Hearing aid testing device

Abstract

The utility model discloses a hearing aid testing device, which relates to the technical field of hearing aid testing and comprises an outer shell, one end of the outer shell is movably connected with a movable door, one side of the outer shell is fixedly provided with a control host, and a detection mechanism is arranged in the outer shell. The detection mechanism comprises a first loudspeaker, a second loudspeaker, a mounting seat, a movable frame, a rotating shaft and a mounting cover; in the technical scheme provided by the utility model, the detection mechanism is adopted, the first loudspeaker can be used for playing a human sound source needing to be converted by the hearing aid, the second loudspeaker can be used for simulating and playing interference sounds in different environments, and the sound receiving device arranged in the mounting cover can be used for receiving the sound source converted by the hearing aid. The rotating shaft rotates to drive the eccentric wheel to rotate, the eccentric wheel rotates to drive the movable frame to move upwards, and then the movable frame falls down under the action of gravity, so that the use effect of the hearing aid in a walking state is simulated, and the test result is more accurate and comprehensive.

Description

Technical Field

[0001] The utility model relates to the technical field of hearing aid testing, in particular to a hearing aid testing device. Background Art

[0002] A hearing aid is a small amplifier that amplifies sounds that are not normally heard, and then uses the residual hearing of the hearing-impaired person to send the sound to the auditory center of the brain, so that the sound can be felt. It brings great convenience to the hearing-impaired. Before the hearing aid is put into use, it is necessary to test the use effect of the hearing aid. At this time, a hearing aid testing device is needed.

[0003] When the traditional hearing aid testing device tests a hearing aid, it usually only tests whether the hearing aid can be used normally, and cannot test the use situation of the hearing aid under the interference of different environments. The test is not comprehensive enough. Summary of the Utility Model

[0004] The technical problem to be solved by the utility model is to overcome the deficiencies of the prior art and provide a hearing aid testing device to solve the problems that the prior art usually only tests whether the hearing aid can be used normally and cannot test the use situation of the hearing aid under the interference of different environments, and the test is not comprehensive enough.

[0005] In view of this, the utility model provides a hearing aid testing device, which includes an outer shell body. One end of the outer shell body is movably connected with a movable door. One side of the outer shell body is fixedly installed with a control host, and a detection mechanism is arranged inside the outer shell body;

[0006] The detection mechanism includes a first loudspeaker, a second loudspeaker, a mounting seat, a movable frame, a rotating shaft and a mounting cover. The first loudspeaker and the second loudspeaker are both installed inside the outer shell body. The mounting seat is fixedly installed on the inner wall of the outer shell body. An activity cavity is opened inside the mounting seat. The bottom of the movable frame is slidably connected inside the activity cavity. The rotating shaft is rotatably connected to the inner wall of the activity cavity. A plurality of eccentric wheels are fixedly installed on the side wall of the rotating shaft. The mounting cover is fixedly installed at the other end of the movable frame, and a sound receiving device is installed inside the mounting cover.

[0007] Optionally, there are four first loudspeakers. Three of the first loudspeakers are distributed on three sides of the inner wall of the outer shell body, and the other first loudspeaker is installed on one side of the movable door. Sound-absorbing cotton is fixedly installed on both the inner wall of the outer shell body and one side of the movable door.

[0008] Optionally, there are a plurality of second loudspeakers, and the plurality of second loudspeakers are respectively located at the corners of the inner wall of the outer shell body.

[0009] Optionally, an installation cavity is provided inside the installation base, a servo motor is fixedly installed on the inner wall of the installation cavity, and the rotating shaft is fixedly installed at the output end of the servo motor.

[0010] Optionally, a sound insulation cotton is fixedly installed on the inner wall of the installation cavity.

[0011] Optionally, a through hole communicating with the inside of the installation cover is provided at the top of the installation cover.

[0012] Optionally, a base is fixedly installed at the bottom of the movable frame, and a spring is fixedly installed between the top of the base and the inner wall of the movable cavity. The spring is located on the side wall of the movable frame.

[0013] Optionally, a display screen, a control panel, a central processing unit, and an AI analysis module are fixedly installed inside the control host. The display screen, the control panel, and the AI analysis module are all connected to the central processing unit through wires.

[0014] Optionally, the first speaker and the second speaker are both connected to the central processing unit through wires, and the sound receiving device is connected to the AI analysis module through a wire.

[0015] Optionally, a handle is fixedly installed on one side of the movable door, a lock catch is fixedly installed at one end of the movable door, and the movable door is snap-connected to the outer housing through the lock catch.

[0016] It can be seen from the above technical solutions that the embodiments of the present invention have the following advantages:

[0017] 1. A hearing aid testing device of the present invention adopts a detection mechanism. By setting the first speaker, it can be used to play the human voice source that needs to be converted by the hearing aid. By setting the second speaker, it can be used to simulate and play the interference sounds in different environments. By setting the sound receiving device inside the installation cover, it can be used to receive the sound source converted by the hearing aid. By rotating the rotating shaft, the eccentric wheel can be driven to rotate. By rotating the eccentric wheel, the movable frame can be driven to move upward. Then, the movable frame falls under the action of gravity, so as to simulate the use effect of the hearing aid in the walking state and make the test result more accurate and comprehensive.

[0018] 2. A hearing aid testing device of the present invention adopts the design of sound insulation cotton and sound absorption cotton. With such a design, the influence of external noise and echo can be reduced, and the test result is more accurate.

[0019] These features and advantages of the present invention will be disclosed in detail in the following specific embodiments and drawings. Description of the Drawings

[0020] The following further describes the present invention with reference to the drawings:

[0021] Figure 1 is a schematic structural diagram of the present utility model;

[0022] Figure 2 is a schematic diagram of the internal structure of the outer shell of the present utility model;

[0023] Figure 3 is a schematic cross-sectional structure diagram of the mounting seat of the present utility model;

[0024] Figure 4 is the present utility model Figure 3 a schematic enlarged structure diagram at position A in;

[0025] Figure 5 is a system diagram of the present utility model.

[0026] Explanation of reference numerals in the drawings: 1. Outer shell; 2. Movable door; 3. Lock; 4. Handle; 5. Control host; 6. Display screen; 7. Control panel; 8. Sound-absorbing cotton; 9. First speaker; 10. Second speaker; 11. Mounting seat; 12. Movable frame; 13. Movable cavity; 14. Base; 15. Spring; 16. Installation cavity; 17. Sound insulation cotton; 18. Servo motor; 19. Rotating shaft; 20. Eccentric wheel; 21. Mounting cover; 22. Through hole; 23. Sound receiving device; 24. Central processing unit; 25. AI analysis module. Specific embodiments

[0027] The technical solutions of the embodiments of the present utility model will be explained and described below with reference to the accompanying drawings of the embodiments of the present utility model. However, the following embodiments are only the preferred embodiments of the present utility model, not all of them. Based on the embodiments in the embodiments, other embodiments obtained by those skilled in the art without creative efforts all fall within the protection scope of the present utility model.

[0028] The following specifically describes a hearing aid testing device according to an embodiment of the present utility model with reference to the accompanying drawings.

[0029] Embodiment 1

[0030] For ease of understanding, please refer to Figures 1 to 5 , an embodiment of a hearing aid testing device provided by the present utility model, including an outer shell 1, a movable door 2 is movably connected to one end of the outer shell 1, a control host 5 is fixedly installed on one side of the outer shell 1, and a detection mechanism is arranged inside the outer shell 1;

[0031] The detection mechanism includes a first speaker 9, a second speaker 10, a mounting base 11, a movable frame 12, a rotating shaft 19, and a mounting cover 21. The first speaker 9 and the second speaker 10 are both installed inside the outer housing 1. The mounting base 11 is fixedly installed on the inner wall of the outer housing 1. An activity cavity 13 is opened inside the mounting base 11. The bottom of the movable frame 12 is slidably connected inside the activity cavity 13. The rotating shaft 19 is rotatably connected to the inner wall of the activity cavity 13. A plurality of eccentric wheels 20 are fixedly installed on the side wall of the rotating shaft 19. The mounting cover 21 is fixedly installed at the other end of the movable frame 12. A sound receiving device 23 is installed inside the mounting cover 21.

[0032] It should be noted that the first speaker 9 can be used to play the human voice source that needs to be converted by the hearing aid. The second speaker 10 can be used to simulate and play the interference sounds in different environments. The mounting cover 21 can be used to install the hearing aid to be tested on the mounting cover 21. The sound receiving device 23 installed inside the mounting cover 21 can be used to receive the sound source converted by the hearing aid. By setting the rotating shaft 19, the rotation of the rotating shaft 19 can drive the rotation of the eccentric wheel 20. The rotation of the eccentric wheel 20 can drive the movable frame 12 to move upward, and then the movable frame 12 falls under the action of gravity, so as to simulate the use effect of the hearing aid in the walking state and make the test results more accurate and comprehensive.

[0033] In some embodiments, as Figure 2 shown, there are four first speakers 9. Three of the first speakers 9 are distributed on three sides of the inner wall of the outer housing 1, and the other first speaker 9 is installed on one side of the movable door 2.

[0034] It should be noted that the first speaker 9 can be used to play the human voice source that needs to be converted by the hearing aid. By setting four first speakers 9, the effect of the human voice source coming out from different directions can be simulated.

[0035] In some embodiments, as Figure 2 shown, there are a plurality of second speakers 10. The plurality of second speakers 10 are respectively located at the corners of the inner wall of the outer housing 1.

[0036] It should be noted that the second speaker 10 can be used to simulate and play the interference sounds in different environments. By setting multiple ones, the environmental sounds are made more real.

[0037] In some embodiments, as Figure 3 shown, an installation cavity 16 is opened inside the mounting base 11. A servo motor 18 is fixedly installed on the inner wall of the installation cavity 16. The rotating shaft 19 is fixedly installed at the output end of the servo motor 18.

[0038] It should be noted that the servo motor 18 can be used to control the rotation of the rotating shaft 19, and the rotation of the rotating shaft 19 can drive the rotation of the eccentric wheel 20.

[0039] In some embodiments, as Figure 4 shown, a through hole 22 communicating with the inside of the mounting cover 21 is provided at the top of the mounting cover 21.

[0040] It should be noted that by providing the through hole 22, the output end of the tested hearing aid can be inserted into the inside of the mounting cover 21, so that the sound receiving device 23 inside the mounting cover 21 can receive sound more accurately.

[0041] In some embodiments, as Figure 3 shown, a base 14 is fixedly installed at the bottom of the movable frame 12, and a spring 15 is fixedly installed between the top of the base 14 and the inner wall of the movable cavity 13. The spring 15 is located on the side wall of the movable frame 12.

[0042] It should be noted that by providing the spring 15, the movable frame 12 can be pushed downward, so that after the eccentric wheel 20 lifts the movable frame 12, the movable frame 12 can be quickly reset.

[0043] In some embodiments, as Figure 5 shown, a display screen 6, a control panel 7, a central processing unit 24 and an AI analysis module 25 are fixedly installed inside the control host 5. The display screen 6, the control panel 7 and the AI analysis module 25 are all connected to the central processing unit 24 through wires. The first speaker 9 and the second speaker 10 are both connected to the central processing unit 24 through wires. The sound receiving device 23 is connected to the AI analysis module 25 through a wire.

[0044] It should be noted that by providing the control panel 7, the central processing unit 24 can be controlled. By providing the display screen 6, it can be used to display images. By providing the AI analysis module 25, the finished sound converted by the hearing aid received by the sound receiving device 23 can be analyzed, so as to analyze whether the hearing aid successfully converts the sound source played by the first speaker 9. The structure is displayed on the display screen 6 through the central processing unit 24 for convenient viewing of the detection results. The sound receiving device 23 can specifically be a microphone.

[0045] In some embodiments, as Figure 2 shown, a handle 4 is fixedly installed on one side of the movable door 2, a lock catch 3 is fixedly installed at one end of the movable door 2, and the movable door 2 is snap-connected to the outer housing 1 through the lock catch 3.

[0046] It should be noted that by providing the lock catch 3, the movable door 2 can be fixed on one side of the outer housing 1. By providing the handle 4, it is convenient to control the opening and closing of the movable door 2.

[0047] Embodiment 2

[0048] In some embodiments, as Figure 2 、 Figure 3As shown in the figure, a sound insulation cotton 17 is fixedly installed on the inner wall of the installation cavity 16, and sound absorption cotton 8 is fixedly installed on the inner wall of the outer shell 1 and one side of the movable door 2.

[0049] It should be noted that by setting the sound insulation cotton 17, the noise generated by the operation of the servo motor 18 inside the installation cavity 16 can be reduced from being transmitted out. By setting the sound absorption cotton 8, echoes generated inside the outer shell 1 can be avoided, thereby reducing the influence of external noise and echoes and making the test results more accurate.

[0050] In this utility model, the control host 5, the display screen 6, the control panel 7, the AI analysis module 25, the central processing unit 24, and the servo motor 18 are well-known components and will not be elaborated here.

[0051] Working principle: By setting the installation cover 21, the hearing aid to be tested can be installed on the installation cover 21. By setting the through hole 22, the output end of the tested hearing aid can be inserted into the interior of the installation cover 21. By setting the sound receiving device 23 inside the installation cover 21, it can be used to receive the sound source converted by the hearing aid. By setting the first speaker 9, it can be used to play the human voice sound source that needs to be converted by the hearing aid. By setting four first speakers 9, it can be used to simulate the effect of the human voice sound source coming out from different directions. By setting the second speaker 10, it can be used to simulate and play interference sounds in different environments. By setting the above-mentioned multiple components, the environmental sound can be made more realistic. The servo motor 18 can be used to control the rotation of the rotating shaft 19. By the rotation of the rotating shaft 19, the eccentric wheel 20 can be driven to rotate. By the rotation of the eccentric wheel 20, the movable frame 12 can be driven to move upward. By setting the spring 15, the movable frame 12 can be pushed downward, so that after the eccentric wheel 20 lifts the movable frame 12, the movable frame 12 can quickly reset. By setting the AI analysis module 25, the finished sound converted by the hearing aid received by the sound receiving device 23 can be analyzed, so as to analyze whether the hearing aid successfully converts the sound source played by the first speaker 9. The result is displayed on the display screen 6 through the central processing unit 24, which is convenient for viewing the detection result.

[0052] As mentioned above, the above embodiments are only used to illustrate the technical solutions of the present application, rather than to limit them; although the present application has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that: they can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements on some of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the various embodiments of the present application.

Claims

1. A hearing aid testing device, characterized in that: It comprises an outer shell (1), one end of the outer shell (1) is movably connected to a movable door (2), one side of the outer shell (1) is fixedly mounted with a control host (5), and a detection mechanism is arranged inside the outer shell (1); The detection mechanism comprises a first speaker (9), a second speaker (10), a mounting seat (11), a movable frame (12), a rotating shaft (19) and a mounting cover (21); the first speaker (9) and the second speaker (10) are both mounted inside the outer shell (1); the mounting seat (11) is fixedly mounted on the inner wall of the outer shell (1); an active cavity (13) is provided inside the mounting seat (11); the bottom of the movable frame (12) is slidably connected to the inside of the active cavity (13); the rotating shaft (19) is rotatably connected to the inner wall of the active cavity (13); a plurality of eccentric wheels (20) are fixedly mounted on the side wall of the rotating shaft (19); the mounting cover (21) is fixedly mounted on the other end of the movable frame (12); and a sound receiving device (23) is installed inside the mounting cover (21).

2. A hearing aid testing device according to claim 1, characterized in that: Four first speakers (9) are provided, of which three first speakers (9) are distributed on three sides of the inner wall of the outer shell (1), and another first speaker (9) is installed on one side of the movable door (2). Sound-absorbing cotton (8) is fixedly installed on the inner wall of the outer shell (1) and one side of the movable door (2).

3. The hearing aid testing device according to claim 1, characterized in that: A plurality of the second loudspeakers (10) are provided, and the plurality of the second loudspeakers (10) are respectively located at the corners of the inner wall of the outer shell (1).

4. The hearing aid testing device according to claim 1, characterized in that: An installation cavity (16) is provided inside the installation seat (11), a servo motor (18) is fixedly mounted on the inner wall of the installation cavity (16), and the rotating shaft (19) is fixedly mounted on the output end of the servo motor (18).

5. A hearing aid testing device according to claim 4, characterized in that: The inner wall of the installation cavity (16) is fixedly mounted with sound insulation cotton (17).

6. The hearing aid testing device according to claim 1, characterized in that: A through hole (22) communicating with the interior of the installation cover (21) is provided on the top of the installation cover (21).

7. The hearing aid testing device according to claim 1, characterized in that: A base (14) is fixedly mounted on the bottom of the movable frame (12), a spring (15) is fixedly mounted between the top of the base (14) and the inner wall of the movable cavity (13), and the spring (15) is located on the side wall of the movable frame (12).

8. The hearing aid testing device according to claim 1, characterized in that: A display screen (6), a control panel (7), a central processing unit (24) and an AI analysis module (25) are fixedly installed inside the control host (5). The display screen (6), the control panel (7) and the AI ​​analysis module (25) are all connected to the central processing unit (24) via wires.

9. A hearing aid testing device according to claim 8, characterized in that: The first loudspeaker (9) and the second loudspeaker (10) are both connected to the central processor (24) via wires, and the sound receiving device (23) is connected to the AI ​​analysis module (25) via wires.

10. The hearing aid testing device according to claim 1, characterized in that: A handle (4) is fixedly mounted on one side of the movable door (2), a lock buckle (3) is fixedly mounted on one end of the movable door (2), and the movable door (2) is snap-connected to the outer shell (1) via the lock buckle (3).

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