CN210301661U - Intelligent blind guiding device, walking stick and helmet - Google Patents
Intelligent blind guiding device, walking stick and helmet Download PDFInfo
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- CN210301661U CN210301661U CN201920045182.2U CN201920045182U CN210301661U CN 210301661 U CN210301661 U CN 210301661U CN 201920045182 U CN201920045182 U CN 201920045182U CN 210301661 U CN210301661 U CN 210301661U
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Abstract
The utility model relates to an intelligent blind guiding device, a walking stick and a helmet, which are combined with an ultrasonic ranging component, an acousto-optic sensor and an acousto-optic warning component through a processor component, thereby realizing the purpose that the blind can notice the front barrier according to different signal emission and can also send sound and light prompts within a certain range near the blind or when the blind goes out at night, realizing the automatic barrier avoidance prompt and the automatic dim prompt, thereby drawing the attention of passerby or vehicle and making the passerby or vehicle actively avoid; the processor assembly and the positioning system can actively provide a positioning function; the blind person can be started actively by the surrounding environment or started by triggering the operating case to rescue by one key, so that the blind person can communicate with the contact person timely.
Description
Technical Field
The utility model relates to a blind person appurtenance field especially relates to an intelligence is led blind device and walking stick, helmet.
Background
The blind people are a special social group, and daily trip and independent trip are the biggest puzzles faced by the blind people. The traditional trip of the blind person is carried out by auxiliary means such as a walking stick and a blind road paved on the road, but in the prior art, due to the fact that the blind road is occupied, the blind road is unreasonable to be paved, and the like, although a large amount of financial and material resources are invested by the government, the practical problem of the trip of the blind person still cannot be well solved; the common intelligent blind guiding walking stick utilizes a detection device, adjusts the sound frequency of a buzzer according to different detection distances, and reminds through sound, so that the blind can sense the distance of a barrier and is very passive, when a high-speed moving object appears around, the blind cannot predict the distance, and particularly in a dark environment, when the barrier is close to the blind, the barrier cannot sense the distance actively, and great danger exists.
Disclosure of Invention
In order to solve the above problems in the prior art, the utility model provides an intelligent blind guiding device, which comprises a power supply assembly and a processor assembly electrically connected with the power supply assembly, wherein the power supply assembly and the processor assembly are also electrically connected with a positioning assembly, an ultrasonic distance measuring assembly, an acousto-optic sensor, an acousto-optic warning assembly, a communication assembly and an operation button respectively; the processor assembly sends the positioning information in the positioning assembly to the remote terminal through the communication assembly, the processor assembly controls the communication assembly to establish communication connection with the remote terminal according to signals of the operation keys, and the processor assembly controls the acousto-optic warning assembly through signals of the acousto-optic sensor and/or the ultrasonic ranging assembly.
In one embodiment, the ultrasonic ranging module comprises a transmitting ultrasonic probe and a receiving ultrasonic probe, wherein a sound production control signal input end of the transmitting ultrasonic probe is connected with a distance detection control signal output end of the processor module, and a feedback signal output end of the receiving ultrasonic probe is connected with a distance detection signal input end of the processor module.
In one embodiment, the ultrasonic ranging assembly comprises at least a first ultrasonic ranging assembly, a second ultrasonic ranging assembly, a third ultrasonic ranging assembly; first ultrasonic ranging subassembly is fixed lead the dead ahead of blind device, the second ultrasonic ranging subassembly is fixed lead the left place ahead of blind device, the third ultrasonic ranging subassembly is fixed lead the right front of blind device, the fixed position connecting wire of first ultrasonic ranging subassembly, second ultrasonic ranging subassembly, third ultrasonic ranging subassembly constitutes triangle-shaped, first ultrasonic ranging subassembly, second ultrasonic ranging subassembly, third ultrasonic ranging subassembly and treater subassembly parallel connection.
In one embodiment, the acousto-optic sensor comprises an acoustic and/or photo-sensitive resistor; the acousto-optic warning component comprises a buzzer and a prompt lamp.
In one embodiment, the processor component comprises:
the first input module is used for acquiring a resistance signal transmitted by the photoresistor;
the second input module is used for acquiring a signal of the obstacle distance information transmitted by the ultrasonic ranging assembly;
the control module is used for controlling the output of the prompt signal according to the photoresistor signal and the obstacle distance information signal;
the first output module is used for transmitting a switching signal of the buzzer;
the second output module is used for transmitting a switching signal of the prompting lamp;
and the third output module is used for transmitting the communication connection signal between the communication module and the remote terminal.
In one embodiment, the control module transmits a signal for turning on the buzzer to the first transmission module and transmits a signal for turning on the warning light to the second output module when the photoresistor resistance signal transmitted by the first input module is greater than a first preset value or the obstacle distance information signal transmitted by the second input module is less than a second preset value; and the control module is used for transmitting a signal for establishing communication connection between the communication module and the remote terminal to the second output module under the conditions that the photoresistance signal transmitted by the first input module is greater than a third preset value and the signal of the obstacle distance information transmitted by the second input module is smaller than a second preset value, or the difference value of the photoresistance signal transmitted by the first input module is greater than a fourth preset value.
In one embodiment, the indicator light is arranged as a matrix light or a light strip, and the matrix light is arranged in one or more of a triangular shape, a circular shape, a square shape and an S shape.
In one embodiment, the device further comprises a timing device, the timing device is electrically connected with the power supply assembly and the processor assembly, the processor assembly calculates the duration of the ultrasonic distance measuring assembly and the duration of the output signal of the acousto-optic sensor exceeding a set value through a time signal transmitted by the timing device, and outputs a warning signal according to the duration.
As another aspect of the present invention, the present embodiment further provides a walking stick, which includes the intelligent blind guiding device as described in any one of the above embodiments.
As another aspect of the present invention, the present embodiment further provides a helmet, which includes the intelligent blind guiding device as described in any one of the above embodiments.
The embodiment of the utility model provides a realize beneficial effect once at least:
the utility model discloses a treater subassembly combines together with ultrasonic ranging subassembly, acoustic optical sensor, reputation warning subassembly, has realized not only can remind the blind person to notice the barrier in the place ahead according to different signal emission different warning information, can also be close to the blind person within a certain range, or when the blind person goes on a journey at night, initiatively sends sound and light suggestion, arouses the attention of passerby or vehicle, makes its initiative dodge; the processor assembly and the positioning system can actively provide a positioning function; the blind person can be started actively by the surrounding environment or started by triggering the operating case to rescue by one key, so that the blind person can communicate with the contact person timely.
Drawings
Fig. 1 is a schematic block diagram of an intelligent blind guiding device according to an embodiment of the present invention.
Fig. 2 is a schematic view of an intelligent blind guiding device according to an embodiment of the present invention.
Wherein: 1. a power supply component; 2. a processor component; 3. a positioning assembly; 4. an ultrasonic ranging assembly; 5. an acousto-optic sensor; 6. an acousto-optic warning component; 7. a communication component; 8. an operation key 9, a remote terminal 5-1 and a sound sensitive resistor; 5-2, a photoresistor; 6-1, a buzzer; 6-2 and a prompt lamp.
Detailed Description
Preferred embodiments of the present invention will be described below with reference to the accompanying drawings. It should be understood by those skilled in the art that these embodiments are only for explaining the technical principle of the present invention, and are not intended to limit the scope of the present invention.
The present invention will be further described with reference to the accompanying drawings and the detailed description.
The embodiment provides an intelligent blind guiding device, as shown in fig. 1, the device includes a power supply module 1 and a processor module 2 electrically connected to the power supply module 1, wherein the power supply module 1 and the processor module 2 are further electrically connected to a positioning module 3, an ultrasonic ranging module 4, an acousto-optic sensor 5, an acousto-optic warning module 6, a communication module 7 and an operation button 8, respectively; the processor assembly 2 sends the positioning information in the positioning assembly 3 to the remote terminal 9 through the communication assembly 7, the processor assembly 2 controls the communication assembly 7 to establish communication connection with the remote terminal 9 according to signals of the operation keys 8, and the processor assembly 2 controls the acousto-optic warning assembly 6 through signals of the acousto-optic sensor 5 and/or the ultrasonic ranging assembly 4.
In the embodiment, by connecting the acousto-optic sensor 5 and the ultrasonic ranging component 4 with the power supply component 1 and the processor component 2, the sound and light prompting device is automatically turned on to actively prompt the surrounding environment to require special attention under the condition that the environment is dim or noisy, so that the potential safety hazard caused by not paying attention to special crowds is avoided, and the safety of the special crowds is greatly improved; through the communication between the positioning component 3 and the remote terminal 9, the positioning information can be directly sent to the associated person of the blind person in real time without any operation, and the associated person can know the specific travel of the blind person at any time; moreover, one-click calling can be realized through the operation key 8 in the scheme, and communication can be directly established with a remote associated person or an alarm can be sent through one case under special conditions, wherein the communication component can be an SIM component.
In one embodiment, the ultrasonic ranging module 4 comprises a transmitting ultrasonic probe and a receiving ultrasonic probe, wherein a sound emission control signal input end of the transmitting ultrasonic probe is connected with a distance detection control signal output end of the processor module, and a feedback signal output end of the receiving ultrasonic probe is connected with a distance detection signal input end of the processor module.
In this embodiment, the ultrasonic ranging module 4 employs dual-probe ultrasonic ranging, and transmits and receives ultrasonic waves by using two probes respectively, wherein the transmitting probe corresponds to the receiving probe, and after the ultrasonic wave is transmitted, the receiving end can be started to receive the echo synchronously without switching the switching circuit.
In one embodiment, the ultrasonic ranging assembly 4 comprises at least a first ultrasonic ranging assembly, a second ultrasonic ranging assembly and a third ultrasonic ranging assembly; first ultrasonic ranging subassembly is fixed lead the dead ahead of blind device, the second ultrasonic ranging subassembly is fixed lead the left place ahead of blind device, the third ultrasonic ranging subassembly is fixed lead the right front of blind device, the fixed position connecting wire of first ultrasonic ranging subassembly, second ultrasonic ranging subassembly, third ultrasonic ranging subassembly constitutes triangle-shaped, first ultrasonic ranging subassembly, second ultrasonic ranging subassembly, third ultrasonic ranging subassembly and treater subassembly parallel connection.
In the embodiment, the distance of the obstacle is measured by at least three ultrasonic distance measuring assemblies, wherein the three ultrasonic distance measuring assemblies are arranged at different directions, the position points of the three ultrasonic distance measuring assemblies form a triangle, preferably an equilateral triangle, and the coverage detection range of the whole space is ensured, wherein the right front part is generally the traveling direction of the blind in the carrying process.
In one embodiment, as shown in FIG. 2, the acousto-optic sensor 5 includes an acoustic-sensitive resistor 5-1 and/or a photo-sensitive resistor 5-2; the acousto-optic warning component comprises a buzzer 6-1 and a prompt lamp 6-2.
The acoustic sensing resistor 5-1 is an element capable of changing the resistance value according to the loudness of ambient sound; the graphite in the acoustic resistor can vibrate by sound, and when the sound exists, the stone mill is pressed tightly, so that the conduction current is large; when the sound is small, the gaps of the graphite sheets are large, and the conducting current is small; the photoresistor 5-2 can also be called a light pipe, the common manufacturing material is cadmium sulfide, in addition, materials such as selenium, aluminum sulfide, lead sulfide, bismuth sulfide and the like are also used, as current carriers generated by illumination participate in conduction, drift motion is carried out under the action of an external electric field, electrons rush to the anode of a power supply, and holes rush to the cathode of the power supply, so that the resistance value of the photoresistor is rapidly reduced, namely, the resistance value transmitted by the photoresistor is larger along with the darkening of the surrounding environment; the buzzer is a sounding element, in particular to an electronic buzzer with an integrated structure, and the main parameters of the buzzer are the external dimension, the sounding direction, the working voltage, the working frequency, the working current, the driving mode (direct current/square wave) and the like which can be selected according to the requirement; the indicator light is a component capable of emitting bright light.
In one embodiment, the processor assembly 2 comprises:
the first input module is used for acquiring a resistance signal transmitted by the photoresistor 5-2;
the second input module is used for acquiring a signal of the obstacle distance information transmitted by the ultrasonic ranging component 4;
the control module is used for controlling the output of the prompt signal according to the photoresistor signal and the obstacle distance information signal;
the first output module is used for transmitting a switching signal of the buzzer 6-1;
the second output module is used for transmitting a switching signal of the prompting lamp 6-2;
and the third output module is used for transmitting the communication connection signal between the communication module and the remote terminal.
In this embodiment, the control module controls the output of the signal according to the signals input by the first input module and the second input module, so as to automatically send out sound and light prompts, namely, an obstacle avoidance automatic prompt and an automatic night light-up prompt, when an obstacle exists in a short distance or the environment is dim; and when the external environment is complex, the entering is particularly dark, or the light change is large, the communication signal is automatically sent, and the communication connection with the remote terminal is established.
In one embodiment, the control module transmits a signal for turning on the buzzer to the first transmission module and transmits a signal for turning on the warning light to the second output module when the photoresistor resistance signal transmitted by the first input module is greater than a first preset value or the obstacle distance information signal transmitted by the second input module is less than a second preset value; and when the photoresistance resistance signal transmitted by the first input module is larger than a third preset value and the signal of the obstacle distance information transmitted by the second input module is smaller than a second preset value, or when the difference value of the photoresistance resistance signal transmitted by the first input module is larger than a fourth preset value, the control module further transmits a signal for establishing communication connection between the communication component 7 and the remote terminal 9 to the second output module.
In this embodiment, the photoresistor resistance signal is an analog read value (photoresistor in photo resistive pin), that is, a ratio of the photoresistor to the 10K ohm resistance, a typical read analog value in the daytime or in the room with light is 100-: the difference value between the average value of the photoresistor signal reading analog values in the first second and the average value of the photoresistor signal reading analog values in the second; the first preset value may be set to 250, 260, 270, etc.; the second preset value may be set to 90cm, 100cm, 110cm, etc.; the third preset value is generally larger than the first preset value and can be set to be 500, 600 or 650; the fourth preset value may be set to 150, 180, 200, etc.
For example, a photoresistor model 5506, 5MM in diameter, may be used, with the parameters:
wherein, the maximum power loss is the maximum power with the environment temperature of 25 ℃, the maximum applied voltage is the maximum voltage continuously applied to the element in the dark, and the bright resistance is irradiated by 400-600Lux light for 2 hours and then measured by 10Lux light under a standard light source A (color temperature 2856K); the dark resistance is the resistance value at 10 seconds after the 10Lux illumination was turned off.
When the reading analog value transmitted by the acoustic sensitive resistor 5-2 is larger than 250 or the distance of the obstacle distance information transmitted by the ultrasonic ranging component 3 is smaller than 1 m, transmitting a signal for starting the buzzer 6-1 through the first transmission module, and starting the buzzer 6-1 to send out a prompt sound; the second transmission module is used for transmitting a signal for turning on the prompting lamp 6-2 and turning on the prompting lamp 6-2, wherein the prompting lamps 6-2 can be a plurality of and can be blinked to prompt surrounding people to pay attention to avoiding; and when the read analog value transmitted by the photoresistor 5-2 is greater than 250, transmitting a signal for turning on the prompting lamp through the second transmission module.
And under the condition that the photoresistor resistance signal transmitted by the first input module is more than 500 and the obstacle distance information signal transmitted by the second input module is less than 1 meter, the control module transmits a signal for establishing communication connection between the communication module and the remote terminal to the second output module in addition to the transmission of the acousto-optic information.
Under the condition that the difference value of the photoresistor resistance signals transmitted by the first input module is larger than 150, the situation that a large light and shade change exists in the environment and the blind person cannot perceive the light and shade change can be shown, so that signals for establishing communication connection between the communication component 7 and the remote terminal 9 are transmitted to the second output module through the control module, communication is actively established except for acousto-optic prompt, and help is requested.
The utility model carries out comprehensive analysis through the brightness degree of the external environment, the sound state and the distance of the barrier, sends prompt signals with different degrees according to different conditions, and sends a sound starting signal to the buzzer to prompt the avoidance of the barrier when the external environment is brighter and the barrier appears within the range of 1 m in front; under the condition of dark light or noisy sound, a prompt lamp flashing signal can be sent; actively prompting surrounding people to avoid the blind person and reminding the surrounding people to pay attention to avoiding; when two conditions of light, sound and obstacles exceed set values, a distress grade signal is sent, the communication component 7 is started, communication with the remote terminal 9 is established, a telephone bound with the communication component 7 is automatically called, and help of a related person is actively requested.
In one embodiment, the control module in the processor assembly 2 may also control the alert signal output in conjunction with the acoustic photoresistor signals, the photoresistor signals, and the obstacle distance information signals.
In this embodiment, the current noise level can be determined according to the signal sent by the sound-sensitive resistor, a critical value is set in the processor component 2, and the output signal is determined according to the resistance value sent by the sound-sensitive resistor 5-1 and the size of the set critical value; for example, at least two critical values can be set, wherein the first critical value is one decibel times that the noise is greater than the sound of the normal environment, the second critical value is three decibels times that the noise is greater than the sound of the normal environment, and when the received sound sensitive resistor is one decibel times that of the resistance value corresponding to the sound of the set normal environment, a signal for turning on the prompting lamp is sent; then when the received sound sensitive resistor is three times larger than the resistance value corresponding to the preset normal environment sound decibel, the signal for starting the prompting lamp 6-2 is sent, and simultaneously, the signal for establishing the communication between the communication component 7 and the remote terminal 9 is sent.
In one embodiment, the indicator light 6-2 is provided as a matrix light or a light strip, the matrix light being provided in one or more of a triangular shape, a circular shape, a square shape and an S shape. Wherein the shape of matrix lamp or lamp area can set up wantonly as required.
In one embodiment, the device further comprises a timing device electrically connected to the power supply module 1 and the processor module 2, wherein the processor module 2 calculates a duration of time for which the output signals of the ultrasonic ranging module 4 and the acousto-optic sensor 5 exceed a set value according to a time signal transmitted by the timing device, and outputs a warning signal according to the duration of time.
For example, when the distance of the obstacle transmitted by the ultrasonic ranging component 4 lasts for 3 minutes and is within 1 meter, or when the obstacle is in the dark and is longer than the set duration of time, a warning signal is output, wherein the warning signal may be communication with a remote terminal, or sound adjustment of a buzzer, or color change of a prompt lamp, and the like, and the specific representation form is not limited.
As another aspect of the present invention, the present embodiment further provides a walking stick, which includes the intelligent blind guiding device as described in any one of the above embodiments.
As another aspect of the present invention, the present embodiment further provides a helmet, which includes the intelligent blind guiding device as described in any one of the above embodiments.
The utility model discloses a lead blind device can use and lead blind walking stick, also can use other wearing equipment, like helmet, bracelet etc..
Of course, the present invention has other alternative technical solutions, and any improvements made without departing from the spirit of the present invention all fall within the protection scope of the present invention.
Claims (9)
1. An intelligent blind guiding device is characterized by comprising a power supply assembly and a processor assembly electrically connected with the power supply assembly, wherein the power supply assembly and the processor assembly are also electrically connected with a positioning assembly, an ultrasonic distance measuring assembly, an acousto-optic sensor, an acousto-optic warning assembly, a communication assembly and an operation key respectively; the processor assembly sends the positioning information in the positioning assembly to the remote terminal through the communication assembly, the processor assembly controls the communication assembly to establish communication connection with the remote terminal according to signals of the operation keys, and the processor assembly controls the acousto-optic warning assembly through signals of the acousto-optic sensor and/or the ultrasonic ranging assembly.
2. The intelligent blind guiding device of claim 1, wherein the ultrasonic ranging assembly comprises a transmitting ultrasonic probe and a receiving ultrasonic probe, a sound production control signal input end of the transmitting ultrasonic probe is connected with a distance detection control signal output end of the processor assembly, and a feedback signal output end of the receiving ultrasonic probe is connected with a distance detection signal input end of the processor assembly.
3. The intelligent blind guide apparatus of claim 1, wherein the ultrasonic ranging assembly comprises at least a first ultrasonic ranging assembly, a second ultrasonic ranging assembly, a third ultrasonic ranging assembly; first ultrasonic ranging subassembly is fixed lead the dead ahead of blind device, the second ultrasonic ranging subassembly is fixed lead the left place ahead of blind device, the third ultrasonic ranging subassembly is fixed lead the right front of blind device, the fixed position connecting wire of first ultrasonic ranging subassembly, second ultrasonic ranging subassembly, third ultrasonic ranging subassembly constitutes triangle-shaped, first ultrasonic ranging subassembly, second ultrasonic ranging subassembly, third ultrasonic ranging subassembly and treater subassembly parallel connection.
4. The intelligent blind guiding device as claimed in claim 1, wherein the acousto-optic sensor comprises an acoustic and/or photo resistor; the acousto-optic warning component comprises a buzzer and a prompt lamp.
5. The intelligent blind guide apparatus of claim 4, wherein the processor component comprises:
the first input module is used for acquiring a resistance signal transmitted by the photoresistor;
the second input module is used for acquiring a signal of the obstacle distance information transmitted by the ultrasonic ranging assembly;
the control module is used for controlling the output of the prompt signal according to the photoresistor signal and the obstacle distance information signal;
the first output module is used for transmitting a switching signal of the buzzer;
the second output module is used for transmitting a switching signal of the prompting lamp;
and the third output module is used for transmitting the communication connection signal between the communication module and the remote terminal.
6. The intelligent blind guiding device as claimed in claim 5, wherein the control module transmits a signal for turning on the buzzer to the first transmission module and transmits a signal for turning on the warning light to the second output module in case that the photoresistor resistance signal transmitted by the first input module is greater than a first preset value or the signal of the obstacle distance information transmitted by the second input module is less than a second preset value; and the control module is used for transmitting a signal for establishing communication connection between the communication module and the remote terminal to the second output module under the conditions that the photoresistance signal transmitted by the first input module is greater than a third preset value and the signal of the obstacle distance information transmitted by the second input module is smaller than a second preset value, or the difference value of the photoresistance signal transmitted by the first input module is greater than a fourth preset value.
7. The intelligent blind guiding device of claim 4, wherein the indicator light is arranged as a matrix light or a light strip, and the matrix light is arranged as one or more of a triangle, a circle, a square and an S shape.
8. The intelligent blind guiding device as claimed in claim 1, further comprising a timing device electrically connected to the power supply module and the processor module, wherein the processor module calculates a duration of time that the ultrasonic distance measuring module and the acousto-optic sensor output signal exceed a set value according to a time signal transmitted by the timing device, and outputs a warning signal according to the duration of time.
9. A crutch comprising the intelligent blind guide apparatus of any of claims 1-8.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201920045182.2U CN210301661U (en) | 2019-01-11 | 2019-01-11 | Intelligent blind guiding device, walking stick and helmet |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201920045182.2U CN210301661U (en) | 2019-01-11 | 2019-01-11 | Intelligent blind guiding device, walking stick and helmet |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113009460A (en) * | 2021-02-22 | 2021-06-22 | 浙江机电职业技术学院 | Safe sonar ranging device and system for night driving |
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2019
- 2019-01-11 CN CN201920045182.2U patent/CN210301661U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113009460A (en) * | 2021-02-22 | 2021-06-22 | 浙江机电职业技术学院 | Safe sonar ranging device and system for night driving |
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