CN2231273Y - Speech sound infrared remote controlled point-out equipment for road traffic - Google Patents
Speech sound infrared remote controlled point-out equipment for road traffic Download PDFInfo
- Publication number
- CN2231273Y CN2231273Y CN95227804U CN95227804U CN2231273Y CN 2231273 Y CN2231273 Y CN 2231273Y CN 95227804 U CN95227804 U CN 95227804U CN 95227804 U CN95227804 U CN 95227804U CN 2231273 Y CN2231273 Y CN 2231273Y
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- CN
- China
- Prior art keywords
- pin
- infrared remote
- pd1943c
- power supply
- speech sound
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Abstract
The utility model relates to a speech sound infrared remote controlled prompting device for road traffic, comprising an infrared remote controlled signal transmitter arranged on a road and an infrared remote controlled signal receiving and speech sound-producing device arranged in a vehicle. The transmitter is composed of an integrated circuit, an infrared light emitting diode and a group of control keys. The transmitter can transmit one road traffic speech sound of the preset 32 types of road traffic speech sounds. The infrared remote controlled signal receiving and speech sound-producing device is composed of an integrated circuit, an infrared photocell, a microcontroller and a conditioning tone chip. The speech sound infrared remote controlled prompting device can prompt traffic signals for drivers in time by using the speech sound. The utility model has the advantages of practicality, anti-interference, reliable performance, etc.
Description
At present, in control of traffic and road, the prompting of traffic language is mostly finished by people's the organs of vision, as: light, traffic sign, and people's hearing organ never is fully utilized.Fail in time to see the traffic sign in roadside owing to the driver notices that road surface situation or other reason cause, the time regular meeting cause break in traffic rules and regulations and traffic accident.
The purpose of this utility model is to provide a kind of infrared signal of launching the various traffic sign language of predefined representative, and it is received, and the road traffic voice that the control voice device sends corresponding traffic sign voice disclose device.
The utility model comprises: be arranged on the traffic sign infrared remote-controlled signal transmitter on the road and be arranged on vehicle interior infrared remote-controlled signal reception and sound pronunciation device; Above-mentioned transmitter circuit is made up of integrated electric μ PD1943C, infrarede emitting diode SE303A and one group of control button; Yi Bian key bit scan pulse signal input terminal 1～4 pin of integrated circuit μ PD1943C and key bit scan pulse signal output end 12～19 pin are respectively for forming 8 * 4 matrixes, on its crosspoint, be connected to 32 control buttons, user code selecting side 20 pin and the diode C of μ PD1943C
3003～D
3005Negative pole link to each other, diode cathode is connected with 13 pin, 15 pin, 19 pin respectively, is connected to a piezo-electric crystal between oscillator output end 8 pin of μ PD1943C and oscillator input 9 pin, and passes through capacitor C respectively
1, C
2Be connected with+3V power supply; Remote signal output 5 pin of μ PD1943C and a secondary exciter tube BG
3002, BG
3001In BG
3002Base stage be connected BG
3001Colelctor electrode in be connected to infrarede emitting diode; Power end 6 pin of μ PD1943C and test lead 7 pin all are connected with+3V power supply; Infrared remote-controlled signal reception and sound pronunciation device are by integrated circuit LA7224, infrared photodiode D
3004, microcontroller μ PD1001C and MPS1532 speech chip form; 1 pin of LA7224 is an output, and 2 pin are connected to integrating capacitor C
3026, C
3026Other end ground connection, 3 pin meet 38KHZ resonant tank L3002, C3027, and 4 pin are connected to peak value must hold capacitor C
3031, C
3031The other end and power supply Ec end connect, and 5 pin are earth terminal, and 6 pin meet feedback network R
3068, C
3030, R
3068With C
3030Series connection, its other end ground connection, 7 pin are input, with a PIN type photodiode D
3004One end is connected, D
3004Another termination power Ec end, 8 pin connect power supply Ec end; The 5th pin of microcontroller NPD1001C is connected with 1 pin of above-mentioned LA1224, and the 2nd, 3,4 pin are output, is connected the 1st pin OUT of MqS1532 respectively with the 7th, 8,9 pin of MqS1532 speech chip
1Be the function output, join with loudspeaker B one end, another termination power of loudspeaker B Vss power supply negative terminal, the 5th pin meets V
55Power supply, crus secunda CP
2With the 3rd pin CP
1Between meet a coupling capacitance C
2, the 4th pin ENV connects envelope vibration control end, and the 6th pin is a power positive end.
The above-mentioned traffic sign infrared remote-controlled signal transmitter that is arranged on the road can send a kind of in the pre-set multiple infrared signal, and the infrared signal that is sent is the coded pulse form.After infrared remote-controlled signal reception in being arranged on vehicle and sound pronunciation device receive a certain infrared signal, be converted into the signal of telecommunication (remote control coding pulse), giving microcontroller handles, a certain voice segments in the corresponding control of coded pulse after the processing speech chip, thus sound prompt function finished.
The utility model is to utilize the infrared remote-controlled signal transmitter that is arranged on the road to send a certain regulatory signs of reserving in advance, and receive this signal by the receiving system in the car, and a certain voice segments of the speech chip of triggering correspondence, make human pilot utilize the hearing organ to understand various traffic signs on the road, can avoid break in traffic rules and regulations and traffic accident because of seeing in time that not the traffic sign on the road causes.This device has characteristics such as practicality, anti-interference and dependable performance.
The drawing explanation:
Fig. 1 is infrared remote-controlled signal transmitter circuit figure of the present utility model.
Fig. 2 is the cut-away view of infrared remote-controlled signal transmitter of the present utility model.
Fig. 3 is that infrared remote-controlled signal of the present utility model receives and the sound pronunciation circuit diagram.
Operating principle accompanying drawings of the present utility model is as follows: the kind of supposing transmitter is the N kind, so just can launch D
nPlant infrared signal.Language in the speech chip is carried out segmentation, be made as S
nSection, every section voice content is:
S
1---the multiple place of the place ahead accident, please slow down and go slowly;
S
2---no left turn for junction ahead;
S
3---this section highway section F-Zero is 70 kilometers, asks safety traffic;
S
4---the place ahead detour, please slow down and go slowly;
S
n——……。
D
nSignal is directly controlled S after microprocessor processes
nVoice segments, the given circuit of the utility model is multiple infrared signal and voice segments.The infrared control signal transmitter is installed in traffic signals sign board place, infrared control signal reception and pronunciation device are installed on the automobile, like this, when reaching each traffic mark board, pronunciation device in the car will send voice suggestion automatically, the driver hears voice suggestion, will make corresponding judgment.
1. infrared remote-controlled signal transmitter:
Transmitter circuit is as shown in Figure 1: mainly by integrated circuit μ PD1943C, infrarede emitting diode SE303A and one group of key switch are formed.μ PD1943C adopts 20 pin dual inline type plastic packaging structures, and its inside has: oscillator, clock pulse generator, sweep generator, keying encoder, telecommand encoder, modulator and buffering amplifier.Each leading foot function is: 1～4 pin is the input of key bit scan pulse signal, 5 pin are remote signal output, 6 pin are power supplys, 7 pin are test leads, and 8 pin are vibration output, and 9 pin are oscillator inputs, 10 pin are ground connection, 11 pin are indicator lamp output, and 12～19 pin are the output of key bit scan pulse signal, and 20 pin are the inputs of user code selecting side.The frequency of oscillation of μ PD1943 is decided by the external piezo-electric crystal of 8,9 pin, and the utility model is 455KHZ.Through inner 8 grades of triggers (256 frequently) basic timing signal of 0.5626ms taking place, and 12 frequency divisions of 455KHZ is produced the carrier signal of about 38KHZ.8 * 4 matrixes by key bit scan pulse output end 12～19 pin and key bit scan pulse input end 1～4 pin are formed connect 32 operating keys on its crosspoint.Under the clock pulse signal effect, key bit scan pulse signal generator produces the key bit scan pulse of 8 kinds of different times and delivers to output 12～19 pin respectively, keyboard is scanned, and received by 1～4 pin.According to the corresponding definition of multiple road traffic voice, the code value of each key position and keying coding is corresponding a plurality of operating keys position, with the code value of key control encoder by telecommand partially a sign indicating number device carry out the code value exchange, just obtained the telecommand sign indicating number.Shaking control instruction coding is a read only memory ROM, and the output of keying encoder links to each other with the address wire of telecommand encoder.Telecommand sign indicating number device has partially been stored the telecommand sign indicating number of various regulations in advance.20 pin of HPD1943C are user selecting side CCS, it and diode D
3003～D
3005Negative pole is connected, and diode cathode then links to each other with 13,15,19 pin respectively.When pressing each button, high level will be from a certain terminal input of 1～4 pin.Remote controller starts the 455KHZ oscillating circuit, capacitor C according to this input voltage
1And C
3Guarantee the instantaneous starting of oscillation cycle, meanwhile, clock pulse generator clocking, each circuit working of coordinates remote control device.Key bit scan signal is exported from 19～12 pin, and again by the input of 1～4 pin, key position input signal is through the logic circuit of the inclined to one side sign indicating number of keying device, and the address of gating telecommand encoder makes the telecommand prior corresponding telecommand sign indicating number of having finished of sign indicating number device output partially.The telecommand sign indicating number is delivered to modulator, also delivers to modulator by the 38KHZ signal that 455KHZ frequency of oscillation frequency division obtains.Modulated signal amplifies through buffer amplifier, by the 5 pin output of HPD1943C, delivers to exciter tube BG
3002Base stage, BG
3002, BG
3001Modulated signal is amplified, and the excitation infrarede emitting diode produces external remote signal.The remote-controlled transmitter power supply is 3V.
2. infrared remote-controlled signal receives, and handles and pronunciation device:
The infrared remote-controlled signal receiver is made up of integrated circuit LA7224 and infrared photodiode D3004, and it adopts the single-row direct insertion plastic packaging structure of 8 pin, and there is preamplifier its inside, limiting amplifier, automatic subsection electric control circuit, bandpass filter, peak value powder ripple device and output wave form circuit.Each pin function is: 1 pin is output, and 2 pin are to connect integrating circuit, and 3 pin connect the 38KHZ resonant tank, and 4 pin connect peak value must hold electric capacity, 5 pin ground connection, and 6 pin connect feedback network, and 7 pin are input, and 8 pin are power supply+5V.
D
3004It is a PIN type photodiode.When unglazed irradiation, PIN gives birth to because of anti-no current partially, outside the infrared remote-controlled signal that receives the remote controller transmission, the photodiode backward resistance reduces, produce photoelectric current and, form the voltage (remote signal) of representing optical signal LA7224 (7) pin (being in the input impedance of preamplifier).Because D
3004Anti-its knot electricity partially is less, and the input impedance of amplifier is also lower, to the frequency response broad that makes the photoelectricity receiving circuit, can reach hundreds of KHZ.For receiving the 38KHZ signal is competent, and higher sensitivity is arranged, to guarantee that enough remote control distances are arranged.High-gain is arranged and strong signal nonoverload when importing for the weak signal that guarantees preamplifier, make the remote controller can both operate as normal in the scope of 10 meters of distance receivers, there is not automatic bias control circuit ABLC, it can regulate the biasing of preamplifier automatically, reaches the purpose of the gain of automatic resonance-amplifier.(6) pin meets capacitance-resistance feedback network R
3068, C
3030RC value in regulating networks pregain in advance is set to appropriate value, is controlled by the ABLC circuit again.
3. the resonant tank of the external 38KHZ of pin carries out frequency-selecting to the 38KHZ signal and amplifies the interference of other frequency content of filtering.Deliver to the peak detector detection then, remove the envelope (remote control coding pulse) that the 38KHZ carrier wave detects remote signal, (4) the remote control coding pulse that obtains through detection of the external detection load of pin, at last by the shaping circuit shaping, deliver to microcontroller μ PD1001C (5) pin by the output of (1) pin, through the decoded pulse signal of microcontroller by (2), (3), (4) pin input MgS1532 speech chip (7), (8), (9) pin, be used to control speech chip, the control signal of speech chip is delivered to loudspeaker through peripheral circuit, thereby finishes sound prompt function.The effect of each pin of peripheral circuit is as follows: (1) pin OUT1 is the function output, can drive perverse the sounding of 8 Ω, (5) pin Vss power supply negative terminal, (2) pin CP
2, (3) pin CP
1Be the coupling capacitance end, (4) pin ENV is an envelope vibration control end, (6) pin V
DDBe power positive end.
Claims (1)
1. road traffic voice infrared remote control suggestion device, it is characterized in that: the utility model comprises: be arranged on the traffic sign infrared remote-controlled signal transmitter on the road and the infrared remote-controlled signal that is arranged in the vehicle receives and the sound pronunciation device; Above-mentioned transmitter circuit is made up of integrated electric μ PD1943C, infrarede emitting diode SE303A and one group of control button; Yi Bian key bit scan pulse signal input terminal 1～4 pin of integrated circuit μ PD1943C and key bit scan pulse signal output end 12～19 pin are respectively for forming 8 * 4 matrixes, on its crosspoint, be connected to 32 control buttons, user code selecting side 20 pin and the diode C of μ PD1943C
3003～D
3005Negative pole link to each other, diode cathode is connected with 13 pin, 15 pin, 19 pin respectively, is connected to a piezo-electric crystal between oscillator output end 8 pin of μ PD1943C and oscillator input 9 pin, and passes through capacitor C respectively
1, C
2Be connected with+3V power supply; Remote signal output 5 pin of μ PD1943C and a secondary exciter tube BG
3002, BG
3001In BG
3002Base stage be connected BG
3001Colelctor electrode in be connected to infrarede emitting diode; Power end 6 pin of μ PD1943C and test lead 7 pin all are connected with+3V power supply; Infrared remote-controlled signal reception and sound pronunciation device are by integrated circuit LA7224, infrared photodiode D
3004, microcontroller μ PD1001C and MPS1532 speech chip form; 1 pin of LA7224 is an output, and 2 pin are connected to integrating capacitor C
3028, C
3028Other end ground connection, 3 pin meet 38KHZ resonant tank L3002, C3027, and 4 pin are connected to peak value must hold capacitor C
3031, C
3031The other end and power supply Ec end connect, and 5 pin are earth terminal, and 6 pin meet feedback network R
3068, C
3030, R
3068With C
3030Series connection, its other end ground connection, 7 pin are input, with a PIN type photodiode D
3004One end is connected, D
3004Another termination power Ec end, 8 pin connect power supply Ec end; The 5th pin of microcontroller MPD1001C is connected with 1 pin of above-mentioned LA1224, and the 2nd, 3,4 pin are output, is connected the 1st pin OUT of MqS1532 respectively with the 7th, 8,9 pin of MqS1532 speech chip
1Be the function output, join with loudspeaker B one end, another termination power of loudspeaker B Vss power supply negative terminal, the 5th pin meets V
55Power supply, the 2nd pin CP
2With the 3rd pin CP
1Between meet a coupling capacitance C
2, the 4th pin ENV connects envelope vibration control end, and the 6th pin is a power positive end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN95227804U CN2231273Y (en) | 1995-12-11 | 1995-12-11 | Speech sound infrared remote controlled point-out equipment for road traffic |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN95227804U CN2231273Y (en) | 1995-12-11 | 1995-12-11 | Speech sound infrared remote controlled point-out equipment for road traffic |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2231273Y true CN2231273Y (en) | 1996-07-17 |
Family
ID=33873557
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN95227804U Expired - Fee Related CN2231273Y (en) | 1995-12-11 | 1995-12-11 | Speech sound infrared remote controlled point-out equipment for road traffic |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2231273Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101819715A (en) * | 2010-04-19 | 2010-09-01 | 南京航空航天大学 | Infrared induction based expressway traveling system in thick foggy weather |
-
1995
- 1995-12-11 CN CN95227804U patent/CN2231273Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101819715A (en) * | 2010-04-19 | 2010-09-01 | 南京航空航天大学 | Infrared induction based expressway traveling system in thick foggy weather |
| CN101819715B (en) * | 2010-04-19 | 2012-02-15 | 南京航空航天大学 | Infrared induction based expressway traveling system in thick foggy weather |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |