JP3175071U - Earphone with negative pressure structure - Google Patents

Abstract

An earphone having a negative pressure structure is provided.
A housing includes a housing, a cover, an ear piece, a filter, and a dynamic unit. The cover is combined with the housing, and the ear piece covers the convex end of the housing. The filter 4 is installed at the outlet of the convex end 7, the dynamic unit 5 is installed in the housing 1, the sealed hanger 8 is installed in the housing 1, and the dynamic unit 5 and the negative pressure component 9 are attached to the sealed hanger. The negative pressure component 9 is made of a flat base material, and the flat base material is made of any one of a metal film, a chemical polymer film, and an organic film.
[Selection] Figure 2

Description

The present invention relates to a structure of an earphone, and specifically relates to an earphone having a negative pressure structure.

The basic principle of a dynamic unit used in a known earphone is that it operates according to Fleming's left method rule. Therefore, the vibration plate amplifies due to the change in strength of the applied current. When the diaphragm swings, if the speed is high due to the air pressure on the back side of the diaphragm, an airflow accompanying the pressure appears, and pressure is applied to the diaphragm from the back side, and the diaphragm is deformed. , Abnormal sound such as distortion comes out.

As shown in FIG. 5, for example, the structure of a known earphone includes a housing 1, a cover 2, an ear piece 3, a filter 4, and a dynamic unit 5. The ear piece 3 is placed on the convex end of the housing 1, A filter 4 is formed at the end outlet. The dynamic unit 5 is installed in the housing 1 and the cover 2 is combined on the housing 1. One hole or more holes 10 and 11 are formed on the housing 1 and the cover 2. When the dynamic unit 5 as a single unit in the housing reproduces the low range, a certain amount of middle and high range is relatively attenuated. When reproducing the high range, the certain low range is relatively attenuated. End up. Furthermore, it is difficult to easily balance the sound of the entire band in the earphone due to the influence of the holes 10 and 11 opened.

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Therefore, the problem to be solved by the present invention is to provide an earphone having a minus pressure structure that has a very simple structure and has a good effect even in a low sound range without opening a hole in the cover and can be waterproofed. It is to provide.

In order to solve the above problems, an earphone having a negative pressure structure according to the present invention includes a housing, a cover, an earpiece, a filter, and a dynamic unit. The earpiece covers the convex end of the housing, and a filter is installed at the outlet of the end. The dynamic unit is installed in the housing, the cover is combined with the housing, and the sealing hanger is installed in the housing. The dynamic unit is attached to the sealed hanger, and a negative pressure component is installed on the sealed hanger. The negative pressure component and the dynamic unit are mounted on the sealed hanger.

When used on the ear, the dynamic unit operates in the housing, and if the diaphragm oscillates at high speed, this negative pressure component will offset the resulting pressure even if the air pressure increases. The deformation of the diaphragm can be eliminated.

One or more negative pressure components can be installed on the closed hanger, and the negative pressure components can be installed horizontally or in an outward direction depending on the structure of the earphone. In other words, the negative pressure component can be freely designed by the structure of the earphone.

The negative pressure component can be a composite of one or more layers, processed into various shapes, or combined with different materials. The material includes a flat substrate, and is made of a metal film, a chemical polymer film, an organic film, or the like. Furthermore, the composite is installed on the upper and lower surfaces of the planar substrate. The composite is made of a metal film, a chemical polymer film, or an organic film. Moreover, the surround is installed in the outer side of the plane base material. Further, a frame is installed on the outermost side of the flat base material. With the frame, the negative pressure component can be assembled and fixed in the hole of the closed hanger.

The earphone having a negative pressure structure according to the present invention has a negative pressure component, so that deformation of the diaphragm caused by application of a high-speed audio signal can be suppressed. Ordinary electrical signals vibrate very finely and quickly, and if you can reproduce them faithfully, you can hear them with the best possible sound. Especially when playing low frequencies, the fidelity of the fidelity appears strongly. The earphone with negative pressure structure of the present invention does not need to be provided with a hole in the housing and a hole in the cover, and it looks like a small volume, but it is equivalent to a low-frequency earphone with a large volume. It can be regenerated and can be used in water.

It is a three-dimensional structure diagram of an earphone having a negative pressure structure of the present invention. FIG. 2 is an exploded structural view of FIG. 1. FIG. 2 is a cross-sectional structure diagram of FIG. 1. It is the exploded view and airflow structure figure of the earphone which has the minus pressure structure of this invention. It is an exploded view and airflow structure figure of a well-known earphone. It is an exploded view of a negative pressure component.

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

As shown in FIGS. 1 to 3, the present invention is an earphone characterized by having a negative pressure component, and includes a housing 1, a cover 2, an earpiece 3, a filter 4, and a dynamic unit 5. A diaphragm 6 is installed on 5, the earpiece 3 is placed on the convex end 7 of the housing 1, a filter 4 is installed at the outlet of the end, the dynamic unit 5 is installed in the housing 1, and the cover 2 is installed in the housing 1 Combine with.

A sealed hanger 8 is installed in the housing 1, the dynamic unit 5 is attached to the sealed hanger 8, and a negative pressure component 9 is installed on the sealed hanger 8, and the negative pressure component 9 is horizontally sealed with the dynamic unit 5. It is installed on the top. There are two assembly holes on the closed hanger 8, the dynamic unit 5 and the negative pressure component 9 are installed on the closed hanger 8, and one or more negative pressure components can be installed on the closed hanger. Depending on the structure of the earphone, it can be installed in a horizontal state or in an outward direction.

As shown in FIG. 4, since the negative pressure component 9 is installed, the pressure air flow 12 shown in FIG. 5 is converted into the pressure air flow 14 shown in FIG. 4, and when the earphone is worn on the ear, the pressure air flow 14 is first changed to the negative pressure. Since the component 9 is moved and no pressure is directly applied to the diaphragm 6, the diaphragm 23 is not deformed as shown in FIG. 5, and no abnormal sound is generated even when it is mounted. In addition, there is no need for a hole 10 formed in the cover. When using this earphone, the air flow 13 appears due to the movement of the diaphragm 6, the negative pressure component 9 is moved, the reverse air flow 15, 16 is generated, and even if there is no hole in the cover, it is much better than the general earphone The range can be played back.

FIG. 5 is a structural diagram of a known earphone. When the earphone is worn on the ear, the earphone generates a high-speed pressure air flow 12 in the ear, and pressure is directly applied to the diaphragm 6, and the generated reverse airflow 18, 19, 21 also moves the diaphragm, and the reflected airflow 22 The reverse airflows 18, 19, 21 and the reflected airflow 22 circulate, and the circulatory flow is generated, the diaphragm 23 is deformed, and an abnormal sound is produced when it is worn on the ear. In order to solve this problem, in the case of a known earphone, a hole is formed on the cover and the airflow of the earphone is leaked to the outside so that the normal operation of the earphone diaphragm can be maintained. It was not possible to waterproof.

As shown in FIG. 6, the negative pressure component 9 is a flat base material 28, and composites 26 and 27 are provided on the upper and lower surfaces of the flat base material 28. Surround 25 is outside the planar substrate 28. There is a frame 24 on the outermost side of the planar substrate 28. The planar substrate 28 and the composites 26 and 27 are made of a material such as a metal film, a chemical polymer film, or an organic film. The frame 24 is attached because it is easy to work, and even if it is not present, the efficacy is not affected. The shapes of the surround 25, the planar substrate 28, and the composites 26 and 27 are designed according to the space inside the earphone, and can be variously changed.

1: Housing
2: Cover
3: Earpiece
4: Filter
5: Dynamic unit
6: Diaphragm
7: Convex end of housing
8: Sealed hanger
9: Negative pressure parts
10: Drilling holes
11: Drilling holes
12: Air pressure
13: Airflow
14: Pressure airflow
15, 16: Reverse airflow
17: Net
18, 19, 21: Reverse airflow
22: Reflected airflow
23: (Deformed) diaphragm
24: Frame
25: Surround
26, 27: Composite
28: Flat substrate

Claims (9)

An earphone having a negative pressure structure,
Consists of a housing (1), a cover (2), an earpiece (3), a filter (4), and a dynamic unit (5),
Cover (2) is combined with housing (1),
The earpiece (3) covers the convex end (7) of the housing (1), and a filter (4) is installed at the outlet of the convex end (7).
The dynamic unit (5) is installed in the housing (1),
A sealed hanger (8) is installed in the housing (1), and a dynamic unit (5) and a negative pressure component (9) are attached to the sealed hanger (8). earphone. In claim 1,
An earphone having a negative pressure structure, wherein one or more negative pressure parts (9) are attached to the closed hanger (8). In claim 1 or 2,
The negative pressure component (9) comprises a flat base material (28), and the flat base material (28) is manufactured from any one material of a metal film, a chemical polymer film, or an organic film. Earphone with structure. In claim 3,
An earphone having a negative pressure structure, characterized in that composites (26) and (27) are respectively provided on the upper and lower surfaces of the flat substrate (28). In claim 4,
The composite (26), (27) is an earphone having a negative pressure structure, wherein the composite (26) and (27) are made of any one of a metal film, a chemical polymer film, and an organic film. In claim 3,
An earphone having a negative pressure structure, characterized in that a surround (25) is installed outside the planar substrate (28). In claim 6,
An earphone having a negative pressure structure, characterized in that a frame (24) is provided on the outermost side of the flat substrate (28). In claim 4,
An earphone having a negative pressure structure characterized in that the surfaces of the composites (26) and (27) are glossy and can be decorated. In claim 6,
An earphone having a negative pressure structure characterized in that the surface of the surround (25) is a glossy surface and can be decorated.