Headset acoustic jig with special-shaped exhaust port and audio test box

Abstract

An earphone acoustic jig with a special-shaped exhaust port comprises an acoustic jig body, the acoustic jig body is provided with a first jig connecting end and a second jig connecting end, and the first jig connecting end and the second jig connecting end are oppositely arranged on the two sides of the acoustic jig body; the first jig connecting end is provided with a first connecting hole, a special-shaped earphone sound production part on an earphone with a special-shaped exhaust port can be inserted into the first connecting hole, and the earphone exhaust port formed in the special-shaped earphone sound production part is sealed; and the second jig connecting end is provided with a second connecting hole, the second connecting hole is used for sealing connection of acoustic testing equipment, and the second connecting hole is communicated with the first connecting hole for sealing acoustic testing. According to the scheme, the connecting ends on the two sides of the acoustic jig adopt the structural design of interference connection, and the effects that the sealing performance of the acoustic jig is improved, the production cost of the acoustic jig is reduced, and the convenience and the success rate of audio testing are improved are achieved.

Description

Technical Field

[0001] The utility model belongs to the technical field of earphone audio testing, and in particular relates to an acoustic jig for earphones with a special-shaped exhaust port and an audio test box using the acoustic jig. Background Art

[0002] Headphones with special-shaped exhaust ports may face a series of challenges in audio testing, including the accuracy of frequency response, as their unique design may affect low-frequency performance and overall sound quality balance; existing acoustic fixtures are fixed in the audio box and connected to the artificial ear. Since the special-shaped exhaust port of the headphones with special-shaped exhaust ports is located at the position where the earplug is installed and the surface curve associated with its position is winding, it is easy to cause air leakage, which in turn leads to too low low-frequency values ​​and unqualified acoustic test results. Therefore, the utility model proposes a new technical solution to the above problems. Utility Model Content

[0003] The purpose of the utility model is to provide an acoustic jig for headphones with a special-shaped exhaust port. The connecting ends on both sides of the acoustic jig adopt an interference connection structural design, which improves the sealing of the acoustic jig, reduces the production cost of the acoustic jig, and improves the convenience of audio testing and the success rate of audio testing.

[0004] Based on this, the utility model provides an acoustic fixture for earphones with a special-shaped exhaust port, comprising:

[0005] An acoustic jig body is provided with a first jig connection end and a second jig connection end, the first jig connection end and the second jig connection end being arranged opposite to each other on both sides of the acoustic jig body; the first jig connection end is provided with a first connection hole, the first connection hole can be used for inserting the special-shaped earphone sound-emitting part on the special-shaped exhaust port earphone, and the earphone exhaust port provided on the special-shaped earphone sound-emitting part is sealed; the second jig connection end is provided with a second connection hole, the second connection hole is provided for sealing connection of the acoustic test equipment, and the second connection hole is connected to the first connection hole for performing a sealed acoustic test.

[0006] In the acoustic jig for the special-shaped exhaust port earphone as described above, the first connecting hole and the second connecting hole respectively seal the sound-emitting part of the special-shaped earphone and the acoustic testing equipment through interference fit.

[0007] As described above, in the acoustic jig for earphones with a special-shaped exhaust port, the first jig connection end is further provided with an earphone mounting boss lower than the upper plane of the first jig connection end, and the first connection hole is provided on the earphone mounting boss.

[0008] As described above, in the acoustic jig for the special-shaped exhaust port earphone, a first fixing groove is provided on the outer side of the earphone mounting boss to stabilize the special-shaped exhaust port earphone.

[0009] In the above-described acoustic jig for earphones with a special-shaped exhaust port, an acoustic jig test slot is provided at the connection between the first connection hole and the second connection hole, and the first connection hole is separated from the second connection hole by the acoustic jig test slot.

[0010] In the above-mentioned acoustic jig for earphones with special-shaped exhaust ports, the acoustic jig test slot is designed to imitate the shape of a waist drum.

[0011] As described above, in the acoustic jig for earphones with a special-shaped exhaust port, the second jig connection end is provided with an acoustic jig mounting portion recessed inward, the second connection hole is provided in the acoustic jig mounting portion, and the second connection hole is interference-connected with the acoustic testing equipment through the acoustic jig mounting portion.

[0012] As described above, the acoustic jig for earphones with a special-shaped exhaust port has a stepped outer side of the acoustic jig body.

[0013] The utility model also provides an audio test box, comprising the above-mentioned special-shaped exhaust port earphone acoustic jig.

[0014] The audio test box as described above further includes an audio test box body and an acoustic jig test mounting portion, wherein the acoustic jig test mounting portion is arranged in the audio test box body, and the acoustic jig test mounting portion is provided with an acoustic jig locking portion, an acoustic jig fixing portion, and an acoustic test artificial ear, wherein the acoustic test artificial ear is connected to the acoustic jig fixing portion, and the acoustic test artificial ear can be snapped into the second jig connection end for testing; the acoustic jig body can be connected to the acoustic jig fixing portion via the acoustic jig mounting portion, and locked to the acoustic jig fixing portion via the acoustic jig locking portion.

[0015] The implementation of the present invention has the following beneficial effects:

[0016] 1. In this scheme, the connection ends on both sides of the acoustic jig adopt an interference connection structural design. By respectively providing a first connection hole and a second connection hole at the first jig connection end and the second jig connection end, the special-shaped earphone sound-emitting part 24 on the special-shaped exhaust port earphone is inserted into the first connection hole and sealed, thereby sealing the earphone exhaust port on the special-shaped earphone sound-emitting part 24 to prevent air leakage due to the irregular shape of the earphone exhaust port during the test; the acoustic test equipment is sealed through the second connection hole to ensure the sealing of the acoustic jig during the test through the effect of two-way sealing, effectively avoiding air leakage during the test, and at the same time optimizing the structure of the acoustic jig, facilitating quick installation for testing, simplifying the installation steps, and achieving the effect of improving the sealing of the acoustic jig, reducing the production cost of the acoustic jig, and improving the convenience of audio testing and the success rate of audio testing. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the following briefly introduces the drawings required for use in the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without any creative work.

[0018] Figure 1 This is a schematic structural diagram of an embodiment of the present utility model;

[0019] Figure 2 To correspond Figure 1 A magnified view of part A;

[0020] Figure 3 This is a schematic diagram of the structure of the special-shaped exhaust port earphone connected to the acoustic fixture test installation;

[0021] Figure 4 To correspond Figure 3 Structural explosion diagram;

[0022] Figure 5 To correspond Figure 4 Structural diagram of the other direction;

[0023] Figure 6 This is a structural diagram of the main body of the acoustic fixture;

[0024] Figure 7 To correspond Figure 6 BB cross-sectional view;

[0025] Figure 8 To correspond Figure 7 Magnified view of part C;

[0026] Figure 9 This is a schematic diagram of the structure of the earphone with a special-shaped exhaust port;

[0027] Figure 10 To correspond Figure 9 Enlarged view of part D.

[0028] In the figure: 1-acoustic jig body, 11-first jig connection end, 111-first connection hole, 112-earphone mounting boss, 1121-profile earphone mounting hole, 113-first fixing slot, 12-second jig connection end, 121-second connection hole, 122-acoustic jig mounting portion, 13-acoustic jig test slot, 131-test slot sidewall structure, 132-upper test contraction section, 133-lower test contraction section, 134- Extension cavity, 14-first jig step layer, 15-second jig step layer, 16-third jig step layer; 2-special-shaped earphone exhaust port, 21-earphone exhaust port, 22-special-shaped earphone back cover, 23-special-shaped earphone upper shell, 24-special-shaped earphone sound-emitting part; 3-acoustic jig test installation part, 31-acoustic jig locking part, 32-acoustic jig fixing part, 33-acoustic test artificial ear, 34-buffer piece; 4-audio test box body. DETAILED DESCRIPTION

[0029] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0030] like Figures 1 to 10 As shown, the embodiment of the present invention provides an acoustic fixture for earphones with a special-shaped exhaust port, comprising:

[0031] An acoustic jig body 1 is provided with a first jig connection end 11 and a second jig connection end 12, and the first jig connection end 11 and the second jig connection end 12 are relatively arranged on both sides of the acoustic jig body 1; the first jig connection end 11 is provided with a first connection hole 111, and the first connection hole 111 can be used for inserting the special-shaped earphone sound-emitting part 24 on the special-shaped exhaust port earphone 2, and the earphone exhaust port 21 provided on the special-shaped earphone sound-emitting part 24 is sealed; the second jig connection end 12 is provided with a second connection hole 121, and the second connection hole 121 is provided for sealing connection of the acoustic test equipment, and the second connection hole 121 is connected to the first connection hole 111 for performing a sealed acoustic test.

[0032] Specifically, the acoustic jig body 1 is made of silicone material as a whole, and the first connecting hole 111 and the second connecting hole 121 are respectively sealed to the special-shaped earphone sound-emitting part 24 and the acoustic test equipment through interference connection; the silicone material is high-density silicone with excellent sound wave absorption ability, which can effectively reduce the reflection and propagation loss of sound waves in the acoustic jig body 1, thereby improving the accuracy and stability of the acoustic test; the silicone material also has good elasticity and flexibility, so that the special-shaped earphone sound-emitting part 24 and the acoustic test equipment can be interference-connected with the acoustic jig, while providing a buffering effect, reducing friction and impact between the acoustic test equipment and the acoustic jig, preventing damage to the acoustic test equipment and maintaining stable installation of the equipment.

[0033] Furthermore, the first jig connection end 11 is also provided with an earphone mounting boss 112 which is lower than the upper plane of the first jig connection end 11, and the first connecting hole 111 is provided on the earphone mounting boss 112. By connecting the special-shaped exhaust port earphone 2 to the first connecting hole 111, the earphone mounting boss 112 stabilizes the special-shaped exhaust port earphone 2 to prevent the special-shaped exhaust port earphone 2 from shifting during the test, thereby enhancing the stability during the test and improving the success rate of the audio test; a contoured earphone mounting hole 1121 is provided on the inner side of the earphone mounting boss 112, and the first connecting hole 111 is provided at the bottom of the contoured earphone mounting hole 1121, and the first connecting hole 111 is located at the center of the acoustic jig body 1, further enhancing the supporting stability of the earphone mounting boss 112 on the special-shaped exhaust port earphone 2.

[0034] Furthermore, a first fixing groove 113 is provided on the outer side of the earphone mounting boss 112 to stabilize the special-shaped exhaust port earphone 2. The special-shaped exhaust port earphone 2 can abut against the side wall of the first fixing groove 113 during the test. The first fixing groove 113 cooperates with the earphone mounting boss 112 to further stabilize the special-shaped exhaust port earphone 2, and at the same time buffers the impact force generated during the test of the special-shaped exhaust port earphone 2 to prevent the earphone shell from being damaged due to excessive clamping, and at the same time improves the applicability of the acoustic fixture to the testing of different special-shaped exhaust port earphones 2.

[0035] Furthermore, an acoustic jig test slot 13 is provided at the connection between the first connection hole 111 and the second connection hole 121. The first connection hole 111 is separated from the second connection hole 121 by the acoustic jig test slot 13, which increases the versatility of the acoustic test and expands the test range of the acoustic jig. A sealed isolation structure can also be provided on both sides of the acoustic jig test slot 13. The sealed isolation structure is connected to the first connection hole 111 and the second connection hole 121 to ensure the acoustic seal between the special-shaped exhaust port earphone 2 and the acoustic test equipment to prevent sound wave leakage and interference.

[0036] Furthermore, the acoustic fixture test slot 13 is designed in the shape of a waist drum, and the waist drum-shaped design of the acoustic fixture test slot 13 includes a concave test slot side wall structure 131, and the test slot side wall structure 131 is used to optimize the reflection path of the sound wave, reduce the multiple reflections of the sound wave in the test slot, and thus enhance the accuracy of the acoustic test; the two ends of the acoustic fixture test slot 13 designed in the shape of a waist drum are also provided with an upper test contraction section 132 and a lower test contraction section 133, and the upper test contraction section 132 and the lower test contraction section 133 are respectively used to guide the sound waves to concentrate into the special-shaped exhaust port earphone 2 and the acoustic test equipment, reducing the sound waves in the acoustic Attenuation and interference in the jig test slot 13 ensure the transmission efficiency of sound waves; the waist drum-shaped design is provided with an expansion cavity 134 in the center of the test slot 13, and the expansion cavity 134 is used to increase the propagation space of sound waves and increase the acoustic resonance effect in the acoustic jig test slot 13, so as to better capture and analyze the low-frequency response of the special-shaped exhaust port earphone 2; the surface of the test slot 13 with the waist drum-shaped design can also be designed with a sound wave diffusion texture, and the sound wave diffusion texture is used to further evenly disperse the sound waves in the acoustic jig test slot 13, reduce the aggregation of sound waves on the inner wall, and improve the balance of sound waves in each frequency band during the test and the accuracy of the test.

[0037] Furthermore, the second jig connection end 12 is provided with an acoustic jig mounting portion 122 recessed inwardly, and the acoustic jig mounting portion 122 is connected to the acoustic test equipment by an interference fit, so that the acoustic jig can be quickly connected to the acoustic test equipment, thereby improving the test efficiency; the second connection hole 121 is provided in the acoustic jig mounting portion 122, and the second connection hole 121 is interference fit with the acoustic test equipment through the acoustic jig mounting portion 122, so as to improve the connection sealing between the acoustic jig and the test equipment.

[0038] Furthermore, the outer side of the acoustic jig body 1 is a stepped design, and the stepped design is a three-step design. The acoustic jig body 1 is also provided with a first jig step layer 14, a second jig step layer 15, and a third jig step layer 16. The acoustic test equipment can fix the acoustic jig body 1 on the acoustic test equipment through the second jig step layer 15 or the third jig step layer 16, further expanding the applicability of the acoustic jig; in the present invention, the third jig step layer 16 is preferably used for fixing to better install; the first jig step layer 14 can be used for the special-shaped exhaust port earphone 2 to be offset and abutted during testing, effectively avoiding damage to the special-shaped exhaust port earphone 2.

[0039] The present invention also provides an audio test box, comprising the above-mentioned special-shaped exhaust port earphone acoustic jig. Since the audio test box is equipped with the above-mentioned acoustic jig, it also has the beneficial effects of the acoustic jig.

[0040] Furthermore, the present invention provides an audio test box further comprising an audio test box body 4 and an acoustic jig test mounting portion 3. The acoustic jig test mounting portion 3 is arranged in the audio test box body 4, and the acoustic jig test mounting portion 3 is provided with an acoustic jig locking portion 31, an acoustic jig fixing portion 32, an acoustic test artificial ear 33, and a buffer sheet 34. The acoustic jig body 1 can be connected to the acoustic jig fixing portion 32 through the acoustic jig mounting portion 122. The acoustic test artificial ear 33 can be inserted into the second jig connection end 12 for audio testing, and the acoustic jig is locked on the acoustic jig fixing part 32 through the acoustic jig locking part 31, thereby improving the stability of the overall structural connection; the inner side of the acoustic jig locking part 31 is provided with a locking thread structure, and the outer side is provided with a locking anti-slip structure; the acoustic jig fixing part 32 is provided with a fixed thread structure that cooperates with the locking thread structure of the acoustic jig locking part 31, and the acoustic jig locking part 31 can be locked on the acoustic jig fixing part 32 through the locking anti-slip structure. The sliding structure is quickly threaded into the acoustic jig fixing portion 32, thereby fastening the acoustic jig in the audio test box for testing, thereby improving the convenience of disassembly and installation; a high-precision sound pressure sensor is provided inside the acoustic test artificial ear 33, which can monitor the sound pressure level emitted by the special-shaped exhaust port earphone 2 in real time and feed back the data to the control system so as to automatically adjust the test parameters and provide more accurate test results; an adjustable simulated auditory structure is also provided inside the acoustic test artificial ear 33, which can simulate different ear canal shapes and acoustic characteristics to ensure that in the test scenarios of different special-shaped exhaust port earphones 2, the acoustic test artificial ear 33 can accurately reflect the acoustic performance of the earphone, so as to improve the diversity and accuracy of the test results; the buffer sheet 34 is connected between the acoustic jig fixing portion 32 and the acoustic jig mounting portion 122, and can buffer the impact force generated during installation to prevent the acoustic test artificial ear 33 from being damaged during the installation process.

[0041] In the present invention, the special-shaped exhaust port earphone 2 also includes a special-shaped earphone back cover 22 and a special-shaped earphone upper shell 23. The special-shaped earphone back cover 22 is connected to the special-shaped earphone upper shell 23. The special-shaped earphone sound-emitting portion 24 is connected to the lower side of the special-shaped earphone upper shell 23 relative to the special-shaped earphone back cover 22, so that the special-shaped earphone sound-emitting portion 24 can be firmly inserted into the first connecting hole 111 of the acoustic fixture through the special-shaped earphone sound-emitting portion 24 and one end of the special-shaped earphone upper shell 23 can be connected to the profiling earphone mounting hole 1121, and the side of the special-shaped earphone upper shell 23 can be in the When the special-shaped exhaust port earphone 2 is tilted due to impact, it abuts against the upper surface of the first fixture connection end 11, thereby enhancing the supporting effect of the acoustic fixture on the special-shaped exhaust port earphone 2, so as to improve the stability during the test; the earphone exhaust port 21 is arranged on the special-shaped earphone sound-emitting part 24 to balance the pressure inside the earphone, thereby improving the sound quality and heavy bass effect of the special-shaped exhaust port earphone 2, and through the sealing effect of the first connecting hole 111 on the special-shaped earphone sound-emitting part 24, the normal progress of the audio test is effectively ensured, and the success efficiency of the earphone test is improved.

[0042] It should be understood that the terms "first", "second", etc. are used in the present invention to describe various information, but such information should not be limited to these terms, which are only used to distinguish the same type of information from each other. For example, without departing from the scope of the present invention, the "first" information may also be referred to as the "second" information, and similarly, the "second" information may also be referred to as the "first" information. In addition, the terms "center", "up", "down", "left", "right", "vertical", "horizontal", "inside", "outside", etc., which indicate orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore should not be understood as limiting the present invention.

[0043] The above is a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principles of the present invention. These improvements and modifications are also considered to be within the scope of protection of the present invention.

Claims

1. An acoustic fixture for earphones with a special-shaped exhaust port, characterized in that: include: An acoustic jig body (1) is provided with a first jig connection end (11) and a second jig connection end (12), wherein the first jig connection end (11) and the second jig connection end (12) are arranged on both sides of the acoustic jig body (1); the first jig connection end (11) is provided with a first connection hole (111), wherein the first connection hole (111) can be inserted into a special-shaped earphone sound-producing portion (24) on a special-shaped earphone exhaust port earphone (2) and seals the earphone exhaust port (21) provided on the special-shaped earphone sound-producing portion (24); the second jig connection end (12) is provided with a second connection hole (121), wherein the second connection hole (121) is provided for sealing connection with an acoustic test device, and the second connection hole (121) is connected to the first connection hole (111) to perform a sealed acoustic test.

2. The acoustic fixture for earphones with special-shaped exhaust ports according to claim 1, characterized in that: The first connection hole (111) and the second connection hole (121) respectively seal the special-shaped earphone sound-emitting part (24) and the acoustic testing equipment through interference connection.

3. The acoustic fixture for earphones with special-shaped exhaust ports according to claim 1, characterized in that: The first jig connection end (11) is further provided with an earphone mounting boss (112) lower than the upper plane of the first jig connection end (11), and the first connection hole (111) is provided on the earphone mounting boss (112).

4. The acoustic fixture for earphones with special-shaped exhaust ports according to claim 3, characterized in that: A first fixing groove (113) for stabilizing the special-shaped exhaust port earphone (2) is provided on the outer side of the earphone mounting boss (112).

5. The acoustic fixture for earphones with special-shaped exhaust ports according to claim 1, characterized in that: An acoustic jig test slot (13) is provided at the connection between the first connection hole (111) and the second connection hole (121), and the first connection hole (111) is separated from the second connection hole (121) by the acoustic jig test slot (13).

6. The acoustic fixture for earphones with special-shaped exhaust ports according to claim 5, characterized in that: The acoustic jig test tank (13) is designed to imitate the shape of a waist drum.

7. The acoustic fixture for earphones with special-shaped exhaust ports according to claim 1, characterized in that: The second jig connection end (12) is provided with an acoustic jig mounting portion (122) recessed inwardly, the second connection hole (121) is provided in the acoustic jig mounting portion (122), and the second connection hole (121) is interference-connected with the acoustic testing equipment through the acoustic jig mounting portion (122).

8. The acoustic fixture for earphones with special-shaped exhaust ports according to claim 1, characterized in that: The outer side of the acoustic fixture body (1) is designed in a stepped manner.

9. An audio test box, comprising the special-shaped exhaust port earphone acoustic fixture described in any one of items 1 to 8 above.

10. The audio test box according to claim 9, characterized in that: The invention also includes an audio test box body (4) and an acoustic jig test installation part (3), wherein the acoustic jig test installation part (3) is arranged in the audio test box body (4), and the acoustic jig test installation part (3) is provided with an acoustic jig locking part (31), an acoustic jig fixing part (32), and an acoustic test artificial ear (33), wherein the acoustic test artificial ear (33) is connected to the acoustic jig fixing part (32), and the acoustic test artificial ear (33) can be snapped into the second jig connection end (12) for testing; the acoustic jig body (1) can be connected to the acoustic jig fixing part (32) through the acoustic jig installation part (122), and locked on the acoustic jig fixing part (32) through the acoustic jig locking part (31).

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