CN102984241A - Distributed vehicle-mounted perception and vehicle-mounted communication device based on controller area network (CAN) bus - Google Patents
Distributed vehicle-mounted perception and vehicle-mounted communication device based on controller area network (CAN) bus Download PDFInfo
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Abstract
The invention relates to a distributed vehicle-mounted perception and vehicle-mounted communication device based on a controller area network (CAN) bus. The distributed vehicle-mounted perception and vehicle-mounted communication device comprises a vehicle-mounted sensor unit, a main control unit, a communication unit, a CAN transceiver unit, a power supply management module and an external power supply. The vehicle-mounted sensor unit comprises a three-shaft accelerator and a three-shaft gyroscope and is used for detecting six degree-of-freedom information. The main control unit comprises a single chip microcomputer and a program loading port used for loading single chip microcomputer program. The communication unit comprises a global system for mobile communication (GSM)/ general packet radio service (GPRS) module and a global position system (GPS) module and is used for being communicated with a remote monitoring center. The CAN transceiver is used for transmitting sensor signals and communication module signals processed by the single chip microcomputer to a vehicle-mounted bus to avoid large-scale wire distribution. The power supply management unit converts the vehicle-mounted power supply into a power supply of the device. The distributed vehicle-mounted perception and vehicle-mounted communication device percepts vehicle state information in real time, provides a plurality of integration communication modes and control center communication and facilitates monitoring management of the control center.
Description
Technical field
The present invention relates to CAN bussing technique, on-vehicle information sensory perceptual system and vehicle-carrying communication field, relate in particular to a kind of distributed vehicle-mounted perception and vehicular communication unit based on the CAN bus.
Background technology
The scale and benefit of auto industry are obvious in national economy, interrelationship between industries is high, fund and technology-intensive, have very consequence in Strategy for economic development.Be accompanied by growing continuously and fast of China's economic, the highway communication aspect has obtained the gratifying achievement of a sequence: mileage in highway open to traffic rapid growth, vehicle guaranteeding organic quantity and driving number rapid growth thereof etc., but also brought sequence highway traffic safety problems such as road traffic accident increase, injured and death toll cumulative year after year thereupon.Highway communication presents the trend of highspeed running, wagon flow densification and driver's deprofessionaliztion, and consequent frequently traffic accident also makes the highway traffic safety problem become the topic of a social extensive concern.
A large amount of studies show that: if the driver can do sth. in advance to recognize in 1 second the generation of traffic accident, and made a response in advance, take corresponding correct measure in 0.5 second, just can avoid 60% rear-end collision, 30% vehicle frontal collision, 50% the relevant accident in road surface.If can occur effectively to give the alarm to the driver front 1 second in potential traffic accident, then can avoid 90% traffic accident.
Studies show that, in the road traffic system of " people-Che-Lu ", human pilot to external world environment false judgment and drive in faulty operation all can have a strong impact on motor vehicle driving safety.The vehicle-mounted sensing device of therefore exploitation key, strengthening can the effective guarantee traffic safety to the driving behavior monitoring.The perception of motion state of automobile is very necessary for promoting automobile active safety.Present Auto Electronic Controlled System does not realize comprehensive perception of motion state of automobile, and other open system of the Asymmetry information of perception.
The on-vehicle information perception not only provides automobile real time execution parameter, is used to more and more develop the freshness function of safe prediction forecast aspect, and these are playing an important role aspect automotive safety control gradually.
Along with the development of the communication technology, cell-phone function constantly strengthens, and to use phone be very unsafe movement yet drive a car, so the vehicle communication terminal that the user need to develop an alternative mobile phone carries out voice call and various data service.
Present automotive positioning system shortcoming on the market is to lack the functions such as conversation and short message, does not have data service can't realize that the GPS information of outer bound pair vehicle takes full advantage of, and vehicle monitoring management can't be realized in the vehicle monitoring center.
In sum, not yet announce in the present technical scheme a can Real-Time Monitoring motoring condition parameter information and can be undertaken alternately by vehicle mounted communication equipment and control center, with parameter feedbacks such as the state information of vehicle and locating information to Surveillance center, it is professional to have increased simultaneously car phone, can be for easily various information services are provided under the driving condition.
Summary of the invention
The technical problem to be solved in the present invention is: provide a kind of based on CAN bus distributed vehicle-mounted perception and vehicular communication unit, this device can be by vehicle-mounted transducer real-time perception motion state of automobile, and be sent to automobile bus by the processing to data, call in order to supervisory control system.Simultaneously, wireless communication unit can be sent to Surveillance center with information such as the state information of vehicle and positions, so that Surveillance center monitors and manages automobile.
The technical solution adopted for the present invention to solve the technical problems is: a kind of distributed vehicle-mounted perception and vehicular communication unit based on the CAN bus, comprise the onboard sensor unit, main control unit, communication unit, the CAN transceiver unit, power management module and external power supply, wherein, the onboard sensor unit comprises that 3 axle accelerators and 3 axle gyroscopes are for detection of vehicle 6DOF information, main control unit comprises data processing module and program download port, be used for downloading Single Chip Microcomputer (SCM) program, communication unit comprises gsm module, GPRS module and GPS module, be used for and the remote monitoring center communication, the CAN transceiver is used for and will be sent to vehicle-mounted bus through sensor signal and the communication module signal that single-chip microcomputer is processed, avoid extensive wiring, Power Management Unit converts vehicle power to the power supply of this device.
Surveillance center is comprised of server, can pass through the network connection communication unit, monitors the state information of vehicle-mounted perception, also can send simultaneously the car-mounted terminal of information, in order to car-mounted terminal is operated, both guaranteed the in-vehicle information perception, realize Surveillance center's management by network again.The onboard sensor unit gather motion state of automobile comprise automobile vertically, the angular speed of the acceleration of side direction, vertical 3 directions and yaw, inclination, pitching 3 directions amounts to 6 motor messages.
Onboard sensor of the present invention unit comprises a plurality of interfaces: A/D interface, I
2C interface, GPIO mouth and serial ports, and pass through I
2C interface links to each other with data processing module.Gsm module, GPRS module and GPS module all are connected with the data processing module corresponding ports by the RS232 serial ports.
Program download port of the present invention is connected with data processing module by jtag interface.
Power management module of the present invention connects onboard sensor unit, main control unit and communication unit by the DC-DC chip.Described communication unit comprises the positioner that is integrated on the device, can realize the information interaction with Surveillance center by network, is convenient to Surveillance center monitor vehicle position.Main control unit carries out fusion treatment for the treatment of the sensing data that collects to sensor information, simultaneously also to communication unit data carry out corresponding fusion treatment, and information package is sent to the CAN transceiver.
Extraneous power module of the present invention adopts automobile mounted power supply.
CAN transceiver of the present invention adopts the TJA1050 chip, is used for being sent to vehicle-mounted bus through sensor signal and the communication module signal that single-chip microcomputer is processed.
Gsm module of the present invention and GPRS module comprise GSM Modem device, supporting Mobile phone card.Described GPS module comprises the GPS equipment that can receive satellite location data.Described gsm module, GPRS module and GPS module Wireless Data Transmission adopt the SMA interface antenna.Described data processing module adopts the MC9S12XET256 chip.
The invention has the beneficial effects as follows, solved the defective that exists in the background technology, 1, this uses the CAN bus as data transfer mode based on the distributed vehicle-mounted perception of CAN bus and a vehicular communication unit, and by distributed bus technology minimizing wire harness, save cost, improve the bus utilization ratio.2, this can be uploaded to Surveillance center based on the distributed vehicle-mounted perception of CAN bus and vehicular communication unit and perceive to get car status information, also can monitor vehicle scheduling by network, be conducive to improve the managerial skills of road traffic, the foundation of intelligent transportation system and car networking is had the exploration meaning.3, this distributed vehicle-mounted perception and vehicular communication unit based on the CAN bus is integrated with GSM/GPRS module, GPS locating module, when dangerous working condition occurring, can in time send the warning distress signal by short message, language phone or network to Surveillance center, be convenient to timely processing and work afterwards.
Description of drawings
The present invention is further described below in conjunction with drawings and Examples.
Fig. 1 is principle assumption diagram of the present invention.
Embodiment
The present invention is further detailed explanation with preferred embodiment by reference to the accompanying drawings now.These accompanying drawings are the schematic diagram of simplification, basic structure of the present invention only is described in a schematic way, so it only show the formation relevant with the present invention.
The present invention relates generally to the technology such as distributed onboard sensor technology, vehicle-carrying communication technology, CAN bussing technique and Data Fusion.The motion state parameters of Real-time Collection vehicle and In-vehicle networking communications status will collect to such an extent that information sends to automobile bus by the CAN bus after processing through single-chip microcomputer, be convenient to onboard system and call.
In addition, the information that collects can be by Internet Transmission to Surveillance center, can classify and adds up information of vehicles in Surveillance center, and the value-added service of demand can be provided for vehicle.
Below be specific embodiments of the invention and by reference to the accompanying drawings, technical scheme of the present invention is further described, but the present invention be not limited to these embodiment.
As shown in Figure 1, distributed vehicle-mounted perception and the vehicular communication unit of this CAN bus comprise the onboard sensor unit, main control unit, communication unit, the CAN transceiver unit, power management module and external power supply, it is characterized in that, described onboard sensor unit comprises 3 axle accelerators and 3 axle gyroscopes, for detection of vehicle 6DOF state information, described main control unit comprises single-chip microcomputer and program download port, be used for downloading Single Chip Microcomputer (SCM) program, described communication unit comprises GSM/GPRS module and GPS module, be used for and the remote monitoring center communication, described CAN transceiver is used for and will be sent to vehicle-mounted bus through sensor signal and the communication module signal that single-chip microcomputer is processed, and described Power Management Unit converts vehicle power to the power supply of this device.
As shown in Figure 1, after automobile starting, car begins to monitor the running state information of automobile at sensor unit, mainly formed by 3 axle accelerations and 3 axle gyroscopes, the state information of monitor vehicle is processed through single-chip microcomputer, convert to and the more closely-related main motion state of automobile parameters of traffic safety, such as yaw angle, angle of heel, vertical speed of a motor vehicle, yaw velocity, longitudinal acceleration and side acceleration.All to sensor unit is 6 axle motion assembly MPU-6050.
As shown in Figure 1, vehicle-carrying communication unit major function is, the monitor message that vehicle-mounted perception state parameter, voice messaging, short message and the control centre that reception sends from data processing module comes by Internet Transmission, communication unit also is integrated with the GPS locating module in addition, determine in real time the position of vehicle, these information can realize state-detection, telecommunication management and the Informatization Service to automobile.
As shown in Figure 1, the function of gsm module, GPRS module is to realize that vehicle-carrying communication and Surveillance center carry out the two-way communication of voice-and-data.Voice transfer is the process of conversation, and transfer of data is Surveillance center's Real-Time Monitoring car status information, and vehicle is carried out monitoring management.
As shown in Figure 1, Surveillance center mainly is made of server, can be by the running state information of network Real-time Obtaining automobile, to monitoring vehicles in real time, when dangerous working condition occurring, Surveillance center also can assist rescue, can form a fleet for the vehicle that this device is housed, realize online Real-Time Scheduling management by Surveillance center, the management of Surveillance center can be passed through short message, language phone or network and realize.
As shown in Figure 1, main control unit mainly comprises data processing module and program download port, is the core of being responsible for deal with data, and the source code that data are processed downloads to data processing module, be Freescale MC9S12X256 single-chip microcomputer herein, this processor passes through I
2C pin connecting sensor unit obtains the travel condition of vehicle information that transducer collects; Obtain the data message of GSM/GPRS module and GPS module by simulative serial port, and the information that is transferred to processor is carried out sequential processing, after the operation such as format change, be transferred on the vehicle-mounted bus by the CAN interface, be convenient to Vehicular system and call.
Just the specific embodiment of the present invention of describing in the above specification, various not illustrating is construed as limiting flesh and blood of the present invention, the person of an ordinary skill in the technical field after having read specification can to before described embodiment make an amendment or be out of shape, and do not deviate from essence of an invention and scope.
Claims (10)
1. distributed vehicle-mounted perception and vehicular communication unit based on a CAN bus, it is characterized in that: comprise the onboard sensor unit, main control unit, communication unit, the CAN transceiver unit, power management module and external power supply, wherein, the onboard sensor unit comprises that 3 axle accelerators and 3 axle gyroscopes are for detection of vehicle 6DOF information, main control unit comprises data processing module and program download port, be used for downloading Single Chip Microcomputer (SCM) program, communication unit comprises gsm module, GPRS module and GPS module, be used for and the remote monitoring center communication, the CAN transceiver is used for and will be sent to vehicle-mounted bus through sensor signal and the communication module signal that single-chip microcomputer is processed, avoid extensive wiring, Power Management Unit converts vehicle power to the power supply of this device.
2. distributed vehicle-mounted perception and vehicular communication unit based on the CAN bus according to claim 1 is characterized in that, described onboard sensor unit comprises a plurality of interfaces: A/D interface, I
2C interface, GPIO mouth and serial ports, and pass through I
2C interface links to each other with data processing module.
3. distributed vehicle-mounted perception and vehicular communication unit based on the CAN bus according to claim 1 is characterized in that, described gsm module, GPRS module and GPS module all are connected with the data processing module corresponding ports by the RS232 serial ports.
4. distributed vehicle-mounted perception and vehicular communication unit based on the CAN bus according to claim 1 is characterized in that, described program download port is connected with data processing module by jtag interface.
5. distributed vehicle-mounted perception and vehicular communication unit based on the CAN bus according to claim 1 is characterized in that, described power management module connects onboard sensor unit, main control unit and communication unit by the DC-DC chip.
6. distributed vehicle-mounted perception and vehicular communication unit based on the CAN bus according to claim 1 is characterized in that, described extraneous power module adopts automobile mounted power supply.
7. distributed vehicle-mounted perception and vehicular communication unit based on the CAN bus according to claim 1 is characterized in that, described CAN transceiver adopts the TJA1050 chip.
8. distributed vehicle-mounted perception and vehicular communication unit based on the CAN bus according to claim 3 is characterized in that, described gsm module and GPRS module comprise GSM Modem device, supporting Mobile phone card; Described GPS module comprises the GPS equipment that can receive satellite location data.
9. according to claim 1 or 3 described distributed vehicle-mounted perception and vehicular communication units based on the CAN bus, it is characterized in that described gsm module, GPRS module and GPS module Wireless Data Transmission adopt the SMA interface antenna.
10. according to claim 1 or 4 described distributed vehicle-mounted perception and vehicular communication units based on the CAN bus, it is characterized in that described data processing module adopts the MC9S12XET256 chip.
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103223945A (en) * | 2013-03-25 | 2013-07-31 | 苏州德鲁克供应链管理有限公司 | Automatic cruise software for automobile |
| CN103366413A (en) * | 2013-06-24 | 2013-10-23 | 成都市晶林科技有限公司 | Environment-friendly vehicle traveling data recorder |
| CN103903421A (en) * | 2014-03-28 | 2014-07-02 | 中国东方电气集团有限公司 | Network management method of remote monitoring system based on GPRS (General Packet Radio Service) |
| CN104156018A (en) * | 2014-08-27 | 2014-11-19 | 李旭光 | Corn harvester bearing monitoring and warning system based on CAN bus |
| CN104301191A (en) * | 2013-06-05 | 2015-01-21 | 上海联影医疗科技有限公司 | Bus system |
| CN104483861A (en) * | 2014-12-11 | 2015-04-01 | 长城信息产业股份有限公司 | Intelligent vehicle-mounted monitoring device and intelligent vehicle-mounted monitoring method |
| CN104648049A (en) * | 2013-11-21 | 2015-05-27 | 沃尔沃汽车公司 | Method for estimating a relative tire friction performance |
| CN105262657A (en) * | 2015-09-24 | 2016-01-20 | 河南科技大学 | Vehicle intelligent network real-time communication device and communication method thereof |
| CN105466450A (en) * | 2015-11-21 | 2016-04-06 | 广西南宁至简至凡科技咨询有限公司 | GPS-based train journey measuring system |
| CN105700449A (en) * | 2016-02-01 | 2016-06-22 | 江苏赫奕科技有限公司 | Novel vehicle monitoring system and method |
| CN106382936A (en) * | 2016-11-22 | 2017-02-08 | 天津驰华科技有限公司 | Vehicle-mounted navigation display system based on Beidou satellite positioning |
| CN106696856A (en) * | 2015-07-27 | 2017-05-24 | 深圳市赛格导航科技股份有限公司 | Vehicle-mounted navigation host starting system and method based on CAN bus |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101135907A (en) * | 2007-09-29 | 2008-03-05 | 北京博创兴工科技有限公司 | Engineering machinery remote monitering system |
| CN101439696A (en) * | 2008-12-15 | 2009-05-27 | 芜湖卓越线束***有限公司 | Car speed sensor |
| CN201297942Y (en) * | 2008-10-14 | 2009-08-26 | 杭州中导电子技术有限公司 | GPS terminal device with CAN bus |
| US20110072123A1 (en) * | 2009-09-18 | 2011-03-24 | Yuan-Yong Hsu | Auto-meter system with controller area network bus |
| CN102130931A (en) * | 2010-01-14 | 2011-07-20 | 万向电动汽车有限公司 | Electric automobile remote monitoring system based on controller area network (CAN) bus |
-
2012
- 2012-11-22 CN CN2012104770073A patent/CN102984241A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101135907A (en) * | 2007-09-29 | 2008-03-05 | 北京博创兴工科技有限公司 | Engineering machinery remote monitering system |
| CN201297942Y (en) * | 2008-10-14 | 2009-08-26 | 杭州中导电子技术有限公司 | GPS terminal device with CAN bus |
| CN101439696A (en) * | 2008-12-15 | 2009-05-27 | 芜湖卓越线束***有限公司 | Car speed sensor |
| US20110072123A1 (en) * | 2009-09-18 | 2011-03-24 | Yuan-Yong Hsu | Auto-meter system with controller area network bus |
| CN102130931A (en) * | 2010-01-14 | 2011-07-20 | 万向电动汽车有限公司 | Electric automobile remote monitoring system based on controller area network (CAN) bus |
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103223945A (en) * | 2013-03-25 | 2013-07-31 | 苏州德鲁克供应链管理有限公司 | Automatic cruise software for automobile |
| CN104301191A (en) * | 2013-06-05 | 2015-01-21 | 上海联影医疗科技有限公司 | Bus system |
| CN103366413A (en) * | 2013-06-24 | 2013-10-23 | 成都市晶林科技有限公司 | Environment-friendly vehicle traveling data recorder |
| CN104648049A (en) * | 2013-11-21 | 2015-05-27 | 沃尔沃汽车公司 | Method for estimating a relative tire friction performance |
| US9944132B2 (en) | 2013-11-21 | 2018-04-17 | Volvo Car Corporation | Method for estimating a relative tire friction performance |
| CN104648049B (en) * | 2013-11-21 | 2017-08-25 | 沃尔沃汽车公司 | Method for estimating opposing tire frictional behaviour |
| CN103903421A (en) * | 2014-03-28 | 2014-07-02 | 中国东方电气集团有限公司 | Network management method of remote monitoring system based on GPRS (General Packet Radio Service) |
| CN104156018A (en) * | 2014-08-27 | 2014-11-19 | 李旭光 | Corn harvester bearing monitoring and warning system based on CAN bus |
| CN104483861B (en) * | 2014-12-11 | 2017-02-22 | 长城信息产业股份有限公司 | Intelligent vehicle-mounted monitoring device and intelligent vehicle-mounted monitoring method |
| CN104483861A (en) * | 2014-12-11 | 2015-04-01 | 长城信息产业股份有限公司 | Intelligent vehicle-mounted monitoring device and intelligent vehicle-mounted monitoring method |
| CN106696856A (en) * | 2015-07-27 | 2017-05-24 | 深圳市赛格导航科技股份有限公司 | Vehicle-mounted navigation host starting system and method based on CAN bus |
| CN105262657A (en) * | 2015-09-24 | 2016-01-20 | 河南科技大学 | Vehicle intelligent network real-time communication device and communication method thereof |
| CN105262657B (en) * | 2015-09-24 | 2018-07-10 | 河南科技大学 | Intelligent automobile network real time communication device and its communication means |
| CN105466450A (en) * | 2015-11-21 | 2016-04-06 | 广西南宁至简至凡科技咨询有限公司 | GPS-based train journey measuring system |
| CN105700449A (en) * | 2016-02-01 | 2016-06-22 | 江苏赫奕科技有限公司 | Novel vehicle monitoring system and method |
| CN106382936A (en) * | 2016-11-22 | 2017-02-08 | 天津驰华科技有限公司 | Vehicle-mounted navigation display system based on Beidou satellite positioning |
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Application publication date: 20130320 |