CN218830503U

CN218830503U - Suspended interference-preventing sound box for classroom

Info

Publication number: CN218830503U
Application number: CN202222630138.2U
Authority: CN
Inventors: 朱世平
Original assignee: Guangzhou Ruifeng Intelligent Technology Co ltd
Current assignee: Guangzhou Ruifeng Intelligent Technology Co ltd
Priority date: 2022-10-08
Filing date: 2022-10-08
Publication date: 2023-04-07
Anticipated expiration: 2032-10-08

Abstract

The utility model discloses an anti-interference sound box for classrooms, in particular to a suspension type anti-interference sound box for classrooms, which comprises a box body, wherein the box body is divided into an upper box body and a lower box body by a transverse clapboard, a woofer is arranged in the upper box body, and a tweeter is arranged in the lower box body; the front sides of the upper box body and the lower box body are respectively provided with a mesh enclosure, the front side of the upper box body is vertically arranged, and the front side of the lower box body is obliquely and downwards arranged. The utility model discloses a set up the box leading flank vertical, the slope of lower box leading flank is downward to the scope of adjustment stereo set broadcast sound vertical angle (directly communicate the scope of sound promptly at the central angle of vertical direction), and because the higher sound wave of frequency receives the interference more easily, consequently set up the baffle and separate high frequency loudspeaker and low frequency loudspeaker, make the sound wave of high frequency directly transmit for the student as far as possible, guarantee sound as far as possible not through the reflection directly transmit to the student ear in, reduce the interference.

Description

Suspended interference-preventing sound box for classroom

Technical Field

The utility model relates to a stereo set field especially relates to a classroom is with suspension type anti-interference stereo set.

Background

Nowadays, multimedia devices are used and increasingly popularized in classrooms, and audio devices are more common in classrooms and are mainly used for playing contents such as sound recordings, courseware, voice notifications and the like.

At present, the most applied sound equipment is mainly suspended, namely suspended at the upper part of the front of a classroom and plays sound to the whole classroom. At present on the market more common be approximate to cuboid or preceding narrow terrace with edge shape after wide in order to help the sound diffusion, but the public address vertical angle of this kind of stereo set is easily to sound guide to the ceiling, and the sound of ceiling reflection mixes with the sound that the stereo set was directly projected mutually easily, and the student sounds unclear, influences teaching efficiency.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model aims at providing a classroom is with suspension type anti-interference stereo set to solve among the prior art stereo set and use in the classroom to receive the influence of ceiling wall reflection sound easily and lead to the unclear problem of broadcast effect, concrete technical scheme as follows:

a suspended anti-interference sound box for classrooms comprises a box body, wherein the box body is divided into an upper box body and a lower box body by a transverse partition plate, a woofer is arranged in the upper box body, and a tweeter is arranged in the lower box body;

the front sides of the upper box body and the lower box body are respectively provided with a mesh enclosure, the front side of the upper box body is vertically arranged, and the front side of the lower box body is obliquely and downwards arranged.

Further, the method comprises the following steps: the included angle A between the front side surface of the upper box body and the front side surface of the lower box body is more than or equal to 30 degrees and less than 90 degrees.

Further: transition inclined planes are arranged between the left side face and the right side face of the box body and the rear side face of the box body.

Further: the included angle B between the transition inclined plane and the left side surface or the right side surface of the box body is between 9 degrees and B degrees and less than 45 degrees.

Further: and each transition inclined plane is provided with a hoisting hole, and the hoisting holes on the two transition inclined planes are symmetrically arranged.

Further, the method comprises the following steps: and a hanging piece connecting piece is fixedly arranged on the rear side surface of the box body.

Further: and the upper part of the rear side surface of the box body is provided with a wiring groove, and a wiring seat is arranged in the wiring groove.

Compared with the prior art, the beneficial effects of the utility model are that: through setting up the box leading flank vertical, the slope of lower box leading flank is downward to the scope of adjustment stereo set broadcast sound vertical angle (the scope that directly communicates sound promptly is at the central angle of vertical direction), and because the higher sound wave of frequency receives the interference more easily, consequently sets up the baffle and separates high frequency loudspeaker and low frequency loudspeaker, makes the sound wave of high frequency directly transmit the student as far as possible, guarantees that sound does not directly transmit the student's ear in through the reflection as far as possible, reduces and disturbs.

Drawings

FIG. 1 is a schematic view of the external structure of the present invention with a mesh enclosure;

FIG. 2 is a schematic view of the present invention without the external structure of the mesh enclosure;

fig. 3 is a front view of the present invention without the mesh enclosure;

fig. 4 is a left side view of the present invention;

fig. 5 is a plan view of the present invention.

In the figure, 1, a box body; 11. an upper box body; 12. a lower box body; 2. a transverse partition; 3. a woofer; 4. a tweeter; 5. a mesh enclosure; 6. a transition bevel; 61. hoisting holes; 7. a hanging part connecting piece; 8. a wiring slot; 9. a wire holder.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" 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 to which the reference is made 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. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

Referring to fig. 1-3, a suspension type anti-interference sound box for classrooms comprises a box body 1, wherein the box body 1 is divided into an upper box body 11 and a lower box body 12 by a transverse partition plate 2, a woofer 3 is installed in the upper box body 11, and a tweeter 4 is installed in the lower box body. Because woofer 3 frequency is lower, and tweeter 4 frequency is higher, the higher sound wave of frequency is interfered more easily, preferentially guarantees that tweeter's sound is directly received by the student, the reflection of ceiling, consequently goes up the vertical setting of the front side of box 11, and the front side slope of lower box 12 sets up downwards. The front sides of the upper box body 11 and the lower box body 12 are both provided with a mesh enclosure 5.

The rear side of the box body 1 is provided with a pendant connecting piece 7, and the pendant connecting piece can be fixed on the wall surface through nails, so that the box body is fixed. All be provided with transition inclined plane 6 between box 1 left and right sides face and the trailing flank, all be provided with hole for hoist 61 on the transition inclined plane 6 of both sides for hoist and mount audio amplifier makes it more firm. The upper portion of box 1 trailing flank is seted up wiring groove 8, sets up connection terminal 9 in the wiring groove 8 to play the effect of wiring.

As shown in fig. 4 and 5, transition slopes 6 are disposed between the left and right sides and the rear side of the cabinet 1, and the transition slopes 6 mainly serve to prevent sound boxes from beating oppositely, so that sound in the transition area is disordered and difficult to adjust. Therefore, the area of the back side surface of the sound box 1 is made small to reduce the situation that the wall surface is directly reflected back to the sound box 1, so the angle B between the transition inclined surface 6 and the left side surface and the right side surface of the sound box 1 is not too large, but if the angle B is too small, sound waves are easy to directly hit the side wall of a teacher to bounce and interfere with direct sound, so the size of the angle B is preferably 9-45 degrees, and the sound wave transmission effect is best.

Similarly, if the included angle A between the front side of the upper case 11 and the front side of the lower case 12 is too small, the sound waves hardly reach the position of the student, and therefore, it is preferable that the included angle A is 30 DEG to 90 deg.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a classroom is with suspension type anti-interference stereo set, includes box (1), characterized by: the box body (1) is divided into an upper box body (11) and a lower box body (12) by a transverse partition plate (2), a woofer (3) is installed in the upper box body (11), and a tweeter (4) is installed in the lower box body;

the front side surfaces of the upper box body (11) and the lower box body (12) are respectively provided with a mesh enclosure (5), wherein the front side surface of the upper box body (11) is vertically arranged, and the front side surface of the lower box body (12) is obliquely and downwards arranged.

2. The hanging type anti-interference sound box for classroom as claimed in claim 1, wherein: the included angle A between the front side surface of the upper box body (11) and the front side surface of the lower box body (12) is more than or equal to 30 degrees and less than 90 degrees.

3. The hanging type anti-interference sound box for classroom as claimed in claim 1, wherein: transition inclined planes (6) are arranged between the left side face and the right side face and the rear side face of the box body (1).

4. The hanging type anti-interference sound box for classroom as claimed in claim 3, wherein: the included angle B between the transition inclined plane (6) and the left side surface or the right side surface of the box body (1) is more than or equal to 9 degrees and less than 45 degrees.

5. The hanging type anti-interference sound box for classroom as claimed in claim 3, wherein: each transition inclined plane (6) is provided with a hoisting hole (61), and the hoisting holes (61) on the two transition inclined planes (6) are mutually symmetrically arranged.

6. The hanging type anti-interference sound box for classroom as claimed in claim 1, wherein: and a pendant connecting piece (7) is fixedly arranged on the rear side surface of the box body (1).

7. A suspended anti-interference sound for classroom use as claimed in any one of claims 1-6 wherein: the upper portion of the rear side face of the box body (1) is provided with a wiring groove (8), and a wiring seat (9) is arranged in the wiring groove (8).