CN210609678U

CN210609678U - Unit electromagnetic isolation device of multi-sound unit earphone of moving coil moving iron

Info

Publication number: CN210609678U
Application number: CN201922343323.1U
Authority: CN
Inventors: 陈培新
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-12-24
Filing date: 2019-12-24
Publication date: 2020-05-22
Anticipated expiration: 2029-12-24

Abstract

The utility model discloses a unit electromagnetism isolating device of many pronunciation unit earphones of moving coil moving-iron, including earphone pronunciation unit, pronunciation unit outer wall is equipped with composite housing, and composite housing includes inlayer and skin, and the inlayer is connected with pronunciation unit outer wall laminating, and the one side laminating of pronunciation unit is kept away from to skin and inlayer is connected, and the inlayer is non-metallic material, and the skin is the metal material. The utility model discloses can make pronunciation unit body form the metal protective housing of incomplete contact, play the dual electromagnetic interference function of keeping apart, consequently the utility model discloses but wide application in polycell movable coil moves indisputable mixed earphone field.

Description

Unit electromagnetic isolation device of multi-sound unit earphone of moving coil moving iron

Technical Field

The utility model relates to a polycell moving coil moves indisputable mixed earphone field, specifically indicates a unit electromagnetism isolating device of many pronunciation unit earphones of moving coil moving iron.

Background

Each earphone sound producing unit has limitations in frequency response, for example, a moving coil unit has good low-frequency performance, a moving iron unit has good high-frequency response characteristics, and an electrostatic unit has good high-frequency response characteristics. In order to improve the hearing of the civil high-end earphone and make up the deficiency of the response of a single sounding unit in different frequency bands, a mixed earphone of a moving coil, a moving iron and a static unit is provided, and each group of units can fully exert the characteristics of the earphone by frequency division. However, different units have different sizes, magnetic sizes, limited space and different placement positions, so that the moving iron unit, the static unit and the transformer coil which are more precise in use are easily interfered by the electromagnetic interference of the close-proximity strong magnet, the density of magnetic lines of force is disordered, the magnetic flux is reduced, the sensitivity of the units is slowly reduced, and the tone quality effect of the earphone is greatly influenced.

SUMMERY OF THE UTILITY MODEL

In order to solve the above technical problem, the utility model discloses a unit electromagnetism isolating device of many pronunciation unit earphones of moving coil moving iron, including earphone pronunciation unit, pronunciation unit outer wall is equipped with composite housing, composite housing includes inlayer and skin, the inlayer with pronunciation unit outer wall laminating is connected, skin with the inlayer is kept away from pronunciation unit's one side laminating is connected, the inlayer is non-metallic material, the skin is the metal material.

Further, the sound producing unit comprises a moving iron unit and an electrostatic unit.

Further, the inner layer is made of resin materials.

Further, the outer layer is a ferrous material.

Further, the dimensions of the sound-generating unit, the inner layer and the outer layer are matched to one another.

Technical scheme more than adopting, the utility model has the advantages of it is following:

(1) the outer layer of the metal material in the composite shell effectively avoids the influence of external electromagnetic waves on each pronunciation unit, improves the working quality of each pronunciation unit and further improves the use effect of the earphone;

(2) the inner layer made of nonmetal materials in the composite shell avoids accidents such as electric leakage and the like between the sounding unit and the outer layer made of metal materials.

Drawings

Fig. 1 is a schematic structural diagram of a first embodiment of the present invention;

fig. 2 is a schematic structural diagram of a second embodiment of the present invention.

As shown in the figure:

1-moving iron unit, 2-static unit, 3-composite shell, 31-outer layer and 32-inner layer.

Detailed Description

The present invention will be described in further detail with reference to the following embodiments, but it should be noted that the figures, technical and scientific terms, technical methods and the like mentioned in the following embodiments are only used for better description and explanation of the present invention, and are not intended to limit the present invention, and the protection scope of the present invention is not limited thereto.

Example one

As shown in figures 1-2, a unit electromagnetism isolating device of many pronunciation unit earphones of moving coil moving iron, including earphone pronunciation unit, pronunciation unit outer wall is equipped with compound shell 3, and compound shell 3 includes inlayer 32 and outer 31, and inlayer 32 is connected with the laminating of pronunciation unit outer wall, and the one side laminating of pronunciation unit is kept away from with inlayer 32 to outer 31 is connected, and inlayer 32 is non-metallic material, and outer 31 is the metal material.

Pronunciation unit is including moving iron unit 1, and a plurality of moves iron unit 1 and can rely on compound shell 3 to constitute and move the iron unit group to promote pronunciation tone quality. The outer wall of the moving iron unit 1 is fixedly attached to the inner layer 32 of the resin by glue, the outer layer 31 of the resin is fixedly attached to the outer wall of the inner layer 32 of the resin by glue, the outer layer 31 of the iron can effectively shield the mutual interference between the single moving iron unit 1 or the moving iron unit group and other power electronic devices, and the inner layer 32 of the resin can avoid the accidental situations of electric leakage or static electricity and the like between the moving iron unit 1 and the outer layer 31 of the iron.

The sizes of the moving iron unit 1, the resin inner layer 32 and the iron outer layer 31 are matched with each other, in order to avoid influencing the normal work of the moving iron unit 1, the side surface of the moving iron unit 1 is wrapped by the resin inner layer 32 and the iron outer layer 31, the two ends of the moving iron unit 1 are not wrapped by the resin inner layer 32 and the iron outer layer 31, and the two ends of the moving iron unit 1 are respectively used for making sound and are connected with necessary circuits.

Example two

As shown in figures 1-2, a unit electromagnetic isolation device of a moving coil moving iron multi-pronunciation unit earphone, the outer wall of a pronunciation unit is provided with a composite shell 3, the composite shell 3 comprises an inner layer 32 and an outer layer 31, the inner layer 32 is attached to the outer wall of the pronunciation unit, the outer layer 31 is attached to one surface of the inner layer 32 far away from the pronunciation unit, the inner layer 32 is made of nonmetal materials, and the outer layer 31 is made of metal materials.

Pronunciation unit includes static unit 2, and the outer wall of static unit 2 uses glue fixed laminating resin class's inlayer 32, and the inlayer 32 outer wall of resin class uses glue laminating iron's skin 31, and iron's skin 31 can effectively shield static unit 2 and outside power electronic device's mutual interference, and resin class's inlayer 32 can avoid taking place unexpected circumstances such as electric leakage or static between static unit 2 and iron's skin 31.

The sizes of the electrostatic unit 2, the resin inner layer 32 and the iron outer layer 31 are matched with each other, in order to avoid influencing the normal work of the electrostatic unit 2, the side surface of the electrostatic unit 2 is wrapped by the resin inner layer 32 and the iron outer layer 31, the two ends of the electrostatic unit 2 are not required to be wrapped by the resin inner layer 32 and the iron outer layer 31, and the two ends of the electrostatic unit 2 are respectively used for making sound and are connected with necessary circuits.

EXAMPLE III

The pronunciation unit comprises a moving coil unit, and other technical schemes are the same as those of the first embodiment.

The above are all embodiments of the present invention, and any changes and substitutions without inventive labor in the claims of the present invention are within the protection scope of the present invention.

Claims

1. The utility model provides a unit electromagnetism isolating device of many pronunciation unit earphones of moving coil moving iron, includes earphone pronunciation unit, its characterized in that, pronunciation unit outer wall is equipped with compound shell, compound shell includes inlayer and skin, the inlayer with pronunciation unit outer wall laminating is connected, the skin with the inlayer is kept away from pronunciation unit's one side laminating is connected, the inlayer is non-metallic material, the skin is the metal material.

2. The unit electromagnetic isolation apparatus of a moving coil moving iron multiple tone unit earphone according to claim 1, wherein said tone generating unit comprises a moving coil unit, a moving iron unit and an electrostatic unit.

3. The unit electromagnetic isolation apparatus of a moving coil moving iron multiple tone unit earphone according to claim 1, wherein said inner layer is a resin material.

4. The unit electromagnetic isolation apparatus for a moving-coil moving-iron multi-tone-unit earphone according to claim 1 wherein said outer layer is a ferrous material.

5. The unit electromagnetic isolation device of a moving-coil moving-iron multi-sound-unit earphone as claimed in any one of claims 1 to 4, wherein the dimensions of the sound-producing unit, the inner layer and the outer layer are matched to each other.