CN1173104A - Camber reflection loudspeaking device - Google Patents
Camber reflection loudspeaking device Download PDFInfo
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- CN1173104A CN1173104A CN 96117314 CN96117314A CN1173104A CN 1173104 A CN1173104 A CN 1173104A CN 96117314 CN96117314 CN 96117314 CN 96117314 A CN96117314 A CN 96117314A CN 1173104 A CN1173104 A CN 1173104A
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- curved surface
- reflector
- surface reflector
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- loudspeaker arrangement
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Abstract
A loudspeaker device using reflection on curved surface for stengthening radiation diffusion area better stereo effect has a loudspeaker fixed in casing and a camber reflector arranged relatively to the sound surface of loudspeaker for wide-range sector diffusion. Said camber reflector has a partial conic body formed by curve, fold lines or straight lines. Said loudspeaker can generate wide range, even 180-deg. sector radiation range. It can be used in stereo replay system for low-, middle-or high-frequency high-quality and wide-range stereo sound. Its advantages are correct location of stereo sound and high effect.
Description
The present invention relates to the loudspeaker arrangement in the electro-acoustic element.
Loud speaker is the electro-acoustic element that is converted to sound wave by electric energy, can be widely used in various stereo sets.Existing speaker unit is generally single beam of radiation, and its shortcoming is that radiation diffusion angle is little, so synthetic stereo field minor defect.As number of patent application is the speaker system of the Chinese patent television set of 95109808.X, it is on a left side, the anterior configuration of right channel loudspeaker vibrating membrane separately conducting tube, at vibrating membrane back configuration orienting reflex parts, the sound that each vibrating membrane back side is sent is distinguished forcibly to a television set left side, the reflection of right flank direction, strengthen stereophonic effect, its shortcoming is after all little many of the acoustic wave energy that sends of the vibrating membrane back side, so this enforcing reflection DeGrain, it as application number 92201627.5 Chinese patent omni-directional loud speaker, it adds on the basis of conventional loudspeakers, and the first and second two branches realize to device, its angle of radiation is 360 °, but its backward the sound wave of radiation generally absorbed by sound-absorbing material or through one the reflection just reach hearer's ear, so can cause the loss of nearly half-power energy.
The object of the invention is to provide the camber reflection loudspeaking device that uses in the stereo reproducing system that a kind of radiation diffusion zone is wide, conversion efficiency is high, acoustic wave energy distributes relatively evenly, the secondary reflection composition is few.
Technical scheme of the present invention is achieved in that it is provided with the loud speaker that it is connected in the loud speaker case, its sounding corresponding position particularly in loud speaker is connected with the curved surface reflector with the fan-shaped diffusion in wide territory, the part cone that curved or broken line of this reflector or straight line form.
Curved surface reflector the best of the above-mentioned fan-shaped diffusion in wide territory is the curved surface reflector of 180 ° of fan-shaped diffusions, the semicircle cone that curved or broken line of this curved surface reflector or straight line form; Above-mentioned curve can be circular arc, logarithmic curve, exponential curve, parabola, hyperbola, ellipse garden line, involute or special-shaped curve; Above-mentioned curved surface reflector, its surface can be Shamian Island, corner angle face, convex-concave point face, wavy surface, flank.
Above-mentioned loud speaker can connect a curved surface reflector with the fan-shaped diffusion in wide territory by converting pipe, this curved surface reflector curved or broken line or straight line formation part cone.Curved surface reflector the best of the above-mentioned fan-shaped diffusion in wide territory is the semicircle cone of 180 ° of fan-shaped diffusions, the semicircle cone that curved or broken line of this curved surface reflector or straight line form.Above-mentioned curve can be circular arc, logarithmic curve, exponential curve, parabola, hyperbola, ellipse garden line, involute or special-shaped curve.Above-mentioned curved surface reflector, its surface can be Shamian Island, corner angle face, convex-concave point face, wavy surface or flank.Above-mentioned mouth of pipe cross section, converting pipe upper end is circular or oval, the lower end pipe.Mouth is semicircle or half elliptic, and the lower end mouth of pipe is semicircle or half elliptic, and its two ends orifice area is equal substantially.In the middle of above-mentioned converting pipe and the curved surface reflector air deflector can be installed, this air deflector contains 2～9 flow deflectors, on the uniform curved surface reflector part cone outer surface, and with the bracing ring reinforcement that connects flow deflector.
Above-mentioned curved surface reflector can be two, and one is the negative camber reflector, its top directional loudspeaker sounding face oppositely, away from loud speaker be the positive camber reflector, its top directional loudspeaker sounding face, two curved surface reflectors are by the continuous one of transition face.Curved surface reflector the best of the above-mentioned fan-shaped diffusion in wide territory is the curved surface reflector of 180 ° of fan-shaped diffusions, the semicircle cone that curved or broken line of this curved surface reflector or straight line form.Above-mentioned curve can be circular arc, logarithmic curve, exponential curve, parabola, hyperbola, ellipse, involute or special-shaped curve.Above-mentioned curved surface reflector, its surface can be Shamian Island, corner angle face, convex-concave point face, wavy surface or flank.Above-mentioned negative camber reflector, positive camber reflector, loud speaker three's central axis can overlap mutually or be the center with the loud speaker axis, and inside and outside curved surface reflector is on same transition face.
Above-mentioned curved surface reflector can be the compound curved surface reflector of the part cone composition of several curves or broken line or straight line formation.Preferable is two compound curved surface reflectors that above-mentioned part cone is formed.Above-mentioned curve can be circular arc, logarithmic curve, exponential curve, parabola, hyperbola, ellipse, involute or special-shaped curve.Above-mentioned compound curved surface reflector, its surface can be Shamian Island, corner angle face, convex-concave point face, wavy surface or flank.
Description of drawings:
Fig. 1. a kind of structural representation of the present invention;
Fig. 2. be the STRUCTURE DECOMPOSITION figure of Fig. 1;
Fig. 3. be second kind of structural representation of the present invention;
Fig. 4. be the STRUCTURE DECOMPOSITION figure of Fig. 3;
Fig. 5. be another kind of structural representation of the present invention;
Fig. 6. be the STRUCTURE DECOMPOSITION figure of Fig. 5;
Fig. 7. be another structural representation of the present invention;
Fig. 8. be the STRUCTURE DECOMPOSITION figure of Fig. 7.
Below in conjunction with description of drawings embodiments of the invention and most preferred embodiment are described further.
Shown in Fig. 1～2, be a kind of embodiment of the present invention, it mainly is made up of loud speaker case (1), loud speaker (2), curved surface reflector (3), loud speaker case (1) is screwed with loud speaker (2), it is screwed with curved surface reflector (3) again simultaneously, and curved surface reflector (3) is Yi Bian the edge also leaves the reservation location hole that is connected and fixed on audio amplifier.This curved surface reflector can be made the part cone that curve, broken line or straight line form, and curve can be circular arc, logarithmic curve, exponential curve, parabola, hyperbola, ellipse or involute even as the special-shaped curve of wave, threaded line and so on.Be preferably the semicircle cone, the enforcing reflection diffusion effect is better like this, the best 180 ° of semicircle cones that form of rotating for straight line, whole curved surface reflector adopts metal or non-metallic material, can use die casting, casting, injection moulding global formation on the technology, Shamian Island, corner angle face, convex-concave point face, wavy surface or flank etc. can be made in its surface.
Shown in Fig. 3～4, be second kind of embodiment of the present invention, it is mainly by loud speaker case (1), loud speaker (2), the compound curved surface reflector is formed, loud speaker case (1) is screwed with loud speaker (2), a compound curved surface reflector is fixed at loud speaker (2) sounding face place accordingly simultaneously, the compound curved surface reflector that its part cone that can be several curves or broken line or straight line formation is formed, be preferably the compound curved surface reflector that two above-mentioned part cones are formed, curve can be the garden arc, logarithmic curve, exponential curve, parabola, hyperbola, ellipse or involute, even as wave, the special-shaped curve of threaded line and so on.Be preferably the cone that two 180 ° of semicircle cones are formed, whole compound curved surface reflector adopts metal or non-metallic material, can use die casting, casting, injection moulding global formation on the technology, Shamian Island, corner angle face, convex-concave point face, wavy surface or flank etc. can be made in its surface.
Shown in Fig. 5～6, be another kind of embodiment of the present invention, it is mainly by the loud speaker case, loud speaker (2), converting pipe (7), curved surface reflector (10), audio amplifier (6) are formed in the loud speaker case fixedly loud speaker (2), it is connected this converting pipe (7) other end connection curved surface reflector (10) with a converting pipe (7) one ends again simultaneously.Converting pipe (7) one ends are made the circular or oval of same loud speaker (2) sounding face coupling, and the other end mouth of pipe is semicircle or half elliptic or garden, an ellipse garden part, and two end mouth of pipe sectional areas are equal substantially.Corresponding curved surface reflector is that curve, broken line or straight line form the part cone simultaneously, or semicircle cone, curve can be garden arc, logarithmic curve, exponential curve, parabola, hyperbola, ellipse or involute, even special-shaped curve such as wave, threaded line etc.Best semicircle cone for straight line formation can reach 180 ° of fan-shaped diffusions.In order further the sound wave air-flow to be got the even effect of water conservancy diversion, can between converting pipe (7) and curved surface reflector (10), air deflector (8) be installed, this air deflector contains 2～9 flow deflectors (9), be preferably 9, perpendicular to horizontal plane, on uniform curved surface reflector (10) the part cone outer surface, and strengthen with the bracing ring (11) that connects flow deflector.Above-mentioned loud speaker case, converting pipe, curved surface reflector and air deflector can adopt metal or nonmetallic materials through process moulding such as die casting, pouring, injection mouldings, and its surface can be Shamian Island, corner angle face, convex-concave point face, wavy surface or flank etc.
Shown in Fig. 7～8, be another embodiment scheme of the present invention, it mainly is made up of loud speaker case (1), loud speaker (2), two curved surface reflectors, loud speaker case (1) is screwed with loud speaker (2), be connected and fixed with negative camber reflector (3) again simultaneously, have the reservation location hole that connects audio amplifier on the positive camber reflector (5).The direction of its top directional loudspeaker sounding face of negative camber reflector (3), positive camber reflector (5) top directional loudspeaker sounding face, two curved surface reflectors are connected as a body by transition face (4).Adopt the die casting of metal or non-metallic material, casting, injection moulding moulding, its surface can be Shamian Island, corner angle face, convex-concave point face, wavy surface or flank etc.This curved surface reflector is the part cone that curve, broken line or straight line form.Be preferably the semicircle cone that reaches 180 ° of fan-shaped diffusions.Curve can be circular arc, logarithmic curve, exponential curve, parabola, hyperbola, ellipse or involute, even can overlap or be the center with the loud speaker axis as special-shaped curve negative camber reflectors (3) such as wave, threaded line, positive camber reflector (5), loud speaker (2) three's central axis, inside and outside curved surface reflector is on the same transition face.When semicircle cone that inside and outside curve reflector is 180 ° of fan-shaped diffusions, when if its three deads in line are on the same transition face, acoustic irradiation intensity in 180 ° of zones equates, when positive camber reflector (5) is on the transition face of the left side if negative camber reflector (3) axis is in loud speaker the right, You Bian acoustic irradiation intensity is just big so, and the left side is littler, otherwise the acoustic irradiation intensity on the left side more greatly, the right is littler, and visual user needs design.When the loud speaker sounding, the acoustic irradiation of first half is by the male cone (strobilus masculinus) reflection of positive camber reflector (5), 180 ° of sector region radiation diffusions forwards, latter half of acoustic irradiation is by the inner surface reflection of negative camber reflector (3), the diffusion of 180 ° of sector region radiation equally forwards, thus the sound wave of whole loud speaker intactly is radiated in 180 ° the sector region.When forming wide regional stereophonic reproducing system jointly, can in big zone, can obtain accurate stereophonic effect, the stereophonic reproducing system that apparatus of the present invention are suitable for audio frequency when being basic, normal, high by this kind loudspeaker arrangement more than two
So the present invention compares with known technology, because the acoustic irradiation angle is 180 ° of fan-shaped area radiation, So the secondary reflection composition is few, acoustic irradiation is relatively even, and the conversion efficiency height is forming stereo reproducing system The time, reach fine stereophonic audition effect in the more roomy zone, be fit to the high-quality of basic, normal, high frequency The stereo reproducing system in wide zone.
Claims (19)
1. loudspeaker arrangement, in loud speaker case (1), be provided with its loud speaker that is connected (2), the sounding corresponding position that it is characterized in that described loud speaker is connected with the curved surface reflector with the fan-shaped diffusion in wide territory, this reflector curved or broken line or straight line formation part cone.
2. loudspeaker arrangement as claimed in claim 1, the curved surface reflector the best that it is characterized in that the described fan-shaped diffusion in wide territory is the curved surface reflector of 180 ° of fan-shaped diffusions, the semicircle cone that curved or broken line of this curved surface reflector or straight line form.
3. loudspeaker arrangement as claimed in claim 1 or 2 is characterized in that described curve can be circular arc, logarithmic curve, exponential curve, parabola, hyperbola, ellipse garden line, involute or special-shaped curve.
4. loudspeaker arrangement as claimed in claim 1 is characterized in that described curved surface reflector, and its surface can be Shamian Island, corner angle face, convex-concave point face, wavy surface or flank.
5. loudspeaker arrangement as claimed in claim 1 is characterized in that described loud speaker (2) can connect the curved surface reflector with the fan-shaped diffusion in wide territory by converting pipe (7), this curved surface reflector curved or broken line or straight line formation part cone.
6. loudspeaker arrangement as claimed in claim 5 is characterized in that described curved surface reflector the best is the curved surface reflector of 180 ° of fan-shaped diffusions, the semicircle cone that curved or broken line of this curved surface reflector or straight line form.
7. as claim 5 or 6 described loudspeaker arrangements, it is characterized in that described curve can be circular arc, logarithmic curve, exponential curve, parabola, hyperbola, ellipse garden line, involute or special-shaped curve.
8. loudspeaker arrangement as claimed in claim 5 is characterized in that described curved surface reflector, and its surface can be Shamian Island, corner angle face, convex-concave point face, wavy surface or flank.
9. loudspeaker arrangement as claimed in claim 5 is characterized in that mouth of pipe cross section, described converting pipe (7) upper end for circular or oval, and the lower end mouth of pipe is semicircle or half elliptic, and its two ends orifice area is equal substantially.
10. loudspeaker arrangement as claimed in claim 5, it is characterized in that in the middle of described converting pipe (7) and the curved surface reflector air deflector (8) being installed, this air deflector (8) contains 2～9 flow deflectors (9), on the uniform curved surface reflector part cone outer surface, and strengthen with the bracing ring (11) that connects flow deflector (9).
11. loudspeaker arrangement as claimed in claim 1, it is characterized in that described curved surface reflector can be two, a negative camber reflector (3), the direction of its top directional loudspeaker sounding face, away from loud speaker is positive camber reflector (5), its top directional loudspeaker sounding face, two curved surface reflectors are by the continuous one of transition face (4).
12. loudspeaker arrangement as claimed in claim 11 is characterized in that described curved surface reflector the best is the curved surface reflector of 180 ° of fan-shaped diffusions, the semicircle cone that curved or broken line of this curved surface reflector or straight line form.
13., it is characterized in that described curve can be circular arc, logarithmic curve, exponential curve, parabola, hyperbola, ellipse, involute or special-shaped curve as claim 11 or 12 described loudspeaker arrangements.
14. loudspeaker arrangement as claimed in claim 11 is characterized in that described curved surface reflector, its surface can be Shamian Island, corner angle face, convex-concave point face, wavy surface or flank.
15. loudspeaker arrangement as claimed in claim 11, it is characterized in that described negative camber reflector (3), positive camber reflector (5), loud speaker (2) three's central axis can overlap mutually or be the center with the loud speaker axis, and inside and outside curved surface reflector is on same transition face.
16. loudspeaker arrangement as claimed in claim 1 is characterized in that described curved surface reflector can be the compound curved surface reflector of several curves or broken line or straight line or part cone composition.
17. loudspeaker arrangement as claimed in claim 16 is characterized in that described curved surface reflector is preferably the compound curved surface reflector of the part cone composition of two curves or broken line or straight line formation.
18. loudspeaker arrangement as claimed in claim 17 is characterized in that described curve can be circular arc, logarithmic curve, exponential curve, parabola, hyperbola, ellipse, involute or special-shaped curve.
19. as claim 16 or 17 described loudspeaker arrangements, it is characterized in that described compound curved surface reflector, its surface can be Shamian Island, corner angle face, convex-concave point face, wavy surface or flank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN96117314A CN1059538C (en) | 1996-01-25 | 1996-12-02 | Camber reflection loudspeaking device |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN96102624.3 | 1996-01-25 | ||
| CN96102624A CN1041047C (en) | 1996-01-25 | 1996-01-25 | Loud-speaker device with 180 deg. sector radiation |
| CN96117314A CN1059538C (en) | 1996-01-25 | 1996-12-02 | Camber reflection loudspeaking device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1173104A true CN1173104A (en) | 1998-02-11 |
| CN1059538C CN1059538C (en) | 2000-12-13 |
Family
ID=25743944
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN96117314A Expired - Fee Related CN1059538C (en) | 1996-01-25 | 1996-12-02 | Camber reflection loudspeaking device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1059538C (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106688244A (en) * | 2014-09-24 | 2017-05-17 | 杜比实验室特许公司 | Overhead speaker system |
| CN112492470A (en) * | 2019-09-11 | 2021-03-12 | 北京新能源汽车股份有限公司 | Loudspeaker and automobile |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2125219U (en) * | 1992-01-22 | 1992-12-16 | 廖华 | Full direction loudspeaker |
| DE659030T1 (en) * | 1993-12-16 | 1996-01-04 | Toshiba Kawasaki Kk | Speaker system for television sets. |
-
1996
- 1996-12-02 CN CN96117314A patent/CN1059538C/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106688244A (en) * | 2014-09-24 | 2017-05-17 | 杜比实验室特许公司 | Overhead speaker system |
| CN112492470A (en) * | 2019-09-11 | 2021-03-12 | 北京新能源汽车股份有限公司 | Loudspeaker and automobile |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1059538C (en) | 2000-12-13 |
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