CN106023339A - Automobile driving state recording and monitoring system - Google Patents
Automobile driving state recording and monitoring system Download PDFInfo
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- CN106023339A CN106023339A CN201610301221.1A CN201610301221A CN106023339A CN 106023339 A CN106023339 A CN 106023339A CN 201610301221 A CN201610301221 A CN 201610301221A CN 106023339 A CN106023339 A CN 106023339A
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- resistance
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- end foot
- monitoring system
- driving state
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- G—PHYSICS
- G07—CHECKING-DEVICES
- G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
- G07C5/00—Registering or indicating the working of vehicles
- G07C5/02—Registering or indicating driving, working, idle, or waiting time only
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Time Recorders, Dirve Recorders, Access Control (AREA)
Abstract
The invention relates to the technical field of automobile control, in particular to an automobile driving state recording and monitoring system. The automobile driving state recording and monitoring system comprises a single chip microcomputer, a signal acquiring and processing module, a display module, conditioning circuits, a tick prompt module, a voice alarm module, a switching value module, an automobile data recorder and a sensor module. The signal acquiring module comprises a CAN receiver, a resistor and a CAN interface, and the CAN receiver, the display module, the tick prompt module, the voice alarm module, the switching value module and the automobile data recorder are all connected with the single chip microcomputer. The automobile driving state recording and monitoring system has the advantages that misconduct such as vehicle overspeed can be restrained, an accurate, effective and direct evidence is provided for authenticating the accident cause, investigation cost is reduced, time is saved, the management level is improved, and meanwhile quite high practicability is achieved.
Description
Technical field
The present invention relates to technical field of automobile control, especially a kind of automobile driving state recording and monitoring system
System.
Background technology
Automobile instrument panel be to look at automotive service state the most intuitively, the most vivid, the easiest window.Along with
The fast development of electronic industry, automotive electronics industry develops rapidly, and tradition electromagnetic and mechanical instrument, because of the sky accounted for
Between big, heavy, a series of reasons such as poor real are eliminated the most gradually, and now virtual instrument is because of its interface
The advantage such as attractive in appearance, friendly, powerful, just in vehicle electric field fast development.
Vehicle Traveling Data Recorder (Vehicle travelling data recorder), it is main
Function is that the time to vehicle, mileage, travel speed and other relevant vehicle running state information are entered
Row record, storage also can be checked.Had completely, motoring condition information accurately, it is possible to right
The misconducts such as overspeed of vehicle retrain, for qualification accident occurrence cause, it is provided that accurate and effective, straight
The evidence connect, reduces the cost of investigation, saves the time, improves management level.
Virtual instrument Display Technique is only intended on computer carry out simulation training the earliest and replaces the void of practical operation
Intend display interface, when someone recognizes the actual displayed that can apply to automobile later, school experiment room,
Large-scale motor corporation starts research and development, have passed through the development of more than ten years, and technology is the most ripe, Ke Yiying
For reality.Defect due to traditional mechanical instrument so that virtual instrument is enjoyed by motor corporation to be made a pet of,
Fast development, technology is the most ripe, perfect, and has been applied on automobile.
In the eighties year in last century, external a lot of countries begin to install and use running car on automobile
Monitor.In the nineties later stage, many countries see the value of Vehicle Traveling Data Recorder, the most by force
System requires to use.Till now, Vehicle Traveling Data Recorder is widely used in goods vehicle and motor passenger vehicle
On Deng.
Relatively foreign market, domestic electronic industry starts late, and technical merit is limited.Embedded type virtual instrument
The history of table technology development is the shortest, and technology and experience accumulation are little, and development cost is relatively external high, and function is relatively
Few.
Drive recorder is also the most just to be applied on car, and after 2000, country promulgates the most successively
A series of files, it is desirable to tourism passenger stock, long-distance passenger transportation vehicle, hazardous materials transportation vehicle will be pacified
Dress drive recorder, provides safeguard for transporting safely.
Prior art major defect is that the inadequate improvement of interface circuit of sensor, program are more complicated, touches
Screen reaction is relatively slow, and the data message of Vehicle Traveling Data Recorder is the abundantest.
Summary of the invention
For above-mentioned the deficiencies in the prior art, it is an object of the invention to provide a kind of running car
State recording and monitoring system, solve the problem that the data message of Vehicle Traveling Data Recorder is abundant.
For reaching above-mentioned purpose, the technical solution used in the present invention is:
A kind of automobile driving state recording and monitoring system, including single-chip microcomputer, signal acquisition process module,
Circuit, ticking reminding module, audible alarm module, switching value module, driving note in display module, tune
Record instrument and sensor assembly, described signal acquisition module includes CAN transceiver, resistor and CAN interface,
Described CAN transceiver, display module, ticking reminding module, audible alarm module, switching value module and
Drive recorder is all connected with single-chip microcomputer, and described sensor assembly is connected with single-chip microcomputer by modulate circuit,
Described CAN transceiver is connected with CAN interface by resistor, and described sensor assembly includes chilling temperature
Sensor, fuel-quantity transducer, speed probe, vehicle speed sensor and ultrasonic sensor.
Preferably, described CAN interface include the first control chip, the first resistance, the second resistance, first
Electric capacity and the first header, the second end foot ground connection of described first control chip, described first control chip
3rd end foot is respectively connected to power supply and by the first capacity earth, the 8th end foot of described first control chip
By the first resistance eutral grounding, the 7th end foot of described first control chip accesses the first mark by the second resistance
First end foot of head, the 6th end foot of described first control chip and the first end foot of the first header connect,
Described first header the second end foot and the first control chip the 7th end foot connect, described first header
The 3rd end foot ground connection.
Preferably, described speed probe includes Hall element, the 3rd resistance, the 4th resistance, the 5th electricity
Resistance and the first audion, the first end foot ground connection of described Hall element, the second end foot of described Hall element
Accessed the base stage of the first audion by the 4th resistance, the emitter stage of described first audion accesses the 5th electricity
Resistance, the 3rd end foot of described Hall element accesses power supply, the second end foot of described Hall element and the 3rd end
Connect between foot and have the 3rd resistance.
Preferably, described fuel-quantity transducer includes the second header, the second electric capacity, the 3rd electric capacity, the 6th electricity
Resistance and the 7th resistance, be in series with between the first end foot and the second end foot of described second header the 6th resistance and
3rd electric capacity, described 6th resistance and the 3rd electric capacity loong shunt have the second electric capacity, the of described second header
Two end feet access power supply by the 7th resistance.
Preferably, described speed probe is identical with the circuit structure of vehicle speed sensor, and described oil mass senses
Device is identical with the circuit structure of chilling temperature sensor.
Preferably, described display module is TFT-LCD, and described single-chip microcomputer uses STM32F103 chip.
In using technique scheme, beneficial effects of the present invention: use virtual instrument technology analog mechanical
The automobile instrument panel of formula, utilize sensor node gather engine speed, the oil consumption of automobile, travel speed,
Between car and car away from etc. analog or digital signal, be transferred directly to embedded onboard meter after carrying out pretreatment
Calculation machine, also part signal, such as car light signal, cornering lamp signal is sent to vehicle-mounted by CAN
Computer is analyzed processing, and obtains engine revolution, automobile speed, oil consumption, temperature and steering indicating light etc.
Information, then by them TFT-LCD display screen showing with the form of virtual instrument image.
Vehicle Traveling Data Recorder, to time of vehicle, mileage, travel speed and other are relevant
Vehicle running state information carries out recording, store and can checking.Had completely, running car accurately
Status information, it is possible to the misconducts such as overspeed of vehicle are retrained, for qualification accident occurrence cause,
Evidence accurate and effective, direct is provided, reduces the cost of investigation, save the time, improve management water
Flat.
Accompanying drawing explanation
Fig. 1 is the system block diagram of the present invention；
Fig. 2 is the CAN interface circuit diagram of the present invention；
Fig. 3 is the tach sensor circuit figure of the present invention；
Fig. 4 is the oil level sensor circuit figure of the present invention.
Detailed description of the invention
Below in conjunction with accompanying drawing, embodiments of the invention are described in detail, but the present invention can be by right
Require that the multitude of different ways limiting and covering is implemented.
Such as Fig. 1 and combine Fig. 2 to Fig. 4 and show, a kind of automobile driving state recording and monitoring system, including
Circuit, ticking reminding module, audible alarm mould in single-chip microcomputer, acquisition processing module, display module, tune
Block, switching value module, drive recorder and sensor assembly, described signal acquisition module includes that CAN connects
Receive device, resistor and CAN interface, described CAN transceiver, display module, ticking reminding module, sound
Sound alarm module, switching value module and drive recorder are all connected with single-chip microcomputer, and described sensor assembly leads to
Crossing modulate circuit to be connected with single-chip microcomputer, described CAN transceiver is connected with CAN interface by resistor, institute
State sensor assembly and include chilling temperature sensor, fuel-quantity transducer, speed probe, vehicle speed sensor
And ultrasonic sensor.
Further, described CAN interface includes the first control chip U1, the first resistance R1, the second resistance
R2, the first electric capacity C1 and the first header P1, the second end foot ground connection of described first control chip U1, institute
The 3rd end foot stating the first control chip U1 is respectively connected to power supply and by the first electric capacity C1 ground connection, described
The 8th end foot of the first control chip U1 passes through the first resistance R1 ground connection, described first control chip U1's
7th end foot accesses the first end foot of the first header P1, described first control chip by the second resistance R2
The first end foot of the 6th end foot of U1 and the first header P1 connects, described first header P1 the second end
The 7th end foot of foot and the first control chip U1 connects, the 3rd end foot ground connection of described first header P1.
Each CAN node is made up of microprocessor, CAN controller and CAN transceiver three part,
The connection of CAN is usually connected by CAN transceiver, and CAN transceiver enhances the driving energy of bus
Power, it controls logic level makes signal arrive the physical layer bus from CAN controller, otherwise；Accept
Signal be transferred to CAN controller by CAN transceiver, it is mainly used in system communication, performs at CAN
The CAN protocol defined in stipulations.CAN controller effect is message buffer and acceptance filtenng；Independent CAN
Device processed is always located between microprocessor and CAN transceiver, and generally CAN controller is a collection
Become circuit, just there is no CAN controller inside such as 51 single-chip microcomputers, need external 1 CAN controller；
Contain CAN controller module inside more senior processor, only need external CAN transceiver the most permissible
?.
Further, described speed probe include Hall element J1, the 3rd resistance R3, the 4th resistance R4,
The first end foot ground connection of the 5th resistance R5 and the first audion Q1, described Hall element J1, described Hall
The second end foot of element J1 accesses the base stage of the first audion Q1 by the 4th resistance R4, and the described 1st
The emitter stage of pole pipe Q1 accesses the 3rd end foot of the 5th resistance R5, described Hall element J1 and accesses power supply,
Connect between second end foot and the 3rd end foot of described Hall element J1 and have the 3rd resistance R3.
Having a lot of ECU on automobile, speed probe (crankshaft position sensor) is engine electric-controlled
Ingredient important in unit, it provides ignition advance angle, confirms crank position, is used for detecting piston
Top dead centre, crank angle and engine speed.
Further, described fuel-quantity transducer include the second header P2, the second electric capacity C2, the 3rd electric capacity C3,
Go here and there between first end foot and the second end foot of the 6th resistance R6 and the 7th resistance R7, described second header P2
It is associated with the 6th resistance R6 and the 3rd electric capacity C3, described 6th resistance R6 and the 3rd electric capacity C3 loong shunt has
Two electric capacity C2, the second end foot of described second mark P2 accesses power supply by the 7th electricity R7.Fuel-quantity transducer
Kind the most, have resistance-type, condenser type, piezoelectric type, some row digital etc..But from
Cost and the development problem of the design, the fuel-quantity transducer of final decision float-type, its output is to become
The resistance changed.
Further, described speed probe is identical with the circuit structure of vehicle speed sensor, and described oil mass passes
Sensor is identical with the circuit structure of chilling temperature sensor.
Two ports of cooling-water temperature transmitter are signal end and earth terminal respectively.In order to adapt to severe work
Make environment, it is ensured that the reliability of work, sensor typically by the critesistor of negative temperature coefficient as core
Element, when ECT is low, the signal voltage of sensor resistance height input microcontroller is just
High；When engine temperature raises, the signal voltage of sensor resistance little input microcontroller is the least.
After treatment, range finding just becomes the simplest to ultrasonic distance measuring module, it is only necessary to control Trig foot
Sending out the high level of a more than 10us, then whether detection Echo foot is high level, when Echo being detected
Foot is that high level just immediately turns on intervalometer meter, reads the value of intervalometer when Echo foot becomes low level, this
Time the value of intervalometer that reads, being exactly ultrasound wave after conversion runs into the time that barrier returns from being issued to
Summation it is known that speed and time can calculate distance.
Further, described display module is TFT-LCD, and described single-chip microcomputer uses STM32F103 chip.
Claims (6)
1. an automobile driving state recording and monitoring system, it is characterised in that: include single-chip microcomputer, signal
Circuit, ticking reminding module, audible alarm module, switch in acquisition processing module, display module, tune
Amount module, drive recorder and sensor assembly, described signal acquisition module includes CAN transceiver, electricity
Resistance device and CAN interface, described CAN transceiver, display module, ticking reminding module, audible alarm mould
Block, switching value module and drive recorder are all connected with single-chip microcomputer, and described sensor assembly is by conditioning electricity
Road is connected with single-chip microcomputer, and described CAN transceiver is connected with CAN interface by resistor, described sensor
Module includes chilling temperature sensor, fuel-quantity transducer, speed probe, vehicle speed sensor and ultrasound wave
Sensor.
A kind of automobile driving state recording the most according to claim 1 and monitoring system, its feature exists
In: described CAN interface includes the first control chip, the first resistance, the second resistance, the first electric capacity and
One header, the second end foot ground connection of described first control chip, the 3rd end foot of described first control chip
Being respectively connected to power supply and by the first capacity earth, the 8th end foot of described first control chip passes through first
Resistance eutral grounding, the 7th end foot of described first control chip accesses the first of the first header by the second resistance
End foot, the 6th end foot of described first control chip and the first end foot of the first header connect, and described first
Header the second end foot and the first control chip the 7th end foot connect, the 3rd end of described first header
Foot ground connection.
A kind of automobile driving state recording the most according to claim 1 and monitoring system, its feature
It is: described speed probe includes Hall element, the 3rd resistance, the 4th resistance, the 5th resistance and
One audion, the first end foot ground connection of described Hall element, the second end foot of described Hall element is by the
Four resistance access the base stage of the first audion, and the emitter stage of described first audion accesses the 5th resistance, institute
The 3rd end foot stating Hall element accesses power supply, between the second end foot and the 3rd end foot of described Hall element
Connect and have the 3rd resistance.
A kind of automobile driving state recording the most according to claim 1 and monitoring system, its feature exists
In: described fuel-quantity transducer includes the second header, the second electric capacity, the 3rd electric capacity, the 6th resistance and the 7th
Resistance, is in series with the 6th resistance and the 3rd electric capacity between the first end foot and the second end foot of described second header,
Described 6th resistance and the 3rd electric capacity loong shunt have the second electric capacity, and the second end foot of described second header passes through
7th resistance accesses power supply.
A kind of automobile driving state recording the most according to claim 1 and monitoring system, its feature exists
In: described speed probe is identical with the circuit structure of vehicle speed sensor, described fuel-quantity transducer and cooling
The circuit structure of temperature sensor is identical.
A kind of automobile driving state recording the most according to claim 1 and monitoring system, its feature exists
In: described display module is TFT-LCD, and described single-chip microcomputer uses STM32F103 chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610301221.1A CN106023339A (en) | 2016-04-27 | 2016-04-27 | Automobile driving state recording and monitoring system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610301221.1A CN106023339A (en) | 2016-04-27 | 2016-04-27 | Automobile driving state recording and monitoring system |
Publications (1)
| Publication Number | Publication Date |
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| CN106023339A true CN106023339A (en) | 2016-10-12 |
Family
ID=57099563
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201610301221.1A Pending CN106023339A (en) | 2016-04-27 | 2016-04-27 | Automobile driving state recording and monitoring system |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6983200B2 (en) * | 2002-11-07 | 2006-01-03 | International Business Machines Corporation | Supplemental diagnostic and service resource planning for mobile systems |
| CN102831673A (en) * | 2012-09-06 | 2012-12-19 | 中兴通讯股份有限公司 | Method, device and equipment for processing driving record |
| CN103543834A (en) * | 2013-11-05 | 2014-01-29 | 上海电机学院 | Gesture recognition device and method |
| CN104658056A (en) * | 2013-11-25 | 2015-05-27 | 中兴通讯股份有限公司 | Driving recording method and intelligent terminal |
| CN205608827U (en) * | 2016-04-27 | 2016-09-28 | 李贝 | Vehicle driving state record and monitored control system |
-
2016
- 2016-04-27 CN CN201610301221.1A patent/CN106023339A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6983200B2 (en) * | 2002-11-07 | 2006-01-03 | International Business Machines Corporation | Supplemental diagnostic and service resource planning for mobile systems |
| CN102831673A (en) * | 2012-09-06 | 2012-12-19 | 中兴通讯股份有限公司 | Method, device and equipment for processing driving record |
| CN103543834A (en) * | 2013-11-05 | 2014-01-29 | 上海电机学院 | Gesture recognition device and method |
| CN104658056A (en) * | 2013-11-25 | 2015-05-27 | 中兴通讯股份有限公司 | Driving recording method and intelligent terminal |
| CN205608827U (en) * | 2016-04-27 | 2016-09-28 | 李贝 | Vehicle driving state record and monitored control system |
Non-Patent Citations (3)
| Title |
|---|
| 倪莹祥: ""汽车CAN总线组合仪表设计开发"，倪莹祥，中国优秀硕士学位论文全文数据库工程科技Ⅰ辑，2008年4月", 《汽车CAN总线组合仪表设计开发》 * |
| 古良玲等: ""基于C8051F020的车载数据记录仪的硬件电路"，古良玲等，重庆工学院学报，第22卷第4期，第23-26页，2008年4月", 《基于C8051F020的车载数据记录仪的硬件电路》 * |
| 杨兴山: ""基于嵌入式Linux的车载综合显示与控制系统研究"，杨兴山，中国优秀硕士学位论文全文数据库工程科技Ⅰ辑，2010年2月", 《基于嵌入式LINUX的车载综合显示与控制系统研究》 * |
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Application publication date: 20161012 |
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