CN214014502U

CN214014502U - Directional loudspeaker capable of adaptively adjusting volume

Info

Publication number: CN214014502U
Application number: CN202023097138.8U
Authority: CN
Inventors: 冼子恩; 赵学斌; 欧阳永钜
Original assignee: Xingyue Technology Shenzhen Co ltd
Current assignee: Xingyue Technology Shenzhen Co ltd
Priority date: 2020-12-21
Filing date: 2020-12-21
Publication date: 2021-08-20
Anticipated expiration: 2030-12-21

Abstract

The embodiment of the utility model provides a be applicable to speaker equipment technical field, provide a directional loudspeaker of self-adaptation regulation volume. This directional loudspeaker of self-adaptation regulation volume, including bottom plate, connecting plate and bracing piece, nine locating levers of group of horizontal direction equidistance fixedly connected with are followed at the bottom plate top, and every locating lever of group is provided with four altogether, all overlaps between four locating lever surfaces of every group and is equipped with the mounting panel, and the impartial distance of every mounting panel top center department has seted up first mounting hole, and every first mounting hole is inside all to be inlayed and is equipped with directional sounder body, and every mounting panel top is close to both sides edge and has all seted up a plurality of second mounting holes. This directional loudspeaker of self-adaptation regulation volume during the use, can realize according to site environment automatically regulated volume size for the propagation of sound is more accurate, avoids the too big interference that arouses ambient noise of sound, and avoids leading to the problem of broadcast sound undersize because the ambient sound is too big.

Description

Directional loudspeaker capable of adaptively adjusting volume

Technical Field

The utility model belongs to the technical field of speaker equipment, especially, relate to a directional loudspeaker of self-adaptation regulation volume.

Background

The sound emitted by a common loudspeaker is transmitted in all directions, the diameter of the loudspeaker must be very large to realize the orientation, different from the principle of the traditional loudspeaker, the directional loudspeaker firstly loads a low-frequency sound signal on a high-frequency signal with strong directivity, then the low-frequency sound signal is amplified and emitted into the air, then the air can quickly filter the high-frequency signal, and an audible sound signal on the high-frequency signal can be naturally filtered out to realize the directional transmission like laser, however, the directional loudspeaker in the prior art can cause the sound to diffuse around along with the reflection due to the principle of ultrasonic wave orientation, because the volume of the directional loudspeaker is generally adjusted to a smaller range in order to realize better sound orientation effect and reduce the influence of environmental noise, a problem is generated due to the fact that the bottom noise of the environment is continuously changed, and the number of people is not as large as that of people is less than that of people, the size of the environmental noise can be different, the situation that people can hear clearly when the number of people is small can easily occur, people can not hear clearly when the number of people is large, and the requirement of sound broadcasting can not be well met.

SUMMERY OF THE UTILITY MODEL

The embodiment of the utility model provides a technical problem that will solve provides a directional loudspeaker of self-adaptation regulation volume, through ultrasonic measuring instrument body and decibel meter body, can realize according to site environment self-adaptation regulation volume size for the propagation of sound is more accurate, avoids the too big interference that arouses ambient noise of sound, and avoids leading to playing the problem of sound undersize because the ambient sound is too big.

The embodiment of the utility model is realized in such a way, a directional loudspeaker capable of self-adaptively adjusting volume comprises a bottom plate, a connecting plate and supporting rods, wherein nine groups of positioning rods are fixedly connected to the top of the bottom plate along the horizontal direction at equal intervals, four positioning rods are arranged in each group, a mounting plate is sleeved between the outer surfaces of the four positioning rods in each group, first mounting holes are arranged at equal intervals at the top center of each mounting plate, a directional sounder body is embedded in each first mounting hole, a plurality of second mounting holes are arranged at the top of each mounting plate near the edges of two sides, an ultrasonic measuring instrument body is embedded in each second mounting hole, a limiting frame is sleeved between the outer surfaces of nine mounting plates, two connecting plates are arranged, and connecting threaded holes are arranged at the front surface of each connecting plate near the edges of two sides, eight connecting thread hole divide into four groups altogether, and every group is two equal threaded connection has connecting threaded rod, four between the connecting thread hole is inside connecting threaded rod divide into two sets ofly, every two of group equal sliding sleeve before the connecting threaded rod is equipped with decibel appearance body.

Further, the bottoms of the two connecting plates are fixedly connected with the top of the bottom plate.

Furthermore, a group of first positioning threaded holes are formed in the two sides of the front surface of each connecting plate, which are close to the center of the top, and two first positioning threaded holes are formed in each group.

Furthermore, the bracing piece is provided with two altogether, every bracing piece both sides surface center department both sides all seted up second location screw hole.

Furthermore, a positioning bolt is in threaded connection between the inside of each second positioning hole and the inside of the corresponding first positioning hole.

Furthermore, the outer surfaces of two sides of each supporting rod are respectively attached to the outer surfaces of one side of the two connecting plates.

Compared with the prior art, the embodiment of the utility model, beneficial effect lies in:

this directional loudspeaker of self-adaptation regulation volume during the use, can realize according to site environment automatically regulated volume size for the propagation of sound is more accurate, avoids the too big interference that arouses ambient noise of sound, and avoids leading to the problem of broadcast sound undersize because the ambient sound is too big.

Drawings

Fig. 1 is a front perspective view provided by an embodiment of the present invention;

fig. 2 is a front cross-sectional perspective view provided by the embodiment of the present invention;

fig. 3 is a front expanded perspective view provided by an embodiment of the present invention;

fig. 4 is an enlarged view of a portion a in fig. 3 according to an embodiment of the present invention;

fig. 5 is an enlarged view of a portion B in fig. 3 according to an embodiment of the present invention;

fig. 6 is an enlarged view of a portion C in fig. 3 according to an embodiment of the present invention.

The figures are numbered:

1. a base plate; 2. positioning a rod; 3. a limiting frame; 4. mounting a plate; 5. an ultrasonic measuring instrument body; 6. a directional sounder body; 7. a decibel meter body; 8. connecting a threaded rod; 9. a connecting plate; 10. positioning bolts; 11. a support rod.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Referring to fig. 1-6, the present invention provides a technical solution: a directional loudspeaker capable of self-adaptively adjusting volume comprises a bottom plate 1, connecting plates 9 and supporting rods 11, wherein nine groups of positioning rods 2 are fixedly connected to the top of the bottom plate 1 at equal intervals along the horizontal direction, four positioning rods 2 are arranged in each group, a mounting plate 4 is sleeved between the outer surfaces of the four positioning rods 2 in each group, first mounting holes are arranged at the center of the top of each mounting plate 4 at equal intervals, a directional sounder body 6 is embedded in each first mounting hole, a plurality of second mounting holes are arranged at the top of each mounting plate 4 close to the edges of two sides, an ultrasonic measuring instrument body 5 is embedded in each second mounting hole, a limiting frame 3 is sleeved between the outer surfaces of the nine mounting plates 4, two connecting plates 9 are arranged, connecting threaded holes are arranged at the front surface of each connecting plate 9 close to the edges of two sides, and the eight connecting threaded holes are divided into four groups, equal threaded connection has connecting threaded rod 8 between two connecting threaded hole insides of every group, and four connecting threaded rod 8 divide into two sets ofly altogether, and equal sliding sleeve before two connecting threaded rod 8 of every group is equipped with decibel appearance body 7.

In this embodiment: the installation foundation for setting other functional components is provided by the setting of the bottom plate 1, the functional components of the equipment can be stably installed and set by the setting of the connecting plate 9, the fixed support of the position of the connecting plate 9 can be effectively carried out by the setting of the supporting rod 11, the installation plate 4 is conveniently and stably connected with the bottom plate 1 by the setting of the positioning rod 2, the installation setting of the directional sounder body 6 and the ultrasonic measuring instrument body 5 is conveniently carried out by the setting of the installation plate 4, the fixed limit of the position of the installation plate 4 can be effectively carried out by the setting of the limiting frame 3, the realization of the due function of the equipment can be normally carried out by the matching of the ultrasonic measuring instrument body 5 and the decibel instrument body 7 by the setting of the directional sounder body 6, the structure and the principle of the directional sounder body 6 belong to the prior art, for omitting space, detailed description is not needed, and the model can be selected according to the actual use condition, the structure and the principle of the ultrasonic measuring instrument body 5 belong to the prior art, and are not described in detail for the sake of brevity, the model of the ultrasonic measuring instrument body 5 can be selected according to the actual use condition, the structure and the principle of the decibel instrument body 7 belong to the prior art, and are not described in detail for the sake of brevity, the model of the ultrasonic measuring instrument body can be selected according to the actual use condition, the installation and the setting of the connecting threaded rod 8 are conveniently carried out through the establishment of the connecting threaded hole, and the installation and the setting of the decibel instrument body 7 are conveniently carried out through the establishment of the connecting threaded rod 8.

Specifically, the bottoms of the two connecting plates 9 are fixedly connected with the top of the bottom plate 1.

In this embodiment: the device can be stably realized with functions by the arrangement of the structure.

Specifically, a set of first positioning threaded holes are formed in the front surface of each connecting plate 9 and close to the center of the top of each connecting plate, and two first positioning threaded holes are formed in each set of first positioning threaded holes.

In this embodiment: the installation setting of the positioning bolt 10 can be effectively carried out through the establishment of the first positioning threaded hole and the matching of the second positioning threaded hole.

Specifically, the two supporting rods 11 are arranged, and second positioning threaded holes are formed in the two sides of the center of the outer surfaces of the two sides of each supporting rod 11.

In this embodiment: the installation setting of the positioning bolt 10 can be effectively carried out through the establishment of the second positioning threaded hole and the matching of the first positioning threaded hole.

Specifically, a positioning bolt 10 is connected between the inside of each second positioning hole and the inside of the corresponding first positioning hole in a threaded manner.

In this embodiment: the installation and arrangement of the support rod 11 can be effectively carried out by the installation of the positioning bolt 10.

Specifically, the outer surfaces of the two sides of each support rod 11 are respectively attached to the outer surfaces of one sides of the two connecting plates 9.

In this embodiment: the effective fixing of the position of the connecting plate 9 can be effectively carried out by the establishment of the supporting rod 11.

During the use, directional sounder body 6 can send the ultrasonic wave, and self-solution educes out audible sound wave in the air, and this moment, ultrasonic wave measuring apparatu body 5 then collects the specific frequency the same with directional sounder body 6 to all directions, judge the power condition of on-the-spot ultrasonic wave, and calculate the reflection condition of directional speaker body and the actual volume size of directional sound, simultaneously decibel appearance body 7 will collect the environment end noise condition, through the contrast of the actual volume of directional sound and environment end noise size, the broadcast power that cooperates current CPU device effectively automatically regulated directional sounder body 6 simultaneously, and then reach best sound broadcast effect, can not influence the surrounding environment, and spectator in the guarantee range can clearly hear directional sound.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. A directional loudspeaker capable of adaptively adjusting volume comprises a bottom plate (1), a connecting plate (9) and supporting rods (11), and is characterized in that the top of the bottom plate (1) is fixedly connected with nine groups of positioning rods (2) along the horizontal direction at equal intervals, each group of positioning rods (2) is provided with four positioning rods, a mounting plate (4) is sleeved between the outer surfaces of the four positioning rods (2) in each group, the center of the top of each mounting plate (4) is provided with a first mounting hole at equal intervals, a directional sounder body (6) is embedded in each first mounting hole, a plurality of second mounting holes are formed in the top of each mounting plate (4) close to the edges of two sides, an ultrasonic measuring instrument body (5) is embedded in each second mounting hole, a limiting frame (3) is sleeved between the outer surfaces of the nine mounting plates (4), and two connecting plates (9) are arranged, every connecting plate (9) front surface is close to both sides edge and has all seted up connecting thread hole, eight connecting thread hole divide into four groups altogether, every two of group equal threaded connection has connecting threaded rod (8), four between the connecting thread hole is inside connecting threaded rod (8) divide into two sets ofly, two of every group equal sliding sleeve before connecting threaded rod (8) is equipped with decibel appearance body (7).

2. An adaptive volume control directional loudspeaker according to claim 1, characterized in that the two said connecting plates (9) are fixedly connected at their bottom to the top of the base plate (1).

3. The adaptive volume-adjusting directional loudspeaker according to claim 1, wherein a set of first positioning threaded holes is formed in both sides of the front surface of each connecting plate (9) near the center of the top, and two first positioning threaded holes are formed in each set.

4. The directional loudspeaker capable of adaptively adjusting the volume of sound according to claim 3, wherein there are two support rods (11), and two sides of the center of the outer surface of each support rod (11) are provided with second positioning threaded holes.

5. An adaptive volume control directional loudspeaker according to claim 4, characterized in that a positioning bolt (10) is screwed between each second positioning threaded hole and the corresponding first positioning threaded hole.

6. A directional loudspeaker for adaptively adjusting the volume of sound according to claim 1, wherein the outer surfaces of both sides of each of the support rods (11) and the outer surfaces of one side of the two connection plates (9) are respectively attached.