CN111568710A

CN111568710A - Voice blind guiding equipment

Info

Publication number: CN111568710A
Application number: CN202010258933.6A
Authority: CN
Inventors: 周启凤
Original assignee: Chongqing Normal University
Current assignee: Chongqing Normal University
Priority date: 2020-04-03
Filing date: 2020-04-03
Publication date: 2020-08-25

Abstract

The invention discloses voice blind guiding equipment, which detects the distance between a front object and an object through ultrasonic waves by a first distance measuring module, detects the distance between a rear object and the object through ultrasonic waves by a second distance measuring module, and detects the distance between a side object and the object through ultrasonic waves by a third distance measuring module, wherein the wireless transmission module transmits information received by the first distance measuring module, the second distance measuring module and the third distance measuring module, which are received by a processor, to a voice output module through radio, and the voice output module is used for receiving the information transmitted by the wireless transmission module and converting the information into voice information for playing, so that a blind can know the distance between the surrounding object and the object through voice in the walking process, and the blind can be prevented from colliding with the object in the walking process.

Description

Voice blind guiding equipment

Technical Field

The invention relates to the field of blind guiding equipment, in particular to voice blind guiding equipment.

Background

The blind people are a group of weak people, about 1500 more than ten thousand blind people exist in China at present, the number is increased year by year, and the blind people have much inconvenience in the aspects of life self-care, work and the like due to physiological defects. When the blind person walks outdoors, the blind person can only comprehensively judge surrounding obstacles by the aid of the crutch in the hand and the sense of hearing, and the blind person does not feel safe. The blind person can hardly walk safely without accompanying. The government expends huge expenses to reform urban roads, barrier-free sidewalks are additionally arranged, and alarm signals and the like are additionally arranged at intersections of traffic lights. Nevertheless, the blind feels inconvenient. Many organizations at home and abroad also research and produce related electronic blind guiding devices, but the blind guiding function provided by the existing blind guiding device is not obvious, and if the blind walks in a noisy environment, the blind cannot clearly transmit the guiding information to the blind even if voice prompt exists, so that the accuracy and safety of the blind during walking cannot be fully guaranteed.

The blind person usually needs an auxiliary device or a blind guiding dog to assist the blind person to perceive the surrounding environment when walking due to visual obstacles so as to help the blind person to walk.

Disclosure of Invention

The invention aims to provide voice blind guiding equipment, and aims to solve the technical problems that the blind guiding equipment in the prior art is a blind guiding stick, the blind guiding stick can sense the existence of surrounding objects through touching, but the road environment is complex in reality, the detectable range of the blind guiding stick is small, the objects around the blind cannot be comprehensively detected, and the walking safety of the blind is influenced.

In order to achieve the purpose, the voice blind guiding device comprises a foot ring, a processor, a signal acquisition system and a conduction system; the processor is connected with the foot ring and positioned inside the foot ring, the signal acquisition system is connected with the processor, and the conduction system is connected with the processor; the signal acquisition system comprises a first ranging module, a second ranging module and a third ranging module, wherein the first ranging module is connected with the processor, the second ranging module is connected with the processor, and the third ranging module is connected with the processor; the first distance measuring module is used for detecting whether an object exists in front of the first distance measuring module and the distance between the object and the first distance measuring module through ultrasonic waves and transmitting information to the processor; the second distance measuring module is used for detecting whether an object exists behind and the distance between the object through ultrasonic waves and transmitting information to the processor; the third ranging module is used for detecting whether an object exists on the side surface and the distance between the object and the side surface through ultrasonic waves and transmitting information to the processor; the conduction system comprises a wireless transmission module and a voice output module, the wireless transmission module is connected with the processor, and the voice output module is in wireless connection with the wireless transmission module; the wireless transmission module is used for transmitting the signals of the first ranging module, the second ranging module and the third ranging module received by the processor to the voice output module through radio; and the voice output module is used for receiving the information transmitted by the wireless transmission module and converting the information into voice information for playing.

The signal acquisition system further comprises a voice control module, and the voice control module is connected with the processor; the voice control module is used for receiving external voice signals, judging the distance of an object through voice frequency, and transmitting information to the voice output module through the wireless output module to be played.

Wherein, the signal acquisition system also comprises a navigation module. The navigation module is connected with the processor and the wireless transmission module; the navigation module is used for receiving position information and planning a walking path through a wireless network and transmitting the information to the voice output module through the wireless transmission module for playing.

The signal acquisition system also comprises an early warning module, wherein the early warning module is connected with the processor and the wireless transmission module; the early warning module is used for receiving numerical value information of the first ranging module, the second ranging module and the third ranging module, judging a safe distance range through comparison, and transmitting the numerical value information to the voice output module through the wireless transmission module.

Wherein the conduction system further comprises an active defense module, the active defense module being connected with the processor; and the active defense module is used for receiving the dangerous distance value set by the early warning module and carrying out active protection by popping out an air bag outwards.

Wherein the conduction system further comprises an illumination module connected with the processor; the illumination module is used for illuminating the surroundings when the light is dark and prompting passersby nearby.

The conduction system further comprises a voice prompt module, and the voice prompt module is connected with the processor; the voice prompt module is used for playing voice information outside and prompting surrounding pedestrians to notice avoidance.

The voice blind guiding equipment further comprises a rod body and a supporting plate, wherein the rod body is in wireless electric connection with the processor and is positioned outside the foot ring; the supporting plate is rotatably connected with the rod body and is positioned at one end, close to the foot ring, of the rod body.

The voice blind guiding device further comprises a rotary steering engine, wherein the rotary steering engine is fixedly connected with the rod body, is rotatably connected with the supporting plate and is positioned between the rod body and the supporting plate.

The voice blind guiding device further comprises an anti-slip pad, wherein the anti-slip pad is fixedly connected with the supporting plate and is positioned on one side, far away from the rod body, of the supporting plate.

According to the voice blind guiding device, the first distance measuring module is used for detecting the distance between an object and an object in front of the device through ultrasonic waves, the second distance measuring module is used for detecting the distance between the object and the object in back of the device through ultrasonic waves, the third distance measuring module is used for detecting the distance between the object and the object on the side of the device through ultrasonic waves, the wireless transmission module is used for transmitting the information received by the first distance measuring module, the second distance measuring module and the third distance measuring module, which is received by the processor, to the voice output module through radio, and the voice output module is used for receiving the information transmitted by the wireless transmission module and converting the information into voice information to be played, so that a blind can know the distance between the object and the object in the surrounding through voice in the walking process, and collision between the blind and the object in the walking process is prevented.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a schematic view of the external structure of the foot ring of the present invention.

Fig. 2 is a system diagram of the device signal transmission of the present invention.

Fig. 3 is a schematic view of the connection structure of the rod body and the support plate according to the present invention.

In the figure: the system comprises a foot ring 1, a processor 2, a signal acquisition system 3, a conduction system 4, a rod body 5, a support plate 6, a rotary steering engine 7, an antiskid pad 8, a first distance measurement module 31, a second distance measurement module 32, a third distance measurement module 33, a sound control module 34, a navigation module 35, an early warning module 36, a wireless transmission module 41, a voice output module 42, an active defense module 43, an illumination module 44, a voice prompt module 45 and a voice blind guide device 100.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.

In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships illustrated in the drawings, and are used merely for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention. Further, in the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

In a first example of the present embodiment:

referring to fig. 1 and fig. 2, the present invention provides a voice blind guiding device 100, which includes a foot ring 1, a processor 2, a signal acquisition system 3 and a conduction system 4; the processor 2 is connected with the foot ring 1 and is positioned inside the foot ring 1, the signal acquisition system 3 is connected with the processor 2, and the conduction system 4 is connected with the processor 2; the signal acquisition system 3 comprises a first ranging module 31, a second ranging module 32 and a third ranging module 33, wherein the first ranging module 31 is connected with the processor 2, the second ranging module 32 is connected with the processor 2, and the third ranging module 33 is connected with the processor 2; the first distance measuring module 31 is configured to detect whether there is an object in front of the processor and a distance between the object and the first distance measuring module through ultrasonic waves, and transmit information to the processor 2; the second distance measuring module 32 is configured to detect whether there is an object behind and a distance between the object by using ultrasonic waves, and transmit information to the processor 2; the third ranging module 33 is configured to detect whether there is an object on a side surface and a distance between the object by using ultrasonic waves, and transmit information to the processor 2; the conduction system 4 comprises a wireless transmission module 41 and a voice output module 42, wherein the wireless transmission module 41 is connected with the processor 2, and the voice output module 42 is in radio connection with the wireless transmission module 41; the wireless transmission module 41 is configured to transmit the signals of the first ranging module 31, the second ranging module 32 and the third ranging module 33 received by the processor 2 to the voice output module 42 by radio; the voice output module 42 is configured to receive the information transmitted by the wireless transmission module 41, and convert the information into voice information for playing.

Further, the signal acquisition system 3 further includes a voice control module 34, and the voice control module 34 is connected to the processor 2; the voice control module 34 is configured to receive an external voice signal, determine a distance between objects according to a voice frequency, and transmit information to the voice output module 42 for playing through the wireless output module.

Further, the signal acquisition system 3 further comprises a navigation module 35. The navigation module 35 is connected with the processor 2 and connected with the wireless transmission module 41; the navigation module 35 is configured to receive position information and plan a walking path through a wireless network, and transmit the information to the voice output module 42 through the wireless transmission module 41 for playing.

Further, the signal acquisition system 3 further includes an early warning module 36, and the early warning module 36 is connected to the processor 2 and connected to the wireless transmission module 41; the early warning module 36 is configured to receive numerical information of the first ranging module 31, the second ranging module 32, and the third ranging module 33, determine a safe distance range through comparison, and transmit the numerical information to the voice output module 42 through the wireless transmission module 41.

Further, the conduction system 4 further comprises an active defense module 43, wherein the active defense module 43 is connected with the processor 2; and the active defense module 43 is configured to receive the dangerous distance value set by the early warning module 36, and actively protect the vehicle by popping out an airbag.

In this embodiment, the foot ring 1 is a circular ring and has a front free end and a rear free end, and the two free ends are respectively sewed with a hook and loop fastener and a hook and loop fastener, so that the front end and the rear end of the foot ring 1 are connected to form a closed circle, and the foot ring 1 is worn on the lower leg of the user and moves along with the swing of the lower leg; the inside mounting of foot ring 1 has the battery, and the battery is sewed up through the protective housing in the inside of foot ring 1, treater 2 passes through electric wire connection with the battery, and is located the position that foot ring 1 is close to the battery, first distance measuring module 31 specifically is first ultrasonic ranging appearance, second distance measuring module 32 specifically is second ultrasonic ranging appearance, third distance measuring module 33 specifically is third ultrasonic ranging appearance, and first ultrasonic ranging appearance, second ultrasonic ranging appearance and third ultrasonic ranging appearance's appearance are the same, and the built-in ultrasonic sensor that the model is US-020 that is used for receiving ultrasonic signal through ultrasonic transmission, and then judge the object distance, and first ultrasonic ranging appearance is located the front side of foot ring 1 for the distance of surveying user place ahead object, second ultrasonic ranging appearance is located the rear side of foot ring 1, the device is used for detecting the distance of an object behind a user, the third ultrasonic distance meter is positioned on the left side or the right side of the foot ring 1, as the left foot and the right foot of the user wear the foot ring 1 respectively, the third ultrasonic distance meter of the foot ring 1 of the left foot is positioned on the left side of the foot ring 1, and the third ultrasonic distance meter of the foot ring 1 of the right foot is positioned on the right side of the foot ring 1, so that the front side, the rear side and the left side and the right side of the leg of the user are subjected to obstacle detection through the first ultrasonic distance meter, the second ultrasonic distance meter and the third ultrasonic distance meter; the sound control module 34 is specifically a sound collector, an audio frequency collecting chip with the type of AIC3104 is arranged in the sound collector, the sound frequency signal of an external object is received, the signal is transmitted into the processor 2 for operation, and distance data of the object is obtained by calculating the sound transmission speed and the receiving time; the wireless transmission module 41 is specifically a wireless network transmitter, the wireless network transmitter transmits and receives wireless signals through a built-in wireless network card to provide network support for the processor 2, the voice output module 42 is specifically a wireless bluetooth headset, a wireless receiver is built in the wireless bluetooth headset and is used for receiving information transmitted by the wireless network transmitter, a voice chip with the model number of ISD1760PY is further built in the wireless bluetooth headset, the received information of the wireless network transmitter is converted into voice signals to be played, and a user can know detection data of the first ultrasonic distance meter, the second ultrasonic distance meter, the third ultrasonic distance meter and the sound collector in real time through voice information sent by the wireless bluetooth headset; the navigation module 35 is specifically a GPS navigation module, which is internally provided with a GPS chip and is connected with a wireless network output device through a wire, and sends a current position signal to an external terminal, and receives a real-time road condition signal again, so that a user can set a destination through the GPS navigation module, and the GPS navigation module transmits navigation information to a wireless bluetooth headset through a wireless network transmitter for voice playing; the early warning module 36 is a preset safety value, reads and writes the preset safety value in the processor 2, when the values detected by the first ultrasonic distance meter, the second ultrasonic distance meter, the third ultrasonic distance meter and the sound collector are rapidly reduced and are smaller than the preset safety value, the alarm switch is triggered, and an alarm signal is transmitted to the wireless Bluetooth headset through the wireless network transmitter to prompt a user; the active defense module 43 is specifically an airbag and an airbag sensor, the airbag sensor is 95920-3V100 and is connected with the processor 2, the airbag is accommodated in the foot ring 1, when the processor 2 sends a protection signal to the airbag sensor, the airbag sensor sends a signal to the gas generator to make the airbag rapidly pop up to protect a user from colliding with an object, so that the first distance measurement module 31 detects the distance between the object and the object in front through ultrasonic waves, the second distance measurement module 32 detects the distance between the object and the object in back through ultrasonic waves, the third distance measurement module 33 detects the distance between the object and the object in side through ultrasonic waves, the sound control module 34 receives an external sound signal, judges the distance between the object through sound frequency, and transmits information to the voice output module 42 through the wireless output module for playing, the wireless transmission module 41 transmits the signals of the first distance measurement module 31, the second distance measurement module 32, the third distance measurement module 33 and the sound control module 34 received by the processor 2 to the voice output module 42 through radio, the voice output module 42 is used for receiving the information transmitted by the wireless transmission module 41 and converting the information into voice information for playing, so that the blind can know whether an object exists around and the distance of the object through voice in the walking process, and the collision with the object in the walking process is prevented.

In a second example of the present embodiment:

Further, the conduction system 4 further comprises an illumination module 44, the illumination module 44 being connected with the processor 2; the illumination module 44 is used for illuminating the surroundings when the light is dark and prompting the passerby nearby.

Further, the conduction system 4 further comprises a voice prompt module 45, and the voice prompt module 45 is connected with the processor 2; and the voice prompt module 45 is used for externally playing voice information to prompt surrounding pedestrians to notice avoidance.

In the embodiment, the lighting module 44 is a lighting lamp, the lighting lamp is connected with the storage battery through a wire, and the storage battery controls the on-off of the lighting lamp, so that the lighting lamp can illuminate the body of the user, and the body can be more easily found by a pedestrian nearby during the walking process of the user and can be avoided; voice prompt module 45 specifically is the speaker, and the speaker passes through the wire with treater 2 and is connected to pass through the wire with the battery, treater 2 sets up voice prompt information to the speaker to play by treater 2, notice to dodge with the suggestion pedestrian on every side, so pass through lighting module 44 with voice prompt module 45 carries out initiative suggestion to the pedestrian on user's next door, in order to avoid user and the pedestrian on next door to bump.

In a third example of the present embodiment:

referring to fig. 1 to 3, the present invention provides a voice blind guiding device 100, which includes a foot ring 1, a processor 2, a signal acquisition system 3 and a conduction system 4; the processor 2 is connected with the foot ring 1 and is positioned inside the foot ring 1, the signal acquisition system 3 is connected with the processor 2, and the conduction system 4 is connected with the processor 2; the signal acquisition system 3 comprises a first ranging module 31, a second ranging module 32 and a third ranging module 33, wherein the first ranging module 31 is connected with the processor 2, the second ranging module 32 is connected with the processor 2, and the third ranging module 33 is connected with the processor 2; the first distance measuring module 31 is configured to detect whether there is an object in front of the processor and a distance between the object and the first distance measuring module through ultrasonic waves, and transmit information to the processor 2; the second distance measuring module 32 is configured to detect whether there is an object behind and a distance between the object by using ultrasonic waves, and transmit information to the processor 2; the third ranging module 33 is configured to detect whether there is an object on a side surface and a distance between the object by using ultrasonic waves, and transmit information to the processor 2; the conduction system 4 comprises a wireless transmission module 41 and a voice output module 42, wherein the wireless transmission module 41 is connected with the processor 2, and the voice output module 42 is in radio connection with the wireless transmission module 41; the wireless transmission module 41 is configured to transmit the signals of the first ranging module 31, the second ranging module 32 and the third ranging module 33 received by the processor 2 to the voice output module 42 by radio; the voice output module 42 is configured to receive the information transmitted by the wireless transmission module 41, and convert the information into voice information for playing.

Further, the voice blind guiding device 100 further comprises a rod body 5 and a supporting plate 6, wherein the rod body 5 is connected with the processor 2 through radio and is located outside the foot ring 1; the supporting plate 6 is rotatably connected with the rod body 5 and is positioned at one end, close to the foot ring 1, of the rod body 5.

Further, blind equipment 100 is led to pronunciation still includes rotatory steering wheel 7, rotatory steering wheel 7 with body of rod 5 fixed connection, and with backup pad 6 rotates to be connected, and is located the body of rod 5 with between the backup pad 6.

Further, the voice blind guiding device 100 further comprises an anti-slip pad 8, wherein the anti-slip pad 8 is fixedly connected with the supporting plate 6 and is located on one side of the supporting plate 6 far away from the rod body 5.

In this embodiment, the rod body 5 is a blind guiding stick, a handle is integrally fixed at the top end of the blind guiding stick, a storage battery and a wireless network output device are installed inside the rod body 5, the wireless network output device is connected with the processor 2 through a wireless network transmitter, the bottom of the rod body 5 is fixedly provided with the rotary steering engine 7 through threads, the rotary steering engine 7 is provided with a fixed outer shell and a rotary inner shell, the rotary inner shell is fixedly provided with the supporting plate 6 through threads, the supporting plate 6 is a circular plate, the bottom of the supporting plate 6 is integrally fixed with the anti-slip mat 8, the anti-slip mat 8 is made of rubber, has good anti-slip performance, is driven to rotate with the rod body 5 through the rotary steering engine 7, is internally provided with an angle sensor with the type of ADXL335BCPZ, receives the angle change of the supporting plate 6, and transmits information into the processor 2 through the wireless network output device for calculation, and through wireless bluetooth headset to user voice broadcast, so the user can pass through the body of rod 5 is known the slope of place ahead road, falls down when meetting the great topography of discrepancy in elevation when having avoided the walking.

While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.

Claims

1. The voice blind guiding equipment is characterized by comprising a foot ring, a processor, a signal acquisition system and a conduction system;

the processor is connected with the foot ring and positioned inside the foot ring, the signal acquisition system is connected with the processor, and the conduction system is connected with the processor;

the signal acquisition system comprises a first ranging module, a second ranging module and a third ranging module, wherein the first ranging module is connected with the processor, the second ranging module is connected with the processor, and the third ranging module is connected with the processor;

the first distance measuring module is used for detecting whether an object exists in front of the first distance measuring module and the distance between the object and the first distance measuring module through ultrasonic waves and transmitting information to the processor;

the second distance measuring module is used for detecting whether an object exists behind and the distance between the object through ultrasonic waves and transmitting information to the processor;

the third ranging module is used for detecting whether an object exists on the side surface and the distance between the object and the side surface through ultrasonic waves and transmitting information to the processor;

the conduction system comprises a wireless transmission module and a voice output module, the wireless transmission module is connected with the processor, and the voice output module is in wireless connection with the wireless transmission module;

the wireless transmission module is used for transmitting the signals of the first ranging module, the second ranging module and the third ranging module received by the processor to the voice output module through radio;

and the voice output module is used for receiving the information transmitted by the wireless transmission module and converting the information into voice information for playing.

2. The voice blind guide apparatus of claim 1,

the signal acquisition system also comprises a voice control module, and the voice control module is connected with the processor;

the voice control module is used for receiving external voice signals, judging the distance of an object through voice frequency, and transmitting information to the voice output module through the wireless output module to be played.

3. The voice blind guide apparatus of claim 2,

the signal acquisition system also comprises a navigation module, and the navigation module is connected with the processor and the wireless transmission module;

the navigation module is used for receiving position information and planning a walking path through a wireless network and transmitting the information to the voice output module through the wireless transmission module for playing.

4. The voice blind guide apparatus of claim 3,

the signal acquisition system also comprises an early warning module, and the early warning module is connected with the processor and the wireless transmission module;

the early warning module is used for receiving numerical value information of the first ranging module, the second ranging module and the third ranging module, judging a safe distance range through comparison, and transmitting the numerical value information to the voice output module through the wireless transmission module.

5. The voice blind guide apparatus of claim 4,

the conduction system further comprises an active defense module, and the active defense module is connected with the processor;

and the active defense module is used for receiving the dangerous distance value set by the early warning module and carrying out active protection by popping out an air bag outwards.

6. The voice blind guide apparatus of claim 1,

the conduction system further comprises an illumination module connected with the processor;

the illumination module is used for illuminating the surroundings when the light is dark and prompting passersby nearby.

7. The voice blind guide apparatus of claim 6,

the conduction system further comprises a voice prompt module, and the voice prompt module is connected with the processor;

the voice prompt module is used for playing voice information outside and prompting surrounding pedestrians to notice avoidance.

8. The voice blind guide apparatus of claim 1,

the voice blind guiding equipment also comprises a rod body and a supporting plate, wherein the rod body is in wireless electric connection with the processor and is positioned outside the foot ring; the supporting plate is rotatably connected with the rod body and is positioned at one end, close to the foot ring, of the rod body.

9. The voice blind guide apparatus of claim 8,

10. The voice blind guide apparatus of claim 9,