CN101853021A - Vehicle remote data acquisition system based on CAN (Controller Area Network) bus - Google Patents
Vehicle remote data acquisition system based on CAN (Controller Area Network) bus Download PDFInfo
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Abstract
The invention discloses a vehicle remote data acquisition system based on a CAN (Controller Area Network) bus, comprising a remote server and at least one vehicle-mounted remote data acquisition device, wherein each vehicle-mounted remote data acquisition device comprises a processor module, a CAN bus communication module, a voltage comparison module and a radio communication module; input signals of the voltage comparison modules are switching value signals and pulse value signals which are output by vehicle equipment; analog value signals output by the vehicle equipment are processed by an engine ECU (Electronic Control Unit), then transmitted to the CAN bus and received by the CAN bus communication modules; the CAN bus communication module are also used for receiving equipment signals hung on the CAN bus, and the output ends of the CAN bus communication modules are connected with the processor modules through an SPI (Serial Peripheral Interface) bus; and the radio communication modules are used for carrying out radio communication with the server. The system can acquire various information of the vehicle equipment on a plurality of vehicles, data is transmitted to the server for storing through radio communication, and reliable references are provided for the maintenance and the management of the vehicles according to acquired data.
Description
Technical field
The present invention relates to be used for the remote data acquisition system of various device data on the collection vehicle.
Background technology
Develop rapidly with the car electronic product, set up increasing electronics auxiliary control appliance on the passenger vehicle, these equipment all are the electronic products of new and high technology, and present domestic driver is uneven to the performance and the maintainability of passenger vehicle electronic product, and is difficult to analyze or describe its reason after electronic product breaks down.Therefore, car operation company and bus factory all are difficult to obtain timely the firsthand information of car operation state, failure cause, and follow-up operation system management, driving habits improvement, malfunction elimination are safeguarded and all be difficult to be controlled effectively.
The data acquisition modes of existing vehicle carries specialized equipment to automobile for the professional, be connected to OBD (On-Board Diagnostics by socket, OBD) realizes fault diagnosis on the K line of diagnostics port, or by CAN (Controller Area Network, controller area network) bus collection.There are following shortcomings in existing acquisition mode:
1. need the professional service staff to go on the real vehicle, waste time and energy, the running data collection needs the professional to follow the car test, also needs to carry relevant devices such as notebook computer, inverter;
2. image data is less, diagnostic area is limited, engine, wheel box, ABS (Anti-lockBraking System, anti-lock braking system) etc. need special diagnostic device, and a kind of diagnostic device of parts can not be diagnosed the fault of other equipment simultaneously, and compatible relatively poor, often a cover diagnostic device can only be diagnosed the engine or the parts of same company;
3. in order to gather several data, same car need be got well several different diagnostic devices, but special-purpose sampling instrument is more expensive, can not all install on every chassis, and also impossible every day is image data all;
4. switching value signal, the pulsed quantity number of signals for equipment is many, kind assorted, is not easy to collect, and statistics is comparatively complicated;
5. the data of Cai Jiing are inconvenient to manage, and lose easily.
Summary of the invention
The present invention seeks to: at the deficiencies in the prior art, a kind of vehicle remote data acquisition system based on the CAN bus is provided, only need the information that the mounted remote data collector just can be gathered various device on the automobile, and transfer data to the far-end server storage by radio communication, a server can be gathered the data of many automobiles, according to the data of gathering for the power configuration of oil consumption management, driver's operation standard, vehicle design whether rationally and improvement, whether the needs maintenance provides reliable foundation to vehicle.
Technical scheme of the present invention is: a kind of vehicle remote data acquisition system based on the CAN bus, comprise a far-end server and at least one mounted remote data collector, described mounted remote data collector comprises processor module, and is connected respectively with processor module:
Be used to receive the analog signals that is transferred to after the handling of device signal on the CAN bus and vehicle arrangement output on the CAN bus, and the signal that receives be transferred to the CAN bus communication module of processor module by spi bus by Engine ECU;
Be used for the switching value signal and the pulsed quantity signal of vehicle arrangement output are compared judgement, and be transferred to the voltage comparison module of processor module);
And the wireless communication module that is used for carrying out radio communication with far-end server.
Further, in the above-mentioned vehicle remote data acquisition system based on the CAN bus, described wireless communication module is that GPRS, CDMA, 3G/4G, WiFI or WiMAX communication module and far-end server carry out radio communication.
Further, in the above-mentioned vehicle remote data acquisition system based on the CAN bus, described CAN bus communication module comprises from the CAN bus and receives data and be transferred to the CAN bus transceiver of CAN controller and CAN bus format data-switching become the spi bus formatted data and be transferred to the CAN controller of processor module, CAN bus transceiver one end directly links to each other with the CAN bus, the other end connects the CAN controller, and the CAN controller links to each other with processor module.
Further, in the above-mentioned vehicle remote data acquisition system based on the CAN bus, also be provided with at least one collecting and controlling gateway between described mounted remote data collector and the far-end server, the output terminal of collecting and controlling gateway links to each other with server, and mounted remote data collector and collecting and controlling gateway communicate.
Further, also be provided with the state that is used for regularly reading collecting and controlling gateway and load capacity between described mounted remote data collector and the far-end server and be connected the load equalizer that the process of collecting and controlling gateway is coordinated to control, load equalizer connection collecting and controlling gateway at the mounted remote data collector.
Further, in the above-mentioned vehicle remote data acquisition system based on the CAN bus, the equipment that hangs on the CAN bus comprises engine components, wheel box parts, ABS parts, ECAS parts and meter unit.
Further, the device signal on the described CAN of the hanging over bus comprises the duty and the failure message of engine, ABS, ECAS, wheel box, Retarder, air-conditioning and well heater.
Further, in the above-mentioned vehicle remote data acquisition system based on the CAN bus, the pulsed quantity signal of described vehicle arrangement output comprises vehicle speed signal and engine rotational speed signal.
Further, in the above-mentioned vehicle remote data acquisition system based on the CAN bus, the switching value signal of described vehicle arrangement output comprises Qianmen switching signal, middle door switch signal, retarder work number of times, shoe brake wear signal, ABS work number of times, reversing open and close signal, air-conditioning open and close signal, well heater open and close signal, Passive Shape Control input signal, brake signal, clutch engagement signal and empty filter alerting signal.
Further, in the above-mentioned vehicle remote data acquisition system based on the CAN bus, the analog signals of described vehicle arrangement output comprises supply voltage, atmospheric pressure, oil temperature, engine oil pressure, coolant temperature, intake air temperature.
Advantage of the present invention is:
1. gather more conveniently, do not need to send again professional people to carry instruments such as acquisition of diagnostic instrument, computer when need gathering the CAN data;
2. data can be gathered from vehicle and this device back are installed until the CAN data of present vehicle arrangement more comprehensively;
3. data are safer, and data can be stored in memory module or special far-end server, two-node cluster hot backup, and mass memory is never lost;
4. the more convenient analysis of data, server provide some algorithms commonly used, and the statistical report form after the arrangement is provided, and use for specialty and layman;
5. pass through the mass data of collection, horizontal and vertical analysis in addition, the present invention can how better understanding engine operation conditions, according to the CAN bus data of gathering, can realize obtaining the oil consumption of car load, whether the power configuration of analyzing vehicle is reasonable, whether working specification is fuel-efficient to investigate out the driver, thereby instruct also standard driver's operating habit, whether the operation conditions of understanding engine is good, diagnose each equipment that hangs on the CAN bus whether to have fault, can in time get rid of, reduce economy and leeway that fault is brought as early as possible and as much as possible if any fault.
Specifically, by total oil consumption and the speed of a motor vehicle and these data of mileage of gathering, we can calculate this car, this vehicle, Ben Che driver's fuel consumption per hundred kilometers easily, thereby whether the power configuration that obtains this vehicle is reasonable, whether engine is fuel-efficient, and whether this car driver driving is fuel-efficient.We can obtain engine by engine speed and operate in ratio, the stage speed of a motor vehicle in each rotating speed interval in addition; whether the driving habits of judging the driver is good; instruct the higher driver of oil consumption to improve oil consumption, protection engine etc. with this by means such as the control speed of a motor vehicle, control transmitter rotating speeds.After this device was installed, we can understand the present working order of this car in real time, and according to the information that reports, and whether good according to the operation of data engines such as engine oil pressure, engine oil temperature, coolant temperature, need to judge whether maintenance, safeguard.Simultaneously, after CAN detects the DM fault, in time notify the driver to keep in repair, reduce the probability and the further possibility that enlarges of vehicle damage of casting anchor, find and remove fault as early as possible.By the monitoring speed of a motor vehicle, if the speed of a motor vehicle that gets up till now is too high, exceed the safe speed of a motor vehicle, the speed of a motor vehicle of driver control in time, thus improve traveling security.
Description of drawings
Below in conjunction with drawings and Examples the present invention is further described:
Fig. 1 is the basic block diagram based on the embodiment of the vehicle remote data acquisition system of CAN bus;
Fig. 2 is the structural drawing based on the embodiment 1 of the vehicle remote data acquisition system of CAN bus that comprises mounted remote data collector concrete structure;
Fig. 3 is the structural drawing based on the embodiment 2 of the vehicle remote data acquisition system of CAN bus.
Wherein: 1 mounted remote data collector; 11 processor modules; 12 memory modules; The 13CAN bus communication module; 14 voltage comparison module; 15 wireless communication modules; 16 input/output modules; 2 servers; 3 engine components; 4 wheel box parts; The 5ABS parts; The 6ECAS parts; 7 meter units; 8 collecting and controlling gateways; 9 load equalizers.
Embodiment
Based on the vehicle remote data acquisition system of CAN bus, as shown in Figure 1, comprise that a far-end server 2 and several are installed in the mounted remote data collector 1 on every automobile respectively.Work between the mounted remote data collector is separate, so we come vehicle remote data acquisition system is introduced as embodiment 1 with the mounted remote data collector on the simplest car and the communication process of far-end server.
Embodiment 1: the overall design philosophy of the vehicle remote data acquisition system based on the CAN bus of the present invention is: mounted remote data collector 1 is installed on the vehicle, this device links to each other with other equipment by the CAN bus, follow SAE J1939 CAN bus protocol, gather the CAN data in real time, and the data of gathering are sent to far-end server 2 by wireless telecommunications means such as GPRS or 3G, these data of server 2 recording storage, arrangement also forms form, analyzes research for car load factory, engineering, fleet etc.
Wherein, SAE J1939 standard be AIAE American institute of automobile engineers issue be the vehicle network serial communication and the control protocol of core with the CAN bus, SAE J1939 agreement is based on the CAN2.0B agreement, communication speed reaches as high as 250Kb/s.It all provides clearly regulation to address configuration, name, communication modes and the message transmission priority etc. of automotive interior ECU (Electronic ControlUnit, electronic control unit), and describes the ECU communication of each coenosarc of automotive interior in detail.
As shown in Figure 2, the vehicle remote data acquisition system based on the CAN bus of present embodiment, comprise a far-end server 2 and a mounted remote data collector 1 that is installed on the automobile, mounted remote data collector 1 comprises processor module 11, CAN bus communication module 13, voltage comparison module 14 and wireless communication module 15.Wherein, CAN bus communication module 13, voltage comparison module 14 and wireless communication module 15 are connected respectively with processor module 11.
The input signal of voltage comparison module 14 is the switching value signal and the pulsed quantity signal of vehicle arrangement output, the output terminal connection processing device module 11 of voltage comparison module 14; The analog signals of vehicle arrangement output is transferred on the CAN bus after being handled by Engine ECU, receive by CAN bus communication module 13, CAN bus communication module 13 also receives the device signal that hangs on the CAN bus, the output terminal of CAN bus communication module 13 is connected with processor module 11 through spi bus, the CAN bus communication module converts the CAN bus data to the spi bus data, is transferred to processor module 1 then.Concrete, CAN bus communication module 13 comprises interconnected CAN bus transceiver and CAN controller, and the CAN bus transceiver directly links to each other with the CAN bus, and the CAN controller links to each other with processor module 11 by spi bus.The CAN bus transceiver receives data and is transferred to the CAN controller from the CAN bus, and the CAN controller becomes to meet the data of spi bus form with CAN bus format data-switching, is transferred to processor module 11 then.
Described wireless communication module 15 is used for carrying out radio communication with server 2, can be GPRS module, CDMA module, 3G module, 4G module, WiFI module or WiMAX module etc., thereby communicate by letter with far-end server by GPRS network, cdma network, 3G network, 4G network, WiFI network or WiMAX network respectively.Wireless communication module 15 and with the communication process of far-end server be prior art.The mounted remote data collector 1 of present embodiment also comprises input/output module 16 and memory module 12.Input/output module 16 is used for video data and the driver disposes the mounted remote data collector.The input/output module 16 of present embodiment can be the touch-screen of a LED.The vehicle data of memory module 12 interim storage of collected under the situation of vehicle energising.
It is the memory ram chips incorporate use of HY57V561620BT that the processor module 11 of present embodiment adopts the flush bonding processor chip ARM9-S3C2440A of ARM company and the model of 64M.It is the Flash storage card of K9F1208UOM that memory module 12 adopts the model of 64M.Wireless communication module 15 utilizes the communication mode of GPRS, adopts the GTM900-C module of Huawei Company.CAN bus communication module 13 comprises that the model that is connected is the CAN bus transceiver of SJA1050 and the CAN controller that model is MCP2515, the CAN bus transceiver directly links to each other with the CAN bus, receive data from the CAN bus, and being transferred to the CAN controller, the processor chips pin of CAN controller and processor module 11 directly links to each other.What transmit between CAN controller and the processor chips is the signal that satisfies the spi bus form.
Existing passenger vehicle is with ABS, ECAS (Electronic Controlled Air Suspension, Electronic Control Air Suspension System), hanging equipment such as CAN instrument on the CAN bus, the equipment that hangs in the present embodiment on the CAN bus comprises engine components 3, wheel box parts 4, ABS parts 5, ECAS parts 6, meter unit 7, Retarder (not shown), air-conditioning (not shown) and well heater (not shown) etc.Mounted remote data collector 1 has been realized the CAN bus communication, not only can gather engine data, can also gather the data of other equipment that hang over the CAN bus.According to the actual requirements, the CAN data of this device collection at present comprise: rotating speed, moment of torsion, battery tension, engine oil temperature, engine oil pressure, atmospheric pressure, intake air temperature, the speed of a motor vehicle, engine working time, coolant temperature, fuel oil accumulation use amount, instantaneous oil consumption and DM diagnostic trouble code (diagnostic trouble code of ECU (Electrical Control Unit)).In addition as required, can also gather other data on the CAN bus, as information such as accelerator pedal positions.Vehicle arrangement on the CAN bus can regularly send the message information that contains equipment working state on the CAN bus, such as the every 500ms report of engine oil pressure information once; Or when fault occurs, on the CAN bus, send the message information that contains fault type in real time.
For the little information of some data volumes,, can adopt the mode of receiving on the CAN bus that data report with regard to collection as DM fault, atmospheric pressure, battery tension.But the amount of considering the CAN bus data is very big, if all gather and be uploaded to server, data volume can be very big, communication fee also can be higher, and can produce burden to server, so can set certain limit value or Transmission Time Interval for some information, such as rotation speed change during greater than 40R/min, load is above 20% o'clock image data and in uploading onto the server, be set to not wait by 5 minutes in 10 seconds such as the instantaneous rate of fuel consumption upload frequencies of fuel oil again, be provided with by input/output module.
Device signal output switching value (also claiming digital quantity) on the automobile is given voltage comparison module, the height that voltage comparison module is used for the switch amount level compares, thereby the equipment of judging opens or closes, the switching value signal has been represented following information: preceding door opening and closing state, middle door opening and closing state, Retarder work number of times, the shoe brake abrasion condition, the ABS number of times of working, reversing open and close state, air-conditioning open and close state, well heater open and close state, 2 tunnel Passive Shape Control input states, brake signal, clutch engagement signal, empty filter alerting signal, exhaust brake signal or the like.Wherein system identification is 1 when the pin of Retarder or ABS collects high level, calculates to be one action, and system identification is 0 when unsettled.Various switches and the signal of exporting as the actuator class of generator, relay are the switching value signals, the existing CAN information of signal as outputs such as the controller class of abs controller, Engine ECU controller, ECAS controller, instrument controller and Retarder, air-conditioning, well heaters also has the switching value signal.Vehicle speed signal, these two pulsed quantity signals of engine rotational speed signal are transferred to processor module after judging through voltage comparison module equally in addition.The atmospheric pressure of supply voltage and sensor acquisition, oil temperature, engine oil pressure, coolant temperature, intake air temperature etc. are analog signals, be transferred to the CAN bus communication module through the CAN bus with the form of numerical information after handling by Engine ECU, the CAN bus communication module converts the CAN bus data to the spi bus data, is transferred to processor module then.In addition, Engine ECU can also be calculated fuel oil accumulation use amount information, engine information working time, and is transferred to the CAN bus communication module.The CAN bus also receives other the device signal that directly hangs on the CAN bus, comprises the duty and the failure message of real-time fuel consumption information, accelerator pedal position information, engine, ABS, ECAS, wheel box, Retarder, air-conditioning and well heater.
Processor module is that processor carries out poll to each way switch amount, pulsed quantity from the mode that voltage comparison module receives data, perhaps interrupts, counting, timing collection and record data.Poll is that finger processor is periodically inquired each way switch amount, the pulsed quantity signal that is connected to voltage comparison module successively one by one; Interruption is meant when processor finds that signal changes, and such as jumping to 1 or jump to 0 from 1 from 0, then calculates an interruption, or paired pulses amount signal, sees what pulses certain hour has collected in the cycle.Timing is meant specifies certain hour to gather a signal; Counting is meant to be counted the pulse number of the pulsed quantity signal in the certain hour.
The memory location of the data of gather from vehicle arrangement is following any one or two kinds of:
(1) under the control of processor module 11, be stored in the memory module 12, but because memory module 12 is Flash storage cards, therefore when vehicle cuts off the power supply, the data that are stored in the memory module 12 will disappear, and can only be used for interim storage;
(2) send to far-end server 2 storages by wireless communication module 15, data can be kept in the database of far-end server all the life.
When having data to transmit, processor module 11 is at first controlled wireless communication module 15 and is called out far-end server 2, communicates by letter thereby far-end server 2 is set up with wireless communication module 15.Then, processor module 11 is provided with situation according to the difference of data, transfers data to far-end server 2 by wireless communication module 15.For failure message, carry out real-time Transmission, set the information of limit value or Transmission Time Interval for some, then when surpassing limit value or regularly transmission, data packets for transmission is drawn together vehicle ID number of being used to distinguish vehicle, signals collecting time and concrete data content.
Give some instances below the gatherer process of switching value, pulsed quantity signal be described:
If middle door is opened, the signal that door sent during then voltage comparison module was received, and judge that signal is 1, door is opened in the representative, processor module receives data with the acquisition mode of poll from voltage comparison module then, then middle door is opened recording storage and is transferred to server stores to memory module with by wireless communication module.Opening record for middle of storage increases once, and the corresponding middle door of record is opened the time.
If retarder is started working, then corresponding retarder is exported to the level of voltage comparison module for high, voltage comparison module judges that signal is 1, represent retarder work, processor module receives data from voltage comparison module then, then the retarder job record is stored into memory module and is transferred to server stores by wireless communication module.The retarder job record increase of storage once.
To this pulsed quantity signal of vehicle speed signal, being transferred to processor module 1 after judging through voltage comparison module 4,1 pair of certain hour of processor module is counted such as the pulse in a second, and by default formula calculating, obtain speed information, umber of pulse is many more in 1 second, illustrates that then the speed of a motor vehicle is fast more.Processor module is transferred to server stores with the vehicle speed data recording storage to memory module with by wireless communication module 15 then.
For this pulsed quantity of engine rotational speed signal, processor module receives tach signal, do not report in real time or regularly, but tach signal is analyzed, when finding rotation speed change, just this rotary speed information is stored into memory module and report server stores by wireless communication module 15 greater than default limit value.
Be the gatherer process that representative illustrates analog signals with the engine oil pressure signal below: be transferred to the CAN bus communication module through the CAN bus with the form of numerical information after the engine oil pressure signal of sensor acquisition is handled by Engine ECU, the CAN bus communication module converts the CAN bus data to the spi bus data, be transferred to processor module then, processor module regularly is transferred to server stores with the engine oil pressure value record to memory module with by wireless communication module.
With engine failure information is that representative illustrates hanging over other the gatherer process of device signal on the CAN bus: when engine breaks down, engine sends the engine failure signal on the CAN bus, the CAN bus communication module converts the CAN bus data to the spi bus data, be transferred to processor module then, processor module takes to receive the mode of data with regard to acquisition and recording to failure message, and failure message is stored into memory module and is transferred to server stores by wireless communication module 15.The failure message of storage comprises fault type, the information such as time that break down.
When needs are analyzed collection to a few item numbers certificates emphatically, such as gathering accelerator pedal position information etc. emphatically, the wireless data frequency of uploading is set on input/output module 16, upload as accelerator pedal position being set as per 0.05 second, server remakes preservation after receiving data, handles.
Server is preserved the data qualification that receives, and relevant informations such as the acquisition time of each data, time of reception are integrated into, is convenient to actual researching and analysing.Data can be preserved according to time sequencing, data are kept in the database all the life.
Embodiment 2: for the vehicle remote data acquisition system based on the CAN bus that has numerous mounted remote data collectors, it is far from being enough carrying out direct communication by mounted remote data collector and far-end server.Therefore, as shown in Figure 3, in present embodiment 2, also there are some collecting and controlling gateways 8 between the wireless communication module of mounted remote data collector and the server, collecting and controlling gateway 8 is meant the data of gathering the mounted remote data collector, and data are communicated to server end, perhaps the steering order of server end is communicated to the gateway of mounted remote data collector.Because the mounted remote data collector limited amount system that each collecting and controlling gateway can connect is so must adopt distributed mode to manage.The mounted remote data collector at first carries out real-time Communication for Power with collecting and controlling gateway, collecting and controlling gateway comprises the storer of magnanimity, at present, every collecting and controlling gateway support and 3000 mounted remote data collectors communicate, and several collecting and controlling gateways adopt ICP/IP protocol to link to each other with server by cable network again.At present, adopt the communication mode of time sharing segment between collecting and controlling gateway and the server, a server can gather and handle the data of 100,000 mounted remote data collectors at present.Collecting and controlling gateway carries out preliminary processing to data, is sending to server to handling the back data necessary.Server end carries out analyzing and processing to the data of receiving, when pinpointing the problems is to require collecting and controlling gateway to send the raw data of storage.
All collecting and controlling gateways 8 all are connected to load equalizer 9, be subjected to the control of load equalizer, the process that load equalizer is used for being responsible at mounted remote data collector connection collecting and controlling gateway is coordinated, be a kind ofly to adopt various allocation algorithms that the available collecting and controlling gateway that network requests is distributed in the server cluster is got on, thereby make the mounted remote data collector obtain the hardware device of best as far as possible networking effect.Load equalizer 9 regularly reads the number and the load capacity of mounted remote data collector of state, the connection of collecting and controlling gateway 8.Before the mounted remote data collector need be logined collecting and controlling gateway at every turn, need at first query load balanced device, read current relatively more idle collecting and controlling gateway by load equalizer, and its IP and port numbers returned to mounted remote data collector to be connected, the mounted remote data collector with which platform collecting and controlling gateway links to each other is specified by load equalizer temporarily, and the mounted remote data collector just connects with this current relatively more idle collecting and controlling gateway then.When collecting and controlling gateway need overhaul, can be inspecting state with the recording setting of correspondence, then load equalizer will shield this collecting and controlling gateway; If system needs the new collecting and controlling gateway that adds, only need the information of this collecting and controlling gateway is joined in the database of load equalizer, can reach the plug and play effect of " hot plug " like this.
The Engine ECU (ElectronicControl Unit, electronic control unit) of the passenger vehicle of present stage every Europe 3 dischargings and above standard all has the CAN bus, and all observes the J1939 bus protocol of SAE.The doctor system of present domestic most Germany that adopt, a part adopts the Denso system of Japan, and the continent system of Germany and the Delphi system of the U.S..There are some differences in various systems, and this device is entered the resolving information of all these system's correspondences and agreement burning, and are compatible by the form realization of selection of configuration engine on this machine.
When the various device software upgrading on the vehicle, corresponding data collector also needs to upgrade upgrading simultaneously, the redaction program that is stored in server can be issued to mounted remote data collector on the vehicle by the internet network with by wireless network, realize edition upgrading.
The above only is the preferred embodiments of the present invention, can not limit scope of the invention process with this, and all simple conversion of doing according to claim of the present invention and description all should still belong to the protection domain that the present invention covers.
Claims (10)
1. vehicle remote data acquisition system based on the CAN bus, it is characterized in that comprising a far-end server (2) and at least one mounted remote data collector (1), described mounted remote data collector (1) comprises processor module (11) and is connected respectively with processor module (11):
Be used to receive the analog signals that is transferred to after the handling of device signal on the CAN bus and vehicle arrangement output on the CAN bus, and the signal that receives be transferred to the CAN bus communication module (13) of processor module (11) by spi bus by Engine ECU;
Be used for the switching value signal and the pulsed quantity signal of vehicle arrangement output are compared judgement, and be transferred to the voltage comparison module (14) of processor module (11);
And be used for and far-end server (2) carries out the wireless communication module (15) of radio communication.
2. according to the vehicle remote data acquisition system described in the claim 1 based on the CAN bus, it is characterized in that: described wireless communication module (11) is GPRS, CDMA, 3G/4G, WiFI or WiMAX communication module, and far-end server (2) carries out radio communication.
3. according to the vehicle remote data acquisition system described in the claim 1 based on the CAN bus, it is characterized in that: described CAN bus communication module (13) comprises from the CAN bus and receives data and be transferred to the CAN bus transceiver of CAN controller and CAN bus format data-switching become the spi bus formatted data and be transferred to the CAN controller of processor module (11), CAN bus transceiver one end directly links to each other with the CAN bus, the other end connects the CAN controller, and the CAN controller links to each other with processor module (11).
4. according to the vehicle remote data acquisition system described in the claim 1 based on the CAN bus, it is characterized in that: also be provided with at least one collecting and controlling gateway (8) between described mounted remote data collector (1) and the far-end server (2), the output terminal of collecting and controlling gateway (8) links to each other with server (2), and mounted remote data collector (1) carries out radio communication with collecting and controlling gateway (8).
5. according to the vehicle remote data acquisition system described in the claim 4 based on the CAN bus, it is characterized in that: also be provided with the state and the load capacity that are used for regularly reading collecting and controlling gateway (8) between described mounted remote data collector (1) and the far-end server (2), and the load equalizer of in the process of mounted remote data collector (1) connection collecting and controlling gateway (8), coordinating to control (9), load equalizer (9) connects collecting and controlling gateway (8).
6. according to the vehicle remote data acquisition system based on the CAN bus described in the claim 1, it is characterized in that: the equipment that hangs on the CAN bus comprises engine components (3), wheel box parts (4), ABS parts (5), ECAS parts (6) and meter unit (7).
7. according to the vehicle remote data acquisition system based on the CAN bus described in the claim 6, it is characterized in that: the device signal on the described CAN of the hanging over bus comprises the duty and the failure message of engine, ABS, ECAS, wheel box, Retarder, air-conditioning and well heater.
8. according to the vehicle remote data acquisition system based on the CAN bus described in the claim 1, it is characterized in that: the pulsed quantity signal of described vehicle arrangement output comprises vehicle speed signal and engine rotational speed signal.
9. according to the vehicle remote data acquisition system described in the claim 1 based on the CAN bus, it is characterized in that: the switching value signal of described vehicle arrangement output comprises Qianmen switching signal, middle door switch signal, retarder work number of times, shoe brake wear signal, ABS work number of times, reversing open and close signal, air-conditioning open and close signal, well heater open and close signal, Passive Shape Control input signal, brake signal, clutch engagement signal and empty filter alerting signal.
10. according to the vehicle remote data acquisition system based on the CAN bus described in the claim 1, it is characterized in that: the analog signals of described vehicle arrangement output comprises supply voltage, atmospheric pressure, oil temperature, engine oil pressure, coolant temperature, intake air temperature.
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Cited By (29)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102055802A (en) * | 2010-12-14 | 2011-05-11 | 杭州鸿泉数字设备有限公司 | Driver behavior monitoring method and device |
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| CN104199438A (en) * | 2014-08-19 | 2014-12-10 | 奇瑞汽车股份有限公司 | Remote diagnosis method and equipment of vehicle |
| US20140371977A1 (en) * | 2012-02-22 | 2014-12-18 | Honda Motor Co., Ltd. | Vehicle data gathering apparatus, and vehicle data gathering method |
| CN104924872A (en) * | 2015-06-25 | 2015-09-23 | 厦门金龙联合汽车工业有限公司 | Air-conditioner control method based on vehicle networking technology |
| CN105242519A (en) * | 2015-10-21 | 2016-01-13 | 上海电控研究所 | Beidou watch card board detecting device |
| CN105306298A (en) * | 2015-10-28 | 2016-02-03 | 东风汽车公司 | Vehicle network based remote wireless testing system and testing method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102055802A (en) * | 2010-12-14 | 2011-05-11 | 杭州鸿泉数字设备有限公司 | Driver behavior monitoring method and device |
| CN102289852A (en) * | 2011-09-08 | 2011-12-21 | 中国汽车技术研究中心 | Endurance test data acquisition system of gasoline vehicle |
| CN102289852B (en) * | 2011-09-08 | 2013-06-12 | 中国汽车技术研究中心 | Endurance test data acquisition system of gasoline vehicle |
| CN103256684A (en) * | 2012-02-15 | 2013-08-21 | 苏州新同创汽车空调有限公司 | I-DCS (Distributed Control System) used for remote control of air conditioner of passenger car |
| US20140371977A1 (en) * | 2012-02-22 | 2014-12-18 | Honda Motor Co., Ltd. | Vehicle data gathering apparatus, and vehicle data gathering method |
| US9047720B2 (en) * | 2012-02-22 | 2015-06-02 | Honda Motor Co., Ltd. | Vehicle data gathering apparatus, and vehicle data gathering method |
| CN102662904A (en) * | 2012-04-06 | 2012-09-12 | 哈尔滨工业大学 | Plug-and-play system based on controller area network (CAN) bus and design method thereof |
| CN102662904B (en) * | 2012-04-06 | 2015-01-21 | 哈尔滨工业大学 | Plug-and-play system based on controller area network (CAN) bus and design method thereof |
| CN102768519A (en) * | 2012-07-18 | 2012-11-07 | 绍兴文理学院 | Processing platform of network type automobile instrument system |
| CN102749905A (en) * | 2012-07-18 | 2012-10-24 | 绍兴文理学院 | Network vehicle instrument system |
| CN102763519A (en) * | 2012-07-18 | 2012-11-07 | 上海大学 | Automatic line aligning system of modular bus-type intelligent cotton picker |
| CN103366416A (en) * | 2013-07-18 | 2013-10-23 | 上海创程车联网络科技有限公司 | Vehicle data collecting and transmitting device |
| CN103366416B (en) * | 2013-07-18 | 2016-05-18 | 上海创程车联网络科技有限公司 | A kind of vehicle data collection and dispensing device |
| CN103457814A (en) * | 2013-09-11 | 2013-12-18 | 昆山奥德鲁自动化技术有限公司 | Communication router of field bus and SPI bus and communication method thereof |
| CN103645702A (en) * | 2013-12-03 | 2014-03-19 | 大连大学 | Embedded integrated remote monitoring device |
| CN103995511A (en) * | 2014-05-16 | 2014-08-20 | 航天新长征电动汽车技术有限公司 | Intelligent bus body control system with CAN bus |
| CN103995511B (en) * | 2014-05-16 | 2016-10-05 | 航天新长征电动汽车技术有限公司 | A kind of intelligent bus CAN body control system |
| CN104199438A (en) * | 2014-08-19 | 2014-12-10 | 奇瑞汽车股份有限公司 | Remote diagnosis method and equipment of vehicle |
| CN104924872B (en) * | 2015-06-25 | 2017-07-07 | 厦门金龙联合汽车工业有限公司 | A kind of air conditioning control method based on car networking technology |
| CN104924872A (en) * | 2015-06-25 | 2015-09-23 | 厦门金龙联合汽车工业有限公司 | Air-conditioner control method based on vehicle networking technology |
| CN105242519A (en) * | 2015-10-21 | 2016-01-13 | 上海电控研究所 | Beidou watch card board detecting device |
| CN105242519B (en) * | 2015-10-21 | 2018-01-30 | 上海电控研究所 | Big Dipper wrist-watch board detection means |
| CN105306298A (en) * | 2015-10-28 | 2016-02-03 | 东风汽车公司 | Vehicle network based remote wireless testing system and testing method |
| CN105306298B (en) * | 2015-10-28 | 2019-03-08 | 东风汽车公司 | Long distance wireless test macro and test method based on vehicle network |
| CN105679125A (en) * | 2016-04-19 | 2016-06-15 | 奇瑞汽车股份有限公司 | Vehicle-mounted driving skill evaluating and automatic teaching system |
| CN107690794A (en) * | 2016-08-16 | 2018-02-13 | 深圳市屹石科技股份有限公司 | The method, apparatus and body-building apparatus that body-building apparatus is communicated with smart machine |
| CN106371360A (en) * | 2016-09-08 | 2017-02-01 | 深圳华汽车科技有限公司 | Non-exclusive automobile communication system and method |
| CN106384404A (en) * | 2016-09-30 | 2017-02-08 | 中信机电制造公司科研设计院 | Data recorder |
| CN107966391A (en) * | 2017-11-23 | 2018-04-27 | 常熟理工学院 | Diesel particulate trap arresting efficiency verification method and device under vehicle-mounted vibration condition |
| CN108171950A (en) * | 2018-01-02 | 2018-06-15 | 苏州桠鑫电子科技有限公司 | A kind of intelligent data acquisition equipment and its collecting method suitable for intelligent bus |
| CN108322900A (en) * | 2018-01-24 | 2018-07-24 | 杭州砺玛物联网科技有限公司 | A kind of engineering truck data transmission method and system based on 4G networks |
| CN109116758A (en) * | 2018-08-01 | 2019-01-01 | 中科青年交通科技（苏州）有限公司 | A kind of vehicle-mounted terminal system based on cloud platform |
| CN109741590A (en) * | 2019-02-26 | 2019-05-10 | 张家港氢芯电气系统科技有限公司 | Hydrogen fuel cell engine Wireless data acquisition unit |
| CN110048179A (en) * | 2019-04-23 | 2019-07-23 | 北斗航天汽车（北京）有限公司 | It can be with the battery pack and its implementation of external wireless communication |
| CN110601946A (en) * | 2019-11-03 | 2019-12-20 | 丹阳新通达智能网联科技有限公司 | Vehicle-mounted electric control work full-signal recording system and work method thereof |
| CN113759800A (en) * | 2021-09-18 | 2021-12-07 | 中车大连机车研究所有限公司 | Signal acquisition control device for diesel locomotive |
| CN114785633A (en) * | 2022-04-12 | 2022-07-22 | 哈尔滨工程大学 | Information transmission system and strategy for digital twin system of marine diesel engine |
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