CN103605354A - Multifunctional vehicle terminal device - Google Patents
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- CN103605354A CN103605354A CN201310634648.XA CN201310634648A CN103605354A CN 103605354 A CN103605354 A CN 103605354A CN 201310634648 A CN201310634648 A CN 201310634648A CN 103605354 A CN103605354 A CN 103605354A
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Abstract
The invention provides a multifunctional vehicle terminal device which comprises a GPS positioning module, a GPRS communication module, a CAN bus processing module, a microcontroller and a data storage module. The GPR positioning module is used for acquiring position information and real-time time of a vehicle, the GPRS communication module is used for carrying out data interaction with a monitoring center, the CAN bus processing module is used for being communicated with a vehicle controller of the vehicle through a CAN bus, the microcontroller is used for receiving current state message data and current vehicle operation and traveling message data, obtaining the location information and the real-time information of the vehicle through the GPS positioning module when the occurrence of problems is judged, and sending alarming instructions to the monitoring center through the GPRS communication module when the need for alarming is judged, and the data storage module is used for storing the interaction data in the control process of the microcontroller. The multifunctional vehicle terminal device has the functions of GPRS, GPS and CAN communication and data storage functions, and the real-time monitoring of the vehicle, the real-time data reporting of the vehicle and the real-time storage of vehicle data by the remote center and the remote monitoring management, fault diagnosis, software upgrading and parameter calibration of the vehicle can be achieved.
Description
Technical field
The present invention relates to vehicle technology field, particularly a kind of multi-functional vehicle termination equipment.
Background technology
Existing pure electric automobile is shorter at car load control field development time, need to have a large amount of running data recordings and car inner part running state parameter to record to support data mining and the analysis of entire car controller.Also need to adjust and change in real time in future parameters of operating part and the optimisation strategy of entire car controller simultaneously.This just needs one with car the travel all states of real time record vehicle and operation and have GPRS(General Packet Radio Service, general packet radio service technology) send and GPS(Global Positioning System GPS) part of appliance of a plurality of timing location such as record and network transmission.
Traditional drive recorder, by the function that starts the engine and can record a video and make video recording immediately, sees through image and sound in high definition camera lens photorecording Vehicle Driving Cycle way.But there is following defect: traditional drive recorder does not have network to send and records the function that overall vehicle is moved all data and the parameter of entire car controller and state are adjusted.
Summary of the invention
Object of the present invention is intended at least solve one of described technological deficiency.
For this reason, the object of the invention is to propose a kind of multi-functional vehicle termination equipment, comprising: GPS locating module, for obtaining positional information and the real-time time of described vehicle; GPRS communication module, for carrying out data interaction with Surveillance center; CAN bus processing module, carries out communication for the entire car controller with described vehicle by CAN bus; Microcontroller, described microcontroller is connected with described GPS locating module, described GPRS communication module and described CAN bus processing module respectively, for receiving described entire car controller by current state message data and vehicle current operation and the message data that travels in the car of described CAN bus processing module transmission, and when judgement goes wrong, by described GPS locating module, obtain positional information and the real-time time of described vehicle, and when need to reporting to the police, judgement to described Surveillance center, sends alarm command by described GPRS communication module; Data memory module, described data memory module and described microcontroller carry out communication, for storing the interaction data of described microprocessor controls process.
In one embodiment of the invention, when microcontroller powers on, GPS locating module and GPRS communication module carry out self check, and microcontroller carries out initialization simultaneously; Microcontroller completes after initialization, automatically detects the current state of GPS locating module and GPRS communication module, and is sent AT instruction and register SIM card to GPRS communication module by serial ports.
In yet another embodiment of the present invention, GPS locating module is in microcontroller initialization procedure, in warm start state.
In another embodiment of the present invention, also comprise 1～3 CAN bus processing module, wherein each CAN bus processing module is connected with the management system of vehicle.
Preferably, microcontroller communicates by SPI Serial Peripheral Interface (SPI) and data memory module, and wherein data memory module is high power capacity SD storage card SDHC card.
Preferably, described microprocessor comprises: data filtering module, for current state message data in the car receiving and vehicle current operation and the message data that travels are filtered to also extracting parameter information, and complete supplemental characteristic definition according to CAN bus communication consensus standard, extract current state message data and vehicle current operation and the message data that travels in corresponding car; Demarcate processing module, described microcontroller is after receiving the data field of GPRS communication module transmission, data field is analyzed and met after the protocol requirement of vehicle parameter demarcation in judgement data field, start and demarcate processing module, described demarcation processing module sends CAN Frame to entire car controller.
Further, described microprocessor also comprises: one or more in long-range handshake module, long-range programming module and remote control module, wherein, the communication connection of described long-range handshake module for setting up described microcontroller and described entire car controller; The data programming that long-range programming module is used for described entire car controller to send is to described microcontroller; Remote control module is carried out corresponding actions for send remote control command to described entire car controller to control described entire car controller.
In one embodiment of the invention, described microprocessor comprises at least two RS232 interfaces and at least one CAN interface.
In yet another embodiment of the present invention, described microprocessor is 16 or 32 single-chip microcomputers.
In another embodiment of the present invention, the positional information of the vehicle that described GPS locating module obtains comprises longitude and the latitude value of vehicle.
According to the multi-functional vehicle termination equipment of the embodiment of the present invention, possess GPRS, GPS, CAN communication and data storage function, can realize remote center to the real-time data of real-time monitoring, the vehicle of vehicle report, the real-time storage of vehicle data and remote monitoring and administration, fault diagnosis, software upgrading and the parameter calibration of realizing vehicle.
The aspect that the present invention is additional and advantage in the following description part provide, and part will become obviously from the following description, or recognize by practice of the present invention.
Accompanying drawing explanation
Above-mentioned and/or additional aspect of the present invention and advantage accompanying drawing below combination obviously and is easily understood becoming the description of embodiment, wherein:
Fig. 1 is the schematic diagram of multi-functional according to an embodiment of the invention vehicle termination equipment;
Fig. 2 is the schematic diagram of multi-functional in accordance with another embodiment of the present invention vehicle termination equipment;
Fig. 3 is according to the level schematic diagram of the multi-functional vehicle termination equipment of the embodiment of the present invention;
Fig. 4 is according to the schematic internal view of bus processing logic in the bottom logic of the embodiment of the present invention.
Embodiment
Describe embodiments of the invention below in detail, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has the element of identical or similar functions from start to finish.Below by the embodiment being described with reference to the drawings, be exemplary, be intended to for explaining the present invention, and can not be interpreted as limitation of the present invention.
In the present invention, unless otherwise clearly defined and limited, the terms such as term " installation ", " being connected ", " connection ", " fixing " should be interpreted broadly, and for example, can be to be fixedly connected with, and can be also to removably connect, or connect integratedly; Can be mechanical connection, can be to be also electrically connected to; Can be to be directly connected, also can indirectly be connected by intermediary, can be the connection of two element internals.For the ordinary skill in the art, can understand as the case may be above-mentioned term concrete meaning in the present invention.
Below with reference to Fig. 1 to Fig. 4, describe according to the multi-functional vehicle termination equipment of the embodiment of the present invention.Multi-functional vehicle termination equipment provided by the invention can coordinate the needs of operational factor in the vehicle management system collection, processing, renovated bus of new forms of energy pure electric automobile, provides to be easy to safeguard and travelling of integral extension recorded and opertaing device.
As shown in Figure 1, the multi-functional vehicle termination equipment of the embodiment of the present invention, comprising: GPS locating module 110, GPRS communication module 120, CAN bus processing module 130, microcontroller 140 and data memory module 150.
Particularly, GPS locating module 110 can obtain positional information and the real-time time of vehicle.Wherein, GPS locating module 110 can be GPS real-time communication module.
Particularly, by GPS locating module 110 obtaining informations, by GPRS communication module 120 and external data center, carry out communication, real-time report or issue automobile parameter data simultaneously.
CAN bus processing module 130 can be carried out communication by CAN bus with the entire car controller 160 of vehicle.130 mouthfuls of CAN bus processing modules are at least connected with the entire car controller 160 of vehicle.When having a plurality of CAN mouth, will be connected with each management system controller in car respectively, according to mathematical logic, control and each management system interaction data information of vehicle.
Preferably, the multi-functional vehicle termination equipment of the embodiment of the present invention also comprises 1～3 CAN bus processing module, and wherein, each CAN bus processing module is connected with the management system of vehicle.In other words, CAN bus processing module 130 has one at least, can have at most four CAN bus processing modules 130 to process bus data.
Fig. 3 is according to the level schematic diagram of the multi-functional vehicle termination equipment of the embodiment of the present invention.As shown in Figure 3, multi-functional vehicle termination equipment 1 is positioned at top layer, thus, be step by step: 32 8-digit microcontrollers 140, CAN bus processing module 130, wherein CAN bus processing module 130 includes CAN bus processing logic, be down GPS locating module 110, GPRS communication module 120 and data memory module 150 again, wherein, lower one deck of data memory module 150 is database processing module 170, for the data of data memory module 150 storages are carried out to subsequent treatment.
In one embodiment of the invention, GPS locating module 110 and GPRS communication module 120 carry out self check, and microcontroller 140 carries out initialization simultaneously; Microcontroller 140 completes after initialization, automatically detects the current state of GPS locating module 110 and GPRS communication module 120, and is sent AT instruction and register SIM card to GPRS communication module 120 by serial ports.
In yet another embodiment of the present invention, when microcontroller 140 powers on, GPS locating module 110 is in microcontroller 140 initialization procedures, in warm start state.Particularly, because GPS locating module 110 under common state is consuming time a lot of when obtaining GPS position, microcontroller 140, when initialization, will guarantee that GPS locating module 110 is in warm start state as far as possible.If GPS locating module 110 enters cold start mode, microcontroller 140 is by the operation postponing the real-time GPRS communication module of GPS, hang up corresponding communication interface, until 110 startups of GPS locating module are complete, microcontroller 140 produces mutual more in real time with GPS locating module 110, complete corresponding functional module.
In examples more of the present invention, the positional information of the vehicle that GPS locating module 110 can obtain comprises longitude and the latitude value of vehicle.
Particularly, microprocessor 140, by serial ports and GPS locating module 110 and GPRS communication module 120 real-time, interactives, is undertaken by CAN bus and the entire car controller through CAN bus processing module 130 after data process method alternately.When microprocessor 140 powers on, GPRS communication module 120 and GPS locating module 110 will carry out self check, and microprocessor 140 carries out chip initiation process simultaneously.
After the chip initiation of microprocessor 140 completes, will automatically detect the current state of GPS locating module 110 and GPRS communication module 120, and send AT instruction by serial ports, registration SIM card is also obtained current clock signal.
Preferably, microcontroller 140 communicates by SPI Serial Peripheral Interface (SPI) and data memory module 150, and wherein, data memory module is high power capacity SD storage card SDHC card.In one embodiment of the invention, use the SDHC of 4 classes to stick into the storage of row data, in this SDHC card, realize the security that FAT32 form framework guarantees the integrality of data storage.Data storage guarantees the convenience of following search data and data query by the mode by tree-like sub-directory, and guarantees the top performance of data storage in SDHC card.
Particularly, as shown in Figure 2, microcontroller 140 comprises CAN bus data processing logic and database stored logic.By above-mentioned two kinds of logics, CAN bus processing module 130 and database memory module 150 can be got up alternately.This processing logic is controlled and is changed according to GPRS communication module 120 and according to GPS locating module 110, the data of database squeezed into time mark, and the logic control of setting up communication according to it for upper strata microcontroller 140 is demarcated contact unit and set up communication management unit for what arrange the communication succession of unit module and rule.
As shown in Figure 4, microprocessor 140 comprises: data filtering module 141 and demarcation processing module 142.Wherein, data filtering module 141 can to current state message data in the car receiving and vehicle current operation and the message data that travels filters and extracting parameter information, and complete supplemental characteristic definition according to CAN bus communication consensus standard, extract current state message data and vehicle current operation and the message data that travels in corresponding car.
In one embodiment of the invention, microprocessor 140 also comprises: one or more in long-range handshake module 143, long-range programming module 144 and remote control module 145.
Particularly, long-range handshake module 143 can be set up the communication connection of microcontroller 140 and entire car controller.The data programming that long-range programming module 144 can send entire car controller is to microcontroller 140.Remote control module 145 can send remote control command to entire car controller and carry out corresponding actions to control entire car controller.
In one embodiment of the invention, the built-in or expansion of microprocessor 140 comprises at least two RS232 interfaces and at least one CAN interface.
In yet another embodiment of the present invention, microprocessor 140 can be 16 or 32 single-chip microcomputers.
In another embodiment of the present invention, the medium of the data of storage automobile parameter and state can be SD(Secure Digital Memory Card, safe digital card) card, MC(Miniature Card) card, TF(Trans-flash Card) card or micro harddisk.
Below data process method and storage decision logic are described respectively.
Data process method, based on CAN bus interaction process function, completes the processing logic function that at least comprises data filtering module 141 and demarcate processing module 142.Wherein, for driving record function, requirement has at least a CAN bus interactive module to carry out in the situation of work, current state message data and vehicle current operation and the message data that travels in the car that on reception pure electric automobile, the entire car controller 160 of vehicle management system sends.
Data process method is according to the requirement of data filtering module 141, the parameter information that filters and extract the interior current state message data of car and vehicle current operation and travel in message data, the supplemental characteristic definition completing according to pure electric automobile CAN bus communication consensus standard, extracts current status data and vehicle current operation and running data in corresponding car.
In one embodiment of the invention, microprocessor 140 comprises at least region of memory of 4MB, by the current information obtaining in data process method, is saved to region of memory storage.
Storage decision logic is started working after microprocessor 140 initialization complete.Storage decision logic can check every 1ms the region of memory of microprocessor 140, judge in the car of region of memory that current status data and vehicle current operation and running data are whether in pure electric automobile normal running and the range of operation of travelling, in the judgement morphology of storage in decision logic and semantic logic, judge current status data in car or vehicle current operation and running data and occur possible problem, the real-time time obtaining according to GPS locating module 110 and longitude and latitude, data in cars all within the scope of a period of time before and after going wrong are all recorded in data repository.
The demarcation processing module 142 of data process method is that the UDP message frame sending according to GPRS communication module 120 triggers.GPRS communication module 120 enters interrupt inquiry state after initialization completes and successfully registers SIM card.When successfully receiving the UDP message Zheng Hou，Jiang corresponding data district that meets logic judgement, by serial ports, send to MCU central processing unit.Microprocessor 140 analyzes according to the requirement of pure electric vehicle programming, demarcation, demonstration remote interaction agreement the data field that serial ports receives.If the protocol requirement that vehicle parameter is demarcated is realized in data field, will, according to pure electric vehicle car load CAN communications protocol, start and demarcate the corresponding CAN Frame of processing module 142 transmission to entire car controller 160.Entire car controller 160 is protocol analysis, and feeds back same data and return drive recorder.When microprocessor 140 is by data process method, receive and return to accordingly frame, represent that drive recorder and entire car controller 160 completion systems are synchronous.When GPRS communication module 120 sends nominal data again, drive recorder can directly transfer to entire car controller 160 wait-for-response.After receiving corresponding response, send again next frame data, until whole the completing of demarcating.
The present embodiment is to use GPRS communication module 120Yu Surveillance center to carry out communication.When driving recording and opertaing device are by storage decision logic, judge that current status data in car or vehicle current operation and running data occur that illegal morphology is used and during semantic logic, trigger the alarm decision of microprocessor 140, when microprocessor 140 detects this errorlevel not higher than vehicle safe driving the lowest class, only by SPI serial communication bus, data in a period of time before and after the data that occur reporting to the police are stored in data repository and preserved.When there is serious warning, microprocessor 140 can according to pure electric vehicle remote monitoring protocol, send corresponding AT interactive instruction by GPRS communication module 120, sends the data to Surveillance center.The alert data that Surveillance center can upload up according to vehicle, sending controling instruction, requires vehicle to upload the monitor data within the scope of certain hour.
Surveillance center also can be according to pure electric vehicle remote monitoring protocol, direct sending controling instruction, the in real time transport condition of monitoring vehicle and current service data.
According to the multi-functional vehicle termination equipment of the embodiment of the present invention, possess GPRS, GPS, CAN communication and data storage function, can realize remote center to the real-time data of real-time monitoring, the vehicle of vehicle report, the real-time storage of vehicle data and remote monitoring and administration, fault diagnosis, software upgrading and the parameter calibration of realizing vehicle.
In the description of this instructions, the description of reference term " embodiment ", " some embodiment ", " example ", " concrete example " or " some examples " etc. means to be contained at least one embodiment of the present invention or example in conjunction with specific features, structure, material or the feature of this embodiment or example description.In this manual, the schematic statement of above-mentioned term is not necessarily referred to identical embodiment or example.And the specific features of description, structure, material or feature can be with suitable mode combinations in any one or more embodiment or example.
Although illustrated and described embodiments of the invention above, be understandable that, above-described embodiment is exemplary, can not be interpreted as limitation of the present invention, those of ordinary skill in the art can change above-described embodiment within the scope of the invention in the situation that not departing from principle of the present invention and aim, modification, replacement and modification.Scope of the present invention is extremely equal to and limits by claims.
Claims (10)
1. a multi-functional vehicle termination equipment, is characterized in that, comprising:
GPS locating module, for obtaining positional information and the real-time time of described vehicle;
GPRS communication module, for carrying out data interaction with Surveillance center;
CAN bus processing module, carries out communication for the entire car controller with described vehicle by CAN bus;
Microcontroller, described microcontroller is connected with described GPS locating module, described GPRS communication module and described CAN bus processing module respectively, for receiving described entire car controller by current state message data and vehicle current operation and the message data that travels in the car of described CAN bus processing module transmission, and when judgement goes wrong, by described GPS locating module, obtain positional information and the real-time time of described vehicle, and when need to reporting to the police, judgement to described Surveillance center, sends alarm command by described GPRS communication module;
Data memory module, described data memory module and described microcontroller carry out communication, for storing the interaction data of described microprocessor controls process.
2. multi-functional vehicle termination equipment as claimed in claim 1, is characterized in that, when described microcontroller powers on, described GPS locating module and described GPRS communication module carry out self check, and described microcontroller carries out initialization simultaneously;
Described microcontroller completes after initialization, automatically detects the current state of described GPS locating module and described GPRS communication module, and is sent AT instruction and register SIM card to described GPRS communication module by serial ports.
3. multi-functional vehicle termination equipment as claimed in claim 1, is characterized in that, described GPS locating module is in described microcontroller initialization procedure, in warm start state.
4. multi-functional vehicle termination equipment as claimed in claim 1, is characterized in that, also comprises: 1～3 CAN bus processing module, wherein described in each, CAN bus processing module is connected with the management system of described vehicle.
5. multi-functional vehicle termination equipment as claimed in claim 1, is characterized in that, described microcontroller communicates by SPI Serial Peripheral Interface (SPI) and described data memory module, and wherein, described data memory module is high power capacity SD storage card SDHC card.
6. multi-functional vehicle termination equipment as claimed in claim 1, is characterized in that, described microprocessor comprises:
Data filtering module, for current state message data and vehicle current operation and the message data that travels in the described car receiving are filtered and extracting parameter information, and complete supplemental characteristic definition according to CAN bus communication consensus standard, extract current state message data and vehicle current operation and the message data that travels in corresponding car;
Demarcate processing module, described microcontroller is after receiving the data field of described GPRS communication module transmission, described data field is analyzed and met after the protocol requirement of vehicle parameter demarcation in the described data field of judgement, start described demarcation processing module, described demarcation processing module sends CAN Frame to described entire car controller.
7. multi-functional vehicle termination equipment as claimed in claim 1, is characterized in that, described microprocessor also comprises: one or more in long-range handshake module, long-range programming module and remote control module,
Wherein, the communication connection of described long-range handshake module for setting up described microcontroller and described entire car controller;
The data programming that described long-range programming module is used for described entire car controller to send is to described microcontroller;
Described remote control module is carried out corresponding actions for send remote control command to described entire car controller to control described entire car controller.
8. multi-functional vehicle termination equipment as claimed in claim 1, is characterized in that, described microprocessor comprises at least two RS232 interfaces and at least one CAN interface.
9. the multi-functional vehicle termination equipment as described in claim 1 or 8, is characterized in that, described microprocessor is 16 or 32 single-chip microcomputers.
10. multi-functional vehicle termination equipment as claimed in claim 1, is characterized in that, the positional information of the described vehicle that described GPS locating module obtains comprises longitude and the latitude value of vehicle.
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