CN103565610A - Blind crutch with stretchable cross rod - Google Patents
Blind crutch with stretchable cross rod Download PDFInfo
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- CN103565610A CN103565610A CN201310467489.9A CN201310467489A CN103565610A CN 103565610 A CN103565610 A CN 103565610A CN 201310467489 A CN201310467489 A CN 201310467489A CN 103565610 A CN103565610 A CN 103565610A
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- stick
- blind man
- cross bar
- blind
- crutch
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Abstract
The invention discloses a blind crutch with a stretchable cross rod. The blind crutch comprises a handle, a crutch body and a crutch tip; the stretchable cross rod is arranged at the crutch tip; idler wheels are arranged at two ends of the cross rod; when being stretched, the stretchable cross rod is vertical to the crutch body for probing a road surface, and when being contracted, the stretchable cross rod is parallel with the crutch body; a corresponding limiting device is used for positioning when the cross rod is in the stretching or contracting states. The blind crutch further comprises an input module for detecting obstacles around the blind crutch, an output module for outputting a sound or vibration signal, a processor for controlling the system to work, a stretching-contracting switch for detecting the state of the cross rod, and a battery module for providing energy for the work of the blind crutch. The processor can learn the obstacle condition around the blind crutch by detecting the information of the input module, and then the processor can feeds the obstacle condition back to a user by the output module, the user can stretch the cross with the idler wheels to push or contract and recover the cross rod to the traditional use state, and the blind crutch has high practicability by conveniently changing the use state and visually outputting the signal.
Description
Technical field
The present invention relates to a kind of blind-guiding stick, especially a kind of have can folding and unfolding cross bar blind man's stick.
Background technology
Tradition blind man's stick mostly is straight-bar moulding, mainly handle, cane body and cane point, consists of.In use procedure, user is held cane and is not stopped to swing and knock road surface, the place ahead, finds out road ahead situation, finds and survey the barrier of advancing in road.Such detection mode efficiency is low, often understands some small stairs of test leakage, kick, craterlet and causes the generation of contingency, and the injured blind person that also makes to have an accident lacks the security, advances slower.If one cross bar is set at cane point near place, ground, cross bar two ends arrange roller, can carry out easily.Detection efficient is higher like this, is surveyed the road surface situation of advancing of one fixed width by cross bar line, surveys non-blind area.If the road ahead miss that cross bar pushes through goes out extremely, substantially can relievedly move ahead.
If but blind man's stick front end fixing a mechanical cross bar is set, also have some inconveniences, such as in complex road condition, crowded places, stair activity etc. occasion, or traditional state of single straight-bar is used more applicable.Be provided with in addition cross bar, investigative range has increased, and also just means that by barrier, the chance of conflict such as to be hooked, block larger, mechanical collision often occurs, then emergent stopping.
Summary of the invention
In order to solve the deficiency in above-mentioned prior art scheme, the invention provides a kind of have can folding and unfolding cross bar blind man's stick.
The object of the invention is to be achieved through the following technical solutions:
A kind of have can folding and unfolding cross bar blind man's stick, it comprises handle, cane body, cane point, described cane point place is provided with can folding and unfolding cross bar, cross bar two ends are respectively equipped with roller, described can put down perpendicular to cane body detection road surface by folding and unfolding cross bar, pack up and be parallel to cane body, cross bar is putting down or collapsed state, limited location device location.
User can put down with the cross bar of roller and carry out, or pack up cross bar according to environment for use, forms traditional state of similar single straight-bar.User can decide in its sole discretion and pack up or put down cross bar according to use occasion.For example, open outdoor, when road surface is all right, put down cross bar, do not detect abnormal with regard to relieved moving ahead fast.During to indoor going upstairs, just pack up cross bar, with the slow careful detection objects in front of before traditional mode.
Described blind man's stick, further comprises: input module, for detection of blind man's stick periphery barrier; Output module, output sound or vibration signal; Processor, control system work; Folding and unfolding switch, detects cross bar status; Input module, for detection of blind man's stick periphery barrier, comprises the upfront sensor, the below sensor that are located at cane point, be located at can folding and unfolding cross bar two ends left sensor, right-hand sensor;
Output module, output sound or vibration signal, described output module is located at handle or cane body near the position of handle;
Processor, control system work, described processor is located at handle or cane tip;
Folding and unfolding switch, for detection of cross bar status, described folding and unfolding switch is located at cane tip;
Battery module, for blind man's stick work provides energy, described battery module is located at handle or cane tip.
Described folding and unfolding switch is one or more in contact electrode, microswitch, magnetic induction switch, photoinduction switch, for detection of cross bar, is in down state or collapsed state.
If cross bar detected, be in down state, open forward direction, to, left-hand and dextrad sensor, detect down, and carry out output.If cross bar detected, be in collapsed state, close down to, left-hand and dextrad sensor, only carry out forward detection and output.
Described handle is provided with a plurality of oscillation points, and the ingenious distribution in oscillation point can make user intuitively understand barrier azimuth information, the obstacle information in the vibration output reflection blind man's stick the place ahead in the first oscillation point, the frequency representation blind man's stick of vibration and the distance of barrier; There is hole, hole the vibration output reflection blind man's stick below in the second oscillation point; The obstacle information of the vibration output reflection blind man's stick left in the 3rd oscillation point; Right-hand obstacle information of vibration output reflection blind man's stick in the 4th oscillation point; When user is hold by one hand handle, can touch the first oscillation point with forefinger, thumb and middle finger root touch the 3rd oscillation point, the 4th oscillation point, middle finger or all the other Fingertip touch the second oscillation point.
Oscillation point distribution mode ergonomically designs, user can direct feel be threatened be from front, under, direction or multiple directions in left and right.
Described input module is used one or more in infrared sensor, ultrasonic sensor, laser sensor.
Input module can detect by the mode of non-cpntact measurement blind man's stick periphery barrier and blind man's stick and the direct distance of barrier.
The outfan of described output module is one or more in vibrator, speaker, buzzer, earphone.
Oscillation point output is the preferred embodiments of the present invention.Except vibration output, can also use the device output sound information such as speaker, buzzer, reach the object of reminding user, also can use earphone jack output electrical signals finally at earphone place, to present acoustic information.
Compared with prior art, beneficial effect of the present invention is:
1, make user according to different environments for use, to change the form of blind man's stick;
2, can scan the place ahead road conditions comprehensively, avoid traditional blind man's stick left and right to tap the test leakage that mode brings and unexpected generation thing cause;
3, output oscillation point meets human engineering design, without changing lever posture before blind person, intuitive judgment threaten from direction;
4, use many probes, safety more comprehensively.Below sensor can detect the hole, hole on road surface, and left and right sensor can be reminded left and right barrier, produces guide effect.
Accompanying drawing explanation
With reference to accompanying drawing, disclosure of the present invention will be easier to understand.Those skilled in the art will readily understand: these accompanying drawings are only for illustrating technical scheme of the present invention, and be not intended to protection scope of the present invention to be construed as limiting.
Fig. 1 connects block diagram according to the blind man's stick Circuits System of the embodiment of the present invention 1;
Fig. 2 puts down cross bar using state schematic diagram according to the blind man's stick of the embodiment of the present invention 1;
Fig. 3 packs up cross bar using state schematic diagram according to the blind man's stick of the embodiment of the present invention 1;
Fig. 4 is the handle portion vibrator distribution schematic diagram according to the embodiment of the present invention 1;
In figure, cane body 11, cross bar 12, roller 13, handle 14, sensor 15, sensor 16, sensor 17, right-hand sensor 18, the first oscillation point 31, the second oscillation point 32, the 3rd oscillation point 33, the 4th oscillation point 34.
The specific embodiment
Fig. 1-4 and following declarative description optional embodiment of the present invention with instruction those skilled in the art, how to implement and to reproduce the present invention.In order to instruct technical scheme of the present invention, simplified or omitted some conventional aspect technical schemes.Those skilled in the art should understand that be derived from the modification of these modes or replace will be within the scope of the invention.Those skilled in the art should understand that following characteristics can combine to form a plurality of modification of the present invention in every way.Therefore, the present invention is not limited to following optional embodiment, and only by claim and their equivalent, is limited.
embodiment 1
Fig. 1 is that the blind man's stick Circuits System of the embodiment of the present invention 1 connects block diagram.Input module will record obstacle information and be delivered to processor.The status information of folding and unfolding switch is also delivered to processor.Processor, through calculation process, is controlled output module and is carried out output.Battery module provides energy for comprising the whole circuit workings such as input module, output module and processor.
The blind man's stick that Fig. 2 has schematically provided the embodiment of the present invention 1 puts down cross bar using state schematic diagram.As shown in Figure 2, described blind man's stick comprise cane body 11, can folding and unfolding cross bar 12, handle 14 forms.Can also be provided with roller 13 in folding and unfolding cross bar two ends.Input module comprises upfront sensor 15, below sensor 16, left sensor 17, the right-hand sensor 18 that is arranged on cane front end.
During use, the hand-held handle of user, blind man's stick be positioned at user's direct of travel before, cane body and ground are in a certain angle.Cross bar can be surveyed one fixed width road surface, substantially covers people's required width of walking, and the cover width of cross bar is advisable at 40cm ~ 70cm.User's blind man's stick that just do not need to swing in advancing is confirmed the road surface of advancing of certain Safe width like this.Cross bar two ends are also provided with roller, and cane body weight can be decomposed some to roller like this, have alleviated the fatigue of user's hand.During tradition blind man's stick is used, can often lift, fall, can omit the barriers such as some kick like this.And roller all keeps and ground laminating constantly, on the road surface of advancing, any projection higher than cross bar all can be detected.
Input module has a plurality of sensors, can carry out non-cpntact measurement.Input module comprises one or more in infrared sensor, ultrasonic sensor, laser sensor.Those skilled in the art understands the use principle of above-mentioned several sensors.Upfront sensor can survey in the certain limit of blind man's stick the place ahead whether have barrier, and with the distance of barrier.In like manner, right and left sensor is surveyed respectively right and left obstacle information.Below sensor is mainly used in surveying on two road surfaces between roller to be had not compared with hollow place hole.Sensor measurement to information deliver to processor, processor calculating is controlled output module again and is carried out output after processing.
Fig. 3 has schematically provided blind man's stick of the present invention and has packed up cross bar using state schematic diagram.While packing up, cross bar is parallel is affixed on cane body both sides, can be fixed on cane body by fixing buckle.The occupation mode of blind man's stick is similar to traditional blind man's stick.At this moment because cross bar is packed up, cane point often can built on stilts simultaneously, thus left and right and lower to sensor all need to stop using.Processor is packed up switch by detection and is judged that cross bar is in down state or collapsed state.Folding and unfolding switch is contact electrode, microswitch, magnetic induction switch or photoinduction switch etc., those skilled in the art are afamiliar with the method that various detection cross bars are packed up.When processor detects cross bar collapsed state, by about automatic shield and lower to sensor, no longer carry out corresponding measurement and output.
Fig. 4 has schematically provided handle portion vibrator distribution schematic diagram.As shown in Figure 4: on handle, be distributed with four oscillation points.The obstacle information in the vibration output reflection blind man's stick the place ahead in oscillation point 31.The frequency of vibration can represent the distance of blind man's stick and barrier.The vibration output reflection blind man's stick below in oscillation point 32 may have compared with hollow place hole.The obstacle information of the vibration output reflection blind man's stick left in oscillation point 33.Right-hand obstacle information of vibration output reflection blind man's stick in oscillation point 34.Distribution mode ergonomically designs, and user can be hold by one hand handle, with forefinger, touches forward direction oscillation point, and thumb and middle finger root touch side-to-side vibrations point, under middle finger or all the other Fingertip touch to oscillation point.Like this user just can direct feel threaten be from front, under, direction or multiple directions in left and right.The all right integrated battery module of handle portion is system power supply.System battery preferably, is used a chargeable lithium cell.Battery module comprises battery and Charge Management device.
Claims (6)
- One kind have can folding and unfolding cross bar blind man's stick, it is characterized in that: it comprises handle (14), cane body (11), cane point, described cane point place is provided with can folding and unfolding cross bar (12), cross bar two ends are respectively equipped with roller (13), described can put down perpendicular to cane body (11) detection road surface by folding and unfolding cross bar (12), pack up and be parallel to cane body (11), cross bar is putting down or collapsed state, limited location device location.
- 2. blind man's stick according to claim 1, is characterized in that: further comprise:Input module, for detection of blind man's stick periphery barrier, comprises the upfront sensor (15), the below sensor (16) that are located at cane point, be located at can folding and unfolding cross bar (12) two ends left sensor (17), right-hand sensor (18);Output module, output sound or vibration signal, described output module is located at handle or cane body near the position of handle;Processor, control system work, described processor is located at handle or cane tip;Folding and unfolding switch, for detection of cross bar status, described folding and unfolding switch is located at cane tip;Battery module, for blind man's stick work provides energy, described battery module is located at handle or cane tip.
- 3. blind man's stick according to claim 2, is characterized in that: described folding and unfolding switch is one or more in contact electrode, microswitch, magnetic induction switch, photoinduction switch, for detection of cross bar, is in down state or collapsed state.
- 4. blind man's stick according to claim 2, it is characterized in that: described handle (14) is provided with a plurality of oscillation points, the ingenious distribution in oscillation point, can make user intuitively understand barrier azimuth information, the obstacle information in the vibration output reflection blind man's stick the place ahead in the first oscillation point (31), the frequency representation blind man's stick of vibration and the distance of barrier; There is hole, hole the vibration output reflection blind man's stick below in the second oscillation point (32); The obstacle information of the vibration output reflection blind man's stick left in the 3rd oscillation point (33); Right-hand obstacle information of vibration output reflection blind man's stick in the 4th oscillation point (34); When user is hold by one hand handle, can touch the first oscillation point (31) with forefinger, thumb and middle finger root touch the 3rd oscillation point (33), the 4th oscillation point (34), middle finger or all the other Fingertip touch the second oscillation point (32).
- 5. blind man's stick according to claim 2, is characterized in that: described input module is one or more in infrared sensor, ultrasonic sensor, laser sensor.
- 6. blind man's stick according to claim 2, is characterized in that: the outfan of described output module is one or more in vibrator, speaker, buzzer, earphone.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310467489.9A CN103565610A (en) | 2013-10-10 | 2013-10-10 | Blind crutch with stretchable cross rod |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310467489.9A CN103565610A (en) | 2013-10-10 | 2013-10-10 | Blind crutch with stretchable cross rod |
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| CN103565610A true CN103565610A (en) | 2014-02-12 |
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| CN201310467489.9A Pending CN103565610A (en) | 2013-10-10 | 2013-10-10 | Blind crutch with stretchable cross rod |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104835287A (en) * | 2015-05-09 | 2015-08-12 | 广西科技大学 | Early warning and calling system protecting travelling safety of the aged and implementation method |
| CN106344358A (en) * | 2016-10-31 | 2017-01-25 | 榆林学院 | Control circuit applied to safety crutch for blind person |
| CN107137210A (en) * | 2017-06-23 | 2017-09-08 | 常州信息职业技术学院 | A kind of intelligent guiding walking stick for blind person |
| CN108261725A (en) * | 2018-02-11 | 2018-07-10 | 于健明 | Three-dimensional finger brain tonic rod |
| CN109125005A (en) * | 2018-10-27 | 2019-01-04 | 滁州市润琦碳纤维制品有限公司 | A kind of carbon fiber blind man's stick |
| CN110522613A (en) * | 2019-09-04 | 2019-12-03 | 西安交通大学医学院第一附属医院 | A kind of rehabilitation walking stick |
| CN111544267A (en) * | 2020-05-09 | 2020-08-18 | 上海忆益信息科技有限公司 | Intelligent blind crutch |
| CN114010467A (en) * | 2021-11-22 | 2022-02-08 | 青岛黄海学院 | Multi-feedback-path blind guiding device with vibration and sound prompt |
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| CN101940523A (en) * | 2010-09-20 | 2011-01-12 | 广东格兰仕集团有限公司 | Blind-guiding stick and use method thereof |
| CN202761651U (en) * | 2012-08-02 | 2013-03-06 | 河海大学 | Novel intelligent guide cane |
| CN202802088U (en) * | 2012-05-23 | 2013-03-20 | 成都翼诚电子有限公司 | Intelligent omnidirectional-detection tactile stick provided with compass positioning function |
| CN203029572U (en) * | 2013-01-25 | 2013-07-03 | 张钧凯 | Blindness-guiding stick |
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Patent Citations (5)
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| CN101940523A (en) * | 2010-09-20 | 2011-01-12 | 广东格兰仕集团有限公司 | Blind-guiding stick and use method thereof |
| CN202802088U (en) * | 2012-05-23 | 2013-03-20 | 成都翼诚电子有限公司 | Intelligent omnidirectional-detection tactile stick provided with compass positioning function |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104835287A (en) * | 2015-05-09 | 2015-08-12 | 广西科技大学 | Early warning and calling system protecting travelling safety of the aged and implementation method |
| CN106344358A (en) * | 2016-10-31 | 2017-01-25 | 榆林学院 | Control circuit applied to safety crutch for blind person |
| CN107137210A (en) * | 2017-06-23 | 2017-09-08 | 常州信息职业技术学院 | A kind of intelligent guiding walking stick for blind person |
| CN108261725A (en) * | 2018-02-11 | 2018-07-10 | 于健明 | Three-dimensional finger brain tonic rod |
| CN108261725B (en) * | 2018-02-11 | 2021-01-12 | 山西于工科技有限公司 | Three-dimensional finger brain-strengthening stick |
| CN109125005A (en) * | 2018-10-27 | 2019-01-04 | 滁州市润琦碳纤维制品有限公司 | A kind of carbon fiber blind man's stick |
| CN110522613A (en) * | 2019-09-04 | 2019-12-03 | 西安交通大学医学院第一附属医院 | A kind of rehabilitation walking stick |
| CN111544267A (en) * | 2020-05-09 | 2020-08-18 | 上海忆益信息科技有限公司 | Intelligent blind crutch |
| CN114010467A (en) * | 2021-11-22 | 2022-02-08 | 青岛黄海学院 | Multi-feedback-path blind guiding device with vibration and sound prompt |
| CN114010467B (en) * | 2021-11-22 | 2023-08-18 | 青岛黄海学院 | Multi-feedback-path blind guide with vibration and voice prompt functions |
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Application publication date: 20140212 |