CN2418523Y - Traffic-signal sound communicator - Google Patents
Traffic-signal sound communicator Download PDFInfo
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- CN2418523Y CN2418523Y CN00227458U CN00227458U CN2418523Y CN 2418523 Y CN2418523 Y CN 2418523Y CN 00227458 U CN00227458 U CN 00227458U CN 00227458 U CN00227458 U CN 00227458U CN 2418523 Y CN2418523 Y CN 2418523Y
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Abstract
The utility model discloses a sound communicator of traffic signals. A microprocessor is adopted to receive signals sent from a signal detecting circuit, and sound signals corresponding to states of pavement traffic lights are sent out by a loudspeaker after the signals are treated. After environmental noises are detected and amplified by a signal detecting and amplifying circuit, the environmental noises are input into the microprocessor via analog-to-digital conversion, a signal is sent out by the microprocessor to control a volume modulating circuit to cause the loudspeaker to send out sound information with a definite volume relative to the environmental noises, and thus, the sound signals are used for prompting and warning of people who cross roads to cross the roads quickly and safely. The utility model can be used widely in pavement traffic signal lights at crossings.
Description
The utility model relates to a kind of traffic signal devices, particularly a kind of sound device for traffic signal.
Along with rapid economic development, automobile is increasing, traffic is more and more crowded, very dangerous when the pedestrian is crossed road, and at present on each city surface road, it all is to point out by the footpound force traffic signal lamp at zebra stripes two ends that the pedestrian is crossed road, red light represents that no entry, green light represents to allow walk, and green light flicker expression green light soon finishes, and urges the pedestrian in the road to quicken to pass through; The footpound force traffic signal lamp only is from visually the pedestrian being pointed out, then can not play the effect of prompting to pedestrian visually impaired such as blind person and achromate etc., moreover the pedestrian who has is careless when going across the road, and does not remove to observe People's Bank of China's traffic lights state of living in, makes to send out traffic hazard many.
The utility model provides a kind of sound device for traffic signal at above-mentioned situation just, passes through road by utilizing audio communication signal caution pedestrains safety.
The utility model is to realize above-mentioned purpose like this: signal deteching circuit detects footpound force traffic lamp green light signals, microprocessor MPU receives after signal deteching circuit transmits footpound force traffic lamp state of living in, the guide sound tone signal produces circuit and sends and the corresponding audio communication prompting of footpound force traffic lamp state of living in, sounded by loudspeaker after power amplification circuit is handled, microprocessor MPU is by spacing output circuit control red light duty.
Acoustic pickup is collected the site environment noise, signal detection amplifying circuit detects environmental noise in the gap of voice and/or audio communication prompting and amplifies after analog to digital conversion, input microprocessor MPU, the volume control circuit of signal controlling of microprocessor MPU output between voice signal generation circuit and power amplification circuit makes loudspeaker send an audio communication signal that certain volume is arranged with respect to environmental noise.
Former People's Bank of China traffic lights red light power supply provides direct supply through rectifying and voltage-stabilizing to foregoing circuit.
Because behind the signal that the utility model employing microprocessor acknowledge(ment) signal testing circuit transmits, microprocessor guide sound tone signal produces circuit and produces corresponding signal, after handling, sends power amplification circuit by loudspeaker, acoustic pickup is collected the site environment noise, signal detection amplifying circuit detects environmental noise in the gap of voice and/or audio communication prompting and amplifies after analog to digital conversion, input microprocessor, the volume control circuit of signal controlling of microprocessor output between voice signal generation circuit and power amplification circuit, make loudspeaker send an audio communication signal that certain volume is arranged with respect to environmental noise, so just utilize the audio communication signal to remind, warn pedestrian visually impaired such as blind person, the achromate, insouciant people when going across the road wants fast, safety is passed through road.
Below in conjunction with accompanying drawing the utility model is done concrete detailed description the in detail.
Fig. 1 is a circuit block diagram of the present utility model;
Fig. 2 is circuit theory diagrams of the present utility model.
With reference to Fig. 1, signal deteching circuit detects footpound force traffic lamp green light signals, after microprocessor MPU receives the signal that signal deteching circuit transmits, the guide sound tone signal produces circuit and produces corresponding signal, send audio communication signal by loudspeaker through volume control circuit, power amplification circuit after handling, microprocessor is by the duty of spacing output circuit control red light, and former People's Bank of China traffic lights red light power supply provides direct supply through rectifying and voltage-stabilizing to foregoing circuit.
Acoustic pickup collection site environmental noise, signal detection amplifying circuit detect amplification again after analog to digital conversion in the gap of voice and/or audio communication prompting to environmental noise, input microprocessor MPU.Microprocessor MPU is exported a signal according to the size of analog to digital conversion value, and the volume control circuit of control between voice signal generation circuit and power amplification circuit makes loudspeaker send an audio communication signal that certain volume is arranged with respect to environmental noise.
Initialization after system powers on detects green light signals then, if this moment, green light was bright, then for example interruption audio communication signal that the prompting pedestrian passes through is sent in microprocessor MPU control; If green light is flicker, then microprocessor MPU control sends that the prompting pedestrian soon finishes when green for example hurriedly is interrupted sound signal; If this moment, red light was bright, then microprocessor MPU control is sent red light cycle voice and/or audio communication corresponding and the green light cycle and is pointed out other voice of phase region and/or audio communication prompting, perhaps do not send voice and/or audio communication signal in red light cycle, finish up to red light cycle, no through traffic for the prompting pedestrian; Simultaneously, microprocessor MPU begins in the gap of voice and/or audio communication prompting neighbourhood noise to be carried out the A/D sampling, and the A/D data are carried out digital filtering, A/D value after the processing is as the tolerance of current crossing neighbourhood noise size, thereby determine the size of audio prompt signal, promptly be directly proportional with the size of neighbourhood noise.
With reference to Fig. 1, Fig. 2, the alternating current 220V green light signals is the Transistor-Transistor Logic level signal through the signal deteching circuit module converts, input microprocessor MPU, and microprocessor MPU is determined the working condition of People's Bank of China's street lamp at this moment according to this signal, sends corresponding voice signal; Microprocessor MPU is by the duty of spacing output circuit module controls red light; Produce circuit, volume control circuit by voice signal, audio power integrated package and loudspeaker etc. are formed voice signal and are expanded the playing function module; Wherein sound signal is produced by microprocessor MPU, and voice signal is produced by speech chip IC8, and by microprocessor MPU control output; Microprocessor MPU by the size that volume control circuit is regulated voice signal, is delivered to signal in power integrated package and the speaker circuit after the computational analysis to neighbourhood noise intensity again, sends the moderate sound of loudness; Acoustic pickup and signal detection amplifying circuit, analog to digital converter are formed the environment noise detection module.Neighbourhood noise after audio frequency amplification, filtering, forms the signal relevant with the sound intensity of one 0～4V after acoustic pickup is converted to electric signal, transfer digital signal to through analog to digital converter and enter microprocessor MPU; Microprocessor MPU is the center of native system, and system is cycling under its programmed control, and microprocessor MPU is AT89C2051.
Power module provides a stable 5V power supply to total system, is all chip power supplies except that ic chip 11.Its 220V/AC input end, a termination original signal machine red light output terminal, other end connecting to neutral line.20 pin of+5V and microprocessor microprocessor MPU, 8 pin of ic chip 2,1,8 pin of ic chip 4,8 pin of ic chip 5,6 pin of ic chip 6,3,7,8 pin of ic chip 7,11 pin of ic chip 8,8 pin of ic chip 9, the end of 8 pin of ic chip 10 and resistance R 1, R4, R6, R16, R17, R18, R22 joins, and receives the positive control end of solid-state relay SSR; The 5V power cathode is for systematically, respectively with 10 pin of microprocessor microprocessor MPU, 4 pin of ic chip 2,4 pin of ic chip 3,3,4 pin of ic chip 4,4 pin of ic chip 5,2,4 pin of ic chip 6,4 pin of ic chip 7,8,10 pin of ic chip 8,4 pin of ic chip 9,4,6 pin of ic chip 10, the end of 3 pin of ic chip 11 and resistance R 5, R9, R11, R15, R20, R23 and C1, C2, C3, C4 and the emitter of triode T1 join.Ic chip 2 is LM358, and ic chip 3 is 4N27, and ic chip 4 is analog to digital converter TLC549, and ic chip 5 is double operational LM358, in two operational amplifiers of IC5a, IC5b are arranged.Audio frequency amplification integrated block IC 6 is LM386, and ic chip 7 is X25128, and ic chip 8 is speech chip MSP53C391, and ic chip 9 is double operational LM358, includes two operational amplifiers of IC9a, IC9b.Ic chip 9 is digital regulation resistance X9312W, is used for volume and regulates.Ic chip 11 is the audio power amplification module, is used to drive the loudspeaker sounding.
The ac input end of rectifier bridge BRD, connect the control output end of the footpound force traffic lamp green light 220V/AC signal after resistance R 7 current limliting dividing potential drops, another ac input end connecting to neutral line of rectifier bridge BRD, the positive pole of the direct current output of rectifier bridge BRD, connect 1 pin of ic chip 3, the negative pole of the direct current output of rectifier bridge BRD connects 2 pin of ic chip 3, inserts 2 pin of integrated package IC2 after the common port of 5 pin of ic chip 3 and resistance R 6, capacitor C 1 links, 4 pin ground connection of ic chip 3.3 pin of ic chip 2 connect with the common port of resistance R 3, R4, R5,4 pin ground connection of ic chip 2,8 pin connect+and 1 pin of 5V, IC2 joins with an end of resistance R 3 on the one hand, on the other hand through resistance R 2, signal is delivered to the base stage of triode T1, the collector of T1 connects+5V by resistance R 10, the green light working state signal that the collector of T1 forms inserts 7 pin of microprocessor microprocessor MPU, finishes the detection and the transmission task of footpound force traffic lamp working state signal.
13,14,15 pin of microprocessor MPU constitute serial three buses, and microprocessor MPU is by serial three total line traffic control IC4, IC7, IC8, IC10 work.Connect the crystal oscillating circuit of being made up of capacitor C 2, capacitor C 3, quartz crystal Z1 between 4,5 pin of microprocessor MPU, 3 pin of 10 pin ground connection, 12 pin and the ic chip 8 of microprocessor MPU join; 2,3,6,8,9 pin of microprocessor MPU join with 6,9,14,15,7 pin of ic chip 8 respectively; 13,12 pin of microprocessor MPU connect respectively and draw resistance R 17, R18; 17 pin of microprocessor MPU and 7 pin of ic chip 10 join.
Voice signal produces circuit by ic chip 7, IC8 constitutes, 1 pin of ic chip 7 connects 16 pin of microprocessor MPU, after 2 pin of ic chip 7 and 1 pin of IC8 join, receive 14 pin of microprocessor MPU again, after 6 pin of ic chip 7 and 16 pin of IC8 join, receive 15 pin of microprocessor MPU again, after 5 pin of ic chip 7 and 2 pin of IC8 join, receive 13 pin of microprocessor MPU again, 3 pin of ic chip 8 and 12 pin of microprocessor MPU join, 6 of ic chip 8,9,14,15,7 pin respectively with 2 of microprocessor MPU, 3,6,8,9 pin join, 8 pin of ic chip 8,10 pin ground connection, 4 pin ground connection of ic chip 7,8 pin of ic chip 7,11 pin of IC8 connect+5V.Voice, sound signal are exported from 12 pin of ic chip 8.
Positive termination+the 5V of signal of the solid-state relay SSR of spacing output circuit, the signal negative terminal connects 18 pin of microprocessor MPU, the control limit of solid-state relay SSR, the red light output terminal of the former People's Bank of China of termination traffic lights, the inlet wire of the former red light of another termination.
The acoustic pickup SYQ of signal detection amplifying circuit connects+5V through resistance R 16, connects 3 pin of note amplifier IC6 through capacitor C 8,2 pin of note amplifier IC6,4 pin ground connection, and 6 pin of note amplifier IC6 connect+5V, and capacitor C 7 also connects with 1,8 pin of note amplifier IC6.The 5 foot meridian capacitor C6 of note amplifier IC6, resistance R 13 output to signal on 2 pin of ic chip 5b, receive 3 pin of ic chip 5b after resistance R 14,15 couples+5V of the resistance R dividing potential drop, 1,2 pin of resistance R 12 and ic chip 5b also connect, the signal of the 1 pin output of ic chip 5b is through capacitor C 5, diode D1, resistance R 10, be input to 5 pin of ic chip 5a, resistance R 11 is the DC operation load of ic chip 5, joins with the common port of capacitor C 5, diode D1.5 pin of capacitor C 4 one termination ic chip 5a, other end ground connection, 6 pin of ic chip 5a are through resistance R 9 ground connection, and resistance R 8 is attempted by between 6,7 pin of ic chip 5a, and 7 pin of ic chip 5a are sent into signal on 2 pin of analog to digital converter IC4.8 pin, 1 pin of analog to digital converter IC4 connect+5V, 3, the 4 pin ground connection of analog to digital converter IC4, and 5,6,7 pin of analog to digital converter IC4 join with 11,14,15 pin of microprocessor microprocessor MPU respectively.
The main effect of ic chip 7 is required voice, the sound signals of storage ic chip 8, and ic chip 8 be voice, sound signal generation chip, and ic chip 10 is the volume control chip, all is controlled by microprocessor MPU; Voice, sound signal from the 12 pin output of ic chip 8 after enter 3 pin of ic chip 9 after the resistance R 19, R20 dividing potential drop.1,2 pin of ic chip 9 also connect, voice, sound signal output to 3 pin that volume is regulated integrated circuit block IC10 from 1 pin of ic chip 9, signal is after volume is regulated the integrated circuit block processing, be input to 6 pin of ic chip 9 by capacitor C 9, resistance R 21 from 5 pin of ic chip 10,6,7 pin and the connecting resistance R24 of ic chip 9,5 pin connecting resistance R22, the R23 of ic chip 9 be right+common port of 5V dividing potential drop, ic chip 9 is input to 2 pin of ic chip 11 with signal from 7 foot meridian capacitor C11, thereby finishes volume control and transformation task.
Power amplification circuit is made of audio power amplification module IC11, audio power amplification module IC11 carries out being connected to from 4 foot meridian capacitor C11 after the power amplification end of loudspeaker YSQ to voice, the sound signal of being come in by 2 pin, the raise one's voice other end ground connection of sound device YSQ, YSQ expands voice, sound signal and runs out.1 pin of audio power amplification module IC11 connects+18V, and 5 pin of audio power amplification module IC11 connect-18V, the 3 pin ground connection of audio power amplification module IC11.
Claims (10)
1, sound device for traffic signal, it is characterized in that signal deteching circuit detects footpound force traffic lamp green light signals, microprocessor MPU receives after signal deteching circuit transmits footpound force traffic lamp state of living in, the guide sound tone signal produces circuit and sends and the corresponding audio communication prompting of footpound force traffic lamp state of living in, sounded by loudspeaker after power amplification circuit is handled, microprocessor MPU is by spacing output circuit control People's Bank of China red light duty.
2, sound device for traffic signal according to claim 1, it is characterized in that acoustic pickup collection site environmental noise, signal detection amplifying circuit detects amplification in the gap of voice and/or audio communication prompting again after analog to digital conversion to environmental noise, input microprocessor MPU, microprocessor MPU is according to the size of analog to digital conversion value, the volume control circuit of control between voice signal generation circuit and power amplification circuit makes loudspeaker send an audio communication signal that certain volume is arranged with respect to environmental noise.
3, sound device for traffic signal according to claim 1 is characterized in that former People's Bank of China traffic lights red light power supply provides dc supply through rectifying and voltage-stabilizing.
4, sound device for traffic signal according to claim 1, an ac input end that it is characterized in that the rectifier bridge BRD of signal deteching circuit, connect the control output end of the footpound force traffic lamp green light 220V/AC signal after resistance R 7 current limliting dividing potential drops, another ac input end connecting to neutral line of rectifier bridge BRD, the positive pole of the direct current output of rectifier bridge BRD, connect 1 pin of ic chip 3, the negative pole of the direct current output of rectifier bridge BRD connects 2 pin of ic chip 3,5 pin of ic chip 3 and resistance R 6, after linking, the common port of capacitor C 1 inserts 2 pin of integrated package IC2,4 pin ground connection of ic chip 3,3 pin of ic chip 2 and resistance R 3, R4, the common port of R5 connects, 4 pin ground connection of ic chip 2,8 pin connect+5V, the 1 pin one side of IC2 is joined with an end of resistance R 3, on the other hand through resistance R 2, signal is delivered to the base stage of triode T1, the collector of T1 connects+5V by resistance R 10, the green light working state signal that the collector of T1 forms inserts 7 pin of microprocessor MPU, finishes the detection and the transmission task of footpound force traffic lamp working state signal.
5, sound device for traffic signal according to claim 1,13,14,15 pin that it is characterized in that microprocessor MPU constitute serial three buses, microprocessor MPU is by serial three total line traffic control IC4, IC7, IC8, IC10 work, connect the crystal oscillating circuit of forming by capacitor C 2, capacitor C 3, quartz crystal Z1 between 4,5 pin of microprocessor MPU, 10 pin ground connection of microprocessor MPU, 3 pin of 12 pin and ic chip 8 join; 2,3,6,8,9 pin of microprocessor MPU join with 6,9,14,15,7 pin of ic chip 8 respectively; 13,12 pin of microprocessor MPU connect respectively and draw resistance R 17, R18; 17 pin of microprocessor MPU and 7 pin of ic chip 10 join.
6, sound device for traffic signal according to claim 1, it is characterized in that voice signal produces circuit by ic chip 7, IC8 constitutes, 1 pin of ic chip 7 connects 16 pin of microprocessor MPU, after 2 pin of ic chip 7 and 1 pin of IC8 join, receive 14 pin of microprocessor MPU again, after 6 pin of ic chip 7 and 16 pin of IC8 join, receive 15 pin of microprocessor MPU again, after 5 pin of ic chip 7 and 2 pin of IC8 join, receive 13 pin of microprocessor MPU again, 3 pin of ic chip 8 and 12 pin of microprocessor MPU join, 6 of ic chip 8,9,14,15,7 pin respectively with 2 of microprocessor MPU, 3,6,8,9 pin join, 8 pin of ic chip 8,10 pin ground connection, 4 pin ground connection of ic chip 7,8 pin of ic chip 7,11 pin of IC8 connect+5V voice, sound signal is from the 12 pin output of ic chip 8.
7, sound device for traffic signal according to claim 1, positive termination+the 5V of signal that it is characterized in that the solid-state relay SSR of spacing output circuit, the signal negative terminal connects 18 pin of microprocessor MPU, the control limit of solid-state relay SSR, the red light output terminal of the former People's Bank of China of one termination traffic lights, the inlet wire of the former red light of another termination.
8, sound device for traffic signal according to claim 2, the acoustic pickup SYQ that it is characterized in that signal detection amplifying circuit connects+5V through resistance R 16, connect 3 pin of note amplifier IC6 through capacitor C 8,2 pin of note amplifier IC6,4 pin ground connection, 6 pin of note amplifier IC6 connect+5V, capacitor C 7 and 1 of note amplifier IC6,8 pin also connect, the 5 foot meridian capacitor C6 of note amplifier IC6, resistance R 13 outputs to signal on 2 pin of ic chip 5b, resistance R 14, receive 3 pin of ic chip 5b after 15 couples+5V of the resistance R dividing potential drop, resistance R 12 and 1 of ic chip 5b, 2 pin also connect, the signal of the 1 pin output of ic chip 5b is through capacitor C 5, diode D1, resistance R 10, be input to 5 pin of ic chip 5a, resistance R 11 is the DC operation load of ic chip 5, with capacitor C 5, the common port of diode D1 joins, the 5 pin other end ground connection of capacitor C 4 one termination ic chip 5a, 6 pin of ic chip 5a are through resistance R 9 ground connection, resistance R 8 is attempted by 6 of ic chip 5a, between 7 pin, 7 pin of ic chip 5a are sent into signal on 2 pin of analog to digital converter IC4,8 pin of analog to digital converter IC4,1 pin connects+5V, 3 of analog to digital converter IC4,4 pin ground connection, 5 of analog to digital converter IC4,6,7 pin respectively with 11 of microprocessor MPU, 14,15 pin join.
9, sound device for traffic signal according to claim 2, it is characterized in that volume control circuit comprises ic chip 10, IC9,17 pin of microprocessor MPU connect 7 pin of ic chip 10, voice, sound signal is exported after resistance R 19 from 12 pin of ic chip 8, insert 3 pin of integrated package IC9 after the R20 dividing potential drop, 1 of ic chip 9,2 pin also connect, voice, sound signal outputs to 3 pin that volume is regulated integrated circuit block IC10 from 1 pin of ic chip 9, signal is after volume is regulated the integrated circuit block processing, pass through capacitor C 9 from 5 pin of ic chip 10, resistance R 21 is input to 6 pin of ic chip 9,6 of ic chip 9,7 pin and connecting resistance R24,5 pin connecting resistance R22 of ic chip 9, R23 is right+common port of 5V dividing potential drop, ic chip 9 is input to 2 pin of ic chip 11 with signal from 7 foot meridian capacitor C11, thereby finishes volume control and transformation task.
10, sound device for traffic signal according to claim 1, it is characterized in that power amplification circuit is made of audio power amplification module IC11, audio power amplification module IC11 carries out being connected to from 4 foot meridian capacitor C11 after the power amplification end of loudspeaker YSQ to voice, the sound signal of being come in by 2 pin, the raise one's voice other end ground connection of sound device YSQ, the sound device YSQ that raises one's voice runs out voice, sound signal expansion, 1 pin of audio power amplification module IC11 connects+18V, 5 pin of audio power amplification module IC11 connect-18V, the 3 pin ground connection of audio power amplification module IC11.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN00227458U CN2418523Y (en) | 2000-03-02 | 2000-03-02 | Traffic-signal sound communicator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN00227458U CN2418523Y (en) | 2000-03-02 | 2000-03-02 | Traffic-signal sound communicator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2418523Y true CN2418523Y (en) | 2001-02-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN00227458U Expired - Fee Related CN2418523Y (en) | 2000-03-02 | 2000-03-02 | Traffic-signal sound communicator |
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| Country | Link |
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| CN (1) | CN2418523Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103606286A (en) * | 2013-11-13 | 2014-02-26 | 河南理工大学 | Traffic light real-time state prompting device for assisting colorblind |
| CN107331089A (en) * | 2017-08-07 | 2017-11-07 | 上海嘉宝莉涂料有限公司 | A kind of audio signal turns on OFF signal triggering acoustooptic alarm system |
-
2000
- 2000-03-02 CN CN00227458U patent/CN2418523Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103606286A (en) * | 2013-11-13 | 2014-02-26 | 河南理工大学 | Traffic light real-time state prompting device for assisting colorblind |
| CN107331089A (en) * | 2017-08-07 | 2017-11-07 | 上海嘉宝莉涂料有限公司 | A kind of audio signal turns on OFF signal triggering acoustooptic alarm system |
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| Date | Code | Title | Description |
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| 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 |