CN106878846B - multi-track stereo earphone structure - Google Patents

Abstract

The invention provides a multi-track stereo headphone structure. The headphone body mainly includes: a built-in speaker and its connected resonant cavity, and also includes at least one bass hole located in the middle of the surrounding lower part of the resonant cavity; and at least one treble hole. , located in the middle of the resonant cavity, and a plurality of midrange holes surrounding the sound hole plate in front of the speaker. The middle of the sound hole plate is a solid piece facing the center of the speaker's diaphragm, and The apertures of the multiple midrange holes are gradually reduced from bottom to top, and are spaced around the periphery of the solid piece. Through this, the special and effective opening design on the headphone body makes it possible to achieve as many features as a high-end audio set. Track stereo surround sound output effect.

Description

Multi-track Stereo Headphone Structure

technical field

The invention relates to a multi-track stereo earphone structure, in particular to the earphone with a special hole design on the earphone body, which can achieve the output effect of multi-track stereo surround sound.

Background technique

With the continuous advancement of science and technology, related audio-visual electronic products are developing towards the trend of light weight and miniaturization, providing people with entertainment and entertainment anytime, anywhere. In order to facilitate listening to audio-visual information without disturbing others, earphones have become a necessary accessory for electronic products. And many different types have been developed: such as earmuffs, earhooks, headbands and in-ears.

Listening with headphones can provide better sound transmission effect, effectively overcome the unclear situation caused by sound transmission in the air, especially in noisy environments or intense sports such as in factories, driving, playing ball, jogging, etc. As long as the user puts on the earphone, he can still hear the content of the sound clearly without being affected by the external environment.

However, the various existing earphone structures are not yet perfect in the design of sound field changes. For example, as shown in FIG. The output effect of high-bass stereo, but cannot provide the output effect of imitating the multi-channel speaker stereo of high-end audio. For music appreciators who value sound quality, the existing headphone design cannot meet the requirements of pursuing immersive effects for music lovers. .

In fact, as early as more than ten years ago, after the successful reform of subwoofer sound effect, high-end products imitating 7.1 speaker audio have been launched in the earphone market, but the overall planning of the existing structure is not yet proper, and the subwoofer in the machine completely affects The performance of the midrange and treble has been compromised, but the sound effects are greatly disturbed and cannot be fully displayed, which is the defect that causes the original sound to be unable to be reproduced.

Contents of the invention

In view of this, the main purpose of the present invention is to provide a multi-track stereo earphone structure, the earphone body mainly includes: a built-in speaker and its connected resonant cavity, also includes at least one bass hole, located at the lower ring of the resonant cavity At least one treble hole is located in the middle of the upper ring of the resonant cavity, and; a plurality of mid-tone holes surround the sound hole plate in front of the speaker, and the middle of the sound hole plate is a solid piece Directly facing the center of the diaphragm of the speaker, the diameters of the multiple mid-tone holes are gradually reduced from bottom to top, and are distributed around the periphery of the solid sheet at intervals.

Wherein, the earphone is one of a wireless type and a wired type.

Wherein, the earphone is further set as an in-ear type, and has a bass hole with an aperture of Φ1.5~2mm, a treble hole with an aperture of Φ0.5~0.6mm, and the apertures of the multiple midrange holes are in the range of Φ1~1.3 mm, the configuration quantity is 8~10.

Wherein, the earphone is one of an earmuff type, an ear-hook type, and a headband type.

Among them, the aperture range of the bass hole is between Φ3~7mm; the aperture range of the multiple mid-tone holes is between Φ2~4.5mm, and the number is 8~20; and the aperture range of the treble hole is Φ1~ Between 2mm, the number is 2~5, and the intervals are arranged in the middle of the upper ring of the resonant cavity and the angle between the two sides.

Among them, the aperture of the bass hole is further set to Φ6mm; the aperture of the tweeter hole is set to Φ1.5mm, and the number of configurations is set to 3, which are distributed at 30-degree intervals from the middle to the left and right angles; and the configuration of the mid-tone hole The quantity is 16, the hole diameter of the single mid-tone hole above the solid piece is Φ2mm, the hole diameter of the single mid-tone hole under the solid piece is Φ4mm, and the mid-tone holes surrounding each layer on both sides of the solid piece from bottom to top The hole diameter is reduced to Φ0.125mm in turn, and the hole diameter of the mid-range holes opposite to each other in the middle of the solid sheet is Φ3mm.

Wherein, the earphone is further set as an earmuff type, which includes: a headband, each of its two ends has a support arm, to set up two aforementioned earphone bodies with earmuffs.

In this way, with the special and effective opening design on the headphone body, the bass hole is set to 1.5~5mm, and at the same time it can be used as the air outlet of the resonance cavity. The size setting depends on the size of the speaker unit 1~4cm. Functionally In addition to being used as a bass sound hole, it can also prevent the airflow generated by the vibration of the rubber film in the resonance cavity from being trapped in the cavity and rebounding, which will affect the weakening of the high-pitched sound generated by the rubber film and the voice coil. Therefore, through the advanced technology of the present invention , can completely improve the mutual interference between different audio sounds in the existing headphone structure, so that the subwoofer and the mid-high sound no longer affect each other, and achieve the output effect of multi-track stereo surround sound like a high-end audio combination, that is, any recorded audio Sound repertoire or music, the effective structure of the present invention can actually reproduce the original sound, just like a perfect monitoring system, and also like listening to beautiful vocal music in a high-level opera house in person, achieving 100% stereo sound.

Description of drawings

Fig. 1 is a plan view of a first embodiment of the present invention.

Fig. 2 is a sectional view of the first embodiment of the present invention.

Fig. 3 is a perspective view of a second embodiment of the present invention.

FIG. 4 is a partial perspective exploded view of the second embodiment of the present invention.

Fig. 5 is a plan view of the speaker body of the second embodiment of the present invention.

FIG. 6 is a cross-sectional view of the speaker body of the second embodiment of the present invention.

Fig. 7 is an application example diagram of the second embodiment of the present invention.

Fig. 8 is a plan view of a conventional speaker body.

Explanation of reference signs

1…bass hole

10...Earphone body

2…Alto hole

20...Horn

21…Sound hole plate

22…solid pieces

3…treble hole

30...resonant cavity

7…Earmuffs

8…support arm

9…Headband.

Detailed ways

To facilitate the purpose of the present invention, structural composition, application function features and effects thereof, further introduction and disclosure are made, the embodiments are given in conjunction with the accompanying drawings, and the details are as follows: a kind of multi-track stereo earphone structure set by the present invention, It can be used universally on various wireless or wired earphones, such as in-ear, earhook, headband and earmuff earphones. The structural difference is only that the actual opening size ratio will change relative to the size of the earphone body 10 , which is explained in advance.

Please refer to Fig. 1 and shown in Fig. 2, which are plan views and sectional views of the first embodiment of the present invention, wherein the earphone body 10 mainly includes: a built-in speaker 20 and a resonant cavity 30 connected thereto, wherein, also includes :

At least one bass hole 1 is located in the middle of the lower surround of the resonant cavity 30;

At least one tweeter hole 3 is located in the middle of the resonant cavity 30, and;

A plurality of middle sound holes 2 surround the sound hole plate 21 located in front of the speaker 20. In the middle of the sound hole plate 21 is a solid sheet 22 facing the center of the diaphragm of the speaker 20, and the plurality of middle sound holes 2 Apertures are gradually reduced from bottom to top, and distributed around the periphery of the solid sheet 22 at intervals;

During implementation, the solid sheet 22 can be integrally formed, or it can be formed by an additional coated circular sheet body, and the aperture of the bass hole 1 provided on the earphone body 10 is larger than the aperture of the middle sound hole 2, and larger than the treble hole. The aperture of 3 is the key feature of the design of the present invention, for example, implementing the earphone that is located in the ear type, the aperture of its optimal bass hole 1 is Φ1.5～2mm, the aperture of treble hole 3 is Φ0.5～0.6mm, and The diameters of the plurality of mid-tone holes 2 are between Φ1~1.3mm, and the optimal number of configurations is 8~10.

Thereby, with the special and effective opening design of a bass hole 1, a plurality of mid-tone holes 2 and a treble hole 3 on the earphone body 10, the output effect of multi-track stereo surround sound like a high-end audio combination can be achieved.

In addition, in a preferred implementation, the present invention is further provided for use on earphones of ear-hook type, head-mounted type and earmuff type. Wherein the aperture of this bass hole 1 can be bounded between Φ3～7mm; There are 3), and it is best to be arranged at intervals in the middle of the upper ring of the resonant cavity 30 and the angle position on both sides; and the aperture of the mid-tone hole 2 can be bounded between Φ2~4.5mm, and the mid-tone hole 2 The configuration quantity can basically be 8~20.

Please refer to Fig. 3 to Fig. 6, the present invention is set as an earmuff type earphone, has a headband 9, and a support arm 8 is respectively provided at its two ends, to set up two earphone bodies 10 with earmuffs 7, because It is comfortable to wear and has excellent sound quality, which is the type of earphone preferred by users. Therefore, this embodiment is especially used as an illustration. But the reality is not limited to this, where the best bass hole 1 on the earphone body 10 can be set to Φ6mm; Distributed at 30-degree intervals from the upper middle to the left and right angles; and the optimal number of mid-tone holes 2 is 16, with a single mid-tone hole 2 above the solid sheet 22 having a diameter of Φ2 mm, and a single mid-tone hole 2 below the solid sheet 22. The aperture of the mid-tone hole 2 is Φ4mm, and is surrounded by the two sides of the downward solid sheet 22. The aperture of the mid-tone hole 2 in each layer is successively reduced to Φ0.125mm, so that the solid sheet 22 is located in the middle of the left and right sides. The aperture of the sound hole is Φ3mm (that is, the upper and lower average apertures);

In this way, as shown in Fig. 6 and Fig. 7, the headphone body 10 naturally forms a multi-track output effect with clear layers, allowing the music output by the headphone to return to the normal sound track, and the treble, midrange, and bass meet each other in the listener's ear Inside, the listener can feel free and unrestrained, as if the effect of immersive stereo surround sound.

To sum up, the present invention has a novel structure and is easy to operate, can indeed increase efficacy, and is industrially applicable. But the above description is only a preferred embodiment of the present invention, and cannot limit the scope of the present invention; Belong to the protection scope of the present invention.

Claims (6)

1. a kind of multi-track stereo earphone structure, its earphone body mainly comprises: a built-in loudspeaker and the resonance chamber connected thereto, it is characterized in that, also comprises: At least one bass hole is located in the middle of the lower surround of the resonant cavity; At least one tweeter hole is arranged in the middle of the upper circumference of the resonant cavity, and; A number of mid-tone holes surround the sound hole plate in front of the speaker. The middle of the sound hole plate is a solid piece facing the center of the speaker’s diaphragm, and the apertures of the multiple mid-tone holes are gradually layered from bottom to top. The configuration is reduced, and the intervals are distributed around the periphery of the solid sheet; Wherein, the aperture of the bass hole on the earphone body is larger than the aperture of the mid-tone hole, and also larger than the aperture of the treble hole. 2. The multi-track stereo earphone structure according to claim 1, wherein the earphone is selected from one of wireless and wired. 3. The multi-track stereo earphone structure as claimed in claim 2, characterized in that: the earphone is further set as an in-ear type, and the aperture with a bass hole is Φ1.5-2mm, and the aperture of a treble hole is Φ0.5- 0.6mm, and the aperture range of the multiple mid-tone holes is between Φ1~1.3mm, and the number of configurations is 8~10. 4. The multi-track stereo earphone structure according to claim 2, wherein the earphone is selected from one of the earmuff type, the ear-hook type and the headband type. 5. multi-track stereo earphone structure as claimed in claim 2, is characterized in that: the aperture boundary of this bass hole is between Φ 3～7mm; The number is 8~20; and the aperture of the tweeter hole is between Φ1~2mm, the number is 2~5, and the intervals are arranged in the middle of the upper ring of the resonant cavity and the angle between the two sides. 6. The multi-track stereo earphone structure as claimed in claim 2, characterized in that: the earphone is further set as an earmuff type, which includes: a headband, each with a support arm at its two ends, to erect two For the aforementioned headphone body of the cover, the aperture of the bass hole is further set to Φ6mm; the aperture of the tweeter hole is set to Φ1.5mm, and the number of configurations is set to 3, which are distributed at intervals of 30 degrees from the middle to the left and right; and the middle The number of sound holes is 16. The diameter of the single mid-sound hole above the solid sheet is Φ2mm, and the diameter of the single mid-sound hole below the solid sheet is Φ4mm, and the interval between each layer surrounds the two sides of the solid sheet from bottom to top. The diameter of the mid-tone hole is successively reduced to Φ0.125mm, and the diameter of the mid-tone hole opposite to the left and right in the middle of the solid sheet is Φ3mm.