CN218352711U

CN218352711U - Double-horn sound box with pyramid-shaped partition plate

Info

Publication number: CN218352711U
Application number: CN202222555487.2U
Authority: CN
Inventors: 钟明达
Original assignee: Shenzhen Jingda Youban Technology Co ltd
Current assignee: Shenzhen Jingda Youban Technology Co ltd
Priority date: 2022-09-23
Filing date: 2022-09-23
Publication date: 2023-01-20
Anticipated expiration: 2032-09-23

Abstract

The utility model discloses a two loudspeaker stereo sets with pyramid shape baffle, including sound housing (100), sound housing (100) both sides are angle symmetry form and set up two loudspeaker, set up between two loudspeaker that baffle (2) cut off sound housing, and the bottom that is located sound housing (100) sets up a sealed shell (7). The utility model discloses be angle symmetry with two loudspeaker and describe and lay, and set up the pyramid baffle in the middle of two loudspeakers, the guide duct structure of cooperation closing plate, make the stereo set guaranteed that acoustic treatment weakens the standing wave, absorb unnecessary sound wave, solve the sound resonance, tone quality is thoughtlessly unclear, reduce standing wave and sympathetic response, greatly increased the low frequency effect, the sound wave that makes the bass spread overlaps with the positive sound wave of speaker and reaches and strengthens the sound wave benefit, the sound source sound field of expansion, make the acoustic resistance of audio amplifier bass lower limit frequency sound match more, the bass is heard thickly more, it is full.

Description

Double-horn sound box with pyramid-shaped partition plate

Technical Field

The utility model relates to a stereo set, concretely relates to two loudspeaker stereo sets with pyramid shape baffle.

Background

The stereo set is the sound equipment of putting outward that commonly uses, and traditional stereo set generally all includes casing, loudspeaker and vibrating diaphragm, but traditional stereo set when using, the ubiquitous following problem:

1. when the bass loudspeaker of the sound vibrates, the phase position of the box body is just opposite to that of the loudspeaker, so that the low-frequency signal of the loudspeaker is weakened by the low-frequency signal emitted by the vibration of the box body, and the low-frequency performance of the sound is seriously influenced;

2. a pyramid partition plate is not used between two loudspeakers of a traditional sound box, so that air convection is generated during playing, a loudspeaker cone is concave and convex, and large distortion is generated to generate resonance;

3. because the loudspeaker with symmetrical angle is not used, the sound range phase is not pleasant.

Disclosure of Invention

The utility model aims to solve the technical problem that a two loudspeaker stereo sets with pyramid shape baffle are angle symmetry form with two loudspeakers and lay to set up the pyramid baffle in the middle of two loudspeakers, the wind-guiding tube structure of cooperation closing plate can effectually solve not enough among the prior art.

The utility model discloses a realize through following technical scheme: the utility model provides a two loudspeaker stereo sets with pyramid shape baffle, includes sound box body, sound box body both sides are angle symmetry form and set up two loudspeaker, set up a baffle between two loudspeaker and cut off sound box body to form two cavities and be used for installing loudspeaker, the bottom that is located sound box body sets up a sealed shell, and sealed shell medial extremity sets up a vibrating diaphragm, and the vibrating diaphragm uses the baffle to establish in two loudspeaker bottoms for the center branch, is provided with the wind-guiding structure who switches on with the external world on the sealed shell, and the vibrating diaphragm output communicates with each other with the wind-guiding structure.

As a preferred technical scheme, the air guide structure on the sealed shell adopts an air guide pipe, an air guide cavity is formed in the sealed shell, the inner side end of the air guide pipe is communicated with the air guide cavity, the outer side end of the air guide pipe is communicated with the outside, and the outer side end of the air guide pipe is in a horn opening shape.

As a preferred technical scheme, the two loudspeakers comprise a first loudspeaker and a second loudspeaker, the first loudspeaker and the second loudspeaker are symmetrically arranged, and an included angle with a symmetrical angle is formed between the first loudspeaker and the horizontal plane, and between the second loudspeaker and the horizontal plane.

As a preferred technical scheme, two sides of the partition plate are respectively and integrally provided with a plurality of tower-shaped blocks arranged side by side, and the bottom of the partition plate is provided with a yielding groove for accommodating the vibrating diaphragm.

As a preferred technical scheme, the shell comprises a first shell and a second shell, the first shell and the second shell are in butt joint, and the sealing shell is installed on one side of the shell.

The utility model has the advantages that: 1. the utility model uses pyramid clapboard, the absorption frequency can reach more than 500Hz, thus ensuring that the acoustic treatment weakens the standing wave, absorbing the redundant sound wave, solving the sound resonance, the tone quality is unclear, and reducing the standing wave and the resonance;

2. the utility model discloses use the guide duct, the bass vibrations that work as the stereo set produce the first harmonic, reach the guide duct and produce the second harmonic once more, greatly increased the low frequency effect, make the sound wave that the bass spreads overlap with the positive sound wave of speaker and reach and strengthen the sound wave benefit. The problem that when the bass loudspeaker of the sound vibrates, the phase position of the box body is just opposite to the phase position of the loudspeaker, so that the low-frequency signal of the loudspeaker is weakened by the low-frequency signal emitted by the vibration of the box body, and the low-frequency performance of the sound is seriously influenced is solved;

3. the utility model discloses two angle symmetries solve the reflected sound composition of bass, reduce bass reflex's harmful effects, the sound source sound field of expansion for the acoustic resistance of audio amplifier bass lower limit frequency sound matches more, and the bass sounds thick and full more.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

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

FIG. 2 is an exploded view of the present invention;

FIG. 3 is a schematic view of the present invention with the outer shell removed;

fig. 4 is a schematic structural view of the sealing shell of the present invention;

FIG. 5 is a schematic view of the partition plate according to the present invention;

description of reference numerals:

1. a first housing; 2. a partition plate; 3. a second housing; 4. a first horn; 5. a second horn; 6. vibrating diaphragm; 7. sealing the shell; 71. an air guide pipe; 21. a tower-shaped block; 100. a sound housing.

Detailed Description

All of the features disclosed in this specification, or all of the steps in any method or process so disclosed, may be combined in any combination, except combinations of features and/or steps that are mutually exclusive.

Any feature disclosed in this specification (including any accompanying claims, abstract and drawings), may be replaced by alternative features serving equivalent or similar purposes, unless expressly stated otherwise. That is, unless expressly stated otherwise, each feature is only an example of a generic series of equivalent or similar features.

As shown in fig. 1-3, the utility model discloses a two loudspeaker stereo sets with pyramid shape baffle, including sound housing 100, sound housing 100 both sides are angle symmetry form and set up two loudspeaker, set up 2 partitions sound housing of a baffle between two loudspeaker to form two cavities and be used for installing loudspeaker, the bottom that is located sound housing 100 sets up a sealed shell 7, sealed shell 7 medial extremity sets up a vibrating diaphragm 6, vibrating diaphragm 6 uses baffle 2 to establish in two loudspeaker bottoms for the center branch, be provided with the wind-guiding structure who switches on with the external world on sealed shell 7, vibrating diaphragm 6 output communicates with each other with wind-guiding structure.

As shown in fig. 4, the air guide structure on the sealed casing 7 adopts an air guide pipe 71, an air guide cavity is formed in the sealed casing 7, the inner end of the air guide pipe 71 is communicated with the air guide cavity, the outer end of the air guide pipe 71 is communicated with the outside, and the outer end of the air guide pipe 71 is in a horn-opening shape.

In this embodiment, as shown in fig. 2 and fig. 3, the two speakers include a first speaker 4 and a second speaker 5, the first speaker 4 and the second speaker 5 are symmetrically disposed, and an angle between the first speaker 4 and the horizontal plane and an angle between the second speaker 5 and the horizontal plane are symmetric, where the angle is greater than 0 degree and smaller than 90 degrees, and because of the angle symmetry, the reflected sound component of bass is solved, the adverse effect of bass reflection is reduced, and the sound field of the sound source is enlarged, so that the acoustic resistance of the sound with the lower limit frequency of the bass of the sound box is more matched, and bass sounds thicker and fuller.

As shown in fig. 5, a plurality of tower-shaped blocks 21 arranged side by side are respectively integrally arranged on two sides of the partition board 2, and a yielding groove for accommodating the diaphragm 6 is formed at the bottom of the partition board 2, the tower-shaped blocks in the embodiment are pyramid-shaped, that is, the pyramid-shaped blocks are in a conical structure with four surfaces, and because the tower-shaped blocks are fully arranged on two sides of the partition board, the pyramid-shaped blocks are arranged on two sides of the partition board, so that the absorption frequency can reach over 500Hz, thus ensuring that the standing wave is weakened by the acoustic treatment, the redundant sound wave is absorbed, the sound resonance is solved, the tone quality is unclear, and the standing wave and the resonance are reduced.

The housing 100 includes a first housing 1 and a second housing 3, the first housing 1 and the second housing 3 are connected in an abutting manner, and the sealing case 7 is installed on one side of the housing 100.

The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that are not thought of through the creative work should be covered within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the protection scope defined by the claims.

Claims

1. The utility model provides a two loudspeaker stereo sets with pyramid shape baffle which characterized in that: including sound box body (100), sound box body (100) both sides are angle symmetry form and set up two loudspeaker, set up a baffle (2) between two loudspeaker and cut off sound box body to form two cavities and be used for installing loudspeaker, the bottom that is located sound box body (100) sets up a sealed shell (7), sealed shell (7) medial extremity sets up a vibrating diaphragm (6), vibrating diaphragm (6) use baffle (2) to establish in two loudspeaker bottoms for the center branch, be provided with the wind-guiding structure that switches on with the external world on sealed shell (7), vibrating diaphragm (6) output communicates with each other with wind-guiding structure.

2. The dual horn audio with pyramid shaped baffles of claim 1 wherein: the air guide structure on the sealing shell (7) adopts an air guide pipe (71), an air guide cavity is formed in the sealing shell (7), the inner side end of the air guide pipe (71) is communicated with the air guide cavity, the outer side end of the air guide pipe (71) is communicated with the outside, and the outer side end of the air guide pipe (71) is in a horn opening shape.

3. The dual horn audio with pyramid shaped baffles of claim 1, wherein: the two loudspeakers comprise a first loudspeaker (4) and a second loudspeaker (5), the first loudspeaker (4) and the second loudspeaker (5) are symmetrically arranged, and an included angle with symmetrical angles is formed between the first loudspeaker (4) and the horizontal plane, and between the second loudspeaker (5) and the horizontal plane.

4. The dual horn audio with pyramid shaped baffles of claim 1 wherein: the two sides of the partition plate (2) are respectively and integrally provided with a plurality of tower-shaped blocks (21) which are arranged side by side, and the bottom of the partition plate (2) is provided with a yielding groove for containing the vibrating diaphragm (6).

5. The dual horn audio with pyramid shaped baffles of claim 1, wherein: the shell (100) comprises a first shell (1) and a second shell (3), the first shell (1) and the second shell (3) are connected in a butt joint mode, and one side of the shell (100) is installed on the sealing shell (7).