CN202355554U - Intelligent blind-guiding rescue system - Google Patents

Intelligent blind-guiding rescue system Download PDF

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Publication number
CN202355554U
CN202355554U CN201120406689XU CN201120406689U CN202355554U CN 202355554 U CN202355554 U CN 202355554U CN 201120406689X U CN201120406689X U CN 201120406689XU CN 201120406689 U CN201120406689 U CN 201120406689U CN 202355554 U CN202355554 U CN 202355554U
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China
Prior art keywords
blind
guiding
module
guiding stick
stick
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Expired - Fee Related
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CN201120406689XU
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Chinese (zh)
Inventor
樊健宇
崔勇
张泽洋
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Beihang University
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Beihang University
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Abstract

The utility model discloses an intelligent blind-guiding rescue system. The system consists of three parts, i.e. a blind-guiding garment, a blind-guiding stick and an upper computer, wherein the blind-guiding garment and the blind-guiding stick realize obstacle avoiding functions together; the blind-guiding stick mainly detects the front lower place; the blind-guiding garment detects the front, back, left and right places and the front upper place; the blind-guiding stick also has the functions of sending position information and user's conditions; and a plurality of buttons corresponding to condition information of tumbling, getting lost, attack of illness and the like are arranged on the blind-guiding stick. The blind-guiding garment is worn on a human body, the blind-guiding stick is held in a hand, and the blind-guiding garment and the blind-guiding stick are not connected. In an emergency, a user presses different buttons on the blind-guiding stick, and the upper computer receives the positioning information and the condition information sent by the blind-guiding stick, and informs aiding personnel, family members and the nearest hospital to rescue. The intelligent blind-guiding rescue system is novel in structure, complete in function, and convenient to use, and can better provide intelligent services to old people, the disabled people and people with visual disturbance.

Description

A kind of intelligent blind-guiding salvage system
(1) technical field:
This utility model relates to a kind of intelligent blind-guiding salvage system, and it can have the visual disorder crowd that the intelligence service is provided for vast, belongs to the Electronics and Information Engineering technical field.
(2) background technology:
Current guide instrument has multiple, but function singleness, such as infrared guide, ultrasonic blind guide or the like are arranged, but all only limit to guide, not having functions such as relief, location, this has caused inconvenience and unsafe factor to the blind person to a certain extent.What infrared or ultrasonic blind guide appearance used is small-sized infrared sensor, and its maximum shortcoming is its detection hypotelorism, and product all has only vibrating motor or the two promptings of voice a kind of promptings wherein, and functional defect is used inconvenience.
(3) summary of the invention:
1, purpose: the purpose of this utility model provides an intelligent blind-guiding salvage system, and it has overcome the deficiency of prior art, can better and have the visual disorder crowd that the intelligence service is provided for elderly and the disabled community.
2, technical scheme:
A kind of intelligent blind-guiding salvage system of this utility model; It is made up of guide clothing, blind-guiding stick, host computer three parts; Relation between it is that guide clothing and blind-guiding stick are realized barrier avoiding function jointly, and blind-guiding stick is mainly surveyed the front lower place, and the guide clothing is surveyed all around and the front upper place; The blind-guiding stick function of sending positional information and user situation in addition simultaneously has a plurality of button correspondences situation information such as fall down, get lost, have an attack of one's old illness on the blind-guiding stick.On one's body the guide clothing was through, in blind-guiding stick was hand held, both did not connect.When a situation arises, the user pressed buttons different on the blind-guiding stick, and host computer receives locating information and the situation information that blind-guiding stick sends, and informs salvor, household and nearest hospital, succours.
Said guide clothing is made up of clothing body and the control circuit put within it, and this clothing body is the vest shape upper garment of making according to human body, is to adopt 100% knitting low stretch yarn lining to make, and is convenient to washing, firm and durable; The promptly high bright reflective PVC lattice band of reflective tape on it adopts high bright reflective chemical fabric to make, and the color of clothing body adopts the caution color, to reach the purpose of caution passerby and vehicle.This control circuit is by importation (infrared sensor; Sonac), regulating circuit, digital signal processing circuit and output circuit are formed; Relation between it is: when the importation is infrared and near sonac when barrier being arranged detecting; Can export digital signal, digital signal is handled through digital signal processing circuit, and signal passes over control output circuit break-make.
This importation is infrared sensor and sonac, and wherein infrared sensor is four, lays respectively at all around, and one of sonac is positioned at the place ahead.Infrared sensor uses rich light 50-NK.Concrete parameter is: electrical characteristic: U:5VDC, and I:100mA, overall dimensions: long: 30MM, wide: 20MM is thick: 13MM; Wire length: 45CM.In normal operation, run into barrier infrared sensor outfan output low level, export the high level of 5V at ordinary times.Power is approximately 0.5W during use.The general power of four infrared sensors is: the model of P=4 * 0.5W=2W sonac is: TCT40-16T3
This regulating circuit is made up of a LM317 chip, four fixed value resistances and two customization electric capacity, is interconnected with one another.The LM317 chip form is square, and resistance is common fixed carbon resister, and profile is cylindrical, and electric capacity is ceramic disc capacitor, and profile is the disk shape; Utilize the DC voltage transformation function of LM317, use the resistance built-up circuit 6V voltage that is directly sent by battery to be converted into of the work of the running voltage of 1.5V with driving vibrating motor and buzzer.Because Vout=1.25V (1+R2/R1)=1.5V in actual use, gets R1=1200 Ω, R3=1000 Ω, R2=500 Ω, 0.5W R4=500 Ω 0.5W, C1=1 μ f, C2=1 μ f.
This digital signal processing circuit is made up of with reverse chip 74LS14 optocoupler, and the relation between it is that reverse chip 74LS14 directly is connected with optocoupler; Because infrared sensor actual signal that sends out when running into barrier is a low level, so in circuit, use chip 74LS14 that the level signal of sending from infrared sensor is carried out oppositely.What the 74LS14 chip used is the running voltage of 5V, so directly used the power supply of 6V that it is supplied power, also can make the chip operate as normal.After handling through 74LS14, sending is digital signal level; Power less (being approximately 2mW); The actual use power of optocoupler also very little (<2mW), carry out work so in use can directly connect the 74LS14 chip, therefore adopt optocoupler directly to be connected and carry out work with reverse chip 74LS14.This optocoupler is that model is the optocoupler 817 of hundred million light; The outfan of infrared sensor is received No. 1 pin of 74LS14 chip, drawn by No. 2 pins, carry out oppositely, and will be received on the optocoupler by the signal that the 74LS14 chip is drawn, optical coupled switch other end ground connection becomes control end.
This output circuit is made up of ultrasonic sensor, vibrating motor, buzzer and audion 2N1711; Annexation between it is that vibrating motor links to each other with two output pins of optocoupler; Buzzer is connected with audion, and audion is connected with ultrasonic sensor: ultrasonic sensor links to each other with the 12v power supply; Vibrating motor in the output circuit is supplied power through the 1.5V voltage that is sent by regulating circuit, and buzzer links to each other with the 6v power supply; In use, will be connected on the optical coupled switch by the 1.5V voltage end that transforming circuit output comes, and from other end output, last ground connection.The model of this vibrating motor is an ALONG hollow cup micro-vibration motor, and quantity is 4, and total operating power of four vibrating motors is: P=4 * 1.5V * 100mA=4 * 0.15W=0.6W; This buzzer model is the UZ16-1 that Shanghai Yongxing Electronic Switch CO., Ltd. produces.
Said blind-guiding stick is made up of infrared module, ordinary canes, GPS module, gsm module and main control unit; Position annexation between it is: infrared module is placed on the ordinary canes bottom; Over against the place ahead, GPS module, gsm module and main control module unit are fixed on around the middle part of ordinary canes, and this infrared module is surveyed; This GPS module assembling position information; Communicating by letter with main control unit through gsm module sends to host computer through Fetion, and host computer is input to the longitude and latitude that sends automatically and finds user's particular location in the GoogleEarth software, by management personnel positional information is offered salvor and user family members.
This infrared module is the infrared receiving demodulation module of microminiature RPM-638CBR, and volume is little, and detection range reaches 8--15M;
This ordinary canes is a quadropods, and plastic handrail props up the iron pipe base on the aluminium alloy.
The Jupiter 21OEM plate that this GPS module is a Navman company, it has 12 passages, and volume is little, little cuboid;
This gsm module is the TC35i module of SIEMENS company, supports the technical grade gsm module of Chinese short message, is operated in EGSM 900 and GSM 1800 two-bands, and power range is 3.3~5.5V, but transferring voice and data message, rectangle;
This main control unit is that A T89S52 single-chip microcomputer is as controller; Be shaped as rectangle.
Said host computer is a computer that is connecting the Internet.
The operation principle and the work process of this utility model are:
The function of exploring the way simply realizes with infrared sensor, reports to the police with mode of vibration and buzzing mode.The rescue function part proposes the GPS/GSM long range positioning technology that a kind of serial ports is used more in order to solve the limited space property of remote object locator data transmission with less resource, and with its realization.This technology combines the GPS technology with the GSM short message service, be that core constitutes control unit with the AT89S52 single-chip microcomputer.Utilize the serial ports to divide, overcome the problem that the AT89S52 single-chip microcomputer has only a serial ports dexterously with realizing single-chip microcomputer and gsm module communication.Utilize the transmission means of GSM short message, send on the host computer, on Google Earth, show the locating information that just can obtain the people writing monitoring software on the PC of Surveillance center through Fetion as locator data
3, advantage and effect: the advantage that a kind of intelligent blind guiding system of this utility model has is:
1) location provides present problem condition that faces of user and SOS warning function to host computer.Strong in community and these medium sized region suitabilitys of welfare home;
2) combine to solve the detection of different distance through ultrasound wave and infrared sensor;
3, realized the detection of five positions (front lower place) all around;
4, apparatus for guiding blind is wherein a part of is loaded on the clothes, and the part of wherein loading clothes has added the caution reflecting strips, has reached other people purpose of caution;
5, the blind person receives information, and part has been used vibrating motor and voice are two points out;
6, this product has the urgent charging device of solar energy, provides a favorable security for making things convenient for the blind person to go on a journey.
(4) description of drawings
Fig. 1 is the regulating circuit sketch map
Fig. 2 is the digital signal processing circuit sketch map
Fig. 3 is an output circuit first sketch map
Fig. 4 is an output circuit second portion sketch map
Fig. 5 is the way circuit sketch map
Fig. 6 is a guide clothing part flow chart
Fig. 7 is the epigynous computer section flow chart
Fig. 8 is a blind-guiding stick part flow chart
Fig. 9 is a structural representation of the present invention
Symbol description is following among the figure:
L is LM317
G is an optocoupler
H is an infrared module
M is a vibrating motor
F is a buzzer
S is 74LS14
Vcc is the 12V power supply
Q is audion 2N1711
CSB is a ultrasonic sensor
T1 is that regulating circuit is Fig. 1
T2 is that digital signal processing circuit is Fig. 2
R1=1200Ω
R3=1000Ω
R2=500Ω
R4=500Ω
C1=1μf
C2=1μf
Mod1 is for please noting the place ahead button
Mod2 is for please noting right-hand button
Mod3 is for please noting the left button
Mod4 is for turning left away button
Mod5 is for turning right away button
(5) specific embodiment
See Fig. 9, a kind of intelligent blind-guiding salvage system of this utility model, it is made up of guide clothing, blind-guiding stick, host computer three parts; Relation between it is that guide clothing and blind-guiding stick are realized barrier avoiding function jointly, and blind-guiding stick is mainly surveyed the front lower place, and the guide clothing is surveyed front upper place all around; The function that the while blind-guiding stick sends positional information and user situation in addition; There is the corresponding situation information of a plurality of buttons for example to fall down on the blind-guiding stick, lost, have an attack of one's old illness or the like.On one's body the guide clothing is through, in blind-guiding stick is hand held.Both do not connect.When a situation arises, the user was by different buttons, and host computer receives locating information and the situation information that blind-guiding stick sends, and informs the salvor, and household and nearest hospital succour.
Said guide clothing is made up of clothing body and the control circuit put within it, and this clothing body is the vest shape upper garment of making according to human body, is to adopt 100% knitting low stretch yarn lining to make, and is convenient to washing, firm and durable; The promptly high bright reflective PVC lattice band of reflective tape on it adopts high bright reflective chemical fabric to make, and the color of clothing body adopts the caution color, to reach the purpose of caution passerby and vehicle.This control circuit is by importation (infrared sensor; Sonac), regulating circuit, digital signal processing circuit and output circuit are formed; Relation between it is: when near infrared, sonac detect, barrier being arranged, can export digital signal, digital signal is handled (reverse through digital signal processing circuit; Amplify), signal passes over control output circuit break-make.
This importation is made up of infrared sensor and sonac,
Infrared sensor uses rich light 50-NK.Concrete parameter is:
Electrical characteristic: U:5VDC, I:100mA,
Overall dimensions: long: 30MM, wide: 20MM is thick: 13MM
Wire length: 45CM;
In normal operation, run into barrier outfan output low level, export the high level of 5V at ordinary times.Power is approximately 0.5W during use.Then the general power of four infrared sensors is: P=4 * 0.5W=2W; The model of sonac is: TCT40-16T3.Fig. 6 is the flow chart of guide clothing part.
See Fig. 1, this regulating circuit is made up of a LM317 chip, four fixed value resistances and two customization electric capacity, is interconnected with one another.The LM317 chip form is square, and resistance is common fixed carbon resister, and profile is cylindrical, and electric capacity is ceramic disc capacitor, and profile is the disk shape; Utilize the DC voltage transformation function of LM317, use the resistance built-up circuit 6V voltage that is directly sent by battery to be converted into of the work of the running voltage of 1.5V with driving vibrating motor and buzzer.Because Vout=1.25V (1+R2/R1)=1.5V in actual use, gets R1=1200 Ω, R3=1000 Ω, R2=500 Ω, 0.5W R4=500 Ω 0.5W, C1=1 μ f, C2=1 μ f.
See Fig. 2, this digital signal processing circuit is made up of with reverse chip 74LS14 optocoupler, and the relation between it is that reverse chip 74LS14 directly is connected with optocoupler; Because infrared sensor actual signal that sends out when running into barrier is a low level, so in circuit, use chip 74LS14 that the level signal of sending from infrared sensor is carried out oppositely.What the 74LS14 chip used is the running voltage of 5V, so directly used the power supply of 6V that it is supplied power, also can make the chip operate as normal.After handling through 74LS14, sending is digital signal level; Power less (being approximately 2mW); The actual use power of optocoupler also very little (<2mW), carry out work so in use can directly connect the 74LS14 chip, therefore adopt optocoupler directly to be connected and carry out work with reverse chip 74LS14.This optocoupler is: model is the optocoupler 817 of hundred million light; The outfan of infrared sensor is received No. 1 pin of 74LS14 chip, drawn by No. 2 pins, carry out oppositely, and will be received on the optocoupler by the signal that the 74LS14 chip is drawn, optical coupled switch other end ground connection becomes control end.
See Fig. 3, Fig. 4; This output circuit is made up of ultrasonic sensor, vibrating motor, buzzer and audion 2N1711; Annexation between it is that vibrating motor links to each other with two output pins of optocoupler; Buzzer is connected with audion, and audion is connected with ultrasonic sensor: ultrasonic sensor links to each other with the 12v power supply; Vibrating motor in the output circuit is supplied power through the 1.5V voltage that is sent by regulating circuit.Buzzer links to each other with the 6v power supply, in use, will be connected on the optical coupled switch by the 1.5V voltage end that transforming circuit output comes, and from other end output, last ground connection.The model of this vibrating motor is an ALONG hollow cup micro-vibration motor, and quantity is 4, and total operating power of four vibrating motors is: P=4 * 1.5V * 100mA=4 * 0.15W=0.6W; This buzzer model is the UZ16-1 that Shanghai Yongxing Electronic Switch CO., Ltd. produces.
Said blind-guiding stick is made up of infrared module, ordinary canes, GPS module, gsm module and main control unit; Position annexation between it is: infrared module is placed on the crutch bottom; Over against the place ahead, the GPS module, gsm module and main control module are fixed on around the middle part of crutch; This infrared module is surveyed; GPS module assembling position information; Send on the host computer through Fetion through GSM and single chip communication, show that on Google Earth software the locating information that just can obtain the people offers the people personnel that rescue writing monitoring software on the PC of Surveillance center.Fig. 8 is the flow chart of blind-guiding stick part.
This infrared module is the infrared receiving demodulation module of microminiature RPM-638CBR, and volume is little, and detection range reaches 8--15M; Upright and horizontal two kinds of packing forms are arranged, and its main electric parameters: VCC is 4.5--5.5V, and quiescent current (unglazed photograph and signal input) Icc is 3MA; Peak wavelength is 0.94uM; Horizontal acceptance angle is 33 degree, and acceptance angle is 14 degree up and down, and receive frequency is 38KHz.
This ordinary canes is a quadropods, and plastic handrail props up the iron pipe base on the aluminium alloy.
The Jupiter 21OEM plate that this GPS module is a Navman company, it has 12 passages, and volume is little, little cuboid; 10 meters of positioning accuracies.
This gsm module is the TC35i module of SIEMENS company, supports the technical grade gsm module of Chinese short message, is operated in EGSM 900 and GSM 1800 two-bands, and power range is 3.3~5.5V, but transferring voice and data message, rectangle;
This main control unit is that A T89S52 single-chip microcomputer is as controller; The type shape is a rectangle.
Said host computer is a computer that is connecting the Internet.Its model specification is: Lenovo R400.Fig. 7 is the flow chart of epigynous computer section.Fig. 5 is the way circuit sketch map of this utility model.
The operation principle and the work process of this utility model are:
The function of exploring the way simply realizes with infrared sensor, reports to the police with mode of vibration and buzzing mode.The rescue function part proposes the GPS/GSM long range positioning technology that a kind of serial ports is used more in order to solve the limited space property of remote object locator data transmission with less resource, and with its realization.This technology combines the GPS technology with the GSM short message service, be that core constitutes control unit with the AT89S52 single-chip microcomputer.Utilize the serial ports to divide, overcome the problem that the AT89S52 single-chip microcomputer has only a serial ports dexterously with realizing single-chip microcomputer and gsm module communication.Utilize the transmission means of GSM short message, on Lenovo R400 computer, write the locating information that monitoring software just can obtain the people as locator data.

Claims (1)

1. intelligent blind-guiding salvage system; It is characterized in that: it is made up of guide clothing, blind-guiding stick, host computer three parts, on one's body the guide clothing is through, in blind-guiding stick is hand held; When a situation arises; The user presses buttons different on the blind-guiding stick, and host computer receives location and the situation information that blind-guiding stick sends, and informs that household and nearest hospital succour;
Said guide clothing is made up of clothing body and the control circuit put within it; This clothing body is the vest shape upper garment of making according to human body; It is provided with high bright reflective PVC lattice band, and the color of clothing body adopts the caution color, and this control circuit is made up of importation, regulating circuit, digital signal processing circuit and output circuit; When the importation is infrared and near sonac when barrier being arranged detecting; Can export digital signal, digital signal is handled through digital signal processing circuit, and signal passes over control output circuit break-make; This importation is infrared sensor and sonac, and wherein infrared sensor is four, lays respectively at all around, and one of sonac is positioned at the place ahead; This regulating circuit is made up of a LM317 chip, four fixed value resistances and two customization electric capacity, is interconnected with one another; This digital signal processing circuit is made up of with reverse chip 74LS14 optocoupler, and reverse chip 74LS14 directly is connected with optocoupler; This output circuit is made up of ultrasonic sensor, vibrating motor, buzzer and audion 2N1711; Vibrating motor links to each other with two output pins of optocoupler; Buzzer is connected with audion; Audion is connected with ultrasonic sensor, and ultrasonic sensor links to each other with the 12v power supply, and buzzer links to each other with the 6v power supply;
Said blind-guiding stick is made up of infrared module, ordinary canes, GPS module, gsm module and main control unit; Infrared module is placed on the ordinary canes bottom; Over against the place ahead; GPS module, gsm module and main control unit are fixed on around the middle part of ordinary canes, and this infrared module is the infrared receiving demodulation module of microminiature RPM-638CBR; This ordinary canes is a quadropods; This GPS module is a Jupiter 21OEM plate; This gsm module is the TC35i module; This main control unit is an A T89S52 single-chip microcomputer;
Said host computer is a computer that is connecting the Internet.
CN201120406689XU 2011-10-24 2011-10-24 Intelligent blind-guiding rescue system Expired - Fee Related CN202355554U (en)

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Application Number Priority Date Filing Date Title
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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103536427A (en) * 2013-07-23 2014-01-29 苏州卫生职业技术学院 Walking stick capable of sounding for the blind
CN104013128A (en) * 2014-06-24 2014-09-03 太仓飙豹服饰有限公司 Children reflective safety clothes
US9311827B1 (en) 2014-11-17 2016-04-12 Amal Abdullah Alqahtani Wearable assistive device, system and methods thereof for the visually impaired

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103536427A (en) * 2013-07-23 2014-01-29 苏州卫生职业技术学院 Walking stick capable of sounding for the blind
CN104013128A (en) * 2014-06-24 2014-09-03 太仓飙豹服饰有限公司 Children reflective safety clothes
US9311827B1 (en) 2014-11-17 2016-04-12 Amal Abdullah Alqahtani Wearable assistive device, system and methods thereof for the visually impaired

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GR01 Patent grant
C17 Cessation of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20120801

Termination date: 20131024