CN214413043U - Earphone testing device - Google Patents

Abstract

The utility model discloses an earphone testing arrangement, including the ear-bearing part and the sound chamber portion that can dismantle the connection, be equipped with the earphone groove that is used for placing the earphone in the ear-bearing part, the earphone inslot is equipped with the sound hole, is equipped with the sound chamber in the sound chamber portion, sound hole and sound chamber intercommunication. The ear bearing part and the sound cavity part adopt split design, so that the processing difficulty and the processing error are reduced, the consistency of a test result is ensured, and the universality is improved.

Description

Earphone testing device

Technical Field

The utility model relates to an audio test technical field especially relates to an earphone testing arrangement.

Background

The TWS-type earphone products basically have an ANC active noise reduction function, and the earphones are subjected to an A2DP (Advanced Audio Distribution Profile) test before leaving the factory, so as to ensure the high sound quality of the earphones and the optimal experience of the ANC noise reduction function. The existing tooling for testing A2DP on the earphone comprises an ear piece, wherein a sound cavity is integrally formed in the ear piece and communicated with a bionic ear. The earphone to be tested is placed in the ear piece, sound emitted by the earphone to be tested enters the bionic ear through the sound cavity, and acoustic testing of the earphone to be tested is completed by picking up sound signals in the bionic ear. On the one hand, the material of ear piece is usually POM (polyformaldehyde), and POM material hardness is great, leads to earphone and ear piece laminating that can not be fine, leads to having the revealing of sound among the test procedure, influences test effect. On the other hand, the ear piece and the sound cavity are of an integrated structure, the structure is complex, the processing difficulty and the processing error are increased, and the consistency of the test result cannot be ensured; the integrated structural design also limits the universality of the testing device, and one testing device can only be suitable for earphones with specific appearances.

The above information disclosed in this background section is only for enhancement of understanding of the background of the application and therefore it may comprise prior art that does not constitute known to a person of ordinary skill in the art.

Disclosure of Invention

To the problem pointed out in the background art, the utility model provides an earphone testing arrangement, the ear-piece portion adopts components of a whole that can function independently design with the sound cavity portion, reduces the processing degree of difficulty and machining error, guarantees the uniformity of test result, improves the commonality.

In order to realize the purpose of the utility model, the utility model adopts the following technical scheme to realize:

the utility model provides an earphone testing arrangement, include:

the earphone comprises an earphone body, an earphone groove and a sound hole, wherein the earphone body is provided with an earphone groove for placing an earphone;

the sound cavity part is detachably connected with the ear bearing part, a sound cavity is arranged in the sound cavity part, and the sound hole is communicated with the sound cavity.

In some embodiments of the present application, the ear piece portion includes ear piece one portion and ear piece two portion, be equipped with first through-hole in the ear piece one portion, the ear piece two portion is located in the first through-hole, the ear piece two portion has the part to be located the top surface of ear piece one portion, be equipped with the second through-hole in the ear piece two portion, be equipped with in the ear piece two portion the earphone groove, the sound hole with the second through-hole intercommunication, the sound cavity portion with the second through-hole is connected.

In some embodiments of the present application, the material of the second ear piece is silica gel.

In some embodiments of the present application, the sound cavity portion includes a sound cavity portion and a sound cavity portion, the sound cavity portion with the connection can be dismantled to sound cavity portion two, the sound cavity portion is inserted and is located in the second through-hole, be equipped with in the sound cavity portion the sound cavity, sound cavity portion two is used for being connected with the imitative sound ear.

In some embodiments of this application, be equipped with a plurality of sound channels of leaking on the sound chamber one portion, the one end of leaking the sound channel with sound chamber intercommunication, the other end and the external world intercommunication of leaking the sound channel.

In some embodiments of the present application, a groove is formed on an inner wall of one portion of the acoustic cavity along a circumferential direction of the inner wall, and a diameter of a circumference where the groove is located is larger than a diameter of the acoustic cavity.

In some embodiments of the present application, the groove and the sound leakage path are on the same circumference, and the plurality of sound leakage paths are disposed between two ends of the groove.

In some embodiments of this application, the interval is equipped with a plurality of sockets portion on the ear piece portion, the interval is equipped with a plurality of bellyings on the one portion of sound chamber, and is a plurality of sockets portion and a plurality of the bellyings correspond the interference and peg graft.

In some embodiments of the present application, a third through hole is formed in the second part of the acoustic cavity, the third through hole is communicated with the acoustic cavity, and the sound-like lug is disposed in the third through hole;

the sound cavity is provided with a sound-imitating lug, the sound cavity is provided with a sound cavity, and the sound cavity is provided with a sound cavity.

In some embodiments of the present application, the acoustic device further includes a mounting plate, a fourth through hole is provided in the mounting plate, the acoustic cavity is provided on the mounting plate, and the fourth through hole is communicated with the acoustic cavity;

still be equipped with a plurality of erection columns on the mounting panel, the other end of erection column with ear-piece portion connects.

Compared with the prior art, the utility model discloses an advantage is with positive effect:

in the earphone testing arrangement that this application discloses, ear piece portion and sound cavity portion are split type project organization, process ear piece portion and sound cavity portion respectively, again with two parts connect can, help reducing the processing degree of difficulty and machining error to guarantee the uniformity of test result. Can realize carrying out the acoustics test to the earphone of different outward appearances through changing different ear piece portions, improve the commonality.

Other features and advantages of the present invention will become more apparent from the following detailed description of the invention when read in conjunction with the accompanying drawings.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive labor.

Fig. 1 is a schematic structural diagram of an earphone testing device (placing an earphone) according to an embodiment;

FIG. 2 is a cross-sectional view of a headset testing device (without a headset placed) according to an embodiment;

FIG. 3 is a schematic view of an assembled structure of an ear-bearing part and a sound cavity part according to an embodiment;

FIG. 4 is a schematic diagram of an earpiece according to an embodiment;

FIG. 5 is a schematic view of an earpiece portion as viewed from the bottom side up, in accordance with an embodiment;

FIG. 6 is a schematic diagram of the structure of an acoustic cavity portion according to an embodiment;

fig. 7 is a schematic view of a portion of an acoustic chamber according to an embodiment, viewed from the bottom side.

Reference numerals:

100-earpiece portion, 110-earpiece one portion, 111-first transverse portion, 112-first vertical portion, 113-mounting hole, 114-socket portion, 120-earpiece two portion, 121-second transverse portion, 122-second vertical portion, 123-earphone groove, 1231-first inner wall, 1232-second inner wall, 124-sound hole, 125-second through hole, 126-protrusion;

200-sound cavity part, 210-sound cavity part I, 211-sound cavity, 212-sound leakage channel, 213-groove, 214-lug, 215-threaded hole, 220-sound cavity part II, 221-third through hole;

300-mounting plate, 310-fourth through hole, 320-sinking platform;

400-mounting a post;

500-earphone.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that in the description of the present invention, the terms of direction or positional relationship indicated by the terms "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, which are merely for convenience of description, and do not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and "fourth" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

Referring to fig. 1 to 3, the earphone testing device in the present embodiment includes an ear piece portion 100 and a sound cavity portion 200, and the ear piece portion 100 is detachably connected to the sound cavity portion 200. The ear-supporting part 100 is provided with an earphone slot 123 for placing an earphone, and the earphone slot 123 is provided with a sound hole 124. An acoustic cavity 211 is arranged in the acoustic cavity part 200, and the acoustic hole 124 is communicated with the acoustic cavity 211. The other end of the acoustic cavity 211 is connected to a sound-simulating ear (not shown).

The earphone 500 to be tested is placed in the earphone groove 123, the sound outlet of the earphone 500 is opposite to the sound outlet 124, sound emitted by the earphone 500 enters the sound cavity 211 through the sound outlet 124 and then enters the bionic ear, and the acoustic performance of the earphone is tested by picking up sound signals in the bionic ear.

Ear-bearing portion 100 and sound chamber portion 200 in this application are split type design structure, process ear-bearing portion 100 and sound chamber portion 200 respectively, again with two parts connect can, help reducing the processing degree of difficulty and machining error to guarantee the uniformity of test result. By replacing different ear bearing parts 100, the acoustic testing of the earphones with different appearances can be realized, and the universality is improved.

In some embodiments of the present application, referring to fig. 2, 4 and 5, the earpiece portion 100 includes a first earpiece portion 110 and a second earpiece portion 120.

A first through hole (not labeled) is formed in the first ear piece portion 110, the first ear piece portion 110 includes a first transverse portion 111 and a first vertical portion 112 which are integrally formed, and the first through hole penetrates through the first transverse portion 111 and the first vertical portion 112. The first horizontal portion 111 has a flat plate-like structure, and the first vertical portion 112 has a cylindrical structure.

The second ear piece part 120 includes a second transverse part 121 and a second vertical part 122 which are integrally formed, the second transverse part 121 is a flat plate-shaped structure with a certain thickness, and the second vertical part 122 is a cylindrical structure.

The second ear piece portion 120 is disposed in the first through hole, and specifically, the second vertical portion 122 is disposed in the first through hole. The second ear piece portion 120 has a top surface partially disposed on the first ear piece portion 110, i.e., the second transverse portion 121 is disposed on the top surface of the first transverse portion 111. A second through hole 125 is formed in the second ear piece portion 120, and specifically, a second through hole 125 is formed in the second vertical portion 122. The second earpiece portion 120 is provided with an earphone slot 123, specifically, the second transverse portion 121 is provided with an earphone slot 123, and the sound hole 124 is communicated with the second through hole 125.

An inserting structure with a matched groove and protrusion is arranged between the first transverse part 111 and the second transverse part 121, so that the connection reliability between the first ear piece part 110 and the second ear piece part 120 is improved.

The bottom of the second vertical portion 122 is provided with an annular protruding portion 126, and the protruding portion 126 abuts against the bottom end of the first vertical portion 112, so that the connection reliability between the first ear piece portion 110 and the second ear piece portion 120 is further improved.

The second earpiece part 120 is made of silica gel, and the silica gel has certain elasticity, so that on one hand, the sealing performance between the earphone groove 123 and the earphone 500 is improved; on the other hand, the sealing performance between the sound cavity 200 and the silicone rubber peripheral wall and the silicone rubber top wall which enclose the second through hole 125 is improved, so that sound leakage is avoided, and the accuracy of the test result is improved.

In some embodiments of the present application, referring to fig. 2, 6 and 7, the sound cavity portion 200 includes a first sound cavity portion 210 and a second sound cavity portion 220, the first sound cavity portion 210 is detachably connected to the second sound cavity portion 220, and the first sound cavity portion 210 is disposed on top of the second sound cavity portion 220.

The first acoustic chamber portion 210 is inserted into the second through hole 125, and an acoustic chamber 211 is disposed in the first acoustic chamber portion 210.

The second acoustic cavity portion 220 is used for being connected with the bionic ear, and after the bionic ear is installed on the second acoustic cavity portion 220, the bionic ear is communicated with the acoustic cavity 211.

The split acoustic chamber one portion 210 and acoustic chamber two portion 220 further help to reduce machining difficulties and machining errors.

In some embodiments of the present application, a plurality of sound leaking channels 212 are disposed on the first acoustic cavity portion 210, one end of each sound leaking channel 212 is communicated with the acoustic cavity 211, and the other end of each sound leaking channel 212 is communicated with the outside. The sound leakage channel 212 is arranged to further improve the accuracy of sound signal collection, so as to improve the accuracy of test results.

In some embodiments of the present application, the inner wall of the first acoustic chamber portion 210 has a groove 213 formed along the circumference thereof, and the diameter of the circumference where the groove 213 is located is larger than that of the acoustic chamber 211. The recess 213 acts as a sound buffer chamber, and the sound coming from the sound hole 124 is buffered in the recess 213, rather than directly flowing out of the sound discharge channel 212, which helps to improve the stability of the audio test.

For the specific arrangement of the sound leakage passages 212, there are three sound leakage passages 212, and the three sound leakage passages 212 are uniformly spaced along the circumferential direction of the acoustic cavity 211.

For the specific arrangement of the groove 213, the groove 213 and the sound venting channel 212 are located on the same circumference, the groove 213 is an arc-shaped channel structure, and the plurality of sound venting channels 2122 are disposed between two ends of the groove 213, so as to further improve the sound buffering effect and the stability of the audio test.

As for the connection structure between the ear piece 100 and the sound cavity 200, referring to fig. 3 and 5, a plurality of socket portions 114 are provided at intervals on the first vertical portion 112 of the ear piece; referring to fig. 7 again, a plurality of protruding portions 214 are disposed on the first acoustic cavity portion 210 at intervals, and the plurality of socket portions 114 are inserted into the plurality of protruding portions 214 in an interference manner, so as to achieve a fixed connection between the ear-supporting portion 100 and the acoustic cavity portion 200.

In this embodiment, three of the socket portions 114 and the boss portions 214 are provided.

Referring to fig. 2, a third through hole 221 is formed in the second acoustic cavity portion 220, the third through hole 221 is communicated with the acoustic cavity 211, and the sound-like ear is disposed in the third through hole 221; the boss 214 is internally provided with a threaded hole 215, a tapping (not shown) penetrates through the threaded hole 215, and the tapping penetrates through the second acoustic cavity part 220 and then is connected with the bionic ear, so that the first acoustic cavity part 210, the second acoustic cavity part 220 and the bionic ear are connected together.

In some embodiments of the present application, referring to fig. 1 and 2, the earphone testing device further includes a mounting plate 300, a fourth through hole 310 is provided in the mounting plate 300, the sound cavity portion 200 is provided on the mounting plate 300, the fourth through hole 310 is communicated with the sound cavity 211, and the bionic ear is mounted on the second sound cavity portion 220 after passing through the fourth through hole 310.

The mounting plate 300 is further provided with a plurality of mounting posts 400, and the other ends of the mounting posts 400 are connected with the ear-piece part 100, so that the ear-piece part 100 and the sound cavity part 200 can be positioned and mounted.

In this embodiment, the number of the mounting posts 400 is four, the four corners of the first transverse portion 111 are provided with mounting holes 113, and the mounting posts 400 are fixed to the mounting holes 113 by screws.

The top of the fourth through hole 310 is provided with a sinking platform 320, the bottom of the second acoustic cavity portion 220 is embedded in the sinking platform 320, and when the mounting post 400 is connected with the first transverse portion 111, the acoustic cavity portion 200 can be limited between the ear-bearing portion 100 and the mounting plate 300.

The first through hole, the second through hole 125, the third through hole 221, the fourth through hole 310, the acoustic cavity 211 and the sinking platform 320 are all coaxially arranged, the stability of the structure can be guaranteed through coaxial assembly, and the stability and the consistency of a test result are improved.

In some embodiments of the present application, the inner walls of earphone slot 123 include a first inner wall 1231 and a second inner wall 1232, wherein first inner wall 1231 is closer to acoustic aperture 124. After the earphone 500 is placed in the earphone groove 123, the first inner wall 1231 is in sealing fit with the outer wall of the ear bag of the earphone 500, so that sound leakage is avoided; the second inner wall 1232 is slightly expanded to ensure that the second inner wall 1232 is tightly attached to the outer wall of the ear bag of the earphone 500, but is not sealed, so that the earphone 500 can be conveniently taken and placed.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims (10)

1. An earphone testing device, comprising:

the earphone comprises an earphone body, an earphone groove and a sound hole, wherein the earphone body is provided with an earphone groove for placing an earphone;

the sound cavity part is detachably connected with the ear bearing part, a sound cavity is arranged in the sound cavity part, and the sound hole is communicated with the sound cavity.

2. The earphone test device of claim 1,

the ear-bearing part comprises an ear-bearing part and an ear-bearing part, a first through hole is arranged in the ear-bearing part, the ear-bearing part is arranged in the first through hole, the ear-bearing part is provided with a part arranged on the top surface of the ear-bearing part, a second through hole is arranged in the ear-bearing part, the earphone slot is arranged on the ear-bearing part, the sound hole is communicated with the second through hole, and the sound cavity part is connected with the second through hole.

3. The earphone test device of claim 2,

the ear pieces are made of silica gel.

4. The earphone test device of claim 2,

the sound cavity part comprises a first sound cavity part and a second sound cavity part, the first sound cavity part is detachably connected with the second sound cavity part, the first sound cavity part is inserted into the second through hole, the sound cavity is arranged in the first sound cavity part, and the second sound cavity part is connected with the sound simulating ear.

5. The earphone test device of claim 4,

one part of the sound cavity is provided with a plurality of sound leaking channels, one ends of the sound leaking channels are communicated with the sound cavity, and the other ends of the sound leaking channels are communicated with the outside.

6. The earphone test device of claim 5,

a groove is formed in the inner wall of one part of the sound cavity along the circumferential direction of the sound cavity, and the diameter of the circumference where the groove is located is larger than that of the sound cavity.

7. The earphone test device of claim 6,

the groove and the sound leakage channels are located on the same circumference, and the sound leakage channels are arranged between two ends of the groove.

8. The earphone test device of claim 4,

the ear piece is equipped with a plurality of sockets portion at the interval in one portion, the interval is equipped with a plurality of bellyings in one portion of sound chamber, and is a plurality of the socket portion is with a plurality of the bellyings corresponds the interference and pegs graft.

9. The earphone test device of claim 8,

a third through hole is formed in the second part of the sound cavity, the third through hole is communicated with the sound cavity, and the sound-imitating lug is arranged in the third through hole;

the sound cavity is provided with a sound-imitating lug, the sound cavity is provided with a sound cavity, and the sound cavity is provided with a sound cavity.

10. The earphone test device according to any one of claims 1 to 9,

the acoustic cavity is arranged on the mounting plate, and the fourth through hole is communicated with the acoustic cavity;

still be equipped with a plurality of erection columns on the mounting panel, the other end of erection column with ear-piece portion connects.

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