Strong sound dispersing device combined with sixteen sound unit arrays

Abstract

The application relates to a strong sound dispersing device combined with sixteen sound units, which comprises a resonance shell, a sound emitting hole is arranged in the middle of the front end surface of the resonance shell, a combination plate is arranged in the resonance shell and parallel to the front end surface, a plurality of buzzer sound emitting groups are arranged in the combination plate in an array mode, the plurality of buzzer sound emitting groups are connected with an alternating current power source in parallel in sequence, and a relay for controlling the on-off of the branch is arranged on the branch of each buzzer sound emitting group. Eight buzzer sound emitting groups are formed by sixteen sound units, the eight buzzer sound emitting groups are connected with the alternating current power source in parallel in sequence, and the relay for controlling the on-off of the branch is arranged on the branch of each buzzer sound emitting group, so that the processor can open a corresponding number of relays according to the distance between the target object and the resonance shell, and the output power can be adjusted according to the distance between the target object.

Description

Technical Field

[0001] This invention relates to the field of dispersal equipment technology, and more particularly to a powerful sound dispersal device composed of an array of sixteen sound-emitting units. Background Technology

[0002] The working principle of a sound wave directional deterrence device is as follows: When making a call or issuing a warning, a voice is broadcast through a microphone. When used to disperse crowds or birds with sound waves, an external MP3 player loaded with the deterrence signal is used. The audio signal from the microphone or MP3 player is modulated into a square wave signal by a DSP signal processor. This square wave signal is then efficiently amplified by a Class D power amplifier. An impedance matching circuit, in conjunction with a transducer array, emits a high-power attack sound wave. Due to the transducer array, many sound lobes are eliminated. Within a certain angular range, the sound pressure level is greater than 100 dB, while outside this range, the sound pressure level is less than 100 dB, thus achieving directional propagation of the sound wave.

[0003] Unlike traditional sound wave propagation methods, directional acoustic repellency technology enables the directional transmission of high-energy sound waves, allowing for the dispersal of targets at greater distances. Furthermore, the directional transmission of sound waves reduces noise pollution in the environment. In civilian applications, this technology can be used for bird control in airports and farmland, thus solving the global problem of the lack of effective bird control methods.

[0004] In existing technologies, loudspeakers are mostly used to scare away birds in airports and farmlands. However, since a single loudspeaker unit can hardly reach the sound pressure level of an attack, its propagation distance is very limited, meaning that the effect of dispersing birds is not ideal. By applying multiple buzzer technology, high-power sound waves with longer propagation distance and better directionality can be achieved. However, the existing combination of multiple buzzer arrays still has shortcomings. For birds at short distances, the strong sound dispersal by multiple buzzer arrays still requires a lot of output power, resulting in a lot of energy waste and noise pollution. Summary of the Invention

[0005] The purpose of this invention is to address the aforementioned problems by providing a powerful sound dispersion device consisting of an array of sixteen sound-emitting units, the number of which can be adjusted according to the distance to the target object. The specific technical solution is as follows:

[0006] A powerful sound-dispersing device consisting of an array of sixteen sound-emitting units includes a resonating shell. A sound-emitting hole is located in the center of the front face of the resonating shell. A combination plate is arranged parallel to the front face inside the resonating shell. Several buzzer-emitting groups are arranged in an array on the combination plate. Each buzzer-emitting group is connected in parallel with an AC power supply. A relay for controlling the on / off state of each branch of the buzzer-emitting group is installed. The left and right ends of the resonating shell are connected to a Y-shaped bracket via bearings. A vertical angle adjustment component for driving the resonating shell to rotate vertically is located at one end of the upper part of the Y-shaped bracket. An image acquisition component is located at the other end of the upper part of the Y-shaped bracket. The lower end of the Y-shaped bracket is connected to a base via a horizontal angle adjustment component.

[0007] Furthermore, the resonant shell is in the shape of a hollow cylinder.

[0008] Furthermore, there are eight buzzer sound generating groups, each of which includes two piezoelectric buzzer sound generating bodies. The two piezoelectric buzzer sound generating bodies are arranged symmetrically in the mounting holes of the combination plate, and the axial direction of the mounting holes is perpendicular to the front end face of the resonating shell.

[0009] Furthermore, the piezoelectric buzzer includes a buzzer tube, which is coaxially arranged with the mounting hole. A sound-emitting hole is provided at one end of the buzzer tube near the front end face of the resonating housing, and a piezoelectric buzzer element is provided at the other end of the buzzer tube. A resonating cavity is formed inside the buzzer tube.

[0010] Furthermore, the piezoelectric buzzer element includes a piezoelectric ceramic stack and a diaphragm. The piezoelectric ceramic stack is located on the side of the diaphragm away from the resonant cavity. The piezoelectric ceramic stack sequentially includes a first double-sided copper electrode lead, a first piezoelectric ceramic sheet, an intermediate copper electrode lead, a second piezoelectric ceramic sheet, and a second double-sided copper electrode lead.

[0011] Furthermore, a processor is provided on the side of the assembly plate away from the sound-emitting hole for individually controlling the operation of several relays.

[0012] Furthermore, the up-down angle adjustment assembly includes a first servo motor, the output shaft of the first servo motor is coaxially arranged with the bearing, and the inner ring of the bearing is coaxially arranged with a rotating shaft. One end of the rotating shaft is connected to the side of the resonant housing, and the other end of the rotating shaft is connected to the output shaft of the first servo motor.

[0013] Furthermore, the horizontal angle adjustment component includes a second servo motor located inside the base. The output shaft of the second servo motor is vertically oriented and passes through the upper end face of the base to connect with the lower end of the Y-shaped bracket.

[0014] Furthermore, a conical sound-concentrating tube is provided between the side of the combined plate near the front side of the resonating shell and the sound-emitting hole, and the small-diameter opening end of the conical sound-concentrating tube is coaxially connected to the sound-emitting hole.

[0015] Furthermore, the image acquisition component includes a camera, which is a panoramic camera.

[0016] Furthermore, the rear side of the resonant housing is provided with multiple fan-shaped heat dissipation plates.

[0017] Furthermore, there are eight relays, namely relay one, relay two, relay three, relay four, relay five, relay six, relay seven, and relay eight, and the eight relays are respectively connected to the branches of the eight groups of buzzer sound groups.

[0018] Furthermore, the dispersal method based on a high-intensity sound dispersal device composed of an array of sixteen sound-emitting units includes the following specific steps:

[0019] S1, a 360-degree panoramic camera, performs real-time image acquisition and sends the image data to the processor;

[0020] S2, the processor uses the set image processing module and pixel-level geographic coordinate assignment module to locate the coordinates of the target object in the image;

[0021] S3, the processor controls the up and down angle adjustment components and the horizontal angle adjustment components to adjust the resonant shell so that the sound hole is facing the target object;

[0022] S4 is divided into eight distance intervals based on the distance between the target object and the resonant housing. The eight distance intervals, from near to far, correspond to the number of relays activated by the processor.

[0023] Compared with the prior art, the present invention has the following beneficial effects:

[0024] (1) The strong sound dispersing device of the present invention, which combines sixteen sound-emitting units into an array, forms eight buzzer sound groups by assembling the sixteen sound-emitting units. The eight buzzer sound groups are connected in parallel with an AC power supply in sequence. Each buzzer sound group is provided with a relay for controlling the on / off of the branch. Thus, the processor can activate the corresponding number of relays according to the distance of the target object from the resonant housing, thereby adjusting the output power according to the distance of the target object.

[0025] (2) The strong sound dispersing device of the present invention, which combines sixteen sound-emitting unit arrays, achieves the directional transmission of high-energy sound waves by using sound wave directional dispersing technology, thereby dispersing targets at a greater distance. At the same time, due to the directional transmission of sound waves, the noise pollution to the environment is reduced. Sound wave directional dispersing technology can be used to drive away birds in airports and farmland, thereby solving the problem that there are currently no effective means of bird dispersal. Attached Figure Description

[0026] Figure 1 This is a front view schematic diagram of the present invention.

[0027] Figure 2 This is a schematic diagram of the resonant housing structure of the present invention.

[0028] Figure 3 This is a schematic diagram of the distribution of the buzzer sound generation group structure of the present invention.

[0029] Figure 4 This is the present invention. Figure 2 A magnified view of part A.

[0030] Figure 5 This is a schematic diagram of the piezoelectric buzzer sound generator structure of the present invention.

[0031] Figure 6 This is a schematic diagram of the piezoelectric ceramic laminate structure of the present invention.

[0032] Figure 7 This is a rear view schematic diagram of the present invention.

[0033] Figure 8 This is a schematic diagram of the heat dissipation components of the present invention.

[0034] Figure 9 This is the present invention. Figure 8 Schematic diagram of cross-section at BB.

[0035] Figure 10 This is a schematic diagram of the piston cylinder structure of the present invention.

[0036] Figure 11 This is a schematic diagram of the fixed tube structure of the present invention. Detailed Implementation

[0037] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0038] Example 1

[0039] like Figure 1-6 As shown, a powerful sound dispersing device consisting of an array of sixteen sound-emitting units includes a resonant housing 1. A sound-emitting hole 2 is located in the center of the front face of the resonant housing 1. A combination plate 3 is arranged parallel to the front face inside the resonant housing 1. Several buzzer-emitting groups 5 are arranged in an array on the combination plate 3. Each buzzer-emitting group 5 is connected in parallel with an AC power supply. A relay for controlling the on / off state of each branch of the buzzer-emitting group 5 is installed on its branch. The left and right ends of the resonant housing 1 are connected to a Y-shaped bracket 7 via bearings. A vertical angle adjustment component 8 for driving the resonant housing 1 to rotate vertically is located at one end of the upper part of the Y-shaped bracket. An image acquisition component is located at the other end of the upper part of the Y-shaped bracket. The lower end of the Y-shaped bracket is connected to a base 10 via a horizontal angle adjustment component 9. By assembling sixteen sound-generating units into eight buzzer sound groups, and connecting the eight buzzer sound groups in parallel with an AC power supply, and installing relays on the branch circuits of each buzzer sound group to control the on / off state of the branch circuits, the processor can activate the corresponding number of relays according to the distance of the target object from the resonating housing, thereby adjusting the output power according to the distance of the target object.

[0040] The resonant housing 1 is a hollow cylindrical shape.

[0041] The buzzer sound generation group 5 is provided in eight parts, and each buzzer sound generation group 5 includes two piezoelectric buzzer sound generators. The two piezoelectric buzzer sound generators are arranged symmetrically in the mounting holes 4 of the combination plate 3. The axis of the mounting holes 4 is perpendicular to the front end face of the resonating shell 1.

[0042] The piezoelectric buzzer includes a buzzer tube 51, which is coaxially arranged with the mounting hole 4. A sound-emitting hole 53 is provided at one end of the buzzer tube 51 near the front end face of the resonating housing 1, and a piezoelectric buzzer element 52 is provided at the other end of the buzzer tube 51. A resonating cavity 54 is formed inside the buzzer tube 51.

[0043] The piezoelectric buzzer element 52 includes a piezoelectric ceramic stack 521 and a diaphragm 522. The piezoelectric ceramic stack 521 is located on the side of the diaphragm 522 away from the resonant cavity 54. The piezoelectric ceramic stack 521 sequentially includes a first double-sided copper electrode lead, a first piezoelectric ceramic sheet 5211, an intermediate copper electrode lead, a second piezoelectric ceramic sheet 5212, and a second double-sided copper electrode lead. Two piezoelectric ceramic sheets of the same polarity are glued together and connected in parallel. Under the action of an alternating electric field V, when one sheet elongates, the other shortens, thereby causing the ceramic sheets to bend and vibrate.

[0044] On the side of the assembly plate 3 away from the sound-emitting hole 2, a processor is also provided for individually controlling the operation of several relays. The processor simultaneously controls the rotation angle of the first servo motor and the second servo motor.

[0045] The up-down angle adjustment assembly 8 includes a first servo motor. The output shaft of the first servo motor is coaxially arranged with the bearing, and the inner ring of the bearing is coaxially arranged with a rotating shaft. One end of the rotating shaft is connected to the side of the resonant housing 1, and the other end of the rotating shaft is connected to the output shaft of the first servo motor.

[0046] The horizontal angle adjustment assembly includes a second servo motor located inside the base 10. The output shaft of the second servo motor is vertically oriented and passes through the upper end face of the base 10 to connect with the lower end of the Y-shaped bracket.

[0047] A conical sound-concentrating tube 6 is provided between the side of the combined plate 3 near the front side of the resonating shell 1 and the sound-emitting hole 2, and the small-diameter opening end of the conical sound-concentrating tube 6 is coaxially connected to the sound-emitting hole 2.

[0048] The image acquisition component includes a camera 11, which is a 360-degree panoramic camera.

[0049] The rear side of the resonant housing 1 is provided with multiple fan-shaped heat dissipation plates 12.

[0050] The relays are arranged in eight parts, namely relay one, relay two, relay three, relay four, relay five, relay six, relay seven, and relay eight. Each of the eight relays is connected to a branch circuit of the eight groups of buzzer sound groups 5.

[0051] Example 2

[0052] Based on Example 1, the dispersal method of a high-intensity sound dispersal device based on a combination of sixteen sound-emitting unit arrays includes the following steps:

[0053] S1, a 360-degree panoramic camera, performs real-time image acquisition and sends the image data to the processor;

[0054] S2, the processor uses the set image processing module and pixel-level geographic coordinate assignment module to locate the coordinates of the target object in the image;

[0055] S3, the processor controls the up and down angle adjustment components and the horizontal angle adjustment components to adjust the resonant shell so that the sound hole is facing the target object;

[0056] S4 is divided into eight distance intervals based on the distance between the target object and the resonant housing. The eight distance intervals, from near to far, correspond to the number of relays activated by the processor.

[0057] The eight distance intervals, from closest to furthest, are: Interval 1, Interval 2, Interval 3, Interval 4, Interval 5, Interval 6, Interval 7, and Interval 8. The eight buzzer sound groups 5, from left to right and from top to bottom, correspond to Relay 1, Relay 2, Relay 3, Relay 4, Relay 5, Relay 6, Relay 7, and Relay 8. Interval 1 corresponds to the activation of Relay 1, Interval 2 corresponds to the activation of Relay 1 and Relay 2, Interval 3 corresponds to the activation of Relay 1, Interval 2 and Relay 3, and so on. Interval 8 corresponds to the activation of Relay 1, Relay 2, Relay 3, Relay 4, Relay 5, Relay 6, Relay 7, and Relay 8.

[0058] Example 3

[0059] like Figure 7-11 As shown, based on Embodiment 1, the fan-shaped heat sink 12 is provided with a heat dissipation groove 13, and a heat dissipation fan blade 14 for driving the airflow around the fan-shaped heat sink 12 is provided in the heat dissipation groove. The heat dissipation fan blade is driven by a heat dissipation assembly 15, which is located between the two buzzer tubes 51 of each buzzer sound-emitting group 5. The outer side of each buzzer tube 5 is connected to the mounting hole of the combination plate through an elastic reset pad 55.

[0060] The heat dissipation assembly 15 includes a piston cylinder 16, the axis of which is perpendicular to the axis of the buzzer tube, and the axis of the piston cylinder and the axis of the buzzer tube are on the same horizontal plane. A piston 17 is fitted inside the piston cylinder. The left and right ends of the piston are connected to the middle of the outer side of the buzzer tube 51 via piston rods 18. A first cavity 28 is formed between the left side of the piston and the piston cylinder, and a second cavity 29 is formed between the right side of the piston and the piston cylinder. Air outlets 19 are symmetrically arranged on the rear side of the piston cylinder at the first cavity 28 and the second cavity 29, respectively. Each air outlet is equipped with a one-way air outlet valve 27 and a conical booster pipe 20. The large-diameter end of the conical booster pipe 20 is connected to the air outlet, and the small-diameter end of the conical booster pipe 20 is connected to a fixing pipe 21. A second rotating shaft is coaxially arranged inside. The end of the fixed tube 21 away from the conical booster tube 20 is connected to the second rotating shaft through a sealed bearing 23. A second fan blade 24 is arranged at the end of the second rotating shaft near the conical booster tube 20. The end of the second rotating shaft away from the conical booster tube 20 passes through the heat dissipation groove 13 and is connected to the heat dissipation fan blade 14. The upper side of the piston cylinder is symmetrically provided with air inlets at the first cavity 28 and the second cavity 29, respectively. Each air inlet is provided with a one-way air inlet valve. A return port 25 is also provided on the fixed tube 21 between the second fan blade 24 and the sealed bearing 23. The return port 25 communicating with the first cavity 28 is connected to the air inlet located at the second cavity 29 through a return pipe 26. The return port 25 communicating with the second cavity 29 is connected to the air inlet located at the first cavity 29 through a return pipe 26.

[0061] Furthermore, to further ensure the rotation of the cooling fan blades, i.e., to further enhance the gas flow rate through the setting of the conical booster tube, the following relationship should be satisfied between the inner radius of the piston cylinder (R1), the distance each piston rod moves (L1), the large inner diameter (R2), the small inner diameter (r2), and the length (L2) of the conical booster tube, and the inner radius (R3) and length (L3) of the fixed tube:

[0062]

[0063] In the formula, R1, R2, r2, R3, L1, L2, and L3 are in cm; α is the relationship coefficient, with a value range of 3.11-5.22.

[0064] The two buzzer tubes 51 of the same buzzer sound group 5 are synchronously controlled, that is, they work at the same frequency, and the vibration frequencies they produce are also similar. Through the synchronous movement of the two buzzer tubes 51, the piston can be driven to move left and right inside the piston cylinder. When the piston moves to the left, the gas inside the first cavity enters the conical pressure tube through the air outlet to increase the gas flow rate. The gas with increased flow rate drives the second fan blade through the fixed tube. The rotation of the second fan blade drives the rotation of the second rotating shaft and the heat dissipation fan blade 14. The rotation of the heat dissipation fan blade 14 realizes the air flow around the heat dissipation slot, thereby realizing the heat dissipation of the fan-shaped heat dissipation plate and the heat dissipation of the resonating shell. Only when the corresponding buzzer sound group 5 is working, its heat dissipation component will work accordingly, thereby realizing the adjustment of the heat dissipation according to the output power.

[0065] The technical features of the above embodiments can be combined in any way. For the sake of brevity, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0066] The embodiments described above are merely illustrative of implementation methods of the present invention, and while the descriptions are specific and detailed, they should not be construed as limiting the scope of the present invention. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of the present invention, and these modifications and improvements all fall within the scope of protection of the present invention. Therefore, the scope of protection of this patent should be determined by the appended claims.

Claims

1. A powerful sound dispersing device consisting of an array of sixteen sound-emitting units, comprising a resonating shell (1), wherein a sound-emitting hole (2) is provided in the middle of the front end face of the resonating shell (1), characterized in that, The resonant housing (1) has a combination plate (3) arranged inside parallel to its front end face. Eight buzzer sound groups (5) are arranged in an array on the combination plate (3). Each buzzer sound group (5) includes two piezoelectric buzzer sound generators. The two piezoelectric buzzer sound generators are arranged symmetrically in the mounting holes (4) of the combination plate (3). The axis of the mounting holes (4) is perpendicular to the front end face of the resonant housing (1). The piezoelectric buzzer includes a buzzer tube (51), which is coaxially arranged with the mounting hole (4). A sound-emitting hole (53) is provided at one end of the buzzer tube (51) near the front end face of the resonating housing (1), and a piezoelectric buzzer element (52) is provided at the other end of the buzzer tube (51). A resonating cavity (54) is formed inside the buzzer tube (51). The eight buzzer groups (5) are connected in parallel with the AC power supply in sequence, and each of the buzzer groups (5) is provided with a relay for controlling the on and off of the branch. There are eight relays, namely relay one, relay two, relay three, relay four, relay five, relay six, relay seven, and relay eight in sequence. The left and right ends of the resonant housing (1) are respectively connected to the Y-shaped bracket (7) through bearings. One end of the upper part of the Y-shaped bracket is provided with a vertical angle adjustment component (8) for driving the resonant housing (1) to rotate up and down. The other end of the upper part of the Y-shaped bracket is provided with an image acquisition component, which includes a 360-degree panoramic camera (11). The lower end of the Y-shaped bracket is connected to the base (10) through a horizontal angle adjustment component (9). The combination plate (3) is provided with a processor on the side away from the sound hole (2) for individually controlling the operation of several relays. The processor is provided with an image processing module and a pixel-level geographic coordinate assignment module for locating the target object in the image and dividing it into eight distance intervals according to the distance of the target object from the resonant shell (1). The eight distance intervals correspond to the number of relays activated by the processor from near to far. The first interval corresponds to the activation of relay one, the second interval corresponds to the activation of relay one and relay two, the third interval corresponds to the activation of relay one, relay two and relay three, and so on. The eighth interval corresponds to the activation of relay one, relay two, relay three, relay four, relay five, relay six, relay seven and relay eight. The rear side of the resonating housing (1) is provided with multiple fan-shaped heat dissipation plates (12), and heat dissipation grooves (13) are provided on the fan-shaped heat dissipation plates (12). Heat dissipation fan blades (14) for driving the airflow around the fan-shaped heat dissipation plates (12) are provided in the heat dissipation grooves (13). The heat dissipation fan blades (14) are driven by a heat dissipation assembly (15), which is located between the two buzzer tubes (51) of each buzzer sound-generating group (5). The heat dissipation assembly (15) includes a piston cylinder (16). The piston cylinder (16) is arranged perpendicular to the axis of the buzzer tube (51), and the axis of the piston cylinder (16) and the axis of the buzzer tube (51) are located on the same horizontal plane. A piston (17) is adapted inside the piston cylinder (16). The piston (17) is connected to the middle of the outer side of the buzzer tube (51) through the piston rod (18). The vibration of the buzzer tube (51) drives the piston (17) to move back and forth in the piston cylinder (16), thereby driving the cooling fan blades (14) to rotate.

2. The high-intensity sound dispersion device composed of an array of sixteen sound-emitting units according to claim 1, characterized in that, The piezoelectric buzzer element (52) includes a piezoelectric ceramic stack (521) and a diaphragm (522). The piezoelectric ceramic stack (521) is located on the side of the diaphragm (522) away from the resonant cavity (54). The piezoelectric ceramic stack (521) includes, in sequence, a first double-sided copper electrode lead, a first piezoelectric ceramic sheet (5211), an intermediate copper electrode lead, a second piezoelectric ceramic sheet (5212), and a second double-sided copper electrode lead.

3. The high-intensity sound dispersion device composed of an array of sixteen sound-emitting units according to claim 1, characterized in that, A conical sound-concentrating tube (6) is provided between the side of the combined plate (3) near the front side of the resonating shell (1) and the sound-emitting hole (2), and the small-diameter opening end of the conical sound-concentrating tube (6) is coaxially connected to the sound-emitting hole (2).

4. The high-intensity sound dispersion device composed of an array of sixteen sound-emitting units according to claim 1, characterized in that, The up and down angle adjustment assembly (8) includes a first servo motor. The output shaft of the first servo motor is coaxially arranged with the bearing, and the inner ring of the bearing is coaxially arranged with a rotating shaft. One end of the rotating shaft is connected to the side of the resonant housing (1), and the other end of the rotating shaft is connected to the output shaft of the first servo motor.

5. The high-intensity sound dispersion device composed of an array of sixteen sound-emitting units according to claim 1, characterized in that, The horizontal angle adjustment component (9) includes a second servo motor located inside the base (10). The output shaft of the second servo motor is arranged in a vertical direction and passes through the upper end face of the base (10) and is connected to the lower end of the Y-shaped bracket.

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