CN2393171Y

CN2393171Y - Intelligent digital traffic sign and speech-sound prompter carried on vehicle

Info

Publication number: CN2393171Y
Application number: CN 99229932
Authority: CN
Inventors: 王建民
Original assignee: Individual
Current assignee: Individual
Priority date: 1999-11-09
Filing date: 1999-11-09
Publication date: 2000-08-23
Anticipated expiration: 2009-11-09

Abstract

The utility model discloses an intelligent digital traffic sign and speech-sound prompter mounted on vehicles, which is characterized in that the utility model comprises a transmitter for setting and checking the traffic signal, a vehicle mounted receiver and a speech-sound prompter. In the ejector for setting and checking the traffic signal, a motion detection module is provided. The motion detection module is connected with the microwave transmitting circuit through an intelligent signal processing circuit. In addition, a timing circuit is connected with an FM transmitting circuit through a data conversion circuit. The data conversion circuit connected with a receiving circuit is arranged in the vehicle mounted receiver and the speech-sound prompter. The data conversion circuit is connected with a speech-sound prompting circuit and a display circuit through a data processing circuit. The data processing circuit is also connected with a vehicle speed detection circuit. The utility model has the advantages of novel, reasonable and practical structure, easy installation, simple adjustment, reliable operation and strong function.

Description

Intelligent digital traffic sign and vehicle-mounted voice prompting instrument

The utility model relates to the field of intelligent control technology of road signs and motor vehicles, is a kind of on-vehicle safety prompting instrument that the intelligent digital traffic sign is combined with intelligent automobile safety traffic suggestion device.

Road signs be with graphical symbol and literal transmit customizing messages, in order to commander, the safety installations that regulates the traffic.It is the important information of the acquire full legal force that when road driving, must observe of motor vehicles.It is the important assurance that ensures driver and crew's personal safety.To improving the handling capacity at road and crossing, what try to forestall traffic accidents plays important effect.The various traffic signs that use have been continued to use decades at present, though changed repeatedly, but only be on original basis, to have used light, reflectorized paint etc. to allow human pilot can see the simple measures of sign in all cases clearly, basically also be a kind of visual beacon of non-active, need people's content and reach of removing to see and remember sign initiatively, in reach,, cause some unnecessary consequences as forgetting about that some content often violates the traffic regulations easily.Human pilot sometimes also can be because of various factors when road driving, fails to note and see clearly contour pattern symbol or not in accordance with regulations and do not know that in certain specific road section what speed is the speed of a motor vehicle be controlled in to well, also causes traffic hazard easily.Have for ten times in the accident of travelling nine times because drive over the speed limit and cause.If investigation is found have the people constantly to remind human pilot according to traffic sign and is in time reminded when the driver violates the traffic regulations guaranteeing traffic safety, can play very big effect, can change the passive situation of looking around of driver, the safety traffic information that makes acquire full legal force escort vehicle is all the time travelled, in reach, constantly remind the driver to travel and effectively to guarantee traffic safety by chapter, the generation of minimizing accident, raising road passage capability, the safety of guarantee people's lives and properties.

The purpose of this utility model provide a kind of novel and reasonable structure, easy for installation, debugging is simple, reliable operation, intelligent digital traffic sign and vehicle-mounted voice prompting instrument that function is strong.

Technical solution of the present utility model is: a kind of intelligent digital traffic sign and vehicle-mounted voice prompting instrument, its adopted prior art the structural design that do not adopt: by being installed on the traffic sign signal sets on the existing traffic sign and detecting transmitter, the vehicle-mounted reception and the voice prompting device that are installed on the motor vehicle are formed, in traffic sign signal sets and the detection transmitter motion detection block is arranged, motion detection block is connected with the microwave radiating circuit through the intelligent signal processing circuit, and other has a timing circuit to be connected with a modulating emission circuit through the data conversion circuit; The data converting circuit that links to each other with receiving circuit is arranged in vehicle-mounted reception and the voice prompting device, and data converting circuit is connected with voice warning circuit, display circuit through data processing circuit, and data processing circuit also is connected to speed of a motor vehicle testing circuit.

The motion detection block that traffic signals described in the utility model are set and detected in the transmitter adopts Doppler or far infrared detection means.Certainly, also can adopt other suitable detection means.

The motion detection block that traffic signals described in the utility model are set and detected in the transmitter links to each other with clock pulse oscillator, and clock pulse oscillator links to each other with parallel/serial data converter again, and parallel/serial data converter links to each other with the microwave radiating circuit; Timing circuit adopts 4 seconds timing circuits, and timing circuit linked to each other with the parallel data translation circuit in 4 seconds, and the line data translation circuit links to each other with the rainwater detecting device, and the rainwater detecting device is connected with modulating emission circuit.Certainly, also can adopt other suitable circuit structure forms.

What link to each other with receiving circuit in vehicle-mounted reception described in the utility model and the voice prompting device is serial/parallel data converting circuit, serial/parallel data converting circuit links to each other with voice warning circuit through a logical circuit, also through another logical circuit and a speed limit display circuit, and data comparison circuit is connected, data comparison circuit also is connected with voice prompting device, a photoelectric detector is connected with binary-coded decimal counter composition speed of a motor vehicle testing circuit and with the aforementioned data comparator circuit, photoelectric detector links to each other with a counting circuit in addition, and counting circuit is connected with a reversible counting circuit.And generation sign action function reset pulse ring off signal.The binary-coded decimal counter adopts two 4 binary-coded decimal counters.Certainly, also can adopt the circuit of other suitable construction forms.

The utility model has the advantages that: novel and reasonable structure, easy for installation, debugging is simple, reliable operation, function are strong.Only need power supply connection in power supply and the car, test side are connected with speedometer, regulate speed of a motor vehicle demonstration and conform to actual vehicle speed with regard to the energy operate as normal.For driver and crew's vigilance with remind safety traffic that great help is arranged, equal many safe prompting personnel that the utmost point is done one's duty and kept on the car, can prevent and reduce the generation of violating the regulations and accident effectively.Can accept the voice suggestion of traffic-police and managerial personnel's command scheduling, the dynamics that strengthens management reduces the workload of management work, eliminate the noise of urban traffic intersection and arterial highway both sides, the management that makes vehicular traffic is more intelligent automaticization more rationally, helps improving driving efficient and reduce violating the regulations and accident.

Below in conjunction with drawings and Examples the utility model is further described:

Fig. 1 is the electrical schematic diagram that transmitter was set and detected to the traffic signals in a kind of intelligent digital traffic sign of the present utility model and the vehicle-mounted voice prompting instrument;

Fig. 2 is the vehicle-mounted reception in a kind of intelligent digital traffic sign of the present utility model and the vehicle-mounted voice prompting instrument and the electrical schematic diagram of voice prompting device.

Fig. 1, Fig. 2 have described an embodiment of the present utility model.Fig. 1 has described a kind of intelligent digital traffic sign of utility model and transmitter is set and detected to the traffic signals in the vehicle-mounted voice prompting instrument.The intelligent digital traffic sign is actually 20 group of four figures makers of forming with one group three eight the shift register CD4021 that incorporate into to go here and there out.Detect by multispectral reining in (or far infrared etc.) detection module road pavement driving vehicle, have vehicle by the time provide a noble potential pulse signal, flip-flop shift is exported the digital signal of one group of 24 pulse.Wait and switch second group of parallel number behind these 24 end-of-pulsings at once and be provided with and keep recovering last group after four seconds.Because only need change the speed limit code,, be respectively cruising and be provided with that K1, sleety weather are provided with K3, the speed of a motor vehicle that lowers category is provided with K2 so have only six bit parallel data to have three groups to put code switch.IC6 (555) forms 4 seconds time timers, and what 4 seconds internal detectors had that the noble potential trigger action sends again is second group of data.A sleet detecting device switches six speed of a motor vehicle codes of another group of parallel input when rainfall reaches certain value, and makes the work of a frequency modulation emission sound circuit.The sleet detecting device detects box by two hygristors and one 5 * 5 and the topped thing of sponge shape is formed.Can regulate actuating range according to the humidity data that traffic department provides, the topped thing simulation of sponge shape road surface moisture absorption situation detects the resistance insertion and can effectively detect relevant numerical value.

Power supply is powered by a main battery, and one group of voltage is higher than the solar cell of main battery, assists to main battery and dashes.There is the ground of AC power solar cell can be transformed into the source of stable pressure power supply.Because of all adopting cmos circuits, power consumption is very little, in case the customizable power consumption of large-scale production small single sheet integrated circuit more.

Details are as follows for physical circuit: noble potential of output made triode Q1 conducting form the low pulse of 100ns by R1, R2 and C3 after IC0 Doppler, far infrared detection module met moving object, make the bistable circuit upset of forming by door 1,2,12 pin of IC2 (4O60) are by noble potential step-down current potential, begin counting, simultaneously 9 pin of IC3, IC4, IC5 (4021) are because of sending into parallel data respectively oneself register separately also becomes electronegative potential from noble potential the state that moves to right; IC2 (4O60) forms oscillator by 9,10,11 pin and R6 and crystal oscillator, by the output of 7 pin IC3, IC4, the required shift clock pulse of IC5 (4O21), when 24 pulses of IC2 (4060) output, 13,14 pin output noble potential makes door 3 (with non-) output electronegative potential that door 1,2 bistable circuits are resetted, 12 pin CR end is resetted by low uprising, and stops the output of 7 pin time clock; The current potential of the 9 pin RS of IC3, IC4, IC5 (4O21) end also uprises to become and puts number state simultaneously.The 9 pin step-downs of IC3, IC4, IC5 (4O21) when the 12 pin electronegative potentials of IC2 (4060) are counted, the data of parallel load switch K1, K4, K5 on 1,15,14,13,4,5,6,7 pin are moved to right from IC3 to IC4 successively, export 5 pin of IC8 (FDD400-1) to from 3 pin of IC5, forming carrier wave by IC8 is the 323MHe wireless launcher, 5 pin numbers are launched (the wireless launcher frequency should authenticate the back by public security department and use, and IC8 can regulate at 100-4OOMHe).When 5 pin of IC8 have data, because door 1 output noble potential makes Q2 conducting IC8 work.IC6 (555) forms timer, after having low trigger action, 2 pin pick up counting, 3 pin are uprised by low, door 4 (anti-phase) output electronegative potential, the 15 pin CR end step-down of IC1 (4017) is counted, when 24 pulses of IC2 output, 4 pin will have 6 noble potential pulses to export 14 pin of IC1 (4017) to, CP end counting back 4 pin i.e. the 3rd (Y2) output noble potential, make the VS2 conducting, and 12 pin CO end factor value disconnects VS3 greater than 5 by high step-down, make K1, the data-switching of K5 becomes K2 and D5, the data of D6 are sent into IC4, in the IC5 relevant register, because IC4 at this moment, the 9 pin P of IC5 S be high; Trigger pulse output is arranged again, the too little phonetic code of spacing that will form by lower category speed of a motor vehicle code and D5, the D6 that K2 forms during IC6 regularly.Because 15 pin of IC1 become noble potential, and IC1 (4017) resets, and 12 pin uprise 4 pin step-downs, recover the code of the normal setting formed by K1, K5 after 4 seconds.Form on-off circuit by IC7 (555), when being connected on 2, after hygristor between 6 pin and the ground diminishes, 2,6 pin current potential step-downs are during to certain value, the current potential of 3 pin uprises, VS1 will be turn-offed, VS2, VS3 does not have positive supply, K1, data on the K2 all are 0, VS4 conducting simultaneously, K1 like this, the data conversion of K2 becomes the code data of the sleet weather speed of a motor vehicle of being made up of K3 and K5, and make fixedly speech modulation module work, when having noble potential, will send at the D end FM signal (frequency modulation channel should be the proprietary channel of traffic administration, needs also can amateur band to realize to national applications) of " the sleet weather drives with caution ".The output of 8 pin of IC5 is received on the antenna by C7 in addition, and emitting antenna is contained in the radome of making trumpet type, so that strengthen the directivity of antenna.

The intelligent digital traffic sign is as long as just can be effectively to vehicular traffic emission information by dress at former sign place.During by dress the instrument detecting surface of emission is faced driving vehicle.

The intelligent digital traffic sign is totally five group coding switches.Wherein five of K5 is the voice suggestion code; K1, K2, K3 are six speed of a motor vehicle codes, and most significant digit is hundred of the speed of a motor vehicle, and the position, end is provided with a position of the speed of a motor vehicle, and middle four is decimal system BCD code; K4 is that the code of sign effect mileage is ten, and the first two is ten bit codes of mileage, back eight binary-coded decimals that are respectively behind position and the radix point.

Also comprise following components and parts in the circuit of Fig. 1: integrated circuit (IC) 7 (555), IC9 (fixedly speech modulation transmitter module), IC10 (detection module), regulator block (7805,7809), triode Q3, diode D1, D2, D3, D4, resistance R 3, R4, R5, R6, R7, R8, R9, R10, R11, R12, three groups of 1M * 8 resistor chains, capacitor C 1, C2, C4, C5, C6, C8 etc.Function: A, the mark name voice can be set effectively, sign operating distance, the normal limitations speed of a motor vehicle in the administrative distance.B, by the sign spacing when not reaching predetermined distance, lowering category automatically provides the speed of a motor vehicle and the voice suggestion spacing is too little.C, sleet weather will be set to the speed of a motor vehicle of this highway section weather extremes regulation automatically, and voice suggestion: drive with caution!

Fig. 2 has described vehicle-mounted reception and the voice prompting device in a kind of intelligent digital traffic sign of the present utility model and the vehicle-mounted voice prompting instrument.Mainly be made up of following several partial circuits: accepting serial data is the concurrence data output unit, speed of a motor vehicle test section, and the add subtract counter that can preset part (setting of effect mileage), the speed of a motor vehicle is provided with the demonstration rating unit, and part etc. is play in the voice storage.First is a parallel data for accepting serial data, is made up of the one group three shift register CC14094 and 4060 that seal in and go out.The first five was imported by 4066 segment numbers of making voice suggestion ISD2560 after input was finished; Middle six and 4511 composition speed of a motor vehicle display parts; Ten of backs are the initialize datas of effect mileage.Four of centres in middle six given speed of a motor vehicle sign indicating numbers, ten of setting the speed of a motor vehicle by 4511 decoding and displaying; Most significant digit is hundred, has 1 apparent one to have 0 to show zero; Lowest order is a position, has 1 apparent 5 to be 0 apparent zero.Six bit codes again by 4585 and 74HC682 and 4508 form six bit digital comparers, be second portion.The speed of a motor vehicle detects to be made up of circuit such as Photoelectric Detection and 4518, and the foundation that the speed of a motor vehicle shows and compares is formed in the data of its output and 4511 decodings, is third part.Form the add subtract counter that can preset for three 40192, the initialize data input be with and back ten of line output link; The addition port can manually be provided with mileage; The input of subtraction port is to detect pulse by the speed of a motor vehicle behind 4060 and 4017 frequency divisions to be converted into pulse of per hundred meters inputs, subtraction.Complete zero back output high level is ended the effect of voice and speed limit code, makes this vehicle speed of artificial setting insert comparing data, is the 4th part.The 5th part is that the voice storage is play, and forms 16 sections suggestion voices by a slice ISD2560 and LM386, and fragmented storage is in 2560.Can divide hundreds of periods at most because of ISD2500 series, can reach 120 seconds, expansion leeway is big.

Special-purpose frequency modulation is accepted to ask the national departments concerned application proprietary channel.Though present most of vehicle all is furnished with FM receiver, human pilot is often according to individual's hobby switch radio, and dedicated channel will be ready at all times to accept the management schedule information as travelling indispensable transport information receiving device.Administrative authority can issue various information from all angles to the vehicle that travels by this channel at any time.In view of the vehicle shake is big, should select the few circuit TDA7010 of the coil of wire for use as far as possible.

Details are as follows for physical circuit:

Coded signal receives the back by IC19 (Jdd400-1) and is exported by 7 pin, because the 1st is noble potential in 24 pulses, in 2 pin that input to IC2 (4094), the other end of door 27 (with non-) also is a noble potential, so export 0 current potential, door 25, the upset of door 26 bistable circuits, make the 12 pin CR end step-down of IC1 (4060), begin counting, and by 7 pin output IC2, IC3, the required CP shift clock of the 3 pin pulse of IC4 (4094), and 1 pin ST end becomes 1 by 0, corresponding each latch that enters of the data of shift register is shifted at the rising edge of time clock, after 24 pulses of IC30 output, 13 of IC30,14 pin go out 1 height, door 28 (with non-) go out 0, make door 25, the bistable circuit that door 26 is formed resets IC31, IC32, the 1 pin ST end step-down of IC33 (4094), data output end Q is 4,5,7,14,13,12,11 pin data are constant, just serial input data become parallel data output and preservation.6,7,14,13,12 pin of IC33 are corresponding to the data of K5 among Fig. 1, provide the segment number code by IC34 (4503) to address

end

1,2,3,4,5 pin of sound circuit IC 17 (2560), be electronegative potential because 1,15 pin of IC34 this moment (4503) are the DIS end,

D end pin

2,4,6,10,12 is identical with Q end pin 3,5,7,9,11 current potentials.When 4 pin of IC33 (4094) are 1, promptly 24 codings are all on board, and the monostable circuit work that door 29 (or non-positive pulse triggers) and door 8 will be formed makes door 8 be output as noble potential, it is low that door 16 (rejection gates) are output as, and 23 pin that go to trigger IC 17 are emitted corresponding voice; The noble potential of door 8 is again by door 22 (with non-) simultaneously, the bistable upset that door 23, door 24 are formed, make the DIS end step-down of IC9 (4503), make 3 pin of IC33 and

IC32

4,5,6,7,14 pin six bit data by 4503 transfer to IC27 (4511) and door 45,36,37 decoding backs show three decimal system numerical value, and the data of a side Qn of device IC39 (74HC682) comparison code as a comparison; Form velocity checking circuits by IC35 (4518), eight binary-coded decimals and a carry sign indicating number of its output are passed through IC36 (4508) synchronous acquisition, data as the opposing party Pn of IC39 comparison code, by comparing as if Pn greater than Qn, 1 pin of IC39 will become electronegative potential by height, by door 34 (anti-phase) output noble potential, close IC34, make its output terminal Qn be the high resistant shape, pass through D17, D18, D19, D20 provides 1001 segment numbers to IC17, simultaneously by door 38 (with door), as long as IC17 is not the playback shape, door 38 2 input ends (with door) overall height goes out noble potential, has 1 to go out 0 by door 16 (or non-), trigger playback, IC17 playback shape, 25 pin are noble potentials, by door 12 anti-phase go out low, door 18 can have 01, playback finishes, otherwise high complete 1 if another pin remains, and will continue to put 1001 sections voice, finish until door 34 output step-downs, the realization speed of a motor vehicle is not fallen, prompt facility repeatedly.The BCD up-down counter PE that another road of door 8 outputs can be preset as 1C13,14,15 (40192) by door 9 anti-phase backs holds 11 foot control system current potentials, when finishing, IC31, IC32, IC33 send when several, after 4 pin of IC14 go out 1, door 9 goes out 0, the ten bit data that makes 4,5,6,7,14,13,12 pin of 13,12,11 pin from IC32, IC31 is sent into 40192 Dn end respectively to be finished and puts number, after the monostable recovery that door 29, door 8 are formed, door 9 outputs uprise, and 40192 begin counting.IC13,14,15 (40192) forms three up-down counters, the CPu of IC15 holds 5 pin and R33, R41, C30, door 6, D11, K8 to form manually input, carry out additional calculation to 40192, the CPd of IC15 holds 4 pin to link to each other with 15 pin of IC12 (4017), high impulse subtraction of every input.IC11 (4060) and IC12 (4017) form a counting circuit, to from the umber of pulse of door 42 behind 4060 frequency divisions, promptly any one is counted in 60～100, count through 4017 behind door 20, door 21 (with door) and door 39, the door 35, in 1～10 pulse, select, importing pulse of several pulses output is hundred meters, makes the number of the velocity pulse that exports IC12 to be converted into mileage number and reaches certain precision.Adjustment doors 20, door 21 insert the position-adjustable divisor of 4060Qn.IC16 (4017) repeats playback circuit with the voice that door 18,19, D15, D16 form different segment numbers, about 200 meters of two pulses of 4017 every input 14 pin, noble potential of its 2 pin output, if just in time two input ends in addition of door 19 are high, be that the first two of voice segment number is 1, trigger playback to door 7 to door 19 to door 30 by door 19, door 18 triggers is that back two of segment number are 1 segment numbers, just need about about 400 meters and trigger of four pulses, so only run into qualified segment number and just can repeat, other segment number all can not repeat playback.The setting of two kinds of vehicles i.e. 1 type, 2 types, are to realize by D8, D14, and the specified speed of a motor vehicle is higher than per hour hundred kilometers vehicle disconnection D8, is lower than hundred kilometers disconnection D14.After disconnecting D14, as long as hundred of the speed of a motor vehicle is 1,3 pin of comparer IC39 will data can be sent to, 3 pin will be normal 0 current potentials, what provide as guideboard is code greater than 100,14 pin of that IC32 will be noble potentials, one end of door 17 is high, when the other end when being high, to come turnover door 23 by door 22 just, IC32 is opened in door 24 bistables, and data are sent into comparer, but because door 22 other ends are because of door 17, door 5 current potential changes into 0 and can't overturn, and the noble potential of door 17 has triggered by door 31, door 10, it is monostable that door 33 is formed, and makes bistable door 23, door 24 set IC10 conducting IC37 close, and make the data of manual set deliver to comparer.If be lower than 100 kilometers, door 17 is low with the D8 end, will switch on the guideboard data.IC17 (2560) and IC39 (LM386) form speech play, and its volume potentiometer earth terminal string one resistance can't close extremely volume, keep certain volume to be fit to different occasions.Above circuit can be integrated into large scale integrated circuit (except that detection, mimic channel).

Other leaves a speed of a motor vehicle record storage interface H, 2,4,6,8,11,13,15,17 pin and the storer Ao～An that are IC39 link, the Q i.e. noble potential pulse of the output terminal of door 35 deposits data in the fixed address of storer, i.e. 100 pulse recordings are once stored, and overflow the automatic removing record that starts anew.The number of times that exeeds the regulation speed is write down with the high impulse number of times of detecting gate 34 in another address, and the storage spill-over goes out automatic removing and notes down again.If accident is arranged, as long as take off after the memory decode the speed of a motor vehicle and tired note hypervelocity number of times in nearest several kilometers of this car as can be known.Restricted speed port F, a H link to each other with stepper motor by square-wave generator of its control.

Function:

An A: open vehicle power supply and can point out automatically " for your the happiness rule that please observe traffic laws! " or similar language.

B: " highway section, the place ahead speed limit is travelled to provide corresponding voice suggestion according to the set caution code of traffic marking board! ", " the place ahead please notes pedestrian and vehicle! ", " please note traffic signals! ", " forbid to overtake other vehicles in the place ahead! ", " entering the city please speed limit travel! " wait voice suggestion.

C: the mileage milimeter number that can show numerical value and sign compass of competency according to the given restricted speed code of traffic marking board.As: the speed limit 40Km/ 510Km that per hour travels.Instrument will show above numerical value, and the 100m speed limit of whenever travelling mileage reduces 1 until running through 5Km.Speed surpasses 40Km in the speed limit mileage will voice suggestion " the too high speed limit of the speed of a motor vehicle travels.", in reducing to fixing speed, the speed of a motor vehicle stops.

D: " forbid to overtake other vehicles in the place ahead to provide corresponding voice suggestion according to the mileage that the set the place ahead of traffic marking board forbids the sign of overtaking other vehicles and forbidding to be overtaken other vehicles! ", show and to forbid the mileage number of overtaking other vehicles.As: when in providing restriction 2Km, forbidding to overtake other vehicles, provide the voice suggestion of " forbidding to overtake other vehicles in the place ahead " every certain mileage.Until running through the restriction mileage.The interior speed of a motor vehicle of restriction mileage of forbidding to overtake other vehicles is 50 kilometers/hour, in case hypervelocity will have suggestion voice.

E: when highway travels, meet surpass this car maximum travel speed to the speed of a motor vehicle and will be automatically made in the artificial speed of a motor vehicle that is provided with of this car and travel.

F: the speed of a motor vehicle and distance travelled can manually be set, will be but meet the traffic alarm bridge queen automatically by the content of warning sign defined and the speed of a motor vehicle, the mileage information of qualification.

G: important hints prompting repeatedly at a certain distance, until the distance of the regulation of having travelled.General prompting is only reminded once.Drive over the speed limit to point out repeatedly in the speed of a motor vehicle is reduced to the regulation speed of a motor vehicle and stop.

H: can accept traffic administration and schedule voice that the employed frequency modulation wireless microphone of traffic-police and traffic administration personnel sends.Can accept the various speech modulation cautions of customization and remind voice.

L: can accept that the front truck emitter provides turn to, brake information.And voice suggestion arranged.

Claims

1, a kind of intelligent digital traffic sign and vehicle-mounted voice prompting instrument, it is characterized in that: by be installed on the traffic sign signal sets on the existing traffic sign and detect transmitter, the vehicle-mounted reception and the voice prompting device that are installed on the motor vehicle form, in traffic sign signal sets and the detection transmitter motion detection block is arranged, motion detection block is connected with the microwave radiating circuit through the intelligent signal processing circuit, and other has a timing circuit to be connected with a modulating emission circuit through the data conversion circuit; The data converting circuit that links to each other with receiving circuit is arranged in vehicle-mounted reception and the voice prompting device, and data converting circuit is connected with voice warning circuit, display circuit through data processing circuit, and data processing circuit also is connected to speed of a motor vehicle testing circuit.

2, intelligent digital traffic sign according to claim 1 and vehicle-mounted voice prompting instrument is characterized in that: the motion detection block that traffic signals are set and detected in the transmitter adopts Doppler or far infrared detection means.

3, intelligent digital traffic sign according to claim 1 and vehicle-mounted voice prompting instrument, it is characterized in that: the motion detection block that traffic signals are set and detected in the transmitter links to each other with clock pulse oscillator, clock pulse oscillator links to each other with parallel/serial data converter again, and parallel/serial data converter links to each other with the microwave radiating circuit; Timing circuit adopts 4 seconds timing circuits, and timing circuit linked to each other with the parallel data translation circuit in 4 seconds, and the parallel data translation circuit links to each other with the rainwater detecting device, and the rainwater detecting device is connected with modulating emission circuit.

4, according to claim 1 or 2,3 described intelligent digital traffic signs and vehicle-mounted voice prompting instrument, it is characterized in that: what link to each other with receiving circuit in vehicle-mounted reception and the voice prompting device is serial/parallel data converting circuit, serial/parallel data converting circuit links to each other with voice warning circuit through a logical circuit, also through another logical circuit and a speed limit display circuit, and data comparison circuit is connected, data comparison circuit also is connected with voice prompting device, a photoelectric detector is connected with binary-coded decimal counter composition speed of a motor vehicle testing circuit and with the aforementioned data comparator circuit, photoelectric detector links to each other with a counting circuit in addition, and counting circuit is connected with a reversible counting circuit.

5, intelligent digital traffic sign according to claim 4 and vehicle-mounted voice prompting instrument is characterized in that: the binary-coded decimal counter adopts two 4 binary-coded decimal counter high precision computation circuit, leaves 4 group of 11 port of peripheral circuit interface.