CN103428603B - A kind of high frequency sound wave gathering sill of angle adjustable - Google Patents
A kind of high frequency sound wave gathering sill of angle adjustable Download PDFInfo
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- CN103428603B CN103428603B CN201210152690.3A CN201210152690A CN103428603B CN 103428603 B CN103428603 B CN 103428603B CN 201210152690 A CN201210152690 A CN 201210152690A CN 103428603 B CN103428603 B CN 103428603B
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- cone core
- shell
- high frequency
- sound wave
- gathering sill
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Abstract
The invention discloses a kind of high frequency sound wave gathering sill of angle adjustable.It comprises: circular cone core; Cone core; Described cone core is cut sth. askew obtain for being carried out symmetry by a Rotary-table along its big end surface diameter, obtains 2 symmetrical half elliptics after cutting sth. askew; Described half elliptic arc end extends to the little head end of described Rotary-table; The blunt end of described cone core is with the equal diameters of the bottom surface of described circular cone core and be connected together with overlapping completely; Shell a; Shell b and 2 baffle plate; 2 baffle plates are all connected on the heavy caliber end of described shell b, and half elliptic surface location described to 2 is corresponding respectively; Be between described 2 baffle plates and described shell b and be rotatably connected.High frequency sound wave gathering sill provided by the invention can be used in linear array or conventional audio amplifier.
Description
Technical field
The present invention relates to a kind of high frequency sound wave gathering sill of angle adjustable, can be used in linear array or conventional audio amplifier, high pitch level angle can arbitrarily be adjusted; Also can be used in rectangular array audio amplifier.
Background technology
There is a kind of cylindrical acoustic horn in the market, it is that a circular cone core is wrapped in one 360 degree totally enclosed bugle shells, only have the import of a plane and the outlet of a plane, one of a circular cone core in the plane of outlet, other end is in the plane of import; Wherein, circular cone core makes with hard material, and formed after cutting sth. askew to circular cone major part symmetry, as Fig. 1, outside circular cone core, add one deck duricrust, keep certain interval between shell and core, high pitch passes through from gap.The sound that its object is used between linear array audio amplifier every high pitch is seamless spliced.
The shortcoming of existing cylindrical acoustic horn is: 1) level angle can only regulate with external bugle, and volume must strengthen; Otherwise the high-frequency range of its control angle will reduce a lot; 2) external bugle control angle scope at about 30 degree, if use the acoustic interference that just there will be sound angle and intersect in rectangular array, namely can only occur between loudspeaker that sound is cancelled out each other to minimum value; 3) minor face two ends shell surface (becoming angle with exit face) close to rectangle outlet are not opened but completely closed, sound can only export away from just front rectangle, therefore, control angle is too narrow vertically (to extend the extended line direction on the long limit of square outlet), just for the low-angle sound between every high pitch is seamless spliced and design (angle just there will be high frequency gap more than 6 degree), not handy in routine single audio amplifier.
Summary of the invention
The object of this invention is to provide a kind of high frequency sound wave gathering sill of angle adjustable, for the random adjustment of the random adjustment of linear array audio amplifier horizontal high pitch angle and rectangular array audio amplifier angle up and down.
The high frequency sound wave gathering sill of a kind of angle adjustable provided by the present invention, it comprises:
Circular cone core;
Cone core; Described cone core is cut sth. askew obtain for being carried out symmetry by a Rotary-table along its big end surface diameter, obtains 2 symmetrical half elliptics after cutting sth. askew; Described half elliptic arc end extends to the little head end of described Rotary-table; The blunt end of described cone core is with the equal diameters of the bottom surface of described circular cone core and be connected together with overlapping completely;
Shell a; Described shell a is cone cylinder body shape; Described shell a is set on described circular cone core, and the small-caliber end of described shell a and heavy caliber end are respectively to the vertex of a cone of described circular cone core with to bore the position at the end corresponding; Gap is provided with between described shell a and described circular cone core;
Shell b; Described shell b is cone cylinder body shape; Described shell b is set on described cone core; The heavy caliber end of described shell a is connected completely with the heavy caliber end of described shell b with overlapping, and the junction of this junction and described circular cone core and described cone core is positioned at same plane; Gap is provided with between described shell b and described cone core; With
2 baffle plates; Described 2 baffle plates are all connected on the heavy caliber end of described shell b, and half elliptic surface location described to 2 is corresponding respectively; Be between described 2 baffle plates and described shell b and be rotatably connected.
The high frequency sound wave gathering sill of above-mentioned angle adjustable, the cone angle of described circular cone core can be 0 ° ~ 180 °, and the round platform angle of described cone core can be 0 ° ~ 180 °.
The high frequency sound wave gathering sill of above-mentioned angle adjustable, the height of described shell b is less than 1/3rd of the height of described cone core.
The high frequency sound wave gathering sill of above-mentioned angle adjustable, the angle between the half elliptic surface of described baffle plate and described cone core is 0 ° ~ 120 °.
The high frequency sound wave gathering sill of above-mentioned angle adjustable, the height of described circular cone core can be 1mm ~ 10000mm; The height of described cone core can be 1mm ~ 10000mm.
The present invention has the following advantages:
(1) can by the change of smaller size smaller, high frequency sound wave gathering sill width (two baffle plates open rear width) is only 20 centimetres, recessed or protrude (fall in from Loudspeaker panel or protrude) maximum 10 centimetres.Reach the control of high frequency even being arrived to medium-high frequency level angle.600Hz ~ 16kHz scope is easy to reach 30 ~ 120 degree.And the external bugle control angle of a cylindrical acoustic horn just must have more than 50 centimetres, recessed or protrusion more than 30 centimetres.
(2) when the conical bottom disc diameter of circular cone core is more than 80mm; Two baffle plates open to parallel after, 5kHz can reach within 5 degree with upper frequency in direction up and down, and like this, the treble frequency of audio amplifier (rectangular array audio amplifier) can fully be superposed up and down.
Accompanying drawing explanation
Fig. 1 is the structural representation of cylindrical bugle, and wherein, Fig. 1 (a) is stereogram, and Fig. 1 (b) is front view, and Fig. 1 (c) is end view.
Fig. 2 is the front view of high frequency sound wave gathering sill provided by the invention.
Fig. 3 is the cutaway view of Fig. 2 alt bugle along A line.
Fig. 4 is the vertical view of high frequency sound wave gathering sill provided by the invention.
Fig. 5 is the structural representation of high frequency sound wave gathering sill provided by the invention when carrying out angular adjustment.
Fig. 6 is that high frequency sound wave gathering sill provided by the invention is installed and the structural representation in audio amplifier,
Fig. 7 is the structural representation of high frequency sound wave gathering sill provided by the invention when coordinating with slide rail.
Fig. 8 be high frequency sound wave gathering sill provided by the invention and audio amplifier secure fit time structural representation.
In figure, each mark is as follows: 1 circular cone core, 2 cone cores, 3 shell a, 4 shell b, 5 baffle plates, 6 half elliptic surfaces, 7 " 0 " shape outlets, 8 slide rails, 9 audio amplifiers.
Embodiment
Below in conjunction with accompanying drawing, the present invention will be further described, but the present invention is not limited to following examples.
The high frequency sound wave gathering sill of angle adjustable provided by the invention comprises circular cone core 1, cone core 2, shell a3, shell b4 and 2 baffle plate 5; The cone angle of circular cone core 1 is 20 °, and it is highly 208mm; Cone core 2 is cut sth. askew obtain for being carried out symmetry by a Rotary-table along its big end surface diameter, and the arc end that this cone core 2 has 2 symmetrical 6,2 half elliptic surfaces, half elliptic surface extends to the little head end of this Rotary-table; Bore the equal diameters of the blunt end (i.e. the rounded bottom surface of tap web) of core 2 and the bottom surface of circular cone core 1 and be connected together; The round platform angle of cone core 2 be identical with two scarf angles, is 40 °, and to bore a view of core 2 be drift angle is the isosceles triangle (as shown in Figure 4) of 40 °, and its base is 1/2 of the stub end diameter of Rotary-table, is highly 102mm; Shell a3 is cone cylinder body shape; Shell a3 is set on circular cone core a1, and the small-caliber end of shell a3 and heavy caliber end are respectively with the vertex of a cone of circular cone core 1 with to bore the position at the end corresponding; Be provided with gap between shell a3 and circular cone core 1, high pitch can enter from the osculum gap of shell a3; Shell b4 is cone cylinder body shape; Shell b4 is set on cone core 2; The heavy caliber end of shell a3 is connected with the heavy caliber end of shell b4, and this junction and circular cone core 1 are positioned at same plane with the junction of cone core 2; Be provided with gap between shell b4 and cone core 2, this gap forms " 0 " shape outlet, and the high pitch transmitted from the gap between shell a3 and circular cone core 1 enters to this " 0 " shape and exports; The height of shell b4 is 1/10th of the height of cone core 2; 2 baffle plates 5 are all hinged through the hinge on the heavy caliber end of shell b4, and corresponding to 6 positions, 2 half elliptic surfaces respectively, can make to adjust in the scope of the angle between baffle plate 5 and shell b4 between 0 ° ~ 120 °.
In the high frequency sound wave gathering sill of above-mentioned angle adjustable, the cone angle of circular cone core 1 can adjust in the scope of 0 ° ~ 180 °; The round platform angle of cone core 2 can adjust in the scope of 0 ° ~ 180 °; The height of shell b4 can be less than cone core 2 height 1/3rd scope in adjust.
High frequency sound wave gathering sill provided by the invention can be used in linear array or conventional audio amplifier.
If install two or many high frequency sound wave gathering sills provided by the invention in an audio amplifier, they should arrange according to two Way outs that two baffle plates are parallel, as shown in Figure 6; When being used in Linear array loundspeaker box, when designing every audio amplifier linear array, high frequency sound wave gathering sill in every audio amplifier all can closely get together, form the bar of a high frequency sound wave gathering sill, see Fig. 6, can find out, when not distinguishing controllable register, a side shield of the high frequency sound wave gathering sill several of the present invention in an audio amplifier can replace with one piece of baffle plate.
During use, can, according to installation one or two hard slide rails before the baffle plate of high frequency sound wave gathering sill, slide rail can be fixed in high frequency sound wave gathering sill body or sound box bodies, as shown in Figure 7; The modes such as slide rail is connected with baffle plate, using nuts are fixed; Also can remove slide rail, allow baffle plate directly be fixed in sound box bodies, as shown in Figure 8.
When high frequency sound wave gathering sill provided by the invention uses in conventional audio amplifier, in can coordinating, bass horn uses.
Claims (5)
1. a high frequency sound wave gathering sill for angle adjustable, is characterized in that: it comprises:
Circular cone core;
Cone core; Described cone core is cut sth. askew obtain for being carried out symmetry by a Rotary-table along its big end surface diameter, obtains 2 symmetrical half elliptics after cutting sth. askew; Described half elliptic arc end extends to the little head end of described Rotary-table; The blunt end of described cone core is with the equal diameters of the bottom surface of described circular cone core and be connected together with overlapping completely;
Shell a; Described shell a is cone cylinder body shape; Described shell a is set on described circular cone core, and the small-caliber end of described shell a and heavy caliber end are respectively to the vertex of a cone of described circular cone core with to bore the position at the end corresponding; Gap is provided with between described shell a and described circular cone core;
Shell b; Described shell b is cone cylinder body shape; Described shell b is set on described cone core; The heavy caliber end of described shell a is connected completely with the heavy caliber end of described shell b with overlapping, and the junction of this junction and described circular cone core and described cone core is positioned at same plane; Gap is provided with between described shell b and described cone core; With
2 baffle plates; Described 2 baffle plates are all connected on the heavy caliber end of described shell b, and half elliptic surface location described to 2 is corresponding respectively; Be between described 2 baffle plates and described shell b and be rotatably connected.
2. high frequency sound wave gathering sill according to claim 1, is characterized in that: the cone angle of described circular cone core is 0 ° ~ 180 °, and the round platform angle of described cone core is 0 ° ~ 180 °.
3. high frequency sound wave gathering sill according to claim 1 and 2, is characterized in that: the height of described shell b is less than 1/3rd of the height of described cone core.
4. high frequency sound wave gathering sill according to claim 3, is characterized in that: the angle between the half elliptic surface of described baffle plate and described cone core is 0 ° ~ 120 °.
5. high frequency sound wave gathering sill according to claim 4, is characterized in that: the height of described circular cone core is 1mm ~ 10000mm; The height of described cone core is 1mm ~ 10000mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210152690.3A CN103428603B (en) | 2012-05-16 | 2012-05-16 | A kind of high frequency sound wave gathering sill of angle adjustable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210152690.3A CN103428603B (en) | 2012-05-16 | 2012-05-16 | A kind of high frequency sound wave gathering sill of angle adjustable |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103428603A CN103428603A (en) | 2013-12-04 |
| CN103428603B true CN103428603B (en) | 2016-04-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210152690.3A Expired - Fee Related CN103428603B (en) | 2012-05-16 | 2012-05-16 | A kind of high frequency sound wave gathering sill of angle adjustable |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103686528A (en) * | 2013-12-29 | 2014-03-26 | 苏州市峰之火数码科技有限公司 | Directional energy-saving sound box |
| JP6824821B2 (en) * | 2017-05-29 | 2021-02-03 | Toa株式会社 | speaker |
| CN110577288A (en) * | 2019-09-30 | 2019-12-17 | 杭州太赫环保科技有限公司 | Terahertz phonon resonance ring |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4776428A (en) * | 1987-11-16 | 1988-10-11 | Belisle Acoustique Inc. | Sound projection system |
| US5163167A (en) * | 1988-02-29 | 1992-11-10 | Heil Acoustics | Sound wave guide |
| CN1666566A (en) * | 2002-07-09 | 2005-09-07 | 奥特兰诺塞利G&C公司 | Single and multiple reflection wave guide |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB0306415D0 (en) * | 2003-03-20 | 2003-04-23 | Andrews Anthony J | Loudspeaker array |
| FR2875367B1 (en) * | 2004-09-13 | 2006-12-15 | Acoustics Sa L | ADJUSTABLE DIRECTIVITY AUDIO SYSTEM |
-
2012
- 2012-05-16 CN CN201210152690.3A patent/CN103428603B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4776428A (en) * | 1987-11-16 | 1988-10-11 | Belisle Acoustique Inc. | Sound projection system |
| US5163167A (en) * | 1988-02-29 | 1992-11-10 | Heil Acoustics | Sound wave guide |
| CN1666566A (en) * | 2002-07-09 | 2005-09-07 | 奥特兰诺塞利G&C公司 | Single and multiple reflection wave guide |
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| CN103428603A (en) | 2013-12-04 |
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Granted publication date: 20160427 Termination date: 20190516 |
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