Conducting device with good sound output directivity

Abstract

The utility model provides a conduction device with good sound output directivity, which comprises a first conductor, a sound wave output port is arranged on the first conductor, and a partition plate is arranged in the output direction of the sound wave output port; one or more transverse rib plates are arranged in the sound wave output port in the length direction of the partition plate, the side walls of the transverse rib plates obliquely extend downwards from the bottom ends of the transverse rib plates to the top ends of the transverse rib plates, and the top end of each transverse rib plate is obliquely arranged downwards, so that the output direction of the sound wave output channel has an inclination angle. According to the structure of the sound wave transmission device, mutual interference of sound waves in the sound wave transmission device can be reduced, meanwhile, sound transmission has a certain inclination angle through the sound wave output channel which is obliquely arranged, sound can be transmitted along a specified angle, and therefore the directivity and the sound effect of the sound are good.

Description

TECHNICAL FIELD

[0001] The utility model relates to sound wave conduction technical field, concretely relates to a conduction device that sound emission directivity is good. BACKGROUND

[0002] In the process that a single loudspeaker radiates to air through a single sound horn, the reflection and phase interference of sound waves in the horn will cause high frequency degradation and uneven frequency response. When multiple loudspeakers form a vertical array for conduction, the phase interference between them will cause frequency cancellation, affecting the desired frequency response superposition.

[0003] To solve this problem, the prior art usually provides a sound wave conduction device on the loudspeaker. For example, a patent document with the Chinese patent application number 202221065024.1 and the publication date of 2022.12.02 discloses a sound wave conduction device that can converge the sound waves of different audio frequencies generated by a multi-speaker horn through different propagation channels to the sound wave output port, reducing the mutual interference of sound waves in the sound wave conduction device, and improving the directivity and sound quality of sound. However, this sound wave conduction device cannot change the angle of sound wave conduction, and cannot direct sound to a low place if the horn needs to be placed at a high place.

[0004] Another example is a patent document with the Chinese patent application number 201921124459.7 and the publication date of 2020.06.30, which discloses an ultrashort horn for a sound column. The sound wave guide groove of the horn has an angle setting, but the inclination angle between each sound wave guide groove is different, which can cause mutual interference of sound conducted by each sound wave guide groove. SUMMARY

[0005] The utility model aims at providing a conduction device with good sound emission directivity. The structure of the utility model can reduce the mutual interference of sound waves in the sound wave conduction device, and through the inclined sound wave output channel, the sound conduction has a certain inclination angle, and the sound can propagate at a specified angle, so that the sound has good directivity and sound quality.

[0006] To achieve the above object, a sound output directivity good transmission device, comprising a first transmission body and a second transmission body, the second transmission body is located at the lower end of the first transmission body, a sound wave output port is arranged on the first transmission body, a partition plate is arranged in the output direction of the sound wave output port; one or more transverse rib plates are arranged in the length direction of the partition plate in the sound wave output port, the sound wave output channels are formed between adjacent transverse rib plates, between the lowermost transverse rib plate and the bottom surface of the sound wave output port, and between the uppermost transverse rib plate and the top surface of the sound wave output port, the sound wave output channels are divided into sound wave output small channels by the partition plate, a second sound wave transmission channel corresponding to the sound wave output port is arranged in the second transmission body, one end of the second sound wave transmission channel is connected with the sound emitting end of the loudspeaker, the other end of the second sound wave transmission channel is connected with the sound wave output channel, the top end of the transverse rib plate is located on the sound wave output port, the side wall of the transverse rib plate is inclined downward from the bottom end of the transverse rib plate to the top end of the transverse rib plate, the top end of each transverse rib plate is arranged to have an inclined angle, a second transverse rib plate corresponding to the transverse rib plate is arranged in the second sound wave transmission channel, and the inclined angle of the second transverse rib plate corresponds to the inclined angle of the transverse rib plate.

[0007] The above structure, by the arrangement of the partition plate, the sound waves on both sides of the sound wave output port do not affect each other, thereby reducing the case of mutual superposition of incident waves and reflected waves of sound waves of the same frequency to generate standing wave distortion, thereby improving the sound effect, and by the arrangement of the sound wave output small channels, when the sound waves are transmitted out of the outside from the sound wave output small channels, the mutual interference of the sound waves during transmission can be reduced due to the independence of each sound wave output small channel, thereby further improving the sound emitting effect, and due to the inclined angle arrangement of the top end of the transverse rib plate downward, the sound transmission has a certain inclined angle, and the sound can be transmitted downward, so that the sound can be propagated along the specified angle, thereby making the sound directivity good and the sound effect good, and by the arrangement of the second transmission, the sound emitted by the loudspeaker can play a guiding role, thereby making the sound directivity better.

[0008] Further, the two ends of the transverse rib plate are arranged on the first transmission body by the connecting rib plate.

[0009] The above arrangement can not only provide the connecting structure of the transverse rib plate, but also strengthen the structural strength of the first transmission body by the connecting rib plate.

[0010] Further, a reinforcing rib plate is arranged in the first transmission body, and the reinforcing rib plate is connected with the transverse rib plate.

[0011] The above arrangement can make the structural strength of the first transmission body better by the arrangement of the reinforcing rib plate.

[0012] Further, the first conductor is provided with a mounting seat, and the first conductor is provided with a connecting hole penetrating to the bottom of the mounting seat.

[0013] The above arrangement is convenient for mounting the first conductor on the loudspeaker through the connecting hole.

[0014] Further, the connecting hole is a counter-sunk hole.

[0015] The above arrangement is convenient for hiding the mounting part through the counter-sunk hole, so that the surface of the first conductor is neat.

[0016] Further, the first conductor is provided with a mounting seat, and the first conductor is provided with a connecting hole penetrating to the bottom of the mounting seat.

[0017] The above arrangement is convenient for mounting the first conductor on the loudspeaker through the connecting hole.

[0018] Further, the first conductor is provided with a mounting seat, and the first conductor is provided with a connecting hole penetrating to the bottom of the mounting seat.

[0019] The above arrangement can reduce mutual interference of sound waves during conduction, and further improves the sound output effect.

[0020] Further, the first conductor is provided with a mounting seat, and the first conductor is provided with a connecting hole penetrating to the bottom of the mounting seat.

[0021] Therefore, the connection between the first conductor and the second conductor is more simple and firm. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 It is an explosion schematic diagram of the utility model.

[0023] Figure 2 It is a bottom structure schematic diagram of the first conductor of the utility model.

[0024] Figure 3 It is a top view of the utility model.

[0025] Figure 4 It is Figure 3 It is a sectional view at A-A.

[0026] Figure 5 It is a bottom structure schematic diagram of the second conductor of the utility model. DETAILED DESCRIPTION

[0027] The utility model will be made further detailed explanation in combination with the drawings and specific embodiment.

[0028] As Figures 1 to 5 The utility model discloses a sound output directivity good conduction device, including first conduction body 1 and second conduction body 3, second conduction body 3 is located first conduction body 1 lower end, is equipped with sound wave output port 2 on first conduction body 1, is equipped with a partition plate 11 in the output direction of sound wave output port 2, is equipped with more than one transverse rib 12 in the length direction of partition plate 11 in sound wave output port 2, the bottom end transverse rib 12 between adjacent transverse rib 12, the bottom surface between the lowermost transverse rib 12 and sound wave output port 2, the top surface between the uppermost transverse rib 12 and sound wave output port 2 all form sound wave output channel 21, sound wave output channel 21 is divided into sound wave output small channel 22 by partition plate 11, is equipped with the second sound wave conduction channel 31 corresponding with sound wave output port 2 in second conduction body 3, one end of second sound wave conduction channel 31 is connected with the sound production end of loudspeaker (not shown in the drawing), and the other end of second sound wave conduction channel 31 is connected with sound wave output channel 2, and the top end of transverse rib 12 is located on sound wave output port 2, and the side wall of transverse rib 12 is inclined downward from the bottom end of transverse rib 12 and extends to the top end of transverse rib 12, is set, and the top end of each transverse rib 12 is inclined downward and is set so that the output direction of sound wave output channel 21 has an inclination angle, is equipped with the second transverse rib 32 corresponding with transverse rib 12 in second sound wave conduction channel 31, and the inclination angle of second transverse rib 32 corresponds with the inclination angle of transverse rib 12, is equipped with the second partition plate 33 corresponding with partition plate 11 in the output direction of second sound wave conduction channel 31, and the second sound wave output small channel 34 corresponding with sound wave output small channel 22 is formed between second partition plate 33 and second transverse rib 32, because each second sound wave output small channel 34 is independent, can reduce the mutual interference of sound wave when conduction, further improves the sound production effect.

[0029] As Figure 2 The both ends of transverse rib 12 are set on first conduction body 1 through connecting rib 13. Through connecting rib 13, the connecting structure of transverse rib 12 can be provided, and the structural strength of first conduction body 1 can be further strengthened.

[0030] Reinforcing rib 14 is further arranged in the inside of first conduction body 1, and the reinforcing rib 14 is further connected with the transverse rib 12. The structural strength of the first conduction body 1 is better through the arrangement of the reinforcing rib 14.

[0031] The first conductor 1 is provided with a mounting surface 10 on both sides of the sound wave output port 2, a mounting seat 15 is arranged at the bottom of the mounting surface 10, and the mounting surface 10 is arranged to be inclined downward from the sound wave output port. By arranging the mounting surface, the mounting seat can be conveniently arranged, and the sound waves output by the sound wave output port can be guided to both sides through the inclined mounting surface.

[0032] The first conductor 1 is provided with a mounting seat 15, and a connecting hole 16 penetrating to the bottom of the mounting seat 15 is arranged at the top end of the first conductor 1. By arranging the connecting hole 16, the first conductor 1 can be conveniently mounted on the loudspeaker.

[0033] The connecting hole 16 is a countersunk hole. By arranging the countersunk hole, the mounting part can be hidden, so that the surface of the first conductor is neat. In the embodiment, the mounting part is a screw.

[0034] The second conductor 3 is provided with a mounting hole 35 corresponding to the mounting seat 15, the mounting seat 15 is embedded into the mounting hole 35, and the connecting hole 16 penetrates to the bottom end of the second conductor 3, so that the connection between the first conductor 1 and the second conductor 3 is more simple and firm.

[0035] The working principle of the utility model is: through the arrangement of the partition plate 11, the sound waves on both sides of the sound wave output port 2 on the partition plate 11 do not interfere with each other, so that the case of standing wave distortion caused by the mutual superposition of incident waves and reflected waves of the same frequency sound waves is reduced, and the sound effect is improved. At the same time, through the arrangement of the sound wave output small channel 22, when the sound waves are conducted out of the outside from the sound wave output small channel 22, since each sound wave output small channel 22 is independent of each other, the mutual interference of the sound waves during the conduction is reduced, the sound effect is further improved, and since the inclination angle of the transverse rib plate 12 is arranged, the conduction of the sound has a certain inclination angle, and the sound can propagate along the specified angle, so that the directivity of the sound is good, the sound effect is good, and at the same time, through the arrangement of the second conductor, the sound emitted by the loudspeaker can play a guiding role, so that the directivity of the sound is better.

Claims

1. A sound-conducting device with good sound directionality, comprising a first conductor and a second conductor, the second conductor being located at the lower end of the first conductor, a sound wave output port being provided on the first conductor, and a dividing plate being provided in the output direction of the sound wave output port; one or more transverse ribs being provided inside the sound wave output port along the length direction of the dividing plate, sound wave output channels being formed between adjacent transverse ribs, between the lowermost transverse rib and the bottom surface of the sound wave output port, and between the uppermost transverse rib and the top surface of the sound wave output port, the sound wave output channels being divided into small sound wave output channels by the dividing plate, a second sound wave conduction channel corresponding to the sound wave output port being provided inside the second conductor, one end of the second sound wave conduction channel being connected to the sound-producing end of a speaker, and the other end of the second sound wave conduction channel being connected to the sound wave output channel, characterized in that: The top end of the transverse rib plate is located at the sound wave output port, and the side wall of the transverse rib plate is inclined downward from the bottom end of the transverse rib plate to the top end of the transverse rib plate, and the top end of each transverse rib plate is inclined downward, so that the output direction of the sound wave output channel has an inclination angle; a second transverse rib plate corresponding to the transverse rib plate is arranged in the second sound wave transmission channel, and the inclination angle of the second transverse rib plate corresponds to the inclination angle of the transverse rib plate.

2. The sound conducting device with good sound output directivity according to claim 1, characterized in that: The two ends of the transverse rib plate are arranged on the first transmission body through a connecting rib plate.

3. The conductive device of claim 1, wherein: A reinforcing rib plate is further arranged in the first transmission body, and the reinforcing rib plate is further connected with the transverse rib plate.

4. The sound conducting device of claim 1, wherein: A mounting seat is arranged on the first transmission body, and a connecting hole penetrating to the bottom of the mounting seat is arranged at the top end of the first transmission body.

5. The sound conducting device of claim 4, wherein: The connecting hole is a countersunk hole.

6. The conductive device of claim 4, wherein: Mounting surfaces are arranged on both sides of the first transmission body at the sound wave output port, the mounting seat is arranged at the bottom of the mounting surface, and the mounting surface is inclined downward from the sound wave output port.

7. The sound conducting device of claim 1, wherein: A second partition plate corresponding to the partition plate is arranged in the output direction of the second sound wave transmission channel, and a second sound wave output small channel corresponding to the sound wave output small channel is formed between the second partition plate and the second transverse rib plate.

8. The conductive device of claim 4, wherein: A mounting hole corresponding to the mounting seat is arranged on the second transmission body, the mounting seat is embedded into the mounting hole, and the connecting hole penetrates to the bottom end of the second transmission body.

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