CN103970114A - Intelligent processing module of OBD system - Google Patents
Intelligent processing module of OBD system Download PDFInfo
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- CN103970114A CN103970114A CN201310031899.9A CN201310031899A CN103970114A CN 103970114 A CN103970114 A CN 103970114A CN 201310031899 A CN201310031899 A CN 201310031899A CN 103970114 A CN103970114 A CN 103970114A
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Abstract
The invention belongs to the technical field of Internet of vehicles, and particularly relates to an intelligent processing module of an OBD system. The intelligent processing module of the OBD system mainly comprises three basis functional modules including a core processor, a data storage module and a wireless data transmission module. The intelligent processing module of the OBD system can achieve active and spontaneous interaction with an on board computer of a vehicle, and achieve the functions of collecting, processing, storing and sending data of the on board computer independently at the hardware end. The intelligent processing module of the OBD system can carry out periodic data transmission on mobile terminals such as mobile phones and tablet personal computers, influence on normal use of the mobile internet or Bluetooth communication by users is reduced to the maximum extent, driving data can be integrally transmitted from the vehicle end to the mobile terminal end, and user experience is improved greatly. The intelligent processing module of the OBD system further has the advantages of the low power consumption, universality, usability, safety, high-added-value serviceability and the like.
Description
Technical field
The present invention relates to a kind of data sampling and processing and transport module, be specifically related to a kind of onboard diagnostic system intelligent processing module, belong to car networking technology field.
Background technology
The effect of onboard diagnostic system (On Board Diagnostic, OBD) is detect the each system operational parameters of automobile and read vehicle operation data, and its object is mainly in order to detect motor vehicle exhaust emission at first, to meet the requirement of environmental protection.Along with the development of technology, the application of OBD at present expands to the detection of complete each sensor of car and the access of vehicle-mounted computer considerably beyond simple environmental protection tests.System can enter respectively the system such as engine, wheel box by vehicle-mounted computer read failure code and other sensing data after starting, finally carry out data access by the standard OBD interface and the external unit that are configured in bearing circle below.
Along with the development of car networking technology, increasing people begins one's study and obtains the method for travelling data from OBD interface, then transfers data to server end analysis, processes.This way can be by car owner's vehicle condition, and the data such as use habit are effectively integrated and analyzed, and can further set up data sharing with automobile production, sale service business, and valuable data message is provided.
At present, on market, there are several data analysis products based on OBD, such as Torque and scanmaster are respectively two popular in the world OBD data analysis software, can use at mobile phone terminal and computer end.These products all need the OBD interface that connects vehicle by hardware to obtain travelling data, then are transferred to mobile phone or computer is analyzed and shows by wired or wireless mode.Therefore, OBD interface module is key modules indispensable in whole system.Popular OBD interface module is all to obtain OBD data by the mode of bridging at present, cannot work alone.OBD interface module in this connected mode has only played the effect of bridging, need to send instruction by mobile phone or computer end software, then by bridging, instruction is sent to vehicle-mounted computer by vehicle-mounted OBD interface, the software that then vehicle-mounted computer returns to data mobile phone or computer end by OBD interface and bridging is to show data.The shortcoming of this transmission mode is that software need to play transmission instruction and reception simultaneously, present the effect of data, if can consume a large amount of electric weight and affect mobile phone runnability in the time that mobile phone terminal uses.In order to obtain real-time data, mobile phone or computer need constantly and bridging module is carried out data transmission, and this further increases computational load and the electric quantity consumption of mobile phone or computer end.In addition, because OBD interface module does not possess data storage capacities, the travelling data obtaining from vehicle-mounted computer cannot be stored in hardware end.Therefore,, even if OBD interface module is in running order, if do not opened in the program of mobile phone or computer end, travelling data cannot collected and storage.And because working procedure need to take a large amount of mobile phone resources and electric quantity consumption, user is generally reluctant to cause travelling data completely to obtain by long-time opening program.
Another kind of more novel OBD Design of Interface Module has adopted general packet radio service technology (GeneralPacket Radio Service-GPRS) or third generation digital communication technology (3
rdetc. Generation-3G) travelling data is directly uploaded to the webserver by technology, the advantage of this mode is travelling data to be directly transferred to server go forward side by side row operation and storage, but pay certain expense because this type of mechanics of communication all needs user, so promote more difficult.
Summary of the invention
In view of this, the object of the invention is to propose a kind of onboard diagnostic system intelligent processing module, to solve existing data acquisition based on OBD interface and the problem of transmission method.
For reaching above-mentioned purpose of the present invention, the present invention proposes a kind of onboard diagnostic system intelligent processing module, comprise: the core processor that by onboard diagnostic system interface, vehicle-mounted computer is carried out data acquisition and computing, for data memory module that the data that collect are stored, for the wireless data transfer module that carries out wireless telecommunications with outside mobile terminal device.Described data memory module is nonvolatile memory, and described wireless data transfer module can carry out periodic data transmission with described outside mobile terminal device.
Described onboard diagnostic system intelligent processing module, also comprises the port being connected with onboard diagnostic system interface.
The core processor of described onboard diagnostic system intelligent processing module can carry out computing and compression processing to data.
The mode of the described periodic data transmission of described onboard diagnostic system intelligent processing module is that described wireless data transfer module is periodically set up bluetooth with described mobile terminal device or WLAN (wireless local area network) (WIFI) is connected, thereby periodically the data transmission in described data memory module is arrived to the process of described mobile terminal device.
Described periodically to set up that bluetooth or WLAN (wireless local area network) connect be periodically started and interrupted that wireless connections realize by the described wireless data transfer module of described onboard diagnostic system intelligent processing module, specifically has following several mode:
1. realize by the power supply of wireless data transfer module described in periodicity opening and closing.
2. broadcast to realize by the wireless signal of wireless data transfer module described in periodicity opening and closing.
3. realize by the wireless signal parameter of wireless data transfer module described in periodically-varied.
Described outside mobile terminal device comprises smart mobile phone, panel computer, personal electric assistant (PersonalDigital Assistant-PDA) and notebook computer.
Onboard diagnostic system intelligent processing module of the present invention has the following advantages:
Onboard diagnostic system intelligent processing module of the present invention can initiatively spontaneously carry out alternately with vehicle-mounted computer, has realized at independent collection, processing, storage and the sending function to vehicle-mounted computer data of hardware end.
Onboard diagnostic system intelligent processing module of the present invention can carry out periodic data transmission to mobile terminal device, wireless telecommunications in the case of user without long-time unlatching mobile terminal device, also can complete collection and the storage of travelling data, and the end of in good time being uploaded onto the server in connecting free nets by outside mobile terminal device, greatly improve user's experience, and whole data acquisition and transmitting procedure are without user's operation, have improved to the full extent user's experience.Periodic data transmission mode of the present invention can periodically be set up WIFI with mobile terminal device or bluetooth is connected to transmit travelling data at hardware end, at DTD or after exceeding setting-up time hardware end can be by powered-down, close radio broadcasting or change the methods such as wireless setting and initiatively disconnect and the wireless connections of mobile terminal device, the length in cycle can freely be controlled according to actual conditions by system.Because data volume is less, the needed time of Wireless Data Transmission is very short, can be set in longer a period of time disconnection of wireless connection in the time of default after, short time open wireless has connected transmission, guarantees that user is subject to impact and the interference of minimum level in the time using GPRS, 3G or other bluetooth equipments.
Onboard diagnostic system intelligent processing module of the present invention also has the advantages such as low-power consumption, versatility, ease for use, security and high value-added service.
Brief description of the drawings
Fig. 1 is the schematic diagram of a kind of embodiment of onboard diagnostic system intelligent processing module of the present invention.
Fig. 2 is the process flow diagram of the periodic data transmission of onboard diagnostic system intelligent processing module of the present invention.
Embodiment
Fig. 1 is a kind of embodiment of onboard diagnostic system intelligent processing module of the present invention.As shown in Figure 1, the onboard diagnostic system intelligent processing module of the present embodiment mainly comprises: onboard diagnostic system interface, for managing the power management module of OBD power supply as system power supply, be connected with vehicle-mounted computer by onboard diagnostic system interface and realize the core processor to vehicle-mounted computer data acquisition and calculation process, for the data memory module that the data of core processor collection and calculation process are stored, for the wireless data transfer module that core processor and mobile terminal device are carried out to wireless telecommunications, also add in addition in the present embodiment GPS (Global Positioning System) locating module for obtaining the positional information of vehicle.
The core processor of the onboard diagnostic system intelligent processing module of the present embodiment is the microprocessor chip based on ARM framework, the acquisition and processing to vehicle-mounted computer data be can in the situation that there is no external software instruction, realize, and can computing, compression processing be carried out to reach the object that reduces data volume to data simultaneously.
The data memory module of the onboard diagnostic system intelligent processing module of the present embodiment adopts nonvolatile memory, as flash memory.After onboard diagnostic system intelligent processing module starts, the travelling data that core processor collects can be stored in data memory module, and keeps data in the situation that of power-off, guarantees the integrality of data.
The wireless data transfer module of car owner's diagnostic system intelligent processing module of the present embodiment is supported WLAN (wireless local area network) and blue-tooth technology simultaneously, by core processor, closing with open wireless signal of its issuing command property performance period realized and the periodicity wireless connections of mobile terminal device, cycle length can dynamically be controlled by core processor.
The mobile terminal device of the present embodiment can be smart mobile phone, panel computer or notebook computer.
Fig. 2 has shown that the onboard diagnostic system intelligent processing module of the present embodiment carries out a kind of flow process of periodic data transmission to mobile terminal device, system can complete the periodic transmission of data on backstage in the situation that not needing mobile terminal device to continue open wireless communication function in this way, its object is to guarantee that user can be stored in travelling data in the data memory module of onboard diagnostic system intelligent processing module in the case of the wireless communication function of turning-off mobile terminal equipment, to will be stored in the data transmission of not transmitting in data memory module to mobile terminal device in the time that next car owner opens the wireless communication function of mobile terminal device, guarantee in this way the integrality of data.Meanwhile, due to the priority of WIFI, in the time that onboard diagnostic system intelligent processing module and mobile terminal device are set up WIFI and be connected, mobile terminal device can disconnect and being connected of original GPRS or 3G network, and causes user cannot obtain internet data.Therefore, periodic data transmission mode in the present embodiment can be set up in a short period of time wireless connections and complete rapidly the transmission of data from onboard diagnostic system intelligent processing module to mobile terminal device, then disconnection of wireless connects immediately, user can the original GPRS of immediate recovery or 3G connect, reduce to the full extent the interference that user is used to internet.
Illustrate the periodic data transfer process in Fig. 2 below:
After automobile starting, onboard diagnostic system intelligent processing module also can start thereupon, starts immediately vehicle-mounted computer conduct interviews and obtain data, and stores data in data memory module.Meanwhile the wireless data transfer module of onboard diagnostic system intelligent processing module also can be opened, overseas broadcast bluetooth or wireless lan signal.If now system has detected the built vertical wireless connections of mobile terminal device, can start to transmit data, if there is no mobile terminal device access, system can keep wireless signal to continue to open and continue detecting having or not mobile terminal device access.Setting up after wireless connections, the transmission of data can initiatively be initiated request by mobile terminal device end, or by onboard diagnostic system intelligent processing module active push data.When this data transfer is complete or the transmission time reached after the systemic presupposition time, system will be by closing wireless data transfer module power supply, close wireless signal and broadcast or change the wireless connections of the method active disconnections such as wireless signal parameter and mobile terminal device, and the time of waiting system setting.Now user will normally use the internet communication such as GPRS or 3G, until the system wait time finishes, system, by the wireless signal of open wireless data transmission module again, enters next data transfer cycle.If system cannot connect or data transmission fails with mobile terminal device, travelling data will be stored in the data memory module of system, in order to transmission next time.
The present embodiment can be guaranteed the integrality of car owner's travelling data to the full extent, and in the time of car owner's mobile terminal device accessing Internet, upload the data to server end in good time and carry out further computing and storage, whole process has reduced the interference to user to the full extent, simultaneously without the data upload expense outside car owner's amount paid.
As mentioned above, in the situation that not departing from spirit and scope of the invention, can also form many embodiment that have very big difference.Should be appreciated that except as defined by the appended claims, the invention is not restricted at the specific embodiment described in instructions.
Claims (9)
1. an onboard diagnostic system intelligent processing module, comprise: the core processor that by onboard diagnostic system interface, vehicle-mounted computer is carried out data acquisition and computing, for the data memory module that the data that collect are stored, be used for the wireless data transfer module that carries out wireless telecommunications with outside mobile terminal device, it is characterized in that: described data memory module is nonvolatile memory, described wireless data transfer module can carry out periodic data transmission with described outside mobile terminal device.
2. onboard diagnostic system intelligent processing module as claimed in claim 1, is characterized in that, also comprises the port being connected with onboard diagnostic system interface.
3. onboard diagnostic system intelligent processing module as claimed in claim 1, is characterized in that, described core processor can carry out computing and compression processing to data.
4. onboard diagnostic system intelligent processing module as claimed in claim 1, it is characterized in that, the mode of described periodic data transmission is that described wireless data transfer module is periodically set up bluetooth with described mobile terminal device or WLAN (wireless local area network) (WIFI) is connected, thereby periodically the data transmission in described data memory module is arrived to the process of described mobile terminal device.
It is 5. as claimed in claim 4 that periodically to set up that bluetooth or WLAN (wireless local area network) connect be periodically started and interrupted that wireless connections realize by the described wireless data transfer module of described onboard diagnostic system intelligent processing module.
6. wireless data transfer module periodicity as claimed in claim 5 startup and interruption wireless connections are to realize by the power supply of wireless data transfer module described in periodicity opening and closing.
7. wireless data transfer module periodicity as claimed in claim 5 startup and interruption wireless connections are to broadcast to realize by the wireless signal of wireless data transfer module described in periodicity opening and closing.
8. periodically to start and interrupt wireless connections be that the parameter of the wireless signal by wireless data transfer module described in periodically-varied realizes for wireless data transfer module as claimed in claim 5.
9. mobile terminal device as claimed in claim 1 comprises smart mobile phone, panel computer, personal electric assistant (Personal Digital Assistant, PDA) and notebook computer.
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| CN201310031899.9A CN103970114A (en) | 2013-01-29 | 2013-01-29 | Intelligent processing module of OBD system |
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| CN106228641A (en) * | 2016-09-18 | 2016-12-14 | 华南理工大学 | A kind of automatic safe detecting system for coach and method |
| CN107094283A (en) * | 2017-04-26 | 2017-08-25 | 北京望远迅杰科技有限公司 | A kind of Bluetooth communication method between clarifier and intelligent terminal |
| CN107426806A (en) * | 2017-07-17 | 2017-12-01 | 深圳市盛路物联通讯技术有限公司 | Internet-of-things terminal transmits the method and device of data |
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| CN110647139A (en) * | 2019-10-11 | 2020-01-03 | 无锡沃尔福汽车技术有限公司 | Evaluation test tool and evaluation test method for OBD (on-Board diagnostics) mass production vehicle |
| CN111086469A (en) * | 2018-08-10 | 2020-05-01 | 深圳市嘉瀚科技有限公司 | Vehicle-mounted diagnosis system |
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| CN104635723A (en) * | 2014-12-25 | 2015-05-20 | 天泽信息产业股份有限公司 | WIFI (wireless fidelity) OBD (on-board diagnostic) diagnostic instrument connecting method and application to Internet of vehicles |
| CN104614772A (en) * | 2015-01-22 | 2015-05-13 | 深圳市市政设计研究院有限公司 | Measured data transmission method of high-density electrical method |
| CN106228641A (en) * | 2016-09-18 | 2016-12-14 | 华南理工大学 | A kind of automatic safe detecting system for coach and method |
| CN107479525A (en) * | 2016-12-23 | 2017-12-15 | 宝沃汽车（中国）有限公司 | Vehicle remote diagnosis system and its control method |
| CN107479525B (en) * | 2016-12-23 | 2019-09-20 | 宝沃汽车（中国）有限公司 | Vehicle remote diagnosis system and its control method |
| CN107094283A (en) * | 2017-04-26 | 2017-08-25 | 北京望远迅杰科技有限公司 | A kind of Bluetooth communication method between clarifier and intelligent terminal |
| CN107426806A (en) * | 2017-07-17 | 2017-12-01 | 深圳市盛路物联通讯技术有限公司 | Internet-of-things terminal transmits the method and device of data |
| CN107426806B (en) * | 2017-07-17 | 2021-01-26 | 深圳市盛路物联通讯技术有限公司 | Method and device for transmitting data by Internet of things terminal |
| CN112965465A (en) * | 2018-01-19 | 2021-06-15 | 深圳市道通科技股份有限公司 | Automobile diagnostic instrument, operation system method thereof and automobile diagnostic system |
| CN111086469A (en) * | 2018-08-10 | 2020-05-01 | 深圳市嘉瀚科技有限公司 | Vehicle-mounted diagnosis system |
| CN110647139A (en) * | 2019-10-11 | 2020-01-03 | 无锡沃尔福汽车技术有限公司 | Evaluation test tool and evaluation test method for OBD (on-Board diagnostics) mass production vehicle |
| CN110647139B (en) * | 2019-10-11 | 2022-10-14 | 无锡沃尔福汽车技术有限公司 | Evaluation test tool and evaluation test method for OBD (on-Board diagnostics) mass production vehicle |
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