CN105118319A - Shaping-circuit-based mode identification prompting system for infrared positioning signal lamp - Google Patents
Shaping-circuit-based mode identification prompting system for infrared positioning signal lamp Download PDFInfo
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- CN105118319A CN105118319A CN201510556642.4A CN201510556642A CN105118319A CN 105118319 A CN105118319 A CN 105118319A CN 201510556642 A CN201510556642 A CN 201510556642A CN 105118319 A CN105118319 A CN 105118319A
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Abstract
The invention discloses a shaping-circuit-based mode identification prompting system for an infrared positioning signal lamp. The system is composed of a power supply module, a prompting module connected with the power supply module, a central control module, and a camera. The prompting module and the camera are connected with the central control module; and the central control module includes a positioning module, a mode identification module connected with the positioning module, and a speed sensing module connected with the mode identification module. The system is characterized in that the positioning module consists of a constant-current infrared transmitting circuit, an infrared receiving circuit, a shaping circuit connected with the infrared receiving circuit, a single-chip microcomputer connected with the shaping circuit, and a distance threshold storage module and a trigger module, wherein the distance threshold storage module and the trigger module are connected with the single-chip microcomputer. According to the invention, the shaping circuit carries out processing on an infrared signal reflected by a vehicle, so that a distortion phenomenon of the infrared signal during the transmission process can be reduced. Therefore, precision of vehicle position determination can be enhanced.
Description
Technical field
The present invention relates to a kind of pattern recognition system, specifically refer to the infrared locate mode signal lamp pattern-recognition system for prompting based on shaping circuit.
Background technology
At present along with the sustainable development of economy, automobile quantity sharply increases, urban road day by day blocks up, in order to ensure traffic order and pedestrains safety, generally on every bar road, there is one group of red, yellow, and green traffic lights, by the State Transferring of signal lamp, command various vehicle and pedestrains safety to pass through, realize the robotization of traffic administration.
In order to prevent making a dash across the red light by mistake, be all use cab signal lamp prompt system or in signal lamp control system, sender unit be installed at present, in car, signal receiving device be installed, thus reach the object of marker lamp.But cab signal lamp prompt system is easily subject to the interference of extraneous color, and can only simply programme, this type of technology of function for complexity will have significant limitation, lack good extendability.And directly the current state of signal lamp is sent in a broadcast manner the signal receiving device of all vehicles in certain limit by control system, so the current state of signal lamp can be obtained like clockwork.But because needs install signal output apparatus at each traffic lights place, the method cost is higher, and is not suitable for the situation of Current traffic facility.Therefore, provide one to remind driver, the system for prompting avoiding it to make a dash across the red light is then the current task of top priority.
Summary of the invention
The object of the invention is to overcome the defect that driver makes a dash across the red light by mistake, a kind of infrared locate mode signal lamp pattern-recognition system for prompting based on shaping circuit is provided.
Object of the present invention is achieved through the following technical solutions: based on the infrared locate mode signal lamp pattern-recognition system for prompting of shaping circuit, by power module, the prompting module be connected with power module, middle control module and camera form; Described prompting module and camera are all connected with middle control module.
Further, described middle control module is then by locating module, and the pattern recognition module be connected with locating module and the speed perception module be connected with pattern recognition module form.Described locating module by constant current infrared transmitter, infrared radiation receiving circuit, the shaping circuit be connected with infrared radiation receiving circuit, the single-chip microcomputer be connected with shaping circuit, and the distance threshold memory module be connected with single-chip microcomputer and trigger module form.
Described shaping circuit is by triode VT5, triode VT6, reverser A1, reverser A2, one end is connected with the base stage of triode VT5, the resistance R22 that the other end is then connected with the collector of triode VT6 after resistance R28, one end is connected with the collector of triode VT5, the resistance R24 that the other end is then connected with the tie point of resistance R28 with resistance R22, one end is connected with the tie point of resistance R28 with resistance R22, the other end is the resistance R26 of ground connection after resistance R27 then, be serially connected in the electric capacity C9 between the collector of triode VT5 and the base stage of triode VT6, N pole is connected with the base stage of triode VT5 after electric capacity C8, the diode D6 that P pole is then connected with the emitter of triode VT5 after resistance R25, one end is connected with the base stage of triode VT5, the resistance R23 that the other end is then connected with the P pole of diode D6, the electric capacity C10 be in parallel with resistance R25, one end is connected with the emitter of triode VT6, the resistance R29 that the other end is then connected with the P pole of diode D6, the electric capacity C11 be in parallel with resistance R29, and one end is connected with the backward end of reverser A1, the resistance R30 that the other end is then connected with the P pole of diode D6 forms, the base stage of described triode VT6 is connected with the tie point of resistance R27 with resistance R26, and its collector is then connected with the forward end of reverser A1, the forward end of described reverser A2 is then connected with the backward end of reverser A1, and its backward end then forms the output terminal of this shaping circuit together with the P pole of diode D6, N pole and the resistance R22 of described diode D6 form the input end of this shaping circuit together with the tie point of resistance R28.
Described constant current infrared transmitter is then by constant-current circuit, and the infrared transmitter be connected with constant-current circuit forms.Described Constant Electric Current routing amplifier P4, field effect transistor MOS, triode VT2, N pole meets 20V voltage, the P pole then voltage stabilizing diode D4 of ground connection after resistance R15, the resistance R16 that one end is connected with the source electrode of field effect transistor MOS, the other end is then connected with infrared transmitter, and one end is connected with the emitter of triode VT2, the resistance R17 of other end ground connection forms, the described positive pole of amplifier P4 is connected with the drain electrode of field effect transistor MOS, its negative pole is then connected with the P pole of voltage stabilizing diode D4, its output terminal is then connected with the grid of field effect transistor MOS, the described base stage of triode VT2 is connected with the source electrode of field effect transistor MOS, its collector is then connected with infrared transmitter, described infrared transmitter is by process chip U1, triode VT3, triode VT4, positive pole is connected with the collector of triode VT2 after resistance R19 through resistance R18 in turn, the electric capacity C6 that negative pole is then connected with the GND pin of process chip U1, one end is connected with the OUT pin of process chip U1, the resistance R20 that the other end is then connected with the base stage of triode VT3, positive pole is connected with the CONT pin of process chip U1, the electric capacity C7 that negative pole is then connected with the GND pin of process chip U1, be serially connected in the resistance R21 between the emitter of triode VT4 and the negative pole of electric capacity C7, and the infrarede emitting diode D5 be serially connected between the collector of triode VT3 and the collector of triode VT4 forms, the DIS pin of described process chip U1 is connected with the tie point of resistance R19 with resistance R18, its VCC pin is then all connected with the collector of triode VT2 with RE pin, and its THRE pin is then all connected with the source electrode of field effect transistor MOS with TRIG pin after resistance R16, the collector of described triode VT3 is connected with the VCC pin of process chip U1, ground connection while its emitter is then connected with the base stage of triode VT4, the base stage of described triode VT4 is then also connected with the negative pole of electric capacity C7.
Described speed perception module then by processor, the A/D modular converter, memory module, the execution module that are connected with processor, and the speed pickup be connected with A/D modular converter forms.
Described A/D modular converter is then by constant-current source circuit, and the change-over circuit be connected with constant-current source circuit forms, described constant-current source circuit is then by amplifier P1, triode VT1, thyristor D1, one end is connected with the positive pole of amplifier P1, the other end then meets the resistance R1 of 36V voltage, be serially connected in the potentiometer R2 between the positive pole of amplifier P1 and the P pole of thyristor D1, be serially connected in the electric capacity C1 between the output terminal of amplifier P1 and negative pole, be serially connected in the resistance R4 between the negative pole of amplifier P1 and the emitter of triode VT1, be serially connected in the resistance R3 between the output terminal of amplifier P1 and the base stage of triode VT1, and the electric capacity C2 be serially connected between the base stage of triode VT1 and emitter forms, the N pole of described thyristor D1 is connected with the positive pole of amplifier P1, its P pole ground connection, it controls pole and be then connected with the control end of potentiometer R2, grounded collector, its emitter of described triode VT1 are then connected with change-over circuit.
Described change-over circuit is by conversion chip U, amplifier P2, amplifier P3, one end is connected with the positive pole of amplifier P2, the other end then forms the resistance R5 of the input end of this A/D modular converter together with the negative pole of amplifier P2, be serially connected in the voltage stabilizing diode D2 between the positive pole of amplifier P2 and negative pole, one end is connected with the negative pole of amplifier P2, the resistance R6 of other end ground connection, be serially connected in the resistance R7 between the positive pole of amplifier P2 and output terminal and electric capacity C3, one end is connected with the output terminal of amplifier P2, the resistance R8 that the other end is then connected with the negative pole of amplifier P3 after resistance R9, one end is connected with the output terminal of amplifier P2, the resistance R11 that the other end is then connected with the GND pin of conversion chip U after electric capacity C4, N pole is connected with the GND pin of conversion chip U after resistance R10, the diode D3 of P pole ground connection, one end is connected with the REC pin of conversion chip U, the resistance R12 of other end ground connection, one end is connected with the R.C pin of conversion chip U, the resistance R14 of ground connection while the other end is then connected with the TH pin of conversion chip U after resistance R13, and positive pole is connected with the R.C pin of conversion chip U, the electric capacity C5 of minus earth forms, the positive pole of described amplifier P3 is connected with the CO pin of conversion chip U, its output terminal is then connected with the N pole of diode D3, the output terminal that the VCC pin of described conversion chip U is connected with the emitter of triode VT1, its FO pin and COM pin one form this A/D modular converter.
In order to better implement the present invention, described processor is preferably S3C2440 processor, and described conversion chip U then preferentially selects LM331 integrated chip, and described process chip U1 is then preferably NE555 integrated chip and realizes.
The present invention comparatively prior art compares, and has the following advantages and beneficial effect:
(1) the present invention can remind driver's front signal lamp situation, solves the safe driving problem of by mistake making a dash across the red light because driver tired driving or distraction cause.
(2) the present invention is accurate to the condition adjudgement of signal lamp, avoids false judgment and driver brings potential safety hazard.
(3) the present invention adopts the position of infrared distance measurement technology to vehicle to measure, and its measuring accuracy is high, is swift in response, and there will not be the existing picture of survey or test leakage by mistake.
(4) the present invention is processed the infrared signal that vehicle reflects by shaping circuit, reduces the existing picture of the distortion of infrared signal in transmitting procedure thus, thus improves the precision that the present invention judges vehicle location.
Accompanying drawing explanation
Fig. 1 is one-piece construction block diagram of the present invention.
Fig. 2 is speed perception modular structure block diagram of the present invention.
Fig. 3 is the circuit structure diagram of A/D modular converter of the present invention.
Fig. 4 is the structural drawing of locating module of the present invention.
Fig. 5 is the structural drawing of constant current infrared transmitter of the present invention.
Fig. 6 is the structural drawing of shaping circuit of the present invention.
Embodiment
Below in conjunction with embodiment, the present invention is described in further detail, but embodiments of the present invention are not limited to this.
Embodiment
As shown in Figure 1, the infrared locate mode signal lamp pattern-recognition system for prompting based on shaping circuit of the present invention, by power module, the prompting module be connected with power module, middle control module and camera form; Described prompting module and camera are all connected with middle control module.
Wherein, power module is used for providing working power to prompting module, middle control module and camera.Camera for gathering front side video image, and by described transmission of video images to middle control module.This prompting module, for according to the prompting instruction received or message, sends corresponding prompt tone.Middle control module is the control center of whole system, and it is by locating module, and the pattern recognition module be connected with locating module and the speed perception module be connected with pattern recognition module form.
This locating module is used for the track that positioned vehicle travels, and vehicle is apart from the distance at crossing; When the distance at vehicle distance crossing is less than default distance threshold, namely once discovery vehicle close to intersection, it starts camera and pattern recognition module.
The structure of this locating module as shown in Figure 4, it is by constant current infrared transmitter, infrared radiation receiving circuit, the shaping circuit be connected with infrared radiation receiving circuit, the single-chip microcomputer be connected with shaping circuit, and the distance threshold memory module be connected with single-chip microcomputer and trigger module form.
This constant current infrared transmitter is used for continuous print and launches infrared signal, when vehicle traveling is come, this infrared ray is then reflected by vehicle, the infrared signal be reflected back then is received by infrared radiation receiving circuit, and be transferred to shaping circuit and process, the existing picture of distortion that this shaping circuit can avoid infrared signal to occur in the process of transmission.This single-chip microcomputer is as the control center of locating module, it carries out analyzing and processing to the infrared signal be reflected back, and calculate the actual range at vehicle distances crossing, the distance threshold preset in the actual range at vehicle distances crossing and distance threshold memory module is compared simultaneously, when the real-time distance threshold of vehicle is less than default distance threshold, single-chip microcomputer then can start trigger module, starts camera and pattern recognition module by trigger module.
As shown in Figure 5, it is by constant-current circuit for the structure of described constant current infrared transmitter, and the infrared transmitter be connected with constant-current circuit forms.Described Constant Electric Current routing amplifier P4, field effect transistor MOS, triode VT2, voltage stabilizing diode D4, resistance R15, resistance R16 and resistance R17 form.
During connection, the N pole of voltage stabilizing diode D4 connects 20V voltage, its P pole then ground connection after resistance R15, one end of resistance R16 is connected with the source electrode of field effect transistor MOS, its other end is then connected with infrared transmitter, and one end of resistance R17 is connected with the emitter of triode VT2, its other end ground connection.The described positive pole of amplifier P4 is connected with the drain electrode of field effect transistor MOS, its negative pole is then connected with the P pole of voltage stabilizing diode D4, its output terminal is then connected with the grid of field effect transistor MOS.The described base stage of triode VT2 is connected with the source electrode of field effect transistor MOS, its collector is then connected with infrared transmitter.The electric current exported by constant-current circuit is constant, and it is as the working current of this infrared transmitter.
Described infrared transmitter is by process chip U1, and triode VT3, triode VT4, resistance R19, resistance R18, electric capacity C6, resistance R20, electric capacity C7, resistance R21 and infrarede emitting diode D5 form.
Wherein, resistance R19, resistance R18, electric capacity C6 and process chip U1 form a pulse square wave-generator together.Its concrete structure is, the positive pole of electric capacity C6 is connected with the collector of triode VT2 after resistance R19 through resistance R18 in turn, its negative pole is then connected with the GND pin of process chip U1.
The pulse square wave signal that this pulse square wave-generator exports adds to the base stage of triode VT3 after resistance R20, therefore, one end of resistance R20 is connected with the OUT pin of process chip U1, its other end is then connected with the base stage of triode VT3, the positive pole of electric capacity C7 is connected with the CONT pin of process chip U1, its negative pole is then connected with the GND pin of process chip U1, resistance R21 is then serially connected between the emitter of triode VT4 and the negative pole of electric capacity C7, and infrarede emitting diode D5 is serially connected between the collector of triode VT3 and the collector of triode VT4.
The DIS pin of described process chip U1 is connected with the tie point of resistance R19 with resistance R18, its VCC pin is then all connected with the collector of triode VT2 with RE pin, and its THRE pin is then all connected with the source electrode of field effect transistor MOS with TRIG pin after resistance R16.The collector of described triode VT3 is connected with the VCC pin of process chip U1, ground connection while its emitter is then connected with the base stage of triode VT4.The base stage of described triode VT4 is then also connected with the negative pole of electric capacity C7.When after this pulse square wave signal trigger triode VT3 and triode VT4 conducting, infrarede emitting diode D5 obtains electric work, because its working current is steady state value, so this infrarede emitting diode D5 can send infrared signal by continuous print.In order to better implement the present invention, this process chip U1 is preferably NE555 integrated chip.
In order to better process infrared signal, as shown in Figure 6, it is by triode VT5, triode VT6 for the structure of this shaping circuit, reverser A1, reverser A2, resistance R22, resistance R23, resistance R24, resistance R25, resistance R26, resistance R27, resistance R28, resistance R29, resistance R30, electric capacity C8, electric capacity C9, electric capacity C10, electric capacity C11 and diode D6 form.
Wherein, one end of resistance R22 is connected with the base stage of triode VT5, its other end is then connected with the collector of triode VT6 after resistance R28, and resistance R24 and one end of resistance R26 are all connected with the tie point of resistance R28 with resistance R22, and the other end of resistance R24 is then connected with the collector of triode VT5, the other end then ground connection after resistance R27 of resistance R26.Electric capacity C9 is then serially connected between the collector of triode VT5 and the base stage of triode VT6.
The N pole of diode D6 is connected with the base stage of triode VT5 after electric capacity C8, its P pole is then connected with the emitter of triode VT5 after resistance R25; Meanwhile, the N pole of this diode D6 also forms the input end of this shaping circuit together with the tie point of resistance R28 with resistance R22.Then clamped amplitude limit is carried out through diode D6 after signal input is come in.
In addition, one end of resistance R23 is connected with the base stage of triode VT5, its other end is then connected with the P pole of diode D6, electric capacity C10 is then in parallel with resistance R25, one end of resistance R29 is connected with the emitter of triode VT6, its other end is then connected with the P pole of diode D6, electric capacity C11 and resistance R29 is in parallel, and one end of resistance R30 is connected with the backward end of reverser A1, its other end is then connected with the P pole of diode D6.
The base stage of described triode VT6 is connected with the tie point of resistance R27 with resistance R26, and its collector is then connected with the forward end of reverser A1.The forward end of described reverser A2 is then connected with the backward end of reverser A1, and its backward end then forms the output terminal of this shaping circuit together with the P pole of diode D6.
This triode VT5 and triode VT6 then forms a common emitter amplifier, and reverser A1 and reverser A2 then forms a Schmidt trigger, and signal is input to Schmidt trigger again and carries out Shape correction after common emitter amplifier amplifies.
This pattern recognition module for analyzing the video image storing collected by camera and arrive, and extracts the real-time information of signal lamp; If the signal lamp that vehicle heading is corresponding is red light or amber light, then trigger speed perception module, this speed perception module then judges the real-time speed of vehicle; If the signal lamp that vehicle heading is corresponding is green light, then send transitable message to prompting module, then externally send can pass phrase tone signal for prompting module.
As shown in Figure 2, described speed perception module then by processor, the A/D modular converter, memory module, the execution module that are connected with processor, and the speed pickup be connected with A/D modular converter forms.
This speed pickup is used for the real-time speed signal of collection vehicle, and its K-LC6 type radar sensor preferentially adopting Yu Da Science and Technology Ltd. of Shenzhen one hundred to produce, the radar sensor of this model has very high sensitivity.The vehicle velocity signal of A/D modular converter then for speed pickup is collected is converted to the digital electric signal that system can identify, and flows to processor.Processor is then the control center of this speed perception module, it is for carrying out analyzing and processing to vehicle speed information, and vehicle speed information and the speed of a motor vehicle dynamic threshold be preset in memory module are compared, as vehicle real-time speed exceedes default speed of a motor vehicle dynamic threshold, it then triggers execution module, triggers prompting module report to the police by execution module; In order to reach better implementation result, the S3C2440 processor that this processor preferentially adopts Samsung of Korea S to produce, the features such as its dominant frequency processing speed reaches 400MHz, has low-power consumption, process computing power at a high speed.
In order to improve slewing rate, as shown in Figure 3, it is by constant-current source circuit for the structure of this A/D modular converter, and the change-over circuit be connected with constant-current source circuit forms.Wherein, constant-current source circuit comprises amplifier P1, triode VT1, thyristor D1, resistance R1, potentiometer R2, resistance R3, resistance R4, electric capacity C1 and electric capacity C2.
During connection, one end of resistance R1 is connected with the positive pole of amplifier P1, its other end then connects 36V voltage, potentiometer R2 is then serially connected between the positive pole of amplifier P1 and the P pole of thyristor D1, between the output terminal that electric capacity C1 is serially connected in amplifier P1 and negative pole, resistance R4 is serially connected between the negative pole of amplifier P1 and the emitter of triode VT1, resistance R3 is serially connected between the output terminal of amplifier P1 and the base stage of triode VT1, between the base stage that electric capacity C2 is then serially connected in triode VT1 and emitter.
Meanwhile, the N pole of described thyristor D1 is connected with the positive pole of amplifier P1, its P pole ground connection, it controls pole and be then connected with the control end of potentiometer R2.Grounded collector, its emitter of described triode VT1 are then connected with change-over circuit.
Power supply, after resistance R1 carries, can use the arbitrary value of the output voltage control of thyristor D1 between 20 ~ 36V by regulator potentiometer R2.This output voltage is as the startup power supply of this triode VT1, at this moment triode VT1 conducting after amplifier P1, and the current value that it exports is constant, guarantees the continuity of signal conversion.In order to ensure implementation result, this amplifier P1 preferential collection LM358 type operational amplifier.
From triode VT1 export electric current then as the working current of this change-over circuit, this change-over circuit is then by conversion chip U, amplifier P2, amplifier P3, the resistance R5 that one end is connected with the positive pole of amplifier P2, the other end then forms the input end of this A/D modular converter together with the negative pole of amplifier P2, this input end is then connected with the output terminal of speed pickup.Be serially connected in the voltage stabilizing diode D2 between the positive pole of amplifier P2 and negative pole, one end is connected with the negative pole of amplifier P2, the resistance R6 of other end ground connection, be serially connected in the resistance R7 between the positive pole of amplifier P2 and output terminal and electric capacity C3, one end is connected with the output terminal of amplifier P2, the resistance R8 that the other end is then connected with the negative pole of amplifier P3 after resistance R9, one end is connected with the output terminal of amplifier P2, the resistance R11 that the other end is then connected with the GND pin of conversion chip U after electric capacity C4, N pole is connected with the GND pin of conversion chip U after resistance R10, the diode D3 of P pole ground connection, one end is connected with the REC pin of conversion chip U, the resistance R12 of other end ground connection, one end is connected with the R.C pin of conversion chip U, the resistance R14 of ground connection while the other end is then connected with the TH pin of conversion chip U after resistance R13, and positive pole is connected with the R.C pin of conversion chip U, the electric capacity C5 of minus earth forms.
The positive pole of described amplifier P3 is connected with the CO pin of conversion chip U, its output terminal is then connected with the N pole of diode D3.The output terminal that the VCC pin of described conversion chip U is connected with the emitter of triode VT1, its FO pin and COM pin one form this A/D modular converter, this output terminal is then connected with processor.Wherein, this amplifier P2, amplifier P3, electric capacity C3, electric capacity C4, resistance R7, resistance R11, resistance R8 and resistance R9 then form a sign-changing amplifier, and it carries out distortionless amplification to signal, thus improve conversion efficiency and the conversion accuracy of conversion chip U.In order to reach better implementation result, described conversion chip U is preferably LM331 integrated chip to realize.
As mentioned above, just well the present invention can be implemented.
Claims (7)
1., based on the infrared locate mode signal lamp pattern-recognition system for prompting of shaping circuit, by power module, the prompting module be connected with power module, middle control module and camera form, described prompting module and camera are all connected with middle control module, described middle control module is then by locating module, and the pattern recognition module be connected with locating module and the speed perception module be connected with pattern recognition module form, it is characterized in that, described locating module by constant current infrared transmitter, infrared radiation receiving circuit, the shaping circuit be connected with infrared radiation receiving circuit, the single-chip microcomputer be connected with shaping circuit, and the distance threshold memory module be connected with single-chip microcomputer and trigger module form, described shaping circuit is by triode VT5, triode VT6, reverser A1, reverser A2, one end is connected with the base stage of triode VT5, the resistance R22 that the other end is then connected with the collector of triode VT6 after resistance R28, one end is connected with the collector of triode VT5, the resistance R24 that the other end is then connected with the tie point of resistance R28 with resistance R22, one end is connected with the tie point of resistance R28 with resistance R22, the other end is the resistance R26 of ground connection after resistance R27 then, be serially connected in the electric capacity C9 between the collector of triode VT5 and the base stage of triode VT6, N pole is connected with the base stage of triode VT5 after electric capacity C8, the diode D6 that P pole is then connected with the emitter of triode VT5 after resistance R25, one end is connected with the base stage of triode VT5, the resistance R23 that the other end is then connected with the P pole of diode D6, the electric capacity C10 be in parallel with resistance R25, one end is connected with the emitter of triode VT6, the resistance R29 that the other end is then connected with the P pole of diode D6, the electric capacity C11 be in parallel with resistance R29, and one end is connected with the backward end of reverser A1, the resistance R30 that the other end is then connected with the P pole of diode D6 forms, the base stage of described triode VT6 is connected with the tie point of resistance R27 with resistance R26, and its collector is then connected with the forward end of reverser A1, the forward end of described reverser A2 is then connected with the backward end of reverser A1, and its backward end then forms the output terminal of this shaping circuit together with the P pole of diode D6, N pole and the resistance R22 of described diode D6 form the input end of this shaping circuit together with the tie point of resistance R28.
2. the infrared locate mode signal lamp pattern-recognition system for prompting based on shaping circuit according to claim 1, is characterized in that: described constant current infrared transmitter is then by constant-current circuit, and the infrared transmitter be connected with constant-current circuit forms, described Constant Electric Current routing amplifier P4, field effect transistor MOS, triode VT2, N pole meets 20V voltage, the P pole then voltage stabilizing diode D4 of ground connection after resistance R15, the resistance R16 that one end is connected with the source electrode of field effect transistor MOS, the other end is then connected with infrared transmitter, and one end is connected with the emitter of triode VT2, the resistance R17 of other end ground connection forms, the described positive pole of amplifier P4 is connected with the drain electrode of field effect transistor MOS, its negative pole is then connected with the P pole of voltage stabilizing diode D4, its output terminal is then connected with the grid of field effect transistor MOS, the described base stage of triode VT2 is connected with the source electrode of field effect transistor MOS, its collector is then connected with infrared transmitter, described infrared transmitter is by process chip U1, triode VT3, triode VT4, positive pole is connected with the collector of triode VT2 after resistance R19 through resistance R18 in turn, the electric capacity C6 that negative pole is then connected with the GND pin of process chip U1, one end is connected with the OUT pin of process chip U1, the resistance R20 that the other end is then connected with the base stage of triode VT3, positive pole is connected with the CONT pin of process chip U1, the electric capacity C7 that negative pole is then connected with the GND pin of process chip U1, be serially connected in the resistance R21 between the emitter of triode VT4 and the negative pole of electric capacity C7, and the infrarede emitting diode D5 be serially connected between the collector of triode VT3 and the collector of triode VT4 forms, the DIS pin of described process chip U1 is connected with the tie point of resistance R19 with resistance R18, its VCC pin is then all connected with the collector of triode VT2 with RE pin, and its THRE pin is then all connected with the source electrode of field effect transistor MOS with TRIG pin after resistance R16, the collector of described triode VT3 is connected with the VCC pin of process chip U1, ground connection while its emitter is then connected with the base stage of triode VT4, the base stage of described triode VT4 is then also connected with the negative pole of electric capacity C7.
3. the infrared locate mode signal lamp pattern-recognition system for prompting based on shaping circuit according to claim 2, it is characterized in that: described speed perception module is then by processor, the A/D modular converter, memory module, the execution module that are connected with processor, and the speed pickup be connected with A/D modular converter forms, described A/D modular converter is then by constant-current source circuit, and the change-over circuit be connected with constant-current source circuit forms, described constant-current source circuit is then by amplifier P1, triode VT1, thyristor D1, one end is connected with the positive pole of amplifier P1, the other end then meets the resistance R1 of 36V voltage, be serially connected in the potentiometer R2 between the positive pole of amplifier P1 and the P pole of thyristor D1, be serially connected in the electric capacity C1 between the output terminal of amplifier P1 and negative pole, be serially connected in the resistance R4 between the negative pole of amplifier P1 and the emitter of triode VT1, be serially connected in the resistance R3 between the output terminal of amplifier P1 and the base stage of triode VT1, and the electric capacity C2 be serially connected between the base stage of triode VT1 and emitter forms, the N pole of described thyristor D1 is connected with the positive pole of amplifier P1, its P pole ground connection, it controls pole and be then connected with the control end of potentiometer R2, grounded collector, its emitter of described triode VT1 are then connected with change-over circuit.
4. the infrared locate mode signal lamp pattern-recognition system for prompting based on shaping circuit according to claim 3, it is characterized in that: described change-over circuit is by conversion chip U, amplifier P2, amplifier P3, one end is connected with the positive pole of amplifier P2, the other end then forms the resistance R5 of the input end of this A/D modular converter together with the negative pole of amplifier P2, be serially connected in the voltage stabilizing diode D2 between the positive pole of amplifier P2 and negative pole, one end is connected with the negative pole of amplifier P2, the resistance R6 of other end ground connection, be serially connected in the resistance R7 between the positive pole of amplifier P2 and output terminal and electric capacity C3, one end is connected with the output terminal of amplifier P2, the resistance R8 that the other end is then connected with the negative pole of amplifier P3 after resistance R9, one end is connected with the output terminal of amplifier P2, the resistance R11 that the other end is then connected with the GND pin of conversion chip U after electric capacity C4, N pole is connected with the GND pin of conversion chip U after resistance R10, the diode D3 of P pole ground connection, one end is connected with the REC pin of conversion chip U, the resistance R12 of other end ground connection, one end is connected with the R.C pin of conversion chip U, the resistance R14 of ground connection while the other end is then connected with the TH pin of conversion chip U after resistance R13, and positive pole is connected with the R.C pin of conversion chip U, the electric capacity C5 of minus earth forms, the positive pole of described amplifier P3 is connected with the CO pin of conversion chip U, its output terminal is then connected with the N pole of diode D3, the output terminal that the VCC pin of described conversion chip U is connected with the emitter of triode VT1, its FO pin and COM pin one form this A/D modular converter.
5. the infrared locate mode signal lamp pattern-recognition system for prompting based on shaping circuit according to claim 4, is characterized in that: described processor is S3C2440 processor.
6. the infrared locate mode signal lamp pattern-recognition system for prompting based on shaping circuit according to claim 4, is characterized in that: described conversion chip U is LM331 integrated chip.
7. the infrared locate mode signal lamp pattern-recognition system for prompting based on shaping circuit according to claim 4, is characterized in that: described process chip U1 is NE555 integrated chip.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108230738A (en) * | 2018-01-31 | 2018-06-29 | 四川驿停车智慧科技有限公司 | Stop induction system for a kind of staggered form parking stall |
| CN108230753A (en) * | 2018-01-31 | 2018-06-29 | 四川驿停车智慧科技有限公司 | A kind of stopping guide system |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0422308A1 (en) * | 1988-07-28 | 1991-04-17 | Sectronic S.A. | Traffic aid by coded marking |
| CN1353404A (en) * | 2000-11-07 | 2002-06-12 | 肖明 | Intelligent traffic lamp system |
| CN1384473A (en) * | 2001-04-30 | 2002-12-11 | 宋现力 | Interval signal early warning system for expressway |
| US20130033601A1 (en) * | 2011-08-02 | 2013-02-07 | Yongsung Kim | Terminal and method for outputting signal information of a signal light in the terminal |
| CN103337186A (en) * | 2013-06-08 | 2013-10-02 | 华中科技大学 | Road junction driving auxiliary device for motor vehicle |
| CN103559800A (en) * | 2013-09-27 | 2014-02-05 | 吉安市永安交通设施有限公司 | Communication type traffic signal red light detector |
| CN103985267A (en) * | 2014-06-06 | 2014-08-13 | 郝明学 | System and method for synchronously displaying traffic signal lamp state of front intersection |
-
2015
- 2015-09-02 CN CN201510556642.4A patent/CN105118319B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0422308A1 (en) * | 1988-07-28 | 1991-04-17 | Sectronic S.A. | Traffic aid by coded marking |
| CN1353404A (en) * | 2000-11-07 | 2002-06-12 | 肖明 | Intelligent traffic lamp system |
| CN1384473A (en) * | 2001-04-30 | 2002-12-11 | 宋现力 | Interval signal early warning system for expressway |
| US20130033601A1 (en) * | 2011-08-02 | 2013-02-07 | Yongsung Kim | Terminal and method for outputting signal information of a signal light in the terminal |
| CN103337186A (en) * | 2013-06-08 | 2013-10-02 | 华中科技大学 | Road junction driving auxiliary device for motor vehicle |
| CN103559800A (en) * | 2013-09-27 | 2014-02-05 | 吉安市永安交通设施有限公司 | Communication type traffic signal red light detector |
| CN103985267A (en) * | 2014-06-06 | 2014-08-13 | 郝明学 | System and method for synchronously displaying traffic signal lamp state of front intersection |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108230738A (en) * | 2018-01-31 | 2018-06-29 | 四川驿停车智慧科技有限公司 | Stop induction system for a kind of staggered form parking stall |
| CN108230753A (en) * | 2018-01-31 | 2018-06-29 | 四川驿停车智慧科技有限公司 | A kind of stopping guide system |
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|---|---|
| CN105118319B (en) | 2017-04-26 |
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