CN201591719U - Intelligent blind aid system and intelligent blind aid cane - Google Patents

Intelligent blind aid system and intelligent blind aid cane Download PDF

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Publication number
CN201591719U
CN201591719U CN2010200411932U CN201020041193U CN201591719U CN 201591719 U CN201591719 U CN 201591719U CN 2010200411932 U CN2010200411932 U CN 2010200411932U CN 201020041193 U CN201020041193 U CN 201020041193U CN 201591719 U CN201591719 U CN 201591719U
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China
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ultrasonic
intelligent blind
distance measuring
measuring module
unit
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Expired - Fee Related
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CN2010200411932U
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Chinese (zh)
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任天平
刘一飞
李保强
顾建祥
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Zhengzhou University
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Zhengzhou University
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Abstract

The utility model provides an intelligent blind aid system and an intelligent blind aid cane. The intelligent blind aid system comprises a main controller, a wireless range acquisition unit, a control unit and a prompt unit, wherein the signal output of the wireless range acquisition unit is connected with the range acquisition signal input of the main controller, the signal output of the control unit is connected with the control signal input of the main controller, and the signal output of the main controller is connected with the signal input of the prompt unit. The utility model also provides an intelligent blind aid cane; a first ultrasonic range acquisition module is arranged at the middle of the cane; the ultrasonic transmitting head of the first ultrasonic range acquisition module faces to the front for detecting obstacles ahead; a second ultrasonic range acquisition module is arranged at the upper part of the cane; the ultrasonic transmitting head of the second ultrasonic range acquisition module faces upwards to the front for detecting obstacles in a front upper place; an infrared range acquisition module is arranged at the lower part of the cane at the vertical distance of 2-30 cm to the ground; and the infrared transmitting head faces to the front for detecting low obstacles on the ground.

Description

A kind of intelligent blind guiding system and a kind of intelligent blind-guiding walking stick
Technical field
This utility model relates to a kind of intelligent blind guiding system and a kind of intelligent blind-guiding walking stick.
Background technology
China is the maximum country of blind person in the world, and the blind person is as the disadvantaged group of society, needs society to give more love and helps.The trip of blind person's safety is the major issue that society is concerned about always, and in a modern city, blind guiding system is the important component part of a city security system.The simple walking stick of the present still main dependence of most of blind person's trips, the walking stick guide is simple, convenient, cost is low, but reliability is not high, ignores some barriers easily.How to make the blind person under the situation that need not special messenger's company, the walking of can more independently going out is the developing direction of following blind guiding system.
The utility model content
The purpose of this utility model provides a kind of intelligent blind guiding system and a kind of intelligent blind-guiding walking stick, the trip of aspect blind person's safety.
A kind of intelligent blind guiding system, wherein: comprise master controller, be used to measure barrier the wireless distance finding unit, control unit, Tip element, wherein, the unitary signal output part of wireless distance finding connects the distance measuring signal input of master controller, control the signal input part of controlling that unitary signal output part connects master controller, the signal output part of master controller connects the signal input part of Tip element.
Described intelligent blind guiding system, wherein: described intelligent blind guiding system also comprises electronic compass, the signal output part of electronic compass connects the azimuth information input of master controller.
Described intelligent blind guiding system, wherein: described wireless distance finding unit comprises the ultrasonic ranging unit.
Described intelligent blind guiding system, wherein: described wireless distance finding unit comprises first ultrasonic distance measuring module that is used to detect the dead ahead barrier, the ultrasonic emitting head of first ultrasonic distance measuring module is towards the place ahead, and the ultrasonic wave range that the ultrasonic emitting hair is penetrated is along in 30 degree, the following 30 degree scopes on its installation site horizontal plane.
Described intelligent blind guiding system, wherein: described wireless distance finding unit also comprises second ultrasonic distance measuring module that is used to detect front side aerial barrage thing, the ultrasonic emitting head of second ultrasonic distance measuring module is towards the front upper place, setting angle is and horizontal plane angle 30 degree that the ultrasonic wave range that the ultrasonic emitting hair is penetrated is along in the 60 degree scopes on its installation site horizontal plane.
Described intelligent blind guiding system, wherein: described wireless distance finding unit also comprises the infrared distance measurement unit, and the infrared distance measurement unit is installed in apart from ground vertical dimension 2~30 centimeters, and infrared emission head is towards the place ahead.
Described intelligent blind guiding system, wherein: described Tip element comprises voice alerting unit.
Described intelligent blind guiding system, wherein: described Tip element also comprises the vibrations Tip element.
A kind of intelligent blind-guiding walking stick, wherein: this intelligent blind-guiding walking stick is provided with intelligent blind guiding system, described intelligent blind guiding system comprises master controller, electronic compass, first ultrasonic distance measuring module, second ultrasonic distance measuring module, the infrared distance measurement module, control the unit, Tip element, wherein, electronic compass, first ultrasonic distance measuring module, second ultrasonic distance measuring module, the infrared distance measurement module, control the bearing signal input that unitary signal output part connects master controller respectively, the first ultrasonic ranging signal input part, the second ultrasonic ranging signal input part, the infrared distance measurement signal input part, control signal input part, the cue outfan of master controller connects the signal input part of Tip element; Controlling the unit is arranged at and is convenient to the position held on the walking stick; First ultrasonic distance measuring module is arranged on the walking stick, the ultrasonic emitting head of first ultrasonic distance measuring module is towards the place ahead, and the ultrasonic wave range that the ultrasonic emitting hair of first ultrasonic distance measuring module is penetrated is along in 30 degree, the following 30 degree scopes on its installation site horizontal plane; Second ultrasonic distance measuring module is arranged on the walking stick, the ultrasonic emitting head of second ultrasonic distance measuring module is towards the front upper place, setting angle is and horizontal plane angle 30 degree that the ultrasonic wave range that the ultrasonic emitting hair of second ultrasonic distance measuring module is penetrated is along in the 60 degree scopes on its installation site horizontal plane; The infrared distance measurement unit is arranged at the walking stick bottom far from ground vertical dimension 2~30 centimeters, and infrared emission head is towards the place ahead.
Described intelligent blind-guiding walking stick, wherein: the lower end of this intelligent blind-guiding walking stick kiss the earth is provided with travel wheel; The described unit of controlling is the button control panel; Described Tip element comprises voice alerting unit and vibrations Tip element.
This utility model adopts technique scheme will reach following technique effect:
Intelligent blind guiding system of the present utility model, whether have barrier, and remind the blind person by Tip element if measuring blind person's direct of travel by the wireless distance finding unit, thereby reach the purpose that helps the trip of blind person's safety; Electronic compass can help the blind person to determine present orientation; In addition, the first ultrasonic ranging unit, the second ultrasonic ranging unit detects dead ahead, front upper place respectively whether barrier is arranged in the air, and whether the infrared distance measurement unit is used to detect road surface, the place ahead short barrier, effectively assisting blind safety trip.This utility model also provides a kind of intelligent blind-guiding walking stick, by the first ultrasonic ranging unit, the second ultrasonic ranging unit detects dead ahead, front upper place respectively whether barrier is arranged in the air, whether the infrared distance measurement unit is used to detect road surface, the place ahead short barrier, electronic compass detects present orientation, reminds blind person's direct of travel the barrier of which type to be arranged and point out present orientation by Tip element again.As above as seen, intelligent blind guiding system of the present utility model and intelligent blind-guiding walking stick can help the blind person to go on a journey more safely.
Description of drawings
Fig. 1 is the structural principle block diagram of this utility model intelligent blind guiding system;
Fig. 2 is the circuit theory diagrams of ultrasonic transmit circuit in the first ultrasonic ranging unit of intelligent blind guiding system shown in Figure 1;
Fig. 3 is the circuit theory diagrams of ultrasound wave receiving circuit in the first ultrasonic ranging unit of intelligent blind guiding system shown in Figure 1;
Fig. 4 is the sketch map of this utility model intelligent blind-guiding walking stick.
The specific embodiment
A kind of intelligent blind guiding system, as shown in Figure 1, it comprises master controller, be used to detect first ultrasonic distance measuring module of dead ahead barrier, be used to detect front side aerial barrage thing second ultrasonic distance measuring module, be used to measure the short barrier in road surface infrared distance measurement unit, electronic compass, control unit, voice alerting unit, vibrations Tip element, wherein, the ultrasonic wave range that the ultrasonic emitting hair of first ultrasonic distance measuring module is penetrated is that finding range is in 5 meters of probe positions along in 30 degree, the following 30 degree scopes on its installation site horizontal plane; The ultrasonic emitting head of second ultrasonic distance measuring module is towards the front upper place, setting angle is and horizontal plane angle 30 degree, the ultrasonic wave range that the ultrasonic emitting hair of second ultrasonic distance measuring module is penetrated is that finding range is in 5 meters of probe positions along in the 60 degree scopes on its installation site horizontal plane; Described infrared distance measurement unit is used to be installed in apart from ground vertical dimension 2~30 centimeters, and infrared emission head is in 1.5 meters of probe positions towards the place ahead finding range; Electronic compass, first ultrasonic distance measuring module, second ultrasonic distance measuring module, infrared distance measurement module, control bearing signal input, the first ultrasonic ranging signal input part, the second ultrasonic ranging signal input part, infrared distance measurement signal input part that unitary signal output part connects master controller respectively, control signal input part, the voice suggestion signal output part of master controller, vibrations cue outfan connect the signal input part of voice alerting unit, vibrations Tip element respectively.
In the present embodiment, master controller adopts Chip Microcomputer A tmega64.
Fig. 2 is the circuit theory diagrams of ultrasonic transmit circuit in the first ultrasonic ranging unit of intelligent blind guiding system shown in Figure 1, ultrasonic transmit circuit comprises first, second liang of input nand gate U1, U2, supersonic generator LST, two inputs of the first NAND gate U1 connect the PB5 foot of master controller (Atmega64) simultaneously, the outfan of the first NAND gate U1 is connected in the first input end of supersonic generator LST, the outfan of the first NAND gate U1 also connects two inputs of the second NAND gate U2 simultaneously, the outfan of the second NAND gate U2 connects second input of supersonic generator LST, first of supersonic generator LST, second input is respectively by divider resistance R1, R2 connection+5V dc source.The oscillator signal of the PB5 foot of master controller (Atmega64) output 40KHz drives supersonic generator LST through the processing of two NAND gate U1, U2 and sends ultrasound wave.
Fig. 3 is the circuit theory diagrams of ultrasound wave receiving circuit in the first ultrasonic ranging unit of intelligent blind guiding system shown in Figure 1, the chip U3 (adopting CX20106A) that it comprises ultrasonic receiver LSR and adopts the infrared ray detection to receive, ultrasonic receiver LSR outfan connects signal input part 1 foot of chip U3, and the signal output part of chip U3 is used to connect the first ultrasonic ranging signal input part of master controller.After ultrasonic receiver LSR receives ultrasound wave, send into chip U3 and carry out the detection processing, chip U3 will handle the first ultrasonic ranging signal input part that the signal of exporting is sent into master controller more afterwards, be come this signal is carried out subsequent treatment by master controller.
The unitary ultrasonic transmit circuit of second ultrasonic ranging, ultrasound wave receiving circuit also can adopt Fig. 2, circuit shown in Figure 3.
Can adopt the infrared sensor (as GP2Y0A02YK) that has infrared ray and transmit and receive function in the infrared distance measurement module.
This utility model also provides a kind of intelligent blind-guiding walking stick, and as shown in Figure 4, the lower end of this walking stick kiss the earth is provided with travel wheel 7, and when using walking stick, it is lighter than holding away with hands to shove along with travel wheel 7; This intelligent blind-guiding walking stick comprises intelligent blind guiding system, described intelligent blind guiding system comprises master controller, electronic compass, first ultrasonic distance measuring module 5, second ultrasonic distance measuring module 6, infrared distance measurement module 4, control the unit, voice alerting unit, the vibrations Tip element, wherein, the position that walking stick 1 top is used to hold is provided with control chamber 2, master controller, electronic compass, voice alerting unit, the vibrations Tip element is arranged in the control chamber 2, first ultrasonic distance measuring module 5, second ultrasonic distance measuring module 6 is arranged at the front portion of control chamber 2, control the unit and comprise keypad 3, keypad 3 is arranged at the position of the handled easily on the control chamber 2; The ultrasonic emitting head of first ultrasonic distance measuring module 5 is towards the place ahead, the ultrasonic wave range that the ultrasonic emitting hair of first ultrasonic distance measuring module 5 is penetrated is preferably along in 30 degree, the following 30 degree scopes on its installation site horizontal plane, finding range is in 5 meters of probe positions, and whether be used to detect the place ahead of advancing has barrier; The ultrasonic emitting head of second ultrasonic distance measuring module 6 is towards the front upper place, setting angle is and horizontal plane angle 30 degree, the ultrasonic wave range that the ultrasonic emitting hair of second ultrasonic distance measuring module 6 is penetrated is preferably along in the 60 degree scopes on its installation site horizontal plane, finding range is in 5 meters of probe positions, and whether the front upper place that is used to detect direct of travel has barrier in the air; Infrared distance measurement unit 4 is preferably and is arranged at walking stick 1 bottom far from ground vertical dimension 2~30 centimeters, and infrared emission head is towards the place ahead, and finding range is in 1.5 meters of probe positions, and whether the road surface that is used to detect direct of travel has short barrier.Electronic compass, first ultrasonic distance measuring module 5, second ultrasonic distance measuring module 6, infrared distance measurement module 4, control bearing signal input, the first ultrasonic ranging signal input part, the second ultrasonic ranging signal input part, infrared distance measurement signal input part that unitary signal output part connects master controller respectively, control signal input part, the cue outfan of master controller connects the signal input part of Tip element.
Keypad 3 is provided with on ﹠ off switch, orientation prompting key; In the present embodiment, after pressing on ﹠ off switch, when running into barrier in advancing, differentiate first ultrasonic distance measuring module 5 by master controller, second ultrasonic distance measuring module 6, the signal that infrared distance measurement module 4 sends, by voice alerting unit prompting " how many distances of dead ahead have barrier ", " how many distances of the place ahead have aerial barrier " voice messagings such as " how far distance have barrier in the underfooting ", and by the vibration information of vibrations Tip element by different frequency of vibration, remind and use the blind person of walking stick to note it being dead ahead, whether front upper place or road surface have barrier, and the distance of expressing obstacle distance according to the frequency of vibrations.When need determining the orientation, press orientation prompting key, control the unit this push button signalling is sent to master controller, after master controller receives this signal, after reading the azimuth information on the electronic compass and handling, export voice cue module to.

Claims (10)

1. intelligent blind guiding system, it is characterized in that: comprise master controller, be used to measure barrier the wireless distance finding unit, control unit, Tip element, wherein, the unitary signal output part of wireless distance finding connects the distance measuring signal input of master controller, control the signal input part of controlling that unitary signal output part connects master controller, the signal output part of master controller connects the signal input part of Tip element.
2. intelligent blind guiding system as claimed in claim 1 is characterized in that: described intelligent blind guiding system also comprises electronic compass, and the signal output part of electronic compass connects the azimuth information input of master controller.
3. intelligent blind guiding system as claimed in claim 1 or 2 is characterized in that: described wireless distance finding unit comprises the ultrasonic ranging unit.
4. intelligent blind guiding system as claimed in claim 3, it is characterized in that: described wireless distance finding unit comprises first ultrasonic distance measuring module that is used to detect the dead ahead barrier, the ultrasonic emitting head of first ultrasonic distance measuring module is towards the place ahead, and the ultrasonic wave range that the ultrasonic emitting hair is penetrated is along in 30 degree, the following 30 degree scopes on its installation site horizontal plane.
5. intelligent blind guiding system as claimed in claim 4, it is characterized in that: described wireless distance finding unit also comprises second ultrasonic distance measuring module that is used to detect front side aerial barrage thing, the ultrasonic emitting head of second ultrasonic distance measuring module is towards the front upper place, setting angle is and horizontal plane angle 30 degree that the ultrasonic wave range that the ultrasonic emitting hair is penetrated is along in the 60 degree scopes on its installation site horizontal plane.
6. intelligent blind guiding system as claimed in claim 1 or 2 is characterized in that: described wireless distance finding unit also comprises the infrared distance measurement unit, and the infrared distance measurement unit is installed in apart from ground vertical dimension 2~30 centimeters, and infrared emission head is towards the place ahead.
7. intelligent blind guiding system as claimed in claim 1 or 2 is characterized in that: described Tip element comprises voice alerting unit.
8. intelligent blind guiding system as claimed in claim 7 is characterized in that: described Tip element also comprises the vibrations Tip element.
9. intelligent blind-guiding walking stick, it is characterized in that: this intelligent blind-guiding walking stick is provided with intelligent blind guiding system, described intelligent blind guiding system comprises master controller, electronic compass, first ultrasonic distance measuring module, second ultrasonic distance measuring module, the infrared distance measurement module, control the unit, Tip element, wherein, electronic compass, first ultrasonic distance measuring module, second ultrasonic distance measuring module, the infrared distance measurement module, control the bearing signal input that unitary signal output part connects master controller respectively, the first ultrasonic ranging signal input part, the second ultrasonic ranging signal input part, the infrared distance measurement signal input part, control signal input part, the cue outfan of master controller connects the signal input part of Tip element; Controlling the unit is arranged at and is convenient to the position held on the walking stick; First ultrasonic distance measuring module is arranged on the walking stick, the ultrasonic emitting head of first ultrasonic distance measuring module is towards the place ahead, and the ultrasonic wave range that the ultrasonic emitting hair of first ultrasonic distance measuring module is penetrated is along in 30 degree, the following 30 degree scopes on its installation site horizontal plane; Second ultrasonic distance measuring module is arranged on the walking stick, the ultrasonic emitting head of second ultrasonic distance measuring module is towards the front upper place, setting angle is and horizontal plane angle 30 degree that the ultrasonic wave range that the ultrasonic emitting hair of second ultrasonic distance measuring module is penetrated is along in the 60 degree scopes on its installation site horizontal plane; The infrared distance measurement unit is arranged at the walking stick bottom far from ground vertical dimension 2~30 centimeters, and infrared emission head is towards the place ahead.
10. intelligent blind-guiding walking stick as claimed in claim 9 is characterized in that: the lower end of this intelligent blind-guiding walking stick kiss the earth is provided with travel wheel; The described unit of controlling is the button control panel; Described Tip element comprises voice alerting unit and vibrations Tip element.
CN2010200411932U 2010-01-14 2010-01-14 Intelligent blind aid system and intelligent blind aid cane Expired - Fee Related CN201591719U (en)

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Application Number Priority Date Filing Date Title
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Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102133143A (en) * 2011-03-22 2011-07-27 深圳典邦科技有限公司 Gesture sensing device and gesture sensing gloves
CN102805449A (en) * 2011-06-03 2012-12-05 江苏新天工广告有限公司 Shoes with voice prompting device for the blind
CN103120614A (en) * 2013-02-04 2013-05-29 长兴技师学院 Walking stick for the blind
CN103393526A (en) * 2013-07-29 2013-11-20 南京信息工程大学 Guide stick for guiding blind person to avoid obstacles and obstacle avoiding method for guide stick
CN103519975A (en) * 2012-12-27 2014-01-22 中国人民解放军第二军医大学 Ultrasonic seeing-eye glove
CN104546390A (en) * 2015-01-26 2015-04-29 上海交通大学 Blind road and obstacle identification system and method
CN105943325A (en) * 2016-06-07 2016-09-21 北京邮电大学 Blind guiding equipment
CN106420284A (en) * 2016-09-19 2017-02-22 成都测迪森生物科技有限公司 Wearable blind guiding device
CN107436150A (en) * 2016-05-28 2017-12-05 深圳富泰宏精密工业有限公司 Safety reminding device, method and the guide with safety reminding device are held
CN107576965A (en) * 2017-08-25 2018-01-12 北京百度网讯科技有限公司 Obstacle detection method and device
CN108030646A (en) * 2017-12-08 2018-05-15 上海电机学院 A kind of intelligent blind-guiding distance prompt device
CN108078746A (en) * 2017-12-29 2018-05-29 上海电力学院 A kind of intelligent blind-guiding crutch
CN109211282A (en) * 2017-06-29 2019-01-15 沈阳新松机器人自动化股份有限公司 It is a kind of to detect the method for holding handlebar and corresponding walking assistance
CN109431759A (en) * 2018-10-12 2019-03-08 安徽信息工程学院 A kind of blind guiding stick
CN110833481A (en) * 2018-08-17 2020-02-25 上海炳旭工业产品设计有限公司 Intelligent vision-impaired vision rehabilitation instrument and application thereof

Cited By (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2012126351A1 (en) * 2011-03-22 2012-09-27 深圳典邦科技有限公司 Hand sensing device and hand sensing glove
CN102133143B (en) * 2011-03-22 2013-02-27 深圳典邦科技有限公司 Gesture sensing device and gesture sensing gloves
CN102133143A (en) * 2011-03-22 2011-07-27 深圳典邦科技有限公司 Gesture sensing device and gesture sensing gloves
CN102805449A (en) * 2011-06-03 2012-12-05 江苏新天工广告有限公司 Shoes with voice prompting device for the blind
CN103519975A (en) * 2012-12-27 2014-01-22 中国人民解放军第二军医大学 Ultrasonic seeing-eye glove
CN103519975B (en) * 2012-12-27 2016-03-02 中国人民解放军第二军医大学 Ultrasonic blind-guiding glove
CN103120614A (en) * 2013-02-04 2013-05-29 长兴技师学院 Walking stick for the blind
CN103393526A (en) * 2013-07-29 2013-11-20 南京信息工程大学 Guide stick for guiding blind person to avoid obstacles and obstacle avoiding method for guide stick
CN104546390A (en) * 2015-01-26 2015-04-29 上海交通大学 Blind road and obstacle identification system and method
CN107436150A (en) * 2016-05-28 2017-12-05 深圳富泰宏精密工业有限公司 Safety reminding device, method and the guide with safety reminding device are held
CN105943325A (en) * 2016-06-07 2016-09-21 北京邮电大学 Blind guiding equipment
CN106420284A (en) * 2016-09-19 2017-02-22 成都测迪森生物科技有限公司 Wearable blind guiding device
CN109211282A (en) * 2017-06-29 2019-01-15 沈阳新松机器人自动化股份有限公司 It is a kind of to detect the method for holding handlebar and corresponding walking assistance
CN109211282B (en) * 2017-06-29 2020-11-03 沈阳新松机器人自动化股份有限公司 Method for detecting handle holding of bicycle and corresponding walking auxiliary equipment
CN107576965A (en) * 2017-08-25 2018-01-12 北京百度网讯科技有限公司 Obstacle detection method and device
CN108030646A (en) * 2017-12-08 2018-05-15 上海电机学院 A kind of intelligent blind-guiding distance prompt device
CN108078746A (en) * 2017-12-29 2018-05-29 上海电力学院 A kind of intelligent blind-guiding crutch
CN110833481A (en) * 2018-08-17 2020-02-25 上海炳旭工业产品设计有限公司 Intelligent vision-impaired vision rehabilitation instrument and application thereof
CN109431759A (en) * 2018-10-12 2019-03-08 安徽信息工程学院 A kind of blind guiding stick

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