CN209806060U - Double-flow in-phase planar waveguide array horn - Google Patents
Double-flow in-phase planar waveguide array horn Download PDFInfo
- Publication number
- CN209806060U CN209806060U CN201920705758.3U CN201920705758U CN209806060U CN 209806060 U CN209806060 U CN 209806060U CN 201920705758 U CN201920705758 U CN 201920705758U CN 209806060 U CN209806060 U CN 209806060U
- Authority
- CN
- China
- Prior art keywords
- sound source
- source input
- horn
- input throat
- sound
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Circuit For Audible Band Transducer (AREA)
Abstract
The utility model provides a double-flow-shape same-phase planar waveguide array horn, which comprises a horn body, wherein the horn body comprises a first sound source input throat, a second sound source input throat and a sound source output port, a sound source diffusion channel for sound source diffusion is arranged between the first sound source input throat, the second sound source input throat and the sound source output port of the horn body, the first sound source input throat and the second sound source input throat are both communicated with the sound source diffusion channel, sound wave guide blocks are respectively arranged in the first sound source input throat and the second sound source input throat, the horn adopts the latest fluid simulation industrial design, two point sound source spherical waves are changed into a rectangular planar array sound source, the horn is matched with a specially designed constant direction diffusion horn, so that when a loudspeaker system fully meets multiple groups, medium and low tones can be coupled, and medium and high frequencies do not interfere with each other, the requirements for large sound pressure, long range and low distortion field are met.
Description
Technical Field
The utility model relates to a sound equipment technical field, in particular to double-flow shape is with looks planar waveguide array bugle.
Background
At present, the horn of the high-frequency waveguide is a radiator which is arranged in front of a horn and has a special shape, and can compress and amplify high-frequency sound waves and restrain and change the propagation direction. Most of sound box horns on the market are in a conventional horn mouth shape from small space to large space, so that the sound is directionally propagated and the sound pressure of a specific frequency band is changed, a single driving sound source is low in sound energy power radiation capability, part of sound energy is wasted in propagation loss and insufficient in sound energy density, the problem of horizontal and vertical phase difference covering on an off-axis and the problem of off-axis critical sound energy attenuation (off-axis critical attenuation-6 dB) still exist in a sound field radiation area, the sound quality and the balance degree in the whole sound field radiation area are easy to fluctuate and unstable, and the requirements of accurate positioning of sound in a middle-distance and long-distance coverage area and high-end places with high requirements on sound field uniformity and the like cannot be met. This therefore requires continuous optimization and innovation in the design of the loudspeaker system.
SUMMERY OF THE UTILITY MODEL
Not enough to current technique, the utility model provides a double-flow shape is with looks planar waveguide array bugle.
In order to realize the purpose, the utility model adopts the technical scheme that: the utility model provides a double-flow-shape homophase plane waveguide array bugle, includes the bugle body, the bugle body includes first sound source input throat, second sound source input throat and sound source delivery outlet, have the sound source diffusion passageway that supplies the sound source diffusion between first sound source input throat, second sound source input throat and the sound source delivery outlet of bugle body, first sound source input throat and second sound source input throat all are linked together with sound source diffusion passageway, be equipped with the sound wave water conservancy diversion piece in first sound source input throat and the second sound source input throat respectively, first sound source input throat and second sound source input throat all separate out two independent sound wave water conservancy diversion passageways through sound wave water conservancy diversion piece, the contained angle between first sound source input throat and the second sound source input throat is 40 ~ 50 degrees.
The sound wave guide block is a shuttle-shaped body with the thickness of two ends smaller than the thickness of the middle part.
The first sound source input throat and the second sound source input throat are arranged in a symmetrical mirror image mode.
The first sound source input throat and the second sound source input throat are separated by the sound wave guide block to form four equidistant sound wave guide flow channels.
The horn body is composed of two symmetrical semi-cavity shells and is assembled into a whole through a plurality of screws.
The sound source diffusion channel of the horn body is provided with a horizontal radiation angle diffusion curved surface which is arranged at a horizontal angle with the sound wave guide flow channel, and the sound source diffusion channel of the horn body is provided with a vertical radiation angle diffusion curved surface which is arranged at a vertical angle with the sound wave guide flow channel.
The horn body be located the opening part outer wall of sound source delivery outlet and be equipped with the round arch, protruding surface be equipped with the recess that a plurality of intervals equal and symmetry set up.
The horn body outer wall be equipped with a plurality of violently indulge crisscross setting and be used for the absorbing strengthening rib.
And the included angle between the first sound source input throat and the second sound source input throat is 44 degrees.
And horn unit mounting fixing discs are arranged at the inlets of the first sound source input throat and the second sound source input throat.
The utility model has the advantages that: the utility model provides a double-flow shape same-phase planar waveguide array horn; the horn of the product adopts the latest fluid simulation industrial design, two point sound sources are changed into a rectangular planar array sound source through spherical waves, and a specially designed constant directional diffusion horn is matched, so that the loudspeaker system fully meets the requirements of high sound pressure, long range and low distortion fields that medium and low frequencies can be coupled and do not interfere with each other when multiple components are combined; the uniformity of sound field radiation in a coverage area is improved, distortion and frequency response reduction caused by phase shift caused by off-axis can be reduced, the whole field tone quality is clear and transparent, and the fidelity is obviously improved; through different array combinations, the acoustic design of the array acoustic control device enables the sound directivity level and the vertical direction to be effectively controlled to be off-axis scattering loss, the sound level difference can be controlled within-3 db, the sound field stability in a field is improved, the array acoustic control device can be divided into a plurality of specifications and installed on compression high pitch drivers with different powers.
Drawings
Fig. 1 is a schematic structural view of the present invention;
Fig. 2 is a first cross-sectional view of the present invention;
Fig. 3 is a second cross-sectional view of the present invention.
Detailed Description
as shown in fig. 1 to 3, a dual-flow in-phase planar waveguide array horn, includes a horn body 100, the horn body includes a first sound source input throat 200, a second sound source input throat 300 and a sound source output port 400, a sound source diffusion channel 500 for diffusing sound sources is arranged among the first sound source input throat 200, the second sound source input throat 300 and the sound source output port 400 of the horn body 100, the first sound source input throat 200 and the second sound source input throat 300 are both in communication with the sound source diffusing channel 500, the first sound source input throat 200 and the second sound source input throat 300 are respectively provided with an acoustic waveguide block 600, the first acoustic source input throat 200 and the second acoustic source input throat 300 are each separated into two separate acoustic waveguide flow channels 700 by an acoustic waveguide block 600, and the included angle between the first sound source input throat 200 and the second sound source input throat 300 is 40-50 degrees.
The acoustic waveguide block 600 is a shuttle-shaped body with the thickness of both ends smaller than the thickness of the middle.
The first sound source input throat 200 is arranged in a symmetrical mirror image with the second sound source input throat 300.
The first sound source input throat 200 and the second sound source input throat 300 are separated by the sound wave flow guiding block 600 to form four equidistant sound wave flow guiding channels 700, the sound wave differential flow guiding structures arranged at the sound input ends of the horn body 100 are divided into two independent and symmetrical mirror-image acoustic path channels from the sound wave differential flow guiding structures at the throats, and the sound wave flow guiding structures at each path are designed for a shuttle-shaped body, and the sound propagation path lengths of the sound wave flow guiding structures are adjusted and calibrated and then converged into a rectangular output port. The sound wave flow guide structure divides the initial two input end sounds into 4 paths of rectangular output ports with equal distance.
The horn body 100 is composed of two symmetrical semi-cavity shells and assembled into a whole through a plurality of screws, and the horn is formed by combining two halves into a whole, so that the die is simplified, the design is efficient, the manufacturing cost is effectively controlled, and the feasibility of the manufacturing process is solved.
The sound source diffusion channel 500 of the horn body 100 is provided with a horizontal radiation angle diffusion curved surface 510 which is arranged at a horizontal angle with the sound wave conduction channel 700, the sound source diffusion channel 500 of the horn body 100 is provided with a vertical radiation angle diffusion curved surface 520 which is arranged at a vertical angle with the sound wave conduction channel 700, a diffusion horn arranged at the sound outlet end of the horn body 100, and the covering angle of a sound field is further controlled, wherein two key independent differential sound wave conduction structures are designed to finely and finely adjust acoustic parameters of equal paths, a ridge convex line fine adjustment path of an output port is formed to form extremely high frequency logarithm double differential radiation, finally sound waves output by four small square ports are coupled and converged into constant rectangular plane waves, the constant direction diffusion horn is carefully designed, the most extensive outlet of the diffusion horn is a square, sound pressure is further improved by a double-drive unit, and the sound energy density of medium and long distances is higher, the output of the cube diffusion horn is also very beneficial to distortion control of the beam edge, not only is the distortion of a sound field greatly reduced, but also the off-axis response dip of any horizontal/vertical plane is controlled within-3 db (half power angle), and the offset of the phase position can be controlled.
Bugle body 100 be located the opening part outer wall of sound source delivery outlet 400 and be equipped with the protruding 800 of round, protruding 800 surface be equipped with the recess 810 that a plurality of intervals equal and symmetry set up, eliminate and filter the vibrations of bugle body 100 fastening at the box to reduce the diffraction effect that the sound wave propagated to diffusion bugle edge.
The horn body 100 outer wall be equipped with a plurality of crisscross strengthening ribs that are used for the absorbing that sets up of violently indulging, except that there is strengthening rib fastening and the pleasing to the eye effect of industrial manufacture to horn body 100, mainly play key absorption and prevention effect to the resonance that the diffusion horn arouses at sound wave transmission process, the produced distortion of very big reduction sound transmission in-process improves definition and fidelity.
The included angle between the first sound source input throat 200 and the second sound source input throat 300 is 44 degrees, the included angles are respectively designed for two compression type driving high pitch units at the optimal logarithmic included angle, each path of the high pitch units is divided into two deflection angle transmission channels, and rectangular plane waves for gathering differential fluid to an outlet are formed.
The inlets of the first sound source input throat 200 and the second sound source input throat 300 are both provided with horn unit mounting fixing discs 900 for mounting horns and achieving the purpose of convenient mounting.
The utility model has the advantages that: the utility model provides a double-flow shape same-phase planar waveguide array horn; the horn of the product adopts the latest fluid simulation industrial design, two point sound sources are changed into a rectangular planar array sound source through spherical waves, and a specially designed constant directional diffusion horn is matched, so that the loudspeaker system fully meets the requirements of high sound pressure, long range and low distortion fields that medium and low frequencies can be coupled and do not interfere with each other when multiple components are combined; the uniformity of sound field radiation in a coverage area is improved, distortion and frequency response reduction caused by phase shift caused by off-axis can be reduced, the whole field tone quality is clear and transparent, and the fidelity is obviously improved; through different array combinations, the acoustic design of the array acoustic control device enables the sound directivity level and the vertical direction to be effectively controlled to be off-axis scattering loss, the sound level difference can be controlled within-3 db, the sound field stability in a field is improved, the array acoustic control device can be divided into a plurality of specifications and installed on compression high pitch drivers with different powers.
The utility model discloses a dual drive point sound source array speaker high frequency bugle for system, parcel bugle body, two throats, many sound flow path, diffusion bugle and set up the double fluid drive cophase output structure on sound wave transmission path, the bugle body is provided with a plurality of screw holes, and the bugle body is the half cavity structure of two symmetries and connects and constitute whole bugle. The utility model discloses a two drive stream sound wave transmission structures of most recent industry many physics emulation fluid flow design become two rectangular homophase sound sources of banding to assemble to the delivery outlet through the equiphase phase path sound wave radiation of accurate design with two point sound sources, in addition the constant directional diffusion cube for the requirement of the speaker system fully provided matrix array speaker system of this number angle has been adapted: the rectangular plane radiation sound field is realized on the controllable constant beam width in the horizontal and vertical radiation directions, the sound beam focusing is realized to the maximum extent, the remote radiation capability is realized, the high-frequency interference among high-frequency sound sources when the array system module is combined is reduced, and the use requirements of a large sound pressure remote wide coverage area and a low distortion field are met.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments, and the above embodiments and descriptions are only illustrative of the principles of the present invention, and that simple modifications and substitutions by those skilled in the art are within the scope of the present invention without departing from the spirit and scope of the present invention.
Claims (10)
1. the double-flow-shape same-phase planar waveguide array horn comprises a horn body and is characterized in that the horn body comprises a first sound source input throat, a second sound source input throat and a sound source output port, a sound source diffusion channel for sound source diffusion is arranged between the first sound source input throat, the second sound source input throat and the sound source output port of the horn body, the first sound source input throat and the second sound source input throat are communicated with the sound source diffusion channel, sound wave guide blocks are respectively arranged in the first sound source input throat and the second sound source input throat, the first sound source input throat and the second sound source input throat are separated into two independent sound wave guide channels through the sound wave guide blocks, and an included angle between the first sound source input throat and the second sound source input throat is 40-50 degrees.
2. The dual-flow in-phase planar waveguide array horn of claim 1 wherein said acoustic deflector is a shuttle having ends with a thickness less than the middle thickness.
3. The dual-flow in-phase planar waveguide array horn of claim 1 wherein the first acoustic source input throat is a mirror image of the second acoustic source input throat.
4. The dual-flow in-phase planar waveguide array horn of claim 1 wherein said first acoustic source input throat and said second acoustic source input throat are separated by acoustic deflectors to form four equidistant acoustic waveguide channels.
5. The dual-flow in-phase planar waveguide array horn according to any one of claims 1 to 4, wherein the horn body is formed by two symmetrical semi-cavity shells and assembled into a whole by a plurality of screws.
6. The dual-manifold in-phase planar waveguide array horn of claim 5 wherein the source diffusing channel of the horn body has a horizontal radiating angle diffusing surface disposed at a horizontal angle to the acoustic waveguide flow channels and the source diffusing channel of the horn body has a vertical radiating angle diffusing surface disposed at a vertical angle to the acoustic waveguide flow channels.
7. The dual-flow in-phase planar waveguide array horn according to claim 1, wherein the horn body has a ring of protrusions on the outer wall of the opening of the sound source output port, and the surface of the protrusions has a plurality of symmetrically arranged grooves with equal spacing.
8. The dual-flow in-phase planar waveguide array horn according to claim 1, wherein the horn body has a plurality of reinforcing ribs arranged in a staggered manner for absorbing vibration.
9. The dual-flow in-phase planar waveguide array horn of claim 1 wherein the angle between said first acoustic source input throat and said second acoustic source input throat is 44 degrees.
10. The dual-flow in-phase planar waveguide array horn of claim 1 wherein the entrance to said first and second source input throats are provided with horn unit mounting bosses.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920705758.3U CN209806060U (en) | 2019-05-17 | 2019-05-17 | Double-flow in-phase planar waveguide array horn |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920705758.3U CN209806060U (en) | 2019-05-17 | 2019-05-17 | Double-flow in-phase planar waveguide array horn |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209806060U true CN209806060U (en) | 2019-12-17 |
Family
ID=68832811
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920705758.3U Active CN209806060U (en) | 2019-05-17 | 2019-05-17 | Double-flow in-phase planar waveguide array horn |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209806060U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113063920A (en) * | 2021-03-18 | 2021-07-02 | 北京理工大学 | Small-size variable-cross-section rectangular detonation tube with wave rectifier and optical observation window |
| CN117596518A (en) * | 2024-01-18 | 2024-02-23 | 广州市锐丰智能科技有限公司 | Asymmetric compression clarion |
-
2019
- 2019-05-17 CN CN201920705758.3U patent/CN209806060U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113063920A (en) * | 2021-03-18 | 2021-07-02 | 北京理工大学 | Small-size variable-cross-section rectangular detonation tube with wave rectifier and optical observation window |
| CN117596518A (en) * | 2024-01-18 | 2024-02-23 | 广州市锐丰智能科技有限公司 | Asymmetric compression clarion |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US6095279A (en) | Loudspeaker system | |
| US6668969B2 (en) | Manifold for a horn loudspeaker and method | |
| EP1994793B1 (en) | Sound reproduction with improved low frequency characteristics | |
| US4923031A (en) | High output loudspeaker system | |
| US4733749A (en) | High output loudspeaker for low frequency reproduction | |
| US4685532A (en) | Constant directivity loudspeaker horn | |
| US20020150270A1 (en) | Sound system having a HF horn coaxially aligned in the mouth of a midrange horn | |
| EP3135043B1 (en) | Coaxial loudspeaker apparatus | |
| EP1333698B1 (en) | Directional loudspeaker unit | |
| CN209806060U (en) | Double-flow in-phase planar waveguide array horn | |
| US5750943A (en) | Speaker array with improved phase characteristics | |
| CN111587581A (en) | Multiple acoustic waveguide for loudspeaker assembly | |
| EP1330936B1 (en) | Direct coupling of waveguide to compression driver having matching slot shaped throats | |
| CN208210263U (en) | A kind of high frequency constant beam-width point sound source Waveguide array bugle | |
| CN217063985U (en) | High-frequency constant-beam-width point sound source array waveguide horn | |
| CN214014426U (en) | Linear array sound box waveguide horn | |
| CN112544087B (en) | Speaker system with multi-planar, nested, folded horn | |
| US8259981B2 (en) | Horn-loaded acoustic line source | |
| CN221043198U (en) | Double-sound source high-pitch waveguide and horn and sound box comprising same | |
| CN213880265U (en) | Sound source coupling waveguide device and loudspeaker | |
| GB2546067A (en) | Loudspeaker | |
| CN220915404U (en) | Waveguide and horn, loudspeaker box, array and multistage array comprising same | |
| CN215682541U (en) | Constant curvature asymmetric space acoustic image localization array horn | |
| CN210899495U (en) | Ultrashort horn for sound column | |
| CN213880232U (en) | Full-frequency coaxial controllable directional loudspeaker system and loudspeaker box |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |