CN216625991U

CN216625991U - Low temperature resistant noise reduction loudspeaker

Info

Publication number: CN216625991U
Application number: CN202220125931.4U
Authority: CN
Inventors: 马静; 张亮亮; 戴晓春
Original assignee: Dongguan Huilongxin Electronic Co ltd
Current assignee: Dongguan Huilongxin Electronic Co ltd
Priority date: 2022-01-18
Filing date: 2022-01-18
Publication date: 2022-05-27
Anticipated expiration: 2032-01-18

Abstract

The utility model belongs to the technical field of loudspeakers, in particular to a low-temperature-resistant noise-reducing loudspeaker.A protective shell is arranged outside an inner shell, the edges of the upper ends of the inner shell and the protective shell are fixed by bolts, a supporting rubber ring is arranged between a sounding component and the protective shell, a heating resistance block is arranged inside the lower end of the inner shell, carbon fiber heat-conducting cloth is arranged on the inner side surface of the inner shell, and the lower end of the carbon fiber heat-conducting cloth is wrapped outside the heating resistance block; thereby the outer protective housing of being convenient for protects interior casing to the security that the speaker used has been improved, is provided with the support simultaneously between pronunciation subassembly and the outer protective housing and glues the ring, is convenient for support to glue the ring and cushions pronunciation subassembly, and the inside heating resistor piece that sets up of interior casing lower extreme simultaneously passes through carbon fiber heat conduction cloth after the heating of the heating resistor piece of being convenient for and transmits, thereby is convenient for increase the speaker at the temperature of cold environment use.

Description

Low temperature resistant noise reduction loudspeaker

Technical Field

The utility model belongs to the technical field of loudspeakers, and particularly relates to a low-temperature-resistant noise-reduction loudspeaker.

Background

The loudspeaker is a transducer for converting an electric signal into an acoustic signal, and the quality of the loudspeaker has great influence on the sound quality. The loudspeaker is the weakest component in the audio equipment, and is the most important component for the audio effect. Loudspeakers are of a wide variety and vary widely in price. The audio frequency electric energy makes the paper cone or the diaphragm vibrate and generate resonance (resonance) with the surrounding air through electromagnetic, piezoelectric or electrostatic effect to make sound. The traditional loudspeaker is poor in stability when used, and the performance of the loudspeaker is unstable when used in a low-temperature environment, and noise is difficult to reduce.

SUMMERY OF THE UTILITY MODEL

To solve the problems set forth in the background art described above. The utility model provides a low-temperature-resistant noise reduction loudspeaker.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a low temperature resistant speaker of making an uproar that falls, includes interior casing to and install the pronunciation subassembly at interior casing middle part, the outside of interior casing is provided with outer casing, and the edge of interior casing and outer casing upper end passes through the bolt fastening, install between pronunciation subassembly and the outer casing and support the gluey ring, the inside of interior casing lower extreme is provided with the heating resistance piece, the interior side surface of interior casing is provided with carbon fiber heat conduction cloth, and the lower extreme parcel of carbon fiber heat conduction cloth is in the outside of heating resistance piece, the inboard of interior casing is provided with the polyester layer, the internal surface on polyester layer is provided with metal coating, the inboard on polyester layer is provided with the soundboard that permeates, interior casing upper end is provided with the film protection casing, and the marginal integrated into one piece of film protection casing has the damping ring, the internal surface mounting of damping ring and interior casing upper end.

As a preferred technical scheme of the low temperature resistant noise reduction loudspeaker, the inner shell is in a horn shape, and the upper ends of the inner shell and the outer protective shell are both provided with skirt edges.

In a preferred embodiment of the low temperature resistant noise reduction speaker according to the present invention, the heating resistor blocks are columnar, and the heating resistor blocks are distributed in the lower end of the inner casing at equal intervals.

As the preferable technical scheme of the low temperature resistant noise reduction loudspeaker, the thickness of the metal coating is 0.1 mm.

According to the preferred technical scheme of the low-temperature-resistant noise-reduction loudspeaker, the sound transmission plate is in a horn shape, and the surface of the sound transmission plate is provided with a hole with an opening pointing to the metal coating.

As the preferable technical scheme of the low-temperature-resistant noise-reduction loudspeaker, the damping ring is of a double-layer structure and is provided with the corrugated ring.

According to the preferable technical scheme of the low-temperature-resistant noise-reduction loudspeaker, the inner surface and the outer surface of the supporting rubber ring are both in a broken line shape.

Compared with the prior art, the utility model has the beneficial effects that: the outer protection shell arranged outside the inner shell is used, the upper end edges of the outer protection shell and the inner shell are fixed through the bolts, so that the outer protection shell can protect the inner shell conveniently, the use safety of the loudspeaker is improved, meanwhile, a supporting rubber ring is arranged between the sounding component and the outer protection shell and is used for buffering the sounding component conveniently, meanwhile, the heating resistance block arranged inside the lower end of the inner shell is used for facilitating the transmission of the heating resistance block through the carbon fiber heat conducting cloth after being heated, so that the use temperature of the loudspeaker in a cold environment is increased conveniently, the material change caused by the use of the loudspeaker in the cold environment is avoided, the use stability of the loudspeaker in the cold environment is increased, meanwhile, the polyester layer arranged on the inner side of the carbon fiber heat conducting cloth and the metal coating arranged on the inner surface of the polyester layer are used for reflecting the sound emitted by the sounding component through the metal coating, simultaneously the inboard on polyester layer is provided with the soundboard that passes through, is convenient for pass through the soundboard and filters the sound that the metallic coating reflects to improved the tone quality of speaker pronunciation, the film protection casing that the interior casing upper end set up simultaneously, and film protection casing edge is provided with the damping ring, and damping ring and interior casing upper end internal surface fixation, the interior casing of being convenient for protects pronunciation subassembly.

Drawings

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

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged schematic view of the structure at A in FIG. 1;

FIG. 3 is an enlarged view of the structure at B in FIG. 1;

FIG. 4 is a schematic view of a supporting rubber ring structure according to the present invention;

in the figure: 1. an outer protective shell; 2. an inner housing; 3. a sound-producing component; 4. a support rubber ring; 5. heating the resistance block; 6. carbon fiber heat-conducting cloth; 7. a polyester layer; 8. a metal plating layer; 9. a sound transmission plate; 10. a film shield; 11. a shock absorbing ring.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Examples

Referring to fig. 1-4, the present invention provides a technical solution: a low temperature resistant noise reduction loudspeaker comprises an inner shell 2 and a sounding component 3 arranged in the middle of the inner shell 2, an outer protective shell 1 is arranged outside the inner shell 2, the edges of the upper ends of the inner shell 2 and the outer protection shell 1 are fixed by bolts, a supporting rubber ring 4 is arranged between the sounding component 3 and the outer protection shell 1, a heating resistance block 5 is arranged inside the lower end of the inner shell 2, a carbon fiber heat-conducting cloth 6 is arranged on the inner side surface of the inner shell 2, the lower end of the carbon fiber heat conducting cloth 6 is wrapped outside the heating resistance block 5, the inner side of the inner shell 2 is provided with a polyester layer 7, the inner surface of the polyester layer 7 is provided with a metal coating layer 8, the inner side of the polyester layer 7 is provided with a sound transmission plate 9, the upper end of the inner shell 2 is provided with a thin film protective cover 10, and the edge of the film cover 10 is integrally formed with a damping ring 11, and the damping ring 11 is fixed to the inner surface of the upper end of the inner housing 2.

In the embodiment, the outer protective shell 1 arranged outside the inner shell 2 is used, the upper end edges of the outer protective shell 1 and the inner shell 2 are fixed through bolts, so that the outer protective shell 1 can protect the inner shell 2 conveniently, the use safety of the loudspeaker is improved, the support rubber ring 4 is arranged between the sounding component 3 and the outer protective shell 1, the support rubber ring 4 is used for buffering the sounding component 3 conveniently, the heating resistance block 5 arranged inside the lower end of the inner shell 2 is used for transmitting through the carbon fiber heat conducting cloth 6 after the heating resistance block 5 is heated, so that the use temperature of the loudspeaker in a cold environment is increased conveniently, the situation that the loudspeaker is used in a cold environment to cause material change is avoided, the use stability of the loudspeaker in the cold environment is increased, meanwhile, the polyester layer 7 arranged on the inner side of the carbon fiber heat conducting cloth 6 and the metal coating layer 8 arranged on the inner surface of the polyester layer 7 are also adopted, the sound that is convenient for polyester layer 7 to send pronunciation subassembly 3 through metal coating 8 reflects, the inboard of polyester layer 7 is provided with sound board 9 that passes through simultaneously, sound board 9 that is convenient for pass through filters the sound that metal coating 8 reflects, thereby the tone quality of speaker pronunciation has been improved, the film protection casing 10 that sets up in 2 upper ends of interior casing simultaneously, and film protection casing 10 edge is provided with damping ring 11, and damping

ring

11 and 2 upper end internal surface fixing of interior casing, the interior casing 2 of being convenient for protects pronunciation subassembly 3.

Specifically, the inner housing 2 is in a horn shape, and skirt rims are arranged at the upper ends of the inner housing 2 and the outer protecting housing 1. In this embodiment, it is convenient for the inner case 2 to converge the emitted sound.

Specifically, the heating resistor blocks 5 are columnar, and the heating resistor blocks 5 are distributed at equal intervals inside the lower end of the inner case 2. In this embodiment, the carbon fiber heat-conducting cloth 6 is heated after the heating resistance block 5 is electrified.

Specifically, the thickness of the metal plating layer 8 is 0.1 mm. In this embodiment, the metal plating layer 8 is convenient to reflect sound.

Specifically, the sound-transmitting plate 9 is horn-shaped, and a hole with an opening pointing to the metal plating layer 8 is formed in the surface of the sound-transmitting plate 9. In this embodiment, the sound transmission plate 9 is convenient to transmit sound in one direction.

Specifically, the damping ring 11 is a double-layer structure, and the damping ring 11 is provided with a corrugated ring. In this embodiment, the damping ring 11 is convenient to vibrate along with the film cover 10.

Specifically, the inner and outer surfaces of the support rubber ring 4 are both in a broken line shape. In this embodiment, the supporting rubber ring 4 is convenient to buffer the sounding component 3.

The working principle and the using process of the utility model are as follows: during the use, the sound that pronunciation subassembly 3 sent is partly to see through the direct outside transmission of film protection casing 10, and another part outwards transmits after reflecting through metal coating 8 simultaneously, sees through the hole that the surface was seted up of penetrating the soundboard 9 during sound reflection simultaneously, and penetrating the soundboard 9 simultaneously blocks the sound in the outside, and film protection casing 10 takes marginal outer protective casing 1 vibrations when following sound vibrations, and when the speaker was used in cold environment simultaneously, heating resistance block 5 was through heating carbon fiber heat conduction cloth 6 for the speaker temperature risees.

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 changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. 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. The utility model provides a low temperature resistant speaker that makes an uproar that falls, includes interior casing (2) to and install pronunciation subassembly (3) at interior casing (2) middle part, its characterized in that: the outer protection shell (1) is arranged outside the inner shell (2), the edges of the upper ends of the inner shell (2) and the outer protection shell (1) are fixed through bolts, a supporting rubber ring (4) is installed between the sounding component (3) and the outer protection shell (1), a heating resistance block (5) is arranged inside the lower end of the inner shell (2), carbon fiber heat conducting cloth (6) is arranged on the inner side surface of the inner shell (2), the lower end of the carbon fiber heat conducting cloth (6) is wrapped outside the heating resistance block (5), a polyester layer (7) is arranged inside the inner shell (2), a metal coating (8) is arranged on the inner surface of the polyester layer (7), a sound transmission plate (9) is arranged inside the polyester layer (7), a thin film protection cover (10) is arranged on the upper end of the inner shell (2), and a damping ring (11) is integrally formed on the edge of the thin film protection cover (10), the damping ring (11) is fixed with the inner surface of the upper end of the inner shell (2).

2. A low temperature resistant noise reducing speaker as claimed in claim 1, wherein: the inner shell (2) is horn-shaped, and the upper ends of the inner shell (2) and the outer protecting shell (1) are provided with skirt edges.

3. A low temperature resistant noise reducing speaker as claimed in claim 1, wherein: the heating resistance blocks (5) are columnar, and the heating resistance blocks (5) are distributed in the lower end of the inner shell (2) at equal intervals.

4. A low temperature resistant noise reducing speaker as claimed in claim 1, wherein: the thickness of the metal coating (8) is 0.1 mm.

5. A low temperature resistant noise reducing speaker as claimed in claim 1, wherein: the sound transmission plate (9) is in a horn shape, and a hole with an opening pointing to the metal coating (8) is formed in the surface of the sound transmission plate (9).

6. A low temperature resistant noise reducing speaker as claimed in claim 1, wherein: the shock absorption ring (11) is of a double-layer structure, and the shock absorption ring (11) is provided with a corrugated ring.

7. A low temperature resistant noise reducing speaker as claimed in claim 1, wherein: the inner surface and the outer surface of the supporting rubber ring (4) are both in a broken line shape.