CN107822840A - A kind of intelligent blind-guiding crutch based on dsp chip - Google Patents
A kind of intelligent blind-guiding crutch based on dsp chip Download PDFInfo
- Publication number
- CN107822840A CN107822840A CN201711262614.7A CN201711262614A CN107822840A CN 107822840 A CN107822840 A CN 107822840A CN 201711262614 A CN201711262614 A CN 201711262614A CN 107822840 A CN107822840 A CN 107822840A
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- Prior art keywords
- dsp
- module
- blind
- chip
- intelligent blind
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Classifications
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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
- A61H3/068—Sticks for blind persons
-
- 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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- Health & Medical Sciences (AREA)
- Epidemiology (AREA)
- Pain & Pain Management (AREA)
- Physical Education & Sports Medicine (AREA)
- Rehabilitation Therapy (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Rehabilitation Tools (AREA)
Abstract
The present invention relates to a kind of intelligent blind-guiding crutch based on dsp chip, including the crutch body of rod, master controller, battery, energy supply control module, CCD camera, voice synthetic module, supersonic sensing module；The master controller includes fpga chip and DSP Processor；The voice synthetic module includes SX6288A synthesis modules, SPIFLASH equipment interfaces, audio frequency power amplifier chip；The supersonic sensing module includes ultrasonic transmitter, receiver and control circuit, can detect the distance of blind person and barrier and send alarm signal；After the CCD camera captures realtime graphic, it is identified by DSP Processor, judges traffic lights and male-female toilet situation and send voice message.The present invention uses said structure, can help the barrier in front of blind person's automatic detection and send voice message in time, and carries out judgement when blind person is in face of traffic lights, male-female toilet and be simultaneously emitted by voice message help blind person's discrimination truth, is adapted to promote the use of.
Description
Technical field
The present invention relates to a kind of special intelligent blind-guiding crutch of blind person.
Background technology
Blind person is social specific group, and crutch aid indispensable when being blind person's walking, it can give the life of blind person
Offer convenience.But bland person walking stick function in the market is single, it is impossible to meets blind Man's Demands under various complex situations；And city
Also more moderate medium and high-grade goods of performance and price in short supply on field.
The content of the invention
In view of above the deficiencies in the prior art, it is an object of the invention to provide a kind of intelligent blind-guiding based on dsp chip
Crutch, it can not only help blind seeking, the barrier in front of automatic detection and send voice message in time, can also be in blind person
Intelligent decision is carried out during in face of traffic lights, male-female toilet and is simultaneously emitted by voice message help blind person's discrimination truth.
In order to realize the above object the present invention provides following technical scheme：A kind of intelligent blind-guiding based on dsp chip turns
Cane, including the crutch body of rod, master controller, battery, energy supply control module, CCD camera, voice are connected on the master controller and is closed
Into module, supersonic sensing module；The master controller includes fpga chip and DSP Processor；The voice synthetic module bag
Include SX6288A synthesis modules, SPIFLASH equipment interfaces, audio frequency power amplifier chip；The supersonic sensing module includes ultrasonic wave
Transmitter, receiver and control circuit.
Preferably, after the CCD camera captures realtime graphic, Camera-link interface chips, fpga chip are passed through
Import in DSP cachings, be identified by the identification module of DSP Processor.
Preferably, DSP Processor uses EMIF interface communications with FPGA, and the memory for setting EMIF to control is SRAM classes
Type.
Preferably, the DSP Processor uses chip TMS320VC5402, for handling the simulation that CCD camera is sent
Model, if realtime graphic reaches matching degree and meets to require, it is first determined whether meeting traffic lights shape need, enter if meeting
Colour recognition template determines whether, if traffic lights identification is unsatisfactory for, and matching degree is up to standard, then men and women occurs in realtime graphic
Lavatory identifies, and further judges it is man or women's lavatory.It is traffic lights either male/female in each final judged result
When lavatory identifies, DSP Processor can all communicate information to voice synthetic module, and different information is reported accordingly.
Preferably, the supersonic sensing module calculates blind person using I/O port TRIG triggering rangings by main control part
With the distance of front obstacle, barrier just sends alarm signal when reaching certain value with blind person's distance by DSP Processor.
Preferably, the crutch lever front end sets extension type stick stem.
Preferably, the energy supply control module uses TPS73HD318 chips.
Compared with prior art, the beneficial effects of the invention are as follows：On the basis of blind seeking demand is met, road conditions are entered
Row Intelligent Measurement, the distance of blind person and front obstacle can not only be measured in time and sends early warning, and in blind person face
Intelligent decision is carried out during to traffic lights and male-female toilet and sends voice message helping blind person to distinguish truth, there is promotion price
Value.
Brief description of the drawings
Fig. 1 is the schematic device of the present invention；
Fig. 2 is the structural representation of the present invention.
In figure, the 1- crutch bodies of rod；2- master controllers；2-1-FPGA chips；2-2-DSP processors；3- batteries；4- power supply controls
Molding block；5-CCD cameras；5-1-Camera-link interface chips；6- voice synthetic modules；7- supersonic sensing modules.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other under the premise of creative work is not made
Embodiment, belong to the scope of protection of the invention.
Refer to Fig. 1-2, a kind of practical example provided by the invention：A kind of intelligent blind-guiding crutch based on dsp chip, including
The crutch body of rod 1, master controller 2, battery 3, energy supply control module 4, CCD camera 5, phonetic synthesis are connected on the master controller
Module 6, supersonic sensing module 7；The master controller 2 includes fpga chip 2-1 and DSP Processor 2-2；The phonetic synthesis
Module 6 includes SX6288A synthesis module 6-1, SPIFLASH equipment interfaces 6-2, audio frequency power amplifier chip 6-3；The ultrasonic wave passes
Feeling module 7 includes ultrasonic transmitter 7-1, receiver (7-2) and control circuit 7-3.
Wherein, after the CCD camera 5 captures realtime graphic, Camera-link interface chip 5-1, FPGA cores are passed through
Piece 2-1 is imported in DSP cachings, is identified by DSP Processor 2-2 identification function.
Wherein, DSP Processor 2-2 and FPGA2-1 uses EMIF interface communications, and the memory for setting EMIF to control is SRAM
Type.
Wherein, the DSP Processor 2-2 uses chip TMS320VC5402, for handling the mould that CCD camera 5 is sent
Intend model, if realtime graphic reaches matching degree and meets to require, it is first determined whether meeting traffic lights shape need, enter if meeting
Enter colour recognition template to determine whether, if traffic lights identification is unsatisfactory for, and matching degree is up to standard, then occurs man in realtime graphic
Women's lavatory identifies, and further judges it is man or women's lavatory.Each final judged result be traffic lights either man/
When women's lavatory identifies, DSP Processor 2-2 can communicate information to voice synthetic module 6, different information be carried out corresponding
Report.
Wherein, the supersonic sensing module 7 is using I/O port TRIG triggering rangings, by main control part calculate blind person with
The distance of front obstacle, barrier just send alarm signal when reaching certain value with blind person's distance by DSP Processor 2-2.
Wherein, the front end of the crutch body of rod 1 sets extension type stick stem.
Wherein, the energy supply control module 4 uses TPS73HD318 chips.
Operation principle：In use, barrier whether there is by the detection of supersonic sensing module 7 front, in blind person and barrier
Signal is passed into master controller 2 when hindering the distance of thing to reach certain value, alarm signal is sent by voice synthetic module 6；Meanwhile
After CCD camera 5 captures realtime graphic, DSP cachings are imported by Camera-link interface chips 5-1, fpga chip 2-1
In, it is identified by DSP Processor 2-2 identification module, if realtime graphic reaches matching degree and meets to require, it is first determined whether
Meet traffic lights shape need, determined whether if meeting into colour recognition template, if traffic lights identification is unsatisfactory for, and
Matching degree is up to standard, then occurs male-female toilet mark in realtime graphic, further judges it is man or women's lavatory.Each
When final judged result is traffic lights or male/female lavatory mark, DSP Processor 2-2 can communicate information to voice conjunction
Into module 6, different information is reported accordingly.
It is obvious to a person skilled in the art that the invention is not restricted to the details of above-mentioned one exemplary embodiment, Er Qie
In the case of without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, embodiment all should be regarded as exemplary, and be nonrestrictive, the scope of the present invention is by appended power
Profit requires rather than described above limits, it is intended that all in the implication and scope of the equivalency of claim by falling
Change is included in the present invention.Any reference in claim should not be considered as to the involved claim of limitation.
Claims (7)
1. a kind of intelligent blind-guiding crutch based on dsp chip, including the crutch body of rod (1), master controller (2), the master controller
Upper connection battery (3), energy supply control module (4), CCD camera (5), voice synthetic module (6), supersonic sensing module (7)；
The master controller (2) includes fpga chip (2-1) and DSP Processor (2-2)；The voice synthetic module (6) includes
SX6288A synthesis modules (6-1), SPIFLASH equipment interfaces (6-2), audio frequency power amplifier chip (6-3)；The supersonic sensing mould
Block (7) includes ultrasonic transmitter (7-1), receiver (7-2) and control circuit (7-3).
A kind of 2. intelligent blind-guiding crutch based on dsp chip according to claim 1, it is characterised in that the CCD shootings
After head (5) captures realtime graphic, DSP cachings are imported by Camera-link interface chips (5-1), fpga chip (2-1)
In, it is identified by the identification module of DSP Processor (2-2).
A kind of 3. intelligent blind-guiding crutch based on dsp chip according to claim 1 or 2, it is characterised in that DSP processing
Device (2-2) uses EMIF interface communications with FPGA (2-1), and the memory for setting EMIF to control is SRAM type.
A kind of 4. intelligent blind-guiding crutch based on dsp chip according to claim 1 or 2, it is characterised in that the DSP
Processor (2-2) uses chip TMS320VC5402, for handling the simulation model that CCD camera (5) is sent, if realtime graphic
Reach matching degree to meet to require, it is first determined whether meeting traffic lights shape need, enter if meeting into colour recognition template
One step judges, if traffic lights identification is unsatisfactory for, and matching degree is up to standard, then occurs male-female toilet mark in realtime graphic, then enter
One step judges it is man or women's lavatory.When each final judged result is traffic lights either male/female lavatory mark,
DSP Processor (2-2) can all communicate information to voice synthetic module (6), and different information is reported accordingly.
A kind of 5. intelligent blind-guiding crutch based on dsp chip according to claim 1, it is characterised in that the ultrasonic wave
Sensing module (7) triggers ranging using I/O port TRIG, and the distance of blind person and front obstacle, obstacle are calculated by main control part
Thing just sends alarm signal when reaching certain value with blind person's distance by DSP Processor (2-2).
A kind of 6. intelligent blind-guiding crutch based on dsp chip according to claim 1, it is characterised in that the crutch bar
Body (1) front end sets extension type stick stem.
A kind of 7. intelligent blind-guiding crutch based on dsp chip according to claim 1, it is characterised in that the power supply control
Molding block (4) uses TPS73HD318 chips.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711262614.7A CN107822840A (en) | 2017-12-04 | 2017-12-04 | A kind of intelligent blind-guiding crutch based on dsp chip |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711262614.7A CN107822840A (en) | 2017-12-04 | 2017-12-04 | A kind of intelligent blind-guiding crutch based on dsp chip |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107822840A true CN107822840A (en) | 2018-03-23 |
Family
ID=61641490
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711262614.7A Pending CN107822840A (en) | 2017-12-04 | 2017-12-04 | A kind of intelligent blind-guiding crutch based on dsp chip |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109998874A (en) * | 2019-04-24 | 2019-07-12 | 广东海洋大学 | A kind of intelligent blind-guiding device |
| CN110916989A (en) * | 2019-11-20 | 2020-03-27 | 颜振 | Blind guiding walking stick |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101509780A (en) * | 2009-03-16 | 2009-08-19 | 西安理工大学 | Intelligent blind navigation system and navigation method |
| CN102973395A (en) * | 2012-11-30 | 2013-03-20 | 中国舰船研究设计中心 | Multifunctional intelligent blind guiding method, processor and multifunctional intelligent blind guiding device |
| CN203139050U (en) * | 2013-03-19 | 2013-08-21 | 浙江理工大学 | Multifunctional intelligent blind-guide walking stick |
| CN104739622A (en) * | 2015-02-04 | 2015-07-01 | 覃泳睿 | Novel wearable blind guiding equipment and working method thereof |
| CN105640747A (en) * | 2014-12-08 | 2016-06-08 | 上海市闵行中学 | Intelligent blind guiding system |
-
2017
- 2017-12-04 CN CN201711262614.7A patent/CN107822840A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101509780A (en) * | 2009-03-16 | 2009-08-19 | 西安理工大学 | Intelligent blind navigation system and navigation method |
| CN102973395A (en) * | 2012-11-30 | 2013-03-20 | 中国舰船研究设计中心 | Multifunctional intelligent blind guiding method, processor and multifunctional intelligent blind guiding device |
| CN203139050U (en) * | 2013-03-19 | 2013-08-21 | 浙江理工大学 | Multifunctional intelligent blind-guide walking stick |
| CN105640747A (en) * | 2014-12-08 | 2016-06-08 | 上海市闵行中学 | Intelligent blind guiding system |
| CN104739622A (en) * | 2015-02-04 | 2015-07-01 | 覃泳睿 | Novel wearable blind guiding equipment and working method thereof |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109998874A (en) * | 2019-04-24 | 2019-07-12 | 广东海洋大学 | A kind of intelligent blind-guiding device |
| CN109998874B (en) * | 2019-04-24 | 2024-05-14 | 广东海洋大学 | Intelligent blind guiding device |
| CN110916989A (en) * | 2019-11-20 | 2020-03-27 | 颜振 | Blind guiding walking stick |
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Application publication date: 20180323 |