CN103997503B - Data collecting system based on CAN - Google Patents
Data collecting system based on CAN Download PDFInfo
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- CN103997503B CN103997503B CN201410248152.3A CN201410248152A CN103997503B CN 103997503 B CN103997503 B CN 103997503B CN 201410248152 A CN201410248152 A CN 201410248152A CN 103997503 B CN103997503 B CN 103997503B
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Abstract
Present invention is disclosed a kind of data collecting system based on CAN, including data center, global position system and data collection station, described data collection station includes microprocessor and is electrically connected with this microprocessor: for receiving the signal of global position system, and transmit the signal to the navigation signal receiver module of microprocessor；For receiving the device signal in CAN, and the device signal of reception is transferred to the CAN of microprocessor；For carrying out the wireless communication module of radio communication with data center；For showing the display screen of the command signal of the device signal in CAN and data center；And for reporting the speaker of the command signal of the device signal in CAN and data center.The display and the speaker that are somebody's turn to do data collecting system based on CAN can show and report CAN fault and data center instruction information in real time.
Description
Technical field
The present invention relates to a kind of data collecting system based on CAN.
Background technology
Vehicle can produce a large amount of floor data, such as engine revolution, speed, oil consumption, oil in the process of moving
The status informations such as temperature, engine oil pressure, brake pressure, pressure at expulsion and brake, car light, car door, and drive
Member is difficult to find the real-time operating conditions of vehicle in driving procedure the most by rule of thumb with sensation, therefore pacifies on vehicle
Dress one carries out real-time data acquisition with car electronic system to vehicle and is particularly important, current with car Department of Electronics
Applying wider in system is CAN (Controller Area Network, controller area network) bus.CAN
Bus belongs to the category of fieldbus, and it is a kind of effective support distributed AC servo system or the serial communication controlled in real time
Network, is a kind of multi-master bus, and communication media can be twisted-pair feeder, coaxial cable or optical fibers, logical
Letter speed reaches as high as 1Mbps, and therefore it becomes one of current most widely used fieldbus, data acquisition
The pith of collecting system.
But, it is currently based on the data collecting system of CAN, especially vehicle data acquisition system, though its
So with each item data in collection vehicle running, but but can cannot show and report the real-time car of vehicle
Condition, and the instruction of far-end server cannot be shown, to such an extent as to user cannot understand vehicle condition exactly.
Summary of the invention
Present invention aims to drawbacks described above of the prior art, it is provided that provide one to show in real time
With report CAN fault message and the data collecting system based on CAN of data center instruction information.
For achieving the above object, present invention employs following technical scheme: a kind of based on CAN
Data collecting system, including data center, global position system and respectively by communication with
The data collection station that data center and global position system connect, it is characterised in that described data acquisition is eventually
End includes: microprocessor；For receiving the signal of global position system, and transmit the signal to micro-process
The navigation signal receiver module of device；For receiving the device signal in CAN, and the equipment letter that will receive
Number it is transferred to the CAN of microprocessor；For carrying out the radio communication of radio communication with data center
Module；For showing the display screen of the command signal of the device signal in CAN and data center；And
For reporting the speaker of the command signal of the device signal in CAN and data center；Described navigation letter
Number receiver module, CAN, wireless communication module, video input apparatus and memorizer are respectively with described
Microprocessor is electrically connected with.
Additionally, the present invention also provides for following attached technical scheme:
Also include being electrically connected with described microprocessor, the trigger data for the instruction according to user's input
Acquisition terminal and the call module of data center's voice call.
Also include being electrically connected with described microprocessor, the trigger data for the instruction according to user's input
Acquisition terminal is to the emergency module of data center's transmission distress signal.
Also including being electrically connected with described microprocessor, the video input for Real-time Collection video information sets
Standby.
Also include being electrically connected with described microprocessor, for storing the memorizer of described video information.
Also include being electrically connected with described microprocessor, for gathering the microphone of acoustic information.
Described global position system is GPS or Beidou satellite navigation system.
Described wireless communication module is GPRS, CDMA, 3G, 4G, WIFI, WLAN or WIMAX communication mould
Block, and data center carries out radio communication.
Described CAN includes the first CAN and the 2nd CAN being electrically connected with respectively with CAN
Bus.
Compared to prior art, present invention have an advantage that and disclose a kind of data acquisition based on CAN
Collecting system, this system includes data center, global position system and data collection station, and these data
Acquisition terminal include again microprocessor, navigation signal receiver module, CAN, wireless communication module,
Speaker and display.In sum, the CAN of data collecting system based on CAN it is somebody's turn to do
Can Real-time Collection CAN data, the command information of wireless communication module energy real-time reception data center, and
Display and speaker can show and report CAN fault and data center instruction information in real time.
Accompanying drawing explanation
The structure of the data collecting system based on CAN that Fig. 1 corresponds to present pre-ferred embodiments is shown
It is intended to.
Fig. 2 corresponds to the data acquisition of the data collecting system based on CAN of present pre-ferred embodiments
Collection initialization flowchart.
Fig. 3 corresponds to the data acquisition of the data collecting system based on CAN of present pre-ferred embodiments
Collection process chart.
Fig. 4 corresponds to the data acquisition of the data collecting system based on CAN of present pre-ferred embodiments
Collection, alarm indicator and voice broadcast process chart.
Fig. 5 corresponds to the instruction of the data collecting system based on CAN of present pre-ferred embodiments and shows
Show and voice broadcast process chart.
Fig. 6 correspond to the terminal of the data collecting system based on CAN of present pre-ferred embodiments to
Data center's voice call flow chart.
Fig. 7 corresponds in the data of data collecting system based on CAN of present pre-ferred embodiments
The heart is to terminal speech call flow figure.
Fig. 8 corresponds to the emergency mould of the data collecting system based on CAN of present pre-ferred embodiments
Formula flow chart.
Fig. 9 corresponds to the video record of the data collecting system based on CAN of present pre-ferred embodiments
Flow chart processed.
Figure 10 corresponds to the video of the data collecting system based on CAN of present pre-ferred embodiments and reads
Take flow chart.
Detailed description of the invention
Below in conjunction with preferred embodiment and accompanying drawing thereof technical solution of the present invention made further nonrestrictive in detail
Explanation.
It is an object of the invention to disclose a kind of data collecting system based on CAN, it is mainly used in
On the device with CAN network such as vehicle, factory, building, hospital, car, ship and aircraft, can be in real time
Gather CAN data and global position system Data Concurrent gives far-end server, be also equipped with voice simultaneously
Report, the function such as information shows, voice call, SOS, video record and video reading.And this reality
Execute in example, should data collecting system based on CAN apply on vehicle.
As it is shown in figure 1, the data collecting system based on CAN of the present embodiment, including data center 1,
Global position system 2 and respectively with data center 1 and the data acquisition of global position system 2 radio communication
Terminal 3.Wherein, data center 1 is far-end server, is used for receiving and process data collection station 3 and sends
Signal；Global position system 2 is GPS (GPS) or big-dipper satellite alignment system,
For the real-time geographical locations of monitoring data collection terminal 3 and be sent to data collection station 3；Data acquisition is eventually
End 3 includes microprocessor 10, and the navigation signal being electrically connected with each other with this microprocessor 10 respectively receives
Module 11, CAN 12 and wireless communication module 13, the wherein outfan of CAN 12
It is electrically connected with each other with microprocessor 10 through spi bus.
Specifically, navigation signal receiver module 11 also carries out radio communication with global position system 2, is used for connecing
The satellite positioning signal that receiving satellite alignment system 2 sends, and this signal is sent to microprocessor 10, by micro-
It is encoded, compresses and encrypts by processor 10, is sent to data finally by wireless communication module 13
Center 1, monitors for data center 1.
CAN 12 is also electrically connected with each other with CAN 14, in the present embodiment, and CAN
14 include that the first CAN 14a and the 2nd CAN that are electrically connected with each other with CAN 12 respectively are total
Line 14b, therefore CAN 12 can support 2 tunnel CAN communication.CAN 12 is responsible for from upper
State each item data of Real-time Collection vehicle in two-way CAN, then CAN data are converted into SPI total
Line data, are transmitted further to microprocessor 10, are encoded it by microprocessor 10, compress and are encrypted,
It is sent to data center 1 by wireless communication module 13 afterwards, monitors for data center 1.Concrete, CAN
Communication module 12 include interconnect CAN transceiver and CAN controller, CAN transceiver and
CAN is joined directly together, and CAN controller is connected with microprocessor 10 by spi bus, and CAN is received and dispatched
Device receives data from CAN 14 and is transferred to CAN controller, and CAN controller is by CAN form
Data are converted into the data meeting spi bus form, are then transferred to microprocessor 10.CAN data
Including: rotating speed, moment of torsion, battery tension, engine oil temperature, engine oil pressure, atmospheric pressure, air inlet temperature
Degree, speed, engine on time and coolant temperature etc., and the data specifically gathered are by protocol configuration data
Determine.
Wireless communication module 13 and data center 1 carry out radio communication, the letter after being processed by microprocessor 10
Number it is sent to data center 1, or the instruction of data center 1 is sent to microprocessor 10, the present embodiment
In this wireless communication module 13 know together for those skilled in the art GPRS module, CDMA module, 3G module,
Any one of 4G module, WIFI module, WLAN module or WIMAX module, thus pass through GPRS respectively
Network, cdma network, 3G network, 4G network, WIFI network, wlan network or WIMAX network and number
Communicating according to center 1, wireless communication module 13 belongs to prior art with the communication process of data center 1.
It is data collection station 3 initialization flowchart, after terminal connects and electrically activates, microprocessor shown in Fig. 2
10 by wireless communication module 13 send " terminal recognition code " give data center 1, data center 1 is according to this
" terminal recognition code " identifies the acquisition protocols that terminal is used, and then sends accordingly to microprocessor 1
Protocol configuration data or CAN passage configuration data；When microprocessor 10 from what data center 1 received is
During protocol configuration data, protocol configuration data are preserved to random memory, then by " protocol configuration OK "
Response is to data center 1；And when microprocessor 10 from data center 1 receive be CAN passage configure number
According to time, this CAN passage configuration data are preserved to after random memory, will " CAN passage configuration OK " response
To data center 1.Above-mentioned protocol configuration data are for how annotating CAN 12 from vehicle CAN
Gathering data on communication network, the form of these protocol configuration data is as shown in table 1 below, CAN passage configuration data
Form as shown in table 2,
Table 1:
Table 2:
Being the data acquisition flow figure of data collection station 3 shown in Fig. 3, as seen from the figure, navigation signal receives
Module 11, every 1 second receiving position information and satellite time information, passes to microprocessor 10；Microprocessor
Positional information and temporal information are saved on random memory by 10.CAN 12 is every a data acquisition
The sample cycle receives CAN data.When microprocessor 10 finds that the CAN message indications collected exists
Time present in protocol configuration data, according to each value of data acquisition mark, corresponding data
Gather and preserve to internal memory.Microprocessor 10 is by terminal recognition number, positional information, service data coding packing
Compression, encryption；Packet after encryption is sent to data center 1 by wireless communication module 13.The above-mentioned time
Interval can be with human configuration.
The data collecting system based on CAN of the present embodiment also includes mutually electrically connecting with microprocessor 10
The display screen 20 connect and speaker 21, display screen 20 is common liquid crystals display screen, for image or word
Form display alarm information and command information, speaker 21 is conventional horn, for broadcasting in a voice form
Report warning message and command information, when CAN data are beyond primary data value range in microprocessor 1,
These CAN data are warning message.Shown in Fig. 4 is that data acquisition, alarm indicator and voice are broadcast
Report process chart, containing fault message in microprocessor 10 finds the data collected, i.e. exceeds or low
When preset value, display screen 20 starts to show fault, until trouble shooting, batch (-type) passes through speaker simultaneously
21 voice broadcast faults, and this fault message is sent to data center 1.Shown in Fig. 5 is instruction display
With voice broadcast process chart, data center 1 passes through wireless communication module 13 to this data collection station 3
Sending instruction, after data collection station 3 receives instruction, display screen 20 starts idsplay order, after 5 seconds certainly
Dynamic releasing display, batch (-type) is instructed by speaker 21 voice broadcast simultaneously, finally with microprocessor 10 times
" receiving instruction " should terminate to data center 1.This display screen 20 and speaker 21 can show in real time and broadcast
Report CAN network device fault information and the command information of far-end server, use vehicle to provide relatively for user
Good safety guarantee.
The data collecting system based on CAN of the present embodiment also includes the most electric with microprocessor 10 respectively
Property the key circuit 30 that connects and microphone 32, wherein key circuit 30 includes converse module 30a and emergency
Module 30b, microphone 32 is mike well-known to those skilled in the art.Shown in Fig. 6 is data
Acquisition terminal 3 is to the flow chart of data center 1 initiating speech conversation, and button electricity constantly intercepted by microprocessor 10
The state on road 30, is referred to by the call call that have input of module 30a when microprocessor 10 listens to user
Making, data collection station 3 and data center 1 carry out voice calling mode immediately, and terminal use can be by passing
Sound device 32 input speech signal, it is encoded, compresses and encrypts, is processed into voice by microprocessor 10
Bag, sends this voice packet to data center 1 finally by wireless communication module 13.Shown in Fig. 7 is several
Pass through to the flow chart of data collection station 3 initiating speech conversation, the voice packet of data center 1 according to center 1
Wireless communication module 13 sends microprocessor 10 to, when microprocessor 10 has detected that voice packet inputs,
Automatically to this voice packet decompression, deciphering, and control speaker 21 and play the voice messaging in this voice packet.
Shown in Fig. 8 is the flow chart of help-asking mode, and the shape of key circuit 30 constantly intercepted by microprocessor 10
State, after microprocessor 10 listens to the emergency instruction that user have input by emergency module 30b, micro-place
Reason device 10 sends SOS by wireless communication module 13 to data center 1 immediately, then controls
Microphone 32 is opened, and acoustic scene tone signal is sampled and sends microprocessor 10 to by microphone 32, micro-
Processor 10 sound sends data center 1 to after processing.This emergency module 30b can be applied well
Car accident is on-the-spot.
The data collecting system based on CAN of the present embodiment also includes the most electric with microprocessor 10 respectively
Property connect video input apparatus 50 and storage card 51, in the present embodiment, video input apparatus 50 uses
Common camera, maximum support 16 tunnels input, storage card 51 uses common SD storage card.With reference to figure
8, the video information of video input apparatus 50 real time record surrounding, and the information sampled is sent to
Microprocessor 10, microprocessor 10 is stored in storage card 51 after it is encoded and is compressed.With reference to Fig. 9,
When data center 1 needs to check video, data center 1 intercepts on wireless communication module 13 circuit repeatedly
Data, when listening to after new packet formed, and have the demand checking video, then send instructions to
Microprocessor 10 orders it to intercept corresponding video, and packs, and receives finally by wireless communication module 13 and regards
Frequency bag.
In sum, data collecting system based on CAN Real-time Collection CAN should be had the advantage that
Bus 14 data are also uploaded to data center 1；Real-time Collection global position system 2 data are also uploaded to data
Center 1；The identification of warning message and voice broadcast, display alarm information；Voice broadcast and video data center
The command information of 1；Support 2 road CAN；Acquisition protocols can Remote configuration so that any vehicle can be gathered, set
Standby CAN 14 data；Voice call can be realized with data center 1；SOS；Video record.
And above-mentioned data collecting system based on CAN is not limited to use on vehicle, it is also possible to use in work
On the device with CAN network such as factory, building, hospital, car, ship and aircraft.
It is pointed out that above-mentioned preferred embodiment is only technology design and feature, its mesh of the explanation present invention
Be allow person skilled in the art will appreciate that present disclosure and to implement according to this, can not be with this
Limit the scope of the invention.All equivalence changes made according to spirit of the invention or modification, all answer
Contain within protection scope of the present invention.
Claims (9)
1. a data collecting system based on CAN, including data center, global position system, with
And the data collection station being connected with data center and global position system by communication respectively, its
Being characterised by, described data collection station includes:
Microprocessor；
For receiving the signal of global position system, and the navigation signal transmitting the signal to microprocessor connects
Receive module；
For receiving the device signal in CAN, and the device signal of reception is transferred to microprocessor
CAN；
For carrying out the wireless communication module of radio communication with data center；
For showing the display screen of the command signal of the device signal in CAN and data center；And
For reporting the speaker of the command signal of the device signal in CAN and data center；
Described navigation signal receiver module, CAN, wireless communication module, display screen and speaker divide
It is not electrically connected with described microprocessor；
Wherein containing fault message in microprocessor finds the data collected, i.e. exceed or fall below preset value
Time, display screen starts to show fault, until trouble shooting, speaker sound reports fault simultaneously, and should
Fault message is sent to data center；Data center is sent to this data collection station by wireless communication module
Instruction, after data collection station receives instruction, display screen starts idsplay order, simultaneously by speaker language
Sound reports instruction, finally responds " receiving instruction " with microprocessor and terminates to data center；This display screen and
Speaker can also show and report the command information of CAN network device fault information and far-end server in real time.
Data collecting system based on CAN the most according to claim 1, it is characterised in that it is also
Being electrically connected with including with described microprocessor, for the instruction according to user's input, trigger data acquisition is eventually
End and the call module of data center's voice call.
Data collecting system based on CAN the most according to claim 1, it is characterised in that it is also
Being electrically connected with including with described microprocessor, for the instruction according to user's input, trigger data acquisition is eventually
Hold the emergency module to data center's transmission distress signal.
Data collecting system based on CAN the most according to claim 1, it is characterised in that it is also
It is electrically connected with including with described microprocessor, for the video input apparatus of Real-time Collection video information.
Data collecting system based on CAN the most according to claim 4, it is characterised in that it is also
It is electrically connected with including with described microprocessor, for storing the memorizer of described video information.
Data collecting system based on CAN the most according to claim 1, it is characterised in that it is also
It is electrically connected with including with described microprocessor, for gathering the microphone of acoustic information.
Data collecting system based on CAN the most according to claim 1, it is characterised in that: institute
Stating global position system is GPS or Beidou satellite navigation system.
Data collecting system based on CAN the most according to claim 1, it is characterised in that: institute
Stating wireless communication module is GPRS, CDMA, 3G, 4G, WIFI, WLAN or WIMAX communication module, and
Data center carries out radio communication.
Data collecting system based on CAN the most according to claim 1, it is characterised in that: institute
State the first CAN and the second CAN that CAN includes being electrically connected with respectively with CAN.
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| CN201410248152.3A CN103997503B (en) | 2014-06-05 | 2014-06-05 | Data collecting system based on CAN |
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| CN201410248152.3A CN103997503B (en) | 2014-06-05 | 2014-06-05 | Data collecting system based on CAN |
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| CN103997503B true CN103997503B (en) | 2016-08-31 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109632319A (en) * | 2018-11-20 | 2019-04-16 | 吉林铁道职业技术学院 | It is a kind of harmony in 5 locomotive diesel machine overhauling auxiliary systems |
| CN110209092B (en) * | 2019-06-17 | 2020-10-09 | 珠海格力电器股份有限公司 | Building automatic control system, control method and device thereof and building system |
| CN111193678B (en) * | 2019-12-30 | 2022-09-16 | 华人运通(上海)云计算科技有限公司 | Data processing method, device, equipment and computer readable storage medium |
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| CN201576317U (en) * | 2009-12-24 | 2010-09-08 | 厦门联创微电子股份有限公司 | Video type vehicle traveling data recorder |
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Effective date of registration: 20180322 Address after: No. 158 Maipu Technology Park in Jiangsu province 226019 Nantong City Chongchuan District Xinsheng Road No. 3 south 3 floor Patentee after: Jiangsu Honghu Electronic Technology Co., Ltd. Address before: 226019 Jiangsu Province, Nantong City Chongchuan District Chongchuan Road No. 58, Nantong science and Technology Park Building 2, room 505 Co-patentee before: Gao Xianfeng Patentee before: Nantong Honghu Information Technology Co., Ltd. |