CN215300835U

CN215300835U - Sound post

Info

Publication number: CN215300835U
Application number: CN202121237432.6U
Authority: CN
Inventors: 顾先兵
Original assignee: Zhejiang Tenuoqi Electronics Co ltd
Current assignee: Zhejiang Tenuoqi Electronics Co ltd
Priority date: 2021-06-03
Filing date: 2021-06-03
Publication date: 2021-12-24
Anticipated expiration: 2031-06-03

Abstract

The utility model relates to a sound equipment field, more specifically says that it relates to a sound column. The key points of the technical scheme are as follows: the loudspeaker comprises a plurality of loudspeaker units, wherein each loudspeaker unit is provided with a mounting surface; the sound post is provided with a reference surface, the mounting surface is provided with a first diagonal line and a second diagonal line, the first diagonal line reference surface is parallel, and the second diagonal line and the reference surface are intersected to form a mounting included angle. By adopting the scheme, the sound column can obtain a larger sound field.

Description

Sound post

Technical Field

The utility model relates to a sound equipment field, more specifically says that it relates to a sound column.

Background

Each sound column is provided with a loudspeaker unit, and the main component of the loudspeaker unit is a loudspeaker. Each horn has a radiating axis of sound transmission, in which direction the sound field is strongest, and the rest of the directions are weaker. The prior art sound post comprises a plurality of loudspeaker units. The speaker units are arranged along the axis of the sound post. The sound radiation axis is located on the same plane, the further away from this plane the smaller the sound field. Generally, the sound field attenuation amplitude is weak within 120 degrees of the horizontal range right in front of the sound column, and after the sound field attenuation amplitude exceeds 120 degrees, the sound field attenuation amplitude is more. It has therefore been a goal of the public to provide a fret with a good sound stage over a larger range.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a sound column makes the sound column have bigger sound field in the horizontal direction.

The above technical purpose of the present invention can be achieved by the following technical solutions:

a sound post comprises a plurality of speaker units, wherein each speaker unit is provided with a mounting surface; the sound post is provided with a reference surface, the mounting surface is provided with a first diagonal line and a second diagonal line, the first diagonal line reference surface is parallel, and the second diagonal line and the reference surface are intersected to form a mounting included angle.

Further, the installation included angle is 10-15 degrees.

Further, the plurality of speaker units are arranged in the direction of the axis of the sound column.

Further, the sound radiation axis of the single loudspeaker unit is one of four directions of left-lower, right-lower, left-upper and right-upper relative to the horizontal plane.

Preferably, the number of the sound radiation axes of the speaker units is equal to two conditions, namely, upward and downward directions or left and right directions, and at least one of the conditions is satisfied when the number of the speaker units is an even number. Preferably, the sound radiation axes of the speaker units are equal in number to the left and to the right.

Preferably, the number of the sound radiation axes of the speaker units is equal to two conditions, namely, upward and downward directions or equal to left and right directions, and when the number of the speaker units is an odd number, any one of the speaker units is removed, and the remaining speaker units satisfy at least one of the conditions.

Further adjacent speaker units have different sound radiation axis orientations.

Preferably, four loudspeaker units are provided, and the sound radiation axes of the loudspeaker units are respectively upward left, upward right, downward left and downward right from top to bottom or upward right, upward left, downward right and downward left from top to bottom relative to a horizontal plane.

Preferably, there are six speaker units, and the sound radiation axes of the speaker units are respectively oriented from top to bottom in the upper left, upper right, upper left, lower right, lower left, or from top to bottom in the upper right, upper left, upper right, lower left, lower right, and lower left directions.

The reference surface is positioned on the front surface of the sound column and used for determining the reference for mounting the loudspeaker units and enabling the loudspeaker units to project and arrange on the reference surface according to a certain rule, and the reference surface can be the front surface of the shell or a virtual surface meeting the above conditions.

The installation angle can enable the sound radiation axis of the loudspeaker unit to face different directions. The sound radiation axis of the speaker unit faces to any one of the left-down direction, the right-down direction, the left-up direction and the right-up direction relative to the sound column axis in the standing state according to the installation mode. Wherein, the upper left and the upper right can be summarized as the upper direction; the left lower part and the right lower part can be summarized as downward; the left lower and the left upper can be summarized to face left; the lower right and upper right can be summarized as towards the right.

By adopting the scheme, the sound in all directions can be more balanced by adjusting the direction of the sound radiation axis of each loudspeaker unit. Through the experiment contrast, under the unit same condition of raising one's voice, when installation angle was 10 ~ 15 degrees, this scheme had the sound field of bigger scope than prior art.

Drawings

FIG. 1 is a view of a construction of a fret;

FIG. 2 is a view of a configuration of an elongated column;

FIG. 3 is a schematic view of a test site location;

fig. 4 is a schematic view of a prior art speaker unit arrangement;

in the figure: 1. a reference plane; 2. a speaker unit; 21. a mounting surface; 22. a first diagonal line; 23. a second diagonal line; 24. an axis of sound radiation; 3. a sound cover; 4. a housing; 5. a plug; 6. lengthening the column; 7. and (4) inserting the jack.

Detailed Description

In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected" to another element, it can be directly or indirectly connected to the other element, and the "connection" does not limit the fixed connection or the movable connection, and the specific connection mode should be determined according to the specific technical problem to be solved.

It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in an orientation or positional relationship indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

A sound post comprising a plurality of speaker units (2), said speaker units (2) having a mounting surface (21); the sound post is provided with a reference surface (1), the mounting surface (21) is provided with a first diagonal line (22) and a second diagonal line (23), the first diagonal line (22) is parallel to the reference surface (1), and the second diagonal line (23) intersects with the reference surface (1) to form a mounting included angle.

Further, the installation included angle is 10-15 degrees.

Further, the speaker units (2) are arranged in the axial direction of the sound column.

The sound radiation axis (24) of the further single loudspeaker unit (2) is one of four orientations, namely, lower left, lower right, upper left and upper right, relative to the horizontal plane.

The loudspeaker further comprises an elongated column (6), one end of the elongated column (6) is provided with a jack (7), and the sound column shell (4) is provided with a plug (5).

The sound column plug (5) is inserted into the jack (7) of the lengthening column (6), so that the length of the sound column can be lengthened, and the use requirements under more scenes are met.

The other end of the further lengthened column (6) is provided with a plug (5).

A plurality of lengthening columns (6) can be superposed to lengthen the length of the sound column.

Further the loudspeaker comprises a sound cover (3), and the sound cover (3) is arranged on the shell (4) and has the effects of preventing dust and protecting the loudspeaker unit (2).

The reference surface (1) is positioned on the front surface of the sound column and used for determining the reference for mounting the loudspeaker units (2), and the loudspeaker units (2) are projected and arranged on the reference surface (1) according to a certain rule, wherein the reference surface (1) can be the front surface of the shell (4), for example, the front surface of the sound cover (3) is the reference surface (1) in the figure; the virtual surface may satisfy the above conditions.

The mounting angle can be such that the sound radiation axis (24) of the loudspeaker unit (2) is directed in different directions. The sound radiation axis (24) of the speaker unit (2) may be oriented in any one of four directions, i.e., left-down, right-down, left-up and right-up, with respect to the sound column axis in the standing state, depending on the installation mode. Wherein, the upper left and the upper right can be summarized as the upper direction; the left lower part and the right lower part can be summarized as downward; the left lower and the left upper can be summarized to face left; the lower right and upper right can be summarized as towards the right.

Example 1

The number of the loudspeaker units (2) is 4; the installation angle is 10 degrees; the sound radiation axis (24) of the loudspeaker unit (2) is respectively the upper left, the upper right, the lower left and the lower right from top to bottom relative to the horizontal plane.

Example 2

The number of the loudspeaker units (2) is 4; the installation angle is 14.5 degrees; the sound radiation axis (24) of the loudspeaker unit (2) is respectively upper right, upper left, lower right and lower left relative to the horizontal plane from top to bottom.

Example 3

The number of the loudspeaker units (2) is 5; the installation angle is 13.2 degrees; the sound radiation axis (24) of the loudspeaker unit (2) is respectively upper right, upper left, upper right, lower left and lower right from top to bottom relative to the horizontal plane.

Example 4

The number of the loudspeaker units (2) is 5; the installation angle is 15 degrees; the sound radiation axis (24) of the loudspeaker unit (2) is respectively upper right, upper left, upper right, lower left and lower right from top to bottom relative to the horizontal plane.

Example 5

The number of the loudspeaker units (2) is 6; the installation angle is 14 degrees; the sound radiation axis (24) of the loudspeaker unit (2) is respectively left upper, right upper, left upper, right lower, left lower and right lower from top to bottom relative to the horizontal plane.

Example 6

The number of the loudspeaker units (2) is 6; the installation angle is 14 degrees; the sound radiation axis (24) of the loudspeaker unit (2) is respectively right upper, left upper, right upper, left lower, right lower and left lower from top to bottom relative to the horizontal plane.

Comparative example 1

The number of the loudspeaker units (2) is 4, and sound radiation axes (24) of the loudspeaker units (2) are positioned on the same plane.

Comparative example 2

The number of the loudspeaker units (2) is 5, and sound radiation axes (24) of the loudspeaker units (2) are positioned on the same plane.

Comparative example 3

The number of the loudspeaker units (2) is 6, and sound radiation axes (24) of the loudspeaker units (2) are positioned on the same plane.

And (3) testing conditions are as follows:

1. the comparative example and the example employ the same model of speaker unit (2).

2. The output power of each speaker unit (2) is the same in the comparative example and the example.

3. As shown in fig. 3, 5 test points with the same height are selected within a semicircular arc range of the front surface which is ten meters away from the axis of the sound column. The figure is a schematic top view of the test state.

4. The same sound source, the same test environment, the same test time and the test response point decibel.

And (3) testing results:

as can be seen from the above comparative example, the present technical solution can obtain a larger sound field than the prior art solution in the case of the same number of speaker units.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.

Claims

1. A fret is characterized by comprising a plurality of loudspeaker units (2), wherein the loudspeaker units (2) are provided with mounting surfaces (21); the sound post is provided with a reference surface (1), the mounting surface (21) is provided with a first diagonal line (22) and a second diagonal line (23), the first diagonal line (22) is parallel to the reference surface (1), and the second diagonal line (23) intersects with the reference surface (1) to form a mounting included angle.

2. A fret according to claim 1, wherein: the installation included angle is 10 ~ 15 degrees.

3. A fret according to claim 1, wherein: the plurality of speaker units (2) are arranged in the axial direction of the sound column.

4. A fret according to claim 3, wherein: the sound radiation axis (24) of the single loudspeaker unit (2) is one of four orientations of left lower, right lower, left upper and right upper relative to the horizontal plane.

5. A fret as claimed in claim 4, wherein: the sound radiation axes (24) of the loudspeaker units (2) are equal in number towards the upper side and the lower side or towards the left side and the right side.

6. A fret as claimed in claim 5, wherein: the sound radiation axes (24) of the speaker units (2) are equal in number toward the left and toward the right.

7. A fret as claimed in claim 4, wherein: when the number of the speaker units (2) is odd, one of the speaker units (2) is removed, and the number of the remaining speaker units (2) facing upwards is equal to that facing downwards or equal to that facing to the left and the right.

8. A fret as claimed in claim 4, wherein: adjacent loudspeaker units (2) have sound radiation axes (24) of different orientations.

9. A fret according to claim 8, wherein: the loudspeaker unit comprises four loudspeaker units (2), and sound radiation axes (24) of the loudspeaker units (2) are respectively upward left, upward right, downward left and downward right from top to bottom or upward right, upward left, downward right and downward left from top to bottom relative to a horizontal plane.

10. A fret according to claim 8, wherein: the loudspeaker unit comprises six loudspeaker units (2), and sound radiation axes (24) of the loudspeaker units (2) are respectively left upper, right upper, left upper, right lower, left lower and right lower from top to bottom or are respectively right upper, left upper, right upper, left lower, right lower and left lower from top to bottom relative to a horizontal plane.