CN2263428Y - 180 degree wide range radiation loundspeaker box - Google Patents
180 degree wide range radiation loundspeaker box Download PDFInfo
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- CN2263428Y CN2263428Y CN 96203820 CN96203820U CN2263428Y CN 2263428 Y CN2263428 Y CN 2263428Y CN 96203820 CN96203820 CN 96203820 CN 96203820 U CN96203820 U CN 96203820U CN 2263428 Y CN2263428 Y CN 2263428Y
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- high sound
- reflector
- loud speaker
- half cone
- bass
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Abstract
The utility model discloses a 180 DEG wide range radiation loudspeaker box. The utility model comprises three schemes which are respectively a scheme of a loudspeaker apparatus with a middle pitch and a high pitch, a scheme of a loudspeaker apparatus with a bass, or a scheme of a simultaneous loudspeaker apparatuses of a loudspeaker apparatus with the middle pitch and the high pitch and the loudspeaker apparatus of the bass. Because a reflector with double semicone composed of the loudspeaker apparatus with middle pitch and a high pitch and a semicone leading radiator composed of the loudspeaker apparatus of the bass have fan-shaped radiation range of 180 DEG, the secondary reflection has small component, and the distribution of acoustic radiation is relatively uniform; when a stereo replay system with high quality and wide range composed of the middle pitch and the high pitch or the bass is formed, the sound image position is accurate, and thus, the best stereo listening effect is reached.
Description
The utility model relates to the loudspeaker acoustic enclosure structure in the stereo set.
Loudspeaker acoustic enclosure is the stereo set that is converted to sound wave by electric energy, existing loudspeaker acoustic enclosure divides by its angle of radiation two kinds usually, a kind of is the single beam of radiation loud speaker, its angle of radiation is little, the acoustic radiation angular distribution is extremely inhomogeneous, and when founding part sound playback system with this loudspeaker acoustic enclosure composition, the stereo field of being synthesized is very little, and cause the variation of stereo sound image position along with the variation of listening the hearer position, can not reappear stereophonic effect in high quality.Another kind is the loud speaker of isotropic directivity, as application number 92201627.5 " omni-directional loud speaker ", the first and second two branches of processing are to device on the basis of conventional loudspeakers, its angle of radiation is 360 °, acoustic radiation is an annular spread, when forming stereo reproducing system with this loudspeaker arrangement, its backward the sound wave of radiation behind secondary reflection, arrive when listening the hearer, can make stereo sound image produce the sense of hearing of location ambiguity, if absorb the sound wave of radiation backward with sound-absorbing material, though can suppress the part secondary reflection, can cause the closely acoustical power loss of half.
Task of the present utility model be to avoid the defective of prior art and provide a kind of radiation areas be 180 °, acoustic radiation distributes relatively evenly, conversion efficiency is high, the secondary reflection composition is very little, the loudspeaker acoustic enclosure of acoustic image accurate positioning when forming stereo reproducing system.
The utility model is achieved in that a kind of is to be provided with the middle and high sound loud speaker that is fixed with one with it and the combination of middle and high sound reflector in sound box, described middle and high sound reflector is the middle and high sound double semicone reflectors with 180 ° of fan beam zones, wherein close middle and high sound loud speaker is interior half cone reflector, and the awl point points to the opposite direction of middle and high sound loud speaker sounding face; Away from middle and high sound loud speaker be outer half cone reflector, awl point points to middle and high sound loud speaker sounding face, two half cone reflectors are by the transition face one that links to each other; Middle and high sound reflector is connected with middle and high sound respectively and guides half dish.
Another kind is to be provided with the woofer that is connected with it and the combination of bass radiator in sound box, described bass radiator is the bass half cone guiding radiator with 180 ° of fan beam zones, form with the half cone air deflector that is connected converting pipe by the converting pipe that connects woofer, and be provided with the maze partition plates of the vertical placement that is connected with sound box in the inboard of woofer.
Also having a kind of is to be provided with middle and high sound loud speaker and the combination of middle and high sound reflector and the combination of woofer and bass radiator that is connected with it in sound box simultaneously, and described middle and high sound reflector is the middle and high sound double semicone reflectors with 180 ° of fan beam zones; The bass radiator is the bass half cone guiding radiator with 180 ° of fan beam zones; And be provided with the cage of the vertical placement that is connected with sound box in the inboard of middle and high sound loud speaker, be provided with the maze partition plates of the vertical placement that is connected with sound box in the woofer inboard.
The utility model is because the acoustic radiation angle of middle and high sound reflector and bass radiator is fan-shaped 180 ° of area radiation, so the secondary reflection composition is minimum, acoustic radiation distributes even relatively, conversion efficiency improves greatly, make the acoustic radiation of loudspeaker acoustic enclosure have the zone of broad, acoustic image accurate positioning when forming stereo reproducing system, thus reach the best stereo effect of listening to, can be respectively applied for the wide regional stereophonic reproducing system of high-quality of middle and high sound or bass.
Description of drawings.
Fig. 1 is the structural representation with middle and high sound loud speaker and middle and high sound reflector combination and woofer and the combination of bass radiator.
Fig. 2 is the A-A cutaway view of Fig. 1.
Fig. 3 is middle and high sound double semicone reflectors stereogram.
Fig. 4 is bass half cone guiding radiator stereogram.
In conjunction with above-mentioned accompanying drawing embodiment the utility model is further elaborated.
180 ° wide territory radiation loudspeaker acoustic enclosures have three kinds of embodiments.
The 1st kind of scheme is the 180 ° wide territory radiation loudspeaker acoustic enclosures (seeing Fig. 1-3 for details) with middle and high sound loudspeaker arrangement, guides half dish (5), (6) etc. by sound box (1), middle and high sound loud speaker (9), (7), middle and high sound reflector, middle and high sound and forms.Promptly in sound box, be provided with the middle and high sound loud speaker that is connected with its screw and the combination of middle and high sound reflector, middle and high sound reflector by shape be partial sphere planar, work the middle and high sound that helps the sound effect and guide half dish and be connected, the sounding face of middle and high sound loud speaker is vertically downward.Described middle and high sound reflector is middle and high sound double semicone reflectors (3), (2) with 180 ° of fan beam zones, it is an interior half cone reflector (12) near middle and high sound loud speaker, the awl point downwards, promptly point to the opposite direction of middle and high sound loud speaker sounding face, inner conical surface is latter half of corresponding with middle and high sound loud speaker sounding face; Away from middle and high sound loud speaker be outer half cone reflector (14), awl point upwards promptly points to middle and high sound loud speaker sounding face direction, male cone (strobilus masculinus) is corresponding with middle and high sound loud speaker sounding face first half; Two inside and outside awl reflectors connect one by intermediate transition surface (13), adopt metal or non-metallic material, on the technology with die casting, casting, injection moulding global formation.
Interior half cone reflector (12), outer half cone reflector (14), middle and high sound loud speaker (9), (7) three's central axis can overlap mutually or be the center with middle and high sound loud speaker axis, inside and outside half cone reflector axis separation both sides are also in parallel, and all must be on the same transition face (13).When the mutual coincidence of three axis was on the same transition face, the acoustic radiation intensity in 180 ° of zones equated; When interior half cone reflector axis is in middle and high sound loud speaker axis the right and outer half cone reflector when being in the axis left side, You Bian acoustic radiation intensity is with regard to greatly so, and the left side is littler, otherwise, the acoustic radiation intensity on the left side more greatly, the right is littler, visual user need the design.
In the middle of, during the high pitch loudspeaker sounding, the acoustic radiation of first half is by the male cone (strobilus masculinus) reflection of half cone reflector outside the bottom, 180 ° of sector region radiation forwards, latter half of acoustic radiation is by the inner conical surface reflection of half cone reflector in the top, 180 ° of sector region radiation equally forwards, thus the sound wave of whole middle and high sound loud speaker intactly is radiated in 180 ° the sector region.When forming wide regional stereophonic reproducing system jointly by the middle and high sound loudspeaker acoustic enclosure more than two, can obtain stereo sound image location accurately in big zone, forming audio frequency is the stereophonic reproducing system of middle and high sound.
The 2nd kind of scheme is the 180 ° wide territory radiation loudspeaker acoustic enclosures (seeing Fig. 1-2, Fig. 4 for details) with bass loudspeaker arrangement, is made up of sound box (1), woofer (11), bass radiator, maze partition plates (10) etc.Promptly be provided with the woofer that is connected with its screw and the combination of bass radiator in sound box, the inboard of woofer is provided with the maze partition plates with the vertical placement of sound box screw, and the sounding face of woofer equally vertically downward.Described bass radiator is the bass half cone guiding radiator (4) with 180 ° of fan beam zones, and it is made up of with the half cone air deflector (16) that is connected converting pipe the converting pipe (15) that connects woofer.
The mouth of pipe cross section, upper end of converting pipe (15) is circular or oval, and is matchedly connected with the bottom surface homalographic of woofer.Mouth of pipe cross section, lower end is semicircle, and two ends mouth of pipe sectional area is equal substantially.
Half cone air deflector (16) by awl point point to the hemicone (18) of woofer, the bracing ring (19) that evenly is connected in the flow deflector (17) on the hemicone male cone (strobilus masculinus) and connects flow deflector forms, three's available metal or non-metallic material are through process global formations such as die casting, casting, injection mouldings.Flow deflector is sharp to boring uniform radially 2～9 of the end from the hemicone awl, and it is vertical with horizontal plane, the upper top of flow deflector at grade, reinforce by bracing ring, on the one hand supporting deformation Guan Bingyu its fix, and more important role has been that water conservancy diversion all-bottom sound radiation air-flow makes and has obtained more uniform water conservancy diversion effect on the other hand.
When loud speaker sounding audio-frequency during near bass, the acoustic radiation air-flow is through the acoustic radiation cross sectional shape conversion of converting pipe, and the acoustic radiation of woofer is transformed into semicircle acoustic beam, again by the half cone air deflector equably to 180 ° of sector region radiative acoustic waves.During wide regional stereophonic reproducing system when becoming audio frequency to be bass, can obtain stereo sound image location accurately in big zone equally by 180 ° of fan beam loudspeaker acoustic enclosure mutual group more than two.
The 3rd kind of scheme is not only to have had middle and high sound loudspeaker arrangement but also had in the sound box (1) of 180 ° wide territory radiation loudspeaker acoustic enclosures (seeing Fig. 1-4 for details) of bass loudspeaker arrangement to be provided with the combination of the middle and high sound loud speaker (9), (7) and the middle and high sound reflector that are connected with its screw and the combination of woofer (11) and bass radiator simultaneously, and be provided with cage (8) with the vertical placement of casing screw in the inboard of middle and high sound loud speaker, isolate the interference of bass audio frequencies centering, high pitch.The inboard of woofer is provided with the maze partition plates (10) with the vertical placement of casing screw, and purpose is to play low frequency to help the sound effect.During the compound one of middle and high, low loudspeaker arrangement, in whole audio frequency range, can obtain uniform 180 ° wide territory acoustic radiation effects.
Sound box of the present utility model can be composited with the gluing of polylith synthetic plate.Squawker, high pitch loudspeaker, woofer are buied by commercially available.Middle pitch double semicone reflectors and high pitch double semicone reflectors, middle pitch are guided half dish and high pitch and are guided half dish structure same size and vary in size.Earlier Squawker and middle pitch reflector, high pitch loudspeaker and high pitch reflector, woofer and bass radiator are fixed with sound box after with the fastening combination of screw more one by one during assembling.
Claims (8)
1. 180 ° wide territory radiation loudspeaker acoustic enclosures are provided with the combination of the middle and high sound loud speaker (9), (7) and the middle and high sound reflector that are fixed with one with it in sound box (1), it is characterized in that:
A. described middle and high sound reflector is middle and high sound double semicone reflectors (3), (2) with 180 ° of fan beam zones, wherein close middle and high sound loud speaker is interior half cone reflector (12), and the awl point points to the opposite direction of middle and high sound loud speaker sounding face; Away from middle and high sound loud speaker be outer half cone reflector (14), awl point points to middle and high sound loud speaker sounding face, two half cone reflectors are by transition face (13) one that links to each other;
B. be connected with middle and high sound on the middle and high sound reflector respectively and guide half dish (5), (6).
2. 180 ° wide territory radiation loudspeaker acoustic enclosures as claimed in claim 1, half cone reflector (12), outer half cone reflector (14), middle and high sound loud speaker (9), (7) three's central axis can overlap mutually or is the center with middle and high sound loud speaker axis in it is characterized in that, inside and outside half cone reflector axis separation both sides are also in parallel, and all must be on the same transition face (13).
3. 180 ° wide territory radiation loudspeaker acoustic enclosures as claimed in claim 1, it is characterized in that middle and high sound guide half dish (5), (6) to be shaped as partial sphere planar.
4. 180 ° wide territory radiation loudspeaker acoustic enclosures are provided with the woofer (11) that is fixed with one with it and the combination of bass radiator in sound box (1), it is characterized in that:
A. described bass radiator is the bass half cone guiding radiator (4) with 180 ° of fan beam zones, is made up of with the half cone air deflector (16) that is connected converting pipe the converting pipe (15) that connects woofer;
B. be provided with the maze partition plates (10) of the vertical placement that is connected with sound box in the inboard of woofer.
5. 180 ° wide territory radiation loudspeaker acoustic enclosures as claimed in claim 4, it is characterized in that mouth of pipe cross section, described converting pipe (15) upper end is for circular or oval, be matchedly connected with woofer, mouth of pipe cross section, lower end is semicircle, be matchedly connected with the half cone air deflector, and two ends mouth of pipe sectional area is equal substantially.
6. as claim 4 or 5 described 180 ° wide territory radiation loudspeaker acoustic enclosures, it is characterized in that described half cone air deflector (16) by the awl point point to the hemicone (18) of woofer, the bracing ring (19) that evenly is connected in the flow deflector (17) on the hemicone male cone (strobilus masculinus) and connects flow deflector forms.
7. 180 ° wide territory radiation loudspeaker acoustic enclosures as claimed in claim 6 is characterized in that described flow deflector (17) is sharp to boring uniform radially 2～9 of the end from the hemicone awl.
8. 180 ° wide territory radiation loudspeaker acoustic enclosures, in sound box (1), be provided with the combination of the middle and high sound loud speaker (9), (7) and the middle and high sound reflector that are connected with it and the combination of woofer (11) and bass radiator simultaneously, it is characterized in that described middle and high sound reflector is middle and high sound double semicone reflectors (3), (2) with 180 ° of fan beam zones; The bass radiator is the bass half cone guiding radiator (4) with 180 ° of fan beam zones; And be provided with the cage of the vertical placement that is connected with sound box in the inboard of middle and high sound loud speaker, be provided with the maze partition plates of the vertical placement that is connected with sound box in the inboard of woofer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 96203820 CN2263428Y (en) | 1996-02-01 | 1996-02-01 | 180 degree wide range radiation loundspeaker box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 96203820 CN2263428Y (en) | 1996-02-01 | 1996-02-01 | 180 degree wide range radiation loundspeaker box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2263428Y true CN2263428Y (en) | 1997-09-24 |
Family
ID=33889295
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 96203820 Expired - Fee Related CN2263428Y (en) | 1996-02-01 | 1996-02-01 | 180 degree wide range radiation loundspeaker box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2263428Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106658279A (en) * | 2017-01-05 | 2017-05-10 | 联想(北京)有限公司 | Electronic device |
-
1996
- 1996-02-01 CN CN 96203820 patent/CN2263428Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106658279A (en) * | 2017-01-05 | 2017-05-10 | 联想(北京)有限公司 | Electronic device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |