CN111096885A

CN111096885A - Blind guiding stick capable of identifying traffic light signals

Info

Publication number: CN111096885A
Application number: CN201811271671.6A
Authority: CN
Inventors: 王庆阳
Original assignee: Xian Zhisheng Ruixin Semiconductor Technology Co Ltd
Current assignee: Xian Zhisheng Ruixin Semiconductor Technology Co Ltd
Priority date: 2018-10-29
Filing date: 2018-10-29
Publication date: 2020-05-05

Abstract

The invention relates to a blind guiding stick capable of recognizing traffic light signals, which comprises an upper stick body, a lower support body and a Bluetooth earphone, wherein the upper stick body is detachably connected with the lower support body, a power supply and a control unit which are mutually and electrically connected are arranged inside the upper stick body, the control unit comprises a color recognition module, a control module and a Bluetooth module which are sequentially connected, and the output end of the Bluetooth module is in wireless connection with the Bluetooth earphone. The blind guiding stick can help the blind people to judge the state of traffic lights at the intersection rapidly through the color identification module and the control module, and reminds the users of going forward or stopping in a sound or vibration mode, so that the people with visual disabilities can go out more conveniently and safely.

Description

Blind guiding stick capable of identifying traffic light signals

Technical Field

The invention belongs to the technical field of blind guiding sticks, and particularly relates to a blind guiding stick capable of identifying traffic light signals.

Background

Most information of people is obtained through vision in the life process, and the blind people lose the vision, so that a lot of inconvenience is brought to life, work, learning and the like of the blind people. Safe traveling is the most important problem in the life of the blind. At present, auxiliary tools for the blind to go out are mainly a blind guiding dog and a blind guiding stick, wherein the blind guiding stick is most commonly used, the traditional blind guiding stick is only a walking stick and can only be used as a simple path finding tool, the requirements of the blind cannot be met far away, and although some improved intelligent blind guiding sticks exist in the market, the state information of traffic lights cannot be provided for the blind.

Disclosure of Invention

In order to solve the problems in the prior art, the invention provides a blind guiding stick capable of identifying traffic light signals. The technical problem to be solved by the invention is realized by the following technical scheme:

the invention provides a blind guiding stick capable of identifying traffic light signals, which is characterized by comprising an upper stick body, a lower support body and a Bluetooth earphone, wherein the upper stick body is detachably connected with the lower support body, a power supply and a control unit which are mutually and electrically connected are arranged in the upper stick body, the control unit comprises a color identification module, a control module, a Bluetooth module and a vibrator, wherein,

the color identification module, the control module and the Bluetooth module are electrically connected in sequence;

the Bluetooth module is wirelessly connected with the Bluetooth headset;

the vibrator is electrically connected with the control module.

In one embodiment of the invention, the color identification module is a color sensor.

In one embodiment of the invention, the control module is a single chip microcomputer.

In one embodiment of the present invention, the first pin, the second pin and the fifth pin of the color sensor are all connected to the power supply, and the third pin and the fourth pin are all grounded; a seventh pin of the color sensor is connected with a second pin of the singlechip; an eighth pin of the color sensor is connected with the first pin of the singlechip; a sixth pin of the color sensor is connected with a sixth pin of the singlechip; a third pin of the single chip microcomputer is connected with the power supply; and an eleventh pin of the single chip microcomputer is grounded, and a ninth pin and a tenth pin of the single chip microcomputer are data output ends and are connected with the Bluetooth module and the vibrator.

In one embodiment of the invention, the free end of the upper crutch body of the blind guiding crutch capable of identifying traffic light signals is provided with a switch button, and the switch button is electrically connected with the power supply.

In one embodiment of the invention, the free end of the upper crutch body of the blind guiding crutch capable of identifying traffic light signals is provided with a USB interface, and the USB interface is electrically connected with the power supply.

In one embodiment of the invention, the lower end of the lower support body of the blind guiding stick capable of identifying traffic light signals is provided with an anti-slip rubber layer.

In one embodiment of the invention, the surface of the lower support of the blind guiding stick capable of identifying the traffic light signal is coated with a fluorescent material layer.

Compared with the prior art, the invention has the beneficial effects that:

1. the blind guiding stick capable of identifying the traffic light signals can help the blind people to judge the color of the traffic light at the intersection rapidly through the color identification module and the control module, and remind the user of going forward or stopping in a sound or vibration mode, so that the visually handicapped people can go out more conveniently and safely;

2. the blind guiding stick adopts the upper part and the lower part which are detachably connected, so that the maintenance or the replacement of the module assembly inside is convenient.

Drawings

Fig. 1 is a schematic structural view of a blind guiding stick capable of recognizing traffic light signals according to the present embodiment;

fig. 2 is a block diagram of a control unit of the blind guiding stick capable of recognizing traffic light signals according to the present embodiment;

fig. 3 is a circuit diagram illustrating a connection between a color recognition module and a control module of a blind guiding stick capable of recognizing traffic light signals according to this embodiment.

Description of reference numerals:

1-mounting the crutch body; 2-a lower support; 3-USB interface; 4-a power supply; 5-a control unit; 6-a color identification module; 7-a control module; 8-a Bluetooth module; 9-a bluetooth headset; 10-a vibrator; 11-a switch button; 12-a non-slip rubber layer; 13-layer of fluorescent material.

Detailed Description

The present disclosure is further described with reference to specific examples, but the embodiments of the present disclosure are not limited thereto.

Referring to fig. 1 to 3, fig. 1 is a schematic structural view of a blind guiding stick capable of recognizing traffic light signals according to the present embodiment; fig. 2 is a block diagram of a control unit of the blind guiding stick capable of recognizing traffic light signals according to the present embodiment; fig. 3 is a circuit diagram illustrating a connection between a color recognition module and a control module of a blind guiding stick capable of recognizing traffic light signals according to this embodiment. As shown in the figures, the blind guiding stick capable of recognizing traffic light signals comprises an upper stick body 1, a lower support body 2 and a bluetooth headset 9, wherein the upper stick body 1 is detachably connected with the lower support body 2, so that the blind guiding stick is convenient to store or maintain and replace internal components; the inside of going up the crutch body 1 is provided with power 4 and the control unit 5 of mutual electric connection, and the control unit 5 includes color identification module 6, control module 7, bluetooth module 8 and vibrator 10.

Further, the output end of the color identification module 6 of the blind guiding stick capable of identifying traffic light signals in the embodiment is connected with the input end of the control module 7; the output end of the control module 7 is connected with the input end of the Bluetooth module 8; the output end of the Bluetooth module 8 is wirelessly connected with a Bluetooth earphone 9; the vibrator 10 is connected with the output end of the control module 7; the color identification module 6 is used for receiving light signals of traffic lights, converting the light signals into digital signals and transmitting the digital signals to the control module 7; the control module 7 judges the color of the traffic light according to the received digital signal and transmits the signal to the Bluetooth module 8, if the signal is a red signal, the signal is transmitted to the vibrator 10 at the same time, the Bluetooth module 8 transmits the received signal to the Bluetooth headset 9, the Bluetooth headset 9 converts the received signal into an audio signal to be output, and the vibrator 10 generates vibration when receiving the red signal to remind a user of not continuing walking.

Specifically, the color recognition module 6 is a color sensor, the control module 7 is a single chip microcomputer, the first pin S1, the second pin S2 and the fifth pin S5 of the color sensor are all connected with the power supply 4, and the third pin S3 and the fourth pin S4 are all grounded; a seventh pin S7 of the color sensor is connected with a second pin P2 of the singlechip; an eighth pin S8 of the color sensor is connected with a first pin P1 of the singlechip; a sixth pin S6 of the color sensor is connected with a sixth pin P6 of the singlechip; a third pin P3 of the singlechip is connected with a power supply 4; an eleventh pin P11 of the single chip microcomputer is grounded, and a ninth pin P9 and a tenth pin P10 of the single chip microcomputer are data output ends and are respectively connected with the Bluetooth module 8 and the vibrator 10.

In this embodiment, the model of the color sensor is TSC230, the model of the single chip microcomputer is C8051F300, and the seventh pin S7 and the eighth pin S8 of the color sensor are pins selected by the type of the photodiode inside the color sensor; the single chip microcomputer controls the color sensor through a first pin P1 and a second pin P2, and receives a sensing signal through the connection of a sixth pin P6 and a sixth pin S6 of the color sensor.

Further, a switch button 11 is arranged at the free end of the upper crutch body 1 of the blind guiding crutch capable of recognizing traffic light signals, and the switch button 11 is electrically connected with the power supply 4 and is used for controlling the working states of the color recognition module 6 and the bluetooth module 8; the free end of the upper crutch body 1 of the blind guiding stick is provided with a USB interface 3 which is used for connecting an external power supply to charge the blind guiding stick.

Further, the lower end of the lower support body 2 of the blind guiding stick capable of identifying traffic light signals is provided with an anti-slip rubber layer 12, so that the anti-slip effect is achieved when the blind guiding stick is in contact with the ground.

Further, the surface of the lower supporter 2 of the blind guiding stick capable of recognizing traffic light signals of the embodiment is coated with a fluorescent material layer 13, such as fluorescent paint, which can prompt other pedestrians and vehicles to avoid in time to keep the distance when used at night, thereby improving the traveling safety of users.

The specific use process of the blind guiding stick capable of identifying traffic light signals is as follows: firstly wearing a Bluetooth earphone 9, when walking at a traffic light intersection, turning on a switch button 11, receiving light signals of the traffic light by a color sensor, generating different frequency outputs according to different illumination, reading the frequency output by the sensor by the singlechip, judging high and low levels according to setting, thereby obtaining color information and outputting the information to a Bluetooth module 8 and a vibrator 10, judging the traffic light condition of the intersection by a user through sound prompt received by the Bluetooth earphone 9, and when the traffic light signals are red light signals, simultaneously vibrating the vibrator to remind the user not to continue walking.

The blind guiding stick capable of identifying traffic light signals of the embodiment can rapidly help the blind person to judge the state of the traffic light at the intersection through the color identification module and the control module, and remind the user of going forward or stopping in a sound or vibration mode, so that people with visual disabilities can go out more conveniently and safely, the blind guiding stick adopts the upper part and the lower part to be detachably connected, and the convenient user can store or maintain and replace the internal module assembly.

The foregoing is a more detailed description of the invention in connection with specific preferred embodiments and it is not intended that the invention be limited to these specific details. For those skilled in the art to which the invention pertains, several simple deductions or substitutions can be made without departing from the spirit of the invention, and all shall be considered as belonging to the protection scope of the invention.

Claims

1. A blind guiding stick capable of identifying traffic light signals is characterized by comprising an upper stick body (1), a lower support body (2) and a Bluetooth earphone (9), wherein the upper stick body (1) is detachably connected with the lower support body (2),

a power supply (4) and a control unit (5) which are electrically connected with each other are arranged inside the upper crutch body (1), and the control unit (5) comprises a color identification module (6), a control module (7), a Bluetooth module (8) and a vibrator (10);

the color identification module (6), the control module (7) and the Bluetooth module (8) are electrically connected in sequence;

the Bluetooth module (8) is in wireless connection with the Bluetooth headset (9);

the vibrator (10) is electrically connected with the control module (7).

2. The blind guiding stick capable of recognizing traffic light signals according to claim 1, characterized in that the color recognition module (6) is a color sensor.

3. The blind guiding stick capable of identifying traffic light signals as claimed in claim 1, wherein the control module (7) is a single chip microcomputer.

4. The blind guiding stick capable of recognizing traffic light signals as claimed in claim 1, wherein the first pin (S1), the second pin (S2) and the fifth pin (S5) of the color sensor are all connected with the power supply (4), and the third pin (S3) and the fourth pin (S4) are all grounded; a seventh pin (S7) of the color sensor is connected with a second pin (P2) of the singlechip; an eighth pin (S8) of the color sensor is connected with a first pin (P1) of the singlechip; a sixth pin (S6) of the color sensor is connected with a sixth pin (P6) of the singlechip; a third pin (P3) of the singlechip is connected with the power supply (4); an eleventh pin (P11) of the single chip microcomputer is grounded, and a ninth pin (P9) and a tenth pin (P10) of the single chip microcomputer are data output ends and are respectively connected with the Bluetooth module (8) and the vibrator (10).

5. The tactile stick capable of recognizing traffic light signals according to claim 1, characterized in that a switch button (11) is arranged at the free end of the upper stick body (1) of the tactile stick, and the switch button (11) is electrically connected with the power supply (4).

6. The blind guiding stick capable of recognizing traffic light signals according to claim 1, characterized in that a USB interface (3) is arranged at the free end of the upper stick body (1) of the blind guiding stick, and the USB interface (3) is electrically connected with the power supply (4).

7. The blind guiding stick capable of identifying traffic light signals as claimed in claim 1, wherein the lower end of the lower support body (2) is provided with a non-slip rubber layer (12).

8. The blind guiding stick capable of identifying traffic light signals according to claim 1, characterized in that the surface of the lower support (2) is coated with a layer of fluorescent material (13).