CN111477208B - Waveguide device and acoustic wave transmitting apparatus - Google Patents
Waveguide device and acoustic wave transmitting apparatus Download PDFInfo
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- CN111477208B CN111477208B CN202010307638.5A CN202010307638A CN111477208B CN 111477208 B CN111477208 B CN 111477208B CN 202010307638 A CN202010307638 A CN 202010307638A CN 111477208 B CN111477208 B CN 111477208B
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- 230000005236 sound signal Effects 0.000 claims abstract description 10
- 230000008093 supporting effect Effects 0.000 claims description 77
- 229920000049 Carbon (fiber) Polymers 0.000 claims description 13
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- 239000000463 material Substances 0.000 claims description 12
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 8
- 239000000203 mixture Substances 0.000 claims description 5
- 239000003562 lightweight material Substances 0.000 claims description 4
- 230000005540 biological transmission Effects 0.000 abstract description 7
- 210000000078 claw Anatomy 0.000 description 14
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- 230000004044 response Effects 0.000 description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
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- 239000012783 reinforcing fiber Substances 0.000 description 2
- 239000012779 reinforcing material Substances 0.000 description 2
- 230000002940 repellent Effects 0.000 description 2
- 239000005871 repellent Substances 0.000 description 2
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- 230000004071 biological effect Effects 0.000 description 1
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Classifications
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- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
- G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
- G10K11/18—Methods or devices for transmitting, conducting or directing sound
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- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
- G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
- G10K11/18—Methods or devices for transmitting, conducting or directing sound
- G10K11/26—Sound-focusing or directing, e.g. scanning
- G10K11/28—Sound-focusing or directing, e.g. scanning using reflection, e.g. parabolic reflectors
Abstract
The application provides a waveguide device and a sound wave transmission device for transmitting sound waves. The waveguide device includes: a sound conducting structure; the sound head driver is arranged on the sound conduction structure; a waveguide gap; the plurality of sound conduction structures are sequentially arranged in the same direction, and the waveguide gaps are arranged between two adjacent sound conduction structures so as to respectively superimpose the audio signals with the same attribute. The application can make the high sound pressure sound wave spread out along the surface of the sound conduction structure to the periphery through the guide device, and can improve the distance of sound propagation and the definition of sound propagation.
Description
Technical Field
The application relates to the technical field of biological activity acquisition, in particular to a waveguide device and a sound wave transmission device.
Background
In transportation and agriculture, bird repellent devices are often used to repel birds. In the agricultural anti-flying bird driving system, the sound wave transmission equipment is adopted to generate sound waves to drive birds to fly away. In the related acoustic wave transmitting device in the prior art, the defects of limited sound propagation distance, low definition and the like exist.
Disclosure of Invention
The present application aims to solve one of the above technical problems.
It is an object of the present application to provide a waveguide device.
Another object of the present application is to provide an acoustic wave transmitting apparatus.
To achieve the first object of the present application, an embodiment of the present application provides a waveguide device for transmitting acoustic waves, the waveguide device including: a sound conducting structure; the sound head driver is arranged on the sound conduction structure; a waveguide gap; the plurality of sound conduction structures are sequentially arranged in the same direction, and the waveguide gaps are arranged between two adjacent sound conduction structures so as to respectively superimpose the audio signals with the same attribute.
In the technical scheme, because the propagation distances of sound in different media are different, the sound head drivers can make sound waves catalytically synthesize the power of each sound head driver in the waveguide gap between two adjacent sound conduction structures, for example, according to the characteristic of frequency response curves and impedance of sound waves emitted by a plurality of generators with the same attribute, particularly in a free space field and normal atmospheric pressure state, according to the characteristic of sound reflection, the sound conduction structures and the waveguide gap can superimpose sound waves with the same attribute of high resolution and high dynamic frequency response in the near field so as to form high-sound-pressure sound waves, and the high-sound-pressure sound waves can propagate along the surface of the sound conduction structures to the periphery so as to improve the propagation distance and the propagation definition of sound.
In addition, the technical scheme provided by the application can also have the following additional technical characteristics:
in the above technical solution, the sound conduction structure includes: a conductive body; the first waveguide surface is arranged on one side of the conductive body and is provided with an outwards convex curved surface; the second waveguide surface is arranged on the other side of the conductive body, is provided with an outwards convex curved surface and is arranged opposite to the first waveguide surface; the waveguide gap is arranged between the adjacent first waveguide surface and the second waveguide surface between the plurality of sound conduction structures so as to overlap the audio signals with the same attribute and the same frequency and the same phase.
In the technical scheme, the convex curved surface of the first waveguide surface and the convex curved surface of the second waveguide surface are oppositely arranged and are symmetrically arranged by taking the symmetry center as the center, so that sound waves can be better overlapped after passing through the waveguide gap between the first waveguide surface and the second waveguide surface, and the distance and the definition of sound wave transmission can be ensured. The generator emits sound, and the formed sound wave propagates through the waveguide structure, so that the sound can propagate to a distance. If a plurality of generators emit sound, there will be a plurality of sound waves, which, as shown, will propagate farther and more clearly through the superposition of the waveguide means in this embodiment. When two identical sounds arrive at a point at the same time, the power is increased by a factor of 1.414, i.e. 3dB, compared to one sound. Multiple sounder stacks can be calculated analogically. The waveguide device is used for superposing audio signals with the same amplitude, the same frequency and the same phase, exerting the maximum power of sound and then transmitting the sound out.
In any of the above solutions, the sound conduction structure further includes: the first supporting structure is arranged on the first waveguide surface; the second supporting structure is arranged on the second waveguide surface; the first waveguide surface is provided with a central symmetry structure, the two first support structures are symmetrically arranged at the symmetry center, are suitable for being abutted with the adjacent second support structures, and define a waveguide gap, and the first support structures and the second support structures are located in the same waveguide gap.
In this technical scheme, waveguide gap's width can influence and carry out superimposed efficiency and reliability to the sound wave, consequently, through setting up first bearing structure on first waveguide face, set up second bearing structure on the second waveguide face, first bearing structure and second bearing structure butt each other to the width in clearance between defining first waveguide face and the second waveguide face, namely waveguide gap's width can guarantee to carry out superimposed effect to the sound wave, in order to further guarantee the distance of sound propagation and the definition of sound propagation. In addition, the first supporting structure and the second supporting structure are mutually abutted, and can also play a role in supporting the sound conduction structure so as to ensure the stability of the integral structure of the sound conduction structures which are sequentially overlapped together. The two first supporting structures are symmetrically arranged relative to the symmetry center of the first waveguide surface, correspondingly, the second waveguide surface also has a symmetry center structure, and the second supporting structures are symmetrically arranged relative to the symmetry center of the second waveguide surface, so that a stable waveguide gap is formed between the first waveguide surface and the second waveguide surface, and the structural stability of the whole waveguide device can be enhanced. In addition, the waveguide device with a plurality of sound conduction structures is overlapped through the mutual abutting of the first supporting structure and the second supporting structure, so that the overlapped structure can be simplified, the number of the sound conduction structures can be increased or reduced more conveniently according to actual needs, and the application range of the waveguide device is improved.
In any of the above solutions, the sound conduction structure further includes: the third supporting structure is arranged on the first waveguide surface; the fourth supporting structure is arranged on the second waveguide surface; the third supporting structure and the fourth supporting structure are positioned in the same waveguide gap and are mutually abutted.
In this technical scheme, through setting up third bearing structure on first guiding surface to set up fourth bearing structure on the second guiding surface, third bearing structure and fourth bearing structure butt each other have still further strengthened the effect to the support of sound conduction structure, in order to further guarantee the stability of the overall structure of a plurality of sound conduction structures that stack together in proper order. The two third supporting structures are symmetrically arranged relative to the symmetry center of the first waveguide surface, and correspondingly, the fourth supporting structures are symmetrically arranged relative to the symmetry center of the second waveguide surface, so that the structural stability of the whole waveguide device can be further enhanced.
In any of the above solutions, the waveguide device further includes: the support seat is at least suitable for supporting a second support structure on the second outer waveguide surface.
In this technical scheme, can play the supporting role to the second bearing structure on the second waveguide face of outside in the waveguide device through the supporting seat, because two second bearing structure set up symmetrically with the symmetry center of second waveguide face as the symmetry center, consequently, the supporting seat has two at least supporting claws with two second bearing structure mutual butt respectively, make waveguide device's overall structure more stable, the supporting seat also can make whole waveguide device use more convenient, for example can mention the supporting seat in order to change waveguide device from one position to another position. In addition, since the fourth supporting structures are further arranged on the second waveguide surface, the supporting seat is correspondingly provided with supporting claws corresponding to the number and the positions of the two fourth supporting structures so as to respectively abut against the two fourth supporting structures, and the supporting seat can further play a role of a reinforcing structure. In order to increase the stability of the supporting seat, the bottom of each supporting claw is provided with a supporting plate, one end of each supporting claw is uniformly connected with the supporting plate, and the supporting plates can be in a plate body structure with equal thickness. One end of each supporting claw far away from the supporting plate is provided with a base plate, and the base plate is mutually abutted with the second supporting structure and the fourth supporting structure, so that the stability of the supporting structure of the supporting seat can be further improved.
In any of the above technical solutions, the width of the waveguide gap is 10 mm-20 mm.
In the technical scheme, the width of the waveguide gap can influence the efficiency and the reliability of the superposition of the sound waves, so that the value width of the waveguide gap is 10-20 mm, the superposition quality of the waveguide gap on the sound waves can be ensured, and the transmission distance and the definition of the sound waves are ensured.
In any of the above embodiments, the sound conducting structure is made of a light material.
In the technical scheme, the sound conduction structure is a shell structure and is made of light materials, so that the weight of equipment can be reduced, and an ideal waveguide propagation effect can be achieved.
In any of the above embodiments, the lightweight material is a mixture of glass fibers and carbon fibers.
In the technical scheme, the sound conduction structure is made of a light material formed by a mixture of glass fibers and carbon fibers, wherein the glass fibers are inorganic nonmetallic materials with excellent performance, have the characteristics of good insulativity, strong heat resistance, good corrosion resistance, high mechanical strength and the like, and can be used as a reinforcing material in a composite material to strengthen the overall structural strength of the sound conduction structure. The carbon fiber is a novel fiber material of high-strength and high-modulus fiber with carbon content more than 95%, has the inherent intrinsic characteristics of the carbon material, and has soft processability of textile fiber, and is a new generation of reinforcing fiber, so that the weight of equipment can be further reduced, and an ideal waveguide propagation effect can be achieved.
In any of the above technical solutions, the weight part ratio of the glass fiber to the carbon fiber is 53:21.
in the technical scheme, the weight part ratio of the glass fiber to the carbon fiber is 53:21, which enable the sound conducting structure to have a certain structural strength without losing a certain flexibility.
To achieve the second object of the present application, an embodiment of the present application provides an acoustic wave transmitting apparatus including: the waveguide device of any of the embodiments of the present application.
In this technical solution, the acoustic wave transmitting apparatus provided by the embodiment of the present application includes the waveguide device according to any one of the embodiments of the present application, so that the acoustic wave transmitting apparatus according to the embodiment of the present application has all the beneficial effects of the waveguide device according to any one of the embodiments of the present application.
Additional aspects and advantages of the application will be set forth in part in the description which follows, or may be learned by practice of the application.
Drawings
FIG. 1 is a schematic perspective view of a waveguide device according to an embodiment of the present application;
FIG. 2 is a schematic diagram illustrating the operation of a waveguide device according to an embodiment of the present application;
fig. 3 is a schematic diagram of the principle of acoustic superposition of a waveguide device according to an embodiment of the present application.
Wherein, the correspondence between the reference numerals and the component names in fig. 1 to 3 is:
100: waveguide device, 110: sound conducting structure, 1102: conductive body, 1104: first guiding surface, 1106: second guiding surface, 1108: first support structure, 1110: second support structure, 1112: third support structure 1114: fourth support structure, 120: head driver, 130: waveguide gap, 140: support base, 142: support claw, 144: support plate, 146: a backing plate.
Detailed Description
In order that the above-recited objects, features and advantages of the present application will be more clearly understood, a more particular description of the application will be rendered by reference to the appended drawings and appended detailed description. It should be noted that, without conflict, the embodiments of the present application and features in the embodiments may be combined with each other.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application, however, the present application may be practiced in other ways than those described herein, and therefore the scope of the present application is not limited to the specific embodiments disclosed below.
The following describes some embodiments of the present application with reference to fig. 1 to 3.
Example 1
As shown in fig. 1, the present embodiment provides a waveguide device 100 for transmitting acoustic waves, the waveguide device 100 including: the sound conduction structure 110, the sound head driver 120 and the waveguide gap 130, wherein the sound head driver 120 is arranged on the sound conduction structure 110; the plurality of sound conducting structures 110 are sequentially arranged in the same direction, and the waveguide gap 130 is arranged between two adjacent sound conducting structures 110 to respectively superimpose the audio signals with the same attribute.
In this embodiment, the distances of sound propagation in different media are different, the sound head driver 120 can make sound waves catalytically synthesize the power of each sound head driver 120 in the waveguide gap 130 between two adjacent sound conducting structures 110, for example, for sound waves emitted by multiple generators with the same attribute, according to the frequency response curve and the impedance characteristic, especially in the free space field and the normal atmospheric pressure state, according to the characteristic of sound reflection, the sound conducting structures 110 and the waveguide gap 130 can superimpose the sound waves with the same attribute of high resolution and high dynamic frequency response in the near field so as to form high sound pressure sound waves, and the high sound pressure sound waves can propagate along the surface of the sound conducting structures 110 to the periphery so as to improve the distance of sound propagation and the definition of sound propagation.
In this embodiment, a plurality of different sound conducting structures 110 can be stacked to achieve different boosting.
Example 2
As shown in fig. 1, 2 and 3, the present embodiment provides a waveguide device 100. In addition to the technical features of the above embodiment, the present embodiment further includes the following technical features:
the sound conducting structure 110 includes: the waveguide comprises a conducting body 1102, a first waveguide surface 1104 and a second waveguide surface 1106, wherein the first waveguide surface 1104 is arranged on one side of the conducting body 1102 and is provided with a convex curved surface; the second waveguide surface 1106 is disposed on the other side of the conductive body 1102, and the second waveguide surface 1106 has a convex curved surface and is disposed opposite to the first waveguide surface 1104; the waveguide gap 130 is disposed between the adjacent first waveguide surface 1104 and the second waveguide surface 1106 between the plurality of sound conducting structures 110, so as to superimpose the audio signals with the same attribute and the same frequency and the same phase.
In this embodiment, the convex curved surface of the first waveguide surface 1104 and the convex curved surface of the second waveguide surface 1106 are disposed opposite to each other and are symmetrically disposed with the center of symmetry as the center, so that the entire sound conducting structure 110 becomes a sound disc, and after a plurality of sound waves pass through the waveguide gap 130 between the first waveguide surface 1104 and the second waveguide surface 1106, the sound waves can be better superimposed, so as to ensure the distance and the definition of the sound wave transmission. Specifically, the generator emits sound, and the formed sound wave propagates through the waveguide device 100 so that the sound can propagate to a remote place. If a plurality of generators emit sound, there will be a plurality of sound waves, and as shown in fig. 2, the sound will propagate farther and more clearly through the superposition of the wave guide device 100 in this embodiment. More specifically, when a plurality of columns of sound waves are superimposed on each other, the resultant displacement at the point of meeting is shown in fig. 3, and the mathematical expression of the acoustic superposition principle is:wherein (1)>The vibration curve representing the first column of sound waves is expressed as a function: />The vibration curve representing the second column of sound waves is expressed as a function: />The vibration curve representing the nth column of sound waves is expressed as a function: />A 1 The representation is: amplitude, omega of sound wave of first column 1 The representation is: round frequency of first column acoustic wave, +.>The representation is: the phase of the first column of sound waves, A 2 The representation is: amplitude, omega of sound wave of second column 2 The representation is: round frequency of second column acoustic wave, +.>The representation is: the phase, ω, of the second column of sound waves 2 The representation is: circular frequency of second-column sound wave, A n The representation is: the phase, ω, of the nth column acoustic wave n The representation is: amplitude of sound wave of nth column, +.>The representation is: the circular frequency of the nth column of sound waves, t, represents: the time of the sound wave vibration. In FIG. 2, the synthesized acoustic power can be expressed as +.>The intensity of the individual generator power can be understood simply as the amplitude An, where P 1 、P 2 、P n The power of each generator is, respectively, that if the audio signals from more than two generators have the same attribute, e.g. the same amplitude, the same frequency and the same phase, the power is +.>P' =αa, α being a coefficient. Therefore, when two identical sounds arrive at a point at the same time, the power is increased by 1.414 times, i.e., 3dB, compared to one sound. Multiple sounder stacks can be calculated analogically.
In this embodiment, the waveguide device 100 is used to superimpose audio signals with the same amplitude, the same frequency and the same phase, to exert the maximum power of the sound, and then to transmit the sound.
The relationship between sound pressure and distance is: assuming that the maximum sound pressure value of the O point is Lx, the maximum sound pressure value at D meters away from the O point is ld=lo-20 LgD, where Lg is a base 10 logarithm. E.g. lo=156 dBA, d=4 meters, ld=144 dBA.
Example 3
As shown in fig. 1, the present embodiment provides a waveguide device 100. In addition to the technical features of the above embodiment, the present embodiment further includes the following technical features:
the sound conducting structure 110 further comprises: a first support structure 1108 and a second support structure 1110, the first support structure 1108 being disposed on the first waveguide surface 1104 and the second support structure 1110 being disposed on the second waveguide surface 1106; the first waveguide surface 1104 has a central symmetry structure, and two first support structures 1108 are symmetrically disposed at the center of symmetry, adapted to abut against an adjacent second support structure 1110, and define a waveguide gap 130, where the first support structure 1108 and the second support structure 1110 are located in the same waveguide gap 130.
In this embodiment, the width of the waveguide gap 130 affects the efficiency and reliability of the superposition of the acoustic waves, so by providing the first support structure 1108 on the first waveguide surface 1104 and providing the second support structure 1110 on the second waveguide surface 1106, the first support structure 1108 and the second support structure 1110 abut against each other to define the width of the gap between the first waveguide surface 1104 and the second waveguide surface 1106, that is, the width of the waveguide gap 130, the superposition effect of the acoustic waves can be ensured, so as to further ensure the distance of sound propagation and the definition of sound propagation. Since the sound head driver 120 is disposed at the symmetry center of the first waveguide surface 1104 and the sound head driver 120 extends into the waveguide gap 130, a plurality of sound waves passing through different waveguide gaps 130 can be better superimposed, and the quality of the superimposed sound waves can be improved. In addition, the first supporting structure 1108 and the second supporting structure 1110 are abutted against each other, and may also play a role in supporting the sound conducting structures 110, so as to ensure the stability of the overall structure of the sound conducting structures 110 that are sequentially stacked together. The two first supporting structures 1108 are symmetrically disposed with respect to the symmetry center of the first waveguide surface 1104, and correspondingly, the second waveguide surface 1106 also has a symmetry center structure, and the second supporting structures 1110 are symmetrically disposed with respect to the symmetry center of the second waveguide surface 1106, so that a stable waveguide gap 130 is formed between the first waveguide surface 1104 and the second waveguide surface 1106, which can also enhance the structural stability of the entire waveguide device 100. Further, by superposing the waveguide device 100 having the plurality of sound conducting structures 110 by the abutment of the first support structure 1108 and the second support structure 1110, the superposition structure can be simplified to more conveniently increase or decrease the number of sound conducting structures 110 according to actual needs. For example, a maximum of eight sound conducting structures 110 may be superimposed.
Example 4
As shown in fig. 1, the present embodiment provides a waveguide device 100. In addition to the technical features of the above embodiment, the present embodiment further includes the following technical features:
the sound conducting structure 110 further comprises: a third support structure 1112 and a fourth support structure 1114, the third support structure 1112 being disposed on the first waveguide surface 1104; the fourth support structure 1114 is disposed on the second waveguide surface 1106; wherein the third support structure 1112 and the fourth support structure 1114 are located in the same waveguide gap 130, and the third support structure 1112 and the fourth support structure 1114 are abutted against each other.
In this embodiment, by disposing the third supporting structure 1112 on the first waveguide surface 1104 and disposing the fourth supporting structure 1114 on the second waveguide surface 1106, the third supporting structure 1112 and the fourth supporting structure 1114 are abutted to each other, so as to further enhance the supporting effect on the sound conducting structure 110, and further ensure the stability of the overall structure of the sound conducting structures 110 stacked together in sequence. Wherein the two third support structures 1112 are symmetrically disposed with respect to the symmetry center of the first waveguide surface 1104, and correspondingly, the fourth support structures 1114 are symmetrically disposed with respect to the symmetry center of the second waveguide surface 1106, which can further enhance the structural stability of the entire waveguide device 100.
Example 5
As shown in fig. 1, the present embodiment provides a waveguide device 100. In addition to the technical features of the above embodiment, the present embodiment further includes the following technical features:
the waveguide device 100 further includes: and a support base 140, the support base 140 being adapted to support at least a second support structure 1110 on the second waveguide surface 1106 on the exterior.
In the present embodiment, the supporting seat 140 can serve as a support for the second supporting structures 1110 on the second waveguide surface 1106 located on the outside of the waveguide device 100, and since the two second supporting structures 1110 are symmetrically disposed with the symmetry center of the second waveguide surface 1106 as the symmetry center, the supporting seat 140 is provided with at least two supporting claws 142 to respectively abut against the two second supporting structures 1110, so that the overall structure of the waveguide device 100 is more stable. The supporting claw 142 may be a rod or a plate, wherein a portion of the supporting claw may be mutually attached to one surface of the supporting plate 144 to increase stability, and another portion of the supporting claw is bent and mutually perpendicular to the supporting plate 144 to further increase structural stability of the supporting seat 140. The support 140 may also facilitate the use of the entire waveguide device 100, for example, the support 140 may be lifted to change the waveguide device 100 from one location to another. In addition, since the fourth supporting structures 1114 are further disposed on the second waveguide surface 1106, the supporting base 140 is correspondingly provided with supporting claws 142 corresponding to the number and positions of the two fourth supporting structures 1114, so as to respectively abut against the two fourth supporting structures 1114, which can further play a role of reinforcing structure. In order to increase the stability of the support base 140, a support plate 144 is provided at the bottom of the support claws 142, one end of each support claw 142 is uniformly connected with the support plate 144, and the support plate 144 may be a plate structure with equal thickness. The end of each supporting claw 142 far away from the supporting plate 144 is provided with a backing plate 146, and the backing plate 146 is mutually abutted with the second supporting structure 1110 and the fourth supporting structure 1114, so that the stability of the supporting structure of the supporting seat 140 can be further improved.
Example 6
As shown in fig. 1, the present embodiment provides a waveguide device 100. In addition to the technical features of the above embodiment, the present embodiment further includes the following technical features:
the width of the waveguide gap 130 is 10mm to 20mm.
In this embodiment, since the width of the waveguide gap 130 affects the efficiency and reliability of stacking the sound waves, the value width of the waveguide gap 130 is 10 mm-20 mm, so that the quality of stacking the sound waves by the waveguide gap 130 can be ensured, where when the value width of the waveguide gap 130 is 19mm, the transmission distance and definition of the sound waves can be ensured.
Example 7
As shown in fig. 1, the present embodiment provides a waveguide device 100. In addition to the technical features of the above embodiment, the present embodiment further includes the following technical features:
the sound conducting structure 110 is made of a lightweight material.
In this embodiment, the sound conducting structure 110 is a shell structure, and is made of light materials, so that the weight of the device can be reduced, and an ideal waveguide propagation effect can be achieved.
Example 8
The present embodiment provides a waveguide device 100. In addition to the technical features of the above embodiment, the present embodiment further includes the following technical features:
the lightweight material is a mixture of glass fibers and carbon fibers.
In this embodiment, the sound conducting structure 110 is made of a light material composed of a mixture of glass fibers and carbon fibers, wherein the glass fibers are an inorganic nonmetallic material with excellent performance, and have the characteristics of good insulation, strong heat resistance, good corrosion resistance, high mechanical strength and the like, and can be used as a reinforcing material in a composite material to strengthen the overall structural strength of the sound conducting structure 110. The carbon fiber is a novel fiber material of high-strength and high-modulus fiber with carbon content more than 95%, has the inherent intrinsic characteristics of the carbon material, and has soft processability of textile fiber, and is a new generation of reinforcing fiber, so that the weight of equipment can be further reduced, and an ideal waveguide propagation effect can be achieved.
Example 9
The present embodiment provides a waveguide device 100. In addition to the technical features of the above embodiment, the present embodiment further includes the following technical features:
the weight part ratio of the glass fiber to the carbon fiber is 53:21.
in the embodiment, the weight portion ratio of the glass fiber to the carbon fiber is 53 by taking the weight portion as a calculation standard: 21, enable the sound conducting structure 110 to have a certain structural strength without losing a certain flexibility. The sound conduction structure 110 is made of glass fiber and carbon fiber, and the balance of auxiliary materials is 26 parts by weight.
Example 10
The present embodiment provides an acoustic wave transmitting apparatus including: the waveguide assembly 100 in any embodiment.
In this embodiment, the acoustic wave transmitting device 100 is an omni-directional acoustic wave bird repellent device that can be used to repel birds and other organisms by sound. The acoustic wave transmitting apparatus 100 provided by the embodiment of the present application includes the waveguide device 100 as any embodiment of the present application, and thus the acoustic wave transmitting apparatus 100 of the embodiment of the present application has all the advantageous effects of the waveguide device 100 of any embodiment of the present application.
In summary, the beneficial effects of the embodiment of the application are as follows:
1. by the structure of the waveguide device 100 in the mode of sound reflection and interference synthesis, the same-amplitude, same-frequency and same-phase sound is synthesized and overlapped to form high-sound-pressure sound waves, and the high-sound-pressure sound waves have the characteristics of long sound propagation distance and high definition.
2. The sound conducting structure 110 is made of light materials, so that the weight of the device can be reduced, and an ideal waveguide propagation effect can be achieved.
In the present application, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; the term "plurality" means two or more, unless expressly defined otherwise. The terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; "coupled" may be directly coupled or indirectly coupled through intermediaries. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art according to the specific circumstances.
In the description of the present application, it should be understood that the directions or positional relationships indicated by the terms "upper", "lower", "left", "right", "front", "rear", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or units referred to must have a specific direction, be constructed and operated in a specific direction, and thus should not be construed as limiting the present application.
In the description of the present specification, the terms "one embodiment," "some embodiments," "particular embodiments," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present application. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The above is only a preferred embodiment of the present application, and is not intended to limit the present application, but various modifications and variations can be made to the present application by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the protection scope of the present application.
Claims (9)
1. A waveguide device for transmitting sound waves, the waveguide device comprising:
a sound conducting structure;
the sound head driver is arranged on the sound conduction structure;
a waveguide gap;
the plurality of sound conduction structures are sequentially arranged in the same direction, and the waveguide gaps are arranged between two adjacent sound conduction structures so as to respectively superimpose the audio signals with the same attribute;
the sound conducting structure includes:
a conductive body;
the first waveguide surface is arranged on one side of the conductive body and is provided with an outwards convex curved surface;
the second waveguide surface is arranged on the other side of the conductive body, is provided with a convex curved surface and is arranged opposite to the first waveguide surface;
the convex curved surface of the first waveguide surface and the convex curved surface of the second waveguide surface are arranged oppositely;
the waveguide gaps are arranged between the adjacent first waveguide surfaces and the adjacent second waveguide surfaces among the sound conduction structures, so that the audio signals with the same attribute and the same amplitude, the same frequency and the same phase are overlapped.
2. The waveguide device of claim 1, wherein the sound conducting structure further comprises:
the first supporting structure is arranged on the first waveguide surface;
the second supporting structure is arranged on the second waveguide surface;
the first waveguide surface is provided with a central symmetry structure, the two first support structures are symmetrically arranged at the symmetry center and are suitable for being abutted with the adjacent second support structures, the waveguide gap is defined, and the first support structures and the second support structures are located in the same waveguide gap.
3. The waveguide device of claim 2, wherein the sound conducting structure further comprises:
a third support structure disposed on the first waveguide surface;
a fourth support structure disposed on the second guiding surface;
the third supporting structure and the fourth supporting structure are positioned in the same waveguide gap and are mutually abutted.
4. The waveguide apparatus according to claim 2, further comprising:
a support base adapted to support at least the second waveguide surface located outside
And said second support structure.
5. The waveguide device according to any one of claims 1 to 4, wherein the width of the waveguide gap is 10mm to 20mm.
6. The waveguide device according to claim 5, wherein,
the sound conduction structure is made of light materials.
7. The waveguide device of claim 6, wherein the lightweight material is a mixture of glass fibers and carbon fibers.
8. The waveguide device according to claim 7, wherein,
the weight part ratio of the glass fiber to the carbon fiber is 53:21.
9. an acoustic wave delivery apparatus, comprising:
a waveguide device according to any one of claims 1 to 8.
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| CN202010307638.5A CN111477208B (en) | 2020-04-17 | 2020-04-17 | Waveguide device and acoustic wave transmitting apparatus |
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| CN202010307638.5A CN111477208B (en) | 2020-04-17 | 2020-04-17 | Waveguide device and acoustic wave transmitting apparatus |
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| CN111477208B true CN111477208B (en) | 2023-11-03 |
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| CN1666566A (en) * | 2002-07-09 | 2005-09-07 | 奥特兰诺塞利G&C公司 | Single and multiple reflection wave guide |
| CN102656902A (en) * | 2009-10-30 | 2012-09-05 | 梦想资娱源艺有限公司 | Omnidirectional speaker |
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| CN111477208A (en) | 2020-07-31 |
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