CN201535676U - Vision impairment navigator - Google Patents
Vision impairment navigator Download PDFInfo
- Publication number
- CN201535676U CN201535676U CN2009201887553U CN200920188755U CN201535676U CN 201535676 U CN201535676 U CN 201535676U CN 2009201887553 U CN2009201887553 U CN 2009201887553U CN 200920188755 U CN200920188755 U CN 200920188755U CN 201535676 U CN201535676 U CN 201535676U
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Abstract
A vision impairment navigator comprises a sensor and related circuits. The utility model adopts an ultrasonic wave sensor and an infrared sensor to form a bimodule navigating system, and a hardware includes the ultrasonic wave sensor arranged in a shoe of a vision-impairment person and a mainframe circuit hung on the waist of the vision-impairment person; the related circuits used for signal processing and an ARM embedded system used for signal analysis are arranged in the mainframe; and the related circuits used for signal processing include a serial port UART circuit, a USB interface circuit, an ultrasonic wave circuit, a voice alarm circuit, an indicating lamp circuit, a motor vibrating circuit, a GPS module circuit, and a power supply output circuit, and the ARM embedded system CPU adopts an ARM 2410 chip. The utility model can be used for the omnibearing navigation for the vision-impairment person.
Description
Technical field
The utility model relates to that the person that looks the barrier uses looks the barrier navigating instrument, belongs to electronic information technical field.
Background technology
In order to solve the person's that looks the barrier safe walking problem, people have designed multiple blind-guide device, or are called the accessory of advancing.Blind-guide device can be divided into following 4 classes haply at present:
1) common guide crutch is the simple blind-guide device of tradition, knocks on the ground with it, and the person finds 0.5 meter with interior barrier can to help to look the barrier.Its major defect is barrier and the aerial outstanding barrier that can not find more a little further.For example, hang or outstanding object in the position that is equivalent to head, chest.In addition, the person can also utilize seeing-eye dog to lead the way to look the barrier, but difficult training and cost are higher.
2) the early stage blind-guide device of electron device accessory is to design some the compact electronic device of sensor is housed mostly, and give the person that looks the barrier with the detecting readout of sensor with person's acceptable form of looking the barrier, allow the person that looks the barrier in environment, have relatively safety and ability to act fast, dodge barrier and do not consider comprehensive navigation but only pay attention to locality.As the navigation rod advantage with loudspeaker is can send light evening, reminds passerby and driver, and shortcoming is perishable, too responsive; Find out looking the barrier person's glasses advantage being that volume is less of the place ahead barrier, shortcoming is that measurement range is little.
3) the mobile phone speech guide this be a kind of newer guide mode, but mainly be to be used for informing of orientation, city.When the person that looks the barrier is lost, send help information by the guide key that is set in advance on the mobile phone to service provider, service provider receives after the information will the person sends voice messaging to looking the barrier by GPRS, can learn current location after listening to.This mode requires mobile phone to support the WAP function of surfing the Net, the real-time guide in being not easy to advance, and also expense is higher relatively.
4) existing navigating instrument or navigation dog are mainly used in the vapour industry of rubbing, and are to combine with GIS with GPS the bus location lang sound of going forward side by side is navigated, but can not differentiate barrier (especially roadbed).
From on can to analyze existing some function of blind-guide device too single, can not satisfy actual needs; Some shows heavy slightly, is not suitable for daily carrying; Also some then costs an arm and a leg, and use cost is higher, can not popularize in the relatively low person that looks the barrier of economic capability and use.So according to the person's that looks the barrier personal requirement and economic conditions, the new mode of utilization modern science and technology is designed practical feasible again blind-guide device, will win the bumper harvests of social benefit and economic benefit.
Summary of the invention
The purpose of this utility model is, remedies the deficiency that existing blind-guide device exists, and designs a kind of light, low-cost, omnibearing blind-guide device, the barrier of can locality dodging, the novel person's guider of looking the barrier that the while is considered comprehensive navigation again.How the utility model can not only not take action when the person that looks barrier indication has obstacle, can also point out barrier and its particular location, by a synthetic sound information is passed to the band person that looks the barrier then, by the in-plant barrier of echolocation, the person reports to the police to looking the barrier to send vibration signal or voice signal then.The GPS global positioning system apparatus also is housed, can tells and look the barrier person is in where reach direct of travel at present.
The utility model is achieved through the following technical solutions:
Not only to be implemented in horizontal direction scanning because the utility model is looked the barrier navigating instrument, also consider between waist, to place probe simultaneously and carry out the scanning of 3 dimension spaces, be convenient to draw out the space road conditions in the place ahead, can differentiate the depression in the land surface defective and judge.Overcome the deficiency of single-sensor detection system, the distance accuracy of system and orientation accuracy are significantly improved.
Ground proximity utilizes the ultrasonic horizontal scanning barrier that carries out on working direction, the person effectively evades barrier when walking to assist the looking barrier.
The utility model adopts ultrasonic sensor and infrared ray sensor bimodulus navigational system, described navigating instrument is made up of ultrasonic sensor, main frame, ultrasonic sensor and peripheral circuit are arranged in the person's footwear of looking the barrier, and the capsule that host circuit is installed is hung on looks the barrier between person's waist.
The utility model comprises two parts, the one, and the ultrasonic sensor and the peripheral circuit that are used to find barrier of device in the footwear; The one, be hung on the capsule between waist, be referred to as main frame, be useful on the interlock circuit and the ARM embedded system that is used for signal analysis of signal Processing in the main frame capsule.Host circuit is by reception and analyze the ultrasonic echo signal, and there is the not barrier of projection on the road surface of effectively detecting in the certain distance of the place ahead, and the person reports to the police to looking the barrier by speech form when having detected barrier.
The interlock circuit that is used for signal Processing comprises: serial port UART circuit; Usb circuit; Ultrasonic circuit (emission driving circuit and reception amplifying circuit); Voice alarm circuit; Indicator light circuit (photosensitive control and warning circuit); Motor oscillating circuit (vibration alarming circuit); The GPS modular circuit; Compositions such as power output circuit; Accompanying drawing 1 is looked the structured flowchart of barrier navigating instrument for the utility model.
The ARM embedded system that is used for signal analysis is the core of total system, and the control to total system is realized in this core, and CPU adopts the ARM2410 chip.
Serial port UART and USB interface realize respectively and the communicating by letter and the upgrading of system software of host computer.Serial port UART is mainly realized by max 3227; USB interface is connected with the ARM master control with USB function.
Ultrasonic unit is realized hyperacoustic transmitting and receiving by ultrasonic sensor.In order to guarantee not to be subjected to extraneous wave interference, the ultrasonic emitting receiving trap adopts T630, the ultrasonic transmission wave signal of T631 password.
Voice suggestion adopts speech chip UDA1341TS to realize pointing out the position and the obstacle prompting at place.
The motor oscillating device vibrates by the driving circuit drive motor realizes the prompting warning, and the vibration alarming module drives one by diode 8050 and has eccentric micromachine realization.The switch of the level control motor by control diode base stage, the level of input different frequency can reach different vibrating effects.；
The GPS positioning system is accurately located the present position, and this part adopts the GPS module, the GPS module is integrated GPS positioning chip, the location in master control and GPS module interface realization geographic position.
Power output circuit provides electricity needs for the whole barrier navigating instrument system of looking, and guarantees system's operate as normal, and power supply provides two groups of voltages, and 3.3V and 5V adopt LM117 to realize precise voltage output.
The utility model beneficial effect compared with the prior art is, the utility model adopts ultrasonic sensor and infrared ray sensor bimodulus navigational system, overcome the deficiency of single-sensor detection system, the distance accuracy of system and orientation accuracy are significantly improved.The utility model not only can carry out horizontal scanning, also considers to place probe and carry out the scanning of 3 dimension spaces between waist, is convenient to draw out the space road conditions in the place ahead, can differentiate the depression in the land surface defective and judge, has realized comprehensive navigation.Because the utility model is equipped with the GPS global positioning system apparatus, can not only when having obstacle, the person that looks barrier indication how not take action, barrier and its particular location in the time of can also pointing out barrier, by the in-plant barrier of echolocation, tell and look the barrier person is in where reach direct of travel at present, by a synthetic sound information is passed to the band person that looks the barrier then, by vibration signal or voice signal to the person's warning of looking the barrier.
The comprehensive navigation of person that the utility model can be used for looking the barrier.
Description of drawings
Accompanying drawing 1 is looked the system architecture diagram of barrier navigating instrument for the utility model
Accompanying drawing 2 is a serial port UART circuit
Accompanying drawing 3 is the UBS interface circuit
Accompanying drawing 4 is a ultrasonic circuit
Accompanying drawing 5 is a voice alarm circuit
Accompanying drawing 6 is an indicator light circuit
Accompanying drawing 7 is the motor oscillating circuit
Accompanying drawing 8 is the GPS modular circuit
Accompanying drawing 9 is a power output circuit
Embodiment
The utility model embodiment looks the barrier navigating instrument and is made up of ultrasonic sensor, interlock circuit and main frame.
Host A RM embedded system CPU adopts the ARM2410 chip;
The interlock circuit that is used for signal Processing comprises serial port UART circuit, usb circuit, ultrasonic circuit, voice alarm circuit, indicator light circuit, motor oscillating circuit, GPS modular circuit, power output circuit.
Serial port UART is realized by the max3227 chip; USB interface is connected with the ARM master control with USB function.
The ultrasonic circuit sending and receiving apparatus adopts T630, the ultrasonic transmission wave signal of T631 password.
Voice suggestion adopts speech chip UDA1341TS to realize pointing out the position and the obstacle prompting at place.
The vibration alarming module that vibrating device adopts drives one by diode 8050 and has eccentric micromachine realization.The switch of the level control motor by control diode base stage, the level of input different frequency can reach different vibrating effects.
GPS positioning system using GPS module, the GPS module is integrated GPS positioning chip, master control and GPS module interface are realized the location in geographic position.
Power output circuit provides two groups of voltages for the whole barrier navigating instrument system of looking, and 3.3V and 5V adopt LM117 to realize precise voltage output.
The utility model embodiment can realize following index: when having barrier in dead ahead, the front upper place 2m, carry out voice prompt alarm; When front lower place distance during greater than 1.5m (during range finding, utilizing gravity to remain the range finding angle is 60 °), think that this is underground for empty, carry out audio alert; When there is object in the dead ahead during near the user, to carry out voice, light, vibration alarming greater than the speed of 2m/s.
Claims (4)
1. look the barrier navigating instrument for one kind, it is characterized in that, described navigating instrument is made up of ultrasonic sensor, main frame, and ultrasonic sensor and peripheral circuit are arranged in the person's footwear of looking the barrier, and the capsule that host circuit is installed is hung on looks the barrier between person's waist.
2. the barrier navigating instrument of looking according to claim 1 is characterized in that, is useful on the interlock circuit and the ARM embedded system that is used for signal analysis of signal Processing in the described main frame capsule.
3. the barrier navigating instrument of looking according to claim 2, it is characterized in that the described interlock circuit that is used for signal Processing comprises serial port UART circuit, usb circuit, ultrasonic circuit, voice alarm circuit, indicator light circuit, motor oscillating circuit, GPS modular circuit, power output circuit.
4. the barrier navigating instrument of looking according to claim 2 is characterized in that, the described ARM embedded system CPU that is used for signal analysis adopts the ARM2410 chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201887553U CN201535676U (en) | 2009-08-26 | 2009-08-26 | Vision impairment navigator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201887553U CN201535676U (en) | 2009-08-26 | 2009-08-26 | Vision impairment navigator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201535676U true CN201535676U (en) | 2010-07-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201887553U Expired - Fee Related CN201535676U (en) | 2009-08-26 | 2009-08-26 | Vision impairment navigator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201535676U (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103169599A (en) * | 2013-04-08 | 2013-06-26 | 无锡市崇安区科技创业服务中心 | Shoe used for blind people based on sensors |
| CN103750985A (en) * | 2014-01-24 | 2014-04-30 | 成都万先自动化科技有限责任公司 | Blind-guide shoe |
| WO2015135142A1 (en) * | 2014-03-11 | 2015-09-17 | 深圳市无碍互动科技开发有限公司 | Intelligent music vibrator system |
| WO2015135143A1 (en) * | 2014-03-11 | 2015-09-17 | 深圳市无碍互动科技开发有限公司 | Intelligent voice vibrator system |
| CN104940005A (en) * | 2015-05-25 | 2015-09-30 | 中山大学 | Indoor intelligent navigation crutch |
| CN105078719A (en) * | 2015-07-22 | 2015-11-25 | 河海大学 | Navigation equipment improved based on reversing radar for blind person |
| CN105825626A (en) * | 2016-05-18 | 2016-08-03 | 青岛大学 | Obstacle-encountering infrared alarm intelligent shoes |
| CN105831866A (en) * | 2016-05-18 | 2016-08-10 | 青岛大学 | Combined obstacle alarming smart shoes |
| CN106726380A (en) * | 2017-01-05 | 2017-05-31 | 东北大学秦皇岛分校 | Electronics blind waveguided shoe |
| CN108158792A (en) * | 2017-12-29 | 2018-06-15 | 泉州市雍和智能科技有限公司 | A kind of intelligent blind-guiding clothing and control method |
| CN108186299A (en) * | 2018-02-05 | 2018-06-22 | 东北大学 | A kind of blind person's reminding waistband and its control method |
-
2009
- 2009-08-26 CN CN2009201887553U patent/CN201535676U/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103169599A (en) * | 2013-04-08 | 2013-06-26 | 无锡市崇安区科技创业服务中心 | Shoe used for blind people based on sensors |
| CN103750985A (en) * | 2014-01-24 | 2014-04-30 | 成都万先自动化科技有限责任公司 | Blind-guide shoe |
| WO2015135142A1 (en) * | 2014-03-11 | 2015-09-17 | 深圳市无碍互动科技开发有限公司 | Intelligent music vibrator system |
| WO2015135143A1 (en) * | 2014-03-11 | 2015-09-17 | 深圳市无碍互动科技开发有限公司 | Intelligent voice vibrator system |
| CN104940005A (en) * | 2015-05-25 | 2015-09-30 | 中山大学 | Indoor intelligent navigation crutch |
| CN105078719A (en) * | 2015-07-22 | 2015-11-25 | 河海大学 | Navigation equipment improved based on reversing radar for blind person |
| CN105825626A (en) * | 2016-05-18 | 2016-08-03 | 青岛大学 | Obstacle-encountering infrared alarm intelligent shoes |
| CN105831866A (en) * | 2016-05-18 | 2016-08-10 | 青岛大学 | Combined obstacle alarming smart shoes |
| CN106726380A (en) * | 2017-01-05 | 2017-05-31 | 东北大学秦皇岛分校 | Electronics blind waveguided shoe |
| CN108158792A (en) * | 2017-12-29 | 2018-06-15 | 泉州市雍和智能科技有限公司 | A kind of intelligent blind-guiding clothing and control method |
| CN108186299A (en) * | 2018-02-05 | 2018-06-22 | 东北大学 | A kind of blind person's reminding waistband and its control method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100728 Termination date: 20110826 |