CN218301624U

CN218301624U - Filtering and leakage structure for multi-unit in-ear earphone

Info

Publication number: CN218301624U
Application number: CN202222912060.3U
Authority: CN
Inventors: 梁权诚
Original assignee: Nanning Heavy Hammer Technology Co ltd
Current assignee: Nanning Heavy Hammer Technology Co ltd
Priority date: 2022-11-02
Filing date: 2022-11-02
Publication date: 2023-01-13
Anticipated expiration: 2032-11-02

Abstract

The utility model belongs to the technical field of the earphone, concretely relates to a filtering and leakage structure for polycell pleasant formula earphone uses, including the earphone shell, earphone shell inner chamber bottom surface sets up support piece, support piece upper portion adaptation speaker, speaker divide into speaker antetheca and speaker back cavity with the interior cavity of earphone shell, speaker back cavity bottom avris intercommunication side filtering channel's one end, the side filtering channel other end intercommunication speaker antetheca bottom avris, speaker antetheca bottom middle part intercommunication the place ahead filtering channel one end, the place ahead filtering channel other end sets up the earphone and goes out the sound mouth, the utility model provides a filtering linking point control, the adjustment of decay slope cause the earphone structure complicated, adjust loaded down with trivial details and the ear pressure is big, listen the poor problem of travelling comfort.

Description

Filtering and leakage structure for multi-unit in-ear earphone

Technical Field

The utility model relates to an earphone technical field, concretely relates to a filtering and leakage structure for multiunit in-ear earphone uses.

Background

A multi-unit in-ear headphone refers to a headphone manufactured by combining a plurality of speakers, and the common is: the coil iron earphone is manufactured by mixing a moving coil and a moving iron; the multi-moving-iron earphone is manufactured by mixing a plurality of moving irons in charge of different frequency bands; a ring static iron earphone is an earphone which is manufactured by mixing a moving coil, a moving iron and an electrostatic loudspeaker, a traditional multi-unit in-ear earphone is often in a completely closed state of a front cavity, a leakage hole is not reserved, ear pressure is large when the earphone is worn, the listening comfort degree is influenced, the traditional multi-unit in-ear earphone is generally built for carrying out filter design on a low-frequency unit through a filter circuit, the connection point of low-frequency filtering is controlled through adjusting the capacitance and the resistance value of the circuit, and the attenuation slope is adjusted through increasing the order of the circuit, so that the earphone is complex in structure, complex in adjustment and high in cost.

SUMMERY OF THE UTILITY MODEL

To the above problem, the utility model provides a filtering and leakage structure for multiunit in-ear earphone uses solves traditional multiunit in-ear earphone ear and presses greatly, listens the comfort level poor, realizes that the adjustment of filtering engagement point control, decay slope causes the earphone structure complicated, adjusts loaded down with trivial details, with high costs scheduling problem.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a filtering and leakage structure for polycell in-ear earphone uses, including earphone shell, earphone shell inner chamber bottom surface sets up support piece, support piece upper portion adaptation speaker, speaker fall into speaker antetheca and speaker back cavity with earphone shell's interior cavity, speaker back cavity bottom avris intercommunication side filtering channel's one end, the side filtering channel other end intercommunication speaker antetheca bottom avris, speaker antetheca bottom middle part intercommunication the place ahead filtering channel one end, the place ahead filtering channel other end sets up earphone sound outlet.

The utility model discloses technical scheme's further improvement lies in: any one of the two ends of the front filtering channel is provided with a front filtering channel filtering net.

The utility model discloses technical scheme's further improvement lies in: and any one of two ends of the lateral filtering channel is provided with a lateral filtering channel filter screen.

The utility model discloses technical scheme's further improvement lies in: the side filtering channel is any one of U-shaped, upper opening O-shaped and upper opening square.

The utility model discloses technical scheme's further improvement lies in: the upper end face of the rear cavity of the loudspeaker is provided with a leakage hole.

The utility model discloses technical scheme's further improvement lies in: the earphone shell, the supporting piece in the cavity, the front filtering channel, the side filtering channel and the earphone sound outlet are integrally formed.

Compared with the prior art, the utility model provides a pair of a filtering and leak structure beneficial effect for multiunit in-ear earphone uses as follows:

1. the utility model provides a filtering and leakage structure for polycell in-ear earphone uses, this structure passes through the regulation of speaker, dead ahead filtering channel, side filtering channel, dead ahead filtering channel damping net, side filtering channel damping net, can carry out accurate regulation with unit sound production acoustic pressure and low pass filter attenuation slope, and then can be through simple and easy modification damping net, can easily reach the target frequency response when letting unit work in polycell earphone, simple structure, the adjustment is simple.

2. The utility model provides a filtering and leakage structure for polycell in-ear earphone uses, this structure is through side filtering channel, dead ahead filtering channel, the leakage hole that sets up, earphone play sound hole, damping net mutually support, has solved ante-chamber leakage problem, passes through the filter structure with the atmospheric pressure in ante-chamber and leaks, lets wear more comfortablely.

3. The utility model provides a filtering and leakage structure for multiunit in-ear earphone uses, support piece, the place ahead filtering passageway in the earphone shell of this structure, cavity, side filtering passageway and earphone play sound mouth homogeneous body shaping, its integrated technology is through technical realization such as high accuracy 3D prints, and the manufacturing approach that 3D printed has reduced the processing cost, and can ensure the passageway diameter, and specific parameters such as angle and coordinate highly uniform have guaranteed the precision of earphone structure.

Drawings

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

Fig. 1 is a schematic diagram of a filtering and leakage structure for a multi-unit in-ear headphone.

The labels in the figure are: 1-loudspeaker, 2-loudspeaker back cavity, 3-loudspeaker front cavity, 4-side acoustic filtering channel filter screen, 5-front filtering channel, 6-side acoustic filtering channel, 7-front filtering channel filter screen, 8-support, 9-earphone sound outlet, 10-earphone shell, 11-leakage hole.

Detailed Description

The technical solution of the present invention will be described clearly and completely through the following detailed description. It is to be understood that the disclosed embodiments are merely exemplary of the invention, and are not intended to limit the invention to the precise embodiments disclosed. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without making creative efforts belong to the protection scope of the present invention.

As shown in fig. 1, the present embodiment provides a filtering and leakage structure for a multi-unit in-ear earphone, including an earphone housing 10, a support 8 is disposed on a bottom surface of an inner cavity of the earphone housing 10, the upper portion of the support 8 is adapted to a speaker 1, the speaker 1 divides an inner cavity of the earphone housing 10 into a speaker front cavity 3 and a speaker rear cavity 2, a bottom end side of the speaker rear cavity 2 is communicated with one end of a side filtering channel 6, another end of the side filtering channel 6 is communicated with a bottom end side of the speaker front cavity 3, a bottom middle portion of the speaker front cavity 3 is communicated with one end of a front filtering channel 5, another end of the front filtering channel 5 is provided with an earphone sound outlet 9, the earphone sound outlet 9 is inserted into an ear canal through an earphone sound outlet nozzle, a front filtering channel 7 is disposed in the earphone sound outlet 9, the front filtering channel 7 can also be disposed at another end of the front filtering channel 5, i.e. one end communicated with a bottom end of the speaker front cavity 3, the structure is used for controlling a low-pass filtering attenuation slope of the unit, a side filtering channel 6 is communicated with one end side filtering channel 4, a sound outlet 11 is disposed at another end of the speaker rear end of the speaker 2, and a sound outlet of the side filtering channel 2 is used for adjusting sound output volume of the speaker 2; the filter structure formed by the leakage hole 11, the side filtering channel 6, the front filtering channel 5, the earphone sound outlet 9, the front filtering channel filtering net 7 and the side filtering channel filtering net 4 can adjust the low-frequency sound pressure and the attenuation slope without adjusting a filtering circuit, and the unit sounding sound pressure and the low-pass filtering attenuation slope can be accurately adjusted through adjusting the loudspeaker, the front filtering channel, the side filtering channel, the right front filtering channel damping net and the side filtering channel damping net, so that the damping net can be simply modified, the unit can easily reach the target frequency response when working in a multi-unit earphone, and further, the acoustic damping coefficient can be adjusted through modifying the diameter and the length of the filtering channel to control the frequency response output by the loudspeaker; the frequency response of the loudspeaker can be flexibly modified by modifying the damping net, and a better effect can be achieved by matching with circuit frequency division, so that the loudspeaker is simple in structure, simple to adjust and good in effect; on the other hand has solved the speaker front chamber simultaneously and has leaked the problem, can leak the filtration structure that the atmospheric pressure of front chamber constitutes through the filter screen that sets up by the filter passageway in the place ahead and the filter screen that sets up, side filter passageway and the filter screen that sets up in it, let leak the hole, earphone sound outlet, reduced the pressure to the ear chamber, let wear more comfortable.

Further, the side filtering channel 6 is any one of U-shaped, O-shaped with an upper opening, and square with an upper opening, and the functions of pressure equalization and filtering of the side filtering channel 6 can be realized.

Furthermore, the earphone shell 10, the support piece 8 in the cavity, the front filtering channel 5, the side filtering channel 6 and the earphone sound outlet 9 are integrally formed _， The integrated process is realized by high-precision 3D printing and other technologies, the manufacturing mode of 3D printing reduces the processing cost, and the specific parameters such as the diameter and the angle of a channel and the coordinates can be ensuredThe height is consistent, and the precision of the earphone structure is guaranteed.

Furthermore, the structure can be applied to any low-frequency loudspeaker in a multi-unit earphone.

The above-mentioned embodiments are only described for the preferred embodiments of the present invention, but not for limiting the scope of the present invention, and various modifications and improvements made by those skilled in the art without departing from the design spirit of the present invention should fall into the protection scope defined by the device claims of the present invention.

Claims

1. The utility model provides a filtering and leakage structure for multiunit in-ear earphone uses, a serial communication port, including earphone shell (10), earphone shell (10) inner chamber bottom surface sets up support piece (8), support piece (8) upper portion adaptation speaker (1), speaker (1) falls into speaker antechamber (3) and speaker back chamber (2) with the interior cavity of earphone shell (10), speaker back chamber (2) bottom avris intercommunication side filtering channel's (6) one end, side filtering channel (6) other end intercommunication speaker antechamber (3) bottom avris, speaker antechamber (3) bottom middle part intercommunication place ahead filtering channel (5) one end, place ahead filtering channel (5) other end sets up earphone sound outlet (9).

2. A filtering and leakage structure for use in a multi-element in-ear headphone according to claim 1, characterized in that: and a front filtering channel filtering net (7) is arranged at any one of the two ends of the front filtering channel (5).

3. A filtering and leakage structure for use in a multi-element in-ear headphone according to claim 1, characterized in that: and any one of two ends of the side filtering channel (6) is provided with a side filtering channel filtering net (4).

4. A filtering and leakage structure for use in a multi-element in-ear headphone according to claim 1, characterized in that: the lateral filtering channel (6) is any one of U-shaped, O-shaped with an upper opening and square with an upper opening.

5. A filtering and leakage structure for use in a multi-element in-ear headphone according to claim 1, characterized in that: and the upper end surface of the rear cavity (2) of the loudspeaker is provided with a leakage hole (11).

6. A filtering and leakage structure for use in a multi-unit in-ear headphone according to claim 1, the headphone housing (10), the in-cavity support (8), the front filtering channel (5), the side filtering channels (6) and the headphone sound outlet (9) being integrally formed.