CN211298646U

CN211298646U - Electronic chest card for blind people to go out

Info

Publication number: CN211298646U
Application number: CN202020089407.7U
Authority: CN
Inventors: 黄陶朵儿
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-01-16
Filing date: 2020-01-16
Publication date: 2020-08-21
Anticipated expiration: 2030-01-16

Abstract

The utility model discloses an electron chest card that blind person's trip was used, including wireless radio frequency transmitter, chest card casing, PCB board, speaker and wireless radio frequency receiver, there is the front shroud chest card casing front portion, wireless radio frequency transmitter installs on urban road signpost, be equipped with PCB board, speaker and wireless radio frequency receiver in the chest card casing, be equipped with the treater on the PCB board, the treater is connected with speaker and wireless radio frequency receiver electricity, wireless radio frequency receiver is used for receiving wireless radio frequency transmitter's signal and sends to the treater, and the treater is used for reporting received signal to the speaker. The utility model discloses can inform the blind person that the position is located geographical position through voice prompt's mode, can effectual help blind person carry out road identification, walk by oneself. The utility model discloses can provide light warning function when light is dim for the blind person has increased one safety guarantee when walking night.

Description

Electronic chest card for blind people to go out

Technical Field

The utility model relates to a trip auxiliary assembly field especially relates to an electron chest card that blind person's trip was used.

Background

A large number of people with vision defects in China cannot distinguish roads, guideboards and the like through vision, so that great obstacles exist in autonomous traveling, and particularly in urban traffic reconstruction with the difference of every day, the traveling difficulty is greatly improved. Although the traffic light is used for broadcasting prompts and the like on the existing road, the travel requirements of the blind cannot be met.

Disclosure of Invention

The utility model aims at providing an electron chest card that blind person's trip usefulness that can report signpost to prior art's defect.

In order to realize the above purpose, the utility model adopts the following technical scheme:

the utility model provides an electron chest card that blind person's trip was used, includes wireless radio frequency transmitter, chest card casing, PCB board, speaker and wireless radio frequency receiver, chest card casing front portion has the front shroud, wireless radio frequency transmitter installs on urban road signpost, be equipped with PCB board, speaker and wireless radio frequency receiver in the chest card casing, be equipped with the treater on the PCB board, the treater is connected with speaker and wireless radio frequency receiver electricity, wireless radio frequency receiver is used for receiving wireless radio frequency transmitter's signal and sends to the treater, and the treater is used for reporting received signal to the speaker.

Further, still install the LED warning light in the chest card casing, be equipped with photosensitive sensor on the front shroud, photosensitive sensor, LED warning light all are connected with the treater electricity, the bright of photosensitive sensor signal control LED warning light is gathered to the treater and is gone out.

Further, the photosensitive sensor is a photosensitive resistor, and the processor collects signals of the photosensitive resistor to control the on and off of the LED warning lamp.

Furthermore, a solar panel is arranged in the chest card shell and connected with the processor through a power management circuit and a lithium battery, and the solar panel is connected with a low-dropout linear voltage stabilizing chip and used for converting 6V voltage into 4.4V voltage and charging the lithium battery; the lithium battery is connected with the low-voltage-difference linear voltage stabilizing chip for voltage reduction, and the voltage is converted into 3.3V.

Furthermore, the front cover plate is provided with an LED diffusion plate at the front side of the LED warning lamp, and the front cover plate is provided with a sound raising hole at the front side of the loudspeaker.

Furthermore, a rear cover is arranged behind the chest card shell, and the rear cover and the chest card shell are connected and combined into a clamping groove.

Furthermore, a rope threading hole is formed above the chest card shell.

Furthermore, the upper part of the chest card shell is also provided with an earphone jack.

Further, the processor is an STM32F103RCT6 singlechip.

Furthermore, the models of the radio frequency transmitter and the radio frequency receiver are both WSN _ 31.

Adopt the technical scheme of the utility model, the beneficial effects of the utility model are that: compared with the prior art, the utility model discloses can inform the blind person that the position is located geographical position through voice prompt's mode, can effectual help the blind person carry out road identification, walk by oneself. The utility model discloses can provide light warning function when light is dim for the blind person has increased one safety guarantee when walking night. And simultaneously, the utility model discloses a solar energy power supply, the environmental protection is convenient, and has the accumulate function, the demand of power consumption when can effectual guarantee uses.

Drawings

FIG. 1 is an exploded view of an electronic chest card for the blind to go out;

FIG. 2 is a circuit module diagram of an electronic chest card for the blind to go out;

fig. 3 is a photo-resistor circuit diagram of an electronic chest card for the blind to go out provided by the utility model;

fig. 4 is a power management circuit diagram of the electronic chest card for the blind to go out provided by the utility model;

FIG. 5 is a circuit diagram of an LED warning light of the electronic chest card for the blind in traveling;

fig. 6 is a circuit diagram of a wireless rf transmitter of the electronic chest card for the blind to go out;

fig. 7 is a circuit diagram of a voice module of the electronic chest card for the blind to go out.

The intelligent chest card comprises a chest card shell, 2, a PCB (printed circuit board), 3, a loudspeaker, 4, a wireless radio frequency receiver, 5, a solar panel, 6, a hanging rope, 7, a front cover plate, 8, a riding card, 9, an LED warning lamp, 10, a processor, 11, an LED diffusion plate, 12, a photosensitive sensor, 13, a sound raising hole, 14, a rear cover, 15 and an earphone jack.

Detailed Description

The specific embodiments of the present invention will be further explained with reference to the accompanying drawings.

As shown in fig. 1, the electronic chest card for the blind to go out comprises a wireless radio frequency transmitter, a chest card shell 1, a PCB board 2, a loudspeaker 3 and a wireless radio frequency receiver 4, wherein a front cover plate 7 is arranged at the front part of the chest card shell 1, and the wireless radio frequency transmitter is arranged on a city road guideboard and can also be arranged at the positions of a landmark building doorplate and the like. Be equipped with PCB board 2, speaker 3 and wireless radio frequency receiver 4 in the chest card casing 1, be equipped with treater 10 on the PCB board 2, treater 10 is connected with speaker 3 and wireless radio frequency receiver 4 electricity, wireless radio frequency receiver 4 is used for receiving wireless radio frequency transmitter's signal and sends to treater 10, and treater 10 is used for broadcasting received signal transmission to speaker 3. The loudspeaker 3 is connected with the processor 10 through a voice module.

The LED warning lamp is characterized in that an LED diffusion plate 11 is arranged on the front side of the LED warning lamp 9 on the periphery of the front cover plate, and a sound raising hole 13 is formed in the front side of the loudspeaker 3 on the front cover plate 7. The chest card comprises a chest card shell 1 and is characterized in that a rear cover 14 is arranged behind the chest card shell 1, the rear cover 14 and the chest card shell 1 are connected and combined to form a clamping groove, a riding card 8 and the like can be placed in the clamping groove, and the chest card is convenient for the blind to use. A rope through hole is formed in the upper portion of the chest card shell 1 and used for hanging a rope 6. The upper part of the chest card shell 1 is also provided with an earphone jack 15.

The voice module is a JQ8400-TF chip, as shown in FIG. 7. The wireless radio frequency transmitter and the wireless radio frequency receiver are both in the model of WSN _31, as shown in FIG. 6. The processor 10 is an STM32F103RCT6 single chip microcomputer.

The power-on of the voice module (JQ8400-TF chip) is in a default waiting state, the processor 10 sends a communication protocol through serial port pins (PA2 pin and PA3 pin) to control playing of a corresponding voice file, and the SPK and SPK + pins are speaker/earphone access pins and are used for being connected with the speaker 3 or the earphone jack 15.

Naming the voice file corresponding to the guideboard as a name of two bytes, where xx way is: 03.MP3, stored in the voice module (JQ8400-TF chip), the voice file content includes concrete road and peripheral main function buildings, such as toilet, supermarket, bank, hospital location information, etc.

When the chest card receives the specific guideboard coded data through the wireless radio frequency receiver 4, the corresponding voice file is played after searching and comparison.

On urban road, SET up wireless radio frequency transmitter, SET up corresponding parameter through setting up the SET pin on the wireless radio frequency ware to the low level, include: the pin is suspended after network numbering, working mode, baud rate, wireless channel, wireless power, data bit, check bit and the like.

The guideboard transmits self-coded data in real time, and each guideboard has a unique identity. After the chest card is started, the wireless radio frequency module receives wireless signals through serial port pins (PA9 pin and PA10 pin), when a blind person walks into the signal range of the xx wireless radio frequency transmitter, namely receives coded data of the guideboard, the chest card searches a voice file set stored in the voice module in advance according to the code, finds a voice file corresponding to the guideboard from the voice file set, and plays the voice file corresponding to the guideboard in a voice mode, such as: you are currently located on the liberation road No. 200, and an agricultural bank and a first-person hospital are arranged around the liberation road.

An LED warning light 9 is also arranged in the chest card shell, as shown in figure 5. As shown in fig. 1 and 3, a photosensitive sensor 12 is arranged on the front cover plate, the photosensitive sensor 12 and the LED warning lamp 9 are electrically connected with a processor 10, and the processor 10 collects signals of the photosensitive sensor 12 to control the on and off of the LED warning lamp 9.

The photosensitive sensor 12 is a photosensitive resistor, and the processor 10 collects signals of the photosensitive resistor to control the on and off of the LED warning lamp 9. The photoresistor is used as an illumination intensity detection component to complete conversion from light intensity to resistance value signals, namely the stronger the illumination is, the smaller the resistance value is; conversely, the greater the resistance value. Then the resistance value is converted into an electric signal; the signal is collected through a pin PA0 of the processor 10 and is compared with a set threshold value after being processed, so that the on and off of the LED warning lamp 9 are controlled. Namely, when the acquisition value is higher than the threshold value, the LED warning lamp 9 is lightened; on the contrary, the LED warning lamp 9 is turned off, a high-low level signal is sent out through a pin PC10 of the processor 10, the LED warning lamp is controlled through a triode ss8050, and the plurality of lamp beads connected in parallel are turned on and off, that is, the LED warning lamp 9 is turned on at a high level; at low level, the LED warning light 9 is turned off. The device function can make blind person's light when dark place walking, plays the warning effect to the passerby, reminds here someone walking, notices to dodge.

As shown in fig. 1 and 4, a solar panel 5 is further installed in the chest card housing 1, the solar panel 5 is connected with the processor 10 through a power management circuit and a lithium battery, the solar panel 5 is connected with a low-dropout linear voltage stabilization chip and an HT7144-1 chip, and converts 6V voltage into 4.4V voltage and is used for charging the lithium battery; the lithium battery is connected with the low-voltage-difference linear voltage stabilization chip, and the ME6206A33 chip is used for reducing voltage and converting the voltage into 3.3V. The 3.3V is used for supplying power to the processor (STM32F103RCT6 single chip microcomputer), the LED warning lamp 9, the voice module, the wireless radio frequency receiver 4, the photosensitive sensor 12 and peripheral circuits thereof.

It should be noted that the foregoing is only a preferred embodiment of the present invention and the technical principles applied. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail with reference to the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the scope of the present invention.

Claims

1. The utility model provides an electron chest card that blind person's trip was used, its characterized in that, includes wireless radio frequency transmitter, chest card casing, PCB board, speaker and wireless radio frequency receiver, chest card casing front portion has the front shroud, wireless radio frequency transmitter installs on urban road signpost, be equipped with PCB board, speaker and wireless radio frequency receiver in the chest card casing, be equipped with the treater on the PCB board, the treater is connected with speaker and wireless radio frequency receiver electricity, wireless radio frequency receiver is used for receiving wireless radio frequency transmitter's signal and sends to the treater, and the treater is used for reporting received signal to the speaker.

2. The electronic chest card for blind travel according to claim 1, wherein an LED warning lamp is further arranged in the chest card housing, a photosensitive sensor is arranged on the front cover plate, the photosensitive sensor and the LED warning lamp are both electrically connected with the processor, and the processor collects signals of the photosensitive sensor to control the LED warning lamp to be turned on or turned off.

3. The electronic chest card for blind person going out of claim 2, wherein the photosensitive sensor is a photosensitive resistor, and the processor collects signals of the photosensitive resistor to control the on and off of the LED warning light.

4. The electronic chest card for the blind to go out is characterized in that a solar panel is further arranged in the chest card shell and connected with a processor through a power management circuit and a lithium battery, the solar panel is connected with a low-dropout linear voltage stabilizing chip and used for converting 6V voltage into 4.4V voltage and charging the lithium battery; the lithium battery is connected with the low-voltage-difference linear voltage stabilizing chip for voltage reduction, and the voltage is converted into 3.3V.

5. The electronic chest card for blind men to go out of claim 1, wherein the front cover plate is provided with an LED diffusion plate at the front side of the LED warning lamp at the periphery, and the front cover plate is provided with a sound raising hole at the front side of the loudspeaker.

6. The electronic chest card for blind travel according to claim 1, wherein a rear cover is arranged behind the chest card housing, and the rear cover and the chest card housing are connected and combined into a clamping groove.

7. The electronic chest card for blind men to go out of claim 1, wherein a threading hole is arranged above the chest card shell.

8. The electronic chest card for blind men to go out of claim 1, wherein the upper part of the chest card shell is further provided with an earphone jack.

9. The electronic chest card for blind travel according to claim 1, wherein the processor is an STM32F103RCT6 single chip microcomputer.

10. The electronic chest card for blind men to go out of claim 1, wherein the type of the radio frequency transmitter and the type of the radio frequency receiver are both WSN _ 31.