CN106924018A - Intelligent blind guiding stick and blind guiding method thereof - Google Patents
Intelligent blind guiding stick and blind guiding method thereof Download PDFInfo
- Publication number
- CN106924018A CN106924018A CN201710110651.XA CN201710110651A CN106924018A CN 106924018 A CN106924018 A CN 106924018A CN 201710110651 A CN201710110651 A CN 201710110651A CN 106924018 A CN106924018 A CN 106924018A
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- 238000000034 method Methods 0.000 title claims abstract description 9
- 230000035939 shock Effects 0.000 claims description 16
- 241001166076 Diapheromera femorata Species 0.000 claims description 13
- 230000007246 mechanism Effects 0.000 claims description 6
- 238000002604 ultrasonography Methods 0.000 claims description 4
- 230000005611 electricity Effects 0.000 claims 2
- 230000003321 amplification Effects 0.000 claims 1
- 238000003199 nucleic acid amplification method Methods 0.000 claims 1
- 230000004888 barrier function Effects 0.000 abstract description 15
- 230000000694 effects Effects 0.000 description 6
- 230000006378 damage Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 208000027418 Wounds and injury Diseases 0.000 description 3
- 230000007547 defect Effects 0.000 description 3
- 238000001514 detection method Methods 0.000 description 3
- 208000014674 injury Diseases 0.000 description 3
- 238000004891 communication Methods 0.000 description 2
- 208000030090 Acute Disease Diseases 0.000 description 1
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 206010039203 Road traffic accident Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000000644 propagated effect Effects 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
Classifications
-
- 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
- A61H2003/063—Walking aids for blind persons with electronic detecting or guiding means with tactile perception
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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 invention discloses an intelligent blind guiding stick and a blind guiding method thereof, wherein the intelligent blind guiding stick comprises a handle part, a telescopic part connected to one end of the handle part and a ground contact part connected to one end of the telescopic part; the handle portion is equipped with control module, ultrasonic ranging module and vibrations module, control module and ultrasonic ranging module electric connection, vibrations module and control module electric connection. The invention can remotely detect whether barriers exist around the walking path of the user through ultrasonic ranging; when the obstacle is detected, the obstacle can be timely fed back to the user in a vibration mode to remind the user to avoid; when an emergency situation occurs, the emergency call can be carried out through dialing call, and the family can be effectively contacted in time.
Description
Technical field
The invention belongs to blind person's aid field, specifically a kind of intelligent guiding walking stick for blind person and its blind-guiding method.
Background technology
Blind person is due to its defect physiologically, it is impossible to for visually observing walking, so, blind person needs in daily life
Help walk by other people or using aid.At present, blind person is mostly to use blind-guiding stick to aid in walking.
But, current blind-guiding stick there is a problem of following due to the defect of its structure：Because blind-guiding stick is in the mistake of walking
What is swung in journey is limited in scope, and the barrier outside hunting range can not be detected, while fast approaching can not be prevented effectively from
Barrier.Potential danger is brought for the user.
The content of the invention
In order to overcome shortcoming and defect present in prior art, the present invention to provide a kind of its guide side of intelligent guiding walking stick for blind person
Method, by ultrasonic ranging can with around long-range detection user's walking path whether there is barrier；When detecting obstacle
During thing, user can be in time fed back to by way of vibrations, remind user to be hidden；When there is case of emergency,
Urgent call can be carried out by dial-up, timely and effectively contact household.
Technical scheme is as follows：A kind of intelligent guiding walking stick for blind person, including handle portion, it is connected to the flexible of handle portion one end
Portion and it is connected to the portion of contacting to earth of pars contractilis one end；The handle portion is provided with control module, ultrasonic distance measuring module and vibrations
Module, the control module is electrically connected with ultrasonic distance measuring module, and the shock module is electrically connected with control module.
The present invention is further arranged to, and the ultrasonic distance measuring module includes that ultrasonic wave transtation mission circuit and ultrasonic wave are received
Circuit；The ultrasonic wave transtation mission circuit includes switch control element and ultrasonic transmitter；The ultrasonic wave receiving circuit bag
Ultrasonic receiver and amplifying circuit are included, one end of ultrasonic receiver is connected with input amplifier, ultrasonic wave is received
The other end ground connection of device；The output end of amplifying circuit is connected with control module.
The present invention is further arranged to, and the handle portion is additionally provided with calling module, and the calling module includes trigger mechanism.
The present invention is further arranged to, and the portion of contacting to earth is provided with slipmat, and the slipmat is provided with several anti-skidding annulus；
The handle portion is provided with antiskid pad.
The present invention is further arranged to, and the handle portion side is provided with port.
The present invention is further arranged to, and the pars contractilis includes fix bar and adjusting rod；The fix bar is provided with several
For the location hole of secured adjusted bar；The adjusting rod is provided with the projection for being connected in location hole, and described projection one end is provided with
Spring.
The present invention is further arranged to, and described fix bar one end is provided with screw thread, the adjusting rod be provided with for screw thread spiral shell
Revolve the retainer ring of connection.
The present invention is further arranged to, and also including power supply module, power supply module includes being connected to the power key of power supply module
And it is connected to the interface of power supply module.
A kind of blind-guiding method, comprises the following steps：Step one：Ultrasound is sent to ultrasonic wave transtation mission circuit by control module
Wave control signal, ultrasonic wave transtation mission circuit receives ultrasonic wave control signal, and to emission ultrasonic signal；Step 2：Pass through
Ultrasonic wave receiving circuit receives the ultrasonic signal of reflection, and sends feedback signal to control module；Step 3：By controlling mould
After block receives feedback signal, shake control signal is sent to shock module, shock module receives shake control signal, and produces shake
It is dynamic.
The present invention is further arranged to, further comprising the steps of：Call request is sent to control module by triggering device
Signal, control module receives call request signal, and sends call control signals to calling module, and calling module receives calling control
Signal processed, and outwards dial-up.
Beneficial effects of the present invention：Can be whether being deposited around long-range detection user's walking path by ultrasonic ranging
In barrier；When an obstacle is detected, user can be in time fed back to by way of vibrations, reminds user to be hided
Keep away；When there is case of emergency, urgent call can be carried out by dial-up, timely and effectively contact household.
Brief description of the drawings
Fig. 1 is module diagram of the invention.
Fig. 2 is the schematic flow sheet of ultrasonic distance measuring module of the invention.
Fig. 3 is structural representation of the invention.
Fig. 4 is the partial structural diagram of adjusting rod of the invention.
Fig. 5 is the circuit diagram schematic diagram of ultrasonic distance measuring module of the invention.
1- handle portions；11- interfaces；12- trigger mechanisms；13- ultrasonic wave triggering devices；14- ports；15- antiskid pads；
16- power keys；2- pars contractilis；21- fix bars；211- location holes；212- screw threads；22- adjusting rods；221- projections；222- springs；
223- retainer rings；3- contacts to earth portion；31- slipmat；The anti-skidding annulus of 311-.
Specific embodiment
The invention will be further described with the following Examples.
A kind of intelligent guiding walking stick for blind person, including handle portion 1, be connected to the pars contractilis 2 of the one end of handle portion 1 and be connected to pars contractilis
The portion 3 of contacting to earth of 2 one end；The handle portion 1 is provided with control module, ultrasonic distance measuring module and shock module, the control mould
Block is electrically connected with ultrasonic distance measuring module, and the shock module is electrically connected with control module.As shown in figure 1, the handle
Portion 1 enables a user to the application point of force so that user can effectively hold with a firm grip.The pars contractilis 2 being capable of basis
The actual height situation adjustment length of user, adapts to the height requirement of user.The portion 3 of contacting to earth can increase and ground
Earth-grasping force, reaches support and the effect of balance, and reduction produces the situation of skidding during use, causes injury.It is described
Control module is used to send control signal to ultrasonic distance measuring module and shock module, implement ultrasonic ranging control and
The control of vibrations.The ultrasonic distance measuring module by the transmitting of ultrasonic wave with receive, detection in walking path barrier with
The distance between user, it is to avoid user encounters barrier and causes injury.
In the present embodiment, the ultrasonic distance measuring module includes ultrasonic wave transtation mission circuit 4 and ultrasonic wave receiving circuit 5；
The ultrasonic wave transtation mission circuit 4 includes switch control element and ultrasonic transmitter；The ultrasonic wave receiving circuit 5 includes super
Acoustic receiver and amplifying circuit, one end of ultrasonic receiver are connected with input amplifier, ultrasonic receiver
The other end is grounded；The output end of amplifying circuit is connected with control module.Specifically, as shown in figure 5, the switch control element is
Triode T, the base stage of triode T is connected with control module, and ultrasonic wave control signal is sent to base stage by control module so that
Ultrasound reflector is turned on, so as to emission ultrasonic signal.After ultrasonic signal runs into barrier to be reflected, by ultrasonic wave
Receiver is received and is input to input amplifier, by amplifying circuit amplify ultrasonic signal, and will amplify after ultrasonic wave
Signal is sent to control module from the output end of amplifying circuit.By ultrasound examination, and feedack can so be put
Greatly, the actual range drawn between barrier and user is analyzed by control module.User is reduced because encountering barrier
Cause injury.
In the present embodiment, the handle portion is additionally provided with calling module, and the calling module includes trigger mechanism 12.Specifically
Ground, the trigger mechanism 12 is button, when there is emergency to occur, is pushed button, then can outwards be dialled by calling module
Signal communication, request is assisted or rescued.
In the present embodiment, the portion 3 of contacting to earth is provided with slipmat 31, and the slipmat 31 is provided with several anti-skidding annulus 331；
The handle portion 1 is provided with antiskid pad 15.The slipmat 31 is used to increase frictional force during walking；Adjusting lever is played in addition
The effect of protection, reduces adjusting lever because contacting generation corrosion and damage with ground for a long time.The anti-skidding annulus 331 is used to be formed
Anti-skidding gap, when slipmat 31 and ground completely attach to, because air pressure is smaller than atmospheric pressure in anti-skidding gap, formation sucks ground
Effect, increase earth-grasping force of the invention.The antiskid pad 15 is used to increase the frictional force of user's hand and handle portion 1,
It is easy to hold with a firm grip.
In the present embodiment, the side of the handle portion 1 is provided with port 14, the port 14 be used for for ultrasonic wave transmission and
Receive and a window through handle portion 1 is provided.
In the present embodiment, the pars contractilis 2 includes fix bar 21 and adjusting rod 22；The fix bar 21 is provided with several use
In the location hole 211 of secured adjusted bar 22；The adjusting rod 22 is provided with the projection 221 for being connected in location hole 211, described convex
The one end of block 221 is provided with spring 222.As shown in Figure 3,4, for after length of the regulation fix bar 21 with adjusting rod 22, to length
It is fixed, it is to avoid the length during use of pars contractilis 2 changes.Specifically, by the projection 221 of lower Positioning holes 211
Telescopic moving action is carried out to location hole below 211 and to adjusting rod 22, now the forced compression of spring 222 of the one end of projection 221,
When projection 221 moves to another location hole 211, the elastic force effect due to spring 222 to projection 221 so that projection 221 is protruded
To location hole more than 211, the fixing function of length is realized.
In the present embodiment, the one end of the fix bar 21 is provided with screw thread 212, the adjusting rod 22 be provided with for screw thread 212
The retainer ring 223 of spiral connection.The screw thread 212 is connected with the spiral of retainer ring 223, and fix bar 21 is retracted to for adjusting rod 22
Interior rear screw is fixed, and is easy to storage of the invention to place, and is easy to carry.
In the present embodiment, also including power supply module, power supply module includes being connected to the power key 16 of power supply module and connects
It is connected to the interface 11 of power supply module.The power supply module is used for control module, ultrasonic distance measuring module, shock module and exhales
Make module provide power supply to power.So that power supply circuit closure conducting after the power key 16 is by pressing.The interface 11 is used for
Realization is connected with external equipment to charge.The interface 11 is USB interface, for realizing being acted on the connection charging of external equipment.
A kind of blind-guiding method, comprises the following steps：Step one：Send super to ultrasonic wave transtation mission circuit 4 by control module
Sound wave controlled signal, ultrasonic wave transtation mission circuit 4 receives ultrasonic wave control signal, and to emission ultrasonic signal.Specifically, such as
Shown in Fig. 2, in use, by pressing ultrasonic wave triggering device 13, i.e. supersonic switch button, ultrasonic ranging is opened
Function, control module sends ultrasonic wave control signal to ultrasonic wave transtation mission circuit 4, by ultrasonic wave transtation mission circuit 4 to user
The direction of walking sends ultrasonic signal.
Step 2：The ultrasonic signal of reflection is received by ultrasonic wave receiving circuit 5, and feedback letter is sent to control module
Number.Specifically, ultrasonic wave is propagated in atmosphere, when barrier is run into, will be reflected, and it is super to receive reflection by ultrasonic wave
Sound wave, and feedback signal is sent to control module.Wherein, ultrasonic wave directive property is strong, in media as well as the propagation in air away from
From, being difficult to be disturbed farther out.It is possible to measuring the barrier of distant place.The control module is sending ultrasonic wave control signal
Timing is started simultaneously at, timing is stopped when feedback signal is received, be 340m/s according to the aerial spread speed of ultrasonic wave,
With reference to the time t of timing, so as to calculate apart from S=340t/2 between user and barrier, unit is rice.
Step 3：After control module receives feedback signal, shake control signal, shock module are sent to shock module
Shake control signal is received, and produces vibrations.Specifically, the effect of the shock module is the spacing with barrier as user
Predetermined distance is reduced to from SWhen, will by control module to shock module send shake control signal, shock module because
This produces vibrations, reminds user to note the barrier in front, and carry out avoiding action in advance.
It is further comprising the steps of in the present embodiment：Call request signal, control are sent to control module by triggering device
Module receives call request signal, and sends call control signals to calling module, and calling module receives call control signals, and
Outside dial-up.Specifically, the effect of the calling module be when user run into emergency case such as meet an automobile accident it is dangerous or
Person's acute disease hair etc., can be by trigger mechanism 12, that is, pushing button carries out call request, and button sends to control module and calls
Request signal, control module sends call control signals to calling module, and calling module is then sent out call communication signal, to
Outer dialing emergency.
Finally it should be noted that the above embodiments are merely illustrative of the technical solutions of the present invention, rather than the present invention is protected
The limitation of scope is protected, although being explained to the present invention with reference to preferred embodiment, one of ordinary skill in the art should
Work as understanding, technical scheme can be modified or equivalent, without deviating from the reality of technical solution of the present invention
Matter and scope.
Claims (10)
1. a kind of intelligent guiding walking stick for blind person, it is characterised in that：Including handle portion, it is connected to the pars contractilis of handle portion one end and is connected to
The portion of contacting to earth of pars contractilis one end；The handle portion is provided with control module, ultrasonic distance measuring module and shock module, the control
Module is electrically connected with ultrasonic distance measuring module, and the shock module is electrically connected with control module.
2. a kind of intelligent guiding walking stick for blind person according to claim 1, it is characterised in that：The ultrasonic distance measuring module includes ultrasound
Ripple transtation mission circuit and ultrasonic wave receiving circuit；The ultrasonic wave transtation mission circuit includes that switch control element and ultrasonic wave are launched
Device；The ultrasonic wave receiving circuit includes ultrasonic receiver and amplifying circuit, one end and the amplification electricity of ultrasonic receiver
Road input connection, the other end ground connection of ultrasonic receiver；The output end of amplifying circuit is connected with control module.
3. a kind of intelligent guiding walking stick for blind person according to claim 1, it is characterised in that：The handle portion is additionally provided with calling module,
The calling module includes trigger mechanism.
4. a kind of intelligent guiding walking stick for blind person according to claim 1, it is characterised in that：The portion of contacting to earth is provided with slipmat, described
Slipmat is provided with several anti-skidding annulus；The handle portion is provided with antiskid pad.
5. a kind of intelligent guiding walking stick for blind person according to claim 1, it is characterised in that：The handle portion side is provided with port.
6. a kind of intelligent guiding walking stick for blind person according to claim 1, it is characterised in that：The pars contractilis includes fix bar and regulation
Bar；The fix bar is provided with several for the location hole of secured adjusted bar；The adjusting rod is provided with for being connected in location hole
Projection, described projection one end is provided with spring.
7. a kind of intelligent guiding walking stick for blind person according to claim 6, it is characterised in that：Described fix bar one end is provided with screw thread, institute
State adjusting rod and be provided with retainer ring for being connected with thread helix.
8. a kind of intelligent guiding walking stick for blind person according to claim 1, it is characterised in that：Also include power supply module, power supply module bag
Include the power key for being connected to power supply module and the interface for being connected to power supply module.
9. a kind of blind-guiding method, it is characterised in that：Comprise the following steps：Step one：Electricity is sent to ultrasonic wave by control module
Road sends ultrasonic wave control signal, and ultrasonic wave transtation mission circuit receives ultrasonic wave control signal, and to emission ultrasonic signal；Step
Rapid two：The ultrasonic signal of reflection is received by ultrasonic wave receiving circuit, and feedback signal is sent to control module；Step 3：
After control module receives feedback signal, shake control signal is sent to shock module, shock module receives shake control letter
Number, and produce vibrations.
10. a kind of blind-guiding method according to claim 9, it is characterised in that：It is further comprising the steps of：By triggering device
Call request signal is sent to control module, control module receives call request signal, and sends Call- Control1 to calling module
Signal, calling module receives call control signals, and outwards dial-up.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710110651.XA CN106924018A (en) | 2017-02-28 | 2017-02-28 | Intelligent blind guiding stick and blind guiding method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710110651.XA CN106924018A (en) | 2017-02-28 | 2017-02-28 | Intelligent blind guiding stick and blind guiding method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106924018A true CN106924018A (en) | 2017-07-07 |
Family
ID=59424048
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710110651.XA Pending CN106924018A (en) | 2017-02-28 | 2017-02-28 | Intelligent blind guiding stick and blind guiding method thereof |
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| Country | Link |
|---|---|
| CN (1) | CN106924018A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111329196A (en) * | 2020-04-29 | 2020-06-26 | 合肥工业大学 | Automatic telescopic intelligent walking stick and intelligent obstacle avoidance method thereof |
| CN111529324A (en) * | 2020-05-07 | 2020-08-14 | 重庆工程学院 | Blind guide instrument based on computer vision |
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| KR100597614B1 (en) * | 2003-12-10 | 2006-07-19 | 전북대학교산학협력단 | Walking guide device for a blind man |
| CN101987061A (en) * | 2009-07-31 | 2011-03-23 | 倪海军 | Blind person stick system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111329196A (en) * | 2020-04-29 | 2020-06-26 | 合肥工业大学 | Automatic telescopic intelligent walking stick and intelligent obstacle avoidance method thereof |
| CN111329196B (en) * | 2020-04-29 | 2021-07-27 | 合肥工业大学 | Automatic telescopic intelligent walking stick and intelligent obstacle avoidance method thereof |
| CN111529324A (en) * | 2020-05-07 | 2020-08-14 | 重庆工程学院 | Blind guide instrument based on computer vision |
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Application publication date: 20170707 |
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