KR20220072466A - Earphone having speakers - Google Patents

Abstract

The present invention relates to an earphone having a plurality of speakers, and more particularly, to an earphone having an improved sound listening feeling by incorporating a plurality of speakers. An earphone according to an embodiment of the present invention includes a speaker fixture fixedly disposed in an inner space formed by a lower housing and an upper housing, a first speaker accommodated in the speaker fixture, and a second speaker accommodated in the speaker fixture spaced apart from the first speaker A support located on the upper surface of the plate part, and a plate part including a speaker, the speaker fixture having a first through hole formed therein, and supporting rings respectively protruding upward and downward along the circumference of the first through hole on the upper surface and the lower surface It surrounds the periphery of the ring and includes a cover part that partially covers the first through hole, is coupled to the cover part, forms a space communicating with the first through hole, and has a second through hole and a third through hole communicating with the space It is characterized in that it includes a cover portion, the first speaker is disposed in the first through hole, and the second speaker is disposed in the second through hole.

Description

Earphones with multiple speakers {EARPHONE HAVING SPEAKERS}

The present invention relates to an earphone having a plurality of speakers, and more particularly, to an earphone having an improved sound listening feeling by incorporating a plurality of speakers.

Earphones are wired or wirelessly connected to a sound source listening device and convert the electrical signal received from the sound source audit device into a sound signal through a built-in speaker, and are manufactured in a form that can be placed on the ear.

A dynamic speaker or a BA speaker is mainly built-in in earphones. A dynamic speaker is a speaker that generates an electromotive force proportional to the current through a voice current in a conductor placed in a strong magnetic field to obtain sound output. The BA speaker is a speaker that obtains sound output through vibration of a metal plate, and has the advantage of delivering voice clearly and distinctly.

Traditionally, a dynamic speaker or a BA speaker has been selectively employed as an earphone, but earphones employing a plurality of speakers are being proposed to improve sound quality.

However, the conventional earphone employing a plurality of speakers has a problem in that the speakers are arranged in the front-rear direction on the same line in the accommodation space, and thus the listening feeling is deteriorated due to acoustic interference.

Accordingly, there has been a demand for an earphone having a plurality of speakers, but having a structure of a fixture for fixing the speaker and a speaker arrangement form different from those of the prior art to minimize acoustic interference.

Korean Patent No. 10-1427043

An object of the present invention is to provide an earphone which has a plurality of speakers and minimizes acoustic interference by different from the prior art in a structure of a fixture for fixing the speaker and an arrangement of the speaker.

The technical problems to be achieved by the present invention are not limited to the technical problems mentioned above, and other technical problems not mentioned can be clearly understood by those of ordinary skill in the art to which the present invention belongs from the description below. There will be.

In order to achieve the above technical object, an embodiment of the present invention provides a lower housing, an upper housing coupled to the lower housing, a speaker fixture fixedly disposed in an inner space formed by the lower housing and the upper housing, and a speaker fixture accommodated in the speaker fixture It includes a first speaker and a second speaker spaced apart from the first speaker and accommodated in the speaker fixture, wherein the speaker fixture has a first through hole formed therein, and moves upwards and downwards along the circumference of the first through hole on the upper and lower surfaces, respectively. A plate portion provided with a protruding ring formed protruding, a cover portion surrounding the outer periphery of the protrusion ring located on the upper surface of the plate portion and partially covering the first through hole, coupled to the upper surface of the cover portion, and formed between the cover portion Forming a space communicating with the first through-hole, and including a cover part having a second through-hole and a third through-hole communicating with the space, a first speaker is disposed in the first through-hole, and a second through-hole is An earphone in which a speaker is disposed is provided.

In one embodiment of the present invention, the speaker fixture may be formed of a silicone material.

In one embodiment of the present invention, a pair of fixing grooves are recessed at positions symmetrical with respect to the center on the upper surface of the plate part, and a pair of fixing protrusions protrude from the lower surface at positions symmetrical with respect to the center. is formed, and a stepped edge may be formed continuously along the circumferential direction of the outer periphery.

In one embodiment of the present invention, the second through-hole may be formed in a diagonal direction with respect to the central axis of the first through-hole, and a support protrusion protruding inward along the inner periphery may be formed.

In one embodiment of the present invention, the third through-hole is formed over the upper surface and the side, and may face a different direction from the second through-hole.

According to an embodiment of the present invention, by disposing two speakers in different spaces within the speaker fixture and emitting sound in mutually different directions, acoustic interference between the speakers can be minimized to improve the listening feeling.

In addition, in the present invention, the speaker fixture is formed of a silicone material, and by absorbing and dissipating unnecessary vibration of the speaker, sound quality deterioration due to vibration does not occur.

It should be understood that the effects of the present invention are not limited to the above-described effects, and include all effects that can be inferred from the configuration of the invention described in the detailed description or claims of the present invention.

1 is an exploded perspective view of an earphone according to an embodiment of the present invention.
2 is a cross-sectional view of an earphone according to an embodiment of the present invention.
3 is a front view of a speaker fixture according to an embodiment of the present invention.
4 is a right side view of a speaker fixture according to an embodiment of the present invention.
5 is a left side view of a speaker fixture according to an embodiment of the present invention.
6 is a plan view of a speaker fixture according to an embodiment of the present invention.
7 is a bottom view of a speaker fixture according to an embodiment of the present invention.
8 is a cross-sectional view of the speaker fixture taken along line A-A' of FIG. 6 .

Hereinafter, the present invention will be described with reference to the accompanying drawings. However, the present invention may be embodied in several different forms, and thus is not limited to the embodiments described herein. And in order to clearly explain the present invention in the drawings, parts irrelevant to the description are omitted, and similar reference numerals are attached to similar parts throughout the specification.

Throughout the specification, when a part is said to be “connected (connected, contacted, coupled)” with another part, it is not only “directly connected” but also “indirectly connected” with another member interposed therebetween. Including cases where In addition, when a part "includes" a certain component, this means that other components may be further provided, rather than excluding other components, unless otherwise stated.

The terminology used herein is used only to describe specific embodiments, and is not intended to limit the present invention. The singular expression includes the plural expression unless the context clearly dictates otherwise. In the present specification, terms such as “comprise” or “have” are intended to designate that a feature, number, step, operation, component, part, or combination thereof described in the specification exists, but one or more other features It should be understood that this does not preclude the existence or addition of numbers, steps, operations, components, parts, or combinations thereof. In addition, terms such as "...unit" and "module" described in the specification mean a unit that processes at least one function or operation, which may be implemented as hardware or software, or a combination of hardware and software. .

Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings.

1 is an exploded perspective view of an earphone 1 according to an embodiment of the present invention, and FIG. 2 is a cross-sectional view of the earphone 1 according to an embodiment of the present invention.

The earphone (1) of the present invention has improved sound listening feeling by incorporating a plurality of speakers, and includes a lower housing (10), an upper housing (20), a speaker fixture (30), a first speaker (40), and a second speaker ( 50) may be included.

The lower housing 10 and the upper housing 20 are components that provide an inner space in which the first speaker 40 and the second speaker 50 are built, and may be coupled to each other.

The lower housing 10 may have a space 11 open upwards, and a communication unit (not shown) for wireless connection may be built-in or an earphone cable (not shown) for wired connection may be inserted.

The upper housing 20 may have a space 21 open downward, and the upper housing 20 may be coupled to cover the open space 11 of the lower housing 10 . In addition, the upper housing 20 may be formed with a sound outlet 22 communicating with the space 21 that is opened downwardly at the upper portion, and the sound outlet 22 is directed outward for fixing the ear tip (not shown). A protrusion 23 may be formed.

In addition, the lower housing 10 may be formed with a stopping protrusion 12 that continuously protrudes upward along the inner circumference of the upper surface, and the upper housing 20 is continuously depressed upward along the inner circumference of the lower surface. A locking groove 24 may be formed. In this case, the locking groove 24 may be formed over the lower surface and the inner surface of the upper housing 20 .

The lower housing 10 and the upper housing 20 may be coupled to each other by a locking protrusion 12 inserted into the locking groove 24 .

The speaker fixture 30 is a component for fixing the first speaker 40 and the second speaker 50 , and may be disposed in an inner space formed by the lower housing 10 and the upper housing 20 .

The first speaker 40 and the second speaker 50 are components that convert an electrical signal into an acoustic signal and provide, and may be accommodated in the speaker fixture 30 . The first speaker 40 and the second speaker 50 may be spaced apart from each other and accommodated in the speaker fixture 30 . In this case, it is preferable that the first speaker 40 is a dynamic speaker, and the second speaker 50 is a BA speaker, a micro speaker, or a condenser speaker, but is not necessarily limited thereto.

Hereinafter, the speaker fixture 30 will be described in detail with reference to FIGS. 3 to 8 .

The speaker fixture 30 may include a plate part 31 , a cover part 32 , and a cover part 33 .

The plate part 31 has a circular flat plate shape, and the first through hole 311 may be formed at a position eccentric from the center.

In addition, the plate part 31 may be provided with a protrusion ring 312a protruding upward along the circumference of the first through hole 311 on the upper surface, and protruding downward along the circumference of the first through hole 311 on the lower surface. A protrusion ring 312b may be provided. In this case, the protrusion ring 312a protruding upward may have a lower height than the protrusion ring 312b protruding downward.

The cover part 32 may surround the outer circumference of the protrusion ring 312a located on the upper surface of the plate part 31 , and may cover a portion of the upper end of the first through hole 311 . At this time, the cover part 32 may cover the outer surface and the upper surface of the protrusion ring (312a).

The cover part 33 may be coupled to the upper surface of the cover part 32 to form a space 331 communicating with the first through hole 311 between the cover part 32 and communicating with the space 331 . and may have a second through hole 332 and a third through hole 333 .

Here, the central axis of the second through hole 332 may be formed in an oblique direction with respect to the central axis of the first through hole 311 , and a support protrusion 3321 protruding inward along the inner periphery is formed. can be The third through-hole 333 is formed over the upper surface and the side, and may face a different direction from the second through-hole 332 .

The first speaker 40 may be disposed in the first through hole 311 to be fitted, and the second speaker 50 may be disposed in the second through hole 332 to be fitted. At this time, the first speaker 40 may be prevented from moving into the space 331 by the cover part 32 , and the second speaker 50 may be moved into the space 331 by the support protrusion 3321 . This can be prevented.

The sound output by the first speaker 40 may pass through the space 331 , through the third through hole 333 , and may be transmitted to the outside through the sound outlet 22 , and output by the second speaker 50 . The generated sound may be transmitted to the outside through the sound outlet 22 through the second through hole 332 . That is, the two speakers 40 and 50 fixed to the speaker fixture 30 may emit sound in different directions.

For this reason, the earphone 1 of the present invention can not only minimize the acoustic interference between the speakers even when a plurality of speakers 40 and 50 are used, but also can be partially replaced when the speakers 40 and 50 fail.

According to an embodiment of the present invention, a pair of fixing grooves 313 may be recessed at positions symmetrical with respect to the center on the upper surface of the plate part 31, and the lower surface of the plate part 31 may be symmetrically formed with respect to the center. A pair of fixing protrusions 314 may be formed to protrude in the position.

In more detail, the fixing groove 313 and the fixing protrusion 314 may be coupled to each other at positions symmetrical with respect to the center line dividing the cover part 33 in half. In addition, the fixing groove 313 and the fixing protrusion 314 may be located on the same line.

In the lower housing 10, a fixing groove 13 into which the fixing projection 314 is inserted may be recessed at a position corresponding to the fixing projection 314, and the upper housing 20 is inserted into the fixing groove 313. A fixing protrusion (not shown) may be formed to protrude.

In addition, the plate part 31 may be continuously formed with a stepped edge 315 along the circumferential direction of the outer periphery. The stepped edge 315 may be disposed in the space between the locking groove 24 and the locking protrusion 12 .

That is, the position of the speaker fixture 30 may be fixed on the inner space of the lower housing 10 and the upper housing 20 by the fixing protrusion 314 , the fixing groove 313 , and the stepped edge 315 . .

The speaker fixture 30 is formed of a silicon material, and can absorb and eliminate unnecessary vibrations of the speakers 40 and 50 . That is, the speaker fixture 30 can prevent deterioration of sound quality due to vibration.

Meanwhile, in the speaker fixture 30 , the plate part 31 , the cover part 32 , and the cover part 33 may be integrally formed by injection molding.

The description of the present invention described above is for illustration, and those of ordinary skill in the art to which the present invention pertains can understand that it can be easily modified into other specific forms without changing the technical spirit or essential features of the present invention. will be. Therefore, it should be understood that the embodiments described above are illustrative in all respects and not restrictive. For example, each component described as a single type may be implemented in a dispersed form, and likewise components described as distributed may be implemented in a combined form.

The scope of the present invention is indicated by the following claims, and all changes or modifications derived from the meaning and scope of the claims and their equivalents should be construed as being included in the scope of the present invention.

1: Earphone
10: lower housing
20: upper housing
30: speaker fixture
40: first speaker
50: second speaker

Claims (5)

a lower housing;
an upper housing coupled to the lower housing;
a speaker fixture fixedly disposed in an inner space formed by the lower housing and the upper housing;
a first speaker accommodated in the speaker fixture;
and a second speaker accommodated in the speaker fixture spaced apart from the first speaker,
The speaker fixture,
A plate portion in which a first through hole is formed and protrusion rings respectively protruding upward and downward along the circumference of the first through hole on the upper surface and the lower surface are provided;
a cover part surrounding the outer periphery of the protrusion ring located on the upper surface of the plate part and partially covering the first through hole;
It is coupled to the upper surface of the cover portion, forms a space communicating with the first through hole between the cover portion and includes a cover portion having a second through hole and a third through hole communicating with the space,
The earphone having a plurality of speakers, characterized in that the first speaker is disposed in the first through hole, and the second speaker is disposed in the second through hole.
According to claim 1,
The speaker fixture is an earphone having a plurality of speakers, characterized in that formed of a silicone material.
According to claim 1,
The plate portion, a pair of fixing grooves are recessed at positions symmetrical with respect to the center on the upper surface, and a pair of fixing protrusions are formed on the lower surface at positions symmetrical with respect to the center to protrude, and the outer periphery direction An earphone having a plurality of speakers, characterized in that the stepped edge is continuously formed along the.
According to claim 1,
The second through-hole is formed in a diagonal direction with respect to the central axis of the first through-hole, and a support protrusion protruding inwardly along an inner periphery is formed.
According to claim 1,
The third through-hole is formed over an upper surface and a side surface, and the earphone having a plurality of speakers, characterized in that it faces a different direction from the second through-hole.

Images