CN103295422A - Anti-collision alarm based on vehicle-mounted internet-of-things - Google Patents
Anti-collision alarm based on vehicle-mounted internet-of-things Download PDFInfo
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- CN103295422A CN103295422A CN2013102070767A CN201310207076A CN103295422A CN 103295422 A CN103295422 A CN 103295422A CN 2013102070767 A CN2013102070767 A CN 2013102070767A CN 201310207076 A CN201310207076 A CN 201310207076A CN 103295422 A CN103295422 A CN 103295422A
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Abstract
The invention relates to an anti-collision alarm based on vehicle-mounted internet-of-things. A vehicle-mounted 12V power supply is used for supplying power for the anti-collision alarm in a voltage reducing and stabilizing manner through a vehicle-mounted USB (universal serial bus), an STM32F103 processor module is in interaction with a nanoPAN5275 wireless ranging module through an SPI (serial peripheral interface) so as to acquire wireless distance values which are then displayed through an LCD (liquid crystal display) nixie tube display module. The maximum value displayed on the two-digit nixie tube is 99 meters; if the distance is smaller than a certain threshold value, then the STM32F103 processor module controls a buzzer alarm module to send an alarm, and meanwhile the two-digit nixie tube is in fast blink. The anti-collision alarm based on the vehicle-mounted internet-of-things has the advantages of large ranging, high ranging precision, high ranging speed, capability of measuring multiple wireless distances between the vehicle and multiple adjacent vehicles and the like, and is applicable to sending anti-collision safety alarm for vehicles running in highway at high speed.
Description
Technical field
The invention belongs to the wireless distance finding field of locating technology, be specifically related to a kind of preventing collision of vehicles that is used for based on the wireless distance finding networking and hit used anticollision prior-warning device.
Background technology
Along with the fast development of modern society and constantly bringing forth new ideas of automotive electronic technology, automobile has become the important vehicles of modern society, and whole world automobile pollution is about 1,000,000,000 at present.According to the last-period forecast of overseas authoritative institution, global automobile pollution will continue to increase by 20% in the five-year, and wherein main growth potential is from developing country.But the fast development of automobile industry has also brought many negative effects, and what wherein the people's livelihood was paid close attention to the most is the traffic hazard problem.Constantly perfect along with the super expressway condition; vehicle is in the state of running at high speed through regular meeting; only can rely at present the personal experience to judge that braking distance under the current vehicle speed keeps the spacing with front truck; under situations such as new hand's driving, fatigue driving, furious driving, the reasonable spacing that can't keep normal driving to avoid traffic accident.Development along with the Hyundai Motor technology, air bag, ABS anti-embracing unit, ARS accelerate to trackslip and new technology such as EBS electronic braking force distributor can alleviate the degree of traffic hazard, these technology have great realistic meaning for improving traffic efficiency, but but can't fundamentally avoid traffic accident.How to utilize advanced technology, car assisted driver crosses traffic hazard such as nearly grade to spacing and carries out real-time early warning, and important effect is arranged.The vehicle anticollision system is the active automobile safety system of a kind of intellectuality, and it can driver assistance person be crossed situation such as near to spacing and carries out early warning.But vehicle anticollision system exception complexity, in the face of dynamically, complex environment such as multiple goal, need in real time, fast, high resolving power ground judges the distance between the vehicle.Three kinds of methods of general employing realize that preventing collision of vehicles hit at present: 1) adopt the radar range finding mode, this mode directly, fast, precisely, but for two all be distance between the mobile target, it is very difficult find range, therefore generally for the range finding of fixed target to moving target; 2) adopt the camera photographic images, and then by the image judging distance, but the image computational processing is big, and real-time is difficult to guarantee, particularly for the vehicle of running at high speed; 3) utilize vehicle GPS to declare apart from mode, this mode need upload onto the server positional information, and wireless data is uploaded instability and time-delay is very big, therefore also can't realize the quick distance measurement between the high-speed target.Therefore, at the collision prevention device of the vehicle of running at high speed, must satisfy functions such as calculated amount is less, range finding is real-time, energy multiple point distance measurement, the invention provides a kind of technical scheme that can satisfy these demands.
Summary of the invention
The object of the present invention is to provide a kind of anticollision prior-warning device simple to operation that is applicable to the vehicle of running at high speed, this anticollision prior-warning device utilizes vehicle-mounted Internet of Things to realize wireless distance finding between this car and many adjacent cars.
The anticollision precaution device based on vehicle-mounted Internet of Things that the present invention relates to comprises vehicle-mounted USB charger, Mini-USB data and power supply interface, STM32F103 processor module, nanoPAN 5375 wireless distance finding modules, LCD charactron display module, hummer alarm modules and program download interface.
Described vehicle-mounted USB charger adopts general mini-USB interface, converts vehicle-mounted 12V direct supply to USB interface voltage total system is powered.
Described Mini-USB data and power supply interface comprise voltage transitions chip IC 1, Mini-USB interface JUSB, the first diode D1, light emitting diode D2, first resistance R 1, first capacitor C 1, second capacitor C 2 and the 3rd capacitor C 3.The 1st pin of Mini-USB interface JUSB connects the anode of diode D1, is USB voltage VBus, and the negative electrode of diode D1 connects the 1st pin of voltage transitions chip IC 1 and an end of first capacitor C 1, the other end ground connection of first capacitor C 1.The 2nd pin ground connection of voltage transitions chip IC 1, the 3rd pin of voltage transitions chip IC 1 links to each other with the 1st pin.The 4th pin of voltage transitions chip IC 1 links to each other with an end of second capacitor C 2, the other end ground connection of second capacitor C 2.The 5th pin of voltage transitions chip IC 1 links to each other with an end of the 3rd capacitor C 3, output dc voltage V2.5, the other end ground connection of the 3rd capacitor C 3.The 5th pin of voltage transitions chip IC 1 links to each other with an end of first resistance R 1, the anode of the other end sending and receiving optical diode D2 of first resistance R 1, the plus earth of light emitting diode D2.The 4th, 5 pins of Mini-USB interface JUSB are ground connection respectively.
Described STM32F103 processor module comprises processor chips IC2, second resistance R 2, the 3rd resistance R 3, the 4th resistance R 4, the 5th resistance R 5, the 4th capacitor C 4, the 5th capacitor C 5, crystal oscillator XTAL.The 1st, 9,24,36,48 pins of processor chips IC2 meet 2.5V voltage V2.5, the 8th, 23,35,44, the 47 pin ground connection of processor chips IC2.The 5th pin of processor chips IC2 connects an end of the 4th capacitor C 4 and the end of crystal oscillator XTAL, the other end ground connection of the 4th capacitor C 4, the 6th pin of processor chips IC2 connects an end of the 5th capacitor C 5 and the other end of crystal oscillator XTAL, the other end ground connection of the 5th capacitor C 5.10,11,12,13,14,15,16,17 pins of processor chips IC2 connect the 6th, 7,8,9,4,3,2,1 pin of double figures sign indicating number tube module LED respectively; 18,19 pins of processor chips IC2 meet LED1, the LED2 of double figures sign indicating number tube module LED respectively; 20 pins of processor chips IC2 connect an end of second resistance R 2, the other end ground connection of second resistance R 2; 25,26,27,28,40,41,45,46 pins of processor chips IC2 connect the 32nd, 5,7,8,13,26,30,31 pins of nanoPAN5375 chip IC 3 respectively; The 34th, 37 pins of processor chips IC2 connect the 2nd, 1 pin of JDown connector respectively; The 32nd pin of processor chips IC2 connects an end of the 4th resistance R 4, an end of another termination the 5th resistance R 5 of the 4th resistance R 4 and the 3rd pin of Mini-USB interface JUSB, another termination USB voltage VBus of the 5th resistance R 5; The 33rd pin of processor chips IC2 connects an end of the 3rd resistance R 3, the 2nd pin of another termination Mini-USB interface JUSB of the 3rd resistance R 3.Other pins of processor chips IC2 are unsettled.
Described nanoPAN 5375 wireless distance finding modules comprise nanoPAN5375 chip IC 3, antenna ANT_SMT.The 2nd, 6,21 pins of nanoPAN5375 chip IC 3 meet 2.5V voltage V2.5, the 1st, 3,4,14,15,16,17,18,19,20,22,23,25,27,28,29 pin ground connection.The 5th pin SPICLK of nanoPAN5375 chip IC 3 connects the 26th pin of processor chips IC2, the 7th pin SPITXD of nanoPAN5375 chip IC 3 connects the 27th pin of processor chips IC2, the 8th pin SPIRXD of nanoPAN5375 chip IC 3 connects the 28th pin of processor chips IC2, the 13rd pin nPONRESET of nanoPAN5375 chip IC 3 connects the 40th pin of processor chips IC2, the 26th pin TX_RX of nanoPAN5375 chip IC 3 connects the 41st pin of processor chips IC2, the 30th pin uCIRQ of nanoPAN5375 chip IC 3 connects the 45th pin of processor chips IC2, the 31st pin uCRST of nanoPAN5375 chip IC 3 connects the 46th pin of processor chips IC2, the 32nd pin SPISSN of nanoPAN5375 chip IC 3 connects the 25th pin of processor chips IC2, the 24th pin of nanoPAN5375 chip IC 3 connects the positive pole of antenna ANT_SMT, the minus earth of antenna ANT_SMT.Other pins of nanoPAN5375 chip IC 3 are unsettled.
Described LED charactron display module comprises double figures sign indicating number tube module LED, the 6th resistance R 6, the 7th resistance R 7, the 3rd diode D3, the 4th diode D4, the first field effect transistor T1, the second field effect transistor T2.The 6th, 7,8,9,4,3,2,1 pin of double figures sign indicating number tube module LED connects 10,11,12,13,14,15,16,17 pins of processor chips IC2 respectively.The 10th pin of double figures sign indicating number tube module LED connects the source electrode of the first field effect transistor T1 and the negative electrode of the 3rd diode D3, the drain electrode of the first field effect transistor T1 connects an end of anode, 2.5V voltage V2.5 and the 6th resistance R 6 of the 3rd diode D3, the grid level of another termination LED1 of the 6th resistance R 6 and the first field effect transistor T1.The 5th pin of double figures sign indicating number tube module LED connects the source electrode of the second field effect transistor T2 and the negative electrode of the 4th diode D4, the drain electrode of the second field effect transistor T2 connects an end of anode, 2.5V voltage V2.5 and the 7th resistance R 7 of the 4th diode D4, another termination LED2 of the 7th resistance R 7 and the grid of the second field effect transistor T2.
Described hummer alarm modules comprises loudspeaker Beep, triode Q1, the 8th resistance R 8, the 9th resistance R 9.One termination USB voltage VBus of the 8th resistance R 8, the end of another termination loudspeaker Beep of the 8th resistance R 8, the collector of another termination triode Q1 of loudspeaker Beep, the grounded emitter of triode Q1, the base stage of triode Q1 connects an end of the 9th resistance R 9, the 21st pin Buzzer of another termination processor chips IC2 of the 9th resistance R 9.
Described program download interface mainly is made up of the JDown connector, and the 1st, 2,3,4 pins of JDown connector connect the 37th pin, 34 pins, 2.5V voltage V2.5 and the ground of processor chips IC2 respectively.
Compare with background technology, the present invention has adopted the wireless location design proposal of symmetrical bilateral two-way range finding (SDS-TWR) mechanism, can select two spacings to be lower than Threshold Alerts and two spacings and the close comprehensive two kinds of alarm modes of speed, have finding range far away (more than 500 meters), distance accuracy height (in 1 meter of the absolute precision), range finding speed fast (Measuring Time 100ms between the single-point), can survey the characteristics such as multiple wireless distance between this car and many adjacent cars, be applicable to the anticollision safe early warning of highway fast running vehicle.
Description of drawings
Fig. 1 is integrated circuit structural representation of the present invention;
Fig. 2 is Mini-USB data and the power supply interface synoptic diagram among Fig. 1;
Fig. 3 is the STM32F103 processor module synoptic diagram among Fig. 1;
Fig. 4 is the nanoPAN 5375 wireless distance finding module diagrams among Fig. 1;
Fig. 5 is the LED charactron display module synoptic diagram among Fig. 1;
Fig. 6 is the hummer alarm modules synoptic diagram among Fig. 1;
Fig. 7 is the program download interface synoptic diagram among Fig. 1;
Fig. 8 is software flow pattern of the present invention.
Embodiment
The object of the present invention is to provide a kind of anticollision prior-warning device simple to operation that is applicable to the vehicle of running at high speed, when vehicle is under the situation of running at high speed, can initiate warning if spacing is crossed when near, cause.The present invention is different with traditional radar range finding scheme, the present invention has adopted the wireless location design proposal of symmetrical bilateral two-way range finding (SDS-TWR) mechanism, can select two spacings to be lower than Threshold Alerts and two spacings and the close comprehensive two kinds of alarm modes of speed, has finding range (more than 500 meters) far away, distance accuracy height (in 1 meter of the absolute precision), range finding speed fast (Measuring Time 100ms between the single-point), can survey the characteristics such as multiple wireless distance between this car and many adjacent cars, be applicable to the anticollision safe early warning of highway fast running vehicle, but also can utilize vehicle-mounted Internet of Things to realize wireless distance finding between this car and many adjacent cars.
The anticollision precaution device based on vehicle-mounted Internet of Things that the present invention relates to comprises vehicle-mounted USB charger, Mini-USB data and power supply interface, STM32F103 processor module, nanoPAN 5375 wireless distance finding modules, LCD charactron display module, hummer alarm modules and program download interface.Anticollision precaution device based on vehicle-mounted Internet of Things uses vehicle-mounted 12V power supply, utilize vehicle-mounted USB charger to realize Pressure-stabilizing pressure reducing supply native system, STM32F103 processor module and nanoPAN 5375 wireless distance finding modules are undertaken alternately by the SPI interface, obtain wireless distances numerical value, utilize LCD charactron display module to show then, the maximal value that double figures sign indicating number pipe shows is 99 meters, if distance is less than certain threshold value, STM32F103 processor module control hummer alarm modules is reported to the police, and fast blink appears in double figures sign indicating number pipe simultaneously.
As shown in Figure 1, vehicle-mounted USB charger of the present invention adopts general mini-USB interface, converts vehicle-mounted 12V direct supply to USB interface voltage total system is powered.
As shown in Figure 2, Mini-USB data of the present invention and power supply interface comprise voltage transitions chip IC 1, Mini-USB interface JUSB, the first diode D1, light emitting diode D2, first resistance R 1, first capacitor C 1, second capacitor C 2 and the 3rd capacitor C 3.The 1st pin of Mini-USB interface JUSB connects the anode of diode D1, be USB voltage VBus, the negative electrode of diode D1 connects the 1st pin of voltage transitions chip IC 1 and an end of first capacitor C 1, the other end ground connection of first capacitor C 1, first capacitor C, 1 value 10uF, diode D1 is used for preventing the power supply reversal connection, adopts the SS12 model.The 2nd pin ground connection of voltage transitions chip IC 1, the 3rd pin of voltage transitions chip IC 1 links to each other with the 1st pin.The 4th pin of voltage transitions chip IC 1 links to each other with an end of second capacitor C 2, the other end ground connection of second capacitor C 2, second capacitor C, 2 value 10nF.The 5th pin of voltage transitions chip IC 1 links to each other with an end of the 3rd capacitor C 3, output dc voltage V2.5, the other end ground connection of the 3rd capacitor C 3, the 3rd capacitor C 3 value 10uF.The 5th pin of voltage transitions chip IC 1 links to each other with an end of first resistance R 1,250 ohm of first resistance R, 1 values, the anode of the other end sending and receiving optical diode D2 of first resistance R 1, the plus earth of light emitting diode D2, light emitting diode D2 adopts general straight cutting form emitting red light diode.The 4th, 5 pins of Mini-USB interface JUSB are ground connection respectively.Voltage transitions chip IC 1 is converted to 2.5V with USB voltage VBus and supplies with uses such as STM32F103 processor module, nanoPAN 5375 wireless distance finding modules.
As shown in Figure 3, STM32F103 processor module of the present invention comprises processor chips IC2, second resistance R 2, the 3rd resistance R 3, the 4th resistance R 4, the 5th resistance R 5, the 4th capacitor C 4, the 5th capacitor C 5, crystal oscillator XTAL.The 1st, 9,24,36,48 pins of processor chips IC2 meet 2.5V voltage V2.5, the 8th, 23,35,44, the 47 pin ground connection of processor chips IC2.The 5th pin of processor chips IC2 connects an end of the 4th capacitor C 4 and the end of crystal oscillator XTAL, the other end ground connection of the 4th capacitor C 4, the 6th pin of processor chips IC2 connects an end of the 5th capacitor C 5 and the other end of crystal oscillator XTAL, the other end ground connection of the 5th capacitor C 5, crystal oscillator XTAL frequency is 16MHz, the 4th capacitor C 4 and the 5th capacitor C 5 value 30pF.10,11,12,13,14,15,16,17 pins of processor chips IC2 connect the 6th, 7,8,9,4,3,2,1 pin of double figures sign indicating number tube module LED respectively, 18,19 pins of processor chips IC2 meet LED1, the LED2 of double figures sign indicating number tube module LED respectively, are used for the control charactron and show.20 pins of processor chips IC2 connect an end of second resistance R 2, the other end ground connection of second resistance R 2, second resistance R, 2 value 10K ohms; The 21 pin Buzzer of processor chips IC2 connect R9 one end of buzzer warning module, are used for control hummer alarm modules.25,26,27,28,40,41,45,46 pins of processor chips IC2 connect the 32nd, 5,7,8,13,26,30,31 pins of nanoPAN5375 chip IC 3 respectively, the main data of being responsible for configuration and reading the nanoPAN5375 chip.The 34th, 37 pins of processor chips IC2 connect the 2nd, 1 pin of JDown connector respectively, are used for program and download and debugging.The 32nd pin of processor chips IC2 connects an end of the 4th resistance R 4, one end of another termination the 5th resistance R 5 of the 4th resistance R 4 and the 3rd pin of Mini-USB interface JUSB, another termination USB voltage VBus of the 5th resistance R 5, the 33rd pin of processor chips IC2 connects an end of the 3rd resistance R 3, the 2nd pin of another termination Mini-USB interface JUSB of the 3rd resistance R 3 is used for the usb communication between the present invention and the computer.The 3rd resistance R 3, the 4th resistance R 4, the 5th resistance R 5 be 22 ohm, 22 ohm of values, 1.5K ohm respectively.Other pins of processor chips IC2 are unsettled.
As shown in Figure 4, nanoPAN 5375 wireless distance finding modules of the present invention comprise nanoPAN5375 chip IC 3, antenna ANT_SMT.The 2nd, 6,21 pins of nanoPAN5375 chip IC 3 meet 2.5V voltage V2.5, the 1st, 3,4,14,15,16,17,18,19,20,22,23,25,27,28,29 pin ground connection.The 5th pin SPICLK of nanoPAN5375 chip IC 3 connects the 26th pin of processor chips IC2, the 7th pin SPITXD of nanoPAN5375 chip IC 3 connects the 27th pin of processor chips IC2, the 8th pin SPIRXD of nanoPAN5375 chip IC 3 connects the 28th pin of processor chips IC2, these several pins are used for SPI communication, the 13rd pin nPONRESET of nanoPAN5375 chip IC 3 connects the 40th pin of processor chips IC2, be used for resetting control, the 41st pin that the 26th pin TX_RX of nanoPAN5375 chip IC 3 meets processor chips IC2 is used for transmitting-receiving control, the 30th pin uCIRQ of nanoPAN5375 chip IC 3 connects the 45th pin of processor chips IC2, the 31st pin uCRST of nanoPAN5375 chip IC 3 connects the 46th pin of processor chips IC2, the 32nd pin SPISSN of nanoPAN5375 chip IC 3 connects the 25th pin of processor chips IC2, the 24th pin of nanoPAN5375 chip IC 3 connects the positive pole of antenna ANT_SMT, the minus earth of antenna ANT_SMT.Other pins of nanoPAN5375 chip IC 3 are unsettled.NanoPAN5375 chip IC 3 is carried out data interaction with processor chips IC2 by the SPI communication mode.Antenna ANT_SMT adopts the whip type antenna of 2.4G frequency.
As shown in Figure 5, LED charactron display module of the present invention comprises double figures sign indicating number tube module LED, the 6th resistance R 6, the 7th resistance R 7, the 3rd diode D3, the 4th diode D4, the first field effect transistor T1, the second field effect transistor T2.The 6th, 7,8,9,4,3,2,1 pin of double figures sign indicating number tube module LED connects 10,11,12,13,14,15,16,17 pins of processor chips IC2 respectively, is respectively PA0, PA1, PA2, PA3, PA4, PA5, PA6, PA7 eight bit data interface.The 10th pin of double figures sign indicating number tube module LED connects the source electrode of the first field effect transistor T1 and the negative electrode of the 3rd diode D3, the drain electrode of the first field effect transistor T1 connects an end of anode, 2.5V voltage V2.5 and the 6th resistance R 6 of the 3rd diode D3, the grid level of another termination LED1 of the 6th resistance R 6 and the first field effect transistor T1.The 6th resistance R 6, the 7th resistance R 7 are all got 100 ohm.The 5th pin of double figures sign indicating number tube module LED connects the source electrode of the second field effect transistor T2 and the negative electrode of the 4th diode D4, the drain electrode of the second field effect transistor T2 connects an end of anode, 2.5V voltage V2.5 and the 7th resistance R 7 of the 4th diode D4, the grid level of the other end LED2 of the 7th resistance R 7 and the second field effect transistor T2.The first field effect transistor T1 and the second field effect transistor T2 adopt the SI2301 model.Processor chips IC2 can bring in by LED1 and LED2 control and close or open two LCD charactrons.
As shown in Figure 6, hummer alarm modules of the present invention comprises loudspeaker Beep, triode Q1, the 8th resistance R 8, the 9th resistance R 9.One termination USB voltage VBus of the 8th resistance R 8, the end of another termination loudspeaker Beep of the 8th resistance R 8, the collector of another termination triode Q1 of loudspeaker Beep, the grounded emitter of triode Q1, the base stage of triode Q1 connects an end of the 9th resistance R 9, the 21st pin Buzzer of another termination processor chips IC2 of the 9th resistance R 9.The 8th resistance R 8, the 9th resistance R 9 are got 100 ohm and 1K ohm respectively, and loudspeaker Beep is the common two pin hummers that power on and namely ring, and triode Q1 adopts 9013 models.
As shown in Figure 7, program download interface of the present invention mainly is made up of the JDown connector of 4 pins, be mainly used in program debug and download, the 1st, 2,3,4 pins of JDown connector connect the 37th pin, 34 pins, 2.5V voltage V2.5 and the ground of processor chips IC2 respectively.
Voltage transitions chip IC 1 of the present invention, processor chips IC2, nanoPAN5375 chip IC 3 all adopt matured product, voltage transitions chip IC 1 adopts the SP6205-2.5 of Sipex company, processor chips IC2 adopts the STM32F103CB of ST company, and nanoPAN5375 chip IC 3 adopts the nanoPAN5375 of nanotron company.Mini-USB interface JUSB, double figures sign indicating number tube module LED and JDown connector all adopt ripe connector and charactron.
Software flow of the present invention as shown in Figure 8, each anticollision precaution device has unique ID value, by wireless poll, can obtain neighbours' information of vehicles of this car fast, thereby obtain Ben Che and neighbours' vehicle between each distance, point out warning according to distance threshold at last.Owing to adopted the communication protocol of vehicle-mounted Internet of Things, so can realize multiple point distance measurement between this car and many neighbours' vehicles, satisfy the anticollision early warning under the complex road condition.
Claims (1)
1. anticollision precaution device based on vehicle-mounted Internet of Things, comprise vehicle-mounted USB charger, Mini-USB data and power supply interface, STM32F103 processor module, nanoPAN 5375 wireless distance finding modules, LCD charactron display module, hummer alarm modules and program download interface, it is characterized in that:
Described vehicle-mounted USB charger adopts general mini-USB interface, converts vehicle-mounted 12V direct supply to USB interface voltage;
Described Mini-USB data and power supply interface comprise voltage transitions chip IC 1, Mini-USB interface JUSB, the first diode D1, light emitting diode D2, first resistance R 1, first capacitor C 1, second capacitor C 2 and the 3rd capacitor C 3; The 1st pin of Mini-USB interface JUSB connects the anode of diode D1, is USB voltage VBus, and the negative electrode of diode D1 connects the 1st pin of voltage transitions chip IC 1 and an end of first capacitor C 1, the other end ground connection of first capacitor C 1; The 2nd pin ground connection of voltage transitions chip IC 1, the 3rd pin of voltage transitions chip IC 1 links to each other with the 1st pin; The 4th pin of voltage transitions chip IC 1 links to each other with an end of second capacitor C 2, the other end ground connection of second capacitor C 2; The 5th pin of voltage transitions chip IC 1 links to each other with an end of the 3rd capacitor C 3, output dc voltage V2.5, the other end ground connection of the 3rd capacitor C 3; The 5th pin of voltage transitions chip IC 1 links to each other with an end of first resistance R 1, the anode of the other end sending and receiving optical diode D2 of first resistance R 1, the plus earth of light emitting diode D2; The 4th, 5 pins of Mini-USB interface JUSB are ground connection respectively, and the model of described voltage transitions chip IC 1 is SP6205-2.5;
Described STM32F103 processor module comprises processor chips IC2, second resistance R 2, the 3rd resistance R 3, the 4th resistance R 4, the 5th resistance R 5, the 4th capacitor C 4, the 5th capacitor C 5, crystal oscillator XTAL; The 1st, 9,24,36,48 pins of processor chips IC2 meet 2.5V voltage V2.5, the 8th, 23,35,44, the 47 pin ground connection of processor chips IC2; The 5th pin of processor chips IC2 connects an end of the 4th capacitor C 4 and the end of crystal oscillator XTAL, the other end ground connection of the 4th capacitor C 4, the 6th pin of processor chips IC2 connects an end of the 5th capacitor C 5 and the other end of crystal oscillator XTAL, the other end ground connection of the 5th capacitor C 5; 10,11,12,13,14,15,16,17 pins of processor chips IC2 connect the 6th, 7,8,9,4,3,2,1 pin of double figures sign indicating number tube module LED respectively; 18,19 pins of processor chips IC2 meet LED1, the LED2 of double figures sign indicating number tube module LED respectively; 20 pins of processor chips IC2 connect an end of second resistance R 2, the other end ground connection of second resistance R 2; 25,26,27,28,40,41,45,46 pins of processor chips IC2 connect the 32nd, 5,7,8,13,26,30,31 pins of nanoPAN5375 chip IC 3 respectively; The 34th, 37 pins of processor chips IC2 connect the 2nd, 1 pin of JDown connector respectively; The 32nd pin of processor chips IC2 connects an end of the 4th resistance R 4, an end of another termination the 5th resistance R 5 of the 4th resistance R 4 and the 3rd pin of Mini-USB interface JUSB, another termination USB voltage VBus of the 5th resistance R 5; The 33rd pin of processor chips IC2 connects an end of the 3rd resistance R 3, the 2nd pin of another termination Mini-USB interface JUSB of the 3rd resistance R 3; Other pins of described processor chips IC2 are unsettled, and its model is STM32F103;
Described nanoPAN 5375 wireless distance finding modules comprise nanoPAN5375 chip IC 3, antenna ANT_SMT; The 2nd, 6,21 pins of nanoPAN5375 chip IC 3 meet 2.5V voltage V2.5, the 1st, 3,4,14,15,16,17,18,19,20,22,23,25,27,28,29 pin ground connection; The 5th pin SPICLK of nanoPAN5375 chip IC 3 connects the 26th pin of processor chips IC2, the 7th pin SPITXD of nanoPAN5375 chip IC 3 connects the 27th pin of processor chips IC2, the 8th pin SPIRXD of nanoPAN5375 chip IC 3 connects the 28th pin of processor chips IC2, the 13rd pin nPONRESET of nanoPAN5375 chip IC 3 connects the 40th pin of processor chips IC2, the 26th pin TX_RX of nanoPAN5375 chip IC 3 connects the 41st pin of processor chips IC2, the 30th pin uCIRQ of nanoPAN5375 chip IC 3 connects the 45th pin of processor chips IC2, the 31st pin uCRST of nanoPAN5375 chip IC 3 connects the 46th pin of processor chips IC2, the 32nd pin SPISSN of nanoPAN5375 chip IC 3 connects the 25th pin of processor chips IC2, the 24th pin of nanoPAN5375 chip IC 3 connects the positive pole of antenna ANT_SMT, the minus earth of antenna ANT_SMT; Other pins of nanoPAN5375 chip IC 3 are unsettled;
Described LED charactron display module comprises double figures sign indicating number tube module LED, the 6th resistance R 6, the 7th resistance R 7, the 3rd diode D3, the 4th diode D4, the first field effect transistor T1, the second field effect transistor T2; The 6th, 7,8,9,4,3,2,1 pin of double figures sign indicating number tube module LED connects 10,11,12,13,14,15,16,17 pins of processor chips IC2 respectively; The 10th pin of double figures sign indicating number tube module LED connects the source electrode of the first field effect transistor T1 and the negative electrode of the 3rd diode D3, the drain electrode of the first field effect transistor T1 connects an end of anode, 2.5V voltage V2.5 and the 6th resistance R 6 of the 3rd diode D3, the grid level of another termination LED1 of the 6th resistance R 6 and the first field effect transistor T1; The 5th pin of double figures sign indicating number tube module LED connects the source electrode of the second field effect transistor T2 and the negative electrode of the 4th diode D4, the drain electrode of the second field effect transistor T2 connects an end of anode, 2.5V voltage V2.5 and the 7th resistance R 7 of the 4th diode D4, another termination LED2 of the 7th resistance R 7 and the grid of the second field effect transistor T2;
Described hummer alarm modules comprises loudspeaker Beep, triode Q1, the 8th resistance R 8, the 9th resistance R 9; One termination USB voltage VBus of the 8th resistance R 8, the end of another termination loudspeaker Beep of the 8th resistance R 8, the collector of another termination triode Q1 of loudspeaker Beep, the grounded emitter of triode Q1, the base stage of triode Q1 connects an end of the 9th resistance R 9, the 21st pin Buzzer of another termination processor chips IC2 of the 9th resistance R 9;
Described program download interface mainly is made up of the JDown connector, and the 1st, 2,3,4 pins of JDown connector connect the 37th pin, 34 pins, 2.5V voltage V2.5 and the ground of processor chips IC2 respectively.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310207076.7A CN103295422B (en) | 2013-05-29 | 2013-05-29 | A kind of anticollision precaution device based on vehicle-mounted Internet of Things |
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| CN201310207076.7A CN103295422B (en) | 2013-05-29 | 2013-05-29 | A kind of anticollision precaution device based on vehicle-mounted Internet of Things |
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| CN103295422B CN103295422B (en) | 2015-08-12 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104125284A (en) * | 2014-07-30 | 2014-10-29 | 杭州电子科技大学 | Internet of Things based AGV (automated guided vehicle) on-board controller |
| CN104202363A (en) * | 2014-08-15 | 2014-12-10 | 杭州电子科技大学 | Internet of things based automated guided vehicle (AGV) wireless network intensive coordinator |
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| CN200948775Y (en) * | 2006-09-26 | 2007-09-19 | 黄文涛 | Self-help automobile anti-collision alarming protection device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104125284A (en) * | 2014-07-30 | 2014-10-29 | 杭州电子科技大学 | Internet of Things based AGV (automated guided vehicle) on-board controller |
| CN104202363A (en) * | 2014-08-15 | 2014-12-10 | 杭州电子科技大学 | Internet of things based automated guided vehicle (AGV) wireless network intensive coordinator |
| CN104202363B (en) * | 2014-08-15 | 2017-11-17 | 杭州电子科技大学 | A kind of AGV wireless networks based on Internet of Things concentrate telegon |
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| CN103295422B (en) | 2015-08-12 |
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