CN212367516U - Ultrasonic sound box - Google Patents

Abstract

The utility model discloses an ultrasonic sound box, including support and body, the support top is equipped with universal structure, and the support passes through universal structure and this body coupling, this internal ultrasonic sound production unit that is equipped with a plurality of array distributions, the utility model provides an ultrasonic sound box simple structure, conveniently carry out angle modulation, ultrasonic sound production unit can broadcast specific direction, do benefit to the purification to sound environment, and the support can effectively carry out the fixed stay to the body, ensures that the position of audio amplifier can not rock at will, sets up universal structure and body coupling on the support, is convenient for adjust the sound production direction of body, has promoted the convenience of audio amplifier angle modulation.

Description

Ultrasonic sound box

Technical Field

The utility model relates to an acoustics utensil technical field especially relates to an ultrasonic sound box.

Background

Ultrasonic waves with the wavelength of only a few millimeters can generate a narrow nearly straight sound beam, the ultrasonic directional horn can directionally propagate in the air like a flashlight beam and can control the sound waves in a specific area, the sound is very loud in the specific area, and the sound is very small or even no in the specific area; the sound that human ear can feel is the spherical wave of nondirectional, namely the sound can be heard around spreading in a spherical way around the sound source as the center. Because the ultrasonic frequency is very high, the directivity is relatively strong, and the directivity is instantaneous, so that only people in a specific area can hear the sound emitted by the sound; the ultrasonic sound box is a sound box manufactured by utilizing an ultrasonic principle, and has super-strong directivity, so that the ultrasonic sound box is applied to many occasions, for example, a space which can not disturb people and can dance squares can be created in a residential area by utilizing the ultrasonic sound box.

Ultrasonic sound box is the audio amplifier equipment that can carry out the sound production to specific direction, and thereby ultrasonic sound box among the prior art can only carry out the sound production to specific direction through adjusting its holistic locating position, and it is very inconvenient to operate, seriously influences user experience.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the technical problem that will solve is: the ultrasonic sound box is convenient to adjust the direction.

In order to solve the technical problem, the utility model discloses a technical scheme be: the utility model provides an ultrasonic sound box, includes support and body, the support top is equipped with universal structure, the support passes through universal structure with this body coupling, this internal ultrasonic sound production unit that is equipped with a plurality of array distributions.

Furthermore, the support comprises a support rod assembly and a fixed chassis which are connected, and the universal structure is arranged at the top end of the support rod assembly.

Furthermore, the stay bar component comprises a vertical bar connected with the fixed chassis and a telescopic bar connected with the vertical bar.

Further, the fixing base plate comprises a vacuum chuck or a magnet.

Furthermore, a plurality of sound transmission holes are formed in the side face, far away from the universal structure, of the body, and the sound transmission holes correspond to the ultrasonic sound generating units one to one.

Furthermore, the ultrasonic sound production units are distributed in a regular hexagonal array.

Furthermore, the universal structure comprises a mounting seat arranged at the top of the support, a rotatable ball rod is arranged in the mounting seat, and one end, far away from the mounting seat, of the ball rod is connected with the body.

Further, an ultrasonic receiver is arranged in the body.

Furthermore, a projection lamp is further arranged on the body.

The beneficial effects of the utility model reside in that: the utility model provides an ultrasonic sound box simple structure, conveniently carry out angle modulation, ultrasonic sound production unit can broadcast specific direction, does benefit to the purification to sound environment, and the support can effectively carry out the fixed stay to the body, ensures that the position of audio amplifier can not rock at will, sets up universal structure on the support and is connected with the body, is convenient for adjust the sound production direction of body, has promoted the convenience of audio amplifier angle modulation.

Drawings

Fig. 1 is an assembly view of an ultrasonic sound box according to a first embodiment of the present invention;

fig. 2 is a schematic structural view of a bracket according to a first embodiment of the present invention;

fig. 3 is a schematic structural diagram of a body according to a first embodiment of the present invention;

fig. 4 is an exploded view of the body according to the first embodiment of the present invention.

Description of reference numerals:

1. a body; 11. a bottom case; 12. a face mask; 13. a sound transmission hole; 14. mounting a plate; 15. an ultrasonic sound generating unit; 2. a support; 21. fixing the chassis; 22. erecting a rod; 23. a telescopic rod; 3. a mounting seat; 4. a shaft; 5. and a stop block.

Detailed Description

In order to explain the technical content, the objects and the effects of the present invention in detail, the following description is made with reference to the accompanying drawings in combination with the embodiments.

Referring to fig. 1 to 4, an ultrasonic sound box includes a support 2 and a body 1, a universal structure is disposed on a top end of the support 2, the support 2 is connected to the body 1 through the universal structure, and a plurality of ultrasonic sound generating units 15 are disposed in the body 1 and distributed in an array.

From the above description, the beneficial effects of the present invention are: ultrasonic sound production unit 15 can play specific direction, does benefit to the purification to sound environment, and support 2 can effectively carry out the fixed stay to body 1, ensures that the position of audio amplifier can not rock at will, sets up universal structure on support 2 and is connected with body 1, is convenient for adjust the sound production direction of body 1, has promoted the convenience of audio amplifier angle modulation.

Further, the support 2 comprises a support rod assembly and a fixed chassis 21 which are connected, and the universal structure is arranged at the top end of the support rod assembly.

As can be seen from the above description, the fixing chassis 21 facilitates fixing the whole ultrasonic sound box to an external member, and facilitates improving the stability of the installation position.

Further, the stay bar assembly comprises a vertical bar 22 connected with the fixed chassis 21 and a telescopic bar 23 connected with the vertical bar 22.

From the above description, the stay bar assembly can effectively support the body 1, and the position of the body 1 relative to the fixed chassis 21 can be changed by adjusting the telescopic rod, so that the flexibility of the angle adjustment of the ultrasonic sound box is enhanced.

Further, the fixing base 21 includes a vacuum chuck or a magnet.

According to the above description, the vacuum chuck or the magnet can be used for rapidly fixing the ultrasonic sound box on the external component, so that the installation convenience of the ultrasonic sound box is improved, and the ultrasonic sound box can be reasonably arranged according to actual application requirements.

Furthermore, a plurality of sound transmission holes 13 are formed in the side face, far away from the universal structure, of the body 1, and the sound transmission holes 13 correspond to the ultrasonic sound generating units 15 one by one.

As can be seen from the above description, the sound transmission hole 13 can avoid the sound wave emitted from the ultrasonic sound emitting unit 15, so that the sound wave can be effectively propagated in a specific direction.

Further, the ultrasonic sound generating units 15 are distributed in a regular hexagonal array.

As can be seen from the above description, the ultrasonic sound generating units are distributed in a regular hexagonal array, which is beneficial to better spread the sound waves to a specific direction.

Furthermore, the universal structure comprises a mounting seat 3 arranged at the top of the support 2, a rotatable ball rod 4 is arranged in the mounting seat 3, and one end, far away from the mounting seat 3, of the ball rod 4 is connected with the body 1.

As can be seen from the above description, the universal structure is convenient for operators to adjust the orientation of the body 1 better, and the improvement of the convenience in operation is facilitated.

Further, an ultrasonic receiver is also arranged in the body 1.

As is apparent from the above description, the ultrasonic receiver facilitates receiving reflected ultrasonic waves, thereby confirming whether or not the propagation area of the acoustic waves covers the listener.

Further, a projection lamp is further arranged on the body 1.

As can be seen from the above description, the projection lamp facilitates the audience to more intuitively recognize the coverage area of the sound wave.

Example one

Referring to fig. 1 to 4, a first embodiment of the present invention is: the utility model provides an ultrasonic sound box, includes support 2 and body 1, 2 tops of support are equipped with universal structure, support 2 passes through universal structure with body 1 connects, this internal ultrasonic sound production unit 15 that is equipped with a plurality of array distributions.

Specifically, the utility model provides an ultrasonic sound box's vocal principle is an audio directional propagation technique based on supersound, and this kind of method is to sound modulation to supersound conveying, utilizes the self-demodulation in the air to produce sound after touchhing the interface, and this kind of technique is simple reliable, and the effect is better, and the cost is lower relatively moreover. The basic principle is that audible sound signals are modulated onto ultrasonic carrier signals and are emitted into the air by an ultrasonic transducer, and in the process of transmitting ultrasonic waves with different frequencies in the air, due to the nonlinear acoustic effect of the air, the signals can be interacted and self-demodulated, so that new sound waves with the frequency being the sum of the original ultrasonic frequencies and the difference of the frequencies are generated. If the ultrasonic wave is properly selected, the difference frequency sound wave can fall in an audible sound area, and therefore the process of sound directional propagation is achieved by means of high directivity of the ultrasonic wave.

Preferably, support 2 includes brace rod assembly and fixed chassis 21 that link to each other, universal structure locates the brace rod assembly top, it is concrete, the brace rod assembly include with pole setting 22 that fixed chassis 21 is connected and with telescopic link 23 that pole setting 22 is connected, it is easy to understand, the brace rod assembly can effectively support body 1, and the accessible is adjusted simultaneously and is promoted the position that the pole changes body 1 for fixed chassis 21, has strengthened this ultrasonic sound box angle modulation's flexibility.

Optionally, be equipped with the connecting piece that is used for connecting the external component on the fixed chassis 21, the connecting piece can be the screw (like this embodiment), and is corresponding, be equipped with the screw on the fixed chassis 21, in addition, the connecting piece can also be vacuum chuck or magnet, and is easy to understand, vacuum chuck or magnet can be fixed in the ultrasonic sound box on the external component fast, have promoted the convenience of ultrasonic sound box installation, specifically can rationally set up according to the application demand of reality.

Preferably, referring to fig. 1 and 4, a plurality of sound transmission holes 13 are formed in a side surface of the body 1 away from the universal structure, the sound transmission holes 13 correspond to the ultrasonic sound generating units 15 one by one, specifically, the body 1 includes a bottom case 11 for mounting the ultrasonic sound generating units 15 and a mask 12 for covering the bottom case 11, the sound transmission holes 13 are formed in the mask 12, and a mounting plate 14 for mounting the ultrasonic sound generating units 15 is further disposed in the bottom case 11; as can be easily understood, the sound transmission hole 13 can avoid the sound wave emitted from the ultrasonic sound emitting unit 15, so that the sound wave can be effectively propagated in a specific direction.

Optionally, please refer to fig. 4, the distribution mode of the ultrasonic sound generating units 15 may be a regular polygon, and specifically may be set according to actual application requirements, in this embodiment, the ultrasonic sound generating units 15 are distributed in a regular hexagon array, so that the sound waves are favorably propagated in a specific direction.

Preferably, referring to fig. 1 and fig. 2, the universal structure includes an installation seat 3 disposed at the top of the bracket 2, a rotatable ball rod 4 is disposed in the installation seat 3, one end of the ball rod 4 away from the installation seat 3 is connected to the body 1, specifically, a ball head of the ball rod 4 is rotatably disposed in the installation seat 3, and one end of the ball rod 4 away from the ball head has a threaded section for connecting the bottom shell 11, which is easy to understand, and the universal structure facilitates an operator to adjust the orientation of the body 1 better, and facilitates the improvement of the convenience of operation; more specifically, in order to avoid the reduction of the reliability of the connection between the cue 4 and the bottom shell 11 caused by the excessive concentration of stress at the connection position, a stop 5 is arranged at a position of the thread section on the cue 4 close to the ball head.

Optionally, an ultrasonic receiver may be further disposed in the body 1, and the ultrasonic receiver is convenient for receiving reflected ultrasonic waves, so as to confirm whether the propagation area of the ultrasonic waves covers the listener.

Ultrasonic positioning is a prior art in the field, and a specific implementation method thereof is not described herein.

Optionally, the body 1 may further include a projection lamp, specifically, the projection lamp may be disposed on the surface of the face mask 12, and projects visible light along the propagation direction of the ultrasonic wave, which is easy to understand, the projection lamp facilitates the audience to more intuitively recognize the coverage area of the acoustic wave, especially, when the ultrasonic sound box is installed at a high place (for example, at a ceiling of a house), the audience can hear music when walking into the visible light area projected by the projection lamp, and optionally, the projection lamp may also be set to a colored lamp, so that a more intuitive and dynamic audiovisual effect can be brought to the audience, and the projection lamp is applicable to various occasions such as bars, discos, restaurants, and dances, and has strong applicability.

To sum up, the utility model provides an ultrasonic sound box simple structure, simple operation, simple to operate, sound indicative nature are strong, be applicable to multiple occasion.

The above mentioned is only the embodiment of the present invention, and not the limitation of the patent scope of the present invention, all the equivalent transformations made by the contents of the specification and the drawings, or the direct or indirect application in the related technical field, are included in the patent protection scope of the present invention.

Claims (9)

1. The utility model provides an ultrasonic sound box, its characterized in that includes support and body, the support top is equipped with universal structure, the support passes through universal structure with this body coupling, this internal ultrasonic sound production unit that is equipped with a plurality of array distributions.

2. The ultrasonic sound box according to claim 1, wherein the support comprises a brace rod assembly and a fixed chassis connected with each other, and the universal structure is disposed at a top end of the brace rod assembly.

3. The ultrasonic sound box according to claim 2, wherein the stay bar assembly comprises a vertical bar connected to the fixed chassis and a telescopic bar connected to the vertical bar.

4. The ultrasonic acoustic enclosure of claim 2, wherein the stationary base plate comprises a vacuum cup or a magnet.

5. The ultrasonic sound box according to claim 1, wherein a plurality of sound transmission holes are formed in a side surface of the body away from the universal structure, and the sound transmission holes are in one-to-one correspondence with the ultrasonic sound generating units.

6. The ultrasonic sound box according to claim 1, wherein the ultrasonic sound generating units are distributed in a regular hexagonal array.

7. The ultrasonic sound box according to claim 1, wherein the universal structure comprises a mounting seat disposed at the top of the support, a rotatable shaft is disposed in the mounting seat, and an end of the shaft away from the mounting seat is connected to the body.

8. The ultrasonic sound box according to claim 1, wherein an ultrasonic receiver is further disposed in the body.

9. The ultrasonic sound box according to claim 1, wherein the body is further provided with a projection lamp.

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