CN104900079A - Adaptive traffic signal lamp prompt device - Google Patents
Adaptive traffic signal lamp prompt device Download PDFInfo
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- CN104900079A CN104900079A CN201510335653.XA CN201510335653A CN104900079A CN 104900079 A CN104900079 A CN 104900079A CN 201510335653 A CN201510335653 A CN 201510335653A CN 104900079 A CN104900079 A CN 104900079A
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- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/09—Arrangements for giving variable traffic instructions
- G08G1/095—Traffic lights
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- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/005—Traffic control systems for road vehicles including pedestrian guidance indicator
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Abstract
The invention discloses an adaptive traffic signal lamp prompt device, belonging to the voice prompt device technical field, and comprises a signal lamp signal receiving module, a central processing unit, a voice broadcast module and a power supply module, wherein the voice broadcast module comprises an ambient noise input unit, an ambient noise processing unit and a voice output unit; the ambient noise input unit is used for performing analog-digital conversion on ambient noise signals to obtain digit ambient noise signals; the ambient noise processing unit is used for performing anti-phase treatment on the digit ambient noise signals to obtain digital ambient noise signals with same amplitudes and opposite phases and perform gain adjustment; the voice output unit is used for receiving the digit ambient noise signals after gain adjustment, performing digital-analog conversion on the digit ambient noise signals, and overlapping with an original voice file for output. The adaptive traffic signal lamp prompt device is intelligent enough to adjust the play volume of a voice broadcast device in dependence on surrounding ambient noise of signal lamps.
Description
Technical field
The present invention relates to a kind of self-adapting traffic signal light suggestion device, belong to sound prompt device technical field.
Background technology
The traffic control system of road vehicle is the pith of road traffic, and traffic lights are the flow direction that signal instructed and dredged vehicle and pedestrian with light, play an important role.For orthoscopic people, people can judge whether P Passable by watching the color of traffic lights, for then very difficult achromate or blind person.Thus, with signal lamp change, the various prompt systems of change arise at the historic moment.
Application number is 200910031989.1; the applying date is that the patent of invention on June 26th, 2009 discloses a kind of blind traffic prompt system based on LED traffic lights visible light communication; comprise transmitting terminal and receiving end; transmitting terminal is made up of LED scrambler, driving circuit and LED traffic lights; Digital message code is compiled the coding for optical transport by LED scrambler; this coding sends into LED drive circuit as drive current; coded signal, according to coding-control LED traffic lights, is loaded in the light signal that LED traffic lights sends by driving circuit; Receiver is made up of optical receiver, demoder, controller, storer, audio-frequency module and loudspeaker; Optical receiver is made up of light focus lamp and photodetector; Light focus lamp receives the light signal that LED traffic lights sends, light signal is become electric signal by photodetector, demoder is delivered to through amplification, electric signal is reduced into original Digital message code by decoders decode, controller reads the sound signal being stored in storer appropriate address in advance according to Digital message code, sound signal plays out by audio-frequency module from loudspeaker.
Application number is 201310032511.7, the applying date is the road traffic suggestion device that the application for a patent for invention on January 28th, 2013 discloses on a kind of roof, comprise solar panel, charge controller, rechargeable battery, voltage stabilizing output device and solar vehicle-mounted LED suggestion device, the output port of solar panel is connected with an input port of described charge controller; An output port of charge controller is connected with the input port of described voltage stabilizing output device; Be connected with another output port of charge controller and an input port while of rechargeable battery; The input end of described voltage stabilizing output device is connected with an input end of solar vehicle-mounted LED suggestion device.This road traffic suggestion device is arranged on roof, and can control to select by solar panel or rechargeable battery powered by charge controller as required, and working by day, it is solar powered to select, and effectively can utilize sun power, energy-conserving and environment-protective; Work at night, rechargeable battery can be selected to power display reminding language to solar vehicle-mounted LED suggestion device by charge controller.
Application number is 201410738412.5, the applying date is that application discloses of on Dec 7th, 2014 a kind ofly to communicate with the Internet of Things of trail guide traffic lights with voice message, and it is made up of pedestrian signal lamp (1), time display (2), zigbee wireless communication module (3), voice prompting device (4), traffic lamppost (5), the first signpost (6) and the second signpost (7).It is simple that the present invention has structure, cost is low, function is many, intelligent, the features such as hommization, facilitate blind person can pass through crossing by the auxiliary security of voice prompting device (4), arbitrarily do not go across the road when reminding pedestrian to note red light by voice prompting device (4) simultaneously yet, reduce the situation that pedestrian arbitrarily makes a dash across the red light, in addition radio communication and the Intellectualized monitoring of traffic lights instruction can be realized by zigbee wireless communication module (3), and trail guide function is combined on conventional traffic lamppost (5), save land used and avoid and repeatedly install, the advantage that there is beautifying urban environment and facilitate pedestrian to go on a journey.
Said apparatus is that eye illness physical disabilities jaywalk and provide a great convenience.But said apparatus is invariable in the volume of report traffic light status prompt tone, if when meeting that road traffic is busy, the wagon flow stream of people is more, neighbourhood noise on road also can be larger, and traffic light status prompt tone will be submerged in noisy honk and voice.
Summary of the invention
In order to solve the problem, the present invention proposes a kind of self-adapting traffic signal light suggestion device, according to the neighbourhood noise around signal lamp, the broadcast sound volume of sound broadcasting device can be regulated, very intelligent.
The present invention adopts following technical scheme for solving its technical matters:
A kind of self-adapting traffic signal light suggestion device, comprise beacon signal receiver module, CPU (central processing unit), voice broadcast module and power supply module, wherein beacon signal receiver module, CPU (central processing unit) are connected with voice broadcast sequence of modules, and beacon signal receiver module, CPU (central processing unit) are connected with power supply module respectively with voice broadcast module; Described beacon signal receiver module is used for the status information of real-time reception signal lamp, described CPU (central processing unit) is used for sending instruction according to the information of beacon signal receiver module transmission to voice broadcast module, can described voice broadcast module for the state of reporting signal lamp and the prompt tone that pass through, and described power supply module is used for each module for power supply;
Voice broadcast module comprises neighbourhood noise input block, neighbourhood noise processing unit and voice-output unit, wherein said neighbourhood noise input block is for receiving ambient noise signal, this ambient noise signal is carried out analog to digital conversion and becomes digital environment noise signal, output to neighbourhood noise processing unit; Described neighbourhood noise processing unit, obtains the contrary digital environment noise signal of the suitable phase place of amplitude for this digital environment noise signal being carried out anti-phase process and carries out gain-adjusted, then exporting to voice-output unit; Digital environment noise signal after described voice-output unit is used for receiving gain adjustment also carries out digital-to-analog conversion to it, carries out superposing rear output with original voice document.
As a preferred technical solution of the present invention: described power supply module adopts automatic charger.
As a preferred technical solution of the present invention: described CPU (central processing unit) adopts Chip Microcomputer A tmel89C51.
As a preferred technical solution of the present invention: described neighbourhood noise processing unit comprises phase inverter and fader.
As a preferred technical solution of the present invention: the model of described phase inverter is ICL7660.
As a preferred technical solution of the present invention: described power supply module adopts solar storage battery.
A kind of self-adapting traffic signal light suggestion device of the present invention, adopts above technical scheme compared with prior art, has following technique effect:
1, the present invention can provide convenient for eye illness impedient people jaywalks, even if they cannot see or the identification not color of traffic lights, also jaywalks smoothly by voice message.
2, the present invention according to the neighbourhood noise around signal lamp, can regulate the broadcast sound volume of sound broadcasting device, and is conducive to node.
3, power supply module of the present invention adopts automatic charger, once explaining device does not have electricity, can automatic charging, and without the need to artificial charging, greatly save manpower.
4, invention increases the security of road traffic, decrease the incidence of traffic hazard.
Embodiment
Below the invention is described in further details.
A kind of self-adapting traffic signal light suggestion device, comprise beacon signal receiver module, CPU (central processing unit), voice broadcast module and power supply module, wherein beacon signal receiver module, CPU (central processing unit) are connected with voice broadcast sequence of modules, and beacon signal receiver module, CPU (central processing unit) are connected with power supply module respectively with voice broadcast module; Described beacon signal receiver module is used for the status information of real-time reception signal lamp, described CPU (central processing unit) is used for sending instruction according to the information of beacon signal receiver module transmission to voice broadcast module, can described voice broadcast module for the state of reporting signal lamp and the prompt tone that pass through, and described power supply module is used for each module for power supply;
Voice broadcast module comprises neighbourhood noise input block, neighbourhood noise processing unit and voice-output unit, wherein said neighbourhood noise input block is for receiving ambient noise signal, this ambient noise signal is carried out analog to digital conversion and becomes digital environment noise signal, output to neighbourhood noise processing unit; Described neighbourhood noise processing unit, obtains the contrary digital environment noise signal of the suitable phase place of amplitude for this digital environment noise signal being carried out anti-phase process and carries out gain-adjusted, then exporting to voice-output unit; Digital environment noise signal after described voice-output unit is used for receiving gain adjustment also carries out digital-to-analog conversion to it, carries out superposing rear output with original voice document.
As a preferred technical solution of the present invention: described power supply module adopts automatic charger.
As a preferred technical solution of the present invention: described CPU (central processing unit) adopts Chip Microcomputer A tmel89C51.
As a preferred technical solution of the present invention: described neighbourhood noise processing unit comprises phase inverter and fader.
As a preferred technical solution of the present invention: the model of described phase inverter is ICL7660.
As a preferred technical solution of the present invention: described power supply module adopts solar storage battery.
Neighbourhood noise processing unit of the present invention adopts phase inverter to be used for that this digital environment noise signal is carried out anti-phase process and obtains the contrary digital environment noise signal of the suitable phase place of amplitude.
Neighbourhood noise processing unit of the present invention adopts fader.Fader is actually the one of dynamic processor.Its gain changes to some extent with the change of signal, negative-feedback circuit is have employed between the level and level of amplifier, the large-signal of input is after amplifier amplifies, distortion may be caused at output terminal, adopt negative feedback can make the gain reduction of amplifier stage, the small-signal of input, in order to obtain reasonable signal to noise ratio (S/N ratio) at output terminal, can weaken amount of negative feedback by negative-feedback circuit, the gain of amplifier stage is got a promotion, thus changes the low side of frequency response curve and the phenomenon of high-end decline.Gain controller is usually used in radio signal and accepts aspect, and radiowave is in communication process, and by the impact of earth Ionospheric variability, the radio signal that ground receives may be at times strong and at other times weak, particularly evident at front end.In order to weaken this impact, fader must be adopted.
Power supply module of the present invention adopts automatic charger, once explaining device does not have electricity, can automatic charging, and without the need to artificial charging, greatly save manpower.
It is solar powered that power supply module of the present invention can also adopt solar panel to gather.
Sun power is really inexhaustible, the nexhaustible energy.And solar electrical energy generation absolute cleanliness, do not produce public hazards.So it is the desirable energy that solar electrical energy generation is described as.Obtain electric power from sun power, light-to-current inversion need be carried out realize by solar cell.It, with other power supply electricity generating principles were completely different in the past, has following characteristics: 1. without exhausted dangerous; 2. absolute cleanliness (nuisanceless); 3. not by the restriction of resource distribution region; 4. can generate electricity nearby in electricity consumption place; 5. energy quality is high.
Solar electrical energy generation is the device utilizing battery component sun power directly to be changed into electric energy.Solar module (Solar cells) is the solid unit utilizing the electronics property of semiconductor material to realize P-V conversion, and in vast unregulated power entoilage district, this device can be embodied as user's illumination and life power supply easily.Solar power system mainly comprises: the compositions such as solar module (array), controller, accumulator, inverter, user and lighting load.Wherein, solar module and accumulator are power-supply system, and controller and inverter are Control protection system, and load is system terminal.Solar cell and accumulator form the power supply unit of system, and therefore accumulator property directly affects system operation characteristic.
Embodiment one:
If the signal lamp state that beacon signal receiver module receives is green, then by this information transmission to CPU (central processing unit), the instruction of playing traffic information is then passed to voice broadcast module by CPU (central processing unit).Neighbourhood noise input block reception environment noise signal in voice broadcast module, carries out analog to digital conversion by this ambient noise signal and becomes digital environment noise signal, output to neighbourhood noise processing unit; Neighbourhood noise processing unit, carries out anti-phase process and obtains the contrary digital environment noise signal of the suitable phase place of amplitude and carry out gain-adjusted, then export to voice-output unit by this digital environment noise signal; Digital environment noise signal after voice-output unit is used for receiving gain adjustment also carries out digital-to-analog conversion to it, carries out with original voice document the voice message superposing rear output traffic information.
Embodiment two:
If the signal lamp state that beacon signal receiver module receives is red, then by this information transmission to CPU (central processing unit), the instruction of playing forbidden information is then passed to voice broadcast module by CPU (central processing unit).Neighbourhood noise input block reception environment noise signal in voice broadcast module, carries out analog to digital conversion by this ambient noise signal and becomes digital environment noise signal, output to neighbourhood noise processing unit; Neighbourhood noise processing unit, carries out anti-phase process and obtains the contrary digital environment noise signal of the suitable phase place of amplitude and carry out gain-adjusted, then export to voice-output unit by this digital environment noise signal; Digital environment noise signal after voice-output unit is used for receiving gain adjustment also carries out digital-to-analog conversion to it, carries out with original voice document the voice message superposing the forbidden information of rear output.
Above embodiments of the present invention are explained in detail, but the present invention is not limited to above-mentioned embodiment, in the ken that those of ordinary skill in the art possess, can also makes a variety of changes under the prerequisite not departing from present inventive concept.
Claims (6)
1. a self-adapting traffic signal light suggestion device, comprise beacon signal receiver module, CPU (central processing unit), voice broadcast module and power supply module, wherein beacon signal receiver module, CPU (central processing unit) are connected with voice broadcast sequence of modules, and beacon signal receiver module, CPU (central processing unit) are connected with power supply module respectively with voice broadcast module; Described beacon signal receiver module is used for the status information of real-time reception signal lamp, described CPU (central processing unit) is used for sending instruction according to the information of beacon signal receiver module transmission to voice broadcast module, can described voice broadcast module for the state of reporting signal lamp and the prompt tone that pass through, and described power supply module is used for each module for power supply;
It is characterized in that voice broadcast module comprises neighbourhood noise input block, neighbourhood noise processing unit and voice-output unit, wherein said neighbourhood noise input block is for receiving ambient noise signal, this ambient noise signal is carried out analog to digital conversion and becomes digital environment noise signal, output to neighbourhood noise processing unit; Described neighbourhood noise processing unit, obtains the contrary digital environment noise signal of the suitable phase place of amplitude for this digital environment noise signal being carried out anti-phase process and carries out gain-adjusted, then exporting to voice-output unit; Digital environment noise signal after described voice-output unit is used for receiving gain adjustment also carries out digital-to-analog conversion to it, carries out superposing rear output with original voice document.
2. a kind of self-adapting traffic signal light suggestion device according to claim 1, is characterized in that described power supply module adopts automatic charger.
3. a kind of self-adapting traffic signal light suggestion device according to claim 1, is characterized in that described CPU (central processing unit) adopts Chip Microcomputer A tmel89C51.
4. a kind of self-adapting traffic signal light suggestion device according to claim 1, is characterized in that described neighbourhood noise processing unit comprises phase inverter and fader.
5. a kind of self-adapting traffic signal light suggestion device according to claim 1, is characterized in that the model of described phase inverter is ICL7660.
6. a kind of self-adapting traffic signal light suggestion device according to claim 1, is characterized in that described power supply module adopts solar storage battery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510335653.XA CN104900079A (en) | 2015-06-17 | 2015-06-17 | Adaptive traffic signal lamp prompt device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510335653.XA CN104900079A (en) | 2015-06-17 | 2015-06-17 | Adaptive traffic signal lamp prompt device |
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| CN104900079A true CN104900079A (en) | 2015-09-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510335653.XA Withdrawn CN104900079A (en) | 2015-06-17 | 2015-06-17 | Adaptive traffic signal lamp prompt device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106981190A (en) * | 2017-05-25 | 2017-07-25 | 无锡安邦电气股份有限公司 | Intelligent pedestrian's street crossing prompting device |
| CN113160543A (en) * | 2021-01-11 | 2021-07-23 | 胡越 | Design and realization of magnetic type traffic light blind guiding device without disturbing residents |
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| CN1828687A (en) * | 2006-03-24 | 2006-09-06 | 陈安平 | Sound indicating device for man of visual disorder |
| US20100259418A1 (en) * | 2009-04-11 | 2010-10-14 | Shenzhen Futaihong Precision Industry Co., Ltd. | Traffic light system and method for using the same |
| CN202534163U (en) * | 2012-04-18 | 2012-11-14 | 杭州市公安局交通警察支队 | Pedestrian red light running warning device |
| CN203870811U (en) * | 2014-06-12 | 2014-10-08 | 株洲时代智能科技有限公司 | Voice prompt device of crosswalk signals |
| CN204117359U (en) * | 2014-10-15 | 2015-01-21 | 成都航空职业技术学院 | With the walkway intelligent transportation device of phonetic warning |
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2015
- 2015-06-17 CN CN201510335653.XA patent/CN104900079A/en not_active Withdrawn
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1828687A (en) * | 2006-03-24 | 2006-09-06 | 陈安平 | Sound indicating device for man of visual disorder |
| US20100259418A1 (en) * | 2009-04-11 | 2010-10-14 | Shenzhen Futaihong Precision Industry Co., Ltd. | Traffic light system and method for using the same |
| CN202534163U (en) * | 2012-04-18 | 2012-11-14 | 杭州市公安局交通警察支队 | Pedestrian red light running warning device |
| CN203870811U (en) * | 2014-06-12 | 2014-10-08 | 株洲时代智能科技有限公司 | Voice prompt device of crosswalk signals |
| CN204117359U (en) * | 2014-10-15 | 2015-01-21 | 成都航空职业技术学院 | With the walkway intelligent transportation device of phonetic warning |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106981190A (en) * | 2017-05-25 | 2017-07-25 | 无锡安邦电气股份有限公司 | Intelligent pedestrian's street crossing prompting device |
| CN113160543A (en) * | 2021-01-11 | 2021-07-23 | 胡越 | Design and realization of magnetic type traffic light blind guiding device without disturbing residents |
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Application publication date: 20150909 |