CN202120052U - Intelligent fault diagnosis and driving behavior analysis running controller - Google Patents
Intelligent fault diagnosis and driving behavior analysis running controller Download PDFInfo
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- CN202120052U CN202120052U CN2011200701060U CN201120070106U CN202120052U CN 202120052 U CN202120052 U CN 202120052U CN 2011200701060 U CN2011200701060 U CN 2011200701060U CN 201120070106 U CN201120070106 U CN 201120070106U CN 202120052 U CN202120052 U CN 202120052U
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Abstract
The utility model discloses an intelligent fault diagnosis and driving behavior analysis running controller, which mainly consists of a microcontroller, a CAN (controller area network) driver, a K-line driver, a data storage unit and a man-machine communication unit. The microcontroller is connected with a vehicle diagnosis interface via the K-line driver, and vehicle fault information is displayed on an LCD (liquid crystal display) of the man-machine communication unit by the aid of the microcontroller and the man-machine communication unit. A controller area network module of the microcontroller is connected with the vehicle diagnosis interface by the aid of the CAN driver and acquires state information in real time, an I/O (input/output) port of the microcontroller is connected with the data storage unit, and acquired information is stored into the external data storage unit in a regular format. Functions of real-time data acquiring and storage of the integral vehicle are realized so that incorrect driving behaviors of a driver can be corrected in time, and simultaneously, truthful data basis is provided for accurate fault repairing.
Description
Technical field
The utility model discloses a kind of intelligent trouble diagnosis and the driving controller is analyzed in driving behavior, belongs to automobile travel recorder, the vehicle-borne diagnosis instrument field.
Background technology
At present, existing automobile travel recorder mainly possesses following function: status informations such as record, store car travelling speed, time, mileage, main application are that containment overspeed of vehicle, fatigue are gone, and guarantee traffic safety etc.But when vehicle breaks down; Registering instrument can not carry out self diagnosis, can not in time give the driver failure message instant playback, causes some potential safety hazards; Particularly long-distance vehicle in use; Because roadside breakdown not only influences individual's economic benefit, influence the traffic conditions in local highway section in the way toward the contact meeting, and the recorded information content for efficiently and accurately maintenance fix a breakdown and do not have help basically.
Present stage, a lot of vehicles in use were such as the logistics transport vehicle; There is the phenomenon of making a false report oil consumption in enterprises and institutions' regular buses etc., and specific practice is to make a false report hundred kilometers benchmark oil consumption of vehicle, and the benchmark oil consumption is improved; The difference of itself and practical oil consumption is pocketed, bring loss for other people or country.The leak that this phenomenon is bored promptly is the true oil consumption that simple mileage of traditional record appearance and velocity information can not draw vehicle.
Summary of the invention
The utility model discloses a kind of intelligent trouble diagnosis and driving behavior and analyze the driving controller, services such as distance travelled, time keeping, fault diagnosis, driving behavior analysis are provided for vehicle.
The technical solution of the utility model is following: mainly constitutes by microcontroller, CAN driver, K driver, data-carrier store, man-machine crosspoint, wherein,
UART Universal Asynchronous Receiver Transmitter (UART) module of microcontroller (MCU) is connected with the vehicle diagnosis interface through the K line drive; The DTC that reads in the vehicle motor ECU is resolved; The simulation SPI mouth and the man-machine interaction unit of microcontroller (MCU) are presented at vehicle trouble information on the LCD display of man-machine interaction unit; Controller local area network (CAN) module of microcontroller (MCU) is connected with the vehicle diagnosis interface through the CAN driver; Collection vehicle real-time status information; The I/O mouth of microcontroller (MCU) is connected with data-carrier store, and the information of gathering is stored in the external data memory by set form; Microcontroller (MCU) also is provided with USB interface can be with being stored in copying data in the data-carrier store in USB flash disk; Microcontroller (MCU) also is provided with the SPI mouth can be with copying data in the TF card.
The concrete structure of the utility model intelligent trouble diagnosis and driving behavior analysis driving controller is following:
The Vs of K driver is connected completion K line level transmissions with the power line of vehicle diagnosis interface respectively with the K line with the K line; K driver received signal pin RX is connected with transmission signal pins TXD1 with the received signal pin RXD1 of microprocessor MCU respectively with transmission signal pins TX; Realize the Transistor-Transistor Logic level transmission of K line, by the DTC in the level signal transmission vehicle motor ECU;
The CANH end of CAN driver is connected the differential level transmission of accomplishing the CAN line with the CANH line of vehicle diagnosis interface respectively with the CANL end with the CANL line; The signal of CAN driver receives pin RXD and sends pin TXD is connected completion CAN line respectively with CAN signal transmission pin TXCAN with the CAN signal reception pin RXCAN of MCU Transistor-Transistor Logic level transmission, collection vehicle real-time status information with signal;
The mode of emulation bus is adopted in the control of data-carrier store (Flash); Its write-protect line WP, address function enable line ALE, command operation enable line CLE, read enable line RE, write enable line WE, preparation/busy output line R/B, chip enable line CE be connected with the pin P1.0 to P1.6 of MCU respectively and accomplish the control line function that Flash operates; Data input/output line D0 ~ D7 is connected with the pin P2.0 to P2.7 of MCU respectively, and realization Flash reads the data-transformation facility with write operation;
Man-machine crosspoint comprises LCD display and button, and wherein, what LCD display adopted is the I/O mouth simulation SPI communication mode of microcontroller (MCU), and four buttons are connected with the I/O mouth of microcontroller (MCU) respectively; The principal and subordinate of microcontroller (MCU) selects CS, main goes out from going into MOSI, serial clock SCK, mainly go into from going out the MISO pin to connect and is connected with DAT3, CMD, CLK, the DAT0 pin of TF card respectively, and the pin whether detection TF card inserts is connected with the I/O mouth of MCU; The D+ end of MCU, D-end connect D+, the D-of USB interface respectively.
To install with the vehicle diagnosis interface and be connected, working power will be provided by the vehicle diagnosis interface.Device gets into logging mode through initialization, after automatically identifying the electric-control system that this car adopts.Under the logging mode, device filters reception by the electric-control system that identifies to the sensor signal value of all broadcasting on the vehicle CAN bus, and effective sensor signal value that presets that will receive is carried out classification and storage in internal storage Flash according to CANID.Record data are stored in chronological order, and system begins to cover from reference position when arrive in the storage time of setting, and device can be stored 720 hours data at most.For making things convenient for the USB flash disk copy, can be with being set at the desirable duration of user storage time.Under the logging mode, the license plate number that device LCD screen explicit user pre-sets shows current fuelling rate when vehicle stops, and device converts the speed of a motor vehicle of gathering and fuelling rate signal value to fuel consumption per hundred kilometers and is presented on the screen during vehicle '.When having detected the USB flash disk insertion, device will be stored in the interior record data of Flash automatically and download in the USB flash disk, and the user can import to record data in the computer that analysis software is housed, and by using software kit record data carried out analysis interpretation.The user obtains driver's driving behavior, vehicle working condition, information such as total fuel injection quantity according to analysis result.
Device can carry out fault diagnosis through K_Line to vehicle under the operation of button, read the DTC of vehicle, and on screen, shows brief failure-description, the possible cause that breaks down and corresponding solution.When breaking down in the open air, vehicle can the DTC and the preceding segment record data that break down be downloaded in the TF card in the time of can't moving; Upload the data in the specified server through mobile phone; Again by Senior Expert analysis of failure sign indicating number and record data such as after-sale service stations; Reach long-range, offer help for the user deals with problems.
The good effect of the utility model is: realized car load real-time data acquisition and memory function, so that in time correct driver's bad steering behavior, for accurate maintenance failure the True Data foundation is provided simultaneously; Regional total fuel injection quantity Presentation Function is provided, has made the contrast of true oil consumption and volume read-out have according to complying with; Increased fault self-diagnosis and the result is presented on the LCD screen, through light, the timely driver of sound prompting mode is understood vehicle condition, avoids unexpected and takes place.
Car fault diagnosis can in time be fixed a breakdown, and eliminates accident potential; The driver uses this equipment self-servicely to repair whenever and wherever possible, and the after-sale service station of having avoided trudging removes to solve the minor issue of vehicle.When vehicle started at every turn, device can be analyzed which project of vehicle automatically need carry out maintenance, and the content that needs maintenance is shown on the interface.
Can show total fuel injection quantity, avoid to the lawless people opportunity.
Pass through the utility model; Can reduce automobile owing to minor issue is not in time handled the accident that leads to, increase substantially traffic safety, guarantee the people's life and property safety; Reduce the fuel cost of vehicle, the production management means of increasing economic efficiency and providing advanced for enterprise.
Description of drawings
Fig. 1 is the utility model structured flowchart;
Fig. 2 is the utility model circuit theory diagrams.
Embodiment
According to shown in Figure 1, the utility model device is made up of microcontroller, CAN driver, K driver, data-carrier store, man-machine crosspoint, wherein,
UART Universal Asynchronous Receiver Transmitter (UART) module of microcontroller (MCU) is connected with the vehicle diagnosis interface through the K line drive; The DTC that reads in the vehicle motor ECU is resolved; The simulation SPI mouth and the man-machine interaction unit of microcontroller (MCU) are presented at vehicle trouble information on the LCD display of man-machine interaction unit; Controller local area network (CAN) module of microcontroller (MCU) is connected with the vehicle diagnosis interface through the CAN driver; Collection vehicle real-time status information; The I/O mouth of microcontroller (MCU) is connected with data-carrier store, and the information of gathering is stored in the external data memory by set form; Microcontroller (MCU) also is provided with USB interface can be with being stored in copying data in the data-carrier store in USB flash disk; Microcontroller (MCU) also is provided with the SPI mouth can be with copying data in the TF card.
According to shown in Figure 2, level transferring chip TPS5430 obtains 5V voltage through resistance R 1, R2 dividing potential drop; The 3.3V voltage of level transferring chip AS1117 output 800mA.Microprocessor MCU is connected with the vehicle diagnosis interface through K driver (present embodiment adopts L9637), and vehicle is carried out the K_Line diagnosis, and CAN driver (present embodiment adopts TJA1050) is connected with the vehicle diagnosis interface, realizes vehicle CAN bus communication; What the LCD display of man-machine conversation unit adopted is I/O mouth simulation SPI communication mode, and 4 buttons are directly with 4 I/O mouth line traffic controls; Input is connected with the I/O of MCU with data for the mode of the emulation bus that the control mode of data-carrier store (Flash) adopts, the control end of data-carrier store; MCU downloads data in the TF card through the SPI communication mode; The principal and subordinate of MCU selects CS, main goes out from going into MOSI, serial clock SCK, mainly go into from going out DAT3, CMD, CLK, the DAT0 pin that the MISO pin connects respectively at the TF card to connect, and detects the pin whether TF insert and is connected with the I/O mouth of MCU; The D+ of MCU, D-connect D+, the D-of USB interface respectively, accomplish the download function of data;
TPS5430 is a level transferring chip; Its IN pin is the power supply input pin, and what this device utilized is the power supply input of vehicle-mounted+24V power supply as this chip, GND pin ground connection; BOOT and PH pin and LC translation circuit are power supply output; And cooperate with VSENSE pin and non-essential resistance R1, R2, obtain the level value V=1.221 of system's output * (1+R1/R2), obtain voltage 5V here and give USB flash disk, CAN bus driver, K_Line driver and AS1117 power supply.The output Vout of AS1117 is that 3.3V gives MCU, FALSH, TF card, LCD backlight power supply.
Data among the FLASH dump in the computing machine through equipment such as USB flash disks; Application software is for the semaphore of being concerned about; In database, inquire about correlation ID according to car load CAN procotol; And it is resolved to physical quantity supply the maintenance personal to check according to the time sequencing formation curve, realize strange land diagnosis or remote diagnosis so that find fault.Simultaneously the driving behavior sorting-out in statistics is presented on the computer interface.
Claims (2)
1. the driving controller is analyzed in intelligent trouble diagnosis and driving behavior, it is characterized in that: mainly constitute by microcontroller (MCU), CAN driver, K driver, data-carrier store, man-machine crosspoint, wherein,
UART Universal Asynchronous Receiver Transmitter (UART) module of microcontroller (MCU) is connected with the vehicle diagnosis interface through the K line drive; The DTC that reads in the vehicle motor ECU is resolved; The simulation SPI mouth and the man-machine interaction unit of microcontroller (MCU) are presented at vehicle trouble information on the LCD display of man-machine interaction unit; Controller local area network (CAN) module of microcontroller (MCU) is connected with the vehicle diagnosis interface through the CAN driver; Collection vehicle real-time status information; The I/O mouth of microcontroller (MCU) is connected with data-carrier store, and the information of gathering is stored in the external data memory by set form; Microcontroller (MCU) also is provided with USB interface can be with being stored in copying data in the data-carrier store in USB flash disk; Microcontroller (MCU) also is provided with the SPI mouth can be with copying data in the TF card.
2. the driving controller is analyzed in described intelligent trouble diagnosis of claim 1 and driving behavior, it is characterized in that:
The Vs of K driver is connected completion K line level transmissions with the power line of vehicle diagnosis interface respectively with the K line with the K line; K driver received signal pin RX is connected with transmission signal pins TXD1 with the received signal pin RXD1 of microcontroller (MCU) respectively with transmission signal pins TX; Realize the Transistor-Transistor Logic level transmission of K line, by the DTC in the level signal transmission vehicle motor ECU;
The CANH end of CAN driver is connected the differential level transmission of accomplishing the CAN line with the CANH line of vehicle diagnosis interface respectively with the CANL end with the CANL line; The signal of CAN driver receives pin RXD and sends pin TXD is connected completion CAN line respectively with CAN signal transmission pin TXCAN with the CAN signal reception pin RXCAN of microcontroller (MCU) Transistor-Transistor Logic level transmission, collection vehicle real-time status information with signal;
The mode of emulation bus is adopted in the control of data-carrier store; Its write-protect line WP, address function enable line ALE, command operation enable line CLE, read enable line RE, write enable line WE, preparation/busy output line R/B, chip enable line CE be connected with the pin P1.0 to P1.6 of MCU respectively and accomplish the control line function that Flash operates; Data input/output line D0 ~ D7 is connected with the pin P2.0 to P2.7 of microcontroller (MCU) respectively, and realization Flash reads the data-transformation facility with write operation;
Man-machine crosspoint comprises LCD display and button, and wherein, what LCD display adopted is the I/O mouth simulation SPI communication mode of microcontroller (MCU), and four buttons are connected with the I/O mouth of microcontroller (MCU) respectively; The principal and subordinate of microcontroller (MCU) selects CS, main goes out from going into MOSI, serial clock SCK, mainly go into from going out the MISO pin to connect and is connected with DAT3, CMD, CLK, the DAT0 pin of TF card respectively, and the pin whether detection TF card inserts is connected with an I/O mouth of microcontroller (MCU); The D+ end of microcontroller (MCU), D-end connect D+, the D-of USB interface respectively.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2011200701060U CN202120052U (en) | 2011-03-17 | 2011-03-17 | Intelligent fault diagnosis and driving behavior analysis running controller |
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| CN2011200701060U CN202120052U (en) | 2011-03-17 | 2011-03-17 | Intelligent fault diagnosis and driving behavior analysis running controller |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102645341A (en) * | 2012-04-19 | 2012-08-22 | 李军 | Method and system for detecting health condition of motor vehicle |
| CN103863220A (en) * | 2014-03-27 | 2014-06-18 | 北京车云通科技有限公司 | Method and system for monitoring motor vehicle data |
| CN103914060A (en) * | 2014-03-17 | 2014-07-09 | 深圳市元征科技股份有限公司 | OBDII code reading card device |
| CN111605562A (en) * | 2020-05-06 | 2020-09-01 | 东风汽车集团有限公司 | Safety control system and method for intelligent driving vehicle |
| US11132848B2 (en) | 2019-02-13 | 2021-09-28 | Tenneco Automotive Operating Company Inc. | System and method for monitoring a vehicle component |
-
2011
- 2011-03-17 CN CN2011200701060U patent/CN202120052U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102645341A (en) * | 2012-04-19 | 2012-08-22 | 李军 | Method and system for detecting health condition of motor vehicle |
| CN102645341B (en) * | 2012-04-19 | 2015-05-20 | 李军 | Method and system for detecting health condition of motor vehicle |
| CN103914060A (en) * | 2014-03-17 | 2014-07-09 | 深圳市元征科技股份有限公司 | OBDII code reading card device |
| CN103863220A (en) * | 2014-03-27 | 2014-06-18 | 北京车云通科技有限公司 | Method and system for monitoring motor vehicle data |
| CN103863220B (en) * | 2014-03-27 | 2016-04-13 | 北京车云通科技有限公司 | The monitoring method of vehicle data and system |
| US11132848B2 (en) | 2019-02-13 | 2021-09-28 | Tenneco Automotive Operating Company Inc. | System and method for monitoring a vehicle component |
| CN111605562A (en) * | 2020-05-06 | 2020-09-01 | 东风汽车集团有限公司 | Safety control system and method for intelligent driving vehicle |
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Granted publication date: 20120118 |