CN209734483U - Blind person naked ear guide device based on modulated ultrasonic waves - Google Patents
Blind person naked ear guide device based on modulated ultrasonic waves Download PDFInfo
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- CN209734483U CN209734483U CN201821914860.6U CN201821914860U CN209734483U CN 209734483 U CN209734483 U CN 209734483U CN 201821914860 U CN201821914860 U CN 201821914860U CN 209734483 U CN209734483 U CN 209734483U
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- 230000005540 biological transmission Effects 0.000 claims description 6
- 238000007789 sealing Methods 0.000 claims description 5
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 238000003745 diagnosis Methods 0.000 claims 1
- 230000004888 barrier function Effects 0.000 abstract description 12
- 230000000644 propagated effect Effects 0.000 abstract description 2
- 210000005069 ears Anatomy 0.000 description 16
- 241000282414 Homo sapiens Species 0.000 description 6
- 210000004556 brain Anatomy 0.000 description 5
- WEJZHZJJXPXXMU-UHFFFAOYSA-N 2,4-dichloro-1-phenylbenzene Chemical compound ClC1=CC(Cl)=CC=C1C1=CC=CC=C1 WEJZHZJJXPXXMU-UHFFFAOYSA-N 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000001154 acute effect Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000007340 echolocation Effects 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 230000008447 perception Effects 0.000 description 2
- 241000288673 Chiroptera Species 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 210000000867 larynx Anatomy 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 210000000214 mouth Anatomy 0.000 description 1
- 210000003928 nasal cavity Anatomy 0.000 description 1
- 210000001525 retina Anatomy 0.000 description 1
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Abstract
The utility model discloses a blind person's naked ear leads blind device based on modulation ultrasonic wave, including ultrasonic emission box and control box, connect the data line between ultrasonic emission box and the control box, the inside fixed ultrasonic transducer group that is equipped with of ultrasonic emission box, ultrasonic emission box front side is equipped with photoelectric sensor and warning light, the fixed fixation clamp that is equipped with in ultrasonic emission box bottom, fixation clamp one end top is equipped with the fixed ply-yarn drill of U type. The utility model discloses utilize ultrasonic transducer array, the ultrasonic wave after will modulating is launched, when the ultrasonic wave was propagated along the straight line in the air, but the audible sound wave of ear is gone into in the automatic demodulation, when having the barrier in the propagation path of ultrasonic carrier, the barrier can reflect the sound wave, and the blind person can follow the direction of sound wave, distance, tone and look and judge size, distance, shape density etc. of barrier, leads the blind person even.
Description
Technical Field
The utility model relates to a lead blind device field, in particular to blind person's naked ear leads blind device based on modulation ultrasonic wave.
Background
Bats can emit ultrasonic waves generated from the larynx through the oral or nasal cavity, and are directed by the reflected sound, a method of spatial orientation known as echolocation. The echo tells the bat the location and size of objects in the vicinity of the bat, and whether the objects are moving, which can help the bat to find directions and catch game parts in the dark.
the sound which can be emitted by human beings is 100-10000Hz, the frequency of the sound which can be heard is 20-20000Hz, and the capability of using ultrasonic waves for echo positioning can not be achieved. However, the human being can carry out the spatial location by using a certain ultrasonic transmitting tool on the basis of the bat echo location principle.
Therefore, it is necessary to invent a blind guiding device based on modulated ultrasonic waves for blind people to solve the above problems.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a blind person's naked ear leads blind device based on modulation ultrasonic wave, through utilizing ultrasonic transducer array, the ultrasonic wave after will modulating is launched, when the ultrasonic wave is propagated along the straight line in the air, can demodulate out the audible sound wave of people's ear automatically, when there is the barrier in the propagation path of supersound carrier wave, the barrier can reflect the sound wave, to the blind person, what hear just like be from the sound wave that barrier surface sent, the blind person just also can follow the direction of sound wave, the distance, the tone, the size that the barrier was judged to the tone color, the distance, shape density etc. even, learn gradually can use the ears to come the perception world, in order to solve the problem that proposes in the above-mentioned background art.
in order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a blind device is led to blind person's naked ear based on modulation ultrasonic wave, includes ultrasonic emission box and control box, connect the data line between ultrasonic emission box and the control box, the inside fixed ultrasonic transducer group that is equipped with of ultrasonic emission box, ultrasonic emission box front side is equipped with photoelectric sensor and warning light, the fixed fixation clamp that is equipped with in ultrasonic emission box bottom, fixation clamp one end top is equipped with the fixed ply-yarn drill of U type, inside PCB board, battery, central processing unit, ultrasonic drive module and the GPS locator of being equipped with of control box, the control box top is inlayed and is equipped with the magnet piece, control box one side is equipped with charging socket and shift knob, shift knob sets up in charging socket top, the control box opposite side is equipped with the data line export.
Preferably, the ultrasonic transducer group comprises a plurality of ultrasonic transducers, and the plurality of ultrasonic transducers are distributed in the ultrasonic transmitting box in a rectangular array.
Preferably, the inner wall of the U-shaped fixed line card is provided with an anti-slip pad, the U-shaped fixed line card is fixedly connected with the fixed line through screws, and the inner side of the data line outlet is provided with a rubber sealing sleeve which is fixedly connected with the control box.
Preferably, the storage battery, the central processing unit, the ultrasonic drive module and the GPS locator are sequentially arranged from left to right, and the storage battery, the central processing unit, the ultrasonic drive module and the GPS locator are arranged at the top of the PCB and are connected with the PCB through wires.
Preferably, the connecting end of the central processing unit is provided with a terminal, the terminal is connected with the central processing unit through a wireless module, and the terminal comprises a mobile phone and a computer.
Preferably, the prompting lamp is arranged on one side of the photoelectric sensor, and the photoelectric sensor and the prompting lamp are connected with the central processing unit through data lines.
Preferably, the ultrasonic driving module is connected with the ultrasonic transducer group through a data line, and the ultrasonic driving module comprises an ultrasonic driving circuit.
Preferably, the fixing clamp is made of steel materials, and the magnet piece is connected with the fixing clamp in an attracting mode.
The utility model discloses a technological effect and advantage:
1. The modulated ultrasonic waves are transmitted by utilizing the ultrasonic transducer array, when the ultrasonic waves are transmitted in the air along a straight line, sound waves audible by human ears can be automatically demodulated, when obstacles exist in the transmission path of the ultrasonic carrier waves, the obstacles can reflect the sound waves, for the blind, the blind can judge the size, distance, shape, even density and the like of the obstacles from the direction, distance, tone and timbre of the sound waves just like the sound waves emitted from the surfaces of the obstacles, and gradually learns to sense the world by using two ears;
2. the device is controlled by a central processing unit to continuously emit modulated standard ultrasonic waves at certain time intervals, the modulated standard ultrasonic waves can be heard by naked ears after being demodulated in the air, and when no barrier exists in front of the blind person, the blind person can hear sound generated by weak air scattering; when an obstacle is in front of the blind person, the blind person can hear the sound reflected by the obstacle; when the blind person is in a room or a narrow space, the sounds reflected by surrounding objects are superposed together and transmitted to the ears of the blind person, the blind person can continuously learn and judge the change of the environment, the brain of the person has a compensation mechanism, and when the vision of the blind person disappears, the brain area for hosting the vision is used for processing other information, which is the reason that the ears of the blind person are more sensitive than normal people, and the blind guiding method and the blind guiding device also are the basis for developing social value;
3. The magnet sheet is connected with the fixing clamp in an attracting mode, when the device is not used, the data wire is wound on the ultrasonic transmitting box or the control box, and then the fixing clamp is connected and fixed with the magnet sheet on the control box, so that the whole device is stored and convenient to use;
4. The position of the blind person is sent to the terminal through the GPS positioner, so that the blind person can know the position of the blind person conveniently, when the photoelectric sensor detects that light is dark, the photoelectric sensor sends a signal to the central processing unit, and the central processing unit controls the prompting lamp to work to remind the pedestrians and vehicles coming and going to pay attention to avoiding, so that the safety of the blind person is higher.
drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a schematic structural diagram of the control box of the present invention.
Fig. 3 is a schematic structural view of the ultrasonic transmitting box of the present invention.
fig. 4 is a schematic diagram of the system structure of the present invention.
Fig. 5 is a schematic view of the blind guiding method for blind (front obstacle) according to the present invention.
Fig. 6 is a schematic view of the blind guiding method for blind person with bare ear of the present invention (the object in front).
in the figure: the ultrasonic monitoring system comprises an ultrasonic transmitting box 1, a control box 2, a data line 3, an ultrasonic transducer group 4, a fixing clamp 5, a U-shaped fixing line card 6, a PCB 7, a storage battery 8, a central processing unit 9, an ultrasonic driving module 10, a magnet piece 11, a charging socket 12, a switch button 13, a data line outlet 14, a photoelectric sensor 15, a prompting lamp 16, a GPS (global positioning system) locator 17 and a terminal 18.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Example 1:
according to the blind guiding device for blind naked ears based on modulated ultrasonic waves shown in the figures 1-6, the blind guiding device comprises an ultrasonic transmitting box 1 and a control box 2, a data line 3 is connected between the ultrasonic transmitting box 1 and the control box 2, an ultrasonic transducer group 4 is fixedly arranged inside the ultrasonic transmitting box 1, the ultrasonic transducer group 4 comprises a plurality of ultrasonic transducers which are arranged inside the ultrasonic transmitting box 1 in a rectangular array mode, a photoelectric sensor 15 and a prompt lamp 16 are arranged on the front side of the ultrasonic transmitting box 1, a fixing clamp 5 is fixedly arranged at the bottom of the ultrasonic transmitting box 1, a U-shaped fixing line clamp 6 is arranged at the top of one end of the fixing clamp 5, an anti-skid pad is arranged on the inner wall of the U-shaped fixing line clamp 6, the U-shaped fixing line clamp 6 is fixedly connected with the fixing clamp 5 through screws, and a PCB 7, The intelligent control device comprises a storage battery 8, a central processing unit 9, an ultrasonic drive module 10 and a GPS (global positioning system) positioner 17, wherein a magnet piece 11 is embedded at the top of a control box 2, a charging socket 12 and a switch button 13 are arranged on one side of the control box 2, the switch button 13 is arranged at the top of the charging socket 12, a data line outlet 14 is arranged on the other side of the control box 2, a rubber sealing sleeve is arranged on the inner side of the data line outlet 14, and the rubber sealing sleeve is fixedly connected with the control box 2 so as to seal the control box 2 and fix a data line 3 conveniently;
Ultrasonic drive module 10 passes through data line 3 with ultrasonic transducer group 4 and is connected, ultrasonic drive module 10 includes ultrasonic drive circuit, under drive circuit's drive, ultrasonic transducer array can launch the ultrasonic wave after the modulation, and this ultrasonic wave has the directionality, and when the ultrasonic wave got into the air, the frequency range that the human ear can be heard can be demodulated to the automatic demodulation to the ultrasonic wave after the modulation, after the ultrasonic wave met the barrier, the sound of reflection back contained information such as distance, position, size, shape even density of object, the blind person accessible acute ears are received and are distinguished.
Through fixing ultrasonic emission box 1 on the cap through fixation clamp 5, control box 2 can place in the clothes pocket, switch button 13 is pressed down this moment, central processing unit 9 control ultrasonic drive module 10 works, under drive circuit's drive, ultrasonic transducer array can launch the ultrasonic wave after the modulation, this ultrasonic wave has the directionality, when the ultrasonic wave gets into the air, the frequency range that the people's ear can be heard can be demodulated automatically to the ultrasonic wave after the modulation, after the ultrasonic wave meets the barrier, the sound of reflection back contains the information such as distance, position, size, shape density even of object, the blind person's accessible acute ears are received and are distinguished, learn gradually to come perception world with ears.
Example 2:
According to the blind person naked ear blind guiding device based on modulated ultrasonic waves shown in the figure 1, the fixing clamp 5 is made of steel materials, the magnet piece 11 is connected with the fixing clamp 5 in an attracting mode, when the blind person naked ear blind guiding device is not used, the data line 3 is wound on the ultrasonic transmitting box 1 or the control box 2, then the fixing clamp 5 is connected and fixed with the magnet piece 11 on the control box 2, the storage and the use of the whole blind person naked ear blind guiding device are achieved, and the storage and the use are convenient;
According to the blind guiding device for blind bare ears based on modulated ultrasonic waves shown in fig. 2-4, the storage battery 8, the central processing unit 9, the ultrasonic driving module 10 and the GPS locator 17 are sequentially arranged from left to right, and the storage battery 8, the central processing unit 9, the ultrasonic driving module 10 and the GPS locator 17 are arranged at the top of the PCB 7 and are connected with the PCB 7 through leads. The intelligent blind person warning system is characterized in that a terminal 18 is arranged at the connecting end of the central processing unit 9, the terminal 18 is connected with the central processing unit 9 through a wireless module, the terminal 18 comprises a mobile phone and a computer, the GPS positioner 17 sends the position of the blind person to the terminal 18, the blind person can know the position of the blind person conveniently, the safety of the blind person is higher, the warning light 16 is arranged on one side of the photoelectric sensor 15, the photoelectric sensor 15 and the warning light 16 are connected with the central processing unit 9 through the data line 3, the model of the photoelectric sensor 15 is set to be PZ-M31P, when the photoelectric sensor 15 detects that light is dark, signals are sent to the central processing unit 9, and the central processing unit 9 controls the warning light 16 to work to remind pedestrians and vehicles.
Example 3:
The ultrasonic transmitting box 1 can be directly arranged on a hat or other wearing objects, does not limit any fixing mode, has a wider popularization range and is better in practicability.
this practical theory of operation:
Referring to the attached drawings 1-6 of the specification, when in use, the ultrasonic transmitting box 1 can be fixed on a hat through the fixing clamp 5, the control box 2 can be placed in a pocket of clothes, at the moment, the switch button 13 is pressed, the device starts to work, the storage battery 8 supplies power to the central processor 9 and the ultrasonic driving module 10, the central processor 9 controls the ultrasonic driving module 10 to work, under the driving of the driving circuit, the ultrasonic transducer array can transmit modulated ultrasonic waves, the ultrasonic waves have directivity, when the ultrasonic waves enter the air, the modulated ultrasonic waves can be automatically demodulated to a frequency range which can be heard by human ears, when the ultrasonic waves meet obstacles, the reflected sound contains information such as distance, direction, size, shape and even density of objects, the blind can receive and distinguish the ultrasonic waves through sharp double ears, the central processor 9 controls equipment to press a certain time interval, the modulated standard ultrasonic waves are continuously emitted, the blind person can hear the standard ultrasonic waves by naked ears after the standard ultrasonic waves are demodulated in the air, and the blind person can hear sound generated by weak air scattering when no barrier exists in front of the blind person; when an obstacle is in front of the blind person, the blind person can hear the sound reflected by the obstacle; when the blind person is indoors or in a narrow space, the sounds reflected by surrounding objects are superposed together and transmitted to the ears of the blind person, and the blind person can continuously learn and judge the change of the environment;
When the blind person uses the device for the first time, the blind person can hear the 'dropping' and 'answering' sound emitted after the object in the pointing range of the device is reflected, and the distance and the direction of the obstacle can be directly judged by receiving the sound by two ears; the blind can also learn the size, shape and sound reflection characteristics of the barrier, so that the blind can 'see' the object in front; under the action of a human brain compensation mechanism, the processing mode of the echo information by the blind is similar to the processing mode of the normal person through the eyes to see objects, and an object is formed in the brain through the echo, which is similar to the object formed in the brain sea by the light rays emitted into the retina of a common person;
referring to the attached figure 1 of the specification, the magnet piece 11 is connected with the fixing clamp 5 in an attracting mode, when the device is not used, the data wire 3 is wound on the ultrasonic transmitting box 1 or the control box 2, and then the fixing clamp 5 is connected and fixed with the magnet piece 11 on the control box 2, so that the whole device is stored and convenient to use;
Referring to the attached figures 2-4 of the specification, the GPS positioner 17 sends the position of the blind person to the terminal 18, so that the blind person can know the position of the blind person conveniently, when the photoelectric sensor 15 detects that light is dark, a signal is sent to the central processing unit 9, the central processing unit 9 controls the prompting lamp 16 to work, pedestrians and vehicles coming and going are reminded of avoiding, and the safety of the blind person is higher.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.
Claims (8)
1. The utility model provides a blind person's naked ear leads blind device based on modulation ultrasonic wave, includes ultrasonic emission box (1) and control box (2), its characterized in that: the ultrasonic transmission device is characterized in that a data line (3) is connected between the ultrasonic transmission box (1) and the control box (2), an ultrasonic transducer group (4) is fixedly arranged in the ultrasonic transmission box (1), a photoelectric sensor (15) and a prompt lamp (16) are arranged on the front side of the ultrasonic transmission box (1), a fixing clamp (5) is fixedly arranged at the bottom of the ultrasonic transmission box (1), a U-shaped fixing line clamp (6) is arranged at the top of one end of the fixing clamp (5), a PCB (7), a storage battery (8), a central processing unit (9), an ultrasonic drive module (10) and a GPS (global positioning system) locator (17) are arranged in the control box (2), a magnet piece (11) is embedded in the top of the control box (2), a charging socket (12) and a switch button (13) are arranged on one side of the control box (2), and the switch button (13) is arranged at the, and a data line outlet (14) is formed in the other side of the control box (2).
2. The blind-ear blind-guiding device based on modulated ultrasonic waves as claimed in claim 1, characterized in that: the ultrasonic transducer group (4) comprises a plurality of ultrasonic transducers which are distributed in the ultrasonic transmitting box (1) in a rectangular array.
3. The blind-ear blind-guiding device based on modulated ultrasonic waves as claimed in claim 1, characterized in that: the inner wall of the U-shaped fixing wire clamp (6) is provided with an anti-slip pad, the U-shaped fixing wire clamp (6) is fixedly connected with the fixing clamp (5) through screws, a rubber sealing sleeve is arranged on the inner side of the data line outlet (14), and the rubber sealing sleeve is fixedly connected with the control box (2).
4. The blind-ear blind-guiding device based on modulated ultrasonic waves as claimed in claim 1, characterized in that: the intelligent ultrasonic diagnosis device is characterized in that the storage battery (8), the central processing unit (9), the ultrasonic driving module (10) and the GPS positioner (17) are sequentially arranged from left to right, and the storage battery (8), the central processing unit (9), the ultrasonic driving module (10) and the GPS positioner (17) are arranged at the top of the PCB (7) and are connected with the PCB (7) through wires.
5. the blind-ear blind-guiding device based on modulated ultrasonic waves as claimed in claim 1, characterized in that: the terminal (18) is arranged at the connecting end of the central processing unit (9), the terminal (18) is connected with the central processing unit (9) through a wireless module, and the terminal (18) comprises a mobile phone and a computer.
6. the blind-ear blind-guiding device based on modulated ultrasonic waves as claimed in claim 1, characterized in that: the prompting lamp (16) is arranged on one side of the photoelectric sensor (15), and the photoelectric sensor (15) and the prompting lamp (16) are connected with the central processing unit (9) through the data line (3).
7. The blind-ear blind-guiding device based on modulated ultrasonic waves as claimed in claim 1, characterized in that: the ultrasonic driving module (10) is connected with the ultrasonic transducer group (4) through a data line (3), and the ultrasonic driving module (10) comprises an ultrasonic driving circuit.
8. the blind-ear blind-guiding device based on modulated ultrasonic waves as claimed in claim 1, characterized in that: the fixing clamp (5) is made of steel materials, and the magnet piece (11) is connected with the fixing clamp (5) in an attracting mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821914860.6U CN209734483U (en) | 2018-11-16 | 2018-11-16 | Blind person naked ear guide device based on modulated ultrasonic waves |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821914860.6U CN209734483U (en) | 2018-11-16 | 2018-11-16 | Blind person naked ear guide device based on modulated ultrasonic waves |
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| Publication Number | Publication Date |
|---|---|
| CN209734483U true CN209734483U (en) | 2019-12-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821914860.6U Withdrawn - After Issue CN209734483U (en) | 2018-11-16 | 2018-11-16 | Blind person naked ear guide device based on modulated ultrasonic waves |
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| CN (1) | CN209734483U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109363899A (en) * | 2018-11-16 | 2019-02-22 | 吉国栋 | A kind of naked ear blind-guide device of blind person based on Modulated Ultrasonic wave |
-
2018
- 2018-11-16 CN CN201821914860.6U patent/CN209734483U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109363899A (en) * | 2018-11-16 | 2019-02-22 | 吉国栋 | A kind of naked ear blind-guide device of blind person based on Modulated Ultrasonic wave |
| CN109363899B (en) * | 2018-11-16 | 2023-12-26 | 吉国栋 | Blind device is led to blind person's naked ear based on modulation ultrasonic wave |
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