CN216162850U

CN216162850U - Double-frequency coaxial earphone receiver

Info

Publication number: CN216162850U
Application number: CN202122212800.8U
Authority: CN
Inventors: 黄锦堂; 莫焕秋; 钟敏; 韩介清; 尤信; 许文标; 鲁浪
Original assignee: Guangxi Hezhou Tianlai Electronic Technology Co ltd
Current assignee: Guangxi Hezhou Tianlai Electronic Technology Co ltd
Priority date: 2021-09-13
Filing date: 2021-09-13
Publication date: 2022-04-01
Anticipated expiration: 2031-09-13

Abstract

The utility model particularly relates to a double-frequency coaxial earphone receiver which comprises a high-pitch unit and a low-pitch unit, wherein the high-pitch unit comprises a first shell, a first magnetic circuit component and a first vibration component, the first magnetic circuit component and the first vibration component are arranged in the first shell, the low-pitch unit comprises a second shell, a second magnetic circuit component and a second vibration component, the second magnetic circuit component and the second vibration component are arranged in the second shell, and the high-pitch unit is coaxially arranged above the low-pitch unit and fixedly connected with the top end of the second shell through the outer edge of the first shell. The high pitch unit and the low pitch unit of the earphone receiver are coaxially arranged in the same direction, and the earphone receiver is compact in structure, small in size, wide in frequency response range and good in tone quality.

Description

Double-frequency coaxial earphone receiver

Technical Field

The utility model relates to the technical field of earphones, in particular to a receiver of a double-frequency coaxial earphone.

Background

The double-unit sound production device generally refers to including a low frequency unit and a high frequency unit, and present common sound production device majority is that every sound channel only has a sound production unit, and double-unit sound production device is then that every sound channel has two sound production units, because low frequency unit and high frequency unit simultaneous working can effectively compensate and promote sound production device's performance curve and frequency response scope, therefore this type of double-unit sound production device's frequency response effect and sound quality are better. However, the conventional double-unit sound generating device has relatively large size, complex process and high price, and further has great limitation on application to earphones.

Disclosure of Invention

In order to overcome the defects and shortcomings in the prior art, the utility model aims to provide a dual-frequency coaxial earphone receiver which is compact in structure, small in size, wide in frequency response range and good in sound quality.

In order to achieve the purpose, the utility model adopts the following technical scheme:

the utility model provides a dual-frenquency coaxial earphone receiver, includes a treble unit and a bass unit, the treble unit includes first casing, first magnetic circuit subassembly and first vibration subassembly all set up in first casing, the bass unit includes second casing, second magnetic circuit subassembly and second vibration subassembly all set up in the second casing, the treble unit is coaxial to be set up in the top of bass unit, and passes through the outer fringe of first casing and the top fixed connection of second casing.

Furthermore, the middle part of the first shell is provided with a mounting hole for mounting a first magnetic circuit component and a first vibration component, and the outer edge of the first shell is provided with a groove for abutting against the second shell.

Further, first magnetic circuit component includes first U iron, first magnet and first china department, U type groove has been seted up to first U iron inside, first magnet and first china department are installed in proper order in U type groove, leave high pitch magnetic gap between the inside wall of first magnet and first china department and first U iron.

Further, first vibration subassembly includes high pitch vibrating diaphragm and high pitch voice coil loudspeaker voice coil, the bottom of high pitch vibrating diaphragm and the top fixed connection of high pitch voice coil loudspeaker voice coil, the bottom part of high pitch voice coil loudspeaker voice coil stretches into in the high pitch magnetic gap.

Further, high pitch diaphragm package includes arc top, high pitch diaphragm and high pitch corrugated ring, arc top, high pitch diaphragm and high pitch corrugated ring structure as an organic whole, the arc top is the bellied cambered surface that makes progress.

Furthermore, the second magnetic circuit component comprises a second U iron, a second magnet and a second washer, the second U iron is provided with a cavity, the second magnet and the second washer are arranged in the cavity, a low-frequency magnetic gap is arranged between the second magnet and the inner side wall of the second washer and the inner side wall of the second U iron, and the second washer is arranged above the second magnet.

Further, the second vibration subassembly includes bass vibrating diaphragm and bass voice coil loudspeaker voice coil, the bottom of bass vibrating diaphragm and the top fixed connection of bass voice coil loudspeaker voice coil, the bottom part of bass voice coil loudspeaker voice coil stretches into in the bass magnetic gap.

Further, the bass diaphragm comprises a flat top, a bass diaphragm and a bass corrugated ring, the flat top, the bass diaphragm and the bass corrugated ring are of an integrated structure, and the flat top is a circular plane.

Further, the diameters of the first magnetic circuit assembly and the first vibration assembly are smaller than the diameter of the arc top, and the diameters of the second magnetic circuit assembly and the second vibration assembly are smaller than the diameter of the flat top.

Further, the height of the high pitch unit is 20-30mm, and the height of the low pitch unit is 40-50 mm.

The utility model has the beneficial effects that: the dual-frequency coaxial earphone receiver has the advantages of compact structure and small volume, the high-frequency unit and the low-frequency unit are coaxially arranged in the same direction, so that the high-frequency effect and the low-frequency effect are consistent, the frequency response range is wide, the high-frequency unit and the low-frequency unit are respectively provided with the independent acoustic cavities, the magnetic loop and the acoustic wave interference between the high-frequency unit and the low-frequency unit are effectively avoided, and the acoustic characteristic of the earphone receiver is improved.

Drawings

Fig. 1 is a schematic view of the structure of the speaker of the present invention.

Fig. 2 is a schematic sectional view of the speaker of the present invention.

Fig. 3 is an exploded view of the loudspeaker of the present invention.

The reference signs are: 1-a first shell, 2-a second shell, 3-a first magnetic circuit component, 4-a first vibration component, 5-a second magnetic circuit component, 6-a second vibration component, 7-a first U iron, 8-a first magnet, 9-a first washer, 10-a high-pitch vibration film, 11-a high-pitch voice coil, 12-a second U iron, 13-a second magnet, 14-a second washer, 15-a low-pitch vibration film, 16-a low-pitch voice coil, 17-an arc top, 18-a flat top and 19-a mounting hole.

Detailed Description

For the understanding of those skilled in the art, the present invention will be further described with reference to the following examples and accompanying fig. 1-3, which are not intended to limit the present invention.

Examples

As shown in fig. 1-3, a dual-frequency coaxial earphone receiver comprises a high-pitch unit and a low-pitch unit, wherein the high-pitch unit comprises a first casing 1, a first magnetic circuit component 3 and a first vibration component 4 which are arranged in the first casing 1, the low-pitch unit comprises a second casing 2, a second magnetic circuit component 5 and a second vibration component 6 which are arranged in the second casing 2, and the high-pitch unit is coaxially arranged above the low-pitch unit and is fixedly connected with the top end of the second casing 2 through the outer edge of the first casing 1.

The dual-frequency coaxial earphone receiver comprises a high-pitch unit and a low-pitch unit, wherein the high-pitch unit is stacked above the low-pitch unit in a mode of fixedly connecting a first shell 1 and a second shell 2, so that the earphone receiver is compact in structure and small in size, and simultaneously has low-frequency and high-frequency performances. The high pitch unit and the bass unit are coaxially arranged in the same direction, and the high pitch unit and the bass unit are coaxially arranged to enable the high pitch unit and the bass unit to sound at the same position close to each other, so that the characteristics of consistent time, phase, direction and other sound are obtained, the high frequency effect and the low frequency effect of the earphone receiver are consistent, and the better reduction tone quality is achieved.

Further, the middle of the first housing 1 is provided with a mounting hole 19 for mounting the first magnetic circuit component 3 and the first vibration component 4, and the outer edge of the first housing 1 is provided with a groove for abutting against the second housing 2. Specifically, the groove of the first housing 1 is connected with the top end of the side wall of the second housing 2, so that the connection of the high pitch unit and the low pitch unit is stable.

Further, first magnetic circuit component 3 includes first U iron 7, first magnet 8 and first china department 9, U type groove has been seted up to first U iron 7 is inside, first magnet 8 and first china department 9 are installed in proper order in U type groove, leave the high pitch magnetic gap between the inside wall of first magnet 8 and first china department 9 and first U iron 7. Specifically, the outer side wall of the first U-shaped iron 7 is fixedly connected with the bottom of the first shell 1.

Further, first vibration subassembly 6 includes high pitch vibrating diaphragm 10 and high pitch voice coil loudspeaker voice coil 11, the bottom of high pitch vibrating diaphragm 10 and the top fixed connection of high pitch voice coil loudspeaker voice coil 11, the bottom part of high pitch voice coil loudspeaker voice coil 11 stretches into in the high pitch magnetic gap. Specifically, the first casing 1, the first magnetic circuit component 3 and the first vibration component 4 constitute an independent sounding cavity of the high-pitch unit, so that the high-frequency performance of the high-pitch unit is better.

Further, high pitch vibrating diaphragm 10 includes arc top 17, high pitch diaphragm and high pitch corrugated rim, arc top 17, high pitch diaphragm and high pitch corrugated rim structure as an organic whole, arc top 17 is the bellied cambered surface that makes progress. Specifically, the treble hinge is bonded to the tip end periphery of the mounting hole 19 of the first housing 1.

Further, the second magnetic circuit assembly 5 includes a second U-shaped iron 12, a second magnet 13 and a second washer 14, the second U-shaped iron 12 is provided with a cavity, the second magnet 13 and the second washer 14 are installed in the cavity, a bass magnetic gap is provided between the second magnet 13 and the inner side wall of the second washer 14 and the second U-shaped iron 12, and the second washer 14 is disposed above the second magnet 13. Specifically, the outer side wall of the second U-shaped iron 12 is fixedly connected with the bottom of the second shell 2. Specifically, a plurality of through holes are formed in the bottom of the second U-shaped iron 12, and the through holes can take out heat generated by the working of the earphone receiver, so that the heat dissipation effect is improved.

Further, the second vibration assembly 6 includes a bass diaphragm 15 and a bass voice coil 16, a bottom end of the bass diaphragm 15 is fixedly connected with a top end of the bass voice coil 16, and a bottom end portion of the bass voice coil 16 extends into the bass magnetic gap.

Further, the bass diaphragm 15 includes a flat top 18, a bass diaphragm, and a bass corrugated rim, the flat top 18, the bass diaphragm, and the bass corrugated rim are of an integral structure, and the flat top 18 is a circular plane. Specifically, second casing 2, second magnetic circuit component 3 and second vibration subassembly 4 have constituted bass unit's independent sound producing cavity jointly, have effectively promoted the low frequency audio of receiver.

Further, the diameters of the first magnetic circuit assembly 3 and the first vibration assembly 4 are smaller than the diameter of the arc top 17, and the diameters of the second magnetic circuit assembly 5 and the second vibration assembly 6 are smaller than the diameter of the flat top 18.

Further, the height of the high pitch unit is 20-30mm, and the height of the low pitch unit is 40-50 mm. The amplitude of the high-pitch diaphragm 10 in the high-pitch unit is smaller, and the amplitude of the low-pitch diaphragm 15 in the low-pitch unit is relatively larger.

According to the earphone receiver, the high pitch unit and the low pitch unit are coaxially arranged, so that the earphone receiver has a wider frequency response range, the high pitch unit and the low pitch unit are respectively provided with the independent acoustic cavities, magnetic loop and sound wave interference between the high pitch unit and the low pitch unit are effectively avoided, and the acoustic characteristics of the earphone receiver are improved.

The above-described embodiments are preferred implementations of the present invention, and the present invention may be implemented in other ways without departing from the spirit of the present invention.

Claims

1. A double-frequency coaxial earphone receiver is characterized in that: including a high pitch unit and a bass unit, the high pitch unit includes first casing, first magnetic circuit subassembly and first vibration subassembly all set up in first casing, the bass unit includes second casing, second magnetic circuit subassembly and second vibration subassembly all set up in the second casing, the high pitch unit is coaxial to be set up in the top of bass unit, and passes through the outer fringe of first casing and the top fixed connection of second casing.

2. The dual-band coaxial earphone receiver of claim 1, wherein: the middle part of first casing is provided with the mounting hole that is used for installing first magnetic circuit subassembly and first vibration subassembly, the outer fringe of first casing is provided with the recess that is used for with second casing butt.

3. The dual-band coaxial earphone receiver of claim 1, wherein: the first magnetic circuit component comprises a first U-shaped iron, a first magnet and a first washer, a U-shaped groove is formed in the first U-shaped iron, the first magnet and the first washer are sequentially arranged in the U-shaped groove, and high-pitch magnetic gaps are reserved between the first magnet and the inner side wall of the first washer and the inner side wall of the first U-shaped iron.

4. A dual-band coaxial earphone receiver according to claim 3, characterized in that: first vibration subassembly includes high pitch vibrating diaphragm and high pitch voice coil loudspeaker voice coil, the bottom of high pitch vibrating diaphragm and the top fixed connection of high pitch voice coil loudspeaker voice coil, the bottom part of high pitch voice coil loudspeaker voice coil stretches into in the high pitch magnetic gap.

5. The dual-band coaxial earphone receiver of claim 4, wherein: the high pitch diaphragm package includes arc top, high pitch diaphragm and high pitch corrugated ring, arc top, high pitch diaphragm and high pitch corrugated ring structure as an organic whole, the arc top is the bellied cambered surface that makes progress.

6. The dual-band coaxial earphone receiver of claim 1, wherein: the second magnetic circuit component comprises a second U iron, a second magnet and a second washer, the second U iron is provided with a cavity, the second magnet and the second washer are arranged in the cavity, a low-frequency magnetic gap is arranged between the second magnet and the inner side wall of the second washer and the inner side wall of the second U iron, and the second washer is arranged above the second magnet.

7. The dual-band coaxial earphone receiver of claim 6, wherein: the second vibration subassembly includes bass vibrating diaphragm and bass voice coil loudspeaker voice coil, the bottom of bass vibrating diaphragm and the top fixed connection of bass voice coil loudspeaker voice coil, the bottom part of bass voice coil loudspeaker voice coil stretches into in the bass magnetic gap.

8. The dual-band coaxial earphone receiver of claim 7, wherein: the bass diaphragm comprises a flat top, a bass diaphragm and a bass folding ring, the flat top, the bass diaphragm and the bass folding ring are of an integrated structure, and the flat top is a circular plane.

9. The dual-band coaxial earphone receiver of claim 1, wherein: the diameters of the first magnetic circuit assembly and the first vibration assembly are smaller than the diameter of the arc top, and the diameters of the second magnetic circuit assembly and the second vibration assembly are smaller than the diameter of the flat top.

10. The dual-band coaxial earphone receiver of claim 1, wherein: the height of the high pitch unit is 20-30mm, and the height of the low pitch unit is 40-50 mm.