CN202394113U - Automobile state remote diagnosis device based on OBDII - Google Patents
Automobile state remote diagnosis device based on OBDII Download PDFInfo
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- CN202394113U CN202394113U CN2011205462494U CN201120546249U CN202394113U CN 202394113 U CN202394113 U CN 202394113U CN 2011205462494 U CN2011205462494 U CN 2011205462494U CN 201120546249 U CN201120546249 U CN 201120546249U CN 202394113 U CN202394113 U CN 202394113U
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Abstract
The utility model provides an automobile state remote diagnosis device based on OBDII, which is used for remotely grasping various running states and failure codes of an automobile, remotely analyzing automobile failures and informing a driver in time. The automobile state remote diagnosis device is partitioned into two parts, i.e., a vehicle-mounted part and a remote data service center, wherein the vehicle-mounted part consists of a central control unit (1), a position parameter acquisition module (2), a vehicle acceleration parameter acquisition module (3), a vehicle state OBDII parameter acquisition module (4), an oil path control node module (5), a transmission module (6) interacting with a remote data service center server, and a power supply management module (7) suitable for a battery jar of the automobile; and a remote data service center consists of a wireless data communication module (8) and a failure analysis unit (9). According to the device, state information such as position, running speed and the like of the automobile can be acquired through the position parameter acquisition module, the occurrence of traffic accidents of the automobile is judged automatically through a vehicle acceleration parameter acquisition module and a vehicle state parameter acquisition module, and the position and relevant information of a traffic accident vehicle are reported automatically, so that timely, accurate and effective data are provided for relevant departments such as traffic control, first aid and the like, and an auxiliary means is provided for saving of the lives and properties of people. Meanwhile, compared with the prior art, the automobile state remote diagnosis device has the advantages of capability of reflecting automobile failure information intuitively and comprehensively in time, improvement on the safety performance of the automobile, simple structure and easiness for implementing.
Description
Technical field
The utility model relates to and a kind ofly is used for the various running statuses of long-range grasp automobile (like speed, acceleration and collision etc.), and to the vehicle failure remote analysis, in time the device of driver.
Background technology
In the last few years, along with the continuous development of electronics industry and auto industry, in modern times on the automobile, the application of electronic technology more and more widely, the electronic degree of automobile is also with increasingly high.We can say that the automobile of today has got into the electronically controlled epoch, vapour develops into senior electromechanical integrated product by simple engineering goods.As household electrical appliances, China will become automobile and produce production and marketing big country, but the safety of domestic automobile is still troubling, the Russian collision detection of existing Cherry, the European collision detection conclusion of nearest Huachen BMW---" possibility that nothing is survived ".Be not difficult to predict the huge market outlook of automotive safety product.Nowadays, the application of location technology on automobile is commonplace, and teledata service centre can recognize the running status of automobile, essential informations such as present position very easily through wireless network.But, when vehicle breaks down,, usually cause the generation of traffic hazard because the driver can not in time recognize the existence of fault, and makes correct processing and eliminating to fault, seriously influence the people's lives and property safety.In addition, when vehicle gets into an accident, still adopt the mode of artificial report basically in present stage, real-time, objectivity are poor, are unfavorable for that relevant departments in time, effectively grasp related data, take remedial measure.Therefore, how can in the vehicle ' process, implement overall monitor to it, understand its various states, and when it breaks down, can make fast, diagnosis all sidedly is our urgent problem of wanting now.
The utility model content
The purpose of the utility model be to provide a kind of can the various running statuses of long-range grasp automobile, and can carry out the device of remote analysis to vehicle failure.
For realizing the above-mentioned purpose of the utility model, the utility model adopts following technical scheme:
A kind of vehicle condition tele-diagnostic device based on OBDII; Form by vehicle-mounted part and teledata service centre two parts, comprise central control unit (1), location parameter acquisition module (2), vehicle acceleration parameter acquisition module (3), vehicle-state OBDII parameter acquisition module (4), oil circuit Control Node module (5), form with mutual transport module (6), the power management module (7) that adapts to automobile storage battery, RFDC module (8), fault analysis unit (9) of teledata service center server;
Described vehicle-mounted part comprises central control unit (1), location parameter acquisition module (2), vehicle acceleration parameter acquisition module (3), vehicle-state OBDII parameter acquisition module (4), oil circuit Control Node module (5), with the mutual transport module (6) of teledata service center server, adapt to the power management module (7) of automobile storage battery;
Described teledata service centre comprises RFDC module (8), fault analysis unit (9);
The information interaction of described vehicle-mounted part and teledata service center server is the mutual realization of the RFDC module (8) of transport module (6) and teledata service centre through vehicle-mounted part;
Described fault analysis unit (9) is an automobile fault information database of setting up in teledata service centre, is used to inquire about the vehicle failure code, thereby judges vehicle failure problem place.
Preferably, described central control unit (1) be have be no less than two USART, be no less than an AD converter, be no less than an external interrupt trigger, the single-chip microcomputer of RTC (real-time clock module), WatchDog Timer, online application programming function.
Preferably, described location parameter acquisition module (2) is made up of GPS module or GPS and Big Dipper bimodulus locating module.
Preferably, vehicle acceleration parameter acquisition module (3) detects the vehicle state information whether vehicle collision, overturning take place.
Preferably, vehicle-state parameter acquisition module (4) realizes through the OBDII acquisition module.
Preferably, oil circuit Control Node module (5) is come Control of Automobile oil circuit state through controlling a relay, and detects the ignition signal of automobile.
Preferably, vehicle-mounted part is made up of GSM, CDMA, WCDMA or TD-SCDMA wireless communication module with the mutual transport module (6) of teledata service center server.
Preferably, adapt to power management module (7) the needs adaptation 12V/24V automobile storage battery of automobile storage battery, and power supply is provided for other modules.
Preferably, vehicle acceleration parameter acquisition module (3) can be the air bag interface when having air bag.
This device can obtain the status information such as position, travel speed of automobile through the location parameter acquisition module; Through vehicle acceleration parameter acquisition module; Vehicle-state parameter acquisition module is judged whether occurrence of traffic accident of automobile automatically; And report the position and the relevant information of accident vehicle automatically, for relevant departments such as traffic control, first aid provide timely, accurate and effective data, a kind of supplementary means is provided for saving the people's lives and property.Simultaneously, relative prior art, the present invention can reflect automobile fault information in time, intuitively, all sidedly, improves vehicle safety performance, and simple in structure, easy to implement.
Description of drawings
Fig. 1 shows the synoptic diagram according to the embodiment of the utility model;
Fig. 2 is the total framework of circuit theory
Fig. 3 is the circuit theory diagrams of central control unit
Fig. 4 is the circuit theory diagrams of power management module
Fig. 5 is the circuit theory diagrams of example positions parameter acquisition module
Fig. 6 is the circuit theory diagrams of instance vehicle acceleration parameter acquisition and vehicle-state parameter acquisition module
Fig. 7 is the circuit connection diagram of the SIM4100 of the mutual transport module TD-SCDMA network of instance and system server
Embodiment
Fig. 1 is an instance of the utility model, and vehicle-mounted part is by central control unit (1), location parameter acquisition module (2), vehicle acceleration parameter acquisition module (3), vehicle-state OBDII parameter acquisition module (4), oil circuit Control Node module (5), form with the mutual transport module (6) of teledata service center server, the power management module (7) that adapts to automobile storage battery; Teledata service centre is made up of RFDC module (8), fault analysis unit (9).
Wherein, Central control unit (1) adopts STM32F101VD, location parameter acquisition module (2) is by GPS module or GPS and Big Dipper bimodulus locating module is formed, vehicle acceleration parameter acquisition module (3), the semi-conductive MMA7455L of vehicle-state OBDII parameter acquisition module (4) employing Freescale; If any air bag; The air bag signal is external interrupt in succession also; Oil circuit Control Node module (5) is used for Control of Automobile fuel feeding under the emergency circumstance, and the power management module (7) that adapts to automobile storage battery is made up of chip such as MP4560, XC6206P331PR and corresponding filtering circuit; Transport module (6) adopts the TD-SCDMA module SIM4100 of SIMcom, and fault analysis unit (9) mainly are made up of the database of judging the vehicle failure place.
Referring to Fig. 3, Fig. 4, central control unit adopts the STM32F101VD of ARM framework.This processor is mutual through serial ports and SIM4100, GPS, BMOS2-100; Pass through I
2The C bus is gathered the information that acceleration transducer is gathered; Inner real-time clock module can provide continual real-time clock service, and carrying out for instruction provides time reference; WatchDog Timer can be removed deadlock, improves the stability of system.Central control unit also comprises a power management module that adapts to automobile storage battery, and MP2467 realizes that 12V～24V transfers the function of 5V to, and this chip lowest high-current value 2.5A can provide the power supply of whole device; XC6206P331P realizes that 5V transfers the function of 3.3V to, and this chip is the LDO chip, and lowest high-current value 500mA can provide STM32F101VD and BMOS2-100 required power supply.This element also has a group relay control terminal, and this group terminal is the pin of two switches of relay, is used for Control of Automobile oil circuit in emergency circumstances; The condition of cutting off oil circuit is: automobile is not in fired state, and just ignition signal (ACC) is a disarmed state, so also have a light-coupled isolation input; Be used for gathering the ignition signal of automobile; If automotive ignition, ignition switch are bound to connect the 12V power supply, just passed to single-chip microcomputer through optocoupler.
Referring to Fig. 5, this figure is the circuit connection diagram of BMOS2-100 module.This patent adopts this module to realize the collection of vehicle position information.
Referring to Fig. 6, this figure is the circuit theory diagrams of vehicle acceleration parameter acquisition and vehicle-state (whether overturning etc.).Adopt the MMA7455L acceleration transducer to constitute the acceleration analysis platform, use I
2C bus and main-machine communication have been reserved the ISP interface.The MMA7455L acceleration transducer is realized the monitoring to vehicle launch and collision through measure vehicle acceleration and pitch angle.
Referring to Fig. 7, this figure is the circuit connection diagram of transport module SIM4100.SIM4100 carries out carrying out alternately through antenna and base station alternately through serial ports and control line and STM32F101VE, and then carries out the interaction data transmission with teledata service centre.
Native system also reserved RS485 bus communication interface and abundant I/O interface, be convenient to peripheral hardware expansion (like camera, printer etc.).
Below, the teledata service centre part principle of work of the utility model is done with simple declaration:
Every kind of vehicle all has the fault numbering, as long as the DTC upload server can be read in the terminal, teledata service centre just can provide diagnosis report.
The CAN bus of automobile is linked to each other with the central control unit (1) of vehicle-mounted part; The car status information that location parameter acquisition module (2), vehicle acceleration parameter acquisition module (3), vehicle-state OBDII parameter acquisition module (4), oil circuit Control Node module (5) collect is through being transferred to the teledata service center server with mutual transport module (6) and the wireless network of teledata service center server.
In the said teledata service centre; Fault analysis unit (9) is to accept the status information code from mutual transport module (6) transmission of the teledata service center server in the automobile through RFDC module (8); And analyze the automobile fault information code that is obtained, and return automobile fault information code to automobile central control module (1) through RFDC module (8).
Be provided with database in the said fault analysis unit (9), storage automobile fault information data in the database, the failure message from automobile is accepted in the fault analysis unit, and compares with the information that is stored in the database, thereby judges the vehicle failure place.
Claims (9)
1. vehicle condition tele-diagnostic device based on OBDII; Form by vehicle-mounted part and teledata service centre two parts; Comprise central control unit (1), location parameter acquisition module (2), vehicle acceleration parameter acquisition module (3), vehicle-state OBDII parameter acquisition module (4), oil circuit Control Node module (5), form, it is characterized in that with mutual transport module (6), the power management module (7) that adapts to automobile storage battery, RFDC module (8), fault analysis unit (9) of teledata service center server:
Described vehicle-mounted part comprises central control unit (1), location parameter acquisition module (2), vehicle acceleration parameter acquisition module (3), vehicle-state OBDII parameter acquisition module (4), oil circuit Control Node module (5), with the mutual transport module (6) of teledata service center server, adapt to the power management module (7) of automobile storage battery;
Described teledata service centre comprises RFDC module (8), fault analysis unit (9);
The information interaction of described vehicle-mounted part and teledata service center server is the mutual realization of the RFDC module (8) of transport module (6) and teledata service centre through vehicle-mounted part;
Described fault analysis unit (9) is an automobile fault information database of setting up in teledata service centre, is used to inquire about the vehicle failure code, thereby judges vehicle failure problem place.
2. device according to claim 1, it is characterized in that described central control unit (1) be have be no less than two USART, be no less than an AD converter, be no less than an external interrupt trigger, the single-chip microcomputer of RTC (real-time clock module), WatchDog Timer, online application programming function.
3. device according to claim 1 is characterized in that location parameter acquisition module (2) is made up of GPS module or GPS and Big Dipper bimodulus locating module.
4. device according to claim 1 is characterized in that vehicle acceleration parameter acquisition module (3) detects the vehicle state information whether vehicle collision, overturning take place.
5. device according to claim 1 is characterized in that vehicle-state parameter acquisition module (4) realizes through the OBDII acquisition module.
6. device according to claim 1 is characterized in that oil circuit Control Node module (5) comes Control of Automobile oil circuit state through controlling a relay, and detects the ignition signal of automobile.
7. device according to claim 1 is characterized in that being made up of GSM, CDMA, WCDMA or TD-SCDMA wireless communication module with the mutual transport module (6) of teledata service center server.
8. device according to claim 1, power management module (7) needs that it is characterized in that adapting to automobile storage battery adapt to the 12V/24V automobile storage battery, and power supply are provided for other modules.
9. device according to claim 1 is characterized in that vehicle acceleration parameter acquisition module (3) can be the air bag interface when having air bag.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205462494U CN202394113U (en) | 2011-12-23 | 2011-12-23 | Automobile state remote diagnosis device based on OBDII |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205462494U CN202394113U (en) | 2011-12-23 | 2011-12-23 | Automobile state remote diagnosis device based on OBDII |
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| CN202394113U true CN202394113U (en) | 2012-08-22 |
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| CN2011205462494U Expired - Fee Related CN202394113U (en) | 2011-12-23 | 2011-12-23 | Automobile state remote diagnosis device based on OBDII |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103559744A (en) * | 2013-10-15 | 2014-02-05 | 江苏大学 | BDS-based traffic accident information processing system and its processing method |
| CN104035425A (en) * | 2014-06-27 | 2014-09-10 | 奇瑞汽车股份有限公司 | Remote monitoring system for electric car and hybrid power car |
| CN107203197A (en) * | 2017-05-27 | 2017-09-26 | 江苏理工学院 | A kind of vehicle-state Monitoring Data collector and its acquisition method based on OBD |
| CN107490389A (en) * | 2016-06-12 | 2017-12-19 | 上海航鼎电子科技发展有限公司 | A kind of multisensor remote vehicle driving behavior monitor terminal |
| CN111884894A (en) * | 2020-06-22 | 2020-11-03 | 无锡中慧联合科技有限公司 | Fault detection method and device for engineering vehicle electric control system |
-
2011
- 2011-12-23 CN CN2011205462494U patent/CN202394113U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103559744A (en) * | 2013-10-15 | 2014-02-05 | 江苏大学 | BDS-based traffic accident information processing system and its processing method |
| CN103559744B (en) * | 2013-10-15 | 2015-08-26 | 江苏大学 | Based on traffic accident information disposal system and the disposal route thereof of BDS |
| CN104035425A (en) * | 2014-06-27 | 2014-09-10 | 奇瑞汽车股份有限公司 | Remote monitoring system for electric car and hybrid power car |
| CN104035425B (en) * | 2014-06-27 | 2016-09-14 | 奇瑞新能源汽车技术有限公司 | A kind of electric motor car and hybrid vehicle long distance control system |
| CN107490389A (en) * | 2016-06-12 | 2017-12-19 | 上海航鼎电子科技发展有限公司 | A kind of multisensor remote vehicle driving behavior monitor terminal |
| CN107203197A (en) * | 2017-05-27 | 2017-09-26 | 江苏理工学院 | A kind of vehicle-state Monitoring Data collector and its acquisition method based on OBD |
| CN111884894A (en) * | 2020-06-22 | 2020-11-03 | 无锡中慧联合科技有限公司 | Fault detection method and device for engineering vehicle electric control system |
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Legal Events
| Date | Code | Title | Description |
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| 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: 20120822 Termination date: 20161223 |