CN103892996A - Guide system - Google Patents
Guide system Download PDFInfo
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- CN103892996A CN103892996A CN201410143328.9A CN201410143328A CN103892996A CN 103892996 A CN103892996 A CN 103892996A CN 201410143328 A CN201410143328 A CN 201410143328A CN 103892996 A CN103892996 A CN 103892996A
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- walking stick
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Abstract
The invention provides a guide system which is characterized by comprising a walking stick portion, an earphone portion and a belt portion. The walking stick portion is gripped in the hand of a user and is used for detecting and computing obstacle distances and transmitting voice warning information and the obstacle distances; the user wears the earphone portion on the ears of the user, and the earphone portion is wirelessly communicated and connected with the walking stick portion, can receive the voice warning information transmitted by the walking stick portion and amplifies and outputs the voice warning information; the user wears the belt portion on the waist of the user, and the belt portion is used for receiving the obstacle distances transmitted by the walking stick portion and realizes a vibrating effect according to the distances. The guide system has the advantages that the obstacle distances from a guide walking stick to obstacles around the guide walking stick can be detected and computed, and then warning and vibrating effects can be realized on the basis of the obstacle distances.
Description
Technical field
The present invention relates to a kind of in order to measure the distance between barrier and to send warning message and the blind guiding system of vibrations.
Background technology
Blind person is class disadvantaged group, and China approximately has blind person more than 1,500 ten thousand at present, and this numeral is also increasing year by year, due to physiological defect, blind person taking care of oneself, there is a lot of inconvenience the aspect such as work.Wherein walking out of doors, blind person can only rely on crutch and the audition in hands comprehensively to judge barrier around, there is no the security.Blind person is difficult to safety walking in the situation that nobody accompanies.Government Expenditure huge fund, to urban road reform, is set up accessible footpath, sets up alarm signal etc. at traffic light intersection.However, blind person still feels inconvenience.Associated electrical blind-guide device is also studied and produced in lot of domestic and international mechanism.
But the protective effect that existing blind-guide device can provide is not obvious, if blind person walks in more noisy environment, even if there is voice message warning message clearly can not be passed to blind person, therefore, safety when blind person walks can not get sufficient guarantee.
Summary of the invention
The object of the present invention is to provide a kind of real-time detection user peripheral obstacle, and and the blind guiding system of alarm and vibrations.
For achieving the above object, the invention provides a kind of can survey and calculate the distance of obstacle between blind guiding stick and its peripheral obstacle after and the blind guiding system of reporting to the police and shaking based on this distance, there is such feature, comprise: walking stick portion, held in user hands, for surveying and calculating distance of obstacle and send audio alert information and distance of obstacle; Earphone portion, is worn on the ear of user, is connected and amplifies output by receiving the audio alert information of being sent by walking stick portion with walking stick portion by radio communication; And belt portion, be worn on the waist of user, for receiving the distance of obstacle being sent by walking stick portion and shaking according to this distance, wherein, walking stick portion has: at least one range cells, comprise respectively for detecting obstacles thing and send the detector of obstacle signal and be connected with detector, for calculate the computer of distance of obstacle between walking stick portion and barrier according to obstacle signal; Information storage generation unit, the information storage unit that comprises the warning message for storing default form, and is connected with information storage unit, for generate the Information generation device of audio alert information according to the warning message of the default form of storage; Walking stick side wireless communication unit, for sending audio alert information and transmitting distance of obstacle data to belt portion to earphone portion; And walking stick side judges control unit, be connected respectively with range cells, information storage unit and Information generation device, generate audio alert information and control walking stick side wireless communication unit to earphone portion transmission audio alert information and send distance of obstacle to belt portion for control Information generation device in the time that distance of obstacle is less than the predetermined upper distance limit of walking stick side, earphone portion has: earpiece side wireless communication unit, for receiving the audio alert information of being sent by walking stick side wireless communication unit; And voice amplify output unit, be connected with earpiece side wireless communication unit, for amplifying and exporting audio alert information, play, belt portion has: belt side wireless communication unit, for receiving the distance of obstacle being sent by walking stick side wireless communication unit; Vibrations unit, for shaking; And belt side judges control unit, be connected with vibrations unit with belt side wireless communication unit, control the vibrations of vibrations unit when be less than the predetermined upper distance limit of walking stick side at distance of obstacle.
In blind guiding system in the present invention, also there is such feature: wherein, range cells quantity is one, be arranged in the opposing positive forward position of walking stick portion and user, for measuring the distance between walking stick portion and the barrier of positive front side.
In blind guiding system in the present invention, also there is such feature: wherein, range cells quantity is three, be separately positioned on walking stick portion and user want away from positive forward position, leftward position and right positions, for measuring respectively the distance between walking stick portion and the barrier of positive forward position, leftward position and right positions.
In blind guiding system in the present invention, also there is such feature: wherein, walking stick portion, also has walking stick side scheduled unit, for the predetermined upper distance limit of walking stick side is preset.
In blind guiding system in the present invention, also there is such feature: wherein, belt portion, also has belt side scheduled unit, for the predetermined upper distance limit of belt side is preset.
Invention effect
According to blind guiding system involved in the present invention, detector can send obstacle signal in the time detecting barrier, computer calculates distance of obstacle and is transferred to walking stick side and judges control unit after reception obstacle signal, be less than the predetermined upper distance limit of walking stick side once distance of obstacle, Information generation device just generates audio alert information and is transferred to earpiece side wireless communication unit by walking stick side wireless communication unit, earpiece side wireless communication unit amplifies output unit by this information transmission to voice again and amplifies output, remind user to have barrier to dodge in time around, belt side wireless communication unit is receiving after the distance of obstacle that walking stick side wireless communication unit sends, if when this distance is less than the predetermined upper distance limit of walking stick side, vibrations unit shakes at user waist, realize and alarm.And the application of every technology is comparatively ripe, and this system can also make full use of existing equipment, in good addressing the above problem, can reduce costs, make the present invention have higher practical value and realistic meaning.The blind guiding system that the present invention proposes be can carry out real-time detection user peripheral obstacle, and and alarm and vibrations a kind of not only there is audio alert but also there is the efficient of vibrations sense of touch, reliably blind guiding system.
Brief description of the drawings
Fig. 1 is the structured flowchart of the present invention's blind guiding system in an embodiment;
Fig. 2 is the present invention blind guiding system walking stick portion in an embodiment and the action flow chart of earphone portion;
Fig. 3 is the present invention blind guiding system walking stick portion in an embodiment and the action flow chart of belt portion; And
Fig. 4 is the structural representation of facing of the present invention blind guiding system walking stick portion in an embodiment.
Detailed description of the invention
Referring to drawings and Examples, blind guiding system involved in the present invention is explained in detail.
Embodiment
Fig. 1 is the structured flowchart of the present invention's blind guiding system in an embodiment.
As shown in Figure 1, the blind guiding system 100 in this example can real-time detection and after detecting barrier, is carried out audio alert and vibrations, and blind guiding system 100 comprises walking stick portion 10, earphone portion 20 and belt portion 30.Wherein, walking stick portion 10 comprises: top, front side range cells 11a, below, front side range cells 11b, left side range cells 11c, right side range cells 11d, information storage generation unit 12, walking stick side wireless communication unit 13, walking stick side scheduled unit 14 and walking stick side judge control unit 15.Earphone portion 20 comprises: earpiece side wireless communication unit 21 and voice amplify output unit 22.Belt portion 30 comprises: belt side wireless communication unit 31, vibrations unit 32, belt side judge control unit 33 and belt side scheduled unit 34.
Top, front side range cells 11a, below, front side range cells 11b, left side range cells 11c, right side range cells 11d, all adopt HC-SR04 ultrasonic distance measuring module, the contactless distance sensing function of 2cm-400cm can be provided, range accuracy can reach 3mm, be placed in walking stick portion 10, for surveying the barrier around user and calculating distance of obstacle data.Because the structure of 4 range cells is identical with effect, side top range cells 11a is that example describes before this.The obstacle signal detecting is transferred to computer 112a by detector 111a in the range cells 11a of top, front side, and computer 112a calculates distance of obstacle according to obstacle signal.
Information storage generation unit 12, adopts ISD1730 high tone quality audio record circuit, wherein includes information storage unit 121 and Information generation device 122.Information storage unit 121 is for store alarms information, and Information generation device 122 is combined the warning message being stored in information storage unit 121 with distance of obstacle data, generate audio alert information, for example: front 2m has the barrier of high about 1m, please dodges in time.
Walking stick side judges control unit 15, adopt STC single-chip microcomputer-STC12C5A60S2-35I-PDIP40, be connected respectively with walking stick side wireless communication unit 13 with top, front side range cells 11a, below, front side range cells 11b, left side range cells 11c, right side range cells 11d, information storage generation unit 12.When receiving from top, front side range cells 11a, below, front side range cells 11b, left side range cells 11c, when the distance of obstacle that in the range cells 11d of right side, any 1 transmission comes is less than 2m, walking stick side judges to be judged user by control unit 15 around dangerous barrier control information storage generation unit 12 generates audio alert information, walking stick side judges that control unit 15 receives audio alert information and is transferred to earpiece side wireless communication unit 21 by walking stick side wireless communication unit 13, walking stick side judges that control unit 15 is also transferred to belt side wireless communication unit 31 by distance of obstacle by walking stick side wireless communication unit 13.
Walking stick side wireless communication unit 13, the bluetooth module of employing CSRBC417143 chip, this chip is supported bluetooth 2.0 agreements and EDR pattern, for sending audio alert information and distance of obstacle.
Walking stick side scheduled unit 14, for presetting walking stick side upper distance limit, while there is barrier in walking stick side upper distance limit, earphone portion can carry out audio alert.
Earpiece side wireless communication unit 21, the bluetooth module of employing CSRBC417143 chip, for receiving the audio alert information of sending from walking stick side wireless communication unit 13, and is transferred to voice amplification output unit 22.
Voice amplify output unit 22, the audio alert information receiving for amplifying output.
Belt side wireless communication unit 31, adopts the bluetooth module of CSRBC417143 chip, for receiving the distance of obstacle sending from walking stick side wireless communication unit 13, and is transferred to belt side and judges control unit 33.
Belt side scheduled unit 34, for presetting belt side upper distance limit, while there is barrier in belt side upper distance limit, belt portion can shake.
Belt side judges control unit 33, adopt STC single-chip microcomputer-STC12C5A60S2-35I-PDIP40, be connected respectively with vibrations unit 32 with belt side wireless communication unit 31, when the distance of obstacle receiving when belt side wireless communication unit 31 is less than 2m, controls vibrations unit 32 and shake.
Fig. 2 is the present invention blind guiding system walking stick portion in an embodiment and the action flow chart of earphone portion.
As shown in Figure 2, in blind guiding system 100, the motion flow of walking stick portion 10 and earphone portion 20, comprises the steps:
Step S11:
System initialization enters S12.
Step S12:
Top, front side range cells 11a, below, front side range cells 11b, left side range cells 11c, right side range cells 11d detect obstacle signal and calculate distance of obstacle and enter step S13.
Step S13:
Walking stick side judges that control unit 16 judges, if distance of obstacle is less than 2m, enters step S14; If distance of obstacle is greater than 2m, return to step S12.
Step S14:
Information storage generation unit 12 sends audio alert information and enters step S15.
Step S15:
Earpiece side wireless communication unit 22 receives audio alert information and enters step S16.
Step S16:
If radio communication is successfully established, enter step S17; If radio communication is set up unsuccessful, return to step S15.
Step S17:
Voice amplify output unit 21 and amplify output audio alert information, then enter done state.
Fig. 3 is the present invention blind guiding system walking stick portion in an embodiment and the flow chart of belt portion.
As shown in Figure 3, in blind guiding system 100, the motion flow of walking stick portion 10 and belt portion 30, comprises the steps:
Step S21:
System initialization enters S22.
Step S22:
Top, front side range cells 11a, below, front side range cells 11b, left side range cells 11c, right side range cells 11d detect barrier and calculate distance of obstacle data and enter step S23.
Step S23:
Send distance of obstacle and enter step S24.
Step S24:
Belt side wireless communication unit 31 receives distance of obstacle.
Step S25:
Belt side judges that control unit 33 judges, if distance of obstacle is less than 2m, enters step S26; If distance of obstacle is greater than 2m, return to step S24.
Step S26:
Fig. 4 is the structural representation of facing of the present invention blind guiding system walking stick portion in an embodiment.
As shown in Figure 4, in this example, walking stick side judges that control unit 16 is placed on walking stick body, the junction of handgrip 41 and cane body 42.Front side top range cells 11a and below, front side range cells 11d are placed in respectively cane body 42 and user opposing top position, front side and front side lower position, for surveying the distance between walking stick portion 10 and top, front side and below, front side barrier.Left side range cells 11b is placed in cane body 42 with respect to centre position, user left side, for surveying the distance between walking stick portion 10 and left side barrier.Right side range cells 11c is placed in cane body 42 with respect to centre position, user right side, for surveying the distance between walking stick portion 10 and right side barrier.
The effect of embodiment and effect
According to the related blind guiding system of the present embodiment, detector can send obstacle signal in the time detecting barrier, computer calculates distance of obstacle and is transferred to walking stick side and judges control unit after reception obstacle signal, be less than 2m once distance of obstacle, Information generation device just generates audio alert information and is transferred to earpiece side wireless communication unit by walking stick side wireless communication unit, earpiece side wireless communication unit amplifies output unit by this information transmission to voice again and amplifies output, remind user to have barrier to dodge in time around, belt side wireless communication unit is receiving after the distance of obstacle that walking stick side wireless communication unit sends, if when this distance is less than 2m, vibrations unit shakes at user waist, realize and alarm.The related blind guiding system of the present embodiment can be reminded user in time by audio alert and vibrations, allows it dodge, and has improved safety.Walking stick side scheduled unit and belt side scheduled unit can all can set be voluntarily applicable to that blind person often comes in and goes out and the environment of walking in safe distance, for example in downtown area or spacious suburb can be adjusted to best safe distance.And this blind guiding system barrier that can not only survey user front side can also be surveyed the barrier on user left side and right side.
Above-mentioned embodiment is preferred case of the present invention, is not used for limiting the scope of the invention.
Claims (5)
1. after surveying and calculate the distance of obstacle between user and its peripheral obstacle and the blind guiding system of reporting to the police and shaking based on this distance, it is characterized in that, comprising:
Walking stick portion, is held in described user hands, for detecting described distance of obstacle and sending audio alert information and described distance of obstacle;
Earphone portion, is worn on the ear of described user, is connected and amplifies output by receiving the described audio alert information of being sent by described walking stick portion with described walking stick portion by radio communication; And
Belt portion, is worn on the waist of described user, for receiving the described distance of obstacle being sent by described walking stick portion and shaking according to this distance,
Wherein, described walking stick portion has:
At least one range cells, comprise respectively for surveying described barrier and send the detector of obstacle signal and be connected with described detector, for calculate the computer of described distance of obstacle between described walking stick portion and described barrier according to described obstacle signal;
Information storage generation unit, the information storage unit that comprises the warning message for storing default form, and is connected with described information storage unit, for generate the Information generation device of described audio alert information according to the warning message of the default form of described storage;
Walking stick side wireless communication unit, for sending described audio alert information and transmitting described distance of obstacle to described belt portion to described earphone portion; And
Walking stick side judges control unit, be connected respectively with described range cells, described information storage unit and described Information generation device, generate described audio alert information and control described walking stick side wireless communication unit and send described warning message and send described distance of obstacle to described belt portion to described earphone portion for control described Information generation device in the time that described distance of obstacle is less than the predetermined upper distance limit of walking stick side
Described earphone portion has:
Earpiece side wireless communication unit, for receiving the described audio alert information of being sent by described walking stick side wireless communication unit; And
Voice amplify output unit, are connected with described earpiece side wireless communication unit, for amplifying and exporting described audio alert information, play,
Described belt portion has:
Belt side wireless communication unit, for receiving the described distance of obstacle being sent by described walking stick side wireless communication unit;
Vibrations unit, for shaking; And
Belt side judges control unit, is connected with described vibrations unit with described belt side wireless communication unit, controls the vibrations of described vibrations unit when being less than the predetermined upper distance limit of belt side at described distance of obstacle.
2. blind guiding system according to claim 1, is characterized in that:
Wherein, described range cells quantity is one, is arranged in the opposing positive forward position of described walking stick portion and described user, for measuring the distance between described walking stick portion and the described barrier of positive front side.
3. blind guiding system according to claim 1, is characterized in that:
Wherein, described range cells quantity is three, be separately positioned on described walking stick portion and described user away from forward position, leftward position and right positions, for measuring respectively the distance between described walking stick portion and the described barrier of forward position, leftward position and right positions.
4. blind guiding system according to claim 1, is characterized in that:
Wherein, described walking stick portion, also has walking stick side scheduled unit, for the predetermined upper distance limit of described walking stick side is preset.
5. blind guiding system according to claim 1, is characterized in that:
Wherein, described belt portion, also has belt side scheduled unit, for the predetermined upper distance limit of described belt side is preset.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410143328.9A CN103892996A (en) | 2014-04-11 | 2014-04-11 | Guide system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410143328.9A CN103892996A (en) | 2014-04-11 | 2014-04-11 | Guide system |
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| CN103892996A true CN103892996A (en) | 2014-07-02 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015117423A1 (en) * | 2014-08-20 | 2015-08-13 | 中兴通讯股份有限公司 | Earphone with voice reminding function, and terminal |
| CN108089489A (en) * | 2017-11-16 | 2018-05-29 | 南京邮电大学 | A kind of Multifunctional blind person guiding equipment |
| CN108527379A (en) * | 2018-03-29 | 2018-09-14 | 上海理工大学 | A kind of station service for blind readers robot |
| CN108555922A (en) * | 2018-03-29 | 2018-09-21 | 上海理工大学 | A kind of airport service for blind readers robot |
| CN111568710A (en) * | 2020-04-03 | 2020-08-25 | 重庆师范大学 | Voice blind guiding equipment |
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| CN203436527U (en) * | 2013-08-22 | 2014-02-19 | 杭州市上城区青少年科技辅导员协会 | Seeing-eye hand crutch |
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| CN2906645Y (en) * | 2006-02-20 | 2007-05-30 | 聂元祥 | Distance detector for the blind |
| CN202330713U (en) * | 2011-08-11 | 2012-07-11 | 西北工业大学 | Guide collision avoidance device based on multiple ultrasonic sensors |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015117423A1 (en) * | 2014-08-20 | 2015-08-13 | 中兴通讯股份有限公司 | Earphone with voice reminding function, and terminal |
| CN108089489A (en) * | 2017-11-16 | 2018-05-29 | 南京邮电大学 | A kind of Multifunctional blind person guiding equipment |
| CN108527379A (en) * | 2018-03-29 | 2018-09-14 | 上海理工大学 | A kind of station service for blind readers robot |
| CN108555922A (en) * | 2018-03-29 | 2018-09-21 | 上海理工大学 | A kind of airport service for blind readers robot |
| CN111568710A (en) * | 2020-04-03 | 2020-08-25 | 重庆师范大学 | Voice blind guiding equipment |
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Application publication date: 20140702 |