CN221710056U - Sound leakage prevention earphone - Google Patents
Sound leakage prevention earphone Download PDFInfo
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- CN221710056U CN221710056U CN202420240221.5U CN202420240221U CN221710056U CN 221710056 U CN221710056 U CN 221710056U CN 202420240221 U CN202420240221 U CN 202420240221U CN 221710056 U CN221710056 U CN 221710056U
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- 230000002265 prevention Effects 0.000 title abstract description 6
- 238000013016 damping Methods 0.000 claims description 12
- 239000004744 fabric Substances 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 abstract description 5
- 230000005405 multipole Effects 0.000 abstract description 3
- 210000003454 tympanic membrane Anatomy 0.000 abstract 1
- 238000007599 discharging Methods 0.000 description 56
- 230000000694 effects Effects 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 3
- 210000000613 ear canal Anatomy 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000001629 suppression Effects 0.000 description 2
- 239000013598 vector Substances 0.000 description 2
- 210000002159 anterior chamber Anatomy 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005764 inhibitory process Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000452 restraining effect Effects 0.000 description 1
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Abstract
The utility model provides a sound leakage prevention earphone, which belongs to the technical field of earphone bodies and comprises an earphone body, and a first sound leakage hole and a second sound leakage hole group which are arranged on the earphone body; the earphone body comprises a first end face and at least two second end faces, the two second end faces are oppositely arranged, the first sound leakage holes are formed in the first end face, and the second sound leakage holes are formed in the second end face; the second sound leakage hole group in each second end face comprises two or more second sound leakage holes, the second sound leakage holes are used for being far away from the auditory canal, and the first sound leakage holes are used for being close to the auditory canal. Through the arrangement, the sound wave transmission of the multipole sound source is realized, so that the low-frequency output of the eardrum of the user is increased while the leakage sound is reduced, and the listening experience of the user is obviously improved.
Description
Technical Field
The utility model belongs to the technical field of earphone bodies, and particularly relates to a sound leakage preventing earphone.
Background
The earphone body (Earphones, headphones, head-sets, earpieces) is a pair of conversion units that receive electrical signals from a media player or receiver and convert them into audible sound waves using a speaker proximate to the ear, wherein the earphone body comprises an open earphone body.
The open earphone body is usually provided with one or two sound leakage holes at the back cavity shell behind the loudspeaker diaphragm, and the sound wave phase of the sound leakage holes of the back cavity is close to the sound wave amplitude of the sound outlet holes of the front cavity in front of the loudspeaker diaphragm, and the phases are opposite, so that an even-level sound source is formed, the external sound pressure after superposition of the two sound sources is reduced, and the purpose of reducing the sound leakage is achieved.
However, since only one or two sound release holes are provided, the degree of freedom of the sound release holes for processing sound waves is small, so that the sound leakage of the target area cannot be accurately reduced, and the listening experience of the user is further affected.
Disclosure of utility model
Based on the above, the present utility model aims to provide a sound leakage prevention earphone, so as to solve the technical problem that in the prior art, as only one or two sound leakage holes are provided in the existing earphone body, the degree of freedom of the sound leakage holes for processing sound waves is smaller, so that the sound leakage of a target area cannot be reduced accurately, and the listening experience of a user is affected.
The utility model provides a sound leakage prevention earphone, an earphone body, and a first sound leakage hole and a second sound leakage hole group which are arranged on the earphone body;
The earphone body comprises a first end face and at least two second end faces, the two second end faces are oppositely arranged, the first sound leakage holes are formed in the first end face, and the second sound leakage hole groups are formed in the second end face;
The second sound leakage hole group in each second end face comprises two or more second sound leakage holes, the second sound leakage holes are used for being far away from the auditory canal, and the first sound leakage holes are used for being close to the auditory canal.
Further, the second end face comprises a second first sub-end face and a second sub-end face, and the second first sub-end face and the second sub-end face are oppositely arranged.
Further, a part of the second sound discharging holes in the second sound discharging hole group are arranged on the second first sub-end surface, and the other part of the second sound discharging holes in the second sound discharging hole group are arranged on the second sub-end surface.
Further, the second sound leakage holes in the second first sub-end surface and the second sound leakage holes in the second sub-end surface are symmetrically arranged.
Further, a distance between each second sound-discharging hole in the second first sub-end surface and the first sound-discharging hole is larger than a distance between each second sound-discharging hole in the second sub-end surface and the first sound-discharging hole.
Further, the second sound leakage holes in the second first sub-end surface and the second sound leakage holes in the second sub-end surface are asymmetrically arranged.
Further, a distance between each of the second sound-discharging holes and the first sound-discharging hole in the second first sub-end surface is equal to a distance between each of the second sound-discharging holes and the first sound-discharging hole in the second sub-end surface.
Compared with the prior art, the utility model has the beneficial effects that:
According to the anti-sound leakage earphone, the first sound leakage holes and the second sound leakage holes are arranged on the earphone body, and the plurality of second sound leakage holes in the first sound leakage holes and the second sound leakage holes are matched with the first sound leakage holes, so that sound wave transmission of a multipolar sound source is achieved.
Drawings
Fig. 1 is an assembly diagram of a sound leakage preventing earphone according to a first embodiment of the present utility model;
Fig. 2 is a perspective view of an earphone body according to a first embodiment of the present utility model;
fig. 3 is a perspective cross-sectional view of an earphone body according to a first embodiment of the present utility model;
Fig. 4 is a perspective cross-sectional view of an earphone body according to a second embodiment of the present utility model.
Description of the drawings: 100. an earphone body; 110. a first end face; 120. a second end face; 121. a second sub-end face; 122. a second sub-end face; 200. a first sound release hole; 300. a second sound release hole group; 310. a second sound release hole b; 320. a second sound release hole c; 330. a second sound release hole d; 340. a second sound release hole e; 400. damping mesh cloth.
Detailed Description
In order that the utility model may be readily understood, a more complete description of the utility model will be rendered by reference to the appended drawings. Several embodiments of the utility model are presented in the figures. This utility model may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
It will be understood that when an element is referred to as being "mounted" on another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.
First embodiment
Referring to fig. 1 to 3, an anti-leakage earphone according to an embodiment of the utility model includes an earphone body 100, and a first leakage hole 200 and a second leakage hole group 300 disposed on the earphone body 100;
The earphone body 100 comprises a first end face 110 and at least two second end faces 120, the two second end faces 120 are oppositely arranged, a first sound leakage hole 200 is formed in the first end face 110, and a second sound leakage hole group 300 is formed in the second end faces 120;
The second sound-discharging hole group 300 in each second end face 120 comprises two or more second sound-discharging holes, the second sound-discharging holes are used for being far away from the auditory canal, and the first sound-discharging holes 200 are used for being close to the auditory canal.
In this embodiment, the first sound release hole 200 is disposed on the first end face 110, the second sound release hole group 300 is disposed on the second end face 120, that is, in practical situations, by disposing the first sound release hole 200 and the second sound release hole group 300 on the earphone body 100, a plurality of second sound release holes in the first sound release hole 200 and the second sound release hole group 300 can be matched with the first sound release hole 200, so as to realize the sound wave transmission of the multipole sound source.
Specifically, the second end surface includes a second first sub-end surface 121 and a second sub-end surface 122, the second first sub-end surface 121 and the second sub-end surface 122 are oppositely arranged, a part of second sound-discharging holes in the second sound-discharging hole group 300 are arranged on the second first sub-end surface 121, a part of second sound-discharging holes in the second sound-discharging hole group 300 are arranged on the second sub-end surface 122, and the second sound-discharging holes in the second first sub-end surface 121 and the second sound-discharging holes in the second sub-end surface 122 are symmetrically arranged.
Specifically, the distance between each second sound-discharging hole in the second first sub-end surface 121 and the first sound-discharging hole 200 is greater than the distance between each second sound-discharging hole in the second sub-end surface 122 and the first sound-discharging hole 200.
For further understanding, referring to fig. 3, in some preferred embodiments, the number of the second sound-discharging holes in the second sound-discharging hole group 300 may be 4, specifically, the second sound-discharging holes b310, c320, d330 and e340, respectively, and the first sound-discharging hole 200 may be marked as the first sound-discharging hole a, that is, the first sound-discharging hole 200, and it should be noted that, in this embodiment, the number of the second sound-discharging holes b310, c320, d330 and e340 in the second sound-discharging hole group 300 is not limited, and may be 6, 8 or the like.
Specifically, the second sound release hole b310, the second sound release hole c320, the second sound release hole d330 and the second sound release hole e340 are all arranged on the second end face 120, and when the user wears the earphone, the sound pressure vector entering the ear canal opening of the userFor the sum of sound pressure vectors emanating from five sound holes, i.e.
Wherein, The sound pressure transmitted by the first sound release hole 200, in a practical situation, is the sound pressure of the sound Kong Chuanchu of the front cavity of the earphone,To the point ofThe sound pressure of the 4 second sound release holes in the second sound release hole group 300 is, in actual situations, the sound pressure transmitted from the sound release holes of the rear cavity of the earphone. When the user wears the earphone to listen, other people around the earphone are far away from the earphone, and the distances from the five sound holes of the earphone to the auditory meatus of the other people can be approximately considered to be equal, and far-field sound is transmitted, and at this time, the sound pressure of the first sound leakage hole 200Sound pressure with the second sound release hole group 300The phase is opposite, the amplitude is approximately equal, so that the total sound pressure at the auditory canal of other personnel after superposition is approximately 0, other personnel around the auditory canal can not hear the sound emitted by the earphone, and the effect of preventing sound leakage is realized; conversely, for the user himself, the five sound holes are very close to the user's own auditory meatus, so the differences in distance and angle between them from the auditory meatus are not negligible, and these differences also cause the sound pressure of the anterior chamber sound outletSound pressure with rear cavity sound release holeThe phases are not strictly opposite, and the amplitudes are also greatly different, so that the total sound pressure at the ear canal opening of the user after superpositionAnd the scheme of four second sound leakage holes is different from 0, so that a user can listen to music normally, and compared with the traditional single-rear-cavity sound leakage hole or double-rear-cavity sound leakage hole, the scheme of four second sound leakage holes has higher freedom degree and better effect for restraining the sound leakage of the earphone.
Specifically, the front cavity sound outlet of the conventional open earphone, that is, the first sound outlet 200 in this embodiment, is usually not at the right center of the front cavity casing surface of the earphone, but only slightly downward, so as to face the ear canal opening of the user, thereby achieving the purpose of maximizing the unobstructed transmission of sound waves. In order to consider the appearance, the traditional open earphone can be directly opened at the center of the rear cavity shell if the earphone is provided with a single rear cavity sound discharging hole, and the two holes are generally distributed vertically symmetrically according to the central line of the back of the earphone if the earphone is provided with a double rear cavity sound discharging hole, namely the two holes are respectively positioned on the upper side and the lower side of the back shell of the earphone. Therefore, the distances between the traditional double-rear-cavity sound leakage holes and the user auditory meatus are not equal, so that phase difference can be brought to a certain extent, and the suppression of sound leakage is not facilitated.
In other preferred embodiments, a damping mesh 400 may be further disposed on each of the second sound release holes in the second sound release hole group 300, and by adjusting the damping mesh 400 on the four second sound release holes, the phase of the sound wave transmitted from the sound source of each second sound release hole to the outside may be additionally optimized. For example, the second sound discharging hole d330 and the second sound discharging hole e340 which are closer to the first sound discharging hole 200a are preferably meshed with high acoustic damping, the second sound discharging hole b310 and the second sound discharging hole c320 which are farther from the first sound discharging hole 200a are preferably meshed with low acoustic damping so as to compensate the phase difference of sound waves transmitted to the outside through four holes and enable the sound waves to be in the same phase as much as possible, and therefore the sound wave phase transmitted to the outside through the first sound discharging hole 200a is more close to the inverse superposition so as to achieve the minimum sound leakage effect.
Still further, the second sound discharging holes b310, c320 or d330, e340 may also cover different sound damping mesh fabrics, so as to fine tune the sound wave phases of the four holes at different angles, so as to achieve the leakage sound eliminating amount related to the angle in a targeted manner. The maximum cancellation amount can be achieved at a certain angle more sensitive to leakage.
It should be noted that, for the sake of understanding the present application, the damping mesh 400 is not labeled in fig. 3.
In summary, compared with the earphone in the prior art, the anti-sound leakage earphone provided by the first embodiment of the utility model has at least the following beneficial effects:
Through arranging the first sound leakage hole 200 and the second sound leakage hole group 300 on the earphone body 100 of the sound leakage prevention earphone in the embodiment, a plurality of second sound leakage holes in the first sound leakage hole 200 and the second sound leakage hole group 300 can be matched with the first sound leakage hole 200, so that the sound wave transmission of a multipole sound source is realized.
Second embodiment
Referring to fig. 4, a second embodiment provides a sound-proof earphone, which is different from the sound-proof earphone in the first embodiment in that in the present embodiment;
The second sound leakage holes in the second first sub-end surface 121 and the second sound leakage holes in the second sub-end surface 122 are asymmetrically arranged;
And the distance between each second sound-discharging hole in the second sub-end surface 121 and the first sound-discharging hole 200 is equal to the distance between each second sound-discharging hole in the second sub-end surface 122 and the first sound-discharging hole 200.
Specifically, in this embodiment, the second sound-discharging hole group 300 may also adopt 4 second sound-discharging holes, and the second sound-discharging holes b310, c320, d330 and e340, where the four second sound-discharging holes are asymmetrically arranged, and the distances between each second sound-discharging hole and the first sound-discharging hole 200 are equal, so that the four second sound-discharging holes can all cover the same damping mesh 400, thereby not only achieving the optimal sound-discharging inhibition effect, but also reducing the number of models of the damping mesh 400, facilitating the production line operation, and reducing the production cost.
It should be noted that, for the sake of understanding the present application, the damping mesh 400 is not labeled in fig. 4.
In summary, compared with the anti-sound leakage earphone provided by the first embodiment, the anti-sound leakage earphone provided by the second embodiment of the utility model has at least the following beneficial effects:
In this embodiment, the positions of each second sound leakage hole in the second sound leakage hole group 300 are limited, so that an optimal sound leakage suppression effect is achieved, the number of types of the materials of the damping mesh 400 can be reduced, the line production operation is facilitated, and the production cost is reduced.
In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The foregoing examples illustrate only a few embodiments of the utility model, which are described in detail and are not to be construed as limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model. Accordingly, the scope of protection of the present utility model is to be determined by the appended claims.
Claims (8)
1. The anti-sound leakage earphone is characterized by comprising an earphone body, and a first sound leakage hole and a second sound leakage hole group which are arranged on the earphone body;
The earphone body comprises a first end face and at least two second end faces, the two second end faces are oppositely arranged, the first sound leakage holes are formed in the first end face, and the second sound leakage hole groups are formed in the second end face;
The second sound leakage hole group in each second end face comprises two or more second sound leakage holes, the second sound leakage holes are used for being far away from the auditory canal, and the first sound leakage holes are used for being close to the auditory canal.
2. The anti-sound earphone of claim 1, wherein the second end face comprises a second first sub-end face and a second sub-end face, the second first sub-end face and the second sub-end face being disposed opposite each other.
3. The sound leakage preventing earphone of claim 2, wherein a portion of the second sound leakage holes in the second sound leakage hole group are disposed on the second first sub-end surface, and a second sound leakage hole in another portion of the second sound leakage hole group is disposed on the second sub-end surface.
4. The sound leakage preventing earphone of claim 3 wherein the second sound leakage hole in the second first sub-end surface and the second sound leakage hole in the second sub-end surface are symmetrically disposed.
5. The anti-sound leakage earphone of claim 4, wherein a distance between each of the second sound leakage holes in the second sub-end face and the first sound leakage hole is greater than a distance between each of the second sound leakage holes in the second sub-end face and the first sound leakage hole.
6. The sound leakage preventing earphone of claim 3, wherein the second sound leakage hole in the second first sub-end surface and the second sound leakage hole in the second sub-end surface are asymmetrically arranged.
7. The anti-sound leakage earphone of claim 6, wherein a distance between each of the second sound leakage holes in the second sub-end surface and the first sound leakage hole is equal to a distance between each of the second sound leakage holes in the second sub-end surface and the first sound leakage hole.
8. The anti-sound earphone of claim 1, wherein: and damping mesh cloth is arranged on each second sound leakage hole in the second sound leakage hole group.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420240221.5U CN221710056U (en) | 2024-01-31 | 2024-01-31 | Sound leakage prevention earphone |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420240221.5U CN221710056U (en) | 2024-01-31 | 2024-01-31 | Sound leakage prevention earphone |
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| Publication Number | Publication Date |
|---|---|
| CN221710056U true CN221710056U (en) | 2024-09-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202420240221.5U Active CN221710056U (en) | 2024-01-31 | 2024-01-31 | Sound leakage prevention earphone |
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| Country | Link |
|---|---|
| CN (1) | CN221710056U (en) |
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- 2024-01-31 CN CN202420240221.5U patent/CN221710056U/en active Active
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