CN104887465A - Trolley for blind person and guiding method - Google Patents
Trolley for blind person and guiding method Download PDFInfo
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- CN104887465A CN104887465A CN201510365528.3A CN201510365528A CN104887465A CN 104887465 A CN104887465 A CN 104887465A CN 201510365528 A CN201510365528 A CN 201510365528A CN 104887465 A CN104887465 A CN 104887465A
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- zebra crossing
- handbarrow
- blind person
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- distance measuring
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Abstract
The invention discloses a trolley for guiding a blind person to safely pass through a zebra crossing and a guide method thereof. The trolley is composed of four distance measuring modules installed thereon, a zebra crossing image identifying module and a central control module. By using the real-time data collected by the distance measuring sensor and a camera, the guide method is programmed in the chip of the central control module, so that the blind person cannot collide the other passenger or articles when passing through the zebra crossing; meanwhile, the trolley can guarantee that the blind person can return to the safe zone in the middle of the zebra crossing after bypassing an obstacle, and continue advancing.
Description
Technical field
The present invention relates to technical field of living goods, particularly relate to a kind of handbarrow, particularly a kind of handbarrow and bootstrap technique thereof for guiding blind safety to pass through zebra crossing.
Background technology
According to World Health Organization (WHO) (WHO) and China second time people with disability survey data statistical data in 2006 display, about there are 1,233 ten thousand blind persons in China, is the country that whole world blind person is maximum, accounts for 20% of All Around The World blind person number.Blind person cannot see pedestrian and zebra crossing clearly because of visual problems, therefore independently, easily and efficiently cannot pass through zebra crossing.Publication number is that the Chinese invention patent application of CN 104586614A discloses one " blind person's hollow/detection of obstacles crutch ", this equipment mounting ultrasonic sensor on crutch, thus reminding blind gets around barrier and hollow, but the ultrasonic sensor on an independent crutch due to induction angle problem, cannot carry out blind person walk front extensive area keep away barrier detect.Publication number is that the Chinese invention patent application of CN 104622673A discloses " a kind of anticollision system for prompting for blind person ", mainly comprises intelligent belt and intelligent earphone.System is worn conveniently, can omnidirectional detection barrier, but system is not with regard to blind traffic trip, and such as, home when crossing zebra crossing judges.
Summary of the invention
Object of the present invention will overcome the deficiencies in the prior art exactly, propose a kind of guide blind safety to pass through zebra crossing handbarrow and bootstrap technique, this handbarrow can avoid blind person to encounter barrier, guides blind person's walking at the middle section of zebra crossing, ensures that it crosses street safely.
Technical scheme of the present invention is: a kind of guide blind safety to pass through zebra crossing handbarrow and bootstrap technique, it is characterized in that: described handbarrow consists of 4 range finder modules be installed on it, 1 zebra crossing image capture module and central control module.Utilize the real time data of distance measuring sensor and camera collection, method programming is guided in central control module chip, make blind person by other pedestrians or object can not be bumped against during zebra crossing, ensure to continue to advance in the safety zone that blind person can also revert in the middle of zebra crossing after cut-through thing simultaneously.
Further, the box body of central control module circuit board is installed in the middle of bottom handbarrow involved in the present invention, the box body of central control module circuit board is installed in the middle of bottom described handbarrow, the handbarrow front body of rod is provided with 2 distance measuring sensors, the handbarrow both sides body of rod is separately installed with 1 distance measuring sensor, in the middle of handbarrow front, the body of rod is provided with 1 photographic head, the handbarrow crown center body of rod is provided with 1 supply module switch.
Further, central control module involved in the present invention comprises power supply circuits module, clock crystal oscillator module, reset circuit module, voice cue module.
Further, distance measuring sensor involved in the present invention is connected with central control module by the inner wire harness of the body of rod with photographic head, and carries out the transmission of signal and data.
Further, bootstrap technique involved in the present invention, blind person promote handbarrow go across the road time, opening power gauge tap, whether have barrier, and the distance of distance barrier if detecting front in real time by distance measuring sensor.
Further, bootstrap technique involved in the present invention, when front clear being detected, by photographic head identification zebra crossing zone line, guides blind safety to pass through zebra crossing.
Further, bootstrap technique involved in the present invention, when detecting that there is barrier in front and distance is less than certain threshold value, utilizes distance measuring sensor to detect left front and whether right front has barrier, by voice cue module reminding blind deflection certain angle, cut-through thing is advanced.
Further, bootstrap technique involved in the present invention, in cut-through thing traveling process, if advance deflection angle deficiency, is then continued to remind.
Further, bootstrap technique involved in the present invention, when after cut-through thing, see whether blind person is in zebra crossing zone line by photographic head identification zebra crossing, if not, then by photographic head identification zebra crossing, voice guide blind person walks at zebra crossing zone line; If so, then continue to guide blind person to advance.
The invention has the beneficial effects as follows: the real-time information collection by photographic head and distance measuring sensor of handbarrow and algorithm fusion, guiding blind person's cut-through thing when running into barrier by voice message, ensureing that it is walked in zebra crossing centre position simultaneously.
Compared with prior art, effect of the present invention is actively with obvious.The present invention can guide blind person to dodge barrier, and remains at the safety zone in the middle of zebra crossing.The present invention extremely contributes to the convenience improving the traffic trips such as blindman, work, friend-making, improves the autonomous viability of blind community, strengthens its life confidence, lives up significant for it.
Accompanying drawing explanation
Accompanying drawing 1 is handbarrow left side structure position view involved in the present invention;
Critical piece label declaration in figure: 4: distance measuring sensor.
Accompanying drawing 2 is handbarrow front involved in the present invention and right side structure position view;
Critical piece label declaration in figure: 1,2,3: distance measuring sensor; 5: photographic head; 6: central control module;
7: supply module switch; 8 car bodies.
Accompanying drawing 3 is handbarrow bootstrap technique flow charts involved in the present invention.
Detailed description of the invention
Below in conjunction with accompanying drawing 1-3 and embodiment, technical scheme of the present invention is described further and is described.The preferred embodiments of the present invention are not construed as limiting the invention.
A kind of blind safety that guides involved in the present invention is by the handbarrow of zebra crossing.By the distance measuring sensor 1 and 2 be arranged on the anterior body of rod of car body 8, photographic head 5, to be arranged on the left of car body 8 and distance measuring sensor 3 and 4 on the body of rod of right side, be arranged on the central control module 6 bottom car body 8, the supply module switch 7 being arranged on car body 8 top forms.
Guiding blind safety involved in the present invention is first programmed in central control module 6 by the handbarrow bootstrap technique of zebra crossing.Blind person promote handbarrow go across the road time, being connected by USB port with supply module by portable power source, opening supply module switch 7, whether have barrier, and the distance of distance barrier if detecting in real time front by distance measuring sensor 1 and 2.When front clear, identify zebra crossing zone line by photographic head 5, guide blind safety to pass through zebra crossing.When detecting that there is barrier in front and distance is less than certain threshold value, begin through distance measuring sensor 2 and 3 to detect left front and right front and whether have barrier, thus it is ready for walking around preceding object thing, such as find that left front does not have barrier, there is barrier right front, then advanced to left front by voice cue module reminding blind, in the process, if advance deflection angle deficiency, then continued to remind; When after cut-through thing, identify zebra crossing by photographic head 5, see whether blind person is in zebra crossing zone line, if not, then by photographic head identification zebra crossing, voice guide blind person walks at zebra crossing zone line; If so, then continue to guide blind person to advance.Repeat said process.
Zebra crossing zone line involved in the present invention, refers to the region of distance zebra crossing center line left and right certain distance.
Central control module involved in the present invention comprises power supply circuits module, clock crystal oscillator module, reset circuit module, voice cue module.
Distance measuring sensor involved in the present invention is connected with central control module by the inner wire harness of the body of rod with photographic head, and carries out the transmission of signal and data.
The optional ultrasonic sensor of distance measuring sensor 1,2,3,4 involved in the present invention.
The optional MK60DN512ZVLQ10 of chip of central control module 6 involved in the present invention.
The optional ISD4004 speech chip of chip of voice cue module involved in the present invention.
Central control module running voltage involved in the present invention is 3.3V.
Supply module involved in the present invention is connected with external power supply by the female mouth of USB, and by AMS1117-3.3 chip, external power supply voltage transitions is become 3.3V voltage, supply central control module.
Supply module involved in the present invention can be powered by common mobile phone power bank, portable power source can be taken home and carry out charging to use next time after being used to complete.
Involved in the present invention a kind of guide blind safety to pass through zebra crossing handbarrow and bootstrap technique, method programming is guided by the real time data of distance measuring sensor and camera collection, utilize the real time data of distance measuring sensor and camera collection, method programming is guided in central control module chip, blind person not only can be made by other pedestrians or object can not be bumped against during zebra crossing, simultaneously, can also ensure to continue to advance in the safety zone that blind person can also revert in the middle of zebra crossing after cut-through thing, substantially increase blind person by the comfortableness of zebra crossing and safety.
Claims (10)
1. the handbarrow guiding blind safety to pass through zebra crossing and bootstrap technique thereof, it is characterized in that: described handbarrow consists of 4 range finder modules be installed on it, 1 zebra crossing image capture module and central control module, utilize the real time data of distance measuring sensor and camera collection, method programming is guided in central control module chip, make blind person by other pedestrians or object can not be bumped against during zebra crossing, ensure to continue to advance in the safety zone that blind person can also revert in the middle of zebra crossing after cut-through thing simultaneously.
2. handbarrow according to claim 1, it is characterized in that: the box body being provided with central control module circuit board in the middle of bottom described body of handcart, the handbarrow front body of rod is provided with 2 distance measuring sensors, the handbarrow both sides body of rod is separately installed with 1 distance measuring sensor, in the middle of handbarrow front, the body of rod is provided with 1 photographic head, the handbarrow crown center body of rod is provided with 1 supply module switch.
3. central control module according to claim 1, is characterized in that: comprise power supply circuits module, clock crystal oscillator module, reset circuit module, voice cue module.
4. supply module according to claim 3 is connected with external power supply by the female mouth of USB.
5. distance measuring sensor according to claim 1 and photographic head, is characterized in that: wire harness is connected with central control module by body of rod inside, and carries out the transmission of signal and data.
6. bootstrap technique according to claim 1, is characterized in that: blind person promote handbarrow go across the road time, opening power gauge tap, whether detect front in real time by distance measuring sensor has barrier, and distance barrier distance.
7. bootstrap technique according to claim 1, is characterized in that: when front clear being detected, by photographic head identification zebra crossing zone line, guides blind safety to pass through zebra crossing.
8. bootstrap technique according to claim 1, it is characterized in that: when detecting that there is barrier in front and distance is less than certain threshold value, distance measuring sensor detection left front and right front is utilized whether to have barrier, by voice cue module reminding blind deflection certain angle, cut-through thing is advanced.
9. bootstrap technique according to claim 7, is characterized in that: in cut-through thing traveling process, if advance deflection angle deficiency, is then continued to remind, until reach enough cut-through things.
10. bootstrap technique according to claim 1, it is characterized in that: when after cut-through thing, see whether blind person is in zebra crossing zone line by photographic head identification zebra crossing, if not, then by photographic head identification zebra crossing, voice guide blind person walks at zebra crossing zone line, if so, then continues to guide blind person to advance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201510365528.3A CN104887465A (en) | 2015-06-29 | 2015-06-29 | Trolley for blind person and guiding method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510365528.3A CN104887465A (en) | 2015-06-29 | 2015-06-29 | Trolley for blind person and guiding method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106344357A (en) * | 2016-10-21 | 2017-01-25 | 张磊 | Electronic blind guiding cart and blind guiding method |
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|---|---|---|---|---|
| US20120112876A1 (en) * | 2009-07-13 | 2012-05-10 | Ji Hoon Kim | Road guide apparatus for a visually impaired person |
| CN202497412U (en) * | 2012-01-18 | 2012-10-24 | 李忠孝 | Blind guide cart |
| CN103720573A (en) * | 2012-10-10 | 2014-04-16 | 成都掌握移动信息技术有限公司 | Intelligent blind-guide trolley based on infrared sensing technique |
| CN104173174A (en) * | 2014-08-22 | 2014-12-03 | 河海大学常州校区 | Portable walking aid blind guide device and method |
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2015
- 2015-06-29 CN CN201510365528.3A patent/CN104887465A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20120112876A1 (en) * | 2009-07-13 | 2012-05-10 | Ji Hoon Kim | Road guide apparatus for a visually impaired person |
| CN202497412U (en) * | 2012-01-18 | 2012-10-24 | 李忠孝 | Blind guide cart |
| CN103720573A (en) * | 2012-10-10 | 2014-04-16 | 成都掌握移动信息技术有限公司 | Intelligent blind-guide trolley based on infrared sensing technique |
| CN104173174A (en) * | 2014-08-22 | 2014-12-03 | 河海大学常州校区 | Portable walking aid blind guide device and method |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106344357A (en) * | 2016-10-21 | 2017-01-25 | 张磊 | Electronic blind guiding cart and blind guiding method |
| CN106344357B (en) * | 2016-10-21 | 2019-01-18 | 张磊 | A kind of electronics Shallow for guiding blind person and blind-guiding method |
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Application publication date: 20150909 |