CN109481247A - Voice guidance system for blind and its working method based on Android platform - Google Patents
Voice guidance system for blind and its working method based on Android platform Download PDFInfo
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- CN109481247A CN109481247A CN201811092071.3A CN201811092071A CN109481247A CN 109481247 A CN109481247 A CN 109481247A CN 201811092071 A CN201811092071 A CN 201811092071A CN 109481247 A CN109481247 A CN 109481247A
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61H—PHYSICAL 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
- A61H3/00—Appliances for aiding patients or disabled persons to walk about
- A61H3/06—Walking aids for blind persons
- A61H3/061—Walking aids for blind persons with electronic detecting or guiding means
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- Physical Education & Sports Medicine (AREA)
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- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
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- Position Fixing By Use Of Radio Waves (AREA)
- Alarm Systems (AREA)
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Abstract
The invention discloses a kind of voice guidance system for blind based on Android platform, including detection of obstacles module, GPS positioning module, voice playing module, control module；Detection of obstacles module is for measuring the distance between blind person and barrier；GPS positioning module is used to acquire the longitude and latitude of blind person present position；Voice playing module is for prompting to have reached warning distance between blind person and barrier；For control module for judging to have reached warning distance between blind person and barrier, issue control signal to voice playing module, control module is also used to judge blind person as emergency, issues control signal to GPS positioning module；Use barriers analyte detection module of the present invention, when distance is less than safe distance, after signal is handled by control centre, voice reminder is carried out by voice system, passerby is reminded using LED light light on and off simultaneously, in case of emergency, location information is sent to by communication system GSM by fixed-line telephone by GPS system, to reach the shared function in position.
Description
Technical field
The present invention relates to fault detection and fields of communication technology more particularly to a kind of voice based on Android platform to lead
Blind system and its working method.
Background technique
China human mortality is numerous, and blind person accounts for certain ratio.Blindman works in a dark world, life, society
Meeting activity is all a very big difficulty.How safety is walked as problem maximum in blindman, with people's lives water
Flat improves successively, allow life become the people to become better and better become generally pursue simple life idea.Blind person one special
Group, due to congenital physiological defect, although majority is by means of crutch or seeing-eye dog and a variety of guides in daily life
Instrument, but the obstacle that still accurately and timely cannot be found and avoid.
Many to study existing successful case, including radio, satellite system and the guidance infrared photosystem of guide need equipment
By external information means, the environment of surroundings thereof is improved, to determine its position, although the more information of reflection, huge
Cost, fixed information content, the slow development of renewal speed, but be also highly susceptible to external information interference or destroy；Electronic eyes
Mirror and optical imaging concept will guide the object of scenery around and imaging for corresponding acoustical signal, although structure is simple, information
Fixed mass, but system complex and valuableness.Current developed ultrasonic blind guiding system has:
Electronic blindman guiding instrument, but there are information such as traffic lights, blind way, zebra stripes in modern city traffic system, these
It is all the basic guarantee that blind safety is advanced, and current electronic blindman guiding instrument can't identify completely and judge these traffic informations,
And the speed that ultrasonic blind guiding instrument is advanced is slow, can only carry out the identification of partial barriers.
The wearable wearable apparatus for guiding blind weight weight of apparatus for guiding blind lacks the sense of security.
Mobile robot's structure is excessively complicated, is limited by landform, and hardware development is at high cost.
Summary of the invention
The present invention is directed to solve at least some of the technical problems in related technologies.For this purpose, of the invention
One purpose is to propose a kind of voice guidance system for blind based on Android platform, using the low-power consumption of STC Corporation's production, height
Performance CMOS8 8-digit microcontroller STC89C52, the hardcore controlled by the signal handling capacity of peripheral circuit and accordingly
System cooperates corresponding range-measurement system, voice system and communication system to reach detection barrier, voice reminder and information sharing
Function.Distance and the position for measuring barrier by ultrasonic ranging system under the mode of exploring the way, when distance is less than safety
Apart from when, after signal is handled by control centre, by voice system carry out voice reminder, while utilize LED light light on and off
Remind passerby.In case of emergency, an one-key emergent alarm function can be used in user, is passed through location information by GPS system
Communication system GSM is sent to fixed-line telephone, to reach the shared function in position.
A kind of voice guidance system for blind based on Android platform according to an embodiment of the present invention, including detection of obstacles mould
Block, GPS positioning module, voice playing module, control module；
The detection of obstacles module is for measuring the distance between blind person and barrier；
The GPS positioning module is used to acquire the longitude and latitude of blind person present position；
The voice playing module is for prompting to have reached warning distance between blind person and barrier；
The control module issues control signal to described for judging to have reached warning distance between blind person and barrier
Voice playing module, while the control module is also used to judge that for emergency, it is fixed to the GPS to issue control signal by blind person
Position module.
Preferably, the detection of obstacles module includes ultrasonic sensor transmit circuit, ultrasonic sensor reception electricity
Road.
Preferably, the GPS positioning module includes GPS data acquisition module and GSN communication module.
Preferably, it is provided with voice playing circuit in the voice playing module, including controls chip IC, oscillator, resist
Aliasing filter, smoothing filter, audio-frequency amplifier, memory.
Preferably, the voice guidance system for blind working method based on Android platform is as follows:
S1: not triggering emergency event, and ultrasonic sensor transmit circuit emits ultrasonic wave, and ultrasonic sensor receives
Circuit receives reflected ultrasonic wave, and the detection module that breaks the barriers measures the distance between blind person and barrier D；
S2: range information D is passed to control module by detection of obstacles module by signal output end；
S3: setting warning distance M inside control module, control module compare range information D and warning distance M, distance
Information D reaches warning distance M, and control module exports control signal to voice playing module, and voice playing module issues voice and mentions
Show, range information D not up to guards against distance M, and control module does not trigger voice playing module, and voice playing module does not work；
S4: triggering emergency event, control module export control signal to voice playing module, voice playing module hair
Voice prompting out, blind person carry out opinion alarm, and control module exports control signal to GPS positioning module, GPS positioning module work
Make, GPS data acquisition module acquires the longitude and latitude of blind person present position, and GSN communication module is believed position by way of short message
Breath shares to corresponding mobile phone.
In the present invention, by the voice guidance system for blind based on Android platform, it is added under the mode of voice reminder
Gsm communication function.Reach warning apart from when, reminded first by voice system；It is Ke Yishi when an emergency situation is encountered
An existing key warning function, while will send GPS positioning information in corresponding cell phone by communication system, it is real in time
It shares existing position.
Detailed description of the invention
Attached drawing is used to provide further understanding of the present invention, and constitutes part of specification, with reality of the invention
It applies example to be used to explain the present invention together, not be construed as limiting the invention.In the accompanying drawings:
Fig. 1 is a kind of system flow chart of the voice guidance system for blind based on Android platform proposed by the present invention；
Fig. 2 is ultrasonic sensor transmit circuit schematic diagram proposed by the present invention；
Fig. 3 is that ultrasonic sensor proposed by the present invention receives circuit diagram；
Fig. 4 is ultrasonic distance measurement working principle proposed by the present invention；
Fig. 5 is GPS data collecting work schematic diagram proposed by the present invention；
Fig. 6 is gsm communication module working principle diagram proposed by the present invention；
Fig. 7 is voice module working principle diagram proposed by the present invention；
Fig. 8 is system structure diagram proposed by the present invention；
Fig. 9 is GPS data collecting flowchart figure proposed by the present invention；
Figure 10 is short breath transmission flow figure proposed by the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.
Examples of the embodiments are shown in the accompanying drawings, and in which the same or similar labels are throughly indicated identical or classes
As element or element with the same or similar functions.The embodiments described below with reference to the accompanying drawings are exemplary, purport
It is being used to explain the present invention, and is being not considered as limiting the invention.
In the description of the present invention, it is to be understood that, term " center ", " longitudinal direction ", " transverse direction ", " length ", " width ",
" thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside", " up time
The orientation or positional relationship of the instructions such as needle ", " counterclockwise ", " axial direction ", " radial direction ", " circumferential direction " be orientation based on the figure or
Positional relationship is merely for convenience of description of the present invention and simplification of the description, rather than the device or element of indication or suggestion meaning must
There must be specific orientation, be constructed and operated in a specific orientation, therefore be not considered as limiting the invention.
In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include one or more of the features.In the description of the present invention, the meaning of " plurality " is two or more,
Unless otherwise specifically defined.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " fixation " etc.
Term shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；It can be mechanical connect
It connects, is also possible to be electrically connected；It can be directly connected, can also can be in two elements indirectly connected through an intermediary
The interaction relationship of the connection in portion or two elements.It for the ordinary skill in the art, can be according to specific feelings
Condition understands the concrete meaning of above-mentioned term in the present invention.
A kind of voice guidance system for blind based on Android platform, including a kind of voice guide system based on Android platform
System, including detection of obstacles module, GPS positioning module, voice playing module, control module；The detection of obstacles module is used
In measurement the distance between blind person and barrier；The GPS positioning module is used to acquire the longitude and latitude of blind person present position；It is described
Voice playing module is for prompting to have reached warning distance between blind person and barrier；The control module for judge blind person with
Warning distance is had reached between barrier, issues control signal to the voice playing module, while the control module is also used
In judging blind person for emergency, control signal is issued to the GPS positioning module；The detection of obstacles module includes ultrasound
Wave sensor transmit circuit, ultrasonic sensor receive circuit；The GPS positioning module includes GPS data acquisition module and GSN
Communication module；Voice playing circuit, including control chip IC, oscillator, anti-aliasing filter are provided in the voice playing module
Wave device, smoothing filter, audio-frequency amplifier, memory.
Voice guidance system for blind working method based on Android platform is as follows:
S1: not triggering emergency event, and ultrasonic sensor transmit circuit emits ultrasonic wave, and ultrasonic sensor receives
Circuit receives reflected ultrasonic wave, and the detection module that breaks the barriers measures the distance between blind person and barrier D；
S2: range information D is passed to control module by detection of obstacles module by signal output end；
S3: setting warning distance M inside control module, control module compare range information D and warning distance M, distance
Information D reaches warning distance M, and control module exports control signal to voice playing module, and voice playing module issues voice and mentions
Show, range information D not up to guards against distance M, and control module does not trigger voice playing module, and voice playing module does not work；
S4: triggering emergency event, control module export control signal to voice playing module, voice playing module hair
Voice prompting out, blind person carry out opinion alarm, and control module exports control signal to GPS positioning module, GPS positioning module work
Make, GPS data acquisition module acquires the longitude and latitude of blind person present position, and GSN communication module is believed position by way of short message
Breath shares to corresponding mobile phone.
Voice guidance system for blind based on Android platform is based on Android platform, using STC89C52 as master control core
Piece, detection of obstacles module realizes the measurement of distance using the return air characteristic ultrasound wave of barrier, and GPS positioning module has
There are high-precision, round-the-clock, high efficiency function, in combination with GPS technology, wireless communication technique (GSM), carries out real time monitoring and position
Information sharing and transmitting are set, the voice playing module uses voice cue module chip 1SD4002, and chip uses CMOS skill
Art includes oscillator, frequency overlapped-resistable filter, smoothing filter, audio-frequency amplifier, automatic silencing and the storage of high density multistage flash distillation
Device shows that this chip mainly applies to all operations and obtains microcontroller all to operate, and when operation, control command is by going here and there
Row communication interface is sent.
In conclusion being somebody's turn to do the voice guidance system for blind based on Android platform passes through the voice guide based on Android platform
System is added to gsm communication function under the mode of voice reminder.Reach warning apart from when, first by voice system into
Row is reminded；It is that a key warning function may be implemented, while GPS positioning information will be passed through communication system when an emergency situation is encountered
It is sent in corresponding cell phone, realizes the shared of position in time.
In the present invention unless specifically defined or limited otherwise, fisrt feature in the second feature " on " or " down " can be with
It is that the first and second features directly contact or the first and second features pass through intermediary mediate contact.Moreover, fisrt feature exists
Second feature " on ", " top " and " above " but fisrt feature be directly above or diagonally above the second feature, or be merely representative of
First feature horizontal height is higher than second feature.Fisrt feature can be under the second feature " below ", " below " and " below "
One feature is directly under or diagonally below the second feature, or is merely representative of first feature horizontal height less than second feature.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example
Point is included at least one embodiment or example of the invention.In the present specification, schematic expression of the above terms are not
Centainly refer to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be any
One or more embodiment or examples in can be combined in any suitable manner.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Anyone skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (5)
1. a kind of voice guidance system for blind based on Android platform, it is characterised in that: including detection of obstacles module, GPS positioning
Module, voice playing module, control module；
The detection of obstacles module is for measuring the distance between blind person and barrier；
The GPS positioning module is used to acquire the longitude and latitude of blind person present position；
The voice playing module is for prompting to have reached warning distance between blind person and barrier；
The control module issues control signal to the voice for judging to have reached warning distance between blind person and barrier
Playing module, while the control module is also used to judge blind person as emergency, issues control signal to the GPS positioning mould
Block.
2. the voice guidance system for blind according to claim 1 based on Android platform, it is characterised in that: the barrier
Detection module includes ultrasonic sensor transmit circuit, ultrasonic sensor reception circuit.
3. the voice guidance system for blind according to claim 1 based on Android platform, it is characterised in that: the GPS positioning
Module includes GPS data acquisition module and GSN communication module.
4. the voice guidance system for blind according to claim 1 based on Android platform, it is characterised in that: the voice is broadcast
Voice playing circuit, including control chip IC, oscillator, frequency overlapped-resistable filter, smoothing filter, audio are provided in amplification module
Amplifier, memory.
5. the voice guidance system for blind according to any one of claims 1-4 based on Android platform, it is characterised in that:
Working method is as follows:
S1: not triggering emergency event, and ultrasonic sensor transmit circuit emits ultrasonic wave, and ultrasonic sensor receives circuit
Reflected ultrasonic wave is received, the detection module that breaks the barriers measures the distance between blind person and barrier D；
S2: range information D is passed to control module by detection of obstacles module by signal output end；
S3: setting warning distance M inside control module, control module compare range information D and warning distance M, range information D
Reaching warning distance M, control module exports control signal to voice playing module, and voice playing module issues voice prompting, away from
Distance M is not up to guarded against from information D, control module does not trigger voice playing module, and voice playing module does not work；
S4: triggering emergency event, control module export control signal to voice playing module, and voice playing module issues language
Sound prompt, blind person carry out opinion alarm, and control module exports control signal to GPS positioning module, GPS positioning module work, GPS
The longitude and latitude of data collecting module collected blind person present position, GSN communication module is by way of short message by position information share
To corresponding mobile phone.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811092071.3A CN109481247A (en) | 2018-09-19 | 2018-09-19 | Voice guidance system for blind and its working method based on Android platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811092071.3A CN109481247A (en) | 2018-09-19 | 2018-09-19 | Voice guidance system for blind and its working method based on Android platform |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109481247A true CN109481247A (en) | 2019-03-19 |
Family
ID=65689152
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811092071.3A Withdrawn CN109481247A (en) | 2018-09-19 | 2018-09-19 | Voice guidance system for blind and its working method based on Android platform |
Country Status (1)
| Country | Link |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001344688A (en) * | 2000-05-31 | 2001-12-14 | Isamu Miya | Visually handicapped person helping system |
| CN203694027U (en) * | 2013-12-31 | 2014-07-09 | 北京大唐高鸿数据网络技术有限公司 | Single chip microcomputer based multifunctional intelligent blind guiding system |
| CN104173175A (en) * | 2014-09-11 | 2014-12-03 | 青岛黄海学院 | Wearable intelligent blind guiding device |
| CN105853159A (en) * | 2016-05-05 | 2016-08-17 | 上海电机学院 | Intelligent blind guiding system |
-
2018
- 2018-09-19 CN CN201811092071.3A patent/CN109481247A/en not_active Withdrawn
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001344688A (en) * | 2000-05-31 | 2001-12-14 | Isamu Miya | Visually handicapped person helping system |
| CN203694027U (en) * | 2013-12-31 | 2014-07-09 | 北京大唐高鸿数据网络技术有限公司 | Single chip microcomputer based multifunctional intelligent blind guiding system |
| CN104173175A (en) * | 2014-09-11 | 2014-12-03 | 青岛黄海学院 | Wearable intelligent blind guiding device |
| CN105853159A (en) * | 2016-05-05 | 2016-08-17 | 上海电机学院 | Intelligent blind guiding system |
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| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20190319 |
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| WW01 | Invention patent application withdrawn after publication |