CN213462197U

CN213462197U - High-fidelity noise reduction earphone

Info

Publication number: CN213462197U
Application number: CN202022210199.4U
Authority: CN
Inventors: 王亚平
Original assignee: Guangdong Weishan Technology Co ltd
Current assignee: Guangdong Weishan Technology Co ltd
Priority date: 2020-09-30
Filing date: 2020-09-30
Publication date: 2021-06-15
Anticipated expiration: 2030-09-30

Abstract

The utility model discloses a high-fidelity noise reduction earphone, including the link, the bottom fixedly connected with head rod of link, the bottom of head rod has the second connecting rod through round pin axle swing joint, the bottom fixedly connected with deposit room of second connecting rod, the equal fixedly connected with earphone shell in one side that two deposit rooms are relative, the equal fixedly connected with earmuff in one side that two earphone shells are relative, the earmuff includes the basic unit, the top fixedly connected with sound absorption layer of basic unit, the layer of making an uproar falls in the bottom fixedly connected with of basic unit, the basic unit adopts the wood wool fibre material. The utility model discloses a link, head rod, second connecting rod, deposit room, earphone shell, ear muff, basic unit, sound absorbing layer, fall the layer of making an uproar, abatvoix and the cooperation in parcel chamber are used, possess the good advantage of noise reduction effect, have solved current earphone noise reduction effect poor to can't satisfy the problem of user's demand.

Description

High-fidelity noise reduction earphone

Technical Field

The utility model relates to an earphone technical field specifically is a high-fidelity noise reduction earphone.

Background

High fidelity is a professional term used by sound fever sufferers, and refers to equipment and carriers which can perfectly reproduce original sounds or images, generally speaking, the high fidelity has no distortion and accurate response frequency, and the frequency response of a high fidelity headphone is not less than 50Hz to 12500 Hz; tolerance error of ± 3dB for a typical frequency response; the slope of the frequency response curve does not exceed 9dB per octave; the difference of the average sound pressure level of the left unit and the right unit in the same octave bandwidth within 250Hz-800Hz is not more than 2 dB; within the range of 100Hz-5000Hz, when the sound pressure level is 94dB, the harmonic distortion does not exceed 1 percent, and when the sound pressure level is 100dB, the harmonic distortion does not exceed 3 percent, the frequency response of the earphone is allowed to be reduced between 2KHz and 5KHz so as to improve the transparency and the sense of space, however, the noise reduction effect of the existing earphone is poor, so that the requirements of users cannot be met.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a high-fidelity noise reduction earphone possesses the good advantage of noise reduction effect, and it is poor to have solved current earphone noise reduction effect to can't satisfy the problem of user's demand.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a high-fidelity noise reduction earphone, includes the link, the bottom fixedly connected with head rod of link, there is the second connecting rod bottom of head rod through round pin axle swing joint, the bottom fixedly connected with deposit room of second connecting rod, the equal fixedly connected with earphone shell in two relative one sides of deposit room, the equal fixedly connected with earmuff in one relative one side of two earphone shells, the earmuff includes the basic unit, the top fixedly connected with sound absorption layer of basic unit, the bottom fixedly connected with noise reduction layer of basic unit.

Preferably, the base layer is made of wood wool fibers, the sound absorption layer is made of polyester fibers, and the noise reduction layer is made of high-damping porous sponge.

Preferably, the inner cavity of earphone shell is provided with the abatvoix, the abatvoix adopts the mineral wool to inhale the sound material and makes.

Preferably, a wrapping cavity is formed in the inner cavity of the earmuff, and the wrapping cavity is oval.

Preferably, the bottom of link fixedly connected with protection pad, the protection pad adopts natural sponge material.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model discloses a link, head rod, second connecting rod, deposit room, earphone shell, ear muff, basic unit, sound absorbing layer, fall the layer of making an uproar, abatvoix and the cooperation in parcel chamber are used, possess the good advantage of noise reduction effect, have solved current earphone noise reduction effect poor to can't satisfy the problem of user's demand.

2. The utility model discloses a set up the basic unit, can improve the sound absorbing effect of ear muff to improve the tone quality of ear muff, through setting up the sound absorbing layer, can improve the sound absorption nature of ear muff, through setting up the layer of making an uproar that falls, can improve the noise reduction nature of ear muff, bring joyful use for the user and experience, through setting up the parcel chamber, can reduce the noise that external production, in order to improve the tone quality of earphone.

Drawings

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

FIG. 2 is a side view of the earmuffs of the present invention;

fig. 3 is a partial cross-sectional view of the earmuff of the present invention.

In the figure: 1. hanging a ring; 2. a first connecting rod; 3. a second connecting rod; 4. a storage chamber; 5. an earphone housing; 6. ear muffs; 601. a base layer; 602. a sound absorbing layer; 603. a noise reduction layer; 7. a sound-absorbing panel; 8. a packaging cavity; 9. and (6) a protective pad.

Detailed Description

In the following description, numerous implementation details are set forth in order to provide a more thorough understanding of the present invention. It should be understood, however, that these implementation details should not be used to limit the invention. That is, in some embodiments of the invention, details of these implementations are not necessary. In addition, some conventional structures and components are shown in simplified schematic form in the drawings.

In addition, the descriptions related to "first", "second", etc. in the present invention are only for description purposes, not specifically referring to the order or sequence, and are not intended to limit the present invention, but only to distinguish the components or operations described in the same technical terms, and are not to be construed as indicating or implying any relative importance or implicit indication of the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

Referring to fig. 1-3, a high fidelity noise reduction earphone comprises a hanging ring 1, a first connecting rod 2 is fixedly connected to the bottom of the hanging ring 1, a second connecting rod 3 is movably connected to the bottom of the first connecting rod 2 through a pin shaft, storage chambers 4 are fixedly connected to the bottom of the second connecting rod 3, earphone shells 5 are fixedly connected to the opposite sides of the two storage chambers 4, ear cups 6 are fixedly connected to the opposite sides of the two earphone shells 5, each ear cup 6 comprises a base layer 601, the sound absorption effect of the ear cup 6 can be improved by arranging the base layer 601, so as to improve the sound quality of the ear cup 6, a sound absorption layer 602 is fixedly connected to the top of the base layer 601, the sound absorption of the ear cup 6 can be improved by arranging the sound absorption layer 602, a noise reduction layer 603 is fixedly connected to the bottom of the base layer 601, the noise reduction performance of the ear cup 6 can be improved by arranging the, the base layer 601 is made of wood fiber, the sound absorption layer 602 is made of polyester fiber, the noise reduction layer 603 is made of high-damping porous sponge, the sound absorption plate 7 is arranged in the inner cavity of the earphone shell 5, the sound absorption plate 7 is made of mineral wool sound absorption material, the inner cavity of the ear muff 6 is provided with a wrapping cavity 8, the package cavity 8 is arranged, so that the noise generated by the outside can be reduced, the tone quality of the earphone is improved, the package cavity 8 is oval, the bottom of the hanging ring 1 is fixedly connected with the protection pad 9, the protection pad 9 is made of natural sponge materials, through link 1, head rod 2, second connecting rod 3, storage chamber 4, earphone shell 5, ear muff 6, basic unit 601, sound absorbing layer 602, the layer 603 of making an uproar, abatvoix 7 and the cooperation of parcel chamber 8 of falling, possess the good advantage of noise reduction effect, it is poor to have solved current earphone noise reduction effect to can't satisfy the problem of user's demand.

During the use, through basic unit 601, can improve the sound absorbing effect of ear muff 6 to improve ear muff 6's tone quality, through sound absorbing layer 602, can improve ear muff 6's sound absorption nature, through falling the noise reduction layer 603, can improve ear muff 6's the noise reduction nature of making an uproar, bring pleasing use for the user and experience, through parcel chamber 8, can reduce the noise of external production, with the tone quality that improves the earphone.

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 invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a high-fidelity noise reduction earphone, includes link (1), its characterized in that: bottom fixedly connected with head rod (2) of link (1), there is second connecting rod (3) bottom of head rod (2) through round pin axle swing joint, the bottom fixedly connected with deposit room (4) of second connecting rod (3), two equal fixedly connected with earphone shell (5) in the relative one side of deposit room (4), two equal fixedly connected with ear muff (6) in the relative one side of earphone shell (5), ear muff (6) are including basic unit (601), the top fixedly connected with sound absorbing layer (602) of basic unit (601), the bottom fixedly connected with of basic unit (601) falls layer (603) of making an uproar.

2. The high fidelity noise reducing headphone of claim 1, wherein: the base layer (601) is made of wood wool fibers, the sound absorption layer (602) is made of polyester fibers, and the noise reduction layer (603) is made of high-damping porous sponge materials.

3. The high fidelity noise reducing headphone of claim 1, wherein: the inner cavity of earphone shell (5) is provided with abatvoix (7), abatvoix (7) adopt the mineral wool to inhale the sound material and make.

4. The high fidelity noise reducing headphone of claim 1, wherein: the inner cavity of the ear muff (6) is provided with a wrapping cavity (8), and the wrapping cavity (8) is oval.

5. The high fidelity noise reducing headphone of claim 1, wherein: the bottom fixedly connected with protection pad (9) of link (1), protection pad (9) adopt natural sponge material.