessing unit 410 respectively and select module 416, and level is selected module 417.Further, comprise also in the automobile function diagnosis box 41 that IO selects module 418 and power module 419, this IO select module 418 respectively with CAN communication module 413, K_Line communication module 414, PWM/VPW communication module 415, and diagnosis communication interface 411 electrically connect, power module 419 respectively with USB/ bluetooth communication module 412, diagnosis box microprocessing unit 410, CAN communication module 413, IO select module 418, and diagnosis communication interface 411 electrically connect.Wherein, diagnosis box microprocessing unit 410 is main control modules, it is used for, and completion logic is selected, IO selects, the realization of level control enclosure communications protocol, diagnosis communication interface 411 is the OBDII-16 communication interface, this OBDII-16 communication interface one end also electrically connects with diagnosis box microprocessing unit 410, and this OBDII-16 communication interface is used for and being connected of OBDII standard automobile diagnose interface.Several communication modules can satisfy the requirement of common automobile failure diagnosis communications protocol Physical layer, and wherein, USB/ bluetooth communication module 412 is in order to realize USB or the Bluetooth transmission between automobile function diagnosis box 41 and the host computer 2; CAN communication module 413 is used for realizing the diagnostic function of SAE/J1939 agreement; K_Line communication module 414 is used for realizing the diagnostic function of ISO9141-2, KWP2000, BOSCH agreement; PWM/VPW communication module 415 is used for realizing the diagnostic function of SAE J1850PWM/VPW agreement.Logic selects module 416 to have positive and negative logic selection function, its be used for realizing the K-Line communication just/negative logic selects; Level is selected its 417 diagnosis that can satisfy the 12/24V battery system of module, possesses 12V/24V level selection function, and it is used for realizing that the communication level of K-Line communication selects; IO selects module 418 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 413 and K_Line communication module 414 is optional arbitrarily, realizes the diagnosis of all OBDII by the OBDII-16 communication interface; Power module 419 will be automobile function diagnosis box 41 needed voltages from the 12/24V voltage transformation of vehicle diagnosis interface, use for other functional module.
As shown in Figure 7, for host computer in the utility model and as the Principle of Communication figure between the automobile function diagnosis box of slave computer, this figure can illustrate clearly that data are how to transmit between the core buffer in host computer 2 and the automobile function diagnosis box 41: because the usb data bus is for the vehicle diagnosis software 242 of host computer 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 23 drives to communicating by letter between host computer 2 and the automobile function diagnosis box 41 provides better overall bus use, and it allows various data stream to enter an automobile function diagnosis box 41 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 242 and the automobile function diagnosis box 41 on the host computer 2, each communication all is certain end points end at automobile function diagnosis box 41, and the different end points of different automobile function diagnosis boxes are used to distinguish different communication stream.The interior vehicle diagnosis software 242 of host computer 2 communicates by a series of communication stream and automobile function diagnosis box 41, this a series of communication stream is to be selected by the software and hardware deviser of automobile function diagnosis box 41, makes this automobile function diagnosis box 41 that the character that is provided by the usb data bus can be provided.
As shown in Figure 8, engine ignition analysis oscillograph 42 comprises a programmable logic controller (PLC) (FPGA) 421 in the utility model, has peak detection block in this programmable logic device (PLD) 421, the control register module, the module of setting out, the passage control module, the sample frequency generation module, and bus management module, this FPGA is electrically connected with a signal condition passage 422 respectively by the A/D conversion, 423, also be electrically connected with display-memory 424 on this FPGA, random access memory 425 (RAM-randomaccess memory), ARM (Advanced RISC Machines) or DSP microprocessor 426, and USB2.0 interface 427, these USB2.0 interface 427 inner and microprocessor 426 electric connections also are provided with RS232 interface 428 on the microprocessor 426.This two signal conditions passage 422,423 all electrically connects with FPGA by trigger circuit 429, this two signal conditions passage 422,423 mainly is made of links such as impedance conversion, decay, amplification, inside and outside synchronous amplification switchings, and it finishes the bandwidth system to the program-controlled conditioning of input simulating signal.This engine ignition is analyzed oscillograph 42 is finished the reading of passage control, data acquisition control, sampled data, waveform storage and demonstration, sampled data by the data processing of ARM or DSP microprocessor 426 functions such as amalgamation, calculating, the data that signal processing is sent here show on display at last, make waveform carry out display analysis by the keyboard setting, and pass a main signal to system by the operation requirement according to user of service's requirement.
As shown in Figure 9, Sensor Analog Relay System multimeter 43 comprises a micro-control unit (MCU) or programmable logic controller (PLC) (FPGA) 432 in the utility model, electrically connect a multimeter 434, sensor assembly 435 on it, this MCU/FPGA electrically connects with the power supply 436 of 12V/24V and usb data interface 437 respectively, and the usb data line is connected on the communication interface with pc 22 by this usb data interface 437.These Sensor Analog Relay System multimeter 43 main two parts functions that realize, one is the function of multimeter of vehicle, realizes the measurement to signals of vehicles; It two is the analog functuion of sensor, the sensor signal of main simulating vehicle, and this sensor signal is mainly unlike signals such as level signal, frequency signal and impedance signal.This Sensor Analog Relay System multimeter 43 is operated by the order data of communication interface with pc 22 transmission, again with the data that obtain with usb data stream pass to host computer 2 in form, carry out function by the programs in host computer 2 application software 24 and show.
As shown in figure 10, printer 45 can carry out on-line communication with host computer 2 by the USB interface 452 of standard in the utility model, and it also can carry out on-line communication with the PC that has standard USB interface.The printer module 450 of this printer 45 comprises communication unit 454, control module 455, Power Management Unit 456 and 457 4 parts of printhead altogether.The MCU of the USB interface 452 of the application software 24 of host computer 2 by communication unit 454 and control module 455 sets up online, and transmission control command or print data.The software of printer module 450 is analyzed after obtaining the data that host computer 2 transmits, if control command is then done corresponding action; If print data is then taken out the corresponding graphemic code of each character, and changed, the row buffer that is sent to printhead 457 then prints.
In sum, the automotive diagnostic system that the utility model provides based on universal bus parallelism, it realizes parallel connect by the usb data line by adopting the structural design of upper and lower computer between host computer and several slave computers, and slave computer is connected by diagnostics lines with diagnose interface on the automobile; Host computer provides user interface, finish user interactions and information display function, and according to user's selection and slave computer communication, the control slave computer is finished the automobile failure diagnosis task, slave computer 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, can also satisfy big, the high occasion of data volume in the automobile failure diagnosis Premium Features 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 (7)
1. automotive diagnostic system based on universal bus parallelism, it is characterized in that, comprise host computer, and by parallel several the slave computers that are connected of data bus and this host computer, be provided with the application software of system software and a plurality of difference in functionalitys in this host computer, host computer is provided with communication interface, several slave computers all electrically connect by data bus and communication interface, this slave computer has the functional control module of difference in functionality for several, different functional control modules in host computer to the application software of difference in functionality should be arranged, be equipped with data-interface in this each functional control module, this functional control module data-interface by separately and follow-up diagnose interface of cutting steam on the car respectively is connected.
2. the automotive diagnostic system based on universal bus parallelism as claimed in claim 1, it is characterized in that, also comprise main control module, public module, communication protocol module, data analysis processing module, and control command/data acquisition module in the described host computer, each slave computer feeds back to host computer by communication interface with the cut steam information of vehicles of car of the follow-up of gathering.
3. the automotive diagnostic system based on universal bus parallelism as claimed in claim 2 is characterized in that, described slave computer is several functional control modules with difference in functionality, and the diagnose interface that this slave computer is cut steam on the car by a diagnostics lines and follow-up is connected; This functional control module comprises automobile function diagnosis box, engine ignition analysis oscillograph, Sensor Analog Relay System multimeter, automobile four-wheel positioning box, reaches one or more combinations in the printer.
4. the automotive diagnostic system based on universal bus parallelism as claimed in claim 3, it is characterized in that, several communication modules and the diagnosis communication interface that are provided with the diagnosis box microprocessing unit in the described automobile function diagnosis box, electrically connect with this diagnosis box microprocessing unit, the diagnose interface that the automobile function diagnosis box is cut steam on the car by this diagnosis communication interface and follow-up is connected.
5. the automotive diagnostic system based on universal bus parallelism as claimed in claim 4, 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.
6. the automotive diagnostic system based on universal bus parallelism as claimed in claim 5, it is characterized in that, comprise also in the described slave computer 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.
7. the automotive diagnostic system based on universal bus parallelism as claimed in claim 6 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.
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| CN2010201193672U CN201707601U (en) | 2010-02-12 | 2010-02-12 | Automobile diagnosis system based on general bus paralleling |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101807068A (en) * | 2010-02-12 | 2010-08-18 | 深圳市元征软件开发有限公司 | Universal bus parallelism-based vehicle diagnosis system and method |
| CN102508486A (en) * | 2011-11-09 | 2012-06-20 | 李伟 | Method and device for diagnosing excitation fault by using controller area network (CAN) communication data protocol |
| CN103941696A (en) * | 2014-04-24 | 2014-07-23 | 安徽安凯汽车股份有限公司 | Position recognition system of vehicle universal bus module and recognition method of position recognition system |
| CN109814415A (en) * | 2017-11-20 | 2019-05-28 | 伍艾信息科技（上海）有限公司 | An IoT system based on USB connection |
| CN110703736A (en) * | 2019-10-24 | 2020-01-17 | 深圳市道通科技股份有限公司 | Automobile diagnosis device, system and method |
| CN110716535A (en) * | 2019-11-06 | 2020-01-21 | 深圳市道通科技股份有限公司 | A vehicle diagnostic equipment, system and method |
| CN111983999A (en) * | 2020-09-08 | 2020-11-24 | 上海星融汽车科技有限公司 | Central ECU development test system |
| CN114610004A (en) * | 2022-05-10 | 2022-06-10 | 深圳市星卡软件技术开发有限公司 | Method and device for testing circuit fault of automobile and computer equipment |
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2010
- 2010-02-12 CN CN2010201193672U patent/CN201707601U/en not_active Expired - Fee Related
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101807068A (en) * | 2010-02-12 | 2010-08-18 | 深圳市元征软件开发有限公司 | Universal bus parallelism-based vehicle diagnosis system and method |
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