CN1316950C - Walking assistant gear for dysopsia person - Google Patents
Walking assistant gear for dysopsia person Download PDFInfo
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- CN1316950C CN1316950C CNB2004100668014A CN200410066801A CN1316950C CN 1316950 C CN1316950 C CN 1316950C CN B2004100668014 A CNB2004100668014 A CN B2004100668014A CN 200410066801 A CN200410066801 A CN 200410066801A CN 1316950 C CN1316950 C CN 1316950C
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Abstract
The present invention relates to a walk aiding device for visual handicapped persons, which comprises radio frequency card type volume labels storing codes of address information of the positions of the volume labels, a microprocessor, a reader used for demodulating and decoding the codes of the volume labels, a pair of earphones, an antenna, a storage for storing position information, peripheral building information, road information, attention information and volume label numbers, which correspond to various code information of the volume labels, and a volume label setting system, wherein the volume labels are continuously arranged on a road at regular intervals, and the microprocessor receives the codes of the volume labels, which are output by the reader, calculates various kinds of information which corresponds to the code information of the volume labels and is preset in the storage, converts various information into voice information and outputs the speech information to a voice output interface. The voice output interface is connected with the earphones. The present invention provides a walk aiding device for visual handicapped persons, which can eliminate the feelings of insecurity and inconvenience of visual handicapped persons when the visual handicapped persons walk out.
Description
(1) technical field
The invention belongs to the application in welfare society of less radio-frequency RFID technology and information technology, being applicable to needs to obtain safety, weak population friendly, that lead the way and support easily in the visually impaired person the street walking outside.
(2) background technology
Visually impaired person is when going out walking at present, be to be used as the information of leading the way with the sensory information beyond the vision, utilize the head of crutch that visually impaired person is held to explore the difference of inducing piece and ground shape of the visually impaired person special use of laying on the ground, explore while walking.This visually impaired person special use induce that piece lays what can reflect the height of welfare society's level in a city, to visually impaired person go out to walk bring some are convenient.Some visually impaired person utilizes blind dog to lead the way.But the normal person compares with vision, when going out, visually impaired person also exists many inconvenience and unsafe factor, be difficult to the same some important walking information that obtain with the vision normal person, such as at present position, the place ahead at my place be where, near what building is arranged, go ahead and will note what problem or the like information.
RFID is the abbreviation of English " Radio Frequency Identification ", and Chinese is called less radio-frequency identification, induction type electronic chip or closely connects card, contactless card, non-contact card ... or the like, be a kind of of contactless automatic identification technology.The simplest rfid system is made up of label (Tag), reader (Reader) and antenna (Antenna) three parts: after label enters field region, the reader that receives sends signal, rely on the energy that faradic current obtained to send out information (the Passive Tag that is stored in the chip, the non-transformer label or claim passive label), after reader reads information and decoding, deliver to information system and carry out relevant processing, need other software and hardware support in the practical application.The RFID characteristic of utilizing among the present invention mainly contains: 1) data write (Read Write) function, as long as can not need contact by RFID Reader, directly read message; 2) easy miniaturization and diversified shape, RFID is not subjected to the restriction of size and shape on reading; 3) environment resistant, RFID but has powerful pollution resistance to materials such as water, oil and medicines.RFID also can read data among dark or dirty environment; 4) reusable, because RFID is an electronic data, can be written repeatedly, therefore can reclaim label and reuse.As passive type RFID, do not need battery just can use, there are not the needs of maintaining; 5) penetrance, if RFID is by the words of nonmetal or nontransparent material coating such as paper, timber and plastics.Also can carry out the penetrance communication; 6) memory capacity of data is big, and data capacity can enlarge along with the development of memory specification, can not be restricted this RFID.
Before the present invention makes to visually impaired person to go out to walk mainly be to induce piece, crutch or blind dog to lead the way to support by the visually impaired person special use of laying on the upper ground surface of street.These methods also exist many inconvenience and unsafe factor to visually impaired person when going out, that lays the visually impaired person special use in addition on the ground in street induces the block cost height, and some is local to be difficult to lay this piece of inducing owing to be subjected to the restriction of position.Therefore how by RFID technology and information technology weak populations such as visually impaired person being gone out walking outside provides the service of leading the way and helps, to the quality of life, the welfare society's level that promotes China that improve weak populations such as visually impaired person, reflect government's administration theory that people-oriented, set up good international influence positive effect is arranged.
(3) summary of the invention
In order to overcome the low deficiency of use inconvenience, safety of walking assistant gear for dysopsia person in the prior art, the invention provides a kind of insecurity and inconvenience sense that has when eliminating visually impaired person and going out to walk outside, equally also can obtain the walking assistant gear for dysopsia person of the walking information service the same in the process of walking by device with the vision normal person.
The technical scheme that the present invention takes for its technical problem of solution is:
A kind of walking assistant gear for dysopsia person, include the coding that is used to deposit the on-site address information of label frequency card type label, microprocessor, be used for to the coding of label carry out the demodulation sign indicating number reader, earphone, antenna, be used to deposit various self encoding information corresponding position information, surrounding building information with label, the memorizer and the label of road information, attention information and label numbering are provided with system, and described label is positioned at a certain distance the road continuously; Described microprocessor receives the label coding of described reader output, and calculate and corresponding positional information, surrounding building information, road information, attention information and the label numbering that is preset in the memorizer of label self encoding information, and described various information are translated into voice messaging, output to the voice output interface; Described voice output interface is connected with described earphone.
Further, described label coding comprise absolute position encoder, be used to represent from the relative position of setting the coordinate central point logic mark code, be used for natural number coding, cross road information coding from the label numbering of the origin-to-destination of road; Described label is encoded to the coding of 23 figure places; Absolute position encoder is the most preceding 6, and wherein the 1st to the 3rd bit representation longitude, and the 4th to the 6th bit representation latitude; Logic mark code is the 7th to 17, be divided into A with the described former zone of naming a person for a particular job, B, C, 4 quadrant districts of D, the quadrant district at the starting point place of the 7th bit representation road, the x that represents the two ends, street with 4 bit digital, the y coordinate, the 8th x coordinate to the 9th bit representation street starting point, the 10th y coordinate to the 11st bit representation street starting point, the quadrant district at the terminal point place of the 12nd bit representation road, the 13rd x coordinate to the 14th bit representation street terminal point, the 15th y coordinate to the 16th bit representation street terminal point, for two parallel and two ends x, the street that the y coordinate is identical is aided with lower case (a, b, c, d) order difference is represented with the 17th figure place; Natural number coding is the 18th to the 22nd, according to from south to north, ascending numbering from the east to the west, for road both sides street crossing is arranged, layout is carried out at single right two ends that extend to, a left side, for have only one-sided street crossing if adopt the odd number layout, in the right-hand employing even numbers layout of road at the left of road; Cross road information is encoded to the 23rd, and 0 expression does not have the cross road, 3 expression forks in the road, and 4 expressions, four cross road mouths, N represents that the place ahead is obstructed.
Further again, depositing in the described memorizer urban information corresponding with absolute position encoder, with urban road logic mark code road corresponding information, with the corresponding range information that begins from the road initial point of natural number coding, with the corresponding surrounding building information of the front three of logic mark code and natural number coding, with logic mark the corresponding walking of code and natural number coding note information, with the cross road information corresponding cross road information of encoding.
Described walking assisting system is wearing type or small-sized Luggage Cart type.Wearing type relatively adapts to the youngster of paying attention to appearance, small-sized Luggage Cart type then be adapted to hold article, senior people.
The present invention's beneficial effect compared with prior art mainly shows: 1, by means of walking assistant gear for dysopsia person, make visually impaired person can be as the vision normal person in the walking process on the road, the information that can obtain road information, positional information while walking, will note, simultaneously on the road surface or very convenient along the frequency card type label is set on the metope of road, do not need to lay the construction project of special induced of visually impaired person, insecurity when the elimination visually impaired person goes out to walk outside and inconvenience sense can provide comprehensive service for visually impaired person; 2, label adopts the RFID label, adopt non-contact automatic identification technology, obtaining energy after label enters field region is activated, send out the encoding information that is stored in the RFID label chip by means of the energy that faradic current obtained and give reader, after reader reads information and decoding, deliver to the processing that microprocessor is correlated with, RFID can directly read message, powerful pollution resistance is arranged, reusable, the memory capacity of data is big, and data capacity can enlarge along with the development of memory specification, can not be restricted this RFID.
(4) description of drawings
Fig. 1 is the basic comprising schematic diagram of walking assistant gear for dysopsia person of the present invention.
Fig. 2 is the partial schematic diagram that label of the present invention is provided with system.
Fig. 3 is the sketch map that the logic of the RF-type label among the embodiment marks the division quadrant of code.
Fig. 4 is the process chart of described walking assistant gear for dysopsia person.
(5) specific embodiment
The present invention is further illustrated below in conjunction with accompanying drawing.
With reference to Fig. 1, a kind of walking assistant gear for dysopsia person, include the frequency card type label 7 of the coding that is used to deposit the on-site address information of label, microprocessor 4, be used for the coding of label is carried out the reader 3 of demodulation sign indicating number, earphone 6, antenna 2, be used to deposit various self encoding information corresponding position information with label, surrounding building information, road information, the memorizer 4 and the label of attention information and label numbering are provided with system, described label is positioned at a certain distance the road continuously, and label is arranged on each road in city; Microprocessor 4 receives the label coding of described reader 3 outputs, and calculate and corresponding positional information, surrounding building information, road information, attention information and the label numbering that is preset in the memorizer of label self encoding information, and described various information are translated into voice messaging, output to the voice output interface; Described voice output interface is connected with described earphone 6.
The coding of label 7 comprises absolute position encoder, be used to represent from the relative position of setting initial point logic mark code, be used for natural number coding, cross road information coding from the label numbering of the origin-to-destination of road; Described label is encoded to the coding of 23 figure places; Absolute position encoder is the most preceding 6, and wherein the 1st to the 3rd bit representation longitude, and the 4th to the 6th bit representation latitude; Logic mark code is the 7th to 17, be divided into A with the described former zone of naming a person for a particular job, B, C, 4 quadrant districts of D, the quadrant district at the starting point place of the 7th bit representation road, the x that represents the two ends, street with 4 bit digital, the y coordinate, the 8th x coordinate to the 9th bit representation street starting point, the 10th y coordinate to the 11st bit representation street starting point, the quadrant district at the terminal point place of the 12nd bit representation road, the 13rd x coordinate to the 14th bit representation street terminal point, the 15th y coordinate to the 16th bit representation street terminal point, for two parallel and two ends x, the street that the y coordinate is identical is aided with lower case to be distinguished in proper order, represents with the 17th figure place; Natural number coding is the 18th to the 22nd, according to from south to north, ascending numbering from the east to the west, for road both sides street crossing is arranged, layout is carried out at single right two ends that extend to, a left side, for have only one-sided street crossing if adopt the odd number layout, in the right-hand employing even numbers layout of road at the left of road; Cross road information is encoded to the 23rd, and 0 expression does not have the cross road, 3 expression forks in the road, and 4 expressions, four cross road mouths, N represents that the place ahead is obstructed.
Depositing in the memorizer 4 urban information corresponding with absolute position encoder, with urban road logic mark code road corresponding information, with the corresponding direction of travel information of natural number coding, with the corresponding surrounding building information of the front three of logic mark code and natural number coding, with logic mark the corresponding walking of code and natural number coding note information, with the cross road information corresponding cross road information of encoding.
The walking assisting system is the wearing type wearing type, relatively adapts to the youngster of paying attention to appearance.And the walking assisting system also can be small-sized Luggage Cart type, small-sized Luggage Cart type then be adapted to hold article, senior people.
As shown in Figure 1 and in conjunction with Fig. 2, Fig. 3, Fig. 4, embodiment of the present invention and operation principle are: visually impaired person 1 hand-held walking assisting system, dispose antenna 2 in the walking assisting system, reader 3, memorizer 4, microprocessor 5, earphone 6, the walking assisting system can be designed to wearing type, also can be designed to small-sized Luggage Cart type, cohering RFID RF-type label 7 on the ground, street of entire city or on the wall along the street at a certain distance continuously, label 7 usefulness nonmetallic materials coat, in order to avoid damaged, label 7 numberings are named with 23 figure places, adopt the coordinate arranged mode, the absolute position in preceding 6 these places of bit representation, wherein go up 3 bit representation longitudes (representing) with angle, following 3 bit representation latitudes (representing) with angle, such as the data that obtain is 120030,120 expression east longitudes, 120 degree, 030 expression north latitude, 30 degree, city corresponding in the present embodiment is the Hangzhou; The urban information table that absolute position as shown in table 1 is relevant:
| 116040 | Beijing |
| 121031 | Shanghai City |
| 120030 | The Hangzhou |
| …… | …… |
Table 1
Logic mark code is the 7th to 17, these 11 are used for expression from intown relative position, referring to Fig. 2, its naming rule is: with significant position, city center is initial point, East and West direction is the x axle, the north-south is the y axle, the city is divided into A, B, C, 4 quadrant districts of D, consider that the megalopolis is in district radius 100km, the x (2 bit digital) that represents the two ends, street with 4 bit digital, y (2 bit digital) coordinate, for two parallel and two ends x, the street of y coordinate identical (coordinate points is at a distance of in the 1km scope) can be aided with a, b, c ... the order difference, for example if Hangzhou Yan Anlu is made as y axle (the north and south axle of Hangzhou), the belt North Road is made as x axle (the thing axle of Hangzhou), then the logic of Wen Sanlu mark can be expressed as D0202D0702a, from mark can directly read Wen Sanlu in the city center northwest (D district) on (martial arts circles square), the Wen Sanlu starting point is positioned at the city center westwards in the 2km, to the 2km of NATO, the Wen Sanlu terminal point is the northwest (D district) on (martial arts circles square) in the city center, about westwards 7km is to the 2km of NATO in the city center, what there was the square in the city center is the center with the square, and what do not have the square is the center with the famous building in city center; Referring to table 2, table 2 is the relevant path information table of logic mark code:
| D0202D0702a | Wen Sanlu is the northwest (D district) on (martial arts circles square) in the city center, the Wen Sanlu starting point is positioned at the city center westwards in the 2km, to the 2km of NATO, the Wen Sanlu terminal point is the northwest (D district) on (martial arts circles square) in the city center, about westwards 7km is to the 2km of NATO in the city center, and one kilometer parallel with Wen Sanlu with interior a street in addition. |
| …… | …… |
| …… | …… |
| …… | …… |
Table 2
Ensuing 5 are encoded to the Native digits coding, from the ascending numbering of the origin-to-destination of road, begin from nearest intown crossing to compile for the side street lane, for entering sub-district, hospital, park etc. the place of inlet is arranged, begin from south to north from the porch, ascending numbering from the east to the west, for road both sides street crossing is arranged, layout is carried out at single right two ends that extend to, a left side, for have only one-sided street crossing if adopt the odd number layout, in the right-hand employing even numbers layout of road at the left of road; Referring to table 3, table 4, table 3 is the relevant surrounding building information table of front three of logic mark code and natural number coding:
| D0202D0702a001 | Post and telecommunications hospital |
| D0202D0702a001 | Hangzhou television station |
| D0202D0702a020 | The museum of natural history, Zhejiang Province |
| …… | …… |
Table 3
Table 4 is the logic mark code attention walking information table relevant with natural number coding:
| D0202D0702a01810 | There is individual overline bridge at 1 meter, the place ahead, has 15 steps, about 0.3 meter of step width |
| D0202D0702a02010 | 1 meter, the place ahead is the step of walking downwards of overline bridge, have 15 steps, about 0.3 meter of step width, last step compares broad |
| D0202D0702a02110 | There is a big tree in the right forward side, please notes walking safety |
| …… | …… |
Table 4
Last bit representation cross road situation, 0 expression does not have the cross road, 3 expression forks in the road, 4 expressions, four cross road mouths, N represents that the place ahead is obstructed, by this coding scheme, can know oneself on Na Tiaolu, to walk, be the south or the north, just walk, at any old place toward what direction on the road, can both calculate the address that will look for should walk from which side, how far also having, the more important thing is, how soon urban development all need not change original number if changing, each label 7 numbering all is only, self encoding information in certain label 7 must be corresponding one by one with the information on the real road, is pre-written in the memory element of label 7 by the numbering of write device with 23 bit position information and road information, and cohering of the label 7 on the road is to arrange by above-mentioned rule.
When visually impaired person 1 is carrying the walking assisting system and is entering certain label 7 field region, label 7 obtains energy and is activated, label 7 sends self encoding information by label 7 built-in transmitting antennas, walking assisting system system reception antenna receives the carrier signal of sending from radio-frequency card, be sent to reader 3 through the antenna adjustments device, the signal of 3 pairs of receptions of reader carries out outputing in the microprocessor 5 behind the demodulation sign indicating number, depositing the urban information relevant in the memorizer 4 with the absolute position, which city just can get by preceding 6 latitude and longitude information is in up till now, what orientation, also depositing in the memorizer 4 and the relevant road information of urban road logic mark, such as the logic mark code that obtains in the Hangzhou is that D0202D0702a then represents to be on the Wen Sanlu, ensuing 5 natural number codings are if 00688, then represent from the right side of civilian three tunnel sections of beginning (Hu Shu crossing) about 68 meters, also depositing in the memorizer 4 and the relevant surrounding building information of preceding 3 of logic mark code+natural number coding (in 10 meters in the present location), can calculate 10 meters titles according to preceding 3 information of logic mark code+natural number coding that obtain with interior various buildings, also depositing in the memorizer 4 and the relevant attention information of logic mark code+natural number coding, can calculate the place ahead by this code of 16 whether step is arranged, if any the step words a few joint steps are arranged, be upwards or downward, how wide step have, to prevent that visually impaired person from dropping to, about the direction of travel problem, if 5 natural number codings that read in last time are 00686, these 5 natural number codings that read in are 00688, expression is to head west away from east orientation on Wen Sanlu so, 23 figure places are represented cross road situation, if last position is 4, expression then is one four cross road mouth, road information to obtaining then, positional information, surrounding building information and cross road information are organized into natural language, by the phonetic dictionary in the memorizer 4 result is translated into voice messaging then, tell the position at the present place of visually impaired person by earphone 6, where the place ahead is, near what building is arranged, the voice messagings such as will noting what problem of going ahead, the walking information service that visually impaired person is obtained.Adopting this method and device is the quality that has improved life to visually impaired person, solved visually impaired person in inconvenience of going out to run into often and unsafe problems, particularly utilizing communal facility, during situation such as park and hospital, recommended information by communal facility and each clinic of hospital in the pre-write memory 4, make visually impaired person can in time obtain suitable service, if necessary device can also write down the route that visually impaired person is gone out, the label price is very cheap at present in a word, the memory capacity of data is big, environment resistant good, the needs that do not have maintaining are very easy to be applied.
Claims (4)
1. walking assistant gear for dysopsia person, include the coding that is used to deposit the on-site address information of label frequency card type label, microprocessor, be used for to the coding of label carry out the demodulation sign indicating number reader, earphone, antenna, be used to deposit various self encoding information corresponding position information, surrounding building information with label, the memorizer and the label of road information, attention information and label numbering are provided with system, and described label is positioned at a certain distance the road continuously; Described microprocessor receives the label coding of described reader output, and calculate and corresponding positional information, the surrounding building information that is preset in the memorizer of label self encoding information, road information, attention information and label numbering, and described various information are translated into voice messaging, output to the voice output interface; Described voice output interface is connected with described earphone; It is characterized in that: described label coding comprises the city absolute position encoder, be used to represent from the relative position of setting the coordinate central point logic mark code, be used for natural number coding, cross road information coding from the label numbering of the origin-to-destination of road; Described label is encoded to the coding of 23 figure places;
Absolute position encoder is the most preceding 6, and wherein the 1st to the 3rd bit representation longitude, and the 4th to the 6th bit representation latitude; Logic mark code is the 7th to 17, be divided into A with the described former zone of naming a person for a particular job, B, C, D4 quadrant district, the quadrant district at the starting point place of the 7th bit representation road, the x that represents the two ends, street with 4 bit digital, the y coordinate, the 8th x coordinate to the 9th bit representation street starting point, the 10th y coordinate to the 11st bit representation street starting point, the quadrant district at the terminal point place of the 12nd bit representation road, the 13rd x coordinate to the 14th bit representation street terminal point, the 15th y coordinate to the 16th bit representation street terminal point, for two parallel and two ends x, the street that the y coordinate is identical is aided with lower case to be distinguished in proper order, represents with the 17th figure place;
Natural number coding is the 18th to the 22nd, according to from south to north, ascending numbering from the east to the west, for road both sides street crossing is arranged, road left side adopts odd number, right side to adopt even numbers to extend to the end to carry out layout, for have only one-sided street crossing if adopt the odd number layout, in the right-hand employing even numbers layout of road at the left of road;
Cross road information is encoded to the 23rd, and 0 expression does not have the cross road, 3 expression forks in the road, and 4 expressions, four cross road mouths, N represents that the place ahead is obstructed.
2. walking assistant gear for dysopsia person as claimed in claim 1 is characterized in that: depositing in the described memorizer urban information corresponding with absolute position encoder, with urban road logic mark code road corresponding information, with the corresponding range information that begins from the road initial point of natural number coding, with the corresponding surrounding building information of the front three of logic mark code and natural number coding, with logic mark the corresponding walking of code and natural number coding note information, with the cross road information corresponding cross road information of encoding.
3. walking assistant gear for dysopsia person as claimed in claim 2 is characterized in that: described walking assisting system is a wearing type.
4. walking assistant gear for dysopsia person as claimed in claim 2 is characterized in that: described walking assisting system is small-sized Luggage Cart type.
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| CNB2004100668014A CN1316950C (en) | 2004-09-29 | 2004-09-29 | Walking assistant gear for dysopsia person |
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| CNB2004100668014A CN1316950C (en) | 2004-09-29 | 2004-09-29 | Walking assistant gear for dysopsia person |
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| CN1316950C true CN1316950C (en) | 2007-05-23 |
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| CNB2004100668014A Expired - Fee Related CN1316950C (en) | 2004-09-29 | 2004-09-29 | Walking assistant gear for dysopsia person |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101816615B (en) * | 2010-02-26 | 2012-08-15 | 中山大学 | Blind guiding system |
| CN102389361B (en) * | 2011-07-18 | 2014-06-25 | 浙江大学 | Blindman outdoor support system based on computer vision |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5144294A (en) * | 1990-10-17 | 1992-09-01 | Ldj Industries, Inc. | Radio frequency message apparatus for aiding ambulatory travel of visually impaired persons |
| CN1173086A (en) * | 1996-01-17 | 1998-02-11 | 韩国移动通信株式会社 | Dialogic style RF guidance system for visually handicapped person and its control method |
| JP2003091794A (en) * | 2001-09-17 | 2003-03-28 | Nippon Avionics Co Ltd | Guide assisting system for visually impaired person |
| JP2003249880A (en) * | 2002-02-25 | 2003-09-05 | Tecdia Kk | White stick for non-contact rfid reader/writer |
-
2004
- 2004-09-29 CN CNB2004100668014A patent/CN1316950C/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5144294A (en) * | 1990-10-17 | 1992-09-01 | Ldj Industries, Inc. | Radio frequency message apparatus for aiding ambulatory travel of visually impaired persons |
| CN1173086A (en) * | 1996-01-17 | 1998-02-11 | 韩国移动通信株式会社 | Dialogic style RF guidance system for visually handicapped person and its control method |
| JP2003091794A (en) * | 2001-09-17 | 2003-03-28 | Nippon Avionics Co Ltd | Guide assisting system for visually impaired person |
| JP2003249880A (en) * | 2002-02-25 | 2003-09-05 | Tecdia Kk | White stick for non-contact rfid reader/writer |
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