CN210491173U

CN210491173U - Air rendering type moving coil structure and butterfly air rendering type moving coil structure earphone

Info

Publication number: CN210491173U
Application number: CN201922299448.9U
Authority: CN
Inventors: 范书嘉; 沈雪阳; 陈淼; 谌静
Original assignee: Nanjing University of Posts and Telecommunications
Current assignee: Nanjing University of Posts and Telecommunications
Priority date: 2019-12-19
Filing date: 2019-12-19
Publication date: 2020-05-08
Anticipated expiration: 2029-12-19

Abstract

The utility model discloses an air-rendering formula moving coil structure and butterfly air-rendering formula moving coil structure earphone, the sound that a moving coil unit produced in the air-rendering formula moving coil structure earphone directly reaches the people ear, and the sound that another moving coil unit produced passes through the play up of air hose and then reaches the people ear, utilizes a moving coil unit among the butterfly air-rendering formula moving coil structure earphone, and the sound that the moving coil unit produced passes through the play up of butterfly air hose and then reaches the people ear, and partial sound is played up to one side of butterfly air hose, and the opposite side enlarges sound, and middle direct partial sound that passes through, the utility model discloses use the theory of operation and the excellent shortcoming of moving coil earphone and air conduction formula earphone as the foundation, combine both organically to reach and compromise low frequency, intermediate frequency, the three frequency effects of high frequency.

Description

Air rendering type moving coil structure and butterfly air rendering type moving coil structure earphone

Technical Field

The utility model relates to an earphone of formula moving coil structure is played up to air belongs to earphone technical field.

Background

The society is developing, people's life is becoming more and more affluent, and it is huge pressure on life that follows with it, therefore music has become the instrument that many people relax, and the use earphone also becomes people's main mode of listening to music in life. A group of music fans called feverists try different earphones and release earphone evaluation on the network. However, these earphones are either expensive, with Hi-Fi level sound quality, or flat, with sound quality making a significant trade-off between high and low frequencies.

The moving coil earphone is the most common earphone, and the driving unit of the moving coil earphone is basically a small moving coil loudspeaker, and a voice coil in a permanent magnetic field drives a diaphragm connected with the voice coil to vibrate, so that the moving coil earphone has better performance at medium and high frequencies.

The air conduction type earphone operates on the principle that sound generated from a sound generating unit is transmitted to the ear through an air tube. Just like two paper cups are connected by a line at the bottom and pulled straight, on one side, speaking towards the paper cup, and on the other side, the paper cup can transmit sound. Thus, the low frequency extension of the air conduction earphone is low, but the distortion phenomenon is significant at medium and high frequencies.

SUMMERY OF THE UTILITY MODEL

Utility model purpose: in order to overcome the not enough of existence among the prior art, the utility model provides a compromise three frequencies of low frequency, intermediate frequency, high frequency's air and play up formula moving coil structure and butterfly air and play up formula moving coil structure earphone.

The technical scheme is as follows: in order to achieve the above object, the utility model adopts the following technical scheme:

an air rendering type moving coil structure earphone comprises a first earphone shell, a first moving coil unit I, a first moving coil unit II and a first air pipe, wherein a first mounting seat I, a first mounting seat II and a first air pipe fixing support are arranged inside the first earphone shell; first movable coil unit two is installed on first mount pad two, first air hose is installed on first air hose fixed bolster, just first air hose one end is directional first movable coil unit two's speaker, and the directional first sound outlet of the other end.

Preferably: the first moving coil unit is mounted on the first mounting seat through a screw, and the second moving coil unit is mounted on the second mounting seat through a screw.

Preferably: be provided with first snap ring on the first air pipe, be provided with on the first air pipe fixed bolster with first snap ring assorted first buckle, first air pipe is installed on first air pipe fixed bolster through the cooperation of first snap ring, first buckle.

Preferably: the first air pipe is a plastic pipe or a rubber pipe.

A butterfly air rendering type moving coil structure earphone comprises a second earphone shell, a second moving coil unit, a partition plate and a butterfly air tube, wherein a second mounting seat and a second air tube fixing support are arranged inside the second earphone shell, a second sound outlet is formed in the second earphone shell, the second moving coil unit is mounted on the second mounting seat, the butterfly air tube is mounted on the second air tube fixing support, one end of the butterfly air tube points to a loudspeaker of the second moving coil unit, and the other end of the butterfly air tube points to the second sound outlet; the partition plate is installed on one side of the butterfly air tube located on the second moving coil unit.

Preferably: and the second moving coil unit is arranged on the second mounting seat through a screw.

Preferably: the butterfly air pipe is provided with a second clamping ring, the second air pipe fixing support is provided with a second buckle matched with the second clamping ring, and the butterfly air pipe is installed on the second air pipe fixing support through the cooperation of the second clamping ring and the second buckle.

Preferably: the butterfly-shaped air pipe is provided with a clamping groove, and the partition plate is installed on the butterfly-shaped air pipe through the clamping groove.

Compared with the prior art, the utility model, following beneficial effect has:

1. the air rendering type moving coil structure provided by the invention is based on the working principle and the advantages and disadvantages of the moving coil earphone and the air conduction earphone, and the moving coil earphone and the air conduction earphone are organically combined, so that the effect of taking three frequencies into consideration is achieved.

2. According to the butterfly air rendering type moving coil structure, the two moving coil units and the air pipe of the simple air rendering type moving coil structure are simplified into the moving coil unit and the butterfly air pipe, one side of the butterfly air pipe renders partial sound, and low-frequency extension of the sound is ensured to be lower; the sound is amplified on the other side, and the weakening of the air pipe to the sound is compensated; and a part of sound directly passes through the butterfly air tube, so that the performance of the middle-high frequency part of the sound is ensured. Compared with a simple air rendering type moving coil structure, the air rendering type moving coil structure has the advantages of low cost, less required space and low difficulty.

Drawings

FIG. 1 is a schematic diagram of an air-rendering type moving-coil earphone;

FIG. 2 is a schematic diagram of a butterfly air rendering type moving coil structure earphone;

fig. 3 is a schematic diagram of a butterfly-shaped air-rendering moving-coil structure earphone applied to a flathead earphone.

Detailed Description

The invention will be further elucidated with reference to the drawings and specific embodiments, it being understood that these examples are intended to illustrate the invention only and are not intended to limit the scope of the invention, and that modifications to the various equivalent forms of the invention, which may occur to those skilled in the art after reading the present invention, fall within the scope of the invention as defined in the claims appended hereto.

Example 1

An air rendering type moving coil structure earphone comprises a first earphone shell 1, a first moving coil unit I11, a first moving coil unit II 12 and a first air pipe 13, wherein the first air pipe is a plastic pipe or a rubber pipe, a first mounting seat I, a first mounting seat II and a first air pipe fixing support are arranged inside the first earphone shell, a first sound outlet is formed in the first earphone shell, the first moving coil unit I11 is mounted on the first mounting seat I through a screw, and a loudspeaker of the first moving coil unit I11 points to the first sound outlet; first movable coil unit two 12 passes through the mounting screw on first mount pad two, be provided with first snap ring on the first air pipe 13, be provided with on the first air pipe fixed bolster with first snap ring assorted first buckle, first air pipe 13 is installed on first air pipe fixed bolster through the cooperation of first snap ring, first buckle, just the directional speaker of first movable coil unit two 12 of first air pipe 13 one end, the directional first sound outlet of the other end.

In the embodiment, two moving coil units are utilized, and the sound generated by one moving coil unit is directly transmitted to human ears, so that the expression of the middle-high frequency part of the sound is ensured; the sound generated by the other moving coil unit is transmitted to human ears through the rendering of the air tube, so that the low-frequency extension of the sound is lower. Through the design, low frequency, intermediate frequency and high frequency are well considered.

Example 2

A butterfly air rendering type moving coil structure earphone, as shown in fig. 2 and 3, comprising a second earphone housing 2, a second moving coil unit 21, a partition 22 and a butterfly air tube 23, wherein a second mounting seat and a second air tube fixing support are arranged inside the second earphone housing, a second sound outlet is arranged on the second earphone housing, the second moving coil unit 21 is mounted on the second mounting seat through a screw, a second snap ring is arranged on the butterfly air tube 23, a second buckle matched with the second snap ring is arranged on the second air tube fixing support, the butterfly air tube 23 is mounted on the second air tube fixing support through the matching of the second snap ring and the second buckle, one end of the butterfly air tube 23 points to a speaker of the second moving coil unit 21, and the other end points to the second sound outlet; the butterfly air tube 23 is provided with a clamping groove, the partition plate 22 is installed on the butterfly air tube 23 through the clamping groove, and the partition plate 22 is located on one side of the butterfly air tube 23 close to the second moving coil unit 21.

During specific implementation, on the basis of basic design of the flat head plug type earphone, a section of cylindrical plastic block is additionally arranged between the original moving coil unit and the sound outlet, and the interior of the plastic block is hollowed into a butterfly hollow shape, so that the low-frequency extension of sound, the compensation after the sound is weakened and the maintenance of the performance of the middle-high frequency part of the sound are completed by utilizing the butterfly hollow part under the condition that the wearing mode of the flat head plug type earphone is not changed.

In the embodiment, a moving coil unit is utilized, sound generated by the moving coil unit is transmitted to human ears through rendering of a butterfly-shaped air tube, and partial sound is rendered on one side of the butterfly-shaped air tube, so that low-frequency extension of the sound is ensured to be lower; the sound is amplified on the other side, and the weakening of the air pipe to the sound is compensated; and a part of sound directly passes through the butterfly air tube, so that the performance of the middle-high frequency part of the sound is ensured.

To sum up, the utility model discloses the sound that a moving coil unit produced in the formula moving coil structure earphone is played up to well air is directly passed to the people's ear, and the people's ear is passed again through the play up of air hose to the sound that another moving coil unit produced, utilizes a moving coil unit among the formula moving coil structure earphone is played up to the butterfly air, and the people's ear is passed again through the play up of butterfly air hose to the sound that the moving coil unit produced, and partial sound is played up to one side of butterfly air hose, and the opposite side enlarges sound, and the centre is direct through partial sound.

The above description is only a preferred embodiment of the present invention, and it should be noted that: for those skilled in the art, without departing from the principle of the present invention, several improvements and modifications can be made, and these improvements and modifications should also be considered as the protection scope of the present invention.

Claims

1. The utility model provides an air-render formula moving coil structure earphone which characterized in that: the earphone comprises a first earphone shell, a first moving coil unit I (11), a first moving coil unit II (12) and a first air pipe (13), wherein a first mounting seat I, a first mounting seat II and a first air pipe fixing support are arranged in the first earphone shell, a first sound outlet is formed in the first earphone shell, the first moving coil unit I (11) is mounted on the first mounting seat I, and a loudspeaker of the first moving coil unit I (11) points to the first sound outlet; first movable coil unit two (12) are installed on first mount pad two, first air pipe (13) are installed on first air pipe fixed bolster, just first air pipe (13) one end is to the speaker of first movable coil unit two (12), and the other end is to first sound outlet.

2. The air-rendering moving-coil structure earphone of claim 1, wherein: the first moving coil unit (11) is mounted on the first mounting seat through screws, and the second moving coil unit (12) is mounted on the second mounting seat through screws.

3. The air-rendering moving-coil structure earphone of claim 2, wherein: be provided with first snap ring on first air pipe (13), be provided with on the first air pipe fixed bolster with first snap ring assorted first buckle, first air pipe (13) are installed on first air pipe fixed bolster through the cooperation of first snap ring, first buckle.

4. The air-rendering moving-coil structure earphone of claim 3, wherein: the first air pipe is a plastic pipe or a rubber pipe.

5. The utility model provides a butterfly air rendering formula moving coil structure earphone which characterized in that: the earphone comprises a second earphone shell, a second moving coil unit (21), a partition plate (22) and a butterfly air tube (23), wherein a second mounting seat and a second air tube fixing support are arranged inside the second earphone shell, a second sound outlet is formed in the second earphone shell, the second moving coil unit (21) is mounted on the second mounting seat, the butterfly air tube (23) is mounted on the second air tube fixing support, one end of the butterfly air tube (23) points to a loudspeaker of the second moving coil unit (21), and the other end of the butterfly air tube (23) points to the second sound outlet; the partition plate (22) is installed on one side of the butterfly air tube (23) located on the second moving coil unit (21).

6. The butterfly air-rendering moving-coil structure earphone of claim 5, wherein: the second moving coil unit (21) is mounted on the second mounting base through screws.

7. The butterfly air-rendering moving-coil structure earphone of claim 6, wherein: be provided with the second snap ring on butterfly air pipe (23), be provided with on the second air pipe fixed bolster with second snap ring assorted second buckle, butterfly air pipe (23) are installed on second air pipe fixed bolster through the cooperation of second snap ring, second buckle.

8. The butterfly air-rendering moving-coil structure earphone of claim 7, wherein: the butterfly-shaped air pipe (23) is provided with a clamping groove, and the partition plate (22) is installed on the butterfly-shaped air pipe (23) through the clamping groove.