CN1053866C - Automatic prompting apparatus for motor vehicle safety driven - Google Patents
Automatic prompting apparatus for motor vehicle safety driven Download PDFInfo
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- CN1053866C CN1053866C CN98114145A CN98114145A CN1053866C CN 1053866 C CN1053866 C CN 1053866C CN 98114145 A CN98114145 A CN 98114145A CN 98114145 A CN98114145 A CN 98114145A CN 1053866 C CN1053866 C CN 1053866C
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Abstract
The present invention relates to a motor vehicle safe running automatic prompting machine which is used for large, middle and small motor vehicles and motorbikes, has a language signal transmission function taking radio techniques as a medium and prompts the driving safety of drivers. The present invention is characterized in that the present invention adopts coding techniques, utilizes infrared modulation emission demodulation and adopts infrared receiving and amplification, and the demodulation and the driving display of a microprocessor are realized through an emission circuit and a receiving circuit. When the distance of front vehicles and back vehicles is about equal to 25 meters, the present invention emits prompting signals to front vehicles, has a prompting voice or emits a simulated language and simultaneously emits light signal display. The present invention utilizes a visible light sensitive circuit to realize night prompts for avoiding traffic accidents.
Description
The present invention relates to a kind of large, medium and small type self-propelled vehicle and motor bike of being used for, by radiotechnics be media as a kind of speech signal transfer function, the automatic prompting apparatus for motor vehicle safety driven of prompting driver drives vehicle safety.
At present, there are headlight illumination, safety devices such as loud-speaker, left and right sides steering indicating light, stoplight stop lamp, fog lamp, backing-up lamp, left and right sides back mirror in the home and abroad at motor-driven bus equipment.Reach back mirror about the driver will watch every now and then under steam, observe the motoring condition of back and left and right sides vehicle.Because the continuous increase of city vehicle, forbid that the driver blows a whistle in the environment urban district etc. for administering, driver's spirit in motion is in tension always, and long-duration driving causes the tired driver sense, ignores safety easily, and traffic accident easily takes place.
The objective of the invention is to avoid taking place traffic accident, for self-propelled vehicle provides a kind of signalling apparatus-automatic prompting apparatus for motor vehicle safety driven for reducing driver spiritual anxiety and sense of fatigue in driving.
Automatic prompting apparatus for motor vehicle safety driven content Description of the present invention:
Automatic prompting apparatus for motor vehicle safety driven of the present invention is characterized in that: adopt coding techniques, utilize modulation of infrared rays emission demodulation, adopt infrared ray to receive and amplify, the microprocessor demodulation drives and shows, realizes by transmission circuit and acceptor circuit;
Transmission circuit: form by power supply stabilization circuit, encoding transmitting circuit, automatic control switch circuit, left and right sides signal control circuit, light-operated circuit;
Power supply stabilization circuit: the 12V vdc in the car is through crystal diode D
1, inductance coil L
1, capacitor C
1The pi type filter of forming is to chemical capacitor C
2, to three terminal integrated voltage stabilizer IC
1, again through resistance R
1Step-down, zener diode D
2Voltage stabilizing, chemical capacitor C
3Use for each power circuit of emission after the filtering;
Encoding transmitting circuit: be with IC P
1For core devices constitutes, be common pin with 10 pin, when being connected with 10 pin respectively, 6,7,8 pin produce different codings, by 15 pin output pulse signals, by resistance R P
1To aerotron VP
1Modulation is amplified the back and is exported through resistance R P by collecting electrode
2Current limliting drives infrared light emitting diode DP
3To external irradiation, the coded pulse signal after the modulation; IC P
110 pin output signals are through function relay switch JP
2, JP
3, JP
1-1Be input to 8,7,6 business concern operating a porters' service coding, crystal oscillator XP
1, capacitor C P
1, CP
2Constitute clock oscillation circuit;
Automatic control switch circuit: be by resistance R P
3, RP
4, RP
5, chemical capacitor CP
3, CP
4, crystal triode VP
2, VP
3Constitute multi-resonant oscillating circuit, resistance R P
3, RP
4With capacitor C P
3, crystal triode VP
2The impulse electricity loop control transistor VP that forms
3Conducting with end resistance R P
5, RP
6With chemical capacitor CP
1, crystal triode VP
3The impulse electricity loop control transistor VP that forms
2Conducting with end, make crystal triode VP
2, VP
3Collecting electrode carries out high active potential conversion generation regularly and is spaced apart 0.3 second on-off signal, through crystal triode VP
3Collecting electrode output to crystal triode VP
4Base stage, high potential collecting electrode turn-on relay JP
1Adhesive discharges during active potential, open contact JP
1-1With IC P
110 pin and interrupted connection of 6 pin send coded pulse;
Left and right sides signal control circuit; Relay J P
2Coils from parallel connection of coils is in left steering lamp RH, as left steering lamp RH, and relay J P when left steering lamp RH lights
2Get electric adhesive, connect IC P
110 pin and 8 pin send coded pulse signal; Relay IP
3Coils from parallel connection of coils is in right steering lamp LH, relay IP when right steering lamp LH lights
3Get electric adhesive, connect IC P
110 pin and 7 pin send coded pulse signal;
Light-operated circuit: gauge panel illuminating lamp H
1Be switched on light-operated circuit and get electric work, photoconductive cell RQ
1Not being subjected to light time resistance is high resistant, crystal triode VQ
1, VQ
2Be in and end, relay J Q
1Be in off-position, normally closed contact JQ
1-1The closed far lighting lamp H that connects
2, open contact JQ
1-2Disconnect lower beam illumination lamp H
3, photoconductive cell RQ
1When being subjected to the opposite light-illuminating, photoconductive cell RQ
1Become low-resistance by high resistant, crystal triode VQ
1, VQ
2Obtain the positively biased conducting, relay J Q
1Adhesive, normally closed contact JQ
1-1Contact open, country beam H
2Breath goes out, simultaneously open contact JQ
1-2Connect passing light H
3Light; Open contact JP
1-2Be parallel to normally closed contact JQ
1-1, resistance R Q
2Meet crystal triode VQ
1Collecting electrode transistor diode DQ
1Be associated with relay J Q
1The coil two ends;
Acceptor circuit rings cue circuit by power supply stabilization circuit, demodulator circuit and will and forms;
Power supply stabilization circuit: the 12V vdc in the car is through transistor diode D
2-1, inductance coil L
2-1, capacitor C
2-1Form pi type filter, chemical capacitor C
2-2Just very+12V outputs to three terminal integrated voltage stabilizer IC
2-1Obtain+the 5V burning voltage, through chemical capacitor C
2-3Filtering is for each power circuit;
Demodulator circuit: the infrared ray modulating coding signal that is sent by transmission circuit utilizes the photosensitive pipe DT of infrared ray
1Opto-electronic conversion is carried out in reception, is input to IC P
18 pin, 7 pin external capacitor CT
1, resistance R T
1Constitute series network, 6 pin external capacitor CT
2, 5 pin ground terminal GND, 4 pin connecting resistance RT
2, 3 pin are power output end, 1 pin is a power supply, by IC T
12 pin output to crystal triode VT
1Base stage is carried out paraphase and is amplified, and is exported through resistance R T by collecting electrode
3, RT
4Deliver to IC T
22 pin output pulse signals realize demodulation, chemical capacitor CT
4Be connected to IC T
2, 24 pin power supply source end filtering, resistance R T
5With capacitor C T
5And connect 23 pin and constitute internal oscillator circuit, chemical capacitor CT
6Connect 22 pin and carry out code detection filtering, 21 pin are ground terminal GND, and the signal after the demodulation is by the corresponding output of 5,7,8 pin, and 5 pin are exported high mean longitude resistance R T
6To crystal triode VT
2Base drive amplify turn-on relay JT
1Adhesive, open contact JT
1-1Closed display lamp HT
1Light display lamp HT simultaneously
2Lamp is lighted; 7 pin output high level is through resistance R T
7To crystal triode VT
3Base drive amplify turn-on relay JT
2Adhesive, open contact JT
2-1Closure, display lamp HT
3Light, simultaneously display lamp HT
4Light; 8 pin output high level is through resistance R T
8To crystal triode VT
4Base drive amplify turn-on relay JT
3Adhesive, open contact JT
3-1Closed display lamp HT
5Light, simultaneously display lamp HT
6Light; As relay J T
1, JT
2, JT
3When one adhesive is arranged, open contact JT
1-2, JT
2-2, JT
3-2One corresponding closed connection+5V power supply is just arranged for sound cue circuit; Transistor diode DT
2, DT
3, DT
4Be parallel to relay J T
1, JT
2, JT
3Transistor diode VT
3Chemical capacitor CT during conducting
7Obtain dashing electricity, crystal triode VT
3Chemical capacitor CT when ending
7To relay J T
2Discharge makes relay J T in short-term
2Obtain time-delay;
Sound cue circuit: work as JT
1, JT
2, JT
3Just export when one adhesive is arranged+5V voltage gets electric work, resistance R T
9, RT
10With chemical capacitor CT
9, crystal triode VT
6Form the impulse electricity loop control, crystal triode VT
5Conducting with end; Crystal triode VT
7Base stage is connected to crystal triode VT
6Collecting electrode, crystal triode VT
7Crystal triode VT during conducting
9Power supply is switched on, by resistance R T
13, loudspeaker Y is to capacitor C T
11Dash electricity, crystal triode VT
8, VT
9Conducting makes capacitor C T
11Discharged crystal triode VT
8, VT
9End, loudspeaker send sound to.
Use automatic prompting apparatus for motor vehicle safety driven of the present invention, if when about 25 meters of front and back spacings apart from the time, back car sends cue and auditory tone cues is arranged or send analogous language to front truck automatically, sending wigwag simultaneously shows, in the time of need overtaking other vehicles as the back nearby vehicle, can send also that cue or simulation are appraised through discussion and light shows, car in front receive behind the signal can be after the afterbody of car has the light display notification car driver, so just reduced that the driver is left and right under steam, the back reaches watching from a height or a distance visor.When the present invention utilized the visible light-sensitive circuit to realize that nights two, car was met, the automatic conversion of the mutual far and near light of the other side's vehicle helped the safety of night travel, avoids taking place traffic accident.
Embodiment:
Fig. 1 is power supply stabilization circuit figure
Fig. 2 is encoding transmitting circuit figure
Fig. 3 is the automatic control switch circuit diagram
Fig. 4 is that left and right sides signal control electricity reveals figure
Fig. 5 is light-operated circuit figure
Fig. 6 is power supply stabilization circuit figure
Fig. 7 is demodulator circuit figure
Fig. 8 is sound cue circuit figure
Automatic prompting apparatus for motor vehicle safety driven of the present invention is realized by transmission circuit and acceptor circuit.
Transmission circuit is made up of power supply stabilization circuit (Fig. 1), encoding transmitting circuit (Fig. 2), automatic control switch circuit (Fig. 3), left and right sides signal control circuit (Fig. 4), light-operated circuit (Fig. 5);
Acceptor circuit is made up of power supply stabilization circuit (Fig. 6), demodulator circuit (Fig. 7) and sound cue circuit (Fig. 8).
(see figure 1) is worked as from the 12V vdc in the car through transistor diode D
1, inductive loop L
1, capacitor C
1The pi type filter of forming with spike and the harmonic interference that filtering magneto generator power supply produces, prevents that these signals interference from sealing in the circuit chemical capacitor C
2Establish for reducing the internal resistance of source.Chemical capacitor C
2Cathode voltage be that 12V outputs to three terminal integrated voltage stabilizer IC
1, just can obtain the 5V burning voltage, through resistance R
1Step-down, zener diode D
2Voltage stabilizing, chemical capacitor C
3Filtering and obtaining+3V voltage, each uses with circuit for emission.
The encoding transmitting circuit (see figure 2) is with IC P
1For core devices constitutes, be common pin with 10 pin, 6,7,8 pin will produce different codings when being connected with 10 pin respectively, by 15 pin output pulse signals, by resistance R P
1To crystal triode VP
1Modulation is amplified the back and is exported through resistance R P by collecting electrode
2Current limliting drives infrared light emitting diode DP
3Coded pulse signal after the outside radiation modulation, IC P
110 pin output signals are through function relay switch JP
2, JP
3, JP
1-1Be input to 8,7,6 pin and encode crystal oscillator XP
1, with capacitor C P
1, CP
2Constitute clock oscillation circuit, its carrier frequency is 38KHz, and 1 pin, 16 pin are power ends, because IC P
1Quiescent current consumption 1VA only, so needn't establish source switch in addition.
Automatic control switch circuit (see figure 3) is by resistance R P
3, RP
4, RP
5, RP
6, chemical capacitor CP
3, CP
4, crystal triode VP
2, VP
3The multi-resonant oscillating circuit that constitutes, resistance R P
3, RP
4With chemical capacitor CP
3, crystal triode VP
2Form an impulse electricity loop, control transistor VP
3Conducting with end resistance R P
5, RP
6With chemical capacitor CP
4, crystal triode VP
3Form an impulse electricity loop and control transistor VP
2Conducting with end, so crystal triode VP
2, VP
3Collecting electrode carries out high active potential conversion regularly and produces the on-off signal that is spaced apart about 0.3 second, through crystal triode VP
3Collecting electrode output to crystal triode VP
4Base stage, high potential collecting electrode turn-on relay JP
1Adhesive discharges during active potential, relay J P
1Adhesive frequently, open contact JP
1-1With IC P
110 pin and the interrupted connection of 6 pin, send coded pulse, (be relay J P
1For send the back to front truck the car cue is arranged).Transistor diode DP
4Be parallel to relay J P
1The coil two ends, the counter potential that produces in the time of can slackening owing to the coil current sudden change plays protection crystal triode VP
4The effect of pipe.
Left and right sides signal control circuit (see figure 4), left and right sides turn signal lamp RH, LH on the car, relay J P
2Coils from parallel connection of coils is in left direction signal lamp RH lamp, relay J P when left direction signal lamp RH lamp is lighted
2Get electric adhesive and connect IC P
110 pin and 8 pin send coded pulse signal, (are relay J P
2Be the cue of overtaking other vehicles on the left of sending to front truck).
Relay IP
3Coils from parallel connection of coils is in right steering signal lamp LH lamp, relay IP when right steering signal lamp LH lamp is lighted
3Get electric adhesive, connect IC P
110 pin and 8 human hair combing wastes go out coded pulse signal.(be relay J P
3For send the right side cue of overtaking other vehicles to front truck).
The light-operated circuit (see figure 5), gauge panel illuminating lamp H
1Circuit, when travelling night, gauge panel illuminating lamp H
1Be switched on, light-operated circuit gets electric work, photoconductive cell RQ
1Not being subjected to light time resistance is high resistant, crystal triode VQ
1, VQ
2Be in cutoff relay JQ
1Be in off-position, normally closed contact JQ
1-1The closed far lighting lamp H that connects
2, open contact JQ
1-2Disconnect passing light illumination H
3, photoconductive cell RQ
1When being subjected to the opposite light-illuminating, photoconductive cell RQ
1Become low-resistance by high resistant, crystal triode VQ
1, VQ
2Obtain the positively biased conducting, relay J Q
1Adhesive, normally closed contact JQ
1-1Contact open, country beam H
2Breath goes out, simultaneously open contact JQ
1-2Connect passing light H
3Light; Because open contact JP
1-2Be parallel to normally closed contact JQ
1-1, open contact JP
1-2Break-make frequently, so that country beam will be interrupted is luminous, resistance R Q
2Be crystal triode VQ
1Collector load, transistor diode DQ
1Be parallel to relay J Q
1The line two ends produce counter potential when slackening owing to the coil current sudden change and play protection crystal triode VQ
2Effect, as crystal triode VQ
2Chemical capacitor CQ during conducting
1Obtain dashing electricity, crystal triode VQ
2Chemical capacitor CQ when ending
1To relay J Q
1The power supply of a short time is provided, plays time-lag action.
The power supply stabilization circuit (see figure 6) is from the 12V vdc in the car, through transistor diode D
2-1, inductance coil L
2-1, capacitor C
2-1Form pi type filter, spike and harmonic interference that filtering magneto generator power supply produces prevent that these signals interference from sealing in the circuit chemical capacitor C
2-3Be to establish for reducing the internal resistance of source.Chemical capacitor C
2-3Just very+12V outputs to three terminal integrated voltage stabilizer IC
2-1, just can obtain+the 5V burning voltage, through chemical capacitor C
3-3Use for each power circuit after the filtering.
The demodulator circuit (see figure 7) by the infrared ray modulating coding signal that transmission circuit sends, is utilized the photosensitive pipe DT of infrared ray
1Opto-electronic conversion is carried out in reception, is input to IC T
18 pin carry out automatic gain control, amplification, amplitude limit, bandpass filtering, detection shaping, 7 pin external capacitor CT
1, resistance R T
1Series network is set amplifier gain, 6 pin external capacitor CT
2Be detection electric capacity, 5 pin ground terminal GND, 4 pin connecting resistance RT
2Be that the bandpass filter central frequency sets end, 3 pin are power output end, and 1 pin is a power supply, by IC T
1, 2 pin, output to crystal triode VT
1Base stage is swung to amplification, is exported through resistance R T by collecting electrode
3, RT
4Deliver to IC T
22 pin input pulse signals realize demodulation, chemical capacitor CT
4Be connected to IC T
2, 24 pin power supply source end filtering, resistance R T
5With capacitor C T
5And connect 23 pin and constitute internal oscillator circuit, chemical capacitor CT
6Connect 22 pin and carry out code detection filtering, 21 pin are ground terminal GND, and the signal after the demodulation is by the corresponding output of 5,7,8 pin, and 5 pin output high level is through resistance R T when receiving that there is the car signal back
6To crystal triode VT
2Base drive amplify turn-on relay JT
1Adhesive open contact JT
1-1Closure, display lamp HT
1Lamp lights up as driver's front signal and shows that there is car the back, simultaneously display lamp HT
2Lamp is lighted obviously place's demonstration in the middle of tailstock portion, and notice back nearby vehicle is received signal.When receiving that there is the car signal in the left side, 7 pin output high level is through resistance R T
7To crystal triode VT
3Base drive amplify turn-on relay JT
2Adhesive, open contact JT
2-1Closure, display lamp HT
3Lamp is bright to have car for driver's front signal shows the left side, simultaneously display lamp HT
4Lamp is lighted in tailstock portion left side and is obviously shown at the place, and notice back nearby vehicle is received signal, and when receiving that there is the car signal on the right side, 8 pin output high level is through resistance R T
8To crystal triode VT
4Base drive amplify turn-on relay JT
3Adhesive, open contact JT
3-1Closure, display lamp HT
5Lamp is bright for driver's front signal shows that there is car on the right side, simultaneously display lamp HT
6Lamp is lighted on tailstock portion right side and is obviously located to show, notice back nearby vehicle is received signal, as relay J T
1, JT
2, JT
3When one adhesive is arranged, often open and touch JT
1-2, JT
2-2, JT
3-2Just there is a corresponding closed connection+5V power supply to sound to sound cue circuit by power supply stabilization circuit+5V and points out transistor diode DT for sound cue circuit
2, DT
3, DT
4Be parallel to relay J T
1, JT
2, JT
3Coil, the counter potential that produces in the time of can slackening owing to the coil current sudden change plays protection crystal triode VT
2, VT
3, VT
4Effect.As crystal triode VT
3Chemical capacitor CT during conducting
7Obtain dashing electricity, crystal triode VT
3Chemical capacitor CT when ending
7To relay J T
2Discharge makes relay J T in short-term
2Obtain time-delay, play time-lag action, in like manner chemical capacitor CT
8With chemical capacitor CT
7Principle is identical.
Sound cue circuit (see figure 8) is as relay J T
1, JT
2, JT
3Just export when one adhesive is arranged+the 5V demodulator circuit gets electric work, resistance R T
9, RT
10With chemical capacitor CT
9, crystal triode VT
6Form impulse electricity loop control crystal triode VT
5Conducting, end resistance R T
11, RT
12, with chemical capacitor CT
10, crystal triode VT
7Form another impulse electricity loop control crystal triode VT
6Conducting with end.So crystal triode VT
6, VT
7The regular height of collector potential changes crystal triode VT
7Base stage is connected to crystal triode VT
6Collecting electrode, crystal triode VT
7Crystal triode VT during conducting
8With crystal triode VT
9Power supply is switched on by resistance R T
13, loudspeaker Y is to capacitor C T
11Dash electricity, crystal triode VT
8, VT
9Very fast conducting, crystal triode VT
8, VT
9Conducting make capacitor C T again
11Discharged, made crystal triode VT
8, VT
9End rapidly, go round and begin again like this, loudspeaker Y is sent the sound.
In the front portion of driver driving seat the prompting box is set, in be provided with warning light, loudspeaker, and transmission circuit plate and light-operated circuit; Afterbody at car is provided with display lamp, in the back light box circuit board for receiving is arranged.Tailstock portion signal aspect and indication lamp is glow green when showing, purpose is in order not overlap with other signal lamp color.
Claims (1)
1. automatic prompting apparatus for motor vehicle safety driven is characterized in that: adopt coding techniques, utilize modulation of infrared rays emission demodulation, adopt infrared ray to receive and amplify, the microprocessor demodulation drives and shows, realizes by transmission circuit and acceptor circuit;
Transmission circuit: form by power supply stabilization circuit, encoding transmitting circuit, automatic control switch circuit, left and right sides signal control circuit, light-operated circuit;
Power supply stabilization circuit: the 12V vdc in the car is through crystal diode (D
1), inductance coil (L
1), electric capacity (C
1) pi type filter formed is to chemical capacitor (C
2), to three terminal integrated voltage stabilizer (IC
1), again through resistance (R
1) step-down, zener diode (D
2) voltage stabilizing, chemical capacitor (C
3) use for each power circuit of emission after the filtering;
Encoding transmitting circuit: be with integrated circuit (ICP
1) for core devices constitutes, be common pin with 10 pin, when being connected with 10 pin respectively, 6,7,8 pin produce different codings, by 15 pin output pulse signals, by resistance (RP
1) to aerotron (VP
1) modulation, amplify the back and export through resistance (RP by collecting electrode
2) current limliting, drive infrared light emitting diode (DP
3) to external irradiation, the coded pulse signal after the modulation; Integrated circuit (ICP
1) 10 pin output signals are through function relay switch (JP
2), (JP
3), (JP
1-1) be input to 8,7,6 business concern operating a porters' service codings, crystal oscillator (XP
1), electric capacity (CP
1), (CP
2) the formation clock oscillation circuit;
Automatic control switch circuit: be by resistance (RP
3), (RP
4), (RP
5), chemical capacitor (CP
3), (CP
4), crystal triode (VP
2), (VP
3) the formation multi-resonant oscillating circuit, resistance (RP
3), (RP
4) and electric capacity (CP
3), crystal triode (VP
2) the impulse electricity loop control transistor (VP that forms
3) conducting with end resistance (RP
5), (RP
6) and chemical capacitor (CP
4), crystal triode (VP
3) the impulse electricity loop control transistor VP that forms
2) conducting with end, make crystal triode (VP
2), (VP
3) collecting electrode carries out the conversion of high active potential regularly and produce and be spaced apart 0.3 second on-off signal, through crystal triode (VP
3) collecting electrode output to crystal triode (VP
4) base stage, high potential collecting electrode turn-on relay (JP
1) adhesive, discharge open contact (JP during active potential
1-1) with integrated circuit (ICP
1) 10 pin and interrupted connection of 6 pin send coded pulse;
Left and right sides signal control circuit: relay (JP
2) coils from parallel connection of coils is in left steering lamp (RH), as left steering lamp (RH), as left steering lamp (RH) relay (JP when lighting
2) get electric adhesive, connect integrated circuit (ICP
1) 10 pin and 8 pin, send coded pulse signal; Relay (IP
3) coils from parallel connection of coils is in right steering lamp (LH), as right steering lamp (LH) relay (IP when lighting
3) get electric adhesive, connect integrated circuit (ICP
1) 10 pin and 7 pin, send coded pulse signal;
Light-operated circuit: gauge panel illuminating lamp (H
1) be switched on light-operated circuit and get electric work, photoconductive cell (RQ
1) be high resistant not being subjected to light time resistance, crystal triode (VQ
1), (VQ
2) be in and end, relay (JQ
1) be in off-position, normally closed contact (JQ
1-1) the closed far lighting lamp (H that connects
2), open contact (JQ
1-2) disconnection lower beam illumination lamp (H
3), photoconductive cell (RQ
1) when being subjected to the opposite light-illuminating, photoconductive cell (RQ
1) become low-resistance by high resistant, crystal triode (VQ
1), (VQ
2) obtain positively biased conducting, relay (JQ
1) adhesive, normally closed contact (JQ
1-1) contact open, country beam (H
2) cease and go out, while open contact (JQ
1-2) connection passing light (H
3) light; Open contact (JP
1-2) be parallel to normally closed contact (JQ
1-1), resistance R Q
2) meet crystal triode (VQ
1) collecting electrode transistor diode (DQ
1) be associated with relay (JQ
1) the coil two ends;
Acceptor circuit is made up of power supply stabilization circuit, demodulator circuit and sound cue circuit;
Power supply stabilization circuit: the 12V vdc in the car is through transistor diode (D
2-1), inductance coil (L
2-1), electric capacity (C
2-1) the composition pi type filter, chemical capacitor (C
2-2) just very+12V outputs to three terminal integrated voltage stabilizer (IC
2-1) obtain+the 5V burning voltage, through chemical capacitor (C
2-3) each power circuit of filtering confession;
Demodulator circuit: the infrared ray modulating coding signal that is sent by transmission circuit utilizes the photosensitive pipe (DT of infrared ray
1) receive and carry out opto-electronic conversion, be input to integrated circuit (ICP
1) 8 pin, 7 pin external capacitor (CT
1), resistance (RT
1) the formation series network, 6 pin external capacitor (CT
2), 5 pin ground terminals (GND), 4 pin connecting resistance (RT
2), 3 pin are power output end, 1 pin is a power supply, by integrated circuit (ICT
1) 2 pin output to crystal triode (VT
1) base stage carries out paraphase and amplifies, by collecting electrode output through resistance (RT
3), (RT
4) deliver to integrated circuit (ICT
2) 2 pin output pulse signals realize demodulation, chemical capacitor (CT
4) be connected to integrated circuit (ICT
2) 24 pin power supply source end filtering, resistance (RT
5) and electric capacity (CT
5) and connect 23 pin formation internal oscillator circuit, chemical capacitor (CT
6) connect 22 pin and carry out code detection filtering, 21 pin are ground terminal (GND), and the signal after the demodulation is by the corresponding output of 5,7,8 pin, and 5 pin are exported high mean longitude resistance (RT
6) to crystal triode (VT
2) base drive amplify turn-on relay (JT
1) adhesive, open contact JT
1-1) closed display lamp (HT
1) light display lamp (HT simultaneously
2) lamp lights; 7 pin output high level is through resistance (RT
7) to crystal triode (VT
3) base drive amplify turn-on relay (JT
2) adhesive, open contact (JT
2-1) closure, display lamp (HT
3) light while display lamp (HT
4) light; 8 pin output high level is through resistance (RT
8) to crystal triode (VT
4) base drive amplify turn-on relay (JT
3) adhesive, open contact (JT
3-1) closed display lamp (HT
5) light while display lamp (HT
6) light; As relay (JT
1), (JT
2), (JT
3) when an adhesive is arranged, open contact (JT
1-2), (JT
2-2), (JT
3-2) a corresponding closed connection+5V power supply is just arranged for sound cue circuit; Transistor diode (DT
2), (DT
3), (DT
4) be parallel to relay (JT
1), (JT
2), (JT
3); Transistor diode (VT
3) chemical capacitor (CT during conducting
7) obtain towards electricity, crystal triode (VT
3) chemical capacitor (CT when ending
7) to relay (JT
2) discharge in short-term, make relay (JT
2) obtain delaying time;
Sound cue circuit: as relay (JT
1) (JT
2), (JT
3) just export when an adhesive is arranged+5V voltage gets electric work, resistance (RT
9), (RT
10) and chemical capacitor (CT
9), crystal triode (VT
6) formation impulse electricity loop control, crystal triode (VT
5) conducting with end; Crystal triode (VT
7) base stage is connected to crystal triode (VT
6) collecting electrode, crystal triode (VT
7) crystal triode (VT during conducting
9) power supply is switched on, by resistance (RT
13), loudspeaker (Y) are to electric capacity (CT
11) towards electricity, crystal triode (VT
8), (VT
9) conducting, make electric capacity (CT
11) discharged crystal triode (VT
8), (VT
9) end, loudspeaker send sound to.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN98114145A CN1053866C (en) | 1998-07-14 | 1998-07-14 | Automatic prompting apparatus for motor vehicle safety driven |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN98114145A CN1053866C (en) | 1998-07-14 | 1998-07-14 | Automatic prompting apparatus for motor vehicle safety driven |
Publications (2)
Publication Number | Publication Date |
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CN1204597A CN1204597A (en) | 1999-01-13 |
CN1053866C true CN1053866C (en) | 2000-06-28 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN98114145A Expired - Fee Related CN1053866C (en) | 1998-07-14 | 1998-07-14 | Automatic prompting apparatus for motor vehicle safety driven |
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CN (1) | CN1053866C (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
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TWI269935B (en) | 2005-12-30 | 2007-01-01 | Quanta Display Inc | Mask and fabrication method thereof and application thereof |
CN107994893A (en) * | 2017-11-30 | 2018-05-04 | 国网河南省电力公司平顶山供电公司 | A kind of remote control switch circuit |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN87206345U (en) * | 1987-04-14 | 1988-03-30 | 江苏省东海光学仪器厂 | Infrared overtaking buzzer |
CN2150101Y (en) * | 1993-03-23 | 1993-12-22 | 刘成吉 | Communicating device for motor-vehicle safety overtaking |
CN2196053Y (en) * | 1994-07-18 | 1995-05-03 | 程守良 | Infrared overtaking sign device |
-
1998
- 1998-07-14 CN CN98114145A patent/CN1053866C/en not_active Expired - Fee Related
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN87206345U (en) * | 1987-04-14 | 1988-03-30 | 江苏省东海光学仪器厂 | Infrared overtaking buzzer |
CN2150101Y (en) * | 1993-03-23 | 1993-12-22 | 刘成吉 | Communicating device for motor-vehicle safety overtaking |
CN2196053Y (en) * | 1994-07-18 | 1995-05-03 | 程守良 | Infrared overtaking sign device |
Also Published As
Publication number | Publication date |
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CN1204597A (en) | 1999-01-13 |
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