CN103412554A - Intelligent wireless diagnostic system and method - Google Patents
- ️Wed Nov 27 2013
CN103412554A - Intelligent wireless diagnostic system and method - Google Patents
Intelligent wireless diagnostic system and method Download PDFInfo
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- CN103412554A CN103412554A CN2013101176073A CN201310117607A CN103412554A CN 103412554 A CN103412554 A CN 103412554A CN 2013101176073 A CN2013101176073 A CN 2013101176073A CN 201310117607 A CN201310117607 A CN 201310117607A CN 103412554 A CN103412554 A CN 103412554A Authority
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Abstract
The invention discloses an intelligent wireless diagnosis system and a method. The diagnostic system includes a CAN bus, a wireless diagnostic interface box and a user mobile phone terminal. The CAN bus is connected with the wireless diagnostic interface box. The CAN bus acquires vehicle information and sends the obtained vehicle condition data to the user mobile phone terminal through wireless data transmission. Through installation of service software by the user mobile phone terminal and communication with a vehicle by use of the CAN bus, the intelligent wireless diagnostic system and the method can intelligently, conveniently and efficiently control the vehicle and record failure information display and diagnostic procedures. The intelligent wireless diagnostic system and the method can also store vehicle condition data and achieve emergency call for help in vehicle collision.
Description
Technical field
The present invention relates to the wireless communication technique field, be specifically related to a kind of diagnostic system of intelligent radio for car fault diagnosis and method.
Background technology
Automobile is carried out to fault diagnosis, need to obtain the various status informations of automobile by the devices such as drive recorder of professional diagnostic device connection automobile, thereby carry out vehicle failure detection or analyzing and diagnosing.Along with scientific and technological fast development, the automobile remote diagnostic technology has appearred, by remote data transmission, realize the detection to vehicle failure.
Publication number is that the Chinese invention patent of CN101909071A discloses a kind of automobile Bluetooth diagnosis system, it comprises data collection station, data diagnosis terminal and control system, data collection station and data diagnosis terminal are carried out communication by Bluetooth function, data collection station is arranged in automobile, and the data diagnosis terminal is the hand-held diagnostic equipment; This technical scheme is utilized bluetooth wireless communication technology, and state, the control information of each controller of automobile ECU are sent on the hand-held diagnostic equipment and carry out automobile failure diagnosis.Publication number is that CN202150050U and publication number are the disclosed a kind of automobile Bluetooth diagnosis system of CN202195950U Chinese utility model patent, by the diagnostic analysis module, carry out according to vehicle condition information the status information that fault analysis, interface module can the Real-time Collection automobiles, and carry out Analysis on Fault Diagnosis by handheld device.
Above-mentioned disclosed automobile wireless diagnostic techniques scheme, adopt bluetooth communication, all reached the purpose of real-time diagnosis, but the development along with the market demand and electronic technology, the CAN bus starts overall application on vehicle, the problem of diagnosis is increasing after sale, and the difficulty of diagnosis is increasing, current wireless diagnostics data transmission and the diagnostic mode of hand-held data diagnosis terminal thereof can not satisfy the demands, need a kind of convenient and swift, intelligent diagnostic system of exploitation and method.
Summary of the invention
In order to address the above problem, the invention provides a kind of intelligent radio diagnostic system and method, this diagnostic system adopts CAN bus and vehicle to communicate, simultaneously car owner's mobile phone terminal is equipped with the user mobile phone service software, just can carry out control, fault information collection, the record of diagnostic procedure and the automatic decision of vehicle problem that communication and mutual method realize vehicle by bluetooth or WIFI and mobile phone.
To achieve these goals, the present invention adopts following technical scheme.
A kind of intelligent radio diagnostic system, comprise CAN bus, wireless diagnostics interface box, user mobile phone terminal; Described CAN bus is connected with the wireless diagnostics interface box; System configuration becomes by CAN bus collection vehicle information, and the mode of the vehicle condition data that will obtain by Wireless Data Transmission is sent to user mobile phone terminal.
Preferably, described CAN bus, by wireless diagnostics interface box and vehicle communication, is carried out communication and mutual.
Preferably, the vehicle condition data that described CAN bus will be obtained by least a transmission mode in Bluetooth wireless transmission or WIFI wireless transmission are sent to user mobile phone terminal in technique scheme.
Preferably, described wireless diagnostics interface box comprises OBD data acquisition module, CAN bus module, WIFI wireless transport module, Bluetooth wireless transmission module in technique scheme.
Preferably, described wireless diagnostics interface box exterior arrangement has the CAN bus interface in technique scheme.
Preferably, described OBD data acquisition module, CAN bus module, WIFI wireless transport module, Bluetooth wireless transmission module realize being connected in parallel by CAN bus interface and CAN bus in technique scheme.
Preferably, described OBD data acquisition module is configured to be applicable to the OBD diagnosing protocol, carries out collection vehicle fault and running state data in technique scheme.
Preferably, described CAN bus module is configured to carry out obtaining and sending of CAN bus data in technique scheme.
Preferably, described WIFI wireless transport module is configured to be sent to user mobile phone terminal by the vehicle condition data that the mode of WIFI wireless transmission will be obtained in technique scheme.
Preferably, described Bluetooth wireless transmission block configuration is the conversion output audio signal, realizes the bluetooth handsfree conversation, and assisted the transmission of vehicle diagnostics data in technique scheme.
Preferably, described user mobile phone terminal has at least a in mobile communications network interface and bluetooth communication, WIFI communication module in technique scheme.
Preferably, described user mobile phone terminal is installed the user mobile phone service software in technique scheme.
Preferably, described user mobile phone service software can customize, develop or change according to the demand of car owner or depot in technique scheme.
Preferably, described user mobile phone terminal comprises at least a in car owner, automobile factory, 4S shop in technique scheme.
The invention also discloses a kind of intelligent radio diagnostic method, be applicable to intelligent radio diagnostic system as above, this intelligent radio diagnostic method comprises the steps:
S1, vehicle is installed the wireless diagnostics interface box, and is connected with vehicle power supply and CAN bus;
S2, user mobile phone terminal is installed the user mobile phone service software;
S3, vehicle launch, user mobile phone terminal is opened;
S4, the CAN bus is obtained the vehicle condition data and is sent to user mobile phone terminal by the Wireless Data Transmission mode, realizes real-time demonstration, fault diagnosis, the flash appeal of information of vehicles.
Preferably, system configuration becomes the startup by described vehicle to send control command by user mobile phone terminal in technique scheme, thereby triggers the startup that Vehicular power supply system is controlled vehicle motor.
Preferably, described user mobile phone terminal shows and the information of vehicles of collection can record and store in technique scheme, is convenient to inquire about and further analysis and research in the future.
Intelligent radio diagnostic system of the present invention, CAN bus interface by wireless diagnostic systems obtains information of vehicles from vehicle, and the mode by bluetooth or WIFI wireless transmission is sent to user mobile phone terminal by corresponding data, the user accepts and checks information by being arranged on corresponding software in mobile phone, simultaneously also can to the data that vehicle sends, record and store, in order to inquire about.
Intelligent radio diagnostic system of the present invention, the frequency that can calculating vehicle various faults occur also provides reference for the client; Detailed information of vehicles and the statistics of long period can be provided, realize monthly or by sky inquiring about relevant oil consumption, expense, mileage, flying power the shortcoming shown in real time to make up conventional instrument; Can to unknown failure, collect by slave and service station personnel, and diagnostic procedure is carried out to record, follow-up can automatic decision while such problem occurring; In addition, the wireless diagnostic systems based on bluetooth of the present invention can also be realized the emergency call for help function.
Intelligent radio diagnostic system of the present invention and method, can be in diagnosis, automatic learning, the possible fault of automatic decision provide the suggestion of auto repair in diagnosis, greatly reduced the difficulty of diagnosis, improve the control of assembly plant to vehicle problem, provide reference to the exploitation of follow-up new model.
The accompanying drawing explanation
Fig. 1 is the wireless diagnostic systems schematic diagram of intelligent radio diagnostic system of the present invention and method;
Fig. 2 is the wireless diagnosis method schematic diagram of intelligent radio diagnostic system of the present invention and method;
Fig. 3 is applicable to the principle schematic of intelligent radio diagnosis after the existing Bluetooth wireless transmission module upgrade of one preferred embodiment of intelligent radio diagnostic system of the present invention and method.
Reference numeral:
1.CAN bus, 2. power supply, 3. wireless diagnostics interface box, 4. user mobile phone terminal, 5.CAN bus module, 6.OBD data acquisition module, 7.WIFI wireless transport module, 8. Bluetooth wireless transmission module, 9. sound signal, 10.WIFI data, 11. blue-teeth datas, 12. sound systems.
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is elaborated, below describe only conduct demonstration and explain, the present invention is not done to any pro forma restriction.
As shown in Figure 1, a kind of intelligent radio diagnostic system, comprise CAN
bus1, wireless
diagnostics interface box3, user mobile phone terminal 4; CAN
bus1 is connected with wireless
diagnostics interface box3; CAN
bus1 collection vehicle information, and the mode of the vehicle condition data that will obtain by Wireless Data Transmission is sent to user mobile phone terminal 4; CAN
bus1, by wireless
diagnostics interface box3 and vehicle communication, is carried out communication and mutual.
The vehicle condition data that the CAN bus will be obtained by least a transmission mode in Bluetooth wireless transmission or WIFI wireless transmission are sent to user mobile phone terminal, and user mobile phone terminal has the mobile communications network interface, and bluetooth communication or WIFI communication module.User mobile phone terminal is equipped with the user mobile phone service software, and the user mobile phone service software can customize, develop or change according to the demand of car owner or depot, and user mobile phone terminal can be the car owner, or automobile factory, 4S shop.
Particularly, the user mobile phone service software can be from the APP store(of apple application shop) or Android market downloads and installs " i car house keeper ", namely can realize real-time diagnosis, violating the regulationsly inquire about, maintain the functions such as prompting, mileage statistics, oil consumption statistics, diagnostic trouble code inquiry, real-time road, search periphery.In addition, can need to build mobile communications network according to the client and carry out data wireless transmission and mutual, such as the Application of Interface of setting up towards automobile factory, with statistics vehicle hidden danger data, the event of avoiding recalling, occur, real-time statistics new model test data, vehicle performance is improved scientific basis is provided, the average mileage of first-time fault, reinforcement supplier management after the listing of statistics new model, statistics vehicle average fuel consumption, promote the car load competitive power; Perhaps set up towards the Application of Interface in 4S shop, to grasp user's running data, to provide maintenance to remind, improve profitability in time, vehicle condition monitors, avoids hazard event to occur in real time, long-range rescue, improves security level.
Wireless
diagnostics interface box3 exterior arrangement have the CAN bus interface, its inside comprises OBD data acquisition module 6,
CAN bus module5, WIFI
wireless transport module7, Bluetooth
wireless transmission module8, and OBD data acquisition module, CAN bus module, WIFI wireless transport module, Bluetooth wireless transmission module are connected with the CAN bus parallel connection by the CAN bus interface.The OBD data acquisition module is applicable to the OBD diagnosing protocol, collection vehicle fault and running state data; The CAN bus module is realized obtaining and sending of CAN bus data; The vehicle condition data that the WIFI wireless transport module will obtain by the mode of WIFI wireless transmission are sent to user mobile phone terminal; Bluetooth wireless transmission module converts output audio signal, realize bluetooth handsfree conversation, and assisted the transmission of vehicle diagnostics data.
The intelligent radio diagnostic method as shown in Figure 2, comprises the steps:
S1, vehicle is installed the wireless diagnostics interface box, and is connected with vehicle power supply and CAN bus;
S2, user mobile phone terminal is installed the user mobile phone service software;
S3, vehicle launch, user mobile phone terminal is opened;
S4, the CAN bus is obtained the vehicle condition data and is sent to user mobile phone terminal by the Wireless Data Transmission mode, realizes real-time demonstration, fault diagnosis, the flash appeal of information of vehicles.
Wherein, the startup of vehicle can send control command by user mobile phone terminal, thereby triggers the startup that Vehicular power supply system is controlled vehicle motor.And user mobile phone terminal shows and the information of vehicles of collection can also record and store, be convenient to inquire about and further analysis and research in the future.
Intelligent radio diagnostic system of the present invention and method, can be to the vehicle operation data at-once monitor, and the monitoring speed of a motor vehicle, rotating speed, mileage, oil consumption, various malfunction, carry out the detailed problem demonstration; Can immediately read, remove the vehicle trouble code; Can carry out vehicle maintenance project monitoring prompting; Can carry out vehicle operation data and limit prompting; Can carry out urgent call, long range positioning relief (utilize existing mobile phone, realize by software); Can carry out data statistics, such as course continuation mileage is estimated, the same day distance travelled, running data recording, the oil consumption statistics of continuous several driving cycle pipes, instantaneous oil consumption, warning problem state, the record that refuels; Can be to door lock, engine, the local control of air-conditioning; Can carry out vehicle diagnostics, such as the OBD diagnosis, full car fault diagnosis, carry out vehicle maintenance prompting; Can be by the wave point of diagnostic equipment, diagnostic equipment is monitored by bluetooth module and vehicle, reduces the plug process.
Bluetooth wireless transmission module converts output audio signal, realize the bluetooth handsfree conversation, such as with mobile phone, matching, be connected, certainly be dynamically connected, caller ID shows, receive calls, call/dial extension, hang up the telephone, last code is replayed, the switching of hands-free and privacy mode, and phone directory downloads, message registration download, calling record/recording broadcasting, blue teeth wireless upgrading, Bluetooth system self diagnosis, the demonstration of mobile phone electric weight.
Whole vehicle factory provides the CAN bus protocol, air bag state according to communication, mobile phone carries out emergency call function, work as collision happens, control system of safety air bag can send collision alarm on the CAN bus, and system is carried out alarm calls or SMS alarm automatically, so that under the emergency circumstance (personnel are due in the injured situation of being unable to stir any more), call out and the current location of accident of note transmission, shorten rescue time.
About the local control function, its mobile phone is controlled the open locking of car door: use smart mobile phone to unblank and release, execute the rear automatic acquisition current state of action.The function of utilizing the module such as car body controller on automobile (BCM) to control car door, wireless diagnostic systems is communicated by letter with BCM, realizes the control of mobile phone to door lock, and this needs define relevant agreement with car load factory early stage; The startup of its mobile phone control engine: use smart mobile phone to send the control command to power-supply system by wireless diagnostic systems, make the power-supply management system can the starting engine system.And then realize the control of mobile phone to engine system, this needs wireless diagnostic systems and engine foundation to communicate by letter and the function definition; Its mobile phone carries out the control of air-conditioning: use smart mobile phone to control air-conditioning ON/OFF, execute the rear automatic acquisition current state of action, use smart mobile phone to adjust air-conditioning front row and rear row's temperature, precision is 0.5 degree, temperature range is 17-28 degrees centigrade, execute the rear automatic acquisition current state of action, this needs wireless diagnostic systems and air-conditioning to carry out bus communication and can respond relevant function definition; Its mobile phone carries out semiautomatic parking: use smart mobile phone to start to start/finish the instruction of semiautomatic parking, the control that relies on vehicle semiautomatic parking system to park, the control that the relevant system of need to parking and relevant module respond gear and brake and then realize this function, this needs the support of bus communication.
About the expanded application function, according to the demonstration of the increase in demand customizing messages of main engine plants and the change of parameter.For the variation that meets client and personalized demand, for the part setup parameter client of vehicle, may be unsatisfied with, wish to change according to own wish.Exercisable parameter configuration become present diversified demand.As: the time length of accompanying my returning function to open is set, and the acousto-optic switching of burglar alarm is set, and the modification of the sensitivity of rainfall sunlight sensor etc. are by the bus diagnostic mode, and the client can modify.
About network service, according to client's wish, select whether to need background service, background service is that the general data that help vehicle maintenance are collected in the 4S shop, do not invade customer privacy, active service is provided, the failure problems of remote prompting client vehicles, the maintenance issues of vehicle, the reservation maintenance waits service.
Further, can also realize the Bluetooth function upgrading by existing bluetooth module and housing.As shown in Figure 3, dotted line and dotted line wire frame have namely identified the functional module newly increased to bluetooth upgrading principle.
In actual applications, take the D009 bluetooth of C301-09 type of a vapour car Pentium B70 is example, the difference after its Bluetooth function upgrading:
– blue tooth interface box outside has increased the CAN bus interface, and wire harness has increased CAN_H and two lines of CAN_L;
– blue tooth interface box inside has increased CAN bus processing module, completes collection and the processing of bus data;
On the basis of the original hand-free function of – bluetooth, increase the agreement of data transmission, to mobile phone transmission information of vehicles;
– blue tooth interface box inside has increased the WiFi transport module, for the mobile phone of not supporting the blue-teeth data transmission, sets up WiFi and connects, the transmission information of vehicles;
– has front dress blue tooth products fixing installation site is arranged onboard, and wire harness is changed little, only needs to introduce the CAN bus;
– has ripe Bluetooth technology, can on current Bluetooth chip, realize simultaneously hand-free call and wireless data transmission function, and does not need to carry out large hardware change;
– has increased the wifi application circuit on the basis of existing blue tooth products;
This product of – should independence and sound system, takes external mode, reduces electromagnetic interference (EMI), is easy to function upgrading and after-sales service.
The above is only that the preferred embodiment of the present invention is described; not that scope of the present invention is limited; design under the prerequisite of spirit not breaking away from the present invention; various distortion and improvement that the common engineering technical personnel in this area make technical scheme of the present invention, all should fall in the definite protection domain of claims of the present invention.
Claims (10)
1. an intelligent radio diagnostic system, comprise CAN bus, wireless diagnostics interface box, user mobile phone terminal, it is characterized in that: described CAN bus is connected with the wireless diagnostics interface box; Described system configuration becomes by CAN bus collection vehicle information, and the mode of the vehicle condition data that will obtain by Wireless Data Transmission is sent to user mobile phone terminal.
2. intelligent radio diagnostic system as claimed in claim 1 is characterized in that: described CAN bus is by wireless diagnostics interface box and vehicle communication, carries out communication and alternately.
3. intelligent radio diagnostic system as claimed in claim 1 or 2, it is characterized in that: the vehicle condition data that described CAN bus will be obtained by least a transmission mode in Bluetooth wireless transmission or WIFI wireless transmission are sent to user mobile phone terminal.
4. intelligent radio diagnostic system as claimed in claim 1, it is characterized in that: described wireless diagnostics interface box comprises OBD data acquisition module, CAN bus module, WIFI wireless transport module, Bluetooth wireless transmission module.
5. intelligent radio diagnostic system as described as claim 1 or 4, it is characterized in that: described wireless diagnostics interface box exterior arrangement has the CAN bus interface.
6. intelligent radio diagnostic system as claimed in claim 4 is characterized in that: described OBD data acquisition module, CAN bus module, WIFI wireless transport module, Bluetooth wireless transmission module realize being connected in parallel by CAN bus interface and CAN bus.
7. intelligent radio diagnostic system as described as claim 4 or 6, it is characterized in that: described OBD data acquisition module is configured to be applicable to the OBD diagnosing protocol, carries out collection vehicle fault and running state data.
8. intelligent radio diagnostic system as described as claim 4 or 6, it is characterized in that: described CAN bus module is configured to carry out obtaining and sending of CAN bus data.
9. an intelligent radio diagnostic method, adopt intelligent radio diagnostic system as described as claim 1 to 14, and it is characterized in that: this intelligent radio diagnostic method comprises the steps:
S1, vehicle is installed the wireless diagnostics interface box, and is connected with vehicle power supply and CAN bus;
S2, user mobile phone terminal is installed the user mobile phone service software;
S3, vehicle launch, user mobile phone terminal is opened;
S4, the CAN bus is obtained the vehicle condition data and is sent to user mobile phone terminal by the Wireless Data Transmission mode, realizes real-time demonstration, fault diagnosis, the flash appeal of information of vehicles.
10. intelligent radio diagnostic system as claimed in claim 9, it is characterized in that: its startup that is arranged so that described vehicle can send control command by user mobile phone terminal, thereby triggers the startup that Vehicular power supply system is controlled vehicle motor.
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| CN108414245A (en) * | 2018-05-31 | 2018-08-17 | 武汉理工大学 | A kind of automobile-used failure diagnostic apparatus system of motor |
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| CN106774230B (en) * | 2015-11-19 | 2020-07-07 | 光阳工业股份有限公司 | Universal wireless diagnosis and communication device, wireless diagnosis and communication system, and wireless diagnosis and communication method |
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| CN107444312A (en) * | 2017-07-21 | 2017-12-08 | 湖北美轮易行科技有限公司 | OfCondition Monitoring System for Vehicle and method based on automobile OBD diagnostic systems |
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Application publication date: 20131127 |