CN216852337U

CN216852337U - Ultra-thin ultralow frequency loudspeaker

Info

Publication number: CN216852337U
Application number: CN202220623861.5U
Authority: CN
Inventors: 周雁; 赵胜武; 粟春燕
Original assignee: Shenzhen Hushan Technology Co ltd
Current assignee: Shenzhen Wanmagnesium Innovation Technology Co ltd
Priority date: 2022-03-21
Filing date: 2022-03-21
Publication date: 2022-06-28
Anticipated expiration: 2032-03-21

Abstract

The utility model relates to an ultra-low frequency speaker technical field specifically is an ultra-thin ultra-low frequency speaker, including the casing, the interior middle part of casing is provided with the sound production subassembly, and the sound production subassembly comprises magnet, a set of coil and the iron core of circular middle part fretwork, and a set of coil sets up the inner wall at magnet, and the iron core is arranged in the bottom of magnet and its middle part arch extends to the inside of coil, and the top of casing is provided with funnel type extension board, and the height of magnet is between 1-2cm, and magnet section lateral wall diameter is half of its height; the group of coils is formed by winding a 0.1-0.5mm copper wire for five to seven turns; the iron core is higher than the height of the funnel-shaped support plate. The utility model discloses under the condition that does not reduce the original volume of sound production subassembly, reducing magnet highly widening its lateral wall diameter, the diameter of reduction coil is in the quantity that increases the winding circle, lets the whole high reduction of this speaker, forms ultra-thin small and exquisite size to let this speaker use on some equipment and do not occupy too much space and can accomplish the installation.

Description

Ultra-thin ultralow frequency loudspeaker

Technical Field

The utility model relates to an ultra-low frequency speaker technical field specifically is an ultra-thin ultra-low frequency speaker.

Background

The loudspeaker is also called as a loudspeaker, is a very common electroacoustic transducer, and the ultra-low frequency loudspeaker is one of various loudspeakers, and is characterized in that the bass texture of sound is increased, so that the effect of syllable rhythm can be more effectively enhanced, and the real impact of a film is enhanced.

The existing ultra-low frequency loudspeaker is higher in height, so that the existing ultra-low frequency loudspeaker needs to occupy larger space when being applied to some equipment, and the reason is mainly caused by the height of a loudspeaker sounding component. Therefore, we improve this and propose an ultra-thin ultra-low frequency speaker.

SUMMERY OF THE UTILITY MODEL

The utility model provides an ultra-thin ultralow frequency speaker, which comprises a housin, the interior middle part of casing is provided with the sound production subassembly, the sound production subassembly comprises circular middle part fretwork magnet, a set of coil and iron core, and a set of the coil sets up the inner wall at magnet, the iron core is arranged in the bottom of magnet and its middle part arch extends to the inside of coil, the top of casing is provided with funnel type extension board, the top of funnel type extension board is provided with the cone, the height of magnet is between 1-2cm, magnet section lateral wall diameter is half its height; the group of coils is formed by winding 0.1-0.5mm copper wires for five to seven turns; the iron core is higher than the funnel-shaped support plate.

As an optimal technical scheme of the utility model, the outer border at casing top is provided with fixed frame, the outer border at funnel type extension board top and the bottom fixed connection of fixed frame, the bottom overlap joint of funnel type extension board is at the top of magnet.

As an optimal technical scheme of the utility model, the outer border of cone also with the fixed connection of fixed frame, the middle part of cone inlays and is equipped with the dust cover, the dust cover extends to the inside of coil.

As a preferred technical scheme of the utility model, the iron core is the type of falling T, the diameter of iron core bottom is greater than the diameter of magnet, the inside of dust cover is put at the top of iron core.

As an optimal technical scheme of the utility model, be provided with two support piece, two between the both sides of dust cover and the top of funnel type extension board support piece all is the wave and makes through elastic material.

As a preferred technical scheme of the utility model, the equal fixedly connected with diaphragm in both sides of magnet, two the one end of diaphragm respectively with shells inner wall's both sides fixed connection.

As an optimal technical scheme of the utility model, the front integration that is located the left side diaphragm has ultralow frequency receiving chip, ultralow frequency receiving chip is connected with wire one and wire two respectively, the one end of wire one with coil joint connects, the one end of wire two with install the interface connection in casing one side.

The utility model has the advantages that: this kind of ultra-thin ultralow frequency speaker, under the condition that does not reduce the original volume of sound production subassembly, the height of reducing magnet is widening its lateral wall diameter, and the diameter of reducing coil is increasing the quantity of winding circle, lets the whole height of this speaker reduce, forms ultra-thin small and exquisite size to do not occupy too much space and can accomplish the installation when letting this speaker use on some equipment.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic diagram of a partially cut-away plane structure of an ultra-thin ultra-low frequency speaker according to the present invention;

fig. 2 is a schematic view of the whole internal cross-sectional plane structure of the ultra-thin ultra-low frequency speaker of the present invention.

In the figure: 1. a housing; 2. a sound producing assembly; 21. a magnet; 22. a coil; 23. an iron core; 3. A funnel-shaped support plate; 4. a paper basin; 5. a dust cover; 6. a support member; 7. a transverse plate; 8. an ultra-low frequency receiving chip; 9. a first lead; 10. a second conducting wire; 11. an interface; 12. and fixing the frame.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.

Example (b): as shown in fig. 1-2, the utility model relates to an ultra-thin ultra-low frequency speaker, including casing 1, the interior middle part of casing 1 is provided with sound production subassembly 2, sound production subassembly 2 comprises magnet 21, a set of coil 22 and iron core 23 that circular middle part was fretwork, a set of coil 22 sets up the inner wall at magnet 21, iron core 23 is arranged in magnet 21's bottom middle part arch and is extended to the inside of coil 22, the top of casing 1 is provided with funnel type extension board 3, the top of funnel type extension board 3 is provided with cone 4, magnet 21's height is between 1-2cm, magnet 21 section lateral wall diameter is half of its height; the group of coils 22 is formed by winding a 0.1-0.5mm copper wire for five to seven turns; the iron core 23 is higher than the funnel-shaped support plate 3; by reducing the overall height of the sound generating module 2, the height of the speaker is further reduced compared with the conventional speaker, so that the speaker is formed into an ultra-thin and small shape.

A fixed frame 12 is arranged on the outer edge of the top of the shell 1, the outer edge of the top of the funnel-shaped support plate 3 is fixedly connected with the bottom of the fixed frame 12, and the bottom end of the funnel-shaped support plate 3 is lapped on the top of the magnet 21; two supporting pieces 6 are arranged between the two sides of the dust cover 5 and the top of the funnel-shaped supporting plate 3, and the two supporting pieces 6 are both made of elastic materials in a wave shape; the fixed frame 2 plays a role in increasing the strength of the outer edge of the top of the shell 1 and plays a role in connecting points with the funnel-shaped support plate 3; the funnel-shaped support plate 3 supports and fixes the cone 4 through the two support pieces 6, meanwhile, the cigarette is transmitted with the vibration caused by the iron support 23, and the cone 4 can reset under the elastic action of the support pieces 6 after receiving the vibration once.

The outer edge of the cone 4 is also fixedly connected with the fixed frame 12, a dust cover 5 is embedded in the middle of the cone 4, and the dust cover 5 extends into the coil 22; the iron core 23 is of an inverted T shape, the diameter of the bottom of the iron core 23 is larger than that of the magnet 21, and the top of the iron core 23 is arranged in the dust cover 5; the dust cover 5 plays a role, and the dust accumulation can be greatly reduced because the outer convex shape of the dust cover 5 is compared with the existing inner concave shape; an alternating current is input to generate an alternating magnetic field through the coil 22, and the alternating magnetic field makes a motion perpendicular to the current direction of the voice coil under the action of the magnet 21 and the iron core 23. The voice coil moves to drive the cone 4 to vibrate back and forth, and the vibration of the cone 4 pushes the air to vibrate, so that people can feel sound. The larger the alternating current, the stronger the magnetic field, and the greater the vibration amplitude of the cone 22 of the loudspeaker, the greater the corresponding sound.

Both sides of the magnet 21 are fixedly connected with transverse plates 7, and one ends of the two transverse plates 7 are respectively and fixedly connected with both sides of the inner wall of the shell 1; an ultralow frequency receiving chip 8 is integrated on the front surface of the left transverse plate 7, the ultralow frequency receiving chip 8 is respectively connected with a first lead 9 and a second lead 10, one end of the first lead 9 is connected with a joint of a coil 22, and one end of the second lead 10 is connected with an interface 11 arranged on one side of the shell 1; leading in ultra-low frequency audio data from an interface 11, transmitting the ultra-low frequency audio data into an ultra-low frequency receiving chip 8 through a second lead wire 10 to complete the reception of the ultra-low frequency audio data, and then leading the ultra-low frequency audio data into a coil 22 through a first lead wire 10 to generate an ultra-low frequency magnetic field, wherein the type number is as follows: si 3933.

In the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. An ultra-thin ultra-low frequency loudspeaker comprises a shell (1), wherein a sounding component (2) is arranged in the middle of the inside of the shell (1), the sounding component (2) is composed of a magnet (21) with a hollow circular middle part, a group of coils (22) and an iron core (23), the group of coils (22) is arranged on the inner wall of the magnet (21), the iron core (23) is arranged at the bottom of the magnet (21), the middle of the iron core is protruded to extend into the coil (22), a funnel-shaped support plate (3) is arranged at the top of the shell (1), a cone (4) is arranged at the top of the funnel-shaped support plate (3), the ultra-thin ultra-low frequency loudspeaker is characterized in that the height of the magnet (21) is 1-2cm, and the diameter of the section side wall of the magnet (21) is one half of the height; one group of coils (22) is formed by winding copper wires with the thickness of 0.1-0.5mm for five to seven turns; the iron core (23) is higher than the funnel-shaped support plate (3).

2. The ultra-thin ultra-low frequency loudspeaker according to claim 1, wherein the outer edge of the top of the casing (1) is provided with a fixed frame (12), the outer edge of the top of the funnel-shaped support plate (3) is fixedly connected with the bottom of the fixed frame (12), and the bottom end of the funnel-shaped support plate (3) is lapped on the top of the magnet (21).

3. The ultra-thin ultra-low frequency speaker as claimed in claim 2, wherein the outer edge of the cone (4) is also fixedly connected with the fixed frame (12), a dust cover (5) is embedded in the middle of the cone (4), and the dust cover (5) extends to the inside of the coil (22).

4. The ultra-thin ultra-low frequency speaker as claimed in claim 3, wherein the iron core (23) is of an inverted T shape, the diameter of the bottom of the iron core (23) is larger than that of the magnet (21), and the top of the iron core (23) is disposed inside the dust cover (5).

5. An ultra-thin ultra-low frequency loudspeaker according to claim 3, wherein two supporting members (6) are arranged between both sides of the dust cover (5) and the top of the funnel-shaped support plate (3), and both of the supporting members (6) are made of elastic material in a wave shape.

6. The ultra-thin ultra-low frequency speaker as claimed in claim 1, wherein both sides of the magnet (21) are fixedly connected with the transverse plates (7), and one ends of the two transverse plates (7) are respectively fixedly connected with both sides of the inner wall of the housing (1).

7. The ultra-thin ultra-low frequency speaker as claimed in claim 6, wherein an ultra-low frequency receiving chip (8) is integrated on the front surface of the horizontal plate (7) on the left side, the ultra-low frequency receiving chip (8) is connected with a first lead (9) and a second lead (10) respectively, one end of the first lead (9) is connected with the coil (22) in a joint manner, and one end of the second lead (10) is connected with an interface (11) installed on one side of the housing (1).