CN102716003A - Audio-visual integration handicapped helping device - Google Patents
Audio-visual integration handicapped helping device Download PDFInfo
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- CN102716003A CN102716003A CN2012102295893A CN201210229589A CN102716003A CN 102716003 A CN102716003 A CN 102716003A CN 2012102295893 A CN2012102295893 A CN 2012102295893A CN 201210229589 A CN201210229589 A CN 201210229589A CN 102716003 A CN102716003 A CN 102716003A
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
- A61H3/00—Appliances for aiding patients or disabled persons to walk about
- A61H3/06—Walking aids for blind persons
- A61H3/061—Walking aids for blind persons with electronic detecting or guiding means
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F9/00—Methods or devices for treatment of the eyes; Devices for putting-in contact lenses; Devices to correct squinting; Apparatus to guide the blind; Protective devices for the eyes, carried on the body or in the hand
- A61F9/08—Devices or methods enabling eye-patients to replace direct visual perception by another kind of perception
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S15/00—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
- G01S15/86—Combinations of sonar systems with lidar systems; Combinations of sonar systems with systems not using wave reflection
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S15/00—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
- G01S15/88—Sonar systems specially adapted for specific applications
- G01S15/93—Sonar systems specially adapted for specific applications for anti-collision purposes
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
- A61H2201/00—Characteristics of apparatus not provided for in the preceding codes
- A61H2201/50—Control means thereof
- A61H2201/5058—Sensors or detectors
- A61H2201/5092—Optical sensor
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- Animal Behavior & Ethology (AREA)
- Computer Networks & Wireless Communication (AREA)
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- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Rehabilitation Therapy (AREA)
- Physical Education & Sports Medicine (AREA)
- Pain & Pain Management (AREA)
- Epidemiology (AREA)
- Ophthalmology & Optometry (AREA)
- Biomedical Technology (AREA)
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- Acoustics & Sound (AREA)
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
Abstract
The invention relates to an audio-visual integration handicapped helping device and belongs to the technical field of electronic information. The audio-visual integration handicapped helping device comprises an audio-visual integration double-sensor module, a processing control module and an audio output module, wherein an output end of the audio-visual integration double-sensor module is mutually connected with an input end of the processing control module, and an output end of the processing control module is connected with an input end of the audio output module. The audio-visual integration handicapped helping device utilizes the prior art, combines users' needs and engineering reality, and has the advantages of being complete in function, high in integration level, compact in structure, convenient to carry, maintain and use, good in real-time performance and the like.
Description
Technical field
The present invention relates to electronic information technical field, be specifically related to a kind of whole of audiovisualization device of helping the disabled.
Background technology
World Health Organization (WHO) estimates that there is blind person 4,000 ten thousand to 4,500 ten thousand in the whole world.China once carried out status investigation with visual disabilities in the eighties in last century.The result shows, China has patient with visual disabilities nearly 1,300 ten thousand, and is wherein blind about 5,500,000, low vision about 7,500,000.State-owned more than 6,000 ten thousand disableds in the statistics in 2006, wherein the deaf mute accounts for more than 2,700 ten thousand, and ratio is the highest.China is annual, and new blind person can to occur about 450,000, low vision 1,350,000, and 1 blind person will appear in promptly about per minute, 3 low vision patients.If do not take effective measures, will be present 4 times to the year two thousand twenty China number with visual disabilities, surplus being about to reach 5,000 ten thousand.If can a little facilities be provided for these blind persons, then their democratic meeting changes much thereupon.
To the blind person one cover Kai Shi apparatus for guiding blind is arranged in the market, this apparatus for guiding blind is based on the difference frequency principle and realizes.But than the biosonar echo-signal of Vespertilio and dolphin, the characteristic information of the peripheral object that difference frequency signal can react is still very limited.Other also have a lot of similarly apparatus for guiding blind, can be used for surveying the distance of the place ahead target, but then can't provide concrete answer specific to the place ahead apparatus for guiding blind that is what.This apparatus for guiding blind training time is longer simultaneously.
The existing disclosed patent No. of Chinese patent is a kind of biosonar sniffer and the detection method thereof of CN201010574072.9; This patent is by A; Three simple sonar transmitting-receiving processing modules of B and C are formed; Wherein, A, B module are emission biomimetic sonar signals and gather echo-signal, do not introduce image capture module; The C module is not introduced speech synthesis technique yet simultaneously, thereby can better not use for numerous blind persons.
The purpose of this invention is to provide a kind of whole of audiovisualization device of helping the disabled, it can provide the place ahead target more detailed information for the blind person.
In order to solve the existing problem of background technology; The present invention adopts following technical scheme: a kind of whole of audiovisualization device of helping the disabled; It comprises whole of audiovisual dual sensor module, processing and control module and audio frequency output module; The outfan of said whole of audiovisual dual sensor module and the input of said processing and control module interconnect, and the outfan of said processing and control module links to each other with the input of said audio frequency output module;
Said whole of audiovisual dual sensor module comprises biomimetic sonar transceiver module and image capture module;
Said image capture module comprises imageing sensor, modulate circuit and AD conversion unit; The outfan of said imageing sensor links to each other with the input of said modulate circuit; The outfan of said modulate circuit links to each other with the input of said AD conversion unit, said AD conversion unit outfan link to each other with the input of said processing and control module;
Said audio frequency output module comprises audio driven and modulate circuit, L channel player and R channel player, and the outfan of said audio driven and modulate circuit links to each other with the input of said L channel player and the input of said R channel player respectively.
As improvement, said processing and control module is made up of single microprocessor or continuous dual micro processor, multimicroprocessor, and microprocessor can be chosen from processors such as DSP, ARM, FPGA, single board computer, single-chip microcomputer, intel or AMD.
As improvement, said microprocessor based on dual micro processor, multimicroprocessor processing and control module can homotype also can be special-shaped.For example; Two DSP modules can constitute homotype dual micro processor processing and control module; A FPGA module and a DSP module can constitute special-shaped dual micro processor processing and control module, and two FPGA modules and a DSP module can constitute special-shaped multimicroprocessor processing and control module.
The present invention compared with prior art; Its beneficial effect is: 1, not only comprise the emission and the collection of biomimetic sonar signal in the whole of audiovisual dual sensor module; Simultaneously also introduced image capture module, can survey, discern and locate the place ahead detection of a target more accurately.2, processing and control module has been introduced the image recognition processing technology, can realize high speed processing and control.3, the audio frequency output module has not only comprised original signal shadow casting technique and has also introduced speech synthesis technique.4, this patent utilization prior art, actual in conjunction with user's request and engineering, designed that a cover is multiple functional, integrated level is high, compact conformation, be easy to carry, real-time is good, be convenient to safeguard and a cover whole of audiovisualization easy to use device of helping the disabled.5, this patent is convenient to upgrading, maintenance, secondary development and function expansion.
Description of drawings
Fig. 1 is a structural representation of the present invention.
Fig. 2 is the sketch map of this specific embodiment.
The specific embodiment
The whole of audiovisualization of the special-shaped dual micro processor processing and control module that this specific embodiment constitutes with a FPGA module and the DSP module device of helping the disabled is an example; With reference to Fig. 1, Fig. 2; Concrete adopt following technical scheme: a kind of whole of audiovisualization device of helping the disabled; It comprises whole of audiovisual dual sensor module D, processing and control module E and audio frequency output module F; The outfan of said whole of audiovisual dual sensor module D and the input of said processing and control module E interconnect, and the outfan of said processing and control module E links to each other with the input of said audio frequency output module F.
With reference to Fig. 1, Fig. 2, said whole of audiovisual dual sensor module D comprises biomimetic sonar transceiver module and image capture module.Wherein, The biomimetic sonar transceiver module is used for to indoor and outdoor detection of a target emission sonar signal; And gather echo information in real time, for the emission of biomimetic sonar signal, Direct Digital formula frequency synthesis technique (DDS) is adopted in the design of wave source; Through reading the digital signal that value in the wave memorizer generates certain frequency, be converted into analogue signal by DAC again.DAC adopts the chip TLV5638 of TI company, and bit wide is 12bits.Ultrasonic transducer is caught analogue signal, and modulate circuit is adjusted to the analog signal voltage that captures within the convertible voltage range of analog-digital converter, adopts the chip THS1206 of TI company to realize the double-channel analog/digital conversion.Image capture module is used to gather the image information of the indoor and outdoor detection of a target; Comprise and draw together imageing sensor; Modulate circuit and AD conversion unit; This imageing sensor is output as analog quantity, and the analog quantity voltage that imageing sensor is collected through modulate circuit is adjusted in the voltage range that analog-digital converter can change, and that this analog-digital converter adopts is the chip TVP5150 of TI company.
With reference to Fig. 2, said special-shaped dual micro processor processing and control module E comprises FPGA module and DSP module, and the FPGA module is responsible for audition transmitting-receiving, control, and the DSP module is responsible for the processing and the IMAQ of algorithm.FPGA adopts the chip EP2C8Q208 of altera company, and this chip can have 127 with the IO mouth, and there are 36 M4k memory spaces inside.The FPGA module is to link to each other with the biomimetic sonar transceiver module in this case study on implementation, and its function is to survey the place ahead driftlessness is arranged, and the place ahead target information of gathering is carried out simple process.The DSP module is to adopt the chip TMS320DM642 of TI company, and this module major function is to do algorithm process, comprises to the ultrasonic echo Signal Processing with to view data carrying out Flame Image Process.
Wherein, when said processing and control module E employing comprises FPGA module and DSP modular structure, can select one of following two kinds of specific embodiments for use:
Specific embodiments one comprises that the biomimetic sonar transceiver module forwards launches sonar signal, gathers echo, and the analogue echoes signal of being gathered is transferred to the FPGA module through modulate circuit and AD conversion unit; Image capture module images acquired information is transferred to the FPGA module behind the analogue signal of being gathered process modulate circuit and the AD conversion unit; The FPGA module realizes high speed data transfer through EDMA and DSP module.
Specific embodiments two comprises that the biomimetic sonar transceiver module forwards launches sonar signal, gathers echo, and the analogue echoes signal of being gathered is transferred to the FPGA module through modulate circuit and AD conversion unit; Image capture module images acquired information is transferred to the DSP module behind the analogue signal of being gathered process modulate circuit and the AD conversion unit; The FPGA module realizes high speed data transfer through EDMA and DSP module.
Said audio frequency output module F comprises audio driven and modulate circuit, L channel player and R channel player, and the outfan of said audio driven and modulate circuit exports the processing and control module information processed to two earphones by L channel player and R channel player respectively after treatment.
Explanation is at last; Above embodiment is only unrestricted in order to technical scheme of the present invention to be described; Other modifications that those of ordinary skills make technical scheme of the present invention perhaps are equal to replacement; Only otherwise break away from the spirit and the scope of technical scheme of the present invention, all should be encompassed in the middle of the claim scope of the present invention.
Claims (6)
1. whole of audiovisualization device of helping the disabled; It is characterized in that; It comprises whole of audiovisual dual sensor module, processing and control module and audio frequency output module; The outfan of said whole of audiovisual dual sensor module and the input of said processing and control module interconnect, and the outfan of said processing and control module links to each other with the input of said audio frequency output module;
Said whole of audiovisual dual sensor module comprises biomimetic sonar transceiver module and image capture module;
Said image capture module comprises imageing sensor, modulate circuit and AD conversion unit; The outfan of said imageing sensor links to each other with the input of said modulate circuit; The outfan of said modulate circuit links to each other with the input of said AD conversion unit, said AD conversion unit outfan link to each other with the input of said processing and control module;
Said audio frequency output module comprises audio driven and modulate circuit, L channel player and R channel player, and the outfan of said audio driven and modulate circuit links to each other with the input of said L channel player and the input of said R channel player respectively.
2. a kind of whole of audiovisualization according to claim 1 device of helping the disabled is characterized in that, said processing and control module constitutes with single microprocessor, dual micro processor or multimicroprocessor.
3. a kind of whole of audiovisualization according to claim 2 device of helping the disabled is characterized in that, said single microprocessor adopts DSP, ARM, FPGA, single board computer, single-chip microcomputer, intel or AMD microprocessor.
4. a kind of whole of audiovisualization according to claim 2 device of helping the disabled; It is characterized in that; Said dual micro processor is chosen from DSP, ARM, FPGA, single board computer, single-chip microcomputer, intel or AMD processor; These two continuous microprocessors can homotype also can be special-shaped, these two processors are shared the information of looking, listen and are handled.
5. a kind of whole of audiovisualization according to claim 4 device of helping the disabled is characterized in that, said dual micro processor is that two DSP modules constitute the homotype processing and control module, or a FPGA module and a DSP module constitute special-shaped processing and control module.
6. a kind of whole of audiovisualization according to claim 2 device of helping the disabled; It is characterized in that; Said multiprocessor is for choosing three above microprocessors from DSP, ARM, FPGA, single board computer, single-chip microcomputer, intel or AMD processor; These three continuous microprocessors can homotype also can be special-shaped, share the multichannel information of looking, listen and handle.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012102295893A CN102716003A (en) | 2012-07-04 | 2012-07-04 | Audio-visual integration handicapped helping device |
| PCT/CN2012/087030 WO2014005409A1 (en) | 2012-07-04 | 2012-12-20 | Audio-visual integration handicapped helping device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2012102295893A CN102716003A (en) | 2012-07-04 | 2012-07-04 | Audio-visual integration handicapped helping device |
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| CN102716003A true CN102716003A (en) | 2012-10-10 |
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| CN2012102295893A Pending CN102716003A (en) | 2012-07-04 | 2012-07-04 | Audio-visual integration handicapped helping device |
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| CN (1) | CN102716003A (en) |
| WO (1) | WO2014005409A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014005409A1 (en) * | 2012-07-04 | 2014-01-09 | 南通朝阳智能科技有限公司 | Audio-visual integration handicapped helping device |
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| JP2004024853A (en) * | 2002-05-08 | 2004-01-29 | Yamanashi Tlo:Kk | Device for supporting walking |
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| US20090322616A1 (en) * | 2003-10-28 | 2009-12-31 | Bandhauer Brian D | Radar echolocater with audio output |
| CN101797197A (en) * | 2009-11-23 | 2010-08-11 | 常州达奇信息科技有限公司 | Portable blindman independent navigation system |
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| CN102293709A (en) * | 2011-06-10 | 2011-12-28 | 深圳典邦科技有限公司 | Visible blindman guiding method and intelligent blindman guiding device thereof |
| CN102389362A (en) * | 2011-07-28 | 2012-03-28 | 张华昱 | Image ultrasonic blind guiding system device |
| CN202715021U (en) * | 2012-07-04 | 2013-02-06 | 南通朝阳智能科技有限公司 | Audio-visual integration device helping the disabled |
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| US5724313A (en) * | 1996-04-25 | 1998-03-03 | Interval Research Corp. | Personal object detector |
| US8525874B2 (en) * | 2006-08-15 | 2013-09-03 | Koninklijke Philips N.V. | Assistance system for visually handicapped persons |
| US8816849B2 (en) * | 2010-06-24 | 2014-08-26 | Andrew L. Hong | Overhang warning device |
| CN102716003A (en) * | 2012-07-04 | 2012-10-10 | 南通朝阳智能科技有限公司 | Audio-visual integration handicapped helping device |
-
2012
- 2012-07-04 CN CN2012102295893A patent/CN102716003A/en active Pending
- 2012-12-20 WO PCT/CN2012/087030 patent/WO2014005409A1/en active Application Filing
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004024853A (en) * | 2002-05-08 | 2004-01-29 | Yamanashi Tlo:Kk | Device for supporting walking |
| US20090322616A1 (en) * | 2003-10-28 | 2009-12-31 | Bandhauer Brian D | Radar echolocater with audio output |
| CN101368828A (en) * | 2008-10-15 | 2009-02-18 | 同济大学 | Blind man navigation method and system based on computer vision |
| CN101797197A (en) * | 2009-11-23 | 2010-08-11 | 常州达奇信息科技有限公司 | Portable blindman independent navigation system |
| CN102135619A (en) * | 2010-12-06 | 2011-07-27 | 王茂森 | Biosonar sounding device and method |
| CN102293709A (en) * | 2011-06-10 | 2011-12-28 | 深圳典邦科技有限公司 | Visible blindman guiding method and intelligent blindman guiding device thereof |
| CN102389362A (en) * | 2011-07-28 | 2012-03-28 | 张华昱 | Image ultrasonic blind guiding system device |
| CN202715021U (en) * | 2012-07-04 | 2013-02-06 | 南通朝阳智能科技有限公司 | Audio-visual integration device helping the disabled |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014005409A1 (en) * | 2012-07-04 | 2014-01-09 | 南通朝阳智能科技有限公司 | Audio-visual integration handicapped helping device |
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| WO2014005409A1 (en) | 2014-01-09 |
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Application publication date: 20121010 |