CN101719313A - Dynamic node detector - Google Patents
Dynamic node detector Download PDFInfo
- Publication number
- CN101719313A CN101719313A CN200810121370A CN200810121370A CN101719313A CN 101719313 A CN101719313 A CN 101719313A CN 200810121370 A CN200810121370 A CN 200810121370A CN 200810121370 A CN200810121370 A CN 200810121370A CN 101719313 A CN101719313 A CN 101719313A
- Authority
- CN
- China
- Prior art keywords
- dynamic node
- node detector
- induced light
- microprocessor
- vehicle
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Landscapes
- Traffic Control Systems (AREA)
Abstract
The invention relates to a dynamic node detector which comprises a moving vehicle sensing device, an induction lamp group, an induction lamp driver, a microprocessor, a CAN communication module and a power module, wherein the output of the sensing device and the output of a computer module are connected with the microprocessor, and the microprocessor is connected with the induction lamp driver. The dynamic node detector detects a moving vehicle by utilizing a microwave and pyroelectric infrared sensor, and after the vehicle is detected, the microprocessor processes a signal and commands the induction lamp driver to control the color conversion of an accessorial bicolor induction lamp. The communications among all dynamic node detectors are realized by a CAN control circuit, N sets of dynamic node detectors are combined and respectively provided with a dial switch which is used for setting an address code of each set of dynamic node detector, and the power module stabilizes the voltage within a rated range. The dynamic node detector can carry out the safety induction on vehicles in dangerous areas and mist zones, and guarantees the vehicle safety in dangerous areas and the travelling safety of vehicles under the conditions that the mist zones are not closed to traffic or have less closed parts to traffic.
Description
Technical field
The invention belongs to the traffic safety technology field, be specifically related to a kind of traveling vehicle promptly and accurately be made identification, be applicable to the dynamic node detector of highway hazardous location and fog-zone smart electronics inducible system, be intended to ensure vehicle safe driving under the situation of not sealing in hazardous location vehicle safety and fog-zone.
Background technology
Under the overall background that national economy develops rapidly, China's expressway construction has entered the new period of high speed development over past ten years, will be above 80,000 kilometers to the year two thousand twenty highway total kilometrage.China many southeastern coast developed regions that are distributed in of highway are subjected to the low influence of whole physical features Xi Gaodong at present, and fog pollution is serious relatively.Increase along with the highway mileage number, the traffic hazard that cause in sharp turn, abrupt slope, Lin Ya Heisui River, bad weather condition location is also increasing, accounted for more than 35% of total number of accident, cause great loss for the country and people's lives and properties, also caused the common concern of expressway construction administrative authority and society.
Mist is many-sided to the influence of turnpike driving, and driving visibility is descended, and the driver does not see the place ahead and situation on every side, causes the driver to spacing, speed of a motor vehicle error in judgement, and identifications such as traffic sign, road equipment are produced difficulty; Secondly cause nervous sense to driver psychology,, have 70% driver psychology when entering the fog-zone overstretched, 85% driver is arranged, have 87.5% driver's vehicle driving posture to change in greasy weather driving susceptible fatigue according to relevant research; Once more,, cause the attachment systems on tire and road surface to reduce, cause the braking distance prolongation because fog mixes with dust stratification, dust etc., easy travel skid, situation such as brake side-slipping.
The expressway fog zone traffic safety has become a global problem, China recent years has also progressively been carried out the research of aspects such as observation procedure, fog-zone traffic safety and supervisory system, the greasy weather control of traffic and road of the structure of mist and prediction methods, mist, but does not form theory and method complete, system as yet.Traffic police department is still more single to the traffic control measure of greasy weather highway, all takes to seal the current countermeasure of main line basically.Though prevented the generation of traffic hazard, be to be cost with the traffic capacity of sacrificing highway.
Therefore, need to seek a kind of detection method, when making vehicle enter fog-zone, sharp turn, abrupt slope, Lin Ya Heisui River, bad weather condition highway, can follow the tracks of detection, moving vehicle is made rapid reaction, the initiation traffic hazard prevents to knock into the back.
Summary of the invention
The present invention is directed to the problems referred to above, purpose be the object of the present invention is to provide a kind of highway thick fog that is laid in easily to send out the highway section, and the dynamic node detector in sharp turn, abrupt slope, Lin Ya Heisui River, bad weather condition area, with traffic guidance and caution, speed limit effectively, guarantee driving safety, overcome the generation of accident rate jeopardously, and blocked road time and number of times are reduced to the influence of freeway traffic in the fog-zone.
Purpose of the present invention is achieved through the following technical solutions:
A kind of dynamic node detector is characterized in that: it comprises the moving vehicle sensing device, and described sensing device comprises that microwave remote sensor and the heat of surveying moving vehicle releases the infrared sensor circuit, in order to accept vehicle invasion signal;
Induced light group and induced light drive, and induced light group arranged is on the centre or both sides facility of highway or closed automotive special lane, in the middle of perhaps being arranged in simultaneously and on the facility of both sides;
Microprocessor in order to accept microwave detector and heat is released the input signal of infrared sensor, carries out filtering, computing, analysis to signal, finishes CRC check automatically, and sends command signal and drive to induced light;
The CAN communication module is made up of CAN controller and peripheral circuit, in order to the passage of data transmission to be provided, links to each other with microprocessor by data bus, by the read-write operation CAN bus communication to the data field;
Power module is with thinking that dynamic node detector and induced light group provide direct supply stably;
The output of sensing device and the output of computer module connect microprocessor, and microprocessor drives with induced light and is connected.
Further, described induced light group is double-colored induced light.
Further, described microwave remote sensor transmission frequency is 10.525GHz; Transmitting range is 10～14 meters, and described heat is released infrared sensor and formed by two detection unit serial connections that polarity is opposite, characteristic is consistent.Its objective is that elimination changes the interference that causes because of environment and self.
The present invention's purpose also provides a kind of detection system of being made up of above-mentioned some dynamic node detectors based on the CAN bus, described dynamic node detector parallel connection, bus communication by CAN control circuit agreement, promptly in the mode of coincidence controller LAN (CAN) communications protocol, carry out data communication between multiplex node, the total line length of CAN control circuit reaches 10Km, baud rate 5Kbps.
For distinguishing the address of respectively overlapping dynamic node detector, set the unique address sign indicating number of dynamic node detector by toggle switch.
Moving vehicle dynamic node detector of the present invention, release on the infrared sensor circuit base at microwave remote sensor and cover heat, the reflection wave that utilizes Doppler's principle when movement of objects, to pop one's head in and launch, when running up to a certain amount of signal conveys, the reflection electric charge gives microprocessor, microprocessor is accepted input signal, signal is carried out filtering, computing, analysis, finish CRC check automatically, and send command signal driving induced light driving circuit.Microprocessor chip carries out conversion and control according to the control program command (CP command) driver module of writing in advance to the induced light group.Described microprocessor adopts embedded microprocessor and programming device in order to finish the real-time processing of image data, computing and corresponding and and control system in communication between other microprocessor, programmable logic device (PLD) realizes the software implementation of hardware, the ability of embedded microprocessor visit peripheral hardware before increasing, it can send input port information to embedded microprocessor by programmable data exchange logic module in the sheet, receive the control information that microprocessor sends, output to peripheral interface through decoding logic module able to programme.
Single dynamic node detector equipment is all put CAN communication protocol, each dynamic node detector is by in parallel, by the link of CAN communication bus form one both relatively independent, co-operating again intelligence control system, dynamic node detector is accepted host computer and is sent the order of setting safe distance, forms the running distance that vehicle travels in the fog-zone and need keep.The double-colored induced light that dynamic node detector is attached, energising is yellow induced light later, there is not vehicle pass-through in the running distance of expression the place ahead regulation, in case there is vehicle to pass through, just control yellow induced light immediately is converted to red induced light to dynamic node detector, the graticule that red induced light is sketched the contours of is expressed as, N rice, the place ahead have car travel impassable.
Every cover dynamic node detector all is set with the unique address sign indicating number and is convenient to identification, and strict setting of front and back order that the unique address sign indicating number is installed according to dynamic node detector can guarantee respectively to overlap detector and accept the communication instruction of oneself.Device interior CAN communication protocol software can organically link together adjacent dynamic node detector, behind the safe space between motorcars of vehicle by regulation, send conversion command, allow the safe space between motorcars of prior setting, and the affiliated red induced light of dynamic node detector of front end is converted to the amber light induced light.
Described Can-Bus bussing technique is the abbreviation of " Controller Area Network BUS technology (Controller AreaNetwork-BUS) ", and it has extremely strong anti-interference and error correcting capability, is used to the earliest in the communication of weapon electronic systems such as aircraft, tank.Have extremely strong anti-interference and error correcting capability, be used to the earliest in the communication of weapon electronic systems such as aircraft, tank.
The present invention is with respect to prior art, and its technique effect is embodied in:
1, to the record analysis of raw data such as mist time of sending out of above-mentioned hazardous location, the magnitude of traffic flow, situation, can be used for to jeopardously with the efficient strategy that provides of fog-zone vehicle safe driving.
2, when hazardous location and some areas generation mist, reach traffic guidance and measures such as caution, speed limit, the coloured light warning tape that forms, the generation that reduces or stop pernicious rear-end collision, ensure the traffic safety of fog-zone, effectively overcome the generation of accident rate jeopardously, improve the security and the traffic capacity on the highway of fog-zone greatly.
Description of drawings
Below in conjunction with the drawings and specific embodiments the present invention is done and to describe in further detail.
Fig. 1 is the structured flowchart of dynamic node detector of the present invention.
Fig. 2 is the pie graph that the present invention is based on N moving vehicle dynamic node detector of CAN bus.
Fig. 3 divides schematic diagram for the power input part of moving vehicle dynamic node detector of the present invention.
Fig. 4 is power supply output and controlling of sampling part schematic diagram.
Fig. 5 is the microwave remote sensor circuit theory diagrams.
Fig. 6 releases the infrared sensor circuit theory diagrams for heat.
Fig. 7 is CAN bus lightning protection circuit figure.
Fig. 8 isolates transmission circuit for CAN.
Embodiment
Below the present invention is described in further detail, but embodiments of the present invention are not limited thereto.
Be the safety traffic of support vehicles under fog-zone, sharp turn, abrupt slope, Lin Ya Heisui River, bad weather condition, dynamic node detector is installed on the fence upright and bridge horizontal bar of highway one side, is arranged in order the installation dynamic node detector every a segment distance along the road.
Dynamic node detector shown in Fig. 1-8 can be installed on the fence upright and bridge horizontal bar of highway one side of hazardous location and fog-zone, be arranged in order installation one cover every a segment distance, node detector can be surveyed the vehicle that enters the fog-zone, node detector is to adopt microwave remote sensor and heat to release infrared sensor, utilize the reflection wave of Doppler's principle at detecting moving vehicle body, the signal of output 1Hz to about the 10Hz, object is static or do not have vehicle and export through out-of-date then no signal.
Vehicle is installed in the dynamic node detector in roadside and follows the tracks of detection when entering hazardous location and fog-zone scope, moving vehicle is made rapid reflection, the attached double-colored induced light of every cover dynamic node detector control, double-colored induced light is installed a cover at a certain distance; Double-colored induced light is divided into red warning notice, yellow induction sign, and when vehicle entered hazardous location and fog-zone, double-colored induced light reached the caution driver and controls the spacing and the speed of a motor vehicle by following scheme.
1, dynamic node detector electric power starting, the induced light of road both sides is yellow;
2, after vehicle enters hazardous location and fog-zone, dynamic node detector has detected vehicle when passing through, what dynamic node detector was set up induces mark promptly shown in red, in the running distance stipulated forwardly of vehicle with the prompting rear vehicle pass-through is arranged, guard against and surmount, after the vehicle that enters need remain certain running distance, reach the effect of control spacing.
3, when vehicle by with the place ahead predefined two car safe distances behind the dynamic node detector, the dynamic node detector that this dynamic node detector is initially gone into the place to the vehicle of setting sends conversion command, the double-colored induced light of initial place is yellow by red conversion, as long as the vehicle control rate does not surmount red induced light, rear-end collision just can not take place in vehicle, and support vehicles are in the safety traffic of hazardous location and fog-zone.
Node detector of the present invention comprises that it comprises the moving vehicle sensing device, induces red, amber light and induced light driving, microprocessor, CAN communication module and power module.
Moving vehicle sensing device, described sensing device comprise that microwave remote sensor and the heat of surveying moving vehicle releases the infrared sensor circuit, in order to accept vehicle invasion signal;
Induced light group and induced light drive, and induced light group arranged is on the centre or both sides facility of highway or closed automotive special lane, in the middle of perhaps being arranged in simultaneously and on the facility of both sides;
Microprocessor in order to accept microwave detector and heat is released the input signal of infrared sensor, carries out filtering, computing, analysis to signal, finishes CRC check automatically, and sends command signal and drive to induced light;
The CAN communication module is made up of CAN controller and peripheral circuit, in order to the passage of data transmission to be provided, links to each other with microprocessor by data bus, by the read-write operation CAN bus communication to the data field;
Power module is with thinking that dynamic node detector and induced light group provide direct supply stably;
The output of sensing device and the output of computer module connect microprocessor, and microprocessor drives with induced light and is connected.
With the bus transfer of CAN control circuit agreement, agreement can communicate with 120 dynamic node detectors at most between several dynamic node detectors.The total line length of CAN control circuit reaches 10Km, baud rate 5Kbps.
For dynamic node detector is respectively overlapped in difference, set the address code of dynamic node detector by toggle switch, feature comprises that also power module provides direct supply stably for dynamic node detector and double-colored induced light.
The embodiment of the invention adopts the MC420S microwave remote sensor, and transmission frequency is 10.525GHz.If vehicle is arranged in motion, the microwave frequency that reflects so will produce change, takes out difference frequency behind transmission signal and the received signal mixing and filtering.Difference frequency is sent into the LM358 operational amplifier and is carried out the secondary amplification, again by directly sending into arm processor after the Schmidt trigger shaping.Microwave remote sensor can accurately measure moving vehicle.
As long as the temperature of object will be launched infrared signal greater than absolute zero, the temperature that vehicle motor sends is all higher, heat is released infrared sensor just can detect infrared ray in variation after vehicle enters, the high more signal of frequency of the big more output of the temperature difference that changes is strong more, the signal of output is amplified to be input to processor after the shaping and to handle, and has reached the effect that detects vehicle.
The LPC2119 inside that the present invention adopts carries two CAN controllers, and total line length reaches the baud rate of 10Km and 5Kbps.The CAN transceiver has been selected CTM1050 isolated form CAN bus transceiver.Communication distance is crossed far can add repeater prolongation communication distance on bus.
The CAN bus is a kind of many main station controllers of serial local area network bus, is the string communication network of distributed control of a kind of effective support or real-time control.The communication media of CAN bus can be a twisted-pair feeder, concentric cable or light transmitting fiber, and traffic rate can reach 1Mbps/40m, and communication distance can reach 10km/40Kbps.Its traffic rate height, good reliability and cheap, can one-to-many and the broadcasting centralized system transmit and accept data.Be fit in the traffic delivery means electrical system very much.
(1) sensor
Described moving vehicle sensing device comprises that microwave remote sensor and the heat of surveying moving vehicle releases the infrared sensor circuit, in order to accept vehicle invasion signal and power module.Release infrared sensor by microwave detector and heat and survey moving vehicle invasion signal, the invasion signal is exported to microprocessor chip.At first the processor internal initialization delay time be 1 second timer, stop to count the count value zero clearing, sail the back detector at vehicle and receive reflected signal and impel that level state changes on the pin, processor makes an immediate response, timer zero clearing and restarting when state changes.As long as pulse signal frequency maintains more than the 1Hz, timer can not produce and interrupt overflowing, and the vehicle existence remains " very ".
Vehicle leaves the back sensor does not have emission signal input, and processor is after 1 second, and timer interrupts, in the program of having no progeny timer is stopped also zero clearing of counting.The vehicle existence is set to " vacation ".
The microwave remote sensor transmission frequency that the embodiment of the invention adopted is 10.525GHz; Transmitting range can reach 14 meters; The heat that circuit adopted is released infrared sensor two detection units that polarity is opposite, characteristic is consistent is serially connected, and purpose is that elimination changes the interference that causes because of environment and self.
Fig. 5 is the microwave remote sensor circuit theory diagrams, adopts the JJWB10S microwave remote sensor, and transmission frequency is 10.525GHz.If vehicle is arranged in motion, the microwave frequency that reflects so will produce change, takes out difference frequency behind transmission signal and the received signal mixing and filtering.Difference frequency is sent into the LM358 operational amplifier and is carried out the secondary amplification, again by directly sending into arm processor after the Schmidt trigger shaping.Microwave remote sensor can measure 16 meters at least with interior vehicle movement.
Fig. 6 releases the infrared sensor circuit theory diagrams for heat.Present embodiment uses JJHW-10S double base heat to release infrared sensor two detection units that polarity is opposite, characteristic is consistent is serially connected, and purpose is that elimination changes the interference that causes because of environment and self.The principle that it utilizes two opposite, equal-sized undesired signals of polarity to cancel out each other in inside is compensated sensor.For the infrared radiation that is radiated to sensor, add to two after pyroelectric sensor focuses on it by the Fresnel Lenses that is installed in the sensor front and survey in the unit, thereby make the sensor output voltage signal.D termination power positive pole during use, G termination power negative pole, the S end is signal output.
As long as the temperature of object will be launched infrared signal greater than absolute zero, heat is released infrared sensor and just can be detected infrared ray in variation when vehicle moves, and the frequency of the fast more output of variation is high more.Around this principle having selected heat, to release infrared sensor be proper, the signal of sensor output amplified be input to arm processor after the shaping and handle, and reached the effect that detects vehicle equally.Detecting distance can reach in 12 meters.
Release of once preposition amplification and the secondary amplification of the electric signal of infrared probe output by heat, handle via the builtin voltage comparer again, detect effective trigger pip deactivation timer time delay by the amplifier of BISS0001 inside.Output delay time is regulated T ≈ 49152R14C15.
(2) induced light
Induced light group arranged is on the centre or both sides facility of highway or closed automotive special lane, in the middle of perhaps being arranged in simultaneously and on the facility of both sides; Induced light drives and sends converted command signal to double-colored induced light, changes the change color of double-colored induced light.The induction sign that the original state node detector is driven is yellow lamp, when sensor receives the pulse signal of the reflection 1Hz-10Hz that vehicle sails into, signal is carried out flowing into ARM7 microprocessor judges and processing after the shaping.Microprocessor eight signals are handled, really judge it is the message that has vehicle to enter by the CAN bus broadcast after the normal signal, this message all node detectors on bus can receive to have only after the filtration through predefined coding, and adjacent node detector could normally receive.Node detector drives and extinguishes yellow induced light like this, drives the red light induced light and lights, and expression has vehicle to pass through in these detector regimes.Vehicle leaves node detector, the output of sensor pulse-free signal, and processor learns that vehicle leaves, immediately the message that leaves by CAN bus broadcast vehicle.Behind the sign-off, red induced light sails out of N small cup node detector quantity according to the vehicle of setting in advance, extinguishes successively to be converted to yellow induced light.
Survey if driving vehicle surmounts the node of prior setting, continuing to overtake other vehicles moves ahead, and in the back that this vehicle crosses, the small cup number that redness is lighted is still according to predefined value control.
The induced light fault detect is fixed as and detected once in five minutes, the induced light of each this drive controlling of node detector independent detection, packing broadcast to master controller to information by CAN after node detector detected the fault induced light, conveyed to host computer by master controller again.
(1) the induced light power supply detects
ARM7 (LPC2119) inside carries multi-channel A C converter, and directly the supply voltage to lamp detects, in case detect numerical value less than 10V or recognize it greater than 20V and be fault.Testing process is consuming time to be no more than 1 millisecond.
(2) induced light self detects
Induced light is connected to driving circuit detection branch electric current, and it normally is fault about half that no current or electric current have only.
Because of red and yellow induced light all are the LED components and parts, so working current is less, the about 100mA of single red light electric current, the about 50mA of single amber light is so just can touch the mark as long as driving circuit can absorb the electric current of 200mA in design.UNL2803 is the chip of a special driving relay, and working current can reach 500mA.
The level shifting circuit that the control pin of LPC2119 is formed by LM393 earlier drives UNL2803 work again.LM393 is two voltage comparators, and it has two input ends and two output terminals, a reference voltage terminal.Output terminal was a high level when input terminal voltage was lower than reference voltage, on the contrary the upset of output terminal level.Control pin output high level UNL2803 conducting just can be lighted the LED lamp.Simultaneously for detection failure, the incoming level signal of amber light red light is through photoelectrical coupler output sampled signal, LPC2119 opens 3 road A/D converters respectively to power supply, amber light electric current, the red light current sample of LED, can record the malfunction of lamp damage or the short circuit of lamp open circuit by computational analysis.
(3) microprocessor carries out filtering, computing, analysis in order to accept microwave detector and heat is released the input signal of infrared sensor to signal, finishes CRC check automatically, and sends command signal and drive to induced light;
(4), the CAN communication module is made up of CAN controller and peripheral circuit, in order to the passage of data transmission to be provided, link to each other with microprocessor, by read-write operation CAN bus communication to the data field by data bus; The Can-Bus bussing technique is the abbreviation of " Controller Area Network BUS technology (Controller Area Network-BUS) ", and it has extremely strong anti-interference and error correcting capability, is used to the earliest in the communication of weapon electronic systems such as aircraft, tank.LPC2119 inside carries two CAN controllers, and the CAN controller hardware is finished CRC check automatically, and total line length reaches the baud rate that 10Km can reach 5Kbps.The CAN transceiver has been selected CTM1050 isolated form CAN bus transceiver.Communication distance is crossed far can add repeater prolongation communication distance on bus.
The power supply of CAN control circuit is exported+the 5V direct current by power module, and through SPX1117M3-3.3 and two three terminal regulators of SPX1117M3-1.8,3.3V and the 1.8V direct current of LPC2119 supplied with in voltage stabilizing output.
For strengthening CAN bus lightning protection effect, the present invention can also increase the CAN lightning protection circuit.Circuit adopts ceramic gas discharge tube P1 and resettable fuse F1 and F2.CAN bus lightning protection circuit as shown in Figure 7
The LPC2119 chip is the node detector controller core, and it is based on 16 ARM7TDMI-S CPU that support real-time simulation and tracking, and has the high speed Flash storer that 128 bytes (kB) embed.46 universaling I/O ports (can bear 5V voltage) nearly, the external interrupt pin of 9 edges or level triggers.Adopt dual power supply, CPU operating voltage range: 1.65～1.95 V (1.8 V ± 0.15 V); I/O operating voltage range: 3.0～3.6 V (3.3 V ± 10%) can bear 5V voltage.
The LPC2119 chip comprises 2 CAN controllers respectively.Controller local area network (CAN) is a serial communication protocol, and it can effectively support the distribution of high safety grade to control in real time.CAN is of wide application, and can use CAN from network at a high speed to the multichannel wiring of low price.The CAN controller characteristic is as follows:
1) message transmission rate on the single bus is up to 1Mb/s
2) 32 bit registers and RAM visit
3) compatible CAN 2.0B, ISO 11898-1 standard
4) overall situation is checked and accepted wave filter and can be discerned all 11 and 29 Rx identifiers
5) check and accept wave filter and provide FullCAN-style automatic reception for the standard identifier of selecting.
CTM1050 is the high-speed CAN transponder chip that a band is isolated, and this chip internal is integrated, and all essential CAN isolate and CAN sending and receiving devices.The major function of chip is that the logic level transition with the CAN controller is the differential level of CAN bus and isolation features with DC 2500V and esd protection effect.Chip can connect any a CAN protocol controller, realizes the transmitting-receiving and the isolation features of CAN node.It is shown in Figure 8 that CAN isolates transmission circuit.
(5) power module
Power module is with thinking that dynamic node detector and induced light group provide direct supply stably;
Because in use in fog-zone intellectual inducing system, a hundreds of node detector is arranged, every circuit reaches several kilometers, use the low power supply of direct current will cause power voltage-drop excessive, each node detector cisco unity malfunction is taked the AC power input of 220V in the design, for having guaranteed that each node detector of power supply quality has all designed linear switching power supply, output DC5V and DC15V voltage, the one tunnel gives the node detector circuit supply, and use for red, yellow induced light on another road.
Added fuse, voltage dependent resistor (VDR) and anti-thunder tube (ceramic gas discharge tube) at power input on the circuit design, effectively lightning protection, holding circuit, the 220V alternating current is exported DC300V by filter rectification and bridge rectifier.Power input part divides principle as shown in Figure 3, and DC300v is added in the D end of VIPER22A through the elementary winding of switch transformation, makes its internal circuit get electric startup work.Secondary winding output two-way square-wave voltage, behind rectifying and wave-filtering output+15V and+the 5V DC voltage, the pilot lamp that two LED (DL1 and DL2) export as two-way.The feedback winding voltage is through D3, and C4 provides power supply for photoelectrical coupler behind the C9 rectifying and wave-filtering.Accurate voltage stabilizer TL431 and photoelectrical coupler are the output voltage sampling, control VIPER22A output duty of ratio, and the purpose of realization voltage stabilizing, this circuit precision of voltage regulation is up to 99%.
Claims (5)
1. dynamic node detector, it is characterized in that: it comprises the moving vehicle sensing device, described sensing device comprises that microwave remote sensor and the heat of surveying moving vehicle releases the infrared sensor circuit, in order to accept vehicle invasion signal;
Induced light group and induced light drive, and induced light group arranged is on the centre or both sides facility of highway or closed automotive special lane, in the middle of perhaps being arranged in simultaneously and on the facility of both sides;
Microprocessor in order to accept microwave detector and heat is released the input signal of infrared sensor, carries out filtering, computing, analysis to signal, finishes CRC check automatically, and sends command signal and drive to induced light;
The CAN communication module is made up of CAN controller and peripheral circuit, in order to the passage of data transmission to be provided, links to each other with microprocessor by data bus, by the read-write operation CAN bus communication to the data field;
Power module is with thinking that dynamic node detector and induced light group provide direct supply stably;
The output of sensing device and the output of computer module connect microprocessor, and microprocessor drives with induced light and is connected.
2. dynamic node detector according to claim 1, it is characterized in that: described induced light group is double-colored induced light.
3. as dynamic node detector as described in the claim 2, it is characterized in that: described microwave remote sensor transmission frequency is 10.525GHz; Transmitting range is 10～14 meters, and described heat is released infrared sensor and formed by two detection unit serial connections that polarity is opposite, characteristic is consistent.Its objective is that elimination changes the interference that causes because of environment and self.
By the described dynamic node detector of above-mentioned some claims 1 form based on CAN bus detection system, it is characterized in that described some identical dynamic node detector parallel connections, by the bus communication of CAN CAN control circuit agreement, the total line length of CAN control circuit reaches 10Km, baud rate 5Kbps.
5. as claim 4 detection system, it is characterized in that setting the unique address sign indicating number of dynamic node detector by toggle switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810121370A CN101719313A (en) | 2008-10-09 | 2008-10-09 | Dynamic node detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810121370A CN101719313A (en) | 2008-10-09 | 2008-10-09 | Dynamic node detector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101719313A true CN101719313A (en) | 2010-06-02 |
Family
ID=42433881
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200810121370A Pending CN101719313A (en) | 2008-10-09 | 2008-10-09 | Dynamic node detector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101719313A (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102056374A (en) * | 2010-10-15 | 2011-05-11 | 黄富杰 | Distributed illumination node control system and control method thereof |
| CN102496290A (en) * | 2011-12-19 | 2012-06-13 | 青岛海信网络科技股份有限公司 | Traffic signal controlling machine based on CAN (Controller Area Network) communication |
| CN103198691A (en) * | 2013-03-15 | 2013-07-10 | 安徽皖通科技股份有限公司 | Car networking roadside information early-warning system |
| CN104695352A (en) * | 2015-03-19 | 2015-06-10 | 长安大学 | System for guiding vehicles on highway in foggy environments |
| CN106789501A (en) * | 2016-12-13 | 2017-05-31 | 合肥赛为智能有限公司 | The bus control system and method for a kind of tandem type unmanned plane dynamical system |
| CN106803346A (en) * | 2015-04-24 | 2017-06-06 | 王栋 | A kind of data processing method of mountainous area highway actual road test ECT signal detection system |
| CN108932859A (en) * | 2018-07-18 | 2018-12-04 | 上海市政工程设计研究总院（集团）有限公司 | A kind of the expressway fog early warning and inducible system of gamut real-time monitoring |
| CN110621112A (en) * | 2019-11-08 | 2019-12-27 | 上海船舶研究设计院（中国船舶工业集团公司第六0四研究院） | Navigation light device and system |
| CN113661416A (en) * | 2019-04-11 | 2021-11-16 | 特鲁普机械奥地利有限公司及两合公司 | Manufacturing apparatus and conveying apparatus |
-
2008
- 2008-10-09 CN CN200810121370A patent/CN101719313A/en active Pending
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102056374A (en) * | 2010-10-15 | 2011-05-11 | 黄富杰 | Distributed illumination node control system and control method thereof |
| CN102056374B (en) * | 2010-10-15 | 2015-05-06 | 黄富杰 | Distributed illumination node control system and control method thereof |
| CN102496290A (en) * | 2011-12-19 | 2012-06-13 | 青岛海信网络科技股份有限公司 | Traffic signal controlling machine based on CAN (Controller Area Network) communication |
| CN103198691A (en) * | 2013-03-15 | 2013-07-10 | 安徽皖通科技股份有限公司 | Car networking roadside information early-warning system |
| CN104695352A (en) * | 2015-03-19 | 2015-06-10 | 长安大学 | System for guiding vehicles on highway in foggy environments |
| CN106803346A (en) * | 2015-04-24 | 2017-06-06 | 王栋 | A kind of data processing method of mountainous area highway actual road test ECT signal detection system |
| CN106803346B (en) * | 2015-04-24 | 2021-02-05 | 西安航空学院 | Mountain area highway road test signal detection system and data processing method |
| CN106789501A (en) * | 2016-12-13 | 2017-05-31 | 合肥赛为智能有限公司 | The bus control system and method for a kind of tandem type unmanned plane dynamical system |
| CN108932859A (en) * | 2018-07-18 | 2018-12-04 | 上海市政工程设计研究总院（集团）有限公司 | A kind of the expressway fog early warning and inducible system of gamut real-time monitoring |
| CN113661416A (en) * | 2019-04-11 | 2021-11-16 | 特鲁普机械奥地利有限公司及两合公司 | Manufacturing apparatus and conveying apparatus |
| US11945666B2 (en) | 2019-04-11 | 2024-04-02 | Trumpf Maschinen Austria Gmbh & Co. Kg. | Manufacturing device and conveyor means |
| CN110621112A (en) * | 2019-11-08 | 2019-12-27 | 上海船舶研究设计院（中国船舶工业集团公司第六0四研究院） | Navigation light device and system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101719313A (en) | Dynamic node detector | |
| CN107458243B (en) | Fault parking control method for intelligent unmanned driving of new energy automobile | |
| CN102737519B (en) | Vehicle-road synergic early warning system with fast passage prompt function and early warning method thereof | |
| CN201210351Y (en) | Intelligent electronic guidance system for fog zone of highway | |
| CN107329466A (en) | A kind of automatic Pilot compact car | |
| CN106347172B (en) | A kind of application method of unmanned public electric car | |
| CN105405309A (en) | Expressway construction work zone vehicle speed control hierarchical early warning system | |
| CN107767677A (en) | Tramcar crossing safety zone control device based on mobile unit | |
| CN204667633U (en) | The intelligent traffic control system let pass fast in a kind of crossing | |
| CN104464367B (en) | Intelligent parking guide method | |
| CN205845328U (en) | Collaborative and the active safety prior-warning device of 4G network based on bus or train route | |
| CN108877242B (en) | Control system and control method of signal lamp vehicle inspection unit with intelligent network connection | |
| CN207067800U (en) | Pure electric sanitation sweeper and its automated driving system | |
| CN205693941U (en) | Multifunctional fire-fighting emergency lighting and evacuation light fixture and intelligence control system | |
| CN109308070A (en) | A kind of pure electric vehicle Environmental sanitation cleaning vehicle and its automated driving system | |
| CN201233654Y (en) | Intelligent electronic induction control system | |
| CN108694840A (en) | A kind of variable traffic guide mark control system | |
| CN107839718A (en) | Tramcar crossing safety zone control device based on fixed equipment | |
| CN108133601A (en) | Road traffic control method and road traffic control system based on alignment system | |
| CN206376199U (en) | Two-way lane inducible system | |
| CN202352104U (en) | Geomagnetic sensor-based corner prompt system | |
| CN207433558U (en) | Tramcar crossing safety zone control device based on fixed equipment | |
| CN207397492U (en) | Tramcar crossing safety zone control device based on mobile unit | |
| CN205104038U (en) | Mountain area bend meeting vehicle monitoring devices | |
| CN201622701U (en) | Urban intelligent transportation guiding screen |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Open date: 20100602 |