CN206714929U - A kind of blind guide - Google Patents

Abstract

It the utility model is related to blind man navigation field, refer in particular to a kind of blind guide, it includes body, front wheels and rear wheels are installed on the body, the trailing wheel is universal rotational wheel, the trailing wheel is arranged on body by trailing wheel fixed seat, and the trailing wheel is connected with for the steering yoke one end for adjusting rear-axle steering, and handle is provided with the other end of the steering yoke；The surface evenness detection module for detecting road surface ahead flatness and the obstacle avoidance module for detecting front obstacle are provided with the body；The alarm module for informing condition of road surface to blind userses is equiped with the handle；The surface evenness detection module, obstacle avoidance module connect the control system being controlled by body with alarm module, and the utility model can overcome the difficulty of blind person in the process of walking.

Description

A kind of blind guide

Technical field

Blind man navigation field is the utility model is related to, refers in particular to a kind of blind guide.

Background technology

China blind person substantial amounts at present, it is necessary to carry out guide by sidewalk for visually impaired people when usual blind person goes on a journey, but China is much blind More or less destruction and danger all be present in road；Floor among some sidewalk for visually impaired people is directly removed, and hollow is formed among sidewalk for visually impaired people； Some street pedlars takes sidewalk for visually impaired people trade, large area by sidewalk for visually impaired people occupy-place, oneself uses；It is a kind of to there is substantial amounts of melon and fruit vegetable skin in some sidewalk for visually impaired people Rubbish；Even directly fallen in after the cable breakage in some roadsides in sidewalk for visually impaired people；These phenomenons are all made troubles to blind person's trip, very To bringing life danger.

Also a kind of guide mode is to use seeing-eye dog guide, and seeing-eye dog cultivates funds costliness, typically cultivates a guide Dog will spend 200,000 or so；But it is not allow to lead pet to occur in present public place；If seeing-eye dog is relied on, first Seeing-eye dog is expensive, and many people are difficult to pay；Secondly the environment that seeing-eye dog comes in and goes out is limited, and it is difficult with seeing-eye dog to cause blind person Into public place.It is unfavorable for the trip of blind person.

Therefore a kind of effective and cheap, easy to use blind-guide device is designed, to being very necessary for blind person 's.

Utility model content

The purpose of this utility model is：For above-mentioned problem, there is provided a kind of blind guide, to help blind person to overcome Difficulty in walking.

The technical solution adopted in the utility model is as follows：

A kind of blind guide, it includes body, and front wheels and rear wheels are provided with the body, and the trailing wheel is universal rotational Wheel, the trailing wheel are arranged on body by trailing wheel fixed seat, the trailing wheel and steering yoke one end for adjusting rear-axle steering Connect, handle is provided with the other end of the steering yoke；It is provided with the body for detecting road surface ahead flatness Surface evenness detection module and the obstacle avoidance module for detecting front obstacle；It is equiped with the handle for informing road Alarm module of the situation to blind userses；The surface evenness detection module, obstacle avoidance module are connected with alarm module and are controlled by Control system in body.

Due to said structure, blind person holds handle, promotes blind guide movement, blind guide is as the auxiliary branch in walking process Stake tool, ensure the safety in blind person's walking process, avoid blind person's collision object and tumble；The surface evenness detects mould Block, obstacle avoidance module and alarm module in the presence of control system can automatic identification condition of road surface, and condition of road surface is informed Seen to blind userses, blind userses can be made voluntarily to judge, and then pay attention to walking safety.The convenience come for the treads of blind person. The trailing wheel is universal wheel, and blind guide can be facilitated to be turned and deflecting.

Further, the body includes top surface, bottom surface, left surface, right flank and the trailing flank of arc；The top surface leans on Surface evenness detection module is provided with nearly bottom surface, the top surface is provided with obstacle avoidance module at trailing flank；The bottom surface Front center is provided with a front-wheel；Trailing wheel fixed seat is provided with the trailing flank；The trailing wheel is pacified by Rear wheel support frame In trailing wheel fixed seat；Mud cover is installed on the left surface and right flank, the mud cover by rear wheel cover wherein.

Further, a through hole is offered in the trailing wheel fixed seat, the through hole is used for and Rear wheel support frame is flexibly connected； The Rear wheel support frame includes rotary shaft and transverse axis, and the rotary shaft lower end is vertical with the middle part of transverse axis and is fixedly connected, the horizontal stroke Axle both ends are separately installed with a trailing wheel；The rotary shaft is flexibly connected with the through hole in trailing wheel fixed seat, and rotary shaft upper end is worn Cross the through hole；The rotary shaft upper end is connected with steering yoke, and direction bar can drive rotary shaft to rotate, and then drives trailing wheel to become To.

Further, the steering yoke is flexibly connected with rotary shaft upper end, so that steering yoke can be spun upside down.

Due to said structure, steering yoke can be spun upside down, and then can be applied to the crowd of different heights.

Further, wheel diameter is 3~5 times of preceding wheel diameter after described.

Further, some LED warning lamps are provided with the mud cover；Reflection type police-man is provided with the wheel hub of the trailing wheel Show circle, the reflection alarming circle, the reflection alarming circle is embedded photoluminescent material.

Due to said structure, LED warning lamps and reflection alarming circle can warn other people, so as to ensure blind person in walking process In safety.

Further, the control system includes central processing unit, is connected with start button on the central processing unit, stops Only button, power module, surface evenness detection module, obstacle avoidance module, alarm module and LED warning lamps；

The surface evenness detection module includes pavement detection camera and pavement image processing module, the road surface inspection Camera is surveyed by pavement image processing module with central processing unit to be connected；

The obstacle avoidance module includes detection of obstacles camera, barrier image processing module and arrived for detecting barrier The infrared ray distance detection sensor or ultrasonic distance detection sensor of body distance；The detection of obstacles camera passes through Barrier image processing module is connected with central processing unit；The infrared ray distance detection sensor or ultrasonic distance detection pass Sensor is directly connected with central processing unit；

The alarm module includes vibrator and loudspeaker, and the vibrator and loudspeaker are both connected on central processing unit.

Further, voice input module and the GPS moulds for positioning and navigating are also associated with the central processing unit Block；The voice input module includes voice receiver and sound identification module, and the voice receiver passes through speech recognition mould Block is connected with central processing unit；The sound identification module includes subscriber identification module and navigation information identification module.

In summary, by adopting the above-described technical solution, the beneficial effects of the utility model are：

Blind guide of the present utility model, barrier that can be in front of automatic detection, detect the flat condition on road surface, Neng Goutong Cross voice broadcast and carry out reminding blind, pay attention to the safety during walking along the street, be easy to Manchu to judge condition of road surface, the blind guide can be real The positioning and navigation of existing blind person, navigation route information is provided for blind person.

Brief description of the drawings

Fig. 1 is front view of the present utility model；

Fig. 2 is top view of the present utility model.

Embodiment

Below in conjunction with the accompanying drawings, the utility model is described in detail.

In order that the purpose of this utility model, technical scheme and advantage are more clearly understood, below in conjunction with accompanying drawing and implementation Example, the utility model is further elaborated.It should be appreciated that specific embodiment described herein is only explaining The utility model, it is not used to limit the utility model.

A kind of blind guide, it includes body, and front-wheel 9 and trailing wheel 7 are provided with the body, and the trailing wheel 7 is universal turn Driving wheel, the trailing wheel 7 are arranged on body by the fixed seat 3 of trailing wheel 7, the trailing wheel 7 and the direction for adjusting the steering of trailing wheel 7 The one end of bar 2 is connected, and handle 1 is provided with the other end of the steering yoke 2；It is provided with the body for detecting road surface ahead The surface evenness detection module 10 of flatness and the obstacle avoidance module 12 for detecting front obstacle；Installed on the handle 1 There is the alarm module for reminding blind user；The surface evenness detection module 10, obstacle avoidance module 12 and alarm module connect Connect the control system being controlled by body.

The body includes top surface 11, bottom surface 8, left surface, right flank and the trailing flank 13 of arc；The top surface 11 is close Surface evenness detection module 10 is provided with bottom surface 8, the top surface 11 is provided with obstacle avoidance module 12 at trailing flank 13；Institute State the front center of bottom surface 8 and be provided with a front-wheel 9；The fixed seat 3 of trailing wheel 7 is provided with the trailing flank 13；The trailing wheel 7 passes through The support frame of trailing wheel 7 is arranged in the fixed seat 3 of trailing wheel 7；Mud cover 5 is installed on the left surface and right flank, the mud cover 5 will Trailing wheel 7 covers on wherein.

A through hole is offered in the fixed seat 3 of trailing wheel 7, the through hole is used for and the support frame of trailing wheel 7 is flexibly connected；After described Taking turns 7 support frames includes rotary shaft 4 and transverse axis, and the lower end of rotary shaft 4 is vertical with the middle part of transverse axis and is fixedly connected, the transverse axis two End is separately installed with a trailing wheel 7；The rotary shaft 4 is flexibly connected with the through hole in the fixed seat 3 of trailing wheel 7, and the upper end of rotary shaft 4 is worn Cross the through hole；The upper end of rotary shaft 4 is connected with steering yoke 2, and direction bar 2 can drive rotary shaft 4 to rotate, and then drives trailing wheel 7 deflectings.

The steering yoke 2 is flexibly connected with the upper end of rotary shaft 4, so that steering yoke 2 can be spun upside down.

The diameter of trailing wheel 7 is 3~5 times of the diameter of front-wheel 9.

Some LED warning lamps 6 are provided with the mud cover 5；Reflection alarming circle is provided with the wheel hub of the trailing wheel 7, The reflection alarming circle, the reflection alarming circle are embedded photoluminescent material.

The control system includes central processing unit, and start button, stop button, electricity are connected with the central processing unit Source module, surface evenness detection module 10, obstacle avoidance module 12, alarm module and LED warning lamps 6；

The surface evenness detection module 10 includes pavement detection camera and pavement image processing module, the road surface Detection camera is connected by pavement image processing module with central processing unit；

The obstacle avoidance module 12 includes detection of obstacles camera, barrier image processing module and for detecting barrier To the infrared ray distance detection sensor or ultrasonic distance detection sensor of body distance；The detection of obstacles camera leads to Barrier image processing module is crossed with central processing unit to be connected；The infrared ray distance detection sensor or ultrasonic distance detection Sensor is directly connected with central processing unit；

The alarm module includes vibrator and loudspeaker, and the vibrator and loudspeaker are both connected on central processing unit.

Voice input module and the GPS module for positioning and navigating are also associated with the central processing unit；Institute's predicate Sound input module includes voice receiver and sound identification module, and the voice receiver passes through sound identification module and centre Reason device is connected；The sound identification module includes subscriber identification module and navigation information identification module.

The control method of the blind guide is as follows：

Step 1：Start button is pressed, power module is powered for central processing unit, and LED warning lamps are lighted；

Step 2：Voice receiver receives the voice signal of blind userses, and the voice signal includes what blind userses to be reached Destination information；

Step 3：Subscriber identification module in sound identification module identifies whether the voice signal is to specify blind userses hair The voice gone out；It is then to enter in next step, it is no, then return to step 1；

Step 4：Navigation information identification module in sound identification module reads the destination information in voice signal；

Step 5：GPS module positions current location, and plans current location to the path of destination, the path that will have been planned Information is sent to central processing unit；After central processing unit received path message, navigation information is sent to loudspeaker, broadcasts loudspeaker voice Navigation information is put, blind userses is walked by voice navigation information；

Step 6：The pavement image information detected is sent to pavement image processing module and entered by the inspection of pavement detection camera Row analysis, to obtain surface evenness condition information, then central processing unit receives surface evenness condition information and controls loudspeaker Speech play road surface shape flatness condition information is to blind userses；

Step 7：When the surface evenness situation detected, which is not suitable for blind person, passes through, central processing unit sends warning message To vibrator, shake vibrator, to warn blind userses；The central processing unit if surface evenness situation is adapted to blind person current Warning message is not sent not shake to vibrator, electromagnetic shaker；

Step 8：The front obstacle image information detected is sent at obstructions chart picture by detection of obstacles camera Reason module is analyzed, and to obtain the shape size information of barrier, then central processing receives the shape size letter of barrier Cease and control the shape size information of loudspeaker speech play barrier to be easy to blind person to judge walking path to blind userses；

Step 9：Infrared ray distance detection sensor or ultrasonic distance detection sensor detection front obstacle arrive machine The distance of body, the distance detected is sent to central processing unit, central processing unit retransmits distance signal makes loudspeaker to loudspeaker Speech play front obstacle distance gives blind userses；

Step 10：Stop button is pressed, power module stops powering for central processing unit, and LED warning lamps extinguish.

Preferred embodiment of the present utility model is the foregoing is only, it is all at this not to limit the utility model All any modification, equivalent and improvement made within the spirit and principle of utility model etc., should be included in the utility model Protection domain within.

Claims (8)

1. a kind of blind guide, it is characterized in that, it includes body, and front-wheel is provided with the body（9）And trailing wheel（7）, after described Wheel（7）For universal rotational wheel, the trailing wheel（7）Pass through trailing wheel（7）Fixed seat（3）On body, the trailing wheel（7）With with In regulation trailing wheel（7）The steering yoke of steering（2）One end connects, the steering yoke（2）The other end on be provided with handle（1）；Institute State the surface evenness detection module being provided with body for detecting road surface ahead flatness（10）Hinder with for detecting front Hinder the obstacle avoidance module of thing（12）；The handle（1）On be equiped with alarm module for reminding blind user；The evenness of road surface Spend detection module（10）, obstacle avoidance module（12）The control system being controlled by body is connected with alarm module.

2. a kind of blind guide according to claim 1, it is characterized in that, the body includes the top surface of arc（11）, bottom surface （8）, left surface, right flank and trailing flank（13）；The top surface（11）Close to bottom surface（8）Place is provided with surface evenness detection mould Block（10）, the top surface（11）Close to trailing flank（13）Place is provided with obstacle avoidance module（12）；The bottom surface（8）Front center is set There is a front-wheel（9）；The trailing flank（13）On be provided with trailing wheel（7）Fixed seat（3）；The trailing wheel（7）Pass through trailing wheel（7）Branch Support is arranged on trailing wheel（7）Fixed seat（3）On；Mud cover is installed on the left surface and right flank（5）, the mud cover（5） By trailing wheel（7）Cover on wherein.

3. a kind of blind guide according to claim 2, it is characterized in that, the trailing wheel（7）Fixed seat（3）On to offer one logical Hole, the through hole is used for and trailing wheel（7）Support frame is flexibly connected；The trailing wheel（7）Support frame includes rotary shaft（4）And transverse axis, institute State rotary shaft（4）Lower end is vertical with the middle part of transverse axis and is fixedly connected, and the transverse axis both ends are separately installed with a trailing wheel（7）；It is described Rotary shaft（4）With trailing wheel（7）Fixed seat（3）On through hole be flexibly connected, and rotary shaft（4）Upper end passes through the through hole；Described turn Moving axis（4）Upper end and steering yoke（2）Connection, direction bar（2）Rotary shaft can be driven（4）Rotate, and then drive trailing wheel（7）Become To.

4. a kind of blind guide according to claim 3, it is characterized in that, the steering yoke（2）With rotary shaft（4）Upper end activity is even Connect, so that steering yoke（2）It can spin upside down.

5. a kind of blind guide according to claim 4, it is characterized in that, the trailing wheel（7）Diameter is front-wheel（9）The 3~5 of diameter Times.

6. a kind of blind guide according to claim 5, it is characterized in that, the mud cover（5）On be provided with some LED warning lamps （6）；The trailing wheel（7）Wheel hub on be provided with reflection alarming circle, the reflection alarming circle, the reflection alarming circle is photic hair Luminescent material.

7. a kind of blind guide according to claim 6, it is characterized in that, the control system includes central processing unit, in described Start button, stop button, power module, surface evenness detection module are connected with central processor（10）, obstacle avoidance module （12）, alarm module and LED warning lamps（6）；

The surface evenness detection module（10）Including pavement detection camera and pavement image processing module, the road surface inspection Camera is surveyed by pavement image processing module with central processing unit to be connected；

The obstacle avoidance module（12）Arrived including detection of obstacles camera, barrier image processing module and for detecting barrier The infrared ray distance detection sensor or ultrasonic distance detection sensor of body distance；The detection of obstacles camera passes through Barrier image processing module is connected with central processing unit；The infrared ray distance detection sensor or ultrasonic distance detection pass Sensor is directly connected with central processing unit；

The alarm module includes vibrator and loudspeaker, and the vibrator and loudspeaker are both connected on central processing unit.

8. a kind of blind guide according to claim 7, it is characterized in that, phonetic entry mould is also associated with the central processing unit Block and the GPS module for positioning and navigating；The voice input module includes voice receiver and sound identification module, described Voice receiver is connected by sound identification module with central processing unit；The sound identification module include subscriber identification module and Navigation information identification module.