CN102389362A - Image ultrasonic blind guiding system device - Google Patents
Image ultrasonic blind guiding system device Download PDFInfo
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- CN102389362A CN102389362A CN2011102138385A CN201110213838A CN102389362A CN 102389362 A CN102389362 A CN 102389362A CN 2011102138385 A CN2011102138385 A CN 2011102138385A CN 201110213838 A CN201110213838 A CN 201110213838A CN 102389362 A CN102389362 A CN 102389362A
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Abstract
The invention discloses an image ultrasonic blind guiding system device, which comprises a CMOS (Complementary Metal Oxide Semiconductor) small camera, a light intensity sensor, a horizontal ultrasonic sensor, an ARM11 (advanced Reduced Instruction-Set Computer machine 11) processing system and a 4.3-inch LCD (liquid crystal display) touch display, wherein the CMOS camera is directly connected with a port JP1 of the ARM processing system; an input port Trig of the horizontal ultrasonic sensor is connected with an output port GPL1 of the ARM processing system, and an output port Echo of the horizontal ultrasonic sensor is connected with an input port GPK9 of the ARM processing system; an input port Echo of a downwards inclined ultrasonic sensor is connected with an output port GPL0 of the ARM processing system, and an output port Echo of the downwards inclined ultrasonic sensor is connected with an input port GPK8 of the ARM processing system; and a clock signal line CLK of the light intensity sensor is connected with a port GPL7 of the ARM processing system, and a data signal line DATA of the light intensity sensor is connected with a port GPK15 of the ARM processing system. The image ultrasonic blind guiding system device disclosed by the invention has the advantages of simple structure and low manufacturing cost, and is flexible to operate.
Description
Technical field
The present invention relates to a kind of sensor monitoring instrument, relate to a kind of image ultrasound wave guide system and device more specifically.Mode with detecting the sidewalk for visually impaired people image, surveying barrier with ultrasound wave guides blind person's running gear, be used for the blind person in the sidewalk for visually impaired people guide, keep away barrier; Through light intensity sensor driving LED illumination, even also can guide the blind person on the sidewalk for visually impaired people, to walk at night with under the darker complicated weather situation of cloudy available light; Through ultrasonic locating color combining/character recognition, be used to recognize the basic articles for use of daily life (like food, medicine, bankbook kind and amount deposited etc.).
Background technology
As everyone knows, the sidewalk for visually impaired people is unique passage that the blind person goes on a journey.There are bright-coloured yellow, special texture and tangible edge in the sidewalk for visually impaired people.But there is the texture edge abrasion on present many sidewalk for visually impaired people, also has many roadblocks, pit or the like potential safety hazard, not only influence the safety of blind person's trip, also the blind person has been caused very big harm.
Therefore, be necessary to design a kind of blind-guide device that on the sidewalk for visually impaired people of above-mentioned adverse circumstances, can guide the trip of blind person's safety.
The present invention can survey sidewalk for visually impaired people color, texture and edge with the CCD image acquisition of image recognition technology, and constantly revises progressive direction with voice prompt blind.Also, exist roadblock, pit to survey with interior sidewalk for visually impaired people to 8m with the survey barrier of ultrasonic technology.
Summary of the invention
The object of the present invention is to provide the device of a kind of image ultrasound wave guide system.Be used to guide blind person's walking more fast on the sidewalk for visually impaired people.Through the illumination of light intensity sensor driving LED, the blind person also can be walked under complicated weather situation on the sidewalk for visually impaired people.Through ultrasonic locating color combining/character recognition, be used to recognize the basic articles for use of daily life (like food, medicine, bankbook kind and amount deposited etc.).This device has simple in structure, flexible operation, advantage of low manufacturing cost.
For realizing above-mentioned purpose, the present invention adopts following technical measures:
A kind of image ultrasound wave guide system and device comprises CMOS small-sized image pickup head, light intensity sensor, and the horizontal direction ultrasonic sensor, the ARM11 processing system, the LCD touch display is characterized in that:
The CMOS photographic head directly is connected with the port JP1 of ARM11 processing system; The input port Trig of horizontal direction ultrasonic sensor is connected with the output port GPL1 of ARM11 processing system, and the delivery outlet Echo of horizontal direction ultrasonic sensor is connected with the input port GPK9 of ARM11 processing system; The input port Echo of oblique lower direction ultrasonic sensor is connected with the output port GPL0 of ARM11 processing system, and the delivery outlet Echo of oblique lower direction ultrasonic sensor is connected with the input port GPK8 of ARM11 processing system; The clock cable CLK of light intensity sensor is connected with the GPL7 port of ARM11 processing system, and the data signal line DATA of light intensity sensor is connected with the port GPK15 of ARM11 processing system.
Oblique lower direction ultrasound wave mask switch outfan directly is connected with the input GPK0 of ARM11 processing system; Horizontal direction ultrasound wave mask switch outfan directly is connected with the input GPK1 of ARM11 processing system; Bankbook identification switch outfan directly is connected with the input GPK2 of ARM processing system 11; Medicine identification switch outfan directly is connected with the input GPK3 of ARM11 processing system; Chinese and English permutator outfan directly is connected with the input GPK5 of ARM11 processing system.
The device of image as described above-ultrasound wave guide system is characterized in that: the output port GPL2 of ARM11 processing system links to each other with the input of buzzer drive circuit; The outfan of buzzer drive circuit is connected with buzzer; The output port GPL3 of ARM11 processing system links to each other with the input of LED alarm lamp drive circuit; The outfan of LED alarm lamp drive circuit is connected with the red LED alarm lamp; The output port GPL4 of ARM11 processing system links to each other with the input of LED illuminating lamp drive circuit; The outfan of LED illuminating lamp drive circuit is connected with the input of LED illuminating lamp constant-flow driver; The outfan of LED illuminating lamp constant-flow driver is connected with the LED illuminating lamp; The output port GPL5 of ARM processing system links to each other with the input of LED flashlight driving circuit; The outfan of LED flashlight driving circuit is connected with the LED flash lamp.
The Audio port of ARM11 processing system is connected with the audio frequency amplifier input, and the audio frequency amplifier outfan is connected with speaker; The LCD port CON1 of ARM11 processing system is connected through 40 core soft arranging wires with the LCD touch display.
Entire circuit places in the crust of the device, by the 3.7V lithium battery power supply; 3.7V lithium battery links to each other with DC_DC booster circuit plate input; DC_DC booster circuit plate+5V outfan is connected with audio frequency amplifier, red LED alarm lamp, oblique lower direction ultrasound wave mask switch, horizontal direction ultrasound wave mask switch, bankbook identification switch, medicine identification switch, Chinese and English permutator, buzzer, light intensity sensor, ARM11 processing system, oblique lower direction ultrasonic sensor, radiator fan, LED illuminating lamp constant-flow driver, for it provides 5V power supply; DC_DC booster circuit plate+12V outfan links to each other with LED flash lamp, horizontal direction ultrasonic sensor, for it provides 12V power supply.
Technical scheme of the present invention realizes that by the mastery routine decision of the central controller of ARM microprocessor the instruction storage pop down of mastery routine is (1-3 minute information) in Electrically Erasable Read Only Memory.After microprocessor ARM single-chip microcomputer central controller receives image, ultrasonic signal, just carry out voice suggestion and audible alarm task function, to reach the purpose of prompting early warning; Receive the signal of image at central controller after, just carry out demonstration logger task function; Receive the signal of image, light intensity sensor at central controller after, just carry out ccd image collection and camera function.
The present invention is a core with the ARM central controller, multi-functionals such as the concavo-convex and barrier of realization sidewalk for visually impaired people active homing, automatic measuring and controlling early warning sidewalk for visually impaired people, identification article.
The present invention keeps away the barrier blind guiding system with existing single image recognition or ultrasonic ranging and compares, and has the following advantages and effect:
Existing blind-guide device is mostly with ultrasound wave or infrared distance measurement, and guiding is inaccurate; Also some system uses image recognition, but eventually because of not discerning sidewalk for visually impaired people color, texture, edge simultaneously, to such an extent as to guiding is inaccurate, and can't the large-scale multiple roadblock of quick identification.The present invention compares with other single pick off, has overcome the limitation that single image recognition or range finding keep away the barrier blind guiding system, bring into play both advantage, remedied both defective; Adapt to complex road condition and round-the-clock, have the complex function of navigating, distinguish medicine and bankbook in the sidewalk for visually impaired people.
The present invention detects characteristics such as data are accurate, working stability is reliable, cost performance is higher, actual application prospect is good, for solving go on a journey difficulty, the daily life urgent need problems such as medicine and bankbook difficulty of distinguishing of blind person portable machine vision equipment is provided.
Description of drawings
Fig. 1 is the apparatus structure sketch map of image ultrasound wave guide system
Fig. 2 is the electrical block diagram of image ultrasound wave guide system
Wherein: 1-crust of the device (F200), 2-LCD touch display (4.3 inches WXCAT43-TG3#001), 3-Darlington transistor drive circuit (TIP122), 31-LED flashlight driving circuit (TIP122); 32-LED illuminating lamp drive circuit (TIP122), 33-LED alarm lamp drive circuit (TIP122), 34-buzzer drive circuit (TIP122); 4-LED flash lamp (12V), 5-CMOS small-sized image pickup head (OV9650/130W pixel), 6-audio frequency amplifier (M2822); 7-speaker (0.5W), 8-red LED alarm lamp, 9 controlled quentity controlled variable input switch groups; The oblique lower direction ultrasound wave of 91-mask switch, 92-horizontal direction ultrasound wave mask switch, 93-bankbook identification switch; 94-medicine identification switch, 95-Chinese and English permutator, 10-buzzer (SFM-27/5V); 11-DC_DC booster circuit plate (3.7V-> 5V), 12-light intensity sensor (GY-30), 13-horizontal direction ultrasonic sensor (URM05); 14-3.7V lithium battery (4000mAh), 15-LED illuminating lamp (CREE_R2), 16-ARM11 processing system (S3C6410); The oblique lower direction ultrasonic sensor of 17-(5V), 18-radiator fan (0.3W), 19-LED illuminating lamp constant-flow driver (350mA).
The specific embodiment
Specify the specific embodiment of the present invention below in conjunction with accompanying drawing
CMOS photographic head 5 is connected with the port JP1 of ARM11 processing system 16, is used for the sidewalk for visually impaired people detection of information; The input port Trig of horizontal direction ultrasonic sensor 13 is connected with the output port GPL1 of ARM11 processing system 16, and delivery outlet Echo is connected with the GPK9 port of ARM11 processing system 16, is used to measure the distance between the place ahead obstacle and the device; The input port Trig of oblique lower direction ultrasonic sensor 17 is connected with the GPL0 port of ARM11 processing system 16, and delivery outlet Echo is connected with the GPK8 port of ARM11 processing system 16, is used to connect the distance between side the place ahead obstacle and the device; The clock cable CLK of light intensity sensor 12 is connected with GPK15 with the GPL7 of ARM11 processing system 16 respectively with data signal line DATA, is used for the intensity of illumination of measurement environment.
CMOS photographic head 5 is OV9650, and valid pixel is 130W; Horizontal direction ultrasonic sensor 13 is URM05, and effective detection range can reach 8M, and oblique lower direction ultrasonic sensor 17 investigative ranges are 5M, and light intensity sensor 12 is GY-30, and its light intensity investigative range is 0 ~ 65537 lachs.Audio frequency amplifier 6, its input is connected with the Audio port of ARM11 processing system 16, and outfan is connected with speaker 7, will be amplified by the audio signal of ARM11 processing system 16 inputs to drive the speaker pronunciation.
LED flashlight driving circuit 31 inputs are connected with the delivery outlet GPL5 of ARM11 processing system 16, and outfan is connected with LED flash lamp 4, and the control signal of ARM11 processing system 16 outputs is amplified, and driving LED flash lamp 4 is luminous; LED illuminating lamp drive circuit 32 inputs are connected with the delivery outlet GPL4 of ARM11 processing system 16, and outfan links to each other with LED flash lamp constant-flow driver 19, and the control signal of ARM11 processing system 16 outputs is amplified, and whether control LED illuminating lamp 15 is luminous; LED flash lamp constant-flow driver 19 outfans directly are connected with LED illuminating lamp 15, for LED provides 350mA constant current; LED alarm lamp drive circuit 33 inputs are connected with the delivery outlet GPL3 of ARM11 processing system 16, and outfan is connected with LED alarm lamp 8, will, the control signal of ARM11 processing system 16 outputs is amplified, and driving LED alarm lamp 8 is luminous; Buzzer drive circuit 34 inputs are connected with the delivery outlet GPL2 of ARM11 processing system 16, and outfan is connected with buzzer 10, and the control signal of ARM11 processing system 16 outputs is amplified, and drive buzzer 10 buzzings and report to the police.LED dodges to turn off the light and 4 connects the 12V dc source, and LED illuminating lamp constant-flow driver 19, LED alarm lamp 8 connect the 5V dc source with buzzer 19.
Oblique lower direction ultrasound wave mask switch 91 left ends directly are connected with the input GPK0 of ARM11 processing system 16, and right-hand member upside holding wire is connected with+5V power supply through resistance R 1, and downside directly is connected with GND; Horizontal direction ultrasound wave mask switch 92 left ends directly are connected with the input GPK1 of ARM11 processing system 16, and right-hand member upside holding wire is connected with+5V power supply through resistance R 2, and downside directly is connected with GND; Bankbook identification switch 93 left ends directly are connected with the input GPK2 of ARM11 processing system 16, and right-hand member upside holding wire is connected with+5V power supply through resistance R 3, and downside directly is connected with GND; Medicine identification switch 94 left ends directly are connected with the input GPK3 of ARM11 processing system 16, and right-hand member upside holding wire is connected with+5V power supply through resistance R 4, and downside directly is connected with GND; Chinese and English permutator 95 left ends directly are connected with the input GPK5 of ARM11 processing system 16, and right-hand member upside holding wire is connected with+5V power supply through resistance R 5, and downside directly is connected with GND.
4.3 inch LCD touch display 2 is WXCAT43-TG3#001, directly links to each other with the LCD port CON1 of ARM11 processing system 16 through 40 core soft arranging wires, is used for the display routine running status and carries out associative operation.
The 12V power supply links to each other with LED flash lamp 4, horizontal direction ultrasonic sensor 13 respectively, and the 12V power supply is provided through DC_DC booster circuit plate 11 by the 3.7V lithium battery.
The 5V power supply is connected with audio frequency amplifier, red LED alarm lamp 8, oblique lower direction ultrasound wave mask switch 91, horizontal direction ultrasound wave mask switch 92, bankbook identification switch 93, medicine identification switch 94, Chinese and English permutator 95, buzzer 10, light intensity sensor 12, ARM11 processing system 16, oblique lower direction ultrasonic sensor 17, radiator fan 18, LED illuminating lamp constant-flow driver 19 respectively.The 5V dc source is provided through DC_DC booster circuit plate 11 by the 3.7V lithium battery.
Claims (1)
1. an image ultrasound wave guide system and device comprises CMOS small-sized image pickup head (5), light intensity sensor (12), and horizontal direction ultrasonic sensor (13), ARM11 processing system (16), LCD touch display (2) is characterized in that:
CMOS photographic head (5) directly is connected with the port JP1 of ARM11 processing system (16); The input port Trig of horizontal direction ultrasonic sensor (13) is connected with the output port GPL1 of ARM11 processing system (16), and the delivery outlet Echo of horizontal direction ultrasonic sensor (13) is connected with the input port GPK9 of ARM11 processing system (16); The input port Echo of oblique lower direction ultrasonic sensor (17) is connected with the output port GPL0 of ARM11 processing system (16), and the delivery outlet Echo of oblique lower direction ultrasonic sensor (17) is connected with the input port GPK8 of ARM11 processing system (16); The clock cable CLK of light intensity sensor (12) is connected with the GPL7 port of ARM11 processing system (16), and the data signal line DATA of light intensity sensor (12) is connected with the port GPK15 of ARM11 processing system (16);
Oblique lower direction ultrasound wave mask switch (91) outfan directly is connected with the input GPK0 of ARM11 processing system (16); Horizontal direction ultrasound wave mask switch (92) outfan directly is connected with the input GPK1 of ARM11 processing system (16); Bankbook identification switch (93) outfan directly is connected with the input GPK2 of ARM processing system 11 (16); Medicine identification switch (94) outfan directly is connected with the input GPK3 of ARM11 processing system (16); Chinese and English permutator (95) outfan directly is connected with the input GPK5 of ARM11 processing system (16);
The device of image as described above-ultrasound wave guide system is characterized in that: the output port GPL2 of ARM11 processing system (16) links to each other with the input of buzzer drive circuit (34); The outfan of buzzer drive circuit (34) is connected with buzzer (10); The output port GPL3 of ARM11 processing system (16) links to each other with the input of LED alarm lamp drive circuit (33); The outfan of LED alarm lamp drive circuit (33) is connected with red LED alarm lamp (8); The output port GPL4 of ARM11 processing system (16) links to each other with the input of LED illuminating lamp drive circuit (32); The outfan of LED illuminating lamp drive circuit (32) is connected with the input of LED illuminating lamp constant-flow driver (19); The outfan of LED illuminating lamp constant-flow driver (19) is connected with LED illuminating lamp (15); The output port GPL5 of ARM processing system (16) links to each other with the input of LED flashlight driving circuit (31); The outfan of LED flashlight driving circuit (31) is connected with LED flash lamp (4);
The Audio port of ARM11 processing system (16) is connected with audio frequency amplifier (6) input, and audio frequency amplifier (6) outfan is connected with speaker (7); The LCD port CON1 of ARM11 processing system (16) is connected through 40 core soft arranging wires with LCD touch display (2);
Entire circuit places in the crust of the device (1), is supplied power by 3.7V lithium battery (14); 3.7V lithium battery (14) links to each other with DC_DC booster circuit plate (11) input; DC_DC booster circuit plate (11)+5V outfan is connected with audio frequency amplifier (6), red LED alarm lamp (8), oblique lower direction ultrasound wave mask switch (91), horizontal direction ultrasound wave mask switch (92), bankbook identification switch (93), medicine identification switch (94), Chinese and English permutator (95), buzzer (10), light intensity sensor (12), ARM11 processing system (16), oblique lower direction ultrasonic sensor (17), radiator fan (18), LED illuminating lamp constant-flow driver (19), for it provides 5V power supply; DC_DC booster circuit plate (11)+12V outfan links to each other with LED flash lamp (4), horizontal direction ultrasonic sensor (13), for it provides 12V power supply.
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| CN2011102138385A CN102389362A (en) | 2011-07-28 | 2011-07-28 | Image ultrasonic blind guiding system device |
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| CN2011102138385A CN102389362A (en) | 2011-07-28 | 2011-07-28 | Image ultrasonic blind guiding system device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| 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 |
| CN104835287A (en) * | 2015-05-09 | 2015-08-12 | 广西科技大学 | Early warning and calling system protecting travelling safety of the aged and implementation method |
| WO2015131857A3 (en) * | 2014-06-30 | 2015-11-05 | 青岛歌尔声学科技有限公司 | Method and apparatus for aiding vision combining camera module and optical sensor |
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| CN202236171U (en) * | 2011-07-28 | 2012-05-30 | 张华昱 | Image-ultrasonic blind guiding system device |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| 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 |
| WO2015131857A3 (en) * | 2014-06-30 | 2015-11-05 | 青岛歌尔声学科技有限公司 | Method and apparatus for aiding vision combining camera module and optical sensor |
| JP6117451B1 (en) * | 2014-06-30 | 2017-04-19 | チンタオ ゴーアテック テクノロジー カンパニー リミテッドＱｉｎｇｄａｏ Ｇｏｅｒｔｅｋ Ｔｅｃｈｎｏｌｏｇｙ Ｃｏ．， Ｌｔｄ． | VISUAL ASSISTANCE METHOD AND DEVICE Integrating Camera Module And Optical Sensor |
| JP2017513118A (en) * | 2014-06-30 | 2017-05-25 | チンタオ ゴーアテック テクノロジー カンパニー リミテッドＱｉｎｇｄａｏ Ｇｏｅｒｔｅｋ Ｔｅｃｈｎｏｌｏｇｙ Ｃｏ．， Ｌｔｄ． | VISUAL ASSISTANCE METHOD AND DEVICE Integrating Camera Module And Optical Sensor |
| CN104835287A (en) * | 2015-05-09 | 2015-08-12 | 广西科技大学 | Early warning and calling system protecting travelling safety of the aged and implementation method |
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