Blind guiding device

By combining infrared sensors, laser speckle imaging systems, and voice assistants, the problem of existing guide devices being unable to alert passersby has been solved, achieving a safer guide effect and enhancing the safety and environmental awareness of blind people when traveling.

CN223555071UActive Publication Date: 2025-11-18SOUTH CHINA UNIV OF TECH
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Patent Information

Application Number
CN202422601680.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-28
Publication Date
2025-11-18
Estimated Expiration
2034-10-28

AI Technical Summary

Technical Problem

Existing intelligent guide devices can only prompt users to avoid obstacles, but cannot alert passersby, resulting in insufficient safety in guiding the blind.

Method used

Employing detection and feedback equipment and an intelligent voice assistant, the system detects road conditions using infrared sensors and a laser speckle imaging system, provides feedback information from vibration devices, and alerts pedestrians through ground projection and speakers, while also offering voice navigation and environmental prompts.

Benefits of technology

It provides multi-angle alerts to users and passersby, improving the safety and effectiveness of guide vehicles, especially performing better in complex environments.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to a blind guiding device which comprises a detection feedback device and an intelligent voice assistant. The detection feedback equipment is provided with a first switch, a ground projection, an infrared sensor, a laser speckle imaging system, a vibration device and a first clamp used for being clamped on a shoe; the first switch is used for starting the detection feedback equipment; the ground projection is used for projecting to the ground to remind passers-by to pay attention; the infrared sensor is used for detecting the road condition ahead; the laser speckle imaging system is used for detecting a pavement material; the vibration device is used for carrying out vibration feedback according to the detected front road condition and the road surface material; the intelligent voice assistant is provided with a second switch, a loudspeaker, a microphone and a second clip used for being clamped on the clothes. The second switch is used for turning on the intelligent voice assistant; the microphone is used for receiving sound, and the loudspeaker is used for sounding the sound received by the microphone. According to the utility model, a user and a passerby are simultaneously reminded through multiple angles, so that a safer blind guiding effect is realized.
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Description

TECHNICAL FIELD

[0001] The utility model relates to blind guiding device technical field, concretely is a blind guiding device. BACKGROUND

[0002] The visually impaired face many challenges in daily life, especially in navigation and obstacle avoidance during travel.

[0003] The traditional blind stick is the most common assistive tool, which helps the blind detect the environment in front by physically contacting the ground and obstacles. However, the effective range of the blind stick is limited, and it cannot detect high obstacles or complex road conditions, so its application is limited in modern urban environments. In recent years, with the development of technology, intelligent blind guiding devices have gradually emerged, aiming to provide more efficient assistance for the visually impaired.

[0004] The prior art discloses a wearable intelligent voice blind guiding device based on ultrasonic ranging calculation, which judges the type of obstacles through ultrasonic ranging calculation and comparison with pre-stored obstacle characteristics, and generates diversified warning information or sound effects through a loudspeaker according to the type of obstacles, prompting the user to detour or cross the obstacle, which can provide the user with better situational awareness.

[0005] The existing technology has the following technical problems:

[0006] The blind guiding function is relatively single, and only the user can be prompted to avoid obstacles, without necessary reminders to pedestrians, making it difficult to achieve safer blind guiding effect. UTILITY MODEL CONTENT

[0007] In view of the problems in the prior art, the purpose of the utility model is to provide a blind guiding device that can remind both the user and pedestrians at the same time, achieving a safer blind guiding effect.

[0008] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0009] A blind guiding device includes a detection feedback device and an intelligent voice assistant.

[0010] The detection feedback device is provided with a first switch, a ground projection, an infrared sensor, a laser speckle imaging system, a vibration device, and a first clamp for clamping on the shoe.

[0011] The first switch is used to turn on the detection feedback device.

[0012] The ground projection is used to project onto the ground to remind pedestrians to pay attention.

[0013] The infrared sensor is used to detect the road conditions in front.

[0014] The laser speckle imaging system is used to detect the road surface material.

[0015] The vibration device is used for vibration feedback according to the detected road conditions and road surface materials in front;

[0016] The intelligent voice assistant is provided with a second switch, a loudspeaker, a microphone and a second clip for clamping on clothes;

[0017] The second switch is used for starting the intelligent voice assistant;

[0018] The microphone is used for sound receiving, and the loudspeaker is used for sound emitting for the sound receiving of the microphone.

[0019] Further, the wireless charging plate is further included, and the detection feedback device and the intelligent voice assistant are charged through the wireless charging plate.

[0020] Further, the detection feedback device and the intelligent voice assistant are provided with electromagnetic coils, and the detection feedback device and the intelligent voice assistant are charged through the electromagnetic coils and are adsorbed on the wireless charging plate.

[0021] Further, the wireless charging plate is provided with a charging indicator light.

[0022] Further, the wireless charging plate is provided with a heat dissipation hole.

[0023] Further, the intelligent voice assistant is wirelessly connected to the ground projection, and is used for starting the ground projection through the intelligent voice assistant.

[0024] Further, the detection feedback device is provided with a sealing strip for waterproofing.

[0025] Further, the detection feedback device is provided with two, and is used for clamping on the left and right shoes of a user respectively.

[0026] Further, the first switch is provided with a blind auxiliary distinguishing structure.

[0027] Further, the blind auxiliary distinguishing structure is a convex braille point.

[0028] Overall, the utility model has the following advantages:

[0029] In use, the detection feedback device is clamped on the shoes by the first clamp, and the smart voice assistant is clamped on the clothes by the second clamp. The blind person presses the first switch to start the detection feedback device, the detection feedback device detects the road conditions in front by using the infrared sensor, and detects the road surface material by using the laser speckle imaging system, and the vibration device vibrates according to the detected road conditions and road surface material, which can remind the blind person to avoid obstacles accordingly. At the same time, the ground projection can be started, which can remind the passerby from the visual stimulation angle; the blind person can also press the second switch to start the smart voice assistant, and the voice broadcast is carried out through the microphone and the loudspeaker, which can remind the passerby from the auditory stimulation angle, and the loudspeaker can remind the blind person to pay attention to the route change in front during the voice navigation. The detection feedback device detects the road conditions in front and the road surface material through multiple ways, and vibrates through the vibration device, and reminds the user and the passerby at the same time through multiple angles, so that the blind guiding effect is safer. BRIEF DESCRIPTION OF DRAWINGS

[0030] Figure 1 It is a structural schematic view of the embodiment.

[0031] Figure 2 It is a structural schematic view of the detection feedback device.

[0032] Figure 3 It is a structural schematic view of the smart voice assistant.

[0033] Figure 4 It is a schematic view of the detection feedback device clamped on the shoes.

[0034] In the figure:

[0035] 1-detection feedback device, 2-first shell, 3-first switch, 4-first clamp, 5-ground projection, 6-sealing strip, 7-electromagnetic coil, 8-infrared sensor, 9-second clamp, 10-laser speckle imaging system, 11-second circuit board, 12-first battery, 13-first circuit board, 14-vibration device, 15-smart voice assistant, 16-loudspeaker, 17-microphone, 18-second switch, 19-second shell, 20-wireless charging plate, 21-heat dissipation hole, 22-second battery, 23-indicator light. DETAILED DESCRIPTION

[0036] The utility model will be further explained in detail below.

[0037] As shown in Figures 1-4 A blind guiding device, which is a wearable device, comprises two detection feedback devices 1, a smart voice assistant 15 and a wireless charging plate 20.

[0038] The detection feedback device 1 and the intelligent voice assistant 15 are each provided with an electromagnetic coil 7, and can be adsorbed on the wireless charging plate 20 to be charged through the electromagnetic coil 7. When the detection feedback device 1 and the intelligent voice assistant 15 are charged, the indicator light 23 on the wireless charging plate 20 is turned on, and heat dissipation is performed through the heat dissipation hole 21.

[0039] The detection feedback device 1 is provided with a first shell 2 on each side, and the detection feedback device 1 is provided with a first clamp 4 which is buckled on the first shell 2. The two detection feedback devices 1 can be clamped on the shoes of the blind person through the first clamp 4 respectively.

[0040] Each detection feedback device 1 is provided with a first switch 3, a ground projection 5, an infrared sensor 8, a laser speckle imaging system 10, a vibration device 14, a first circuit board 13 and a first battery 12 for power supply.

[0041] The blind person can turn on the detection feedback device 1 by long pressing the first switch 3. The first switch 3 has a raised Braille point to help the blind person distinguish the left and right devices.

[0042] The sealing strip 6 is arranged between the first switch 3 and the first shell 2, has strong waterproof performance, and can ensure that the detection feedback device 1 will not be wet when the blind person goes out in the rain, improving the safety of the device.

[0043] In use, the detection feedback device 1 is clamped on the outside of the shoe through the first clamp 4 after being turned on. The detection feedback device 1 detects the road conditions in front through the infrared sensor 8 in the process of walking of the blind person, and detects the road surface material and situation through the laser speckle imaging system 10, then uploads the detected data to the platform for road condition analysis, and performs vibration feedback through the vibration device 14 to remind the blind person to pay attention.

[0044] The intelligent voice assistant 15 is provided with a second shell 19 on each side, and is clamped on the clothes of the blind person through a second clamp 9. The intelligent voice assistant 15 is provided with a second switch 18, a second circuit board 11 and a second battery 22 for power supply. The blind person can turn on the intelligent voice assistant 15 by long pressing the second switch 18.

[0045] The blind person can turn on the ground projection 5 through the intelligent voice assistant 15, and the ground projection 5 projects a moving light spot on the road surface in front of the blind person to remind pedestrians to pay attention to collision from the perspective of visual stimulation.

[0046] The blind person can also receive sound through the microphone 17, and then make a sound through the loudspeaker 16 to remind pedestrians to pay attention to collision from the perspective of auditory stimulation, and remind the blind person to pay attention to the changes in the front route in the process of voice navigation, such as reminding the blind person to prepare to turn a corner in front of them, etc.

[0047] The blind guiding device is provided with an intelligent voice assistant 15, supports user voice instructions, can provide voice navigation, environmental information prompting and voice interaction functions, can generate navigation and environmental prompting in real time, improves interaction experience, through fusing an infrared sensor and a laser speckle imaging system 10, provides all-around environmental sensing capability, improves detection precision and range, and especially performs better in a complex environment.

[0048] The above embodiment is a preferred embodiment of the utility model, but the embodiment of the utility model is not limited by the above embodiment, and any change, modification, replacement, combination, simplification, which does not deviate from the spirit and principle of the utility model, should be an equivalent replacement mode, and all are contained in the protection scope of the utility model.

Claims

1. A guide dog device characterized by comprising: The device comprises a detection feedback device and an intelligent voice assistant; The detection feedback device is provided with a first switch, a ground projection, an infrared sensor, a laser speckle imaging system, a vibration device and a first clamp for clamping on a shoe; The first switch is used to turn on the detection feedback device; The ground projection is used to project on the ground to remind pedestrians; The infrared sensor is used to detect the road conditions in front; The laser speckle imaging system is used to detect the road surface material; The vibration device is used to provide vibration feedback according to the detected road conditions and road surface material in front; The intelligent voice assistant is provided with a second switch, a speaker, a microphone and a second clamp for clamping on a clothes; The second switch is used to turn on the intelligent voice assistant; The microphone is used to receive sound and the speaker is used to sound the sound received by the microphone.

2. The blind guiding device according to claim 1, characterized in that: The device further comprises a wireless charging board, and the detection feedback device and the intelligent voice assistant are both charged through the wireless charging board.

3. A guide dog device according to claim 2, characterized in that: Both the detection feedback device and the intelligent voice assistant are provided with an electromagnetic coil, and the detection feedback device and the intelligent voice assistant are both adsorbed on the wireless charging board through the electromagnetic coil for charging.

4. The blind guiding device according to claim 2, characterized in that: The wireless charging board is provided with a charging indicator light.

5. The blind guiding device according to claim 2, characterized in that: The wireless charging board is provided with a heat dissipation hole.

6. The blind guiding device according to claim 1, characterized in that: The intelligent voice assistant is wirelessly connected to the ground projection, and is used to turn on the ground projection through the intelligent voice assistant.

7. The blind guiding device according to claim 1, characterized in that: The detection feedback device is provided with a sealing strip for waterproofing.

8. The blind guiding device according to claim 1, characterized in that: The detection feedback device is provided with two, which are used to clamp on the left and right shoes of a user respectively.

9. The blind guiding device according to claim 1, characterized in that: The first switch is provided with a blind person auxiliary distinguishing structure.

10. The blind guiding device according to claim 9, characterized in that: The blind person auxiliary distinguishing structure is a raised Braille point.