阅读说明：本技术 差动式指向低频音箱 (Differential directional low-frequency sound box ) 是由 王进仲 廖海金 于 2019-03-19 设计创作，主要内容包括：本发明属于音箱技术领域,尤其为差动式指向低频音箱,包括箱体,所述箱体的顶部和底部内壁上分别固定安装有第一竖板和第二竖板,所述第一竖板和第二竖板的两侧分别和箱体的两侧内壁固定连接,所述第一竖板和第二竖板相互靠近的一侧固定安装有同一个横板,所述横板的两侧分别和箱体的两侧内壁固定连接,所述第一竖板和第二竖板上分别固定安装有第一喇叭和第二喇叭,所述箱体的两侧内壁上均开设有通孔,所述第一喇叭和第二喇叭分别与对应的通孔相适配。本发明实用性高,通过两个相同的低频音箱互为反相电气连接并在音箱内前后相向摆放,保证低频能量指向正前方。(The invention belongs to the technical field of sound boxes, and particularly relates to a differential directional low-frequency sound box which comprises a box body, wherein a first vertical plate and a second vertical plate are fixedly installed on the inner walls of the top and the bottom of the box body respectively, the two sides of the first vertical plate and the second vertical plate are fixedly connected with the inner walls of the two sides of the box body respectively, one side, close to each other, of the first vertical plate and one side, close to each other, of the second vertical plate are fixedly installed with a transverse plate, the two sides of the transverse plate are fixedly connected with the inner walls of the two sides of the box body respectively, a first loudspeaker and a second loudspeaker are fixedly installed on the first vertical plate and the second vertical plate respectively, through holes are formed in the inner walls of the two sides of the. The invention has high practicability, and ensures that the low-frequency energy points to the dead ahead by electrically connecting the two same low-frequency sound boxes in opposite phases and arranging the two same low-frequency sound boxes in the front and back directions in the sound boxes in opposite directions.)

1. A differential directional low-frequency sound box comprises a box body (1) and is characterized in that a first vertical plate (2) and a second vertical plate (3) are fixedly arranged on the inner walls of the top and the bottom of the box body (1) respectively, the two sides of the first vertical plate (2) and the second vertical plate (3) are respectively fixedly connected with the inner walls of the two sides of the box body (1), one side of the first vertical plate (2) and one side of the second vertical plate (3) which are close to each other are fixedly provided with a transverse plate (4), two sides of the transverse plate (4) are respectively fixedly connected with the inner walls of two sides of the box body (1), a first loudspeaker (5) and a second loudspeaker (6) are respectively and fixedly arranged on the first vertical plate (2) and the second vertical plate (3), through-hole (7) have all been seted up on the both sides inner wall of box (1), first loudspeaker (5) and second loudspeaker (6) respectively with through-hole (7) looks adaptation that corresponds.

2. The differential directional low frequency sound box according to claim 1, wherein the first vertical plate (2) and the second vertical plate (3) are provided with mounting holes, and the first speaker (5) and the second speaker (6) are respectively fixedly connected with the inner walls of the corresponding mounting holes.

3. The differential directional bass loudspeaker according to claim 1, wherein a dust screen is fixedly mounted in both through holes (7).

Technical Field

The invention relates to the technical field of sound boxes, in particular to a differential directional low-frequency sound box.

Background

The sound box is the terminal of the whole sound system, its function is to convert the audio frequency electric energy into the corresponding sound energy, and radiate it to the space, it is the very important component of the sound system, the task of changing the electric signal into the sound signal for the ear of the person to listen directly is born, the sound box is various, according to the frequency of playing divide into whole frequency band sound box, bass sound box and ultra bass sound box, wherein bass sound box and ultra bass sound box are used for complementing the low frequency of the whole frequency band sound box and ultra bass sound box specialized sound box of playing, this kind of sound box is used in the large and medium sound system generally, in order to strengthen the dynamics and the impact sense of the low frequency playing.

Most low-frequency boxes in the market are nondirectional, the front and rear energy is strong, and the rear harmful energy influences the stage.

We therefore propose a differential directional bass enclosure to solve the above problems.

Disclosure of Invention

The invention aims to solve the defects in the prior art and provides a differential directional low-frequency sound box.

In order to achieve the purpose, the invention adopts the following technical scheme: directional low frequency audio amplifier of differential type, the power distribution box comprises a box body, on the top of box and the bottom inner wall respectively fixed mounting have first riser and second riser, the both sides of first riser and second riser respectively with the both sides inner wall fixed connection of box, one side fixed mounting that first riser and second riser are close to each other has same diaphragm, the both sides of diaphragm respectively with the both sides inner wall fixed connection of box, on first riser and the second riser respectively fixed mounting have first loudspeaker and second loudspeaker, the through-hole has all been seted up on the both sides inner wall of box, first loudspeaker and second loudspeaker respectively with the through-hole looks adaptation that corresponds.

Preferably, all seted up the mounting hole on first riser and the second riser, first loudspeaker and second loudspeaker respectively with the inner wall fixed connection of the mounting hole that corresponds.

Preferably, the two through holes are both fixedly provided with dust screens.

Compared with the prior art, the invention has the beneficial effects that: through the cooperation of devices such as box, first riser, second riser, diaphragm, first loudspeaker, second loudspeaker, through-hole, first riser, second riser and diaphragm cooperate, divide into antechamber and back chamber with the box, first loudspeaker and second loudspeaker are located back chamber and antechamber respectively, and first loudspeaker and second loudspeaker are each other reverse connection.

The invention has high practicability, and ensures that the low-frequency energy points to the dead ahead by electrically connecting the two same low-frequency sound boxes in opposite phases and arranging the two same low-frequency sound boxes in the front and back directions in the sound boxes in opposite directions.

Drawings

Fig. 1 is a schematic front sectional view of a differential directional low frequency speaker according to the present invention.

In the figure: 1. a box body; 2. a first vertical plate; 3. a second vertical plate; 4. a transverse plate; 5. a first horn; 6. a second horn; 7. and a through hole.

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.

Referring to fig. 1, the present embodiment provides a differential directional low-frequency sound box, including a box body 1, a first vertical plate 2 and a second vertical plate 3 are respectively and fixedly mounted on the top and bottom inner walls of the box body 1, two sides of the first vertical plate 2 and the second vertical plate 3 are respectively and fixedly connected to the inner walls of two sides of the box body 1, a same horizontal plate 4 is fixedly mounted on one side of the first vertical plate 2 and one side of the second vertical plate 3, which are close to each other, two sides of the horizontal plate 4 are respectively and fixedly connected to the inner walls of two sides of the box body 1, a first speaker 5 and a second speaker 6 are respectively and fixedly mounted on the first vertical plate 2 and the second vertical plate 3, through holes 7 are respectively formed on the inner walls of two sides of the box body 1, and the first speaker 5 and;

all seted up the mounting hole on first riser 2 and the second riser 3, first loudspeaker 5 and second loudspeaker 6 respectively with the inner wall fixed connection of the mounting hole that corresponds, equal fixed mounting has the dust screen in two through-holes 7.

In this embodiment, the first riser 2, the second riser 3, the transverse plate 4, the first horn 5, the second horn 6, the through hole 7 and other devices are matched, the first riser 2, the second riser 3 and the transverse plate 4 are matched, the box body 1 is divided into a front cavity and a rear cavity, the first horn 5 and the second horn 6 are respectively located in the rear cavity and the front cavity, and the first horn 5 and the second horn 6 are mutually connected in a reverse direction.

In this embodiment, first riser 2, second riser 3 and diaphragm 4 cooperate, divide into antechamber and back chamber with box 1, and first loudspeaker 5 and second loudspeaker 6 are located back chamber and antechamber respectively, and first loudspeaker 5 and second loudspeaker 6 each other are the reverse connection.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.