CN216960158U

CN216960158U - Headset with active noise reduction structure

Info

Publication number: CN216960158U
Application number: CN202220647010.4U
Authority: CN
Inventors: 李晓洪; 张英平
Original assignee: Shenzhen Shike Jinhua Electronics Co ltd
Current assignee: Shenzhen Shike Jinhua Electronics Co ltd
Priority date: 2022-03-22
Filing date: 2022-03-22
Publication date: 2022-07-12
Anticipated expiration: 2032-03-22

Abstract

The utility model discloses a headset with an active noise reduction structure, which relates to the technical field of headsets and comprises a headset, wherein two ends of the headset are both connected with stretching rods in a sliding manner, one end, far away from the headset, of each stretching rod is hinged with an earshell, an active noise reduction chip, a loudspeaker unit and a noise collection microphone are fixedly mounted inside the earshell, an annular groove is formed inside the earshell, and an auxiliary noise reduction framework is arranged inside the annular groove. Utilize the automatic resilience of the spring of establishing of cover on the flexible loop bar, can make the annular plate drive the annular earmuff and carry out angle modulation according to user's ear position for there is not the interval between left earphone shell, auris dextra casing and the people's ear, make the annular earmuff can closely laminate at user's ear, can more seal and more comfortable when wearing, strengthen sealedly around the ear, thereby reduce the sound leakage phenomenon, promote the noise reduction effect.

Description

Headset with active noise reduction structure

Technical Field

The utility model relates to the technical field of headsets, in particular to a headset with an active noise reduction structure.

Background

The head-worn earphone, as the name implies, is worn on the head, not inserted in the ear canal, and is different from the earphone of in-ear type, and it is composed of two parts, signal transmitter and earphone with signal receiving and amplifying device, usually moving coil type, the transmitter is connected with signal source, and the front stage or earphone amplifier can be connected in front of the transmitter to improve the tone quality and adjust the tone color.

Among the prior art, headphone's ear muff exists and falls the ability of making an uproar not enough, has great space between ear and the ear muff behind the area earphone, receives external noise interference easily.

SUMMERY OF THE UTILITY MODEL

The utility model provides a headset with an active noise reduction structure, which aims to solve the problems in the prior art.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a headphone with structure of making an uproar falls in initiative, includes the head and props, the equal sliding connection in both ends of head prop has tensile pole, the one end that the head propped was kept away from to tensile pole articulates there is the earlap, the inside fixed mounting of earlap has chip, loudspeaker unit, the noise collection microphone of making an uproar falls in the initiative, the ring channel has been seted up to the inside of earlap, the inside of ring channel is provided with the supplementary framework of making an uproar of falling.

Furthermore, the model of the active noise reduction chip is a QCC514x noise reduction chip, and the diameter of the horn unit is 50 mm.

Further, supplementary framework of making an uproar includes the connecting rod of making an uproar, the one end of connecting rod and the inner wall fixed connection of annular, the other end of connecting rod articulates there is the annular plate, the one end that the connecting rod was kept away from to the annular plate is provided with annular ear muff.

Furthermore, annular ear muff includes memory sponge and albumen leather layer, and the setting of memory sponge's periphery wall is wrapped up in to albumen leather layer.

Further, the inner wall fixedly connected with flexible loop bar of ring channel, the fixed cover in surface of flexible loop bar is equipped with the spring, the expansion end of flexible loop bar rotates and is connected with the pulley, the spout has been seted up to the inner wall of annular plate, the inner wall sliding connection of pulley and spout.

Further, the top and the bottom of annular plate all fixedly connected with guide bar, the guide way has been seted up to the inner wall of ring channel, the inner wall sliding connection of guide bar and guide way.

Compared with the prior art, the utility model provides a headset with an active noise reduction structure, which has the following beneficial effects:

1. this headphone with structure of making an uproar falls in initiative, through setting up the supplementary framework of making an uproar that falls, utilize the automatic resilience of the spring of establishing of cover on the flexible loop bar, can make the annular plate drive the annular earmuff and carry out angle modulation according to user's ear position, make left earphone shell, there is not the interval between auris dextra casing and the people's ear, make the annular earmuff can closely laminate at user's ear, can more seal and more comfortable when wearing, strengthen sealed around the ear, thereby reduce the sound leakage phenomenon, promote the noise reduction effect.

2. This headphone with structure of making an uproar falls in initiative, through setting up annular ear muff, protein leather earmuff is soft, and is comfortable, dampproofing, and vapor permeability is good, and the oppression sense to human head when memory sponge can alleviate the earphone and wear, wears for a long time, can not produce the oppression sense yet, and the parcel nature is good, can effectively completely cut off external noise, can also prevent the sound leakage, does not go into the ear, avoids scotch the duct, has effectively promoted the comfort level that the earphone wore, and the practicality is strong.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a cross-sectional view of an earshell construction of the present invention;

fig. 3 is a cross-sectional view of an earshell structure of the present invention.

In the figure: 1. head support; 2. a stretch rod; 3. an earshell; 4. an active noise reduction chip; 5. a horn unit; 6. a noise collection microphone; 7. an annular groove; 8. an auxiliary noise reduction architecture; 9. a connecting rod; 10. an annular plate; 11. an annular ear shield; 12. a telescopic loop bar; 13. a pulley; 14. a chute; 15. a guide bar; 16. a guide groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-3, the utility model discloses a headset with an active noise reduction structure, which comprises a headset support 1, wherein two ends of the headset support 1 are both connected with stretching rods 2 in a sliding manner, one end, far away from the headset support 1, of each stretching rod 2 is hinged with an earshell 3, an active noise reduction chip 4, a loudspeaker unit 5 and a noise collection microphone 6 are fixedly installed inside the earshell 3, the active noise reduction chip 4 is a QCC514x noise reduction chip, the diameter of the loudspeaker unit 5 is 50mm, an annular groove 7 is formed inside the earshell 3, and an auxiliary noise reduction framework 8 is arranged inside the annular groove 7.

Specifically, the auxiliary noise reduction framework 8 comprises a connecting rod 9, one end of the connecting rod 9 is fixedly connected with the inner wall of the annular groove, the other end of the connecting rod 9 is hinged with an annular plate 10, one end of the annular plate 10, which is far away from the connecting rod 9, is provided with an annular ear shield 11, the inner wall of the annular groove 7 is fixedly connected with a telescopic loop bar 12, the surface of the telescopic loop bar 12 is fixedly sleeved with a spring, the movable end of the telescopic loop bar 12 is rotatably connected with a pulley 13, the inner wall of the annular plate 10 is provided with a chute 14, the pulley 13 is slidably connected with the inner wall of the chute 14,

in this embodiment, through setting up supplementary frame 8 of making an uproar that falls, utilize the automatic resilience of the spring of establishing of cover on the flexible loop bar 12, can make annular plate 10 drive annular ear muff 11 and carry out angle modulation according to user's ear position, make left earphone shell, there is not the interval between auris dextra casing and the people's ear, make annular ear muff 11 can closely laminate at user's ear, can more seal and more comfortable when wearing, strengthen sealed around the ear, thereby reduce the sound leakage phenomenon, promote the noise reduction effect.

Specifically, annular ear muff 11 includes memory sponge and albumen leather layer, and the setting of outer peripheral wall in the memory sponge is wrapped up in to the albumen leather layer.

In this embodiment, through setting up annular ear muff 11, protein leather earmuff is soft, and is comfortable, and is dampproofing, and vapor permeability is good, and the oppression sense to human head when the earphone is worn can be alleviated to the memory sponge, wears for a long time, can not produce the oppression sense yet, and the parcel nature is good, can effectively completely cut off external noise, can also prevent the sound leakage, does not go into the ear, avoids scotch the duct, has effectively promoted the comfort level that the earphone was worn, and the practicality is strong.

Specifically, the top end and the bottom end of the annular plate 10 are both fixedly connected with guide rods 15, the inner wall of the annular groove 7 is provided with guide grooves 16, and the guide rods 15 are slidably connected with the inner wall of the guide grooves 16.

In this embodiment, a circular motion using the connecting rod 9 as a central axis is performed during the sliding of the annular plate 10, so that the guide rod 15 slides inside the guide groove 16, thereby improving the movement stability of the connecting rod 9.

When using, wear this earphone at user's head earlier for annular ear muff 11 and user's ear contact utilize the automatic resilience of the spring of establishing of cover on flexible loop bar 12, can drive pulley 13 and slide in the inside of spout 14, make annular plate 10 drive annular ear muff 11 and carry out angle modulation according to user's ear position.

In summary, the headset with the active noise reduction structure has the advantages that by arranging the auxiliary noise reduction framework 8, the annular plate 10 can drive the annular earmuffs 11 to adjust the angles according to the ear positions of users by utilizing the automatic rebound resilience of the springs sleeved on the telescopic loop bars 12, so that no space exists between the left earphone shell and the ear shell and between the right earphone shell and the ears of the users, the annular earmuffs 11 can be tightly attached to the ears of the users, the headset can be more closed and more comfortable when being worn, the periphery of the ears can be strengthened and sealed, sound leakage is reduced, and the noise reduction effect is improved; through setting up annular ear muff 11, protein leather earmuff is soft, and is comfortable, dampproofing, and vapor permeability is good, and the oppression sense to human head when the earphone was worn can be alleviated to the memory sponge, wears for a long time, can not produce the oppression sense yet, and the parcel nature is good, can effectively completely cut off external noise, can also prevent the sound leakage, does not go into the ear, avoids scotching the duct, has effectively promoted the comfort level that the earphone was worn, and the practicality is strong.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A headphone with an active noise reduction structure, comprising a head support (1), characterized in that: the equal sliding connection in both ends of head props (1) has tensile pole (2), the one end that head props (1) is kept away from in tensile pole (2) articulates there is earlap (3), the inside fixed mounting of earlap (3) has the initiative and falls chip (4), loudspeaker unit (5), noise collection microphone (6) of making an uproar, ring channel (7) have been seted up to the inside of earlap (3), the inside of ring channel (7) is provided with supplementary framework (8) of making an uproar of falling.

2. A headphone with an active noise reduction structure as claimed in claim 1, wherein: the model of the active noise reduction chip (4) is a QCC514x noise reduction chip, and the diameter of the horn unit (5) is 50 mm.

3. A headphone with an active noise reduction structure as claimed in claim 1, wherein: supplementary framework (8) of making an uproar of falling includes connecting rod (9), the one end of connecting rod (9) and the inner wall fixed connection of annular, the other end of connecting rod (9) articulates there is annular board (10), the one end that connecting rod (9) were kept away from in annular board (10) is provided with annular ear muff (11).

4. A headphone with an active noise reduction structure as claimed in claim 3, wherein: annular ear muff (11) are including memory sponge and albumen leather layer, and albumen leather layer parcel sets up in the periphery wall of memory sponge.

5. A headphone with an active noise reduction structure as claimed in claim 3, wherein: the inner wall fixedly connected with of ring channel (7) telescopic sleeve pole (12), the fixed surface cover of telescopic sleeve pole (12) is equipped with the spring, the expansion end of telescopic sleeve pole (12) rotates and is connected with pulley (13), spout (14) have been seted up to the inner wall of annular plate (10), the inner wall sliding connection of pulley (13) and spout (14).

6. A headphone with an active noise reduction structure as claimed in claim 3, wherein: the equal fixedly connected with guide bar (15) in top and the bottom of annular slab (10), guide way (16) have been seted up to the inner wall of ring channel (7), guide bar (15) and the inner wall sliding connection of guide way (16).