CN104306139A - Blind people going out voice assisting tactile stick system based on RFID and navigation method of blind people going out voice assisting tactile stick system - Google Patents
Blind people going out voice assisting tactile stick system based on RFID and navigation method of blind people going out voice assisting tactile stick system Download PDFInfo
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- CN104306139A CN104306139A CN201410572824.6A CN201410572824A CN104306139A CN 104306139 A CN104306139 A CN 104306139A CN 201410572824 A CN201410572824 A CN 201410572824A CN 104306139 A CN104306139 A CN 104306139A
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Abstract
The invention discloses a blind people going out voice assisting tactile stick system based on an RFID and a navigation method of the blind people going out voice assisting tactile stick system. The system comprises an RFID label disposed at a blind sidewalk intersection, a hardware part disposed on a tactile stick and a smart phone matched with the hardware part during operation. The hardware part comprises an RFID read-write device module, a single-chip microcomputer, a Bluetooth module, a switch button and a rechargeable battery. The smart phone comprises a navigation application module. The navigation method includes: the data information of geographic location names is saved in the RFID label, and the RFID read-write device module reads the data information of the RFID label and transmits the data information to the single-chip microcomputer; the single-chip microcomputer processes the data information to obtain the geographic location name information and wirelessly transmits the same to the matched smart phone through the Bluetooth module; the navigation application module of the smart phone calls and plays the voice file corresponding to codes of the RFID label according to the coding sequence of the received RFID label to complete navigation. The blind people going out voice assisting tactile stick system is simple in structure, low in manufacturing cost and good in navigation effect.
Description
Technical field
The invention belongs to communication and navigation technical field, particularly blind person stick system and air navigation aid thereof assisted in a kind of blind person based on RFID voice of going on a journey.
Background technology
Nowadays the coverage rate of sidewalk for visually impaired people is very high, but owing to building lack of standardization in some sidewalk for visually impaired people, and the particular location of telling its place of blind person is not also accomplished in sidewalk for visually impaired people now, and the blind person of busy road trip therefore really can be used little.The method of current domestic solution blind person trip has and uses that seeing-eye dog guides, the guide equipment of ultrasonic listening formula blind man's stick and some independent researches, but it is high that seeing-eye dog raises and train cost, and whether the region such as subway allows seeing-eye dog to enter still to there is dispute, and ultrasonic listening examination blind man's stick can only be responded to front and whether has barrier, the position residing for user can not be embodied, in addition the guide equipment of independent research is also immature, and cost is high, can not popularize very soon.
Summary of the invention
The object of the present invention is to provide a kind of safe and reliable, structure simple, blind person stick system and air navigation aid thereof assisted in the cheap blind person based on RFID voice of going on a journey.
The technical solution realizing the object of the invention is: blind person stick system assisted in a kind of blind person based on RFID voice of going on a journey, comprise be arranged on sidewalk for visually impaired people crossing intersection part RFID label tag, be arranged on hardware components on blind man's stick and coordinate the smart mobile phone of blind man's stick hardware components work, the hardware components of described blind man's stick comprises rfid interrogator module, single-chip microcomputer, bluetooth module, shift knob and rechargeable battery, and described rfid interrogator module, rechargeable battery, bluetooth module all access single-chip microcomputer; Described smart mobile phone comprises navigation application module;
Stored in the data message of geographic position name in described RFID label tag, rfid interrogator module reads the data message of RFID label tag by wireless radio-frequency and is sent to single-chip microcomputer; Single-chip microcomputer processes the geographic position name information obtaining this RFID label tag site to the data message read, and by bluetooth module, the geographic position name information wireless of gained is sent to supporting smart mobile phone; The navigation application module of smart mobile phone receives and stores the geographic position name information of RFID label tag, according to the coded sequence of received RFID label tag, call and play the voice document corresponding to this coding, finally enabling blind person hear the geographical location information of self present position.
The air navigation aid of blind person stick system assisted in blind person based on RFID voice of going on a journey, and comprises the following steps:
Step 1, the blind brick of subway sidewalk for visually impaired people crossing arranges the RFID label tag having this location geographic location name information, blind man's stick arranges rfid interrogator module, single-chip microcomputer, bluetooth module and rechargeable battery, navigation application module is installed in supporting smart mobile phone;
Step 2, starts working the energising of the hardware components of blind man's stick, opens the navigation application module of smart mobile phone simultaneously, and open the bluetooth of smart mobile phone, to be matched by mobile phone be connected by Bluetooth function with the bluetooth module on blind man's stick;
Step 3, rfid interrogator module reads the data message of RFID label tag by wireless radio-frequency and is sent to single-chip microcomputer;
Step 4, single-chip microcomputer processes the geographic position name information obtaining this RFID label tag site to the data message read, and by bluetooth module, the geographic position name information wireless of gained is sent to supporting smart mobile phone;
Step 5, the navigation application module of smart mobile phone receives and stores the geographic position name information of RFID label tag, according to the coded sequence of received RFID label tag, calls and plays the voice document corresponding to this coding;
Step 6, repeats step 3 ~ 5, until blind person hears the geographical location information of self present position and finally completes navigation.
Compared with prior art, its remarkable advantage is in the present invention: (1) cost performance is higher: on the blind brick of subway sidewalk for visually impaired people infall, only mount the RFID label tag that can store geographical location information can complete laying, its unit price is 1 yuan and often opens, extremely cheap; Because blind person walking when sidewalk for visually impaired people linear section without the need to pointing out positional information, therefore only this RFID label tag being set at flex point place, sidewalk for visually impaired people or sidewalk for visually impaired people crossing, greatly reducing the cost that this covering device is laid like this; (2) simply explain in precise term positional information: utilize the rfid interrogator module be arranged on bottom blind man's stick to read in the information that on the blind brick of subway sidewalk for visually impaired people infall, attachment can store in the RFID label tag of geographical location information, and by bluetooth module, the geographical location information in RFID label tag is reached in mobile phone vertical application, therefore more accurately understandable; (3) hardware components is mounted on Arduino UNO R3 single-chip microcomputer, its mobile phone dedicated application program is mounted on Android mobile phone platform, benefit secondary development in the future, this mobile phone dedicated software connects 3G or 4G network by mobile phone, and can infinitely expand, be associated with other sensors on subway station or street, can internet of things be formed; (4) TTS speech synthesis system can be added, reduce the phone memory that audio file takies; With high moral map and drip the company such as to call a taxi and cooperate, the comprehensive cell phone map service class application software that bonded products becomes better, service face is wider.
Below in conjunction with accompanying drawing, the present invention is described in further detail.
Accompanying drawing explanation
Fig. 1 is that the structural representation of blind person stick system assisted in the blind person that the present invention is based on RFID voice of going on a journey.
Fig. 2 is that the flow chart of blind person stick system air navigation aid assisted in the blind person that the present invention is based on RFID voice of going on a journey.
Detailed description of the invention
Composition graphs 1, blind person stick system assisted in the blind person that the present invention is based on RFID voice of going on a journey, comprise be arranged on sidewalk for visually impaired people crossing intersection part RFID label tag, be arranged on hardware components on blind man's stick and coordinate the smart mobile phone of blind man's stick hardware components work, the hardware components of described blind man's stick comprises rfid interrogator module, single-chip microcomputer, bluetooth module, shift knob and rechargeable battery, and described rfid interrogator module, rechargeable battery, bluetooth module all access single-chip microcomputer; Described smart mobile phone comprises navigation application module;
Stored in the data message of geographic position name in described RFID label tag, rfid interrogator module reads the data message of RFID label tag by wireless radio-frequency and is sent to single-chip microcomputer; Single-chip microcomputer processes the geographic position name information obtaining this RFID label tag site to the data message read, and by bluetooth module, the geographic position name information wireless of gained is sent to supporting smart mobile phone; The navigation application module of smart mobile phone receives and stores the geographic position name information of RFID label tag, according to the coded sequence of received RFID label tag, call and play the voice document corresponding to this coding, finally enabling blind person hear the geographical location information of self present position.
The rfid interrogator module of described blind man's stick hardware components adopts PN532, single-chip microcomputer to adopt Arduino UNO R3, bluetooth module employing BT-HC05-V1.0.Described RFID label tag is arranged on the center on blind brick surface, intersection, sidewalk for visually impaired people.The position of described rfid interrogator module installation upwards 4 ~ 8cm bottom blind man's stick; Described bluetooth module, single-chip microcomputer, rechargeable battery are fixed on the first half of blind man's stick successively from top to bottom; Described shift knob is arranged on blind man's stick handgrip part and thumb can by arriving.The navigation application module of described smart mobile phone comprises audio file, and described audio file comprises the positional information that current position information and two, intersection direction of advance will arrive.Described audio file is the MP3 format audio frequency recorded.
Composition graphs 2, the air navigation aid of blind person stick system assisted in the blind person that the present invention is based on RFID voice of going on a journey, and comprises the following steps:
Step 1, the blind brick of subway sidewalk for visually impaired people crossing arranges the RFID label tag having this location geographic location name information, blind man's stick arranges rfid interrogator module, single-chip microcomputer, bluetooth module and rechargeable battery, navigation application module is installed in supporting smart mobile phone; In described RFID label tag stored in geographic position name information according to the sequential encoding in province, city, cross point, sidewalk for visually impaired people, district;
Step 2, starts working the energising of the hardware components of blind man's stick, opens the navigation application module of smart mobile phone simultaneously, and open the bluetooth of smart mobile phone, to be matched by mobile phone be connected by Bluetooth function with the bluetooth module on blind man's stick;
Step 3, rfid interrogator module reads the data message of RFID label tag by wireless radio-frequency and is sent to single-chip microcomputer;
Step 4, single-chip microcomputer processes the geographic position name information obtaining this RFID label tag site to the data message read, and by bluetooth module, the geographic position name information wireless of gained is sent to supporting smart mobile phone;
Step 5, the navigation application module of smart mobile phone receives and stores the geographic position name information of RFID label tag, according to the coded sequence of received RFID label tag, calls and plays the voice document corresponding to this coding; To encode described in the voice document of described navigation application module and RFID label tag one_to_one corresponding;
Step 6, repeats step 3 ~ 5, until blind person hears the geographical location information of self present position and finally completes navigation.
Embodiment 1
The present embodiment, for subway scene, is described in further details the present invention.
Blind person stick system and air navigation aid thereof assisted in the blind person that the present invention is based on RFID voice of going on a journey, its hardware unit comprises rfid interrogator module (PN532), single-chip microcomputer (Arduino UNO R3), bluetooth module (BT-HC05-V1.0), rechargeable battery, also has the smart mobile phone coordinating blind man's stick hardware effort in addition.For coordinating the work of blind man's stick hardware components, being provided with in smart mobile phone and can processing by Bluetooth receptions information and call the mobile phone dedicated application program and navigation application module of playing corresponding voice document.
The installation of step 1, RFID label tag: attachment has the RFID label tag of this location geographic information on the blind brick of subway sidewalk for visually impaired people infall;
The installation of step 2, blind man's stick hardware device: install rfid interrogator module (PN532), single-chip microcomputer (Arduino UNO R3), bluetooth module (BT-HC05-V1.0), rechargeable battery on the blind man's stick that blind person uses;
The installation of step 3, application program of mobile phone: download in the smart mobile phone that blind person uses and install special application program of mobile phone;
Step 4, system ready: the hardware device of blind man's stick is energized and starts working, open mobile phone vertical application simultaneously and open Bluetooth function, pairing connects the bluetooth module (BT-HC05-V1.0) with single-chip microcomputer (Arduino UNO R3);
Step 5, reading geography information: single-chip microcomputer (Arduino UNO R3) reads FRID label information by rfid interrogator module (PN532); FRID label information is such as: " 44 42 44 62 00FF 00FF ";
Step 6, transmission geography information are to application program of mobile phone: single-chip microcomputer (Arduino UNO R3) sends FRID label information in the vertical application of smart mobile phone by bluetooth module (BT-HC05-V1.0); The information that bluetooth module sends is such as: " 44 n ";
Step 7, mobile phone dedicated application program receive and storing information: the mobile phone dedicated application software of smart mobile phone receives FRID label information by bluetooth service and uses memory storage FRID label information; The information of Bluetooth receptions is such as: " 44 n ";
Step 8, mobile phone dedicated application program judge according to information: the mobile phone dedicated application software of smart mobile phone judges current location according to the FRID label information stored, and determines path according to the sequencing that the reading of FRID label information arranges; The address such as previously stored is: " 41 n 42 n 43 n " adds that the new information received forms new sequence is that " 41 n42 n 43 n 44 n " this information represents the ABDE key point that have passed subway;
In described RFID label tag stored in geographic position name information according to the sequential encoding in province, city, cross point, sidewalk for visually impaired people, district, one_to_one corresponding of encoding described in the voice document of described navigation application module and RFID label tag.Coded method adopts technology ripe at present, as the method for numbering serial, patent " a kind of city-street numbering method (patent No.: 200510086558.7, the applying date: 2005-09-30) " etc. of high moral map.
The mobile phone dedicated application software of step 9, smart mobile phone calls according to the judged result of step 8 and plays the corresponding audio file matched; Such as information represents the ABDE key point that have passed subway, now calls corresponding ABDE.mp3 audio file, and audio file content is for " you have arrived XXX station, and front is staircase, please be careful! "
Step 10, repetition step 5-9, until leave subway station, complete navigation;
Step 11, if necessary extraneous information, can press the button of blind person's handgrip part, and the mobile phone dedicated application software of smart mobile phone calls according to the judged result of step 8 and plays corresponding extraneous information audio file; Extraneous information audio file content is specially: the main communal facility of current site periphery and main social place, take dead ahead as inceptive direction during prompting, introduce successively according to clock-wise order.Such as: " current site is that XXX subway A exports, just to your direction be north, main social place, this direction is XXXX shopping center; the right is XX bank, after one's death note have crossroad, main social place is KFC; the left side is road, and main place is XXX mansion.Information finishes playing.”
Step 12, smart mobile phone mobile phone dedicated application software cleaning internal storage data.
As shown in Figure 1, the blind person that the present invention is based on RFID voice of going on a journey assist blind person stick system, operation of can networking, and a lot of adventitious sound frequency file as required from web download, can carry out the renewal etc. of mobile phone dedicated application program; In addition, follow-up expansion can also be realized, with high moral map and cooperations such as calling a taxi can be dripped.Server provides the such as resource such as adventitious sound frequency file, program upgrade file to mobile phone dedicated application program, also can carry out follow-up expansion.
Claims (8)
1. blind person stick system assisted in the blind person based on RFID voice of going on a journey, it is characterized in that, comprise be arranged on sidewalk for visually impaired people crossing intersection part RFID label tag, be arranged on hardware components on blind man's stick and coordinate the smart mobile phone of blind man's stick hardware components work, the hardware components of described blind man's stick comprises rfid interrogator module, single-chip microcomputer, bluetooth module, shift knob and rechargeable battery, and described rfid interrogator module, rechargeable battery, bluetooth module all access single-chip microcomputer; Described smart mobile phone comprises navigation application module;
Stored in the data message of geographic position name in described RFID label tag, rfid interrogator module reads the data message of RFID label tag by wireless radio-frequency and is sent to single-chip microcomputer; Single-chip microcomputer processes the geographic position name information obtaining this RFID label tag site to the data message read, and by bluetooth module, the geographic position name information wireless of gained is sent to supporting smart mobile phone; The navigation application module of smart mobile phone receives and stores the geographic position name information of RFID label tag, according to the coded sequence of received RFID label tag, call and play the voice document corresponding to this coding, finally enabling blind person hear the geographical location information of self present position.
2. blind person stick system assisted in the blind person based on RFID according to claim 1 voice of going on a journey, it is characterized in that, the rfid interrogator module of described blind man's stick hardware components adopts PN532, single-chip microcomputer to adopt Arduino UNO R3, bluetooth module employing BT-HC05-V1.0.
3. blind person stick system assisted in the blind person based on RFID according to claim 1 voice of going on a journey, and it is characterized in that, described RFID label tag is arranged on the center on blind brick surface, intersection, sidewalk for visually impaired people.
4. assist blind person stick system based on the blind person of RFID voice of going on a journey according to claim 1, it is characterized in that, the position of described rfid interrogator module installation upwards 4 ~ 8cm bottom blind man's stick; Described bluetooth module, single-chip microcomputer, rechargeable battery are fixed on the first half of blind man's stick successively from top to bottom; Described shift knob is arranged on blind man's stick handgrip part and thumb can by arriving.
5. blind person stick system assisted in the blind person based on RFID according to claim 1 voice of going on a journey, it is characterized in that, the navigation application module of described smart mobile phone comprises audio file, and described audio file comprises the positional information that current position information and two, intersection direction of advance will arrive.
6. blind person stick system assisted in the blind person based on RFID according to claim 5 voice of going on a journey, and it is characterized in that, described audio file is the MP3 format audio frequency recorded.
7. assist the air navigation aid of blind person stick system based on the blind person of RFID voice of going on a journey, it is characterized in that, comprise the following steps:
Step 1, the blind brick of subway sidewalk for visually impaired people crossing arranges the RFID label tag having this location geographic location name information, blind man's stick arranges rfid interrogator module, single-chip microcomputer, bluetooth module and rechargeable battery, navigation application module is installed in supporting smart mobile phone;
Step 2, starts working the energising of the hardware components of blind man's stick, opens the navigation application module of smart mobile phone simultaneously, and open the bluetooth of smart mobile phone, to be matched by mobile phone be connected by Bluetooth function with the bluetooth module on blind man's stick;
Step 3, rfid interrogator module reads the data message of RFID label tag by wireless radio-frequency and is sent to single-chip microcomputer;
Step 4, single-chip microcomputer processes the geographic position name information obtaining this RFID label tag site to the data message read, and by bluetooth module, the geographic position name information wireless of gained is sent to supporting smart mobile phone;
Step 5, the navigation application module of smart mobile phone receives and stores the geographic position name information of RFID label tag, according to the coded sequence of received RFID label tag, calls and plays the voice document corresponding to this coding;
Step 6, repeats step 3 ~ 5, until blind person hears the geographical location information of self present position and finally completes navigation.
8. the air navigation aid of blind person stick system assisted in the blind person based on RFID according to claim 7 voice of going on a journey, it is characterized in that, in described RFID label tag stored in geographic position name information according to the sequential encoding in province, city, cross point, sidewalk for visually impaired people, district, one_to_one corresponding of encoding described in the voice document of described navigation application module and RFID label tag.
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Application publication date: 20150128 |