Variable-frequency obstacle avoidance waistband convenient to wear for blind person

By introducing telescopic and warning units into obstacle avoidance devices for the blind, and combining ultrasonic ranging and touch reminders, the problem of poor sound warning effects of obstacle avoidance devices for the blind in noisy environments has been solved, achieving more efficient obstacle avoidance reminders.

CN224099555UActive Publication Date: 2026-04-10周永吉
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
周永吉
Filing Date
2025-01-08
Publication Date
2026-04-10

AI Technical Summary

Technical Problem

Existing obstacle avoidance devices for the blind are ineffective in noisy, crowded areas due to their reliance on sound warnings, failing to effectively alert blind people to avoid obstacles.

Method used

A variable frequency obstacle avoidance belt comprising a telescopic unit, a warning unit, and an integrated unit was designed. It uses an ultrasonic ranging module to detect obstacles and achieves touch warning through the cooperation of an electric telescopic rod driving a cam and a vibrating component.

Benefits of technology

It improves the safety of blind people traveling in noisy environments, ensuring that blind people can avoid obstacles in time, and avoids the inadequacy of simple sound warnings.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a frequency conversion obstacle avoidance waistband convenient to wear for blind people, which relates to a frequency conversion obstacle avoidance waistband, and comprises a main body unit, a wearing unit arranged at the side part of the main body unit, a warning unit arranged in the main body unit, a telescopic unit and an integrated unit, and the integrated unit is positioned below the warning unit; the telescopic unit comprises an integrated groove and a warning groove which are formed in the main body unit, an electric telescopic rod installed on the side wall of the integrated groove, and a connecting base installed at the telescopic end of the electric telescopic rod. According to the variable-frequency obstacle avoidance waistband convenient to wear for the blind person, through the arrangement of the telescopic unit and the warning unit, the situation that when many people are noisy, the blind person cannot be well reminded and warned only through warning sound is avoided, and the travel safety of the blind person is improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to a frequency conversion obstacle avoidance waistband, especially to a frequency conversion obstacle avoidance waistband convenient to wear for blind people. BACKGROUND

[0002] With the development of society, the life of blind people begins to be widely concerned by people, in the life of blind people, blind people obstacle avoidance has been a difficult problem to solve, in recent years, there are more intelligent auxiliary blind people obstacle avoidance wearable devices.

[0003] Through the search in the public (announcement) no.: CN207101488U, the blind person obstacle avoidance device for assisting blind people to walk is disclosed, the left and right ends of the waistband body are symmetrically provided with waistband buckles, a radar ranging module is arranged on the waistband body, a circuit board is arranged in the inside of the waistband body, a voice module and a switch are arranged on the outside of the waistband body, a fixing device and a USB interface module are arranged on the waistband body, and the radar ranging module, the voice module, the USB interface module and the switch are electrically connected with the circuit board. The utility model discloses a blind person obstacle avoidance device worn on the body of blind people, liberates the hands, makes blind people travel convenient and safe, not only can avoid obstacles for blind people, but also can listen to radio, broadcast and music.

[0004] The above scheme liberates the hands, makes blind people travel convenient and safe, but in the crowded and noisy area, only relying on sound to warn blind people, the avoidance prompt effect is poor, therefore, we provide a frequency conversion obstacle avoidance waistband convenient to wear for blind people. UTILITY MODEL CONTENTS

[0005] The utility model discloses a frequency conversion obstacle avoidance waistband convenient to wear for blind people, which solves the problem of poor avoidance prompt effect by only relying on sound to warn blind people through the setting of the telescopic unit and the warning unit.

[0006] To achieve the above object, the utility model provides the following technical scheme:

[0007] A frequency conversion obstacle avoidance waistband convenient to wear for blind people, which includes a main body unit, a wearing unit arranged on the side of the main body unit, a warning unit arranged in the inside of the main body unit, a telescopic unit and an integrated unit, and the integrated unit is located below the warning unit.

[0008] The telescopic unit includes an integrated slot and a warning slot opened in the inside of the main body unit, an electric telescopic rod installed on the side wall of the integrated slot, and a connecting seat installed on the telescopic end of the electric telescopic rod.

[0009] The warning unit comprises a U-shaped seat mounted at the telescopic end of the electric telescopic rod, a rotating shaft movably arranged in the U-shaped seat, a cam mounted at the side wall of the rotating shaft, a driving motor mounted at the input end of the rotating shaft, and a vibrating member arranged in the warning groove.

[0010] Preferably, the main unit comprises a waistband body, and a voice module mounted on the waistband body.

[0011] Preferably, the wearing unit comprises a first binding belt mounted at the side wall of the waistband body, a second binding belt mounted at the other side wall of the waistband body, and an adhesive member arranged between the first binding belt and the second binding belt.

[0012] Preferably, the adhesive member comprises a Velcro A surface mounted at the inner side wall of the first binding belt, and a Velcro B surface mounted at the outer side wall of the second binding belt.

[0013] Preferably, the vibrating member comprises a return spring mounted at the side wall of the warning groove, a receiving seat mounted at the end of the return spring, a touch rod mounted at the side wall adjacent to the receiving seat and the waistband body, and a receiving rod mounted at the side wall opposite to the receiving seat and the touch rod and extending into the integrated groove.

[0014] Preferably, the overall structure of the cam and the vibrating member comprises a plurality of groups, and the overall structure of the plurality of groups of the cam and the vibrating member is arranged in a linear array.

[0015] Preferably, the integrated unit comprises an ultrasonic ranging module mounted at the side wall of the integrated groove, a power module mounted at the bottom wall of the integrated groove and in communication with the ultrasonic ranging module, and a micro control unit mounted at the warning groove and in communication with the power module.

[0016] Compared with the prior art, the utility model has the advantages of:

[0017] In the utility model, when wearing is needed, the waistband body is pasted on the abdomen of the blind person, the first binding belt and the second binding belt are respectively passed from the left and right sides of the waist of the blind person, the Velcro A surface and the Velcro B surface are engaged, and the waistband body is stopped tightly on the abdomen of the blind person, so that convenient wearing of the frequency conversion obstacle avoidance waistband is realized. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is a three-dimensional structure schematic view of the utility model.

[0019] Figure 2 It is the rear view structure schematic view of the utility model;

[0020] Figure 3 It is the utility model Figure 2 The section structure schematic view of A-A;

[0021] Figure 4 It is the utility model Figure 3 The structure amplification schematic view of I;

[0022] Figure 5 It is the utility model Figure 3 The section structure schematic view of B-B.

[0023] In the figure:

[0024] 1, main unit;101, waistband body;102, voice module;

[0025] 2, wearing unit;201, first restraint belt;202, second restraint belt;203, adhesive;2031, magic tape A side;2032, magic tape B side;

[0026] 3, warning unit;301, U-shaped seat;302, rotating shaft;303, cam;304, drive motor;305, vibration piece;3051, return spring;3052, receiving seat;3053, touch rod;3054, receiving rod;

[0027] 4, telescopic unit;401, electric telescopic rod;402, connecting seat;

[0028] 5, integrated unit;501, ultrasonic ranging module;502, power module;503, micro control unit. DETAILED DESCRIPTION

[0029] In order to make the technical means, creation features, purposes and effects realized by the utility model easy to understand, the utility model is further described below in combination with specific embodiments. EMBODIMENT

[0030] As Figure 1 , Figure 2 , Figure 3 , Figure 4 And Figure 5 A variable frequency obstacle avoidance waistband convenient to wear for blind people, comprising a main unit 1, further comprising a wearing unit 2 arranged on the side of the main unit 1, a warning unit 3 arranged in the interior of the main unit 1, a telescopic unit 4 and an integrated unit 5, and the integrated unit 5 is located below the warning unit 3.

[0031] As Figure 3As shown, the telescopic unit 4 comprises an integrated slot and a warning slot opened in the main body unit 1, an electric telescopic rod 401 installed on the side wall of the integrated slot, and a connecting seat 402 installed on the telescopic end of the electric telescopic rod 401, and when the electric telescopic rod 401 is extended, the connecting seat 402 can be driven to reciprocate;

[0032] As shown in Figure 5 The warning unit 3 comprises a U-shaped seat 301 installed on the telescopic end of the electric telescopic rod 401, a rotating shaft 302 movably arranged in the U-shaped seat 301, a cam 303 installed on the side wall of the rotating shaft 302, a driving motor 304 installed on the input end of the rotating shaft 302, and a vibrating member 305 arranged in the warning slot, and when the driving motor 304 drives the rotating shaft 302 to rotate, the cam 303 can be driven to rotate synchronously.

[0033] As shown in Figure 1 The main body unit 1 comprises a waistband body 101 and a voice module 102 installed on the waistband body 101, and the voice module 102 can alert the blind wearer through voice.

[0034] As shown in Figure 2 The wearing unit 2 comprises a first binding belt 201 installed on the side wall of the waistband body 101, a second binding belt 202 installed on the other side wall of the waistband body 101, and an adhesive member 203 arranged between the first binding belt 201 and the second binding belt 202, and the adhesive member 203 can combine and fix the first binding belt 201 and the second binding belt 202.

[0035] As shown in Figure 1 The adhesive member 203 comprises a magic tape A surface 2031 installed on the inner side wall of the first binding belt 201 and a magic tape B surface 2032 installed on the outer side wall of the second binding belt 202, and after the magic tape A surface 2031 and the magic tape B surface 2032 are combined, the waistband body 101 can be tightly attached to the abdomen of the blind person.

[0036] As shown in Figure 3 And Figure 5 The overall structure of the cam 303 and the vibrating member 305 comprises several groups, and the overall structure of the several groups of cams 303 and vibrating members 305 is linearly arranged, so that the touching reminder for the blind person is more uniform.

[0037] As shown in Figure 3As shown, the integrated unit 5 includes an ultrasonic ranging module 501 mounted on the side wall of the integrated groove, a power module 502 mounted on the bottom wall of the integrated groove and in communication with the ultrasonic ranging module 501, and a micro control unit 503 mounted in the warning groove and in communication with the power module 502. The ultrasonic ranging module 501 can send ultrasonic waves to the obstacles in front of the pedestrian, and the reflected sound waves can be reflected after hitting the obstacles, thereby achieving the ranging detection effect of the obstacles.

[0038] When it is necessary to wear, the waistband body 101 is attached to the abdomen of the blind person, the first binding belt 201 and the second binding belt 202 are respectively wound from the left and right sides of the waist of the blind person, the magic tape A surface 2031 is engaged with the magic tape B surface 2032, and the waistband body 101 is stopped tightly attached to the abdomen of the blind person, thereby realizing the convenient wearing of the variable frequency obstacle avoidance waistband. Embodiment

[0039] As shown in Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 , a variable frequency obstacle avoidance waistband for the blind person is convenient to wear, the main unit 1 further comprises a wearing unit 2 arranged on the side of the main unit 1, a warning unit 3 arranged in the main unit 1, a telescopic unit 4 and an integrated unit 5, and the integrated unit 5 is located below the warning unit 3;

[0040] As shown in Figure 3 , the telescopic unit 4 includes an integrated groove and a warning groove opened in the main unit 1, an electric telescopic rod 401 mounted on the side wall of the integrated groove, and a connecting seat 402 mounted on the telescopic end of the electric telescopic rod 401. When the electric telescopic rod 401 is extended, the connecting seat 402 can be driven to reciprocate.

[0041] As shown in Figure 5 , the warning unit 3 includes a U-shaped seat 301 mounted on the telescopic end of the electric telescopic rod 401, a rotating shaft 302 movably arranged in the U-shaped seat 301, a cam 303 mounted on the side wall of the rotating shaft 302, a driving motor 304 mounted on the input end of the rotating shaft 302, and a vibrating member 305 arranged in the warning groove. When the driving motor 304 drives the rotating shaft 302 to rotate, the cam 303 can be driven to rotate synchronously.

[0042] As shown in Figure 1 , the main unit 1 includes a waistband body 101 and a voice module 102 mounted on the waistband body 101. The voice module 102 can alert the blind wearer through voice.

[0043] As shown in Figure 2As shown, the wearing unit 2 includes a first restraint belt 201 mounted on the side wall of the waistband body 101, a second restraint belt 202 mounted on the other side wall of the waistband body 101, and an adhesive member 203 arranged between the first restraint belt 201 and the second restraint belt 202. The adhesive member 203 is arranged to engage and fix the first restraint belt 201 and the second restraint belt 202.

[0044] As shown, Figure 1 The adhesive member 203 includes a Velcro A surface 2031 mounted on the inner side wall of the first restraint belt 201 and a Velcro B surface 2032 mounted on the outer side wall of the second restraint belt 202. After the Velcro A surface 2031 and the Velcro B surface 2032 are combined, the waistband body 101 is tightly attached to the abdomen of the blind person.

[0045] As shown, Figure 4 The vibration member 305 includes a return spring 3051 mounted on the side wall of the warning groove, a receiving seat 3052 mounted on the end of the return spring 3051, a touch rod 3053 mounted on the adjacent side wall of the receiving seat 3052 and the waistband body 101, and a receiving rod 3054 mounted on the opposite side wall of the receiving seat 3052 and the touch rod 3053 and extending into the integrated groove. The arrangement of the return spring 3051 enables the receiving seat 3052 to drive the reciprocating movement of the touch rod 3053 more smoothly.

[0046] As shown, Figure 3 As shown, Figure 5 The overall structure of the cam 303 and the vibration member 305 has several groups, and the linear array of the overall structure of the several groups of the cam 303 and the vibration member 305 is arranged to make the touch reminder of the blind person more uniform.

[0047] As shown, Figure 3 The integrated unit 5 includes an ultrasonic ranging module 501 mounted on the side wall of the integrated groove, a power module 502 mounted on the bottom wall of the integrated groove and in communication with the ultrasonic ranging module 501, and a micro control unit 503 mounted on the warning groove and in communication with the power module 502. The arrangement of the ultrasonic ranging module 501 enables the ultrasonic ranging module 501 to send ultrasonic waves to the obstacles in front of the pedestrians, and the reflected sound waves after the ultrasonic waves hit the obstacles, thereby achieving the ranging detection effect of the obstacles.

[0048] When the surrounding sound is relatively noisy, and when there is an obstacle in front of the ultrasonic ranging module 501, the driving motor 304 drives the rotating shaft 302 to rotate, and the rotating shaft 302 drives the receiving rod 3054 to reciprocate through the cam 303, so that the touch rod 3053 constantly touches the abdomen of the blind person to remind them, thereby avoiding the situation that only relying on the warning sound cannot effectively remind the blind person when there are many people and the noise is loud.

[0049] The basic principle and main features of the present application and the advantages of the present application are shown and described above. Those skilled in the art should understand that the present application is not limited by the above examples, and the above examples and descriptions in the specification are only to illustrate the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the present application. The scope of protection of the present application is defined by the appended claims and their equivalents.

Claims

1. A blind person's variable frequency obstacle avoidance waist belt that is easy to wear, comprising a main unit (1), characterized in that, Further include a wearing unit (2) arranged on the side of the main unit (1), a warning unit (3) arranged in the main unit (1), a telescopic unit (4) and an integrated unit (5), and the integrated unit (5) is below the warning unit (3); The telescopic unit (4) comprises an integrated groove and a warning groove opened in the main unit (1), an electric telescopic rod (401) mounted on the side wall of the integrated groove, and a connecting seat (402) mounted on the telescopic end of the electric telescopic rod (401); The warning unit (3) comprises a U-shaped seat (301) mounted on the telescopic end of the electric telescopic rod (401), a rotating shaft (302) movably arranged in the U-shaped seat (301), a cam (303) mounted on the side wall of the rotating shaft (302), a driving motor (304) mounted on the input end of the rotating shaft (302), and a vibrating member (305) arranged in the warning groove.

2. The variable frequency obstacle avoidance waistband for the blind according to claim 1, characterized in that: The main unit (1) comprises a waistband body (101) and a voice module (102) mounted on the waistband body (101).

3. The variable frequency obstacle avoidance waistband for the blind according to claim 2, characterized in that: The wearing unit (2) comprises a first restraint band (201) mounted on the side wall of the waistband body (101), a second restraint band (202) mounted on the other side wall of the waistband body (101), and an adhesive member (203) arranged between the first restraint band (201) and the second restraint band (202).

4. The variable frequency obstacle avoidance waistband for the blind according to claim 3, characterized in that: The adhesive member (203) comprises a magic tape A surface (2031) mounted on the inner side wall of the first restraint band (201), and a magic tape B surface (2032) mounted on the outer side wall of the second restraint band (202).

5. The variable frequency obstacle avoidance waistband for the blind of claim 1, wherein: The vibrating member (305) comprises a return spring (3051) mounted on the side wall of the warning groove, a receiving seat (3052) mounted on the end of the return spring (3051), a touch rod (3053) mounted on the adjacent side wall of the receiving seat (3052) and the waistband body (101), and a receiving rod (3054) mounted on the opposite side wall of the receiving seat (3052) and the touch rod (3053) and extending into the integrated groove.

6. The variable frequency obstacle avoidance waistband for the blind according to claim 5, characterized in that: The overall structure of the cam (303) and the vibrating member (305) comprises several groups, and the overall structure of the several groups of the cam (303) and the vibrating member (305) is linearly arranged.

7. The variable frequency obstacle avoidance belt for the blind of claim 2, wherein: The integrated unit (5) comprises an ultrasonic ranging module (501) mounted on the side wall of the integrated groove, a power module (502) mounted on the bottom wall of the integrated groove and communicating with the ultrasonic ranging module (501), and a micro control unit (503) mounted in the warning groove and communicating with the power module (502).

Citation Information

Patent Citations

  • Blind person obstacle -avoiding device

    CN207101488U