CN105118319B - 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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- CN105118319B CN105118319B CN201510556642.4A CN201510556642A CN105118319B CN 105118319 B CN105118319 B CN 105118319B CN 201510556642 A CN201510556642 A CN 201510556642A CN 105118319 B CN105118319 B CN 105118319B
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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 PRS, specifically refers to based on the infrared positioning formula signal lighties mould of shaping circuit
Formula recognizes system for prompting.
Background technology
Now with economic sustainable development, automobile quantity is sharply increased, urban road day by day congestion, in order to ensure traffic
Order and pedestrains safety, typically there is one group of red, yellow, and green traffic light on every road, are turned by the state of signal lighties
Change, command various vehicles and pedestrains safety current, realize the automatization of traffic administration.
All it is at present to use cab signal lamp prompt system or pacify in signal lamp control system to prevent making a dash across the red light by mistake
Dress sender unit, installs in the car signal receiving device, so as to reach the purpose of marker lamp.But cab signal lamp
Prompt system is easily subject to extraneous color interference, and can only simply be programmed, will for the complicated such technology of function
There is significant limitation, lack preferable autgmentability.And the side by control system directly by the current state of signal lighties to broadcast
Formula sends to certain limit the signal receiving device of all vehicles, it is possible to obtaining the current shape of signal lighties like clockwork
State.But due to needing that signal output apparatus are installed at each traffic light, the method is relatively costly, is not appropriate for current
The situation of means of transportation.Therefore it provides one kind can remind driver, it is to avoid the system for prompting that it makes a dash across the red light is then current working as
Business is anxious.
The content of the invention
It is an object of the invention to overcome the defect that driver makes a dash across the red light by mistake, there is provided a kind of based on the infrared fixed of shaping circuit
Position formula signal lighties pattern recognition system for prompting.
The purpose of the present invention is achieved through the following technical solutions：Infrared positioning formula signal lighties pattern based on shaping circuit
Identification system for prompting, by power module, the prompting module being connected with power module, middle control module and camera composition；It is described
Prompting module and camera are connected with middle control module.
Further, the middle control module is then by locating module, the pattern recognition module being connected with locating module and
The speed perception module composition being connected with pattern recognition module.The locating module is infrared by constant current infrared transmitter
Line receiving circuit, the shaping circuit being connected with infrared radiation receiving circuit, the single-chip microcomputer being connected with shaping circuit, and with list
Distance threshold memory module and trigger module composition that piece machine is connected.
, by audion VT5, audion VT6, reverser A1, reverser A2, one end is with audion VT5's for the shaping circuit
The resistance R22 that base stage is connected, the other end is then connected Jing after resistance R28 with the colelctor electrode of audion VT6, one end and audion
The resistance R24 that the colelctor electrode of VT5 is connected, the other end is then connected with the junction point of resistance R22 and resistance R28, one end and electricity
Resistance R22 is connected with the junction point of resistance R28, the resistance R26 that the other end is then grounded Jing after resistance R27, is serially connected in audion VT5
Colelctor electrode and the base stage of audion VT6 between electric capacity C9, N poles are connected Jing after electric capacity C8 with the base stage of audion VT5, P
The diode D6 that pole is then connected Jing after resistance R25 with the emitter stage of audion VT5, one end is connected with the base stage of audion VT5
Connect, the resistance R23 that the other end is then connected with the P poles of diode D6, the electric capacity C10 being in parallel with resistance R25, one end and three poles
The emitter stage of pipe VT6 is connected, the resistance R29 that the other end is then connected with the P poles of diode D6, is in parallel with resistance R29
Electric capacity C11, and the resistance that one end is connected with the backward end of reverser A1, the other end is then connected with the P poles of diode D6
R30 is constituted；The base stage of the audion VT6 is connected with the junction point of resistance R26 and resistance R27, its colelctor electrode then with reversely
The forward end of device A1 is connected；The forward end of the reverser A2 is then connected with the backward end of reverser A1, and its backward end is then
The outfan of the shaping circuit is formed together with the P poles of diode D6；The N poles of the diode D6 and resistance R22 and resistance R28
Junction point form the input of the shaping circuit together.
The constant current infrared transmitter is then by constant-current circuit, the infrared transmitter group being connected with constant-current circuit
Into.Described Constant Electric Current routing amplifier P4, field effect transistor MOS, audion VT2, N poles meet 20V voltages, P poles then Jing resistance R15
The Zener diode D4 being grounded afterwards, one end is connected with the source electrode of field effect transistor MOS, the other end then with infrared transmitter phase
The resistance R16 of connection, and one end is connected with the emitter stage of audion VT2, the resistance R17 of other end ground connection is constituted；It is described
The 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 poles of Zener diode D4, it
Outfan is then connected with the grid of field effect transistor MOS；The base stage of audion VT2 is connected with the source electrode of field effect transistor MOS
Connect, its colelctor electrode is then connected with infrared transmitter；The infrared transmitter by process chip U1, audion VT3,
Audion VT4, positive pole is sequentially connected Jing after resistance R18 and resistance R19 with the colelctor electrode of audion VT2, negative pole then with process
The electric capacity C6 that the GND pins of chip U1 are connected, one end is connected with the OUT pins of process chip U1, the other end then with three poles
The resistance R20 that the base stage of pipe VT3 is connected, positive pole is connected with the CONT pins of process chip U1, negative pole then with process chip
The electric capacity C7 that the GND pins of U1 are connected, the resistance R21 being serially connected between the negative pole of the emitter stage of audion VT4 and electric capacity C7,
And be serially connected between the colelctor electrode of the colelctor electrode of audion VT3 and audion VT4 infrarede emitting diode D5 composition；It is described
The DIS pins of process chip U1 are connected with the junction point of resistance R18 and resistance R19, and its VCC pin and RE pins are then with three
The colelctor electrode of pole pipe VT2 is connected, its THRE pin and TRIG pins then it is equal Jing after resistance R16 with the source electrode of field effect transistor MOS
It is connected；The colelctor electrode of the audion VT3 is connected with the VCC pins of process chip U1, its emitter stage then with audion VT4
Base stage be grounded while be connected；The base stage of the audion VT4 is then also connected with the negative pole of electric capacity C7.
Described speed perception module the A/D modular converters being connected with processor, memory module, is held then by processor
Row module, and the velocity sensor composition being connected with A/D modular converters.
Described A/D modular converters are then by constant-current source circuit, the change-over circuit composition being connected with constant-current source circuit；It is described
Constant-current source circuit then by amplifier P1, audion VT1, IGCT D1, one end is connected with the positive pole of amplifier P1, the other end
The resistance R1 of 36V voltages is then met, the potentiometer R2 being serially connected between the positive pole of amplifier P1 and the P poles of IGCT D1 is serially connected in
Electric capacity C1 between the outfan and negative pole of amplifier P1, be serially connected in amplifier P1 negative pole and audion VT1 emitter stage it
Between resistance R4, the resistance R3 being serially connected between the base stage of the outfan of amplifier P1 and audion VT1, and be serially connected in three poles
Electric capacity C2 compositions between the base stage and emitter stage of pipe VT1；The N poles of the IGCT D1 are connected with the positive pole of amplifier P1,
Its P poles ground connection, its control pole are then connected with the control end of potentiometer R2；The grounded collector of the audion VT1, its transmitting
Pole is then connected with change-over circuit.
The change-over circuit 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 of the A/D modular converters together with the negative pole of amplifier P2, is serially connected in amplifier P2
Positive pole and negative pole between Zener diode D2, one end is connected with the negative pole of amplifier P2, the other end ground connection resistance R6,
The resistance R7 and electric capacity C3 being serially connected between the positive pole of amplifier P2 and outfan, one end is connected with the outfan of amplifier P2
Connect, the resistance R8 that the other end is then connected Jing after resistance R9 with the negative pole of amplifier P3, the outfan phase of one end and amplifier P2
The resistance R11 that connection, the other end are then connected Jing after electric capacity C4 with the GND pins of conversion chip U, N poles are Jing after resistance R10 and turn
The GND pins for changing chip U are connected, the diode D3 of P poles ground connection, and one end is connected with the REC pins of conversion chip U, another
End ground connection resistance R12, one end is connected with the R.C pins of conversion chip U, the other end then Jing after resistance R13 with conversion chip U
The resistance R14 that is grounded while be connected of TH pins, and positive pole be connected with the R.C pins of conversion chip U, minus earth
Electric capacity C5 composition；The positive pole of the amplifier P3 is connected with the CO pins of conversion chip U, its outfan then with diode D3
N poles be connected；The VCC pins of the conversion chip U are connected with the emitter stage of audion VT1, its FO pin and COM pins
One outfan for forming the A/D modular converters.
In order to preferably implement the present invention, described processor is preferably S3C2440 processors, described conversion chip U
LM331 integrated chips are then preferentially selected, and described process chip U1 is then preferably NE555 integrated chips to realize.
The present invention compared with the prior art, with advantages below and beneficial effect：
(1) present invention can remind driver's front signal light situation, solve due to driver tired driving or energy
The safe driving problem made a dash across the red light by mistake caused by dispersion.
(2) present invention it is accurate to the condition adjudgement of signal lighties, it is to avoid false judgment and driver brings potential safety hazard.
(3) present invention is measured using infrared distance measurement technology to the position of vehicle, and its certainty of measurement is high, is swift in response,
It is not in the existing picture of survey or test leakage by mistake.
(4) present invention is processed the infrared signal that vehicle is reflected by shaping circuit, thus red to reduce
The existing picture of distortion of the outside line signal in transmitting procedure, so as to improve the precision that the present invention is judged vehicle location.
Description of the drawings
Fig. 1 is the overall structure block diagram of the present invention.
Fig. 2 is the speed perception modular structure block diagram of the present invention.
Fig. 3 is the circuit structure diagram of A/D modular converters of the present invention.
Fig. 4 is the structure chart of locating module of the present invention.
Fig. 5 is the structure chart of constant current infrared transmitter of the present invention.
Fig. 6 is the structure chart of shaping circuit of the present invention.
Specific embodiment
The present invention is described in further detail with reference to embodiment, but embodiments of the present invention are not limited to
This.
Embodiment
As shown in figure 1, the infrared positioning formula signal lighties pattern recognition system for prompting based on shaping circuit of the present invention, by
Power module, the prompting module being connected with power module, middle control module and camera composition；The prompting module and camera are equal
It is connected with middle control module.
Wherein, power module is used to provide working power to prompting module, middle control module and camera.Camera is used to gather
Front side video image, and by the transmission of video images to middle control module.The prompting module is used for according to the prompting for receiving
Instruction or message, send corresponding prompt tone.Middle control module for whole system control centre, it is and fixed by locating module
The position module pattern recognition module being connected and the speed perception module composition being connected with pattern recognition module.
The locating module is used to position the track of vehicle traveling, and distance of the vehicle away from crossing；When vehicle is away from crossing
When distance is less than default distance threshold, i.e., when vehicle close intersection is found, it starts camera and pattern is known
Other module.
The structure of the locating module is as shown in figure 4, it is by constant current infrared transmitter, and infrared radiation receiving circuit is and red
The shaping circuit that outside line receiving circuit is connected, the single-chip microcomputer being connected with shaping circuit, and be connected with single-chip microcomputer away from
Constitute from threshold value memory module and trigger module.
The constant current infrared transmitter is used for continuous transmitting infrared signal, the infrared ray when vehicle runs over to be come
Then reflected by vehicle, the infrared signal being reflected back then is received by infrared radiation receiving circuit, and be transferred to shaping electricity
Road is processed, and the shaping circuit can avoid the existing picture of the distortion that infrared signal occurs during transmission.The monolithic
As the control centre of locating module, it is analyzed process to the infrared signal being reflected back to machine, and calculates vehicle
Apart from the actual range at crossing, while the actual range and default distance in distance threshold memory module at vehicle distances crossing
Threshold value is compared, and when the real-time range threshold value of vehicle is less than default distance threshold, single-chip microcomputer can then start trigger module,
Camera and pattern recognition module are started by trigger module.
The structure of the constant current infrared transmitter is as shown in figure 5, it is connected by constant-current circuit with constant-current circuit
Infrared transmitter is constituted.Described Constant Electric Current routing amplifier P4, field effect transistor MOS, audion VT2, Zener diode
D4, resistance R15, resistance R16 and resistance R17 are constituted.
During connection, the N poles of Zener diode D4 connect 20V voltages, its P pole and are then grounded Jing after resistance R15, and the one of resistance R16
End be connected with the source electrode of field effect transistor MOS, its other end is then connected with infrared transmitter, one end of resistance R17 and
The emitter stage of audion VT2 is connected, its other end ground connection.The positive pole of the amplifier P4 and the drain electrode phase of field effect transistor MOS
Connect, its negative pole is then connected with the P poles of Zener diode D4, its outfan is then connected with the grid of field effect transistor MOS.Institute
State that the base stage of audion VT2 is connected with the source electrode of field effect transistor MOS, its colelctor electrode is then connected with infrared transmitter.
The electric current exported by constant-current circuit is constant, its operating current as the infrared transmitter.
The infrared transmitter is by process chip U1, audion VT3, audion VT4, resistance R19, resistance R18, electricity
Hold C6, resistance R20, electric capacity C7, resistance R21 and infrarede emitting diode D5 composition.
Wherein, resistance R19, resistance R18, electric capacity C6 and process chip U1 form together a pulse square wave-generator.
Its concrete structure is, the positive pole of electric capacity C6 is sequentially connected Jing after resistance R18 and resistance R19 with the colelctor electrode of audion VT2, it
Negative pole is then connected with the GND pins of process chip U1.
The pulse square wave signal that the pulse square wave-generator is exported adds to the base stage of audion VT3 Jing after resistance R20, because
This, one end of resistance R20 is connected with the OUT pins of process chip U1, its other end is then connected with the base stage of audion VT3
Connect, and the positive pole of electric capacity C7 be connected with the CONT pins of process chip U1, its negative pole then with the GND pin phases of process chip U1
Connection, resistance R21 is then serially connected between the negative pole of the emitter stage of audion VT4 and electric capacity C7, infrarede emitting diode D5 concatenations
Between the colelctor electrode of audion VT3 and the colelctor electrode of audion VT4.
The DIS pins of process chip U1 are connected with the junction point of resistance R18 and resistance R19, its VCC pin and RE
Pin is then connected with the colelctor electrode of audion VT2, its THRE pin and TRIG pins then it is equal Jing after resistance R16 with field effect
The source electrode of pipe MOS is connected.The colelctor electrode of the audion VT3 is connected with the VCC pins of process chip U1, and its emitter stage is then
It is grounded while being connected with the base stage of audion VT4.The base stage of the audion VT4 is then also connected with the negative pole of electric capacity C7
Connect.After the pulse square wave signal trigger triode VT3 and audion VT4 is turned on, infrarede emitting diode D5 obtains electric work, because
Its operating current is steady state value, so infrarede emitting diode D5 can continuously send infrared signal.In order to preferably real
The present invention is applied, process chip U1 is preferably NE555 integrated chips.
In order to preferably process infrared signal, the structure of the shaping circuit is as shown in fig. 6, it is by audion
VT5, audion VT6, 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 are constituted.
Wherein, one end of resistance R22 be connected with the base stage of audion VT5, its other end then Jing after resistance R28 with three poles
The colelctor electrode of pipe VT6 is connected, one end of resistance R24 and resistance R26 is connected with the junction point of resistance R22 and resistance R28,
And the other end of resistance R24 is then connected with the colelctor electrode of audion VT5, then Jing resistance R27 is followed by the other end of resistance R26
Ground.Electric capacity C9 is then serially connected between the base stage of the colelctor electrode of audion VT5 and audion VT6.
The N poles of diode D6 are connected Jing after electric capacity C8 with the base stage of audion VT5, its P pole is then Jing after resistance R25 with three
The emitter stage of pole pipe VT5 is connected；Meanwhile, the N poles of the diode D6 shape also together with the junction point of resistance R22 and resistance R28
Into the input of the shaping circuit.Then Jing diodes D6 carries out clamped amplitude limit after signal input is come in.
In addition, one end of resistance R23 be connected with the base stage of audion VT5, its other end then with the P poles phase of diode D6
Connection, electric capacity C10 is then in parallel with resistance R25, and one end of resistance R29 is connected with the emitter stage of audion VT6, its other end
Then it is connected with the P poles of diode D6, electric capacity C11 is in parallel with resistance R29, one end of resistance R30 is reverse with reverser A1
End is connected, its other end is then connected with the P poles of diode D6.
The base stage of the audion VT6 is connected with the junction point of resistance R26 and resistance R27, its colelctor electrode then with reversely
The forward end of device A1 is connected.The forward end of the reverser A2 is then connected with the backward end of reverser A1, and its backward end is then
The outfan of the shaping circuit is formed together with the P poles of diode D6.
Audion VT5 and audion VT6 then form a common emitter amplifier, and reverser A1 and reverser A2 then shape
Into a Schmidt trigger, signal is input to again Schmidt trigger and carries out Shape correction Jing after common emitter amplifier amplification.
The pattern recognition module is used for the video image that analysis storage collected by camera is arrived, and extracts the real-time letter of signal lighties
Breath；If the corresponding signal lighties of vehicle heading are red light or amber light, speed perception module, the speed perception module are triggered
Then the real-time speed of vehicle is judged；If the corresponding signal lighties of vehicle heading are green light, send to prompting module
Transitable message, then prompting module externally send the voice signal that can pass through.
As shown in Fig. 2 described speed perception module is then by processor, the A/D modular converters being connected with processor, deposit
Storage module, performing module, and the velocity sensor composition being connected with A/D modular converters.
The velocity sensor is used for the real-time speed signal of collection vehicle, and it is preferentially limited up to science and technology using the reputation of Shenzhen one hundred
The K-LC6 type radar sensors of company's production, the radar sensor of the model has very high sensitivity.A/D modular converters are then
Vehicle velocity signal for velocity sensor to be collected is converted to the digital electric signal that system can be recognized, and is conveyed to place
Reason device.Processor is then the control centre of the speed perception module, and it is used to be analyzed vehicle speed information process, and handle
Vehicle speed information is compared with the speed dynamic threshold being preset in memory module, and such as vehicle real-time speed exceedes default
Speed dynamic threshold, it then triggers performing module, is reported to the police by performing module triggering prompting module；In order to reach more preferable reality
Effect is applied, preferentially using the S3C2440 processors of Samsung of Korea production, its dominant frequency processing speed reaches the processor
400MHz, the features such as with low-power consumption, the process computing capability of high speed.
In order to improve conversion speed, the structure of the A/D modular converters as shown in figure 3, it is by constant-current source circuit, with constant-current source
The change-over circuit composition that circuit is connected.Wherein, constant-current source circuit includes amplifier P1, audion VT1, IGCT 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 voltages, potentiometer
R2 is then serially connected between the positive pole of amplifier P1 and the P poles of IGCT D1, and electric capacity C1 is serially connected in the outfan of amplifier P1 and bears
Between pole, resistance R4 is serially connected between the emitter stage of the negative pole of amplifier P1 and audion VT1, and resistance R3 is serially connected in amplifier P1
Outfan and the base stage of audion VT1 between, and electric capacity C2 is then serially connected between the base stage of audion VT1 and emitter stage.
Meanwhile, the N poles of the IGCT D1 are connected with the positive pole of amplifier P1, its P poles ground connection, its control pole then with electricity
The control end of position device R2 is connected.The grounded collector of the audion VT1, its emitter stage are then connected with change-over circuit.
Power supply can use the output voltage control of IGCT D1 Jing after resistance R1 conveyings are come in by regulator potentiometer R2
Arbitrary value between 20～36V.As the startup power supply of audion VT1 after the amplified device P1 of the output voltage, at this moment three
Pole pipe VT1 is turned on, and the current value that it is exported is constant, guarantees the seriality of signal conversion.In order to ensure reality
Effect is applied, amplifier P1 preferential collection LM358 type operational amplifiers.
Electric current from audion VT1 outputs is then as the operating current of the change-over circuit, and the change-over circuit is then by changing
Chip U, amplifier P2, amplifier P3, one end is connected with the positive pole of amplifier P2, the other end then with the negative pole one of amplifier P2
The resistance R5 of the input for forming the A/D modular converters is acted, the input is then connected with the outfan of velocity sensor.Concatenation
Zener diode D2 between the positive pole and negative pole of amplifier P2, one end is connected with the negative pole of amplifier P2, another termination
The resistance R6 on ground, the resistance R7 and electric capacity C3 being serially connected between the positive pole of amplifier P2 and outfan, one end is with amplifier P2's
The resistance R8 that outfan is connected, the other end is then connected Jing after resistance R9 with the negative pole of amplifier P3, one end and amplifier P2
Outfan be connected, the resistance R11 that the other end is then connected Jing after electric capacity C4 with the GND pins of conversion chip U, N poles Jing is electric
Be connected with the GND pins of conversion chip U after resistance R10, the diode D3 of P poles ground connection, the REC pins of one end and conversion chip U
Be connected, the resistance R12 of other end ground connection, one end is connected with the R.C pins of conversion chip U, the other end is then Jing after resistance R13
The resistance R14 being grounded while being connected with the TH pins of conversion chip U, and positive pole is connected with the R.C pins of conversion chip U
Connect, the electric capacity C5 of minus earth is constituted.
The positive pole of the amplifier P3 is connected with the CO pins of conversion chip U, its outfan then with the N poles of diode D3
It is connected.The VCC pins of the conversion chip U are connected with the emitter stage of audion VT1, its FO pin and the shape of COM pins one
Into the outfan of the A/D modular converters, the outfan is then connected with processor.Wherein, amplifier P2, amplifier P3, electricity
Hold C3, electric capacity C4, resistance R7, resistance R11, resistance R8 and resistance R9 and then constitute a sign-changing amplifier, it is carried out to signal
Distortionless amplification, so as to improve the conversion efficiency and conversion accuracy of conversion chip U.In order to reach more preferable implementation result,
Described conversion chip U is preferably LM331 integrated chips to realize.
As described above, just can well implement the present invention.
Claims (6)
1. the infrared positioning formula signal lighties pattern recognition system for prompting of shaping circuit is based on, by power module, with power module
Prompting module, middle control module and the camera composition being connected；The prompting module and camera are connected with middle control module；Institute
Middle control module is stated then by locating module, the pattern recognition module being connected with locating module and is connected with pattern recognition module
Speed perception module composition；Characterized in that, the locating module is by constant current infrared transmitter, infrared receiver electricity
Road, the shaping circuit being connected with infrared radiation receiving circuit, the single-chip microcomputer being connected with shaping circuit, and be connected with single-chip microcomputer
The distance threshold memory module for connecing and trigger module are constituted；The shaping circuit is by audion VT5, audion VT6, reverser
A1, reverser A2, one end is connected with the base stage of audion VT5, the other end then Jing after resistance R28 with the current collection of audion VT6
The resistance R22 that pole is connected, one end is connected with the colelctor electrode of audion VT5, the other end is then with resistance R22's and resistance R28
The resistance R24 that junction point is connected, one end is connected with the junction point of resistance R22 and resistance R28, the other end then Jing resistance R27
The resistance R26 being grounded afterwards, the electric capacity C9 being serially connected between the base stage of the colelctor electrode of audion VT5 and audion VT6, N poles Jing is electric
Hold C8 after be connected with the base stage of audion VT5, two poles that P poles are then connected Jing after resistance R25 with the emitter stage of audion VT5
Pipe D6, one end is connected with the base stage of audion VT5, the resistance R23 that the other end is then connected with the P poles of diode D6, with electricity
The resistance electric capacity C10 that are in parallel of R25, one end is connected with the emitter stage of audion VT6, the other end then with the P poles phase of diode D6
The resistance R29 of connection, the electric capacity C11 being in parallel with resistance R29, and one end be connected with the backward end of reverser A1, it is another
The resistance R30 compositions that end is then connected with the P poles of diode D6；The base stage of the audion VT6 and resistance R26 and resistance R27
Junction point be connected, its colelctor electrode is then connected with the forward end of reverser A1；The forward end of the reverser A2 then with instead
Backward end to device A1 is connected, and its backward end then forms the outfan of the shaping circuit together with the P poles of diode D6；It is described
The N poles of diode D6 form the input of the shaping circuit together with the junction point of resistance R22 and resistance R28；
The constant current infrared transmitter is then by constant-current circuit, the infrared transmitter composition being connected with constant-current circuit；
Described Constant Electric Current routing amplifier P4, field effect transistor MOS, audion VT2, N poles connect 20V voltages, P poles then Jing after resistance R15
The Zener diode D4 of ground connection, one end is connected with the source electrode of field effect transistor MOS, the other end is then connected with infrared transmitter
The resistance R16 for connecing, and one end is connected with the emitter stage of audion VT2, the resistance R17 of other end ground connection is constituted；It is described to put
The positive pole of big device P4 is connected with the drain electrode of field effect transistor MOS, its negative pole is then connected with the P poles of Zener diode D4, its is defeated
Go out end to be then connected with the grid of field effect transistor MOS；The base stage of audion VT2 is connected with the source electrode of field effect transistor MOS,
Its colelctor electrode is then connected with infrared transmitter；The infrared transmitter by process chip U1, audion VT3, three
Pole pipe VT4, positive pole is sequentially connected Jing after resistance R18 and resistance R19 with the colelctor electrode of audion VT2, negative pole then with process core
The electric capacity C6 that the GND pins of piece U1 are connected, one end is connected with the OUT pins of process chip U1, the other end then with audion
The resistance R20 that the base stage of VT3 is connected, positive pole is connected with the CONT pins of process chip U1, negative pole then with process chip U1
GND pins the electric capacity C7, the resistance R21 being serially connected between the negative pole of the emitter stage of audion VT4 and electric capacity C7 that are connected, with
And be serially connected between the colelctor electrode of the colelctor electrode of audion VT3 and audion VT4 infrarede emitting diode D5 composition；The place
The DIS pins of reason chip U1 are connected with the junction point of resistance R18 and resistance R19, its VCC pin and RE pins then with three poles
The colelctor electrode of pipe VT2 is connected, its THRE pin and TRIG pins then it is equal Jing after resistance R16 with the source electrode phase of field effect transistor MOS
Connection；The colelctor electrode of the audion VT3 is connected with the VCC pins of process chip U1, and its emitter stage is then with audion VT4's
It is grounded while base stage is connected；The base stage of the audion VT4 is then also connected with the negative pole of electric capacity C7.
2. the infrared positioning formula signal lighties pattern recognition system for prompting based on shaping circuit according to claim 1, its
It is characterised by：Described speed perception module the A/D modular converters being connected with processor, memory module, is held then by processor
Row module, and the velocity sensor composition being connected with A/D modular converters；Described A/D modular converters are then by constant-current source electricity
Road, the change-over circuit composition being connected with constant-current source circuit；Described constant-current source circuit is brilliant then by amplifier P1, audion VT1
Brake tube D1, one end is connected with the positive pole of amplifier P1, the other end then meets the resistance R1 of 36V voltages, is serially connected in amplifier P1's
Potentiometer R2 between positive pole and the P poles of IGCT D1, the electric capacity C1 being serially connected between the outfan of amplifier P1 and negative pole, string
The resistance R4 being connected between the emitter stage of the negative pole of amplifier P1 and audion VT1, is serially connected in the outfan and three of amplifier P1
Resistance R3 between the base stage of pole pipe VT1, and it is serially connected in the compositions of the electric capacity C2 between the base stage of audion VT1 and emitter stage；
The N poles of the IGCT D1 are connected with the positive pole of amplifier P1, its P pole ground connection, its control pole then with the control of potentiometer R2
End is connected；The grounded collector of the audion VT1, its emitter stage are then connected with change-over circuit.
3. the infrared positioning formula signal lighties pattern recognition system for prompting based on shaping circuit according to claim 2, its
It is characterised by：The change-over circuit is connected by conversion chip U, amplifier P2, amplifier P3, one end with the positive pole of amplifier P2
Connect, the other end then formed together with the negative pole of amplifier P2 the A/D modular converters input resistance R5, be serially connected in amplifier
Zener diode D2 between the positive pole and negative pole of P2, one end is connected with the negative pole of amplifier P2, the resistance of other end ground connection
R6, the resistance R7 and electric capacity C3 being serially connected between the positive pole of amplifier P2 and outfan, the outfan phase of one end and amplifier P2
The outfan of the resistance R8 that connection, the other end are then connected Jing after resistance R9 with the negative pole of amplifier P3, one end and amplifier P2
Be connected, the resistance R11 that the other end is then connected Jing after electric capacity C4 with the GND pins of conversion chip U, N poles Jing after resistance R10 with
The GND pins of conversion chip U are connected, the diode D3 of P poles ground connection, and one end is connected with the REC pins of conversion chip U, separately
One end ground connection resistance R12, one end is connected with the R.C pins of conversion chip U, the other end then Jing after resistance R13 with change core
The resistance R14 that the TH pins of piece U are grounded while being connected, and positive pole be connected with the R.C pins of conversion chip U, negative pole
The electric capacity C5 compositions of ground connection；The positive pole of the amplifier P3 is connected with the CO pins of conversion chip U, its outfan then with two poles
The N poles of pipe D3 are connected；The VCC pins of the conversion chip U are connected with the emitter stage of audion VT1, its FO pin and COM
Pin one forms the outfan of the A/D modular converters.
4. the infrared positioning formula signal lighties pattern recognition system for prompting based on shaping circuit according to claim 3, its
It is characterised by：Described processor is S3C2440 processors.
5. the infrared positioning formula signal lighties pattern recognition system for prompting based on shaping circuit according to claim 3, its
It is characterised by：Described conversion chip U is LM331 integrated chips.
6. the infrared positioning formula signal lighties pattern recognition system for prompting based on shaping circuit according to claim 3, its
It is characterised by：Described process chip U1 is NE555 integrated chips.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510556642.4A CN105118319B (en) | 2015-09-02 | 2015-09-02 | Shaping-circuit-based mode identification prompting system for infrared positioning signal lamp |
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| CN201510556642.4A CN105118319B (en) | 2015-09-02 | 2015-09-02 | Shaping-circuit-based mode identification prompting system for infrared positioning signal lamp |
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| CN105118319B true CN105118319B (en) | 2017-04-26 |
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| 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 |
| 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 |
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| FR2634929B1 (en) * | 1988-07-28 | 1994-07-01 | Sectronic Sa | TRAFFIC ASSISTANCE DEVICE |
| CN1152352C (en) * | 2000-11-07 | 2004-06-02 | 肖明 | Intelligent traffic lamp system |
| CN1384473A (en) * | 2001-04-30 | 2002-12-11 | 宋现力 | Interval signal early warning system for expressway |
| KR101315218B1 (en) * | 2011-08-02 | 2013-10-08 | 엘지전자 주식회사 | Terminal and method for outputting signal information of a signal light in the terminal |
| CN103337186B (en) * | 2013-06-08 | 2015-08-26 | 华中科技大学 | A kind of crossing driving assist system 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 |
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