CN109646258A - A kind of blind-guiding stick, blind guiding system and blind-guiding method - Google Patents

A kind of blind-guiding stick, blind guiding system and blind-guiding method Download PDF

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Publication number
CN109646258A
CN109646258A CN201910139730.2A CN201910139730A CN109646258A CN 109646258 A CN109646258 A CN 109646258A CN 201910139730 A CN201910139730 A CN 201910139730A CN 109646258 A CN109646258 A CN 109646258A
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CN
China
Prior art keywords
blind
user
information
guiding
guiding stick
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201910139730.2A
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Chinese (zh)
Inventor
李斌
吴兴龙
冯羽
梁晓剑
罗攀
沈荃文
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Southwest University of Science and Technology
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Southwest University of Science and Technology
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Publication date
Application filed by Southwest University of Science and Technology filed Critical Southwest University of Science and Technology
Priority to CN201910139730.2A priority Critical patent/CN109646258A/en
Publication of CN109646258A publication Critical patent/CN109646258A/en
Pending legal-status Critical Current

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Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61HPHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
    • A61H3/00Appliances for aiding patients or disabled persons to walk about
    • A61H3/06Walking aids for blind persons
    • A61H3/068Sticks for blind persons
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61HPHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
    • A61H3/00Appliances for aiding patients or disabled persons to walk about
    • A61H3/06Walking aids for blind persons
    • A61H3/061Walking aids for blind persons with electronic detecting or guiding means
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01SRADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S19/00Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
    • G01S19/38Determining a navigation solution using signals transmitted by a satellite radio beacon positioning system
    • G01S19/39Determining a navigation solution using signals transmitted by a satellite radio beacon positioning system the satellite radio beacon positioning system transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
    • G01S19/42Determining position
    • G01S19/48Determining position by combining or switching between position solutions derived from the satellite radio beacon positioning system and position solutions derived from a further system
    • GPHYSICS
    • G06COMPUTING; CALCULATING; COUNTING
    • G06KGRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K17/00Methods or arrangements for effecting co-operative working between equipments covered by two or more of main groups G06K1/00 - G06K15/00, e.g. automatic card files incorporating conveying and reading operations
    • G06K17/0022Methods or arrangements for effecting co-operative working between equipments covered by two or more of main groups G06K1/00 - G06K15/00, e.g. automatic card files incorporating conveying and reading operations arrangements or provisious for transferring data to distant stations, e.g. from a sensing device

Abstract

The present invention provides a kind of blind-guiding stick, blind guiding system and blind-guiding methods.The blind-guiding stick includes switch, handle, strut, input unit, master control system, obstacle avoidance system, navigation information acquisition device and tumble guard system.Blind guiding system includes the corresponding label information of RFID tag and satellite-signal geographical location information, the end intelligent subscriber and blind-guiding stick.Blind-guiding method obtains user's current geographic position information including the use of blind-guiding stick and receives user request information;User's current geographic position information and user request information are sent to blind-guiding stick;Blind-guiding stick carries out route planning according to information is received, and generates navigation information and navigates.Blind-guiding stick of the invention can provide more accurate navigation information for user, and covering region is wide;Traffic information constantly can be fed back to user when user goes on a journey and user information is fed back to other people;Blind guiding system is multiple functional, at low cost, and feasibility is high;Blind-guiding method fast response time, safe ready.

Description

A kind of blind-guiding stick, blind guiding system and blind-guiding method
Technical field
The present invention relates to technology for guiding blind fields, more particularly, are related to a kind of blind-guiding stick, blind guiding system and blind-guiding method.
Background technique
The Chinese government is always concerned about disabled person, payes attention to developing Undertakings for Disabled Persons.Over more than 20 years, China by take politics, A series of vital measures such as economy, law, administration ensure disabled person's right, improve disabled living quality of patients.It is passed through along with China Ji fast development and society general advance, numerous disabled persons' survival and development situation be improved significantly, society to deformity Deep variation has occurred in the idea of people, and the environment and condition that disabled person's equality participates in public life are also more and more superior.
According to national authority department statistics, China is the most country of world user, and there are about 500 general-purpose families, 12,300,000 amblyopias Crowd accounts for the 18% of whole world total number of users, and low visual acuity person more than 600 ten thousand, the oblique amblyope 10,000,000 of children, and adolescent myopia rate is flat Up to 40%, university student's rate of myopia is more than 70%.Meanwhile annual China increases 45 general-purpose families newly, expert points out, if current becomes Gesture continues to remain unchanged, and the user to the expected China of the year two thousand twenty will increase by 4 times.
User loses vision, this brings inconvenience to their study, work, life etc..Especially safety trip, Because cannot accurately and timely avoiding barrier, line direction cannot be identified, it is inconvenient to will lead to trip.Therefore, user goes on a journey alone When need the auxiliary of navigation device.Wherein, most traditional device is blind man's stick, by it tap ground come judge landform and whether It is dangerous.There is electronics blind man's stick again later, it extends investigative range using infrared sensing electronic technology and ultrasonic technology, But the range that they can be perceived is all very limited, Shang Buneng plays the role of guidance.With the development of science and technology, various to be based on The blind-guiding stick of GPS comes into being.It is position that user is presently in is determined by satellite, and cooperate corresponding algorithm come to User path appropriate out.But there are navigation accuracy is not high and user's operation difficulty for the digital navigations such as existing GPS positioning method Big problem, and in the unstable place of satellite-signal such as indoor channel, blind-guiding stick just cisco unity malfunction.
Therefore, designing a use and intelligent sound navigation blind guiding system that is multiple functional, meeting user demand is very It is necessary.
Summary of the invention
It is above-mentioned existing in the prior art it is an object of the present invention to solving for the deficiencies in the prior art One or more problems.Matched for example, one of the objects of the present invention is to provide one kind based on satellite positioning and Radio Frequency Identification Technology Close the blind-guiding stick used.
To achieve the goals above, an aspect of of the present present invention provides a kind of blind-guiding stick, and the blind-guiding stick may include out Pass, handle, strut, input unit, master control system, obstacle avoidance system, navigation information acquisition device and tumble guard system, In, the switch is set to the handle surfaces, can start or close the blind-guiding stick;One end of the strut and the hand Handle connection, the other end are provided with navigation information acquisition device;The input unit is set to the handle surfaces, can receive use Family instructs and user instruction is transmitted to master control system;The master control system is set on the handle or the strut, The master control system connects with the input unit, obstacle avoidance system, navigation information acquisition device and tumble guard system respectively It connects, road can be carried out according to receiving user instructions and reading user's geographical location information that the navigation information acquisition device obtains Line gauge draws and generates corresponding navigation information;The obstacle avoidance system is set to the strut surfaces, can measure user and obstacle Object distance and by the Distance Transmission to master control system to warn user's avoidance;The navigation information acquisition device includes and position The radio-frequency identification reader read module and satellite positioning module that RFID tag in blind way region is wirelessly connected, institute State radio-frequency identification reader read module and satellite positioning module can free switching, the navigation information acquisition device can obtain It takes family geographical location information and the location information is transmitted to master control system to generate navigation information;The tumble protection System is set on the handle or the strut, can acquire user action information and azimuth information and by the user action Information is transmitted to master control system, the master control system can be judged according to user action information user's direction of travel and whether It falls and issues signal.
In an exemplary embodiment of blind-guiding stick of the invention, the input unit may include voice input module And operation button, the voice input module and operation button are connect with the master control system, the operation button includes Navigate mode switching key, mono- key of SOS emergency key, key of calling a taxi, current location key, navigation key, give the correct time key and volume adjustment key.
In an exemplary embodiment of blind-guiding stick of the invention, the master control system may include processing unit, Output unit and storage unit, wherein the signal input part of the processing unit respectively with input unit, obstacle avoidance system, navigation Information acquisition device and the connection of tumble guard system, output end are connect with the output unit;The output unit includes language Sound module, communication module and cue module, can according to receive the obtained output signal of processing unit carry out voice broadcast, Communication and user's prompt;The storage unit is connect with the processing unit, being capable of stored voice message and user location letter Breath.
In an exemplary embodiment of blind-guiding stick of the invention, the obstacle avoidance system may include ultrasonic distance measurement mould Block and infrared distance measurement module, the tumble guard system include multiaxis gyroscope sensor.
It is described to lead in the case where satellite-signal is unstable in an exemplary embodiment of blind-guiding stick of the invention Information acquisition device navigate by switching to the radio-frequency identification reader read module to obtain user's geographical location information.
In an exemplary embodiment of blind-guiding stick of the invention, the blind-guiding stick further includes wired earphone interface and indigo plant Tooth earphone interface, the wired earphone interface and bluetooth headset interface are located at the surface of the handle, can receive the master control The voice messaging and user instruction is transmitted to master control system that system processed exports.
Another aspect provides a kind of blind guiding system, the blind guiding system may include RFID tag pair Label information and satellite-signal geographical location information, the end intelligent subscriber and the blind-guiding stick as described above answered, wherein the guide Cane is used to determine that user geographical location is believed according to the corresponding label information of RFID tag and satellite-signal geographical location information Breath receives user's request, and requests generation navigation information to navigate according to user's geographical location information and user;The intelligence Energy user terminal is connect with the blind-guiding stick, including end is used with him in personal end, and the personal end can provide friend-making, picture and text for user Identification and real-time traffic condition query, described he can be used in that other people and user's real-time position information are shared, electronics is enclosed with end Column, voice communication and help information are checked.
Another aspect of the invention provides a kind of blind-guiding method, and the method may include following steps: using as above The blind-guiding stick obtains user's current geographic position information and receives user request information;By user's current geographic position Information and user request information are sent to blind-guiding stick;The blind-guiding stick carries out route planning according to information is received, and generates corresponding Navigation information, navigated according to the navigation information.
In an exemplary embodiment of blind-guiding method of the invention, the method, which can also be included in, detects obstacle In the case where object, the blind-guiding stick puts voice reminder barrier evacuation by the way that vibration or voice reminder user are simultaneously outer simultaneously, if Barrier does not avoid actively, then the blind-guiding stick guidance user detours.
In an exemplary embodiment of blind-guiding method of the invention, the blind-guiding method can also be included in user's choosing It selects in the case of driving to destination, user is requested by bus by blind-guiding stick input, and blind-guiding stick obtains user's current geographic Location information, judges whether current location has ride site, if not having, guides user that ride site is gone to send by bus and to driver Request of calling a taxi and current location.
Compared with prior art, blind-guiding stick of the invention can pass through subsurface radio frequency identification (RFID) label and satellite system System obtains location information, and then more accurate navigation information is provided for user, and covering region is wide;It can go on a journey simultaneously in user When, traffic information constantly can be fed back to user and user information is fed back to other people;Blind guiding system function of the invention Complete, at low cost, feasibility is high;Blind-guiding method fast response time, safe ready.
Detailed description of the invention
By the description carried out with reference to the accompanying drawing, above and other purpose of the invention and feature will become more clear Chu, in which:
Fig. 1 shows the blind-guiding stick schematic diagram of an illustrative embodiment of the invention.
Fig. 2 shows the blind-guiding stick master control system schematic diagrames of an illustrative embodiment of the invention.
Fig. 3 shows the blind guiding system schematic diagram of an illustrative embodiment of the invention.
Appended drawing reference:
1, it switchs;2, handle;3, input unit;4, master control system;5, obstacle avoidance system;6, strut;7, navigation information obtains Take device;8, tumble guard system.
Specific embodiment
Hereinafter, blind-guiding stick according to the present invention, guide system will be described in detail in conjunction with attached drawing and exemplary embodiment System and blind-guiding method.
Fig. 1 shows the blind-guiding stick schematic diagram of an illustrative embodiment of the invention.Fig. 2 shows an example of the present invention The blind-guiding stick master control system schematic diagram of property embodiment.The blind guiding system that Fig. 3 shows an illustrative embodiment of the invention shows It is intended to.
An aspect of of the present present invention provides a kind of blind-guiding stick, in an exemplary embodiment of blind-guiding stick of the invention, As shown in Figure 1, shown blind-guiding stick includes switch 1, handle 2, input unit 3, master control system 4, obstacle avoidance system 5, strut 6, leads Navigate information acquisition device 7 and tumble guard system 8, wherein
The power supply that the switch 1 can be set in the surface or end of the handle 2, for controlling blind-guiding stick open or It closes.
One end of the strut 6 can be connect with the handle 2, and the navigation information acquisition device can be set in the other end 7.The strut 6 can be in certain radian with the handle 2, facilitate user that can preferably use the blind-guiding stick.
The input unit 3 can be set in 2 surface of handle, can receive the instruction of user and the finger that will be received Order is transmitted to master control system 4.
The master control system 4 can respectively with the input unit 3, obstacle avoidance system 5, navigation information acquisition device 7 with And tumble guard system 8 connects.The master control system 4 can receive the user instruction that the input unit 3 exports, Neng Goujie It receives the alarm signal that obstacle avoidance system 5 exports and signal is handled to warn user, navigation information acquisition device 7 can be received The user's geographical location information acquired, and instructed and generated according to the destination that user's geographical location information and user input Corresponding navigation routine navigation user can receive the user action information of the output of tumble guard system 8 to issue Call for assistance. The master control system 4 can be set on the handle 2 or strut 6.For example, the master control system 4 can be set in The surface of the handle 2 or strut 6.
The obstacle avoidance system 5 can be set on the surface of strut 6, for example, the medium position in strut 6 can be set.Institute State obstacle avoidance system can user go on a journey during measure front obstacle between user at a distance to prompt user to avoid hindering Object or alarm obstruction object is hindered to avoid user.
The navigation information acquisition device 7 can be located remotely from the end of the strut 6 of handle.The information of leading obtains dress Setting 7 may include radio frequency identification (RFID) reader read module and satellite positioning module.The RFID reader read module Free switching is able to carry out with satellite positioning module.The navigation information acquisition device 7 can obtain user geographical location letter It ceases and the location information is transmitted to master control system to generate navigation information.When user is located at the unstable area of satellite-signal When domain, blind man's stick can be switched to RFID reader read module by user, corresponding by the RFID label tag for reading current location Label information carries out geographical location information positioning and navigation.
The tumble guard system 8 can be set on handle 2 or strut 6, such as handle 2 or strut 6 is arranged in Internal or surface.The tumble guard system 8 can acquire the current movement of user and azimuth information is transferred to processing unit, Judge user's direction of travel and whether falls, feedback prompts and distress signals.
In the present embodiment, shell has can be set in the handle 2.The shell can be using TPE (thermoplastic elastic modeling Glue) it is made.Spiral bar shaped can be set with the surface of shell, concave point decorative pattern can play anti-skidding durable effect.The handle 2 In can be built-in with motor vibration device and power module, for example, motor vibration device can be 1030 flat motor vibrators.Institute Information warning can be provided for user by stating motor vibration device, for example, can incite somebody to action when obstacle avoidance system detects that there is barrier in front Signal is sent to the motor vibration device fed back in handle again after master control system to warn user.The power module is then whole A blind-guiding stick provides power supply, and power module band self-checking function, will call the police when battery capacity is too low, reminds user's charging or more Change battery.
In the present embodiment, the strut 6 can be made of aluminium alloy, and the density that can be realized blind-guiding stick is low, slightly High requirement.The strut can be set to the foldable shape of segmented, and can be coated with reflective material on the surface of the strut Material, can remind passerby to pay attention to avoiding.One end of the strut can be connect with handle threads, and the other end can be with the navigation Information acquisition device is threadedly coupled.
In the present embodiment, the shell of the navigation information acquisition device 7 can be made of nylon.For example, pa66 Buddhist nun Dragon is made, and the wearability of the boat information acquisition device and shock resistance can be made good, intensity is high.
In the present embodiment, the navigation information acquisition device 7 includes RFID reader read module and satellite positioning mould Block.The satellite positioning module can be double-frequency GPS module.Certainly, GPS satellite signal of the invention is without being limited thereto, such as can To be Beidou navigation satellite-signal.The RFID reader is mainly used in the ground such as the unstable interior of satellite-signal, basement The acquisition of Fang Jinhang geographical location information.In blind-guiding stick before use, can first be embedded in the navigation device of built-in RFID tag Subsurface identifies specific objective by radio signals and reads and writes related data.Satellite positioning module is mainly used in satellite letter Number stable place navigation.Further, the present invention uses double-frequency GPS system.The double-frequency GPS system can acquire L1 Two frequency range data of+L5 carry out fusion operation, and for routine use scene positioning accuracy up to 1-2m, positioning accuracy is higher.RFID is read Device and double-frequency GPS module combine the geographical location that may insure to obtain full region, can provide simultaneously for user more accurate Navigation information.
In the present embodiment, as shown in Figure 1, the switch 1 can be set in the end of handle 2.It is of course also possible to be arranged On the surface of handle 2.The conveying device 3 can be set in handle 2 by leading portion position.In the leading portion of the output device 3 Bracket can be set, the bracket can be used for being arranged and fix master control system 4 and tumble guard system 8.
In the present embodiment, the input unit 3 may include voice input module and operation button.The operation is pressed Key may include navigation mode switching key, mono- key of SOS emergency key, key of calling a taxi, current location key, navigation key, give the correct time key and sound Measure adjusting key etc..Certainly, operation button of the invention is without being limited thereto, such as operation button of the invention can also be beaten including wechat It opens using key etc..Further, the operation button can use braille.The navigation mode switching key can be used for certainly By switching RFID reader read module and satellite positioning module.The RFID reader read module and satellite positioning module can To work at the same time, can also work independently.Satellite positioning module monitors the stability of satellite-signal, when satellite-signal is unstable When, the master control system can prompt user to switch navigation mode, by navigation pattern switching to RFID reader read module. The navigation mode may be that setting is automatically switched, and RFID reader reading is directly automatically switched to when satellite-signal is unstable Modulus block carries out location navigation, can guarantee that user obtains accurate geographical location information in this way.
In the present embodiment, as shown in Fig. 2, the master control system 4 may include processing unit, output unit and deposit Storage unit.The processing unit can receive the external environmental information of the acquisition of obstacle avoidance apparatus 5, can receive the output of input unit 3 User's control instruction, can receive customer position information that navigation information acquisition device 7 acquires and can receive and fall The user movement status information that guard system 8 exports.The processing unit can be realized write-in and reading to storage unit, And to work such as the controls of output unit, and it can be realized the system operations of docking collection of letters breath.The processing unit can be with It is the MCU of ARM framework.The output unit can receive the signal message after processing unit processes, and issue corresponding instruction. The output unit may include voice module, communication module (gsm module) and cue module.The output unit can be right User carries out relevant prompt work, including send an SOS, to user or other people information etc. is provided.The voice mould Block can issue the user with speech prompt information.The communication module can pass through network and user or other people intelligent subscriber End is attached, for example, the end intelligent subscriber can be user or other people cell phone application.The cue module can be Flat motor vibration device.The storage unit can be connect with the processing unit, being capable of stored voice message and position Information.The storage unit can be EPROM or flash.
In the present embodiment, the obstacle avoidance system 5 may include ultrasound measurement module and infrared distance measuring module, can be right The distance between barrier and user measure, and the result of measurement is fed back to master control system.Master control system can It controls blind-guiding stick and issues alarm signal.By the way that ultrasound and infrared two kinds of distance measuring methods to be combined, the standard of user may be implemented True avoidance.
In the present embodiment, the tumble guard system 8 may include multiaxis gyroscope sensor, the multiaxis gyroscope Sensor includes accelerometer, gyroscope, magnetometer and barometer etc..Certainly the number of axle of gyro sensor of the invention is not It is limited to this.The tumble guard system can acquire current movement and azimuth information and be transferred to the processing list of master control system Whether member judge user's direction of travel and fall, feedback prompts and distress signals.
In the present embodiment, the blind-guiding stick further includes wired earphone interface and bluetooth headset interface.The wired earphone Interface and bluetooth headset interface can be located at the surface or end of the handle, can receive the master control system output Voice messaging and user instruction is transmitted to master control system to meet the use demand of user.
Another aspect provides a kind of blind guiding systems, in an exemplary implementation of blind guiding system of the invention In example, as shown in figure 3, the blind guiding system include blind-guiding stick as described above, the corresponding label information of blind way RFID label tag and Satellite-signal geographical location information and the end intelligent subscriber.Wherein,
The corresponding label information of the blind way RFID label tag and satellite-signal geographical location information are for determining user's geography Location information.When indoors or when the satellite-signals such as underground garage are unstable, the blind-guiding stick uses RFID label tag pair The label information answered carries out geographical location and determines.The corresponding label information of the RFID label tag can be for by built-in RFID tag Navigation device is embedded in the local subsurface such as unstable interior of satellite-signal and obtains.The satellite-signal geographical location information The geographical location information that can be obtained for double-frequency GPS system.
The blind-guiding stick can be true according to the corresponding label information of blind way RFID label tag and satellite-signal geographical location information Fixed user's geographical location information, and receive user instructions, generate corresponding navigation information navigation user.
The end intelligent subscriber can be connect by network with the blind-guiding stick.The end intelligent subscriber include personal end and He uses end.The personal end can provide friend-making, picture and text identification and real-time traffic condition query for user, and described he uses end energy Being enough in other people, shared, fence, voice communication and help information are checked with user's real-time position information.For example, described The end intelligent subscriber can be mobile phone end.The cell phone application of the mobile phone end is divided into Xiao Ming assistant's (he uses end) and Xiao Ming Colleague (personal end).Xiao Ming assistant's applicable object is user family members or friend, and the state of user can be all uploaded to intelligence by blind man's stick The Xiao Ming assistant of mobile phone terminal, the function that Xiao Ming assistant includes are real-time geographical locations inquiry, and fence and is looked at voice communication See the help information that user issues.Xiao Ming goes together applicable object as user oneself, is user's friendship comprising function using interactive voice Friend and picture and text identification and local transit status queries.The fence for setting user's trip, range can be defaulted as leaving home away from From will will receive corresponding prompt information beyond this range Xiao Ming assistant, and remind user family members user to will exceed safety zone, ask It is contacted in time with user, meanwhile, blind man's stick can also issue vibration and language reminds user.Family members also can be used Xiao Ming assistant to Family sends language message, and voice messaging will be communicated to user by the language module of blind-guiding stick.
More than, Xiao Ming assistant direct-dial telephone calling party can be used, user can directly carry out with household by blind man's stick Exchange.When user issues assistance message to family members, user family members can immediately pass through the position letter that Xiao Ming assistant obtains user Breath.Specifically, for Xiao Ming with the cell phone application of behavior user-specific, which uses natural language recognition, and the function of system can lead to Voice is crossed to be controlled.User can log in Xiao Ming colleague by saying to mobile phone, and Xiao Ming is defeated by voice with guild prompt user Access customer name and password can prompt the user whether to be logged in after the completion of input, and user issues login voice and logs in.Into one Step ground, user can be added friend-making by voice, directly send verbal messages to good friend by voice, receive good friend's message When, Xiao Ming reminds whether user plays with guild, when cellphone GPS is opened, Xiao Ming's colleague's search nearby users can be used and chat It is made friends.
Further, user can carry out online group chat by Xiao Ming colleague and circle of friends checks the latest tendency of friend.
Further, when user needs reading text and graph, Xiao Ming colleague is opened, voice issues instruction, passes through cell-phone camera Head obtains graph text information and is converted to voice messaging, broadcasts for user.
Further, user can also obtain the information such as public transport subway by Xiao Ming colleague net about vehicle.
Generally, the navigation device of blind guiding system of the invention based on subsurface built-in RFID tag, passes through radio Signal identification specific objective simultaneously reads related data, obtains location information in conjunction with satellite positioning tech (double-frequency GPS location technology) And related data is read, it gives user feedback different location informations, realizes the navigation to user.Meanwhile it can be specific road Condition information feeds back to user, the state of user can also be fed back to user family members or friend, makes user's trip more safety high Effect.
Another aspect of the invention provides a kind of blind-guiding method, in an exemplary implementation of blind-guiding method of the invention In example, the blind-guiding method be may comprise steps of:
The navigation device of built-in RFID tag is embedded in the places such as the unstable interior of satellite-signal by step S01.
In the present embodiment, for had the navigation device of RFID label tag and satellite-signal it is stable place be then not required to The pre-buried operation of navigation device is carried out again.
The end user intelligent subscriber is arranged in step S02.
In the present embodiment, for example, application program can be installed on user and other people mobile phone.For example, can be User installation Xiao Ming colleague as described above is that the family members of user install Xiao Ming assistant as described above.
Step S03 carries out guide using above-described blind-guiding stick.
In the present embodiment, user can input destination by voice, and blind-guiding stick can automatically select an optimal line Road, and pass through casting geographical location information guiding in real time user.
It in the present embodiment, can be by the ultrasonic distance measuring module that includes in obstacle avoidance system and infrared during trip Range finder module monitors front obstacle, when monitoring barrier by vibration and voice reminder user, meanwhile, voice is put outside asks Pedestrian's evacuation, when barrier does not act accordingly, automatically guiding user detours.
In the present embodiment, it during trip, can be acquired by tumble guard system, such as 10 axis gyro sensors Current action message issues assistance message to passerby around first, while sending position to user family members when user falls Information and assistance message facilitate user to get in touch at the first time with family members.
In the present embodiment, during trip, if user needs to call a taxi to go to destination, beating on handle can be triggered Vehicle key.Blind-guiding stick reads current geographic position by satellite-signal (double-frequency GPS), and the purpose of user's this journey is obtained by voice Ground judges whether current location is that can be used to call a taxi a little, calls a taxi a little if it is not, user is first guided to go to, automatically begins to send out after arrival Request of calling a taxi is sent, after someone's order, user is prompted to need the waiting time.
In conclusion blind-guiding stick of the invention can be obtained by subsurface radio frequency identification (RFID) label and satellite system Location information, and then more accurate navigation information is provided for user, covering region is wide;Can be simultaneously in user's trip, it can Traffic information is constantly fed back to user and user information is fed back to other people;Blind guiding system of the invention is multiple functional, At low cost, feasibility is high;Blind-guiding method fast response time, safe ready.
Although those skilled in the art should be clear above by combining exemplary embodiment to describe the present invention Chu can carry out exemplary embodiment of the present invention each without departing from the spirit and scope defined by the claims Kind modifications and changes.

Claims (10)

1. a kind of blind-guiding stick, which is characterized in that the blind-guiding stick include switch, handle, strut, input unit, master control system, Obstacle avoidance system, navigation information acquisition device and tumble guard system, wherein
The switch is set to the handle surfaces, can start or close the blind-guiding stick;
One end of the strut is connect with the handle, and the other end is provided with navigation information acquisition device;
The input unit is set to the handle surfaces, can receive user instructions and user instruction is transmitted to main control system System;
The master control system is set on the handle or the strut, and the master control system is filled with the input respectively It sets, the connection of obstacle avoidance system, navigation information acquisition device and tumble guard system, it can be according to receiving user instructions and read institute The user's geographical location information for stating the acquisition of navigation information acquisition device carries out route planning and generates corresponding navigation information;
The obstacle avoidance system is set to the strut surfaces, can measure user and obstacle distance and by the Distance Transmission extremely Master control system is to warn user's avoidance;
The navigation information acquisition device includes that the radio frequency being wirelessly connected with the RFID tag for being located at blind way region is known Other reader read module and satellite positioning module, the radio-frequency identification reader read module and satellite positioning module can be certainly By switching, the navigation information acquisition device can obtain user's geographical location information and the location information is transmitted to master control System processed is to generate navigation information;
The tumble guard system is set on the handle or the strut, can acquire user action information and azimuth information And it is transmitted to master control system, the master control system can judge user walking side according to user action information and azimuth information To and whether fall and issue signal.
2. blind-guiding stick according to claim 1, which is characterized in that the input unit includes voice input module and operation Key, the voice input module and operation button are connect with the master control system, and the operation button includes navigation mould Formula switch key, mono- key of SOS emergency key, key of calling a taxi, current location key, navigation key, give the correct time key and volume adjustment key.
3. blind-guiding stick according to claim 1, which is characterized in that the master control system includes processing unit, output list Member and storage unit, wherein
The signal input part of the processing unit respectively with input unit, obstacle avoidance system, navigation information acquisition device and tumble Guard system connection, output end are connect with the output unit;
The output unit includes voice module, communication module and cue module, the processing unit that can be obtained according to reception Output signal carry out voice broadcast, communication and user prompt;
The storage unit is connect with the processing unit, being capable of stored voice message and customer position information.
4. blind-guiding stick according to claim 1, which is characterized in that the obstacle avoidance system includes ultrasonic distance measuring module and red Outer range finder module, the tumble guard system include multiaxis gyroscope sensor.
5. blind-guiding stick according to claim 1, which is characterized in that in the case where satellite-signal is unstable, the navigation Information acquisition device is by switching to the radio-frequency identification reader read module to obtain user's geographical location information.
6. blind-guiding stick according to claim 1, which is characterized in that the blind-guiding stick further includes wired earphone interface and bluetooth Earphone interface, the wired earphone interface and bluetooth headset interface are located at the surface of the handle, can receive the main control The voice messaging and user instruction is transmitted to master control system that system exports.
7. a kind of blind guiding system, which is characterized in that the blind guiding system includes the corresponding label information of RFID tag and defends Blind-guiding stick described in any one of star signal geographical location information, the end intelligent subscriber and claim 1~6, wherein
The blind-guiding stick is used to be determined according to the corresponding label information of RFID tag and satellite-signal geographical location information and use Family geographical location information, receives user's request, and according to user's geographical location information and user request to generate navigation information into Row navigation;
The end intelligent subscriber is connect with the blind-guiding stick, including end is used with him in personal end, and the personal end can mention for user For making friends, picture and text identification and real-time traffic condition query, it is described that he with end can be used in other people and user's real-time position information Shared, fence, voice communication and help information are checked.
8. a kind of blind-guiding method, which is characterized in that the described method comprises the following steps:
User's current geographic position information is obtained using the blind-guiding stick as described in any one of claim 1~6 and receives use Family solicited message;
User's current geographic position information and user request information are sent to blind-guiding stick;
The blind-guiding stick according to receive information carry out route planning, generate corresponding navigation information, according to the navigation information into Row navigation.
9. blind-guiding method according to claim 8, which is characterized in that the method also includes in the feelings for detecting barrier Under condition, the blind-guiding stick puts voice reminder barrier evacuation by the way that vibration or voice reminder user are simultaneously outer simultaneously, if barrier It does not avoid actively, then the blind-guiding stick guidance user detours.
10. blind-guiding method according to claim 8, which is characterized in that the blind-guiding method further includes multiplying in user's selection Chinese herbaceous peony is toward in the case of destination, and user is requested by bus by blind-guiding stick input, and blind-guiding stick obtains user's current geographic position Information, judges whether current location has ride site, if not having, guides user to go to ride site by bus and send to driver and calls a taxi Request and current location.
CN201910139730.2A 2019-02-26 2019-02-26 A kind of blind-guiding stick, blind guiding system and blind-guiding method Pending CN109646258A (en)

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