阅读说明：本技术 一种音乐厅可调混响反声板 (Adjustable reverberation sound reflecting board of concert hall ) 是由 谭泽斌 陈孟辉 黄水兰 易辉 程平 肖光 于 2021-08-18 设计创作，主要内容包括：本申请涉及一种音乐厅可调混响反声板,其包括第一内环,第一内环由多个五边形的板相互抵接着绕圆周等距阵列而成,第一内环的外周设置有第二内环,第二内环由四棱锥体的板沿着第一内环的外周等距阵列而成,第二内环的外周设置有第一外环,第一外环由四棱锥体的板沿着第二内环的外周等距阵列而成,第一外环上四棱锥体的边与第二内环上四棱锥体的边抵接,第一外环的外周设置有第二外环,第二外环由四棱锥体的板沿着第一外环的外周等距阵列而成,第二外环的四棱锥体与第一外环的四棱锥体的边抵接,第二外环四棱锥体顶点背离第一内环的一侧设置有进行反声的反声组件。本申请具有反声板观赏性能好、容易与音乐厅的环境进行视觉匹配的效果。(The utility model relates to an adjustable reverberation anti-sound board in concert hall, it includes first inner ring, first inner ring is formed around circumference equidistance array after being supported each other by the board of a plurality of pentagons, the periphery of first inner ring is provided with the second inner ring, the second inner ring is formed along the periphery equidistance array of first inner ring by the board of four pyramids, the periphery of second inner ring is provided with first outer ring, first outer ring is formed along the periphery equidistance array of second inner ring by the board of four pyramids, the limit of four pyramids on the first outer ring and the limit butt of four pyramids on the second inner ring, the periphery of first outer ring is provided with the second outer ring, the second outer ring is formed along the periphery equidistance array of first outer ring by the board of four pyramids, the four pyramids of second outer ring and the limit butt of the four pyramids of first outer ring, the one side that the four pyramids summits of second outer ring deviates from first inner ring is provided with the anti-sound subassembly that carries out anti-sound. The application has the effect that the anti-sound board has good ornamental performance and is easily matched with the environment of a concert hall in a visual mode.)

1. An adjustable reverberation baffle for a concert hall, comprising: comprises a first inner ring (31), the first inner ring (31) is formed by mutually abutting a plurality of pentagonal plates and equidistantly arrayed around the circumference, the inner periphery of the first inner ring (31) is formed by equidistantly arraying the bottom edges of a plurality of pentagonal plates, a second inner ring (32) is arranged on the outer periphery of the first inner ring (31), the second inner ring (32) is formed by equidistantly arraying four-pyramid plates along the outer periphery of the first inner ring (31), a first outer ring (33) is arranged on the outer periphery of the second inner ring (32), a first outer ring (33) is formed by equidistantly arraying four-pyramid plates along the outer periphery of the second inner ring (32), the edges of the four-pyramid bodies on the first outer ring (33) are abutted against the edges of the four-pyramid bodies on the second inner ring (32), the vertexes of the four-pyramid bodies on the first outer ring (33) and the vertexes on the second inner ring (32) are positioned on the same side of the first inner ring (31), and a second outer ring (34) is arranged on the outer periphery of the first outer ring (33), the second outer ring (34) is formed by the periphery equidistance array of the board of four pyramids along first outer ring (33), the four pyramids of second outer ring (34) and the limit butt of the four pyramids of first outer ring (33), the summit of the four pyramids of second outer ring (34) and the summit of the four pyramids of first outer ring (33) are located the homonymy of first inner ring (31), one side that the four pyramids of second outer ring (34) summit deviates from first inner ring (31) is provided with anti-sound subassembly (7) that carry out anti-sound.

2. The concert hall tunable reverberation baffle of claim 1, wherein: one side that first inner ring (31) deviates from anti-sound subassembly (7) is provided with support skeleton (2), and support skeleton (2) constitute by the tensile board mutual fixed connection of going out in edge of first inner ring (31), second inner ring (32), first outer ring (33) and second outer ring (34), support skeleton (2) and first inner ring (31), second inner ring (32), first outer ring (33) and the equal fixed connection of second outer ring (34).

3. A concert hall tunable reverberation baffle as claimed in claim 2, wherein: one side of the supporting framework (2) departing from the first inner ring (31) is provided with a reinforced outer ring frame (11), the reinforced outer ring frame (11) is of a circular annular structure, a first reinforcing rod (14) is fixedly arranged on the reinforced outer ring frame (11), and one end of the first reinforcing rod (14) departing from the reinforced outer ring frame (11) is fixedly connected with the supporting framework (2) at the junction of a quadrangular cone located at the second outer ring (34), a quadrangular cone located at the first outer ring (33) and a quadrangular cone located at the second inner ring (32).

4. A concert hall tunable reverberation baffle as claimed in claim 3, wherein: the first reinforcing rod (14) is obliquely arranged in the following direction: the reinforcing outer ring frame (11) is inclined toward the first inner ring (31) in the direction of the supporting framework (2).

5. The concert hall tunable reverberation baffle of claim 4, wherein: the inner circumference of the reinforcing outer ring frame (11) is provided with a reinforcing inner ring frame (12), the reinforcing inner ring frame (12) is arranged in a circular manner, the circle center of the reinforcing inner ring frame (12) coincides with the circle center of the reinforcing outer ring frame (11), a plurality of reinforcing rings (13) which are fixedly connected with the reinforcing inner ring frame (12) and the reinforcing outer ring frame (11) are arranged between the reinforcing inner ring frame (12) and the reinforcing outer ring frame (11), and the reinforcing rings (13) are arrayed along the outer circumference of the reinforcing inner ring frame (12) and the inner circumference of the reinforcing outer ring frame (11) at equal intervals.

6. The concert hall tunable reverberation baffle of claim 5, wherein: strengthen being provided with a plurality of second stiffener (15) on the inner ring frame (12) fixedly, a plurality of second stiffener (15) are along strengthening the circumference equidistance array of inner ring frame (12), and second stiffener (15) perpendicular to first inner ring (31) set up, and second stiffener (15) deviate from the coincidence point of the adjacent pentagonal panel on one end of strengthening inner ring frame (12) and first inner ring (31) and be close to the position fixed connection of second inner ring (32).

7. The concert hall tunable reverberation baffle of claim 1, wherein: the anti-sound component (7) comprises an anti-sound inner ring plate (71) and an anti-sound outer ring plate (72), the anti-sound inner ring plate (71) is in a trapezoid shape, a plurality of anti-sound inner ring plates (71) are arranged on one side of the first inner ring (31) departing from the supporting framework (2) at intervals in an equidistant mode and form a ring shape, the anti-sound outer ring plate (72) is arranged on the periphery of a ring formed by the plurality of anti-sound inner ring plates (71), the anti-sound outer ring plate (72) is also in a trapezoid shape, and the anti-sound outer ring plate (72) is arranged at intervals in an equidistant mode and forms a ring shape.

8. The concert hall tunable reverberation baffle of claim 7, wherein: the four corners of the anti-sound outer ring plate (72) and the anti-sound inner ring plate (71) are provided with steel wire ropes (73) in a penetrating way to be fixedly connected with the supporting framework (2).

9. The concert hall tunable reverberation baffle of claim 1, wherein: offer first mounting groove (311) along circumference equidistance interval array on first inner ring (31), second mounting groove (4) have been seted up to the position that first inner ring (31), second inner ring (32) and first outer ring (33) handing-over each other, third mounting groove (5) have been seted up to the position that second inner ring (32), first outer ring (33) and second outer ring (34) handed-over each other, all be provided with light (6) in first mounting groove (311), second mounting groove (4) and third mounting groove (5).

10. The concert hall tunable reverberation baffle of claim 9, wherein: first mounting groove (311) are oval setting, and second mounting groove (4) are circular setting, and third mounting groove (5) are oval setting, all are provided with one light (6) in first mounting groove (311) and second mounting groove (4), are provided with two light (6) of arranging side by side in third mounting groove (5).

Technical Field

The application relates to the technical field of music baffle plates, in particular to an adjustable reverberation baffle plate for a concert hall.

Background

The prior anti-sound board product is an indispensable architectural acoustic structure of a professional concert hall, and is equipment for improving the acoustic conditions of a theater in a band playing or solo. The sound reflecting plate is composed of an upper sound reflecting plate, a rear sound reflecting plate and a side sound reflecting plate, limited natural sound energy can be fully utilized, sound amplification equipment is not needed, and sound distortion is avoided. The anti-sound board which forms the anti-sound board can be vertically suspended above the stage, and can also be lowered to be above the closed stage when in use, so that audiences can appreciate the top-level concert with original taste and flavor. The anti-sound board in the related art is generally formed by stacking and splicing a plurality of laminated boards.

In view of the above-mentioned related art, the inventors consider that there are drawbacks in the related art that the soundboard viewing performance is poor and the visual matching with the concert hall environment is not good.

Disclosure of Invention

In order to improve the poor ornamental performance of the baffle, the problem of not good visual matching with the concert hall environment, the application provides an adjustable reverberation baffle of a concert hall.

The application provides an adjustable reverberation baffle in concert hall adopts following technical scheme:

an adjustable reverberation baffle for a concert hall comprises a first inner ring, wherein the first inner ring is formed by mutually abutting a plurality of pentagonal plates and equidistantly arrayed around the circumference, the inner periphery of the first inner ring is formed by the bottom edges of a plurality of pentagonal plates, a second inner ring is arranged on the periphery of the first inner ring, the second inner ring is formed by equidistantly arrayed plates of quadrangular pyramids along the periphery of the first inner ring, a first outer ring is arranged on the periphery of the second inner ring, the first outer ring is formed by equidistantly arrayed plates of quadrangular pyramids along the periphery of the second inner ring, the edges of the quadrangular pyramids on the first outer ring abut against the edges of the quadrangular pyramids on the second inner ring, the top points of the quadrangular pyramids on the first outer ring and the top points of the quadrangular pyramids on the second inner ring are positioned at the same side of the first inner ring, a second outer ring is arranged on the periphery of the first outer ring, the second outer ring is formed by equidistantly arrayed plates of quadrangular pyramids along the periphery of the first outer ring, and the edges of the quadrangular pyramids of the second outer ring abut against the first outer ring, the vertex of the quadrangular pyramid of the second outer ring and the vertex of the quadrangular pyramid of the first outer ring are positioned at the same side of the first inner ring, and one side of the vertex of the quadrangular pyramid of the second outer ring, which deviates from the first inner ring, is provided with a sound reflecting component for reflecting sound.

Through adopting above-mentioned technical scheme, the molding of lotus is formed in the cooperation jointly of first inner ring, second inner ring, first outer loop and second outer loop, and through self transparent material's selection for the whole lotus flower molding that presents the clean penetrating sense of icy jade of decorating the frame makes the board of playing a sound have better sight and admires the performance, and the permeability of self vision, also can be better carry out the adaptation of vision with the environment in concert room.

Preferably, one side of the first inner ring, which is far away from the anti-sound component, is provided with a supporting framework, the supporting framework is formed by mutually fixedly connecting plates stretched out from the edges of the first inner ring, the second inner ring, the first outer ring and the second outer ring, and the supporting framework is fixedly connected with the first inner ring, the second inner ring, the first outer ring and the second outer ring.

Through adopting above-mentioned technical scheme, the setting of supporting framework can get up first inner ring, second inner ring, first outer loop and second outer loop reciprocal anchorage, and is fixed through fixing supporting framework and wall crown simultaneously, has made things convenient for operating personnel to this application antinoise board's installation fixed in the concert hall.

Preferably, one side of the supporting framework, which is far away from the first inner ring, is provided with an outer reinforcing ring frame, the outer reinforcing ring frame is of a circular ring structure, a first reinforcing rod is fixedly arranged on the outer reinforcing ring frame, and one end, which is far away from the outer reinforcing ring frame, of the first reinforcing rod is fixedly connected with the supporting framework at the junction of the four pyramids of the second outer ring, the four pyramids of the first outer ring and the four pyramids of the second inner ring.

By adopting the technical scheme, the arrangement of the first outer ring frame and the first reinforcing rod can reinforce the support hanging frame with certain strength, so that the support hanging frame can ensure the fixing effect on the first inner ring and the like on the premise of reducing the mass; simultaneously through hierarchical fixed and reinforcement design for this application installation and dismantlement convenience more.

Preferably, the first reinforcing rod is arranged obliquely, and the oblique direction is as follows: the direction from the reinforcing outer ring frame to the supporting framework inclines towards the first inner ring.

Through adopting above-mentioned technical scheme, the setting of first stiffener slope for the strengthening frame can shift the partial weight of anti-acoustic plate to partial horizontal direction's power, makes mutual just right first stiffener can offset two opposite power, makes the strengthening frame can play better reinforcing effect to supporting the skeleton under the prerequisite that has lighter quality.

Preferably, the inner periphery of the outer ring frame is provided with a reinforced inner ring frame, the reinforced inner ring frame is in a circular arrangement, the circle center of the reinforced inner ring frame coincides with the circle center of the reinforced outer ring frame, a plurality of reinforcing rings which are fixedly connected with the reinforced inner ring frame and the reinforced outer ring frame are arranged between the reinforced inner ring frame and the reinforced outer ring frame, and the plurality of reinforcing rings are arrayed along the periphery of the reinforced inner ring frame and the inner periphery of the reinforced outer ring frame at equal intervals.

Through adopting above-mentioned technical scheme, strengthen the setting of inner ring frame and beaded finish, under the condition of as far as reduce weight, improved the support strength who strengthens outer ring frame.

Preferably, strengthen fixed being provided with a plurality of second stiffeners on the inner ring frame, a plurality of second stiffeners are along strengthening the circumference equidistance array of inner ring frame, and the setting of the first inner ring of second stiffener perpendicular to, the one end that the second stiffener deviates from to strengthen inner ring frame and the coincidence point of adjacent pentagonal panel on the first inner ring just are close to the position fixed connection of second inner ring.

Through adopting above-mentioned technical scheme, the setting of second stiffener, further improvement strengthen the support reinforcement effect of interior ring frame to supporting framework.

Preferably, the anti-sound subassembly is including anti-sound inner ring board and anti-sound outer ring board, and anti-sound inner ring board is trapezoidal setting, and the mutual equidistance interval array setting of a plurality of anti-sound inner ring boards just constitutes cyclic annularly in the one side that first inner ring deviates from the support skeleton, and the outer ring board setting of anti-sound is in the periphery department of the ring that a plurality of anti-sound inner ring boards constitute, and the outer ring board of anti-sound also is trapezoidal setting, and the mutual equidistance interval array setting of the outer ring board of anti-sound constitutes cyclic annularly.

Through adopting above-mentioned technical scheme, the setting of anti-sound subassembly through certain shape design, has guaranteed the acoustics professional function of anti-sound board when not influencing whole anti-sound board aesthetic property.

Preferably, the four corners of the anti-sound outer ring plate and the anti-sound inner ring plate are provided with steel wire ropes in a penetrating mode and fixedly connected with the supporting framework.

By adopting the technical scheme, the angle between the anti-sound inner ring plate and the anti-sound outer ring plate relative to the horizontal plane can be changed by adjusting the length of the steel wire rope between the support framework and the anti-sound component, so that the anti-sound component can adjust the anti-sound range and the anti-sound direction.

Preferably, set up the first mounting groove along circumference equidistance interval array on the first inner ring, the second mounting groove has been seted up to the position that first inner ring, second inner ring and first outer loop handing-over each other, and the third mounting groove has been seted up to the position that second inner ring, first outer loop and second outer loop handed-over each other, all is provided with the light in first mounting groove, second mounting groove and the third mounting groove.

Through adopting above-mentioned technical scheme, the setting of light can ensure to play the music book of seeing clearly that the musician can be clear, can strengthen the penetrating effect of first inner ring, second inner ring, first outer loop and second outer loop simultaneously.

Preferably, the first mounting groove is oval-shaped, the second mounting groove is round, the third mounting groove is oval-shaped, a lighting lamp is arranged in the first mounting groove and the second mounting groove, and two lighting lamps arranged side by side are arranged in the third mounting groove.

Through adopting above-mentioned technical scheme, the oval-shaped design of first mounting groove can play certain pleasing to the eye effect for first inner ring, can reduce the weight of first inner ring simultaneously under the condition that does not influence intensity. The arrangement of the second mounting groove and the third mounting groove reduces the slotted area as far as possible under the condition of meeting the mounting dimension of the lighting lamp, thereby better ensuring the strength of the decorative frame.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the arrangement of the first inner ring, the reinforcing frame and the supporting framework meets the ornamental requirement of the sound reflecting plate, and meanwhile, the support and the fixation are carried out in a matching manner according to the arrangement of the shape, so that the installation is convenient and stable;

2. the cooperation of anti-sound subassembly and supporting framework sets up, through the angle of adjustment anti-sound subassembly for decorating the frame, both can realize that the change at anti-sound board inclination satisfies anti-sound scope and direction, satisfies the acoustics professional function of this application.

Drawings

Fig. 1 is a schematic diagram of a concert hall tunable reverberation sound reflecting plate structure according to the present application;

fig. 2 is a schematic view intended to illustrate the structure of the anti-sound assembly;

FIG. 3 is a partial schematic view of the reinforcement cage shown hidden;

fig. 4 is a schematic structural view of the reinforcing frame.

Description of reference numerals: 1. a reinforcing frame; 11. reinforcing the outer ring frame; 12. reinforcing the inner ring frame; 13. a reinforcement ring; 14. a first reinforcement bar; 15. a second reinforcement bar; 2. a support framework; 3. a decorative frame; 31. a first inner ring; 311. a first mounting groove; 32. a second inner ring; 33. a first outer ring; 34. a second outer ring; 4. a second mounting groove; 5. a third mounting groove; 6. an illuminating lamp; 7. an anti-sound component; 71. an anti-sound inner ring plate; 72. an anti-sound outer ring plate; 73. a steel cord.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses an adjustable reverberation baffle of a concert hall.

Referring to fig. 1, the adjustable reverberation soundboard for a concert hall comprises a reinforcing frame 1, a supporting framework 2, a decorative frame 3 and a soundproofing assembly 7 which are arranged from top to bottom in sequence. Decorate and fixedly on the frame 3 be provided with a plurality of light 6, decorate the shape setting of frame 3 and select abstract lotus flower for the molding, and in order to express the clean penetrating sense of icy and beautiful, the material that this embodiment set up and decorate frame 3 is transparent ya keli board. According to the acoustic requirements, the thickness of the acrylic used for the anti-sound surface is not less than 25mm, and meanwhile, the thicker the thickness of the acrylic is, the better the rendered light effect is. Through the small sample test and the load calculation, the present embodiment sets the acrylic plate thickness to 25 mm. The anti-sound component 7 penetrates through the decoration frame 3 to be hung on the support framework 2, and the change of the inclination angle of the anti-sound plate can be realized by adjusting the angle of the anti-sound component 7 relative to the decoration frame 3 so as to meet the anti-sound range and direction. Support chassis 2 and decoration frame 3 fixed connection, because decoration frame 3 size is great, weight is heavier, strengthens frame 1 and improves support chassis 2's intensity to guarantee support chassis 2 and to decorate the fixed effect of frame 3.

Referring to fig. 2, the anti-sound assembly 7 includes an anti-sound inner ring plate 71, an anti-sound outer ring plate 72, and a wire rope 73. The anti-sound inner ring plate 71 and the anti-sound outer ring plate 72 are both arranged in a trapezoidal arc surface mode, the anti-sound inner ring plate 71 and the anti-sound outer ring plate 72 are both arranged in a plurality of modes, the number of the anti-sound outer ring plates 72 arranged in the embodiment is two times of the number of the anti-sound inner ring plates 71, and the number of the anti-sound inner ring plates 71 in the embodiment is 10. The anti-sound inner ring plates 71 are arranged at equal intervals in an array manner below the support framework 2 to form a ring shape, the anti-sound outer ring plates 72 are arranged at equal intervals in an array manner to form a ring shape and are located at positions close to the periphery of the circle formed by the anti-sound inner ring plates 71, and the anti-sound inner ring plates 71 and the anti-sound outer ring plates 72 are arranged in a staggered manner in space. The steel wire rope 73 is arranged at the four corners of the anti-sound inner ring plate 71 and the anti-sound outer ring plate 72, and penetrates through the anti-sound inner ring plate 71 and the anti-sound outer ring plate 72 to be fixedly connected with the support framework 2. The diameter of the wire rope 73 is set to 5mm in this embodiment. By adjusting the length of the wire rope 73 between the support framework 2 and the anti-sound component 7, the angle between the anti-sound inner ring plate 71 and the anti-sound outer ring plate 72 relative to the horizontal plane can be changed, so that the anti-sound range and the anti-sound direction of the anti-sound component 7 can be adjusted. The arrangement of the anti-sound component 7 ensures the acoustic professional function of the anti-sound board without influencing the aesthetic property of the whole anti-sound board through certain shape design.

Referring to fig. 3, the trim frame 3 has a circular shape as a whole, and includes a first inner ring 31, a second inner ring 32, a first outer ring 33, and a second outer ring 34 in this order from the inside to the outside. The first inner ring 31 is formed by a plurality of pentagonal plates abutting each other and arrayed at equal intervals along the circumference, wherein the inner circumference of the first inner ring 31 is formed by a bottom edge array of a plurality of pentagonal plates. The second inner ring 32, the first outer ring 33 and the second outer ring 34 are formed by plates of quadrangular pyramids arranged at equal intervals along the periphery of the first inner ring 31, the edges of the quadrangular pyramids on the first outer ring 33 are abutted with the edges of the quadrangular pyramids on the second inner ring 32, and the quadrangular pyramids of the second outer ring 34 are abutted with the edges of the quadrangular pyramids of the first outer ring 33. The vertices of the quadrangular pyramid on the first outer ring 33 and the vertices of the quadrangular pyramid on the second inner ring 32 are located on the same side of the first inner ring 31, and the vertices of the quadrangular pyramid of the second outer ring 34 and the vertices of the quadrangular pyramid of the first outer ring 33 are located on the same side of the first inner ring 31. The supporting framework 2 is formed by mutually and fixedly connecting plates stretched out from the edges of a first inner ring 31, a second inner ring 32, a first outer ring 33 and a second outer ring 34, and the supporting framework 2 is fixedly connected with the first inner ring 31, the second inner ring 32, the first outer ring 33 and the second outer ring 34. First inner ring 31, second inner ring 32, first outer loop 33 and second outer loop 34 cooperate jointly to form the molding of lotus, and through self transparent material's selection for decorate the whole lotus molding that presents the clean penetrating sense of pure and beautiful of frame 3, make the board of playing a sound have better sight ability, and the permeability of self vision, also can be better carry out the adaptation of vision with the environment in concert room.

Referring to fig. 3, an oval first mounting groove 311 arrayed along the circumference at equal intervals is formed in the first inner ring 31, a round second mounting groove 4 is formed in the positions where the first inner ring 31, the second inner ring 32 and the first outer ring 33 are mutually jointed, an oval third mounting groove 5 is formed in the positions where the second inner ring 32, the first outer ring 33 and the second outer ring 34 are mutually jointed, a lighting lamp 6 is arranged in each of the first mounting groove 311 and the second mounting groove 4, and two lighting lamps 6 arranged side by side are arranged in each of the third mounting groove 5. The oval design of the first mounting groove 311 can provide a certain aesthetic effect for the first inner ring 31, and at the same time, the weight of the first inner ring 31 can be reduced without affecting the strength. The second mounting groove 4 and the third mounting groove 5 are arranged to reduce the slotted area as much as possible under the condition of meeting the mounting size of the lighting lamp 6, so that the strength of the decorating frame 3 is better ensured.

Referring to fig. 4, the reinforcing cage 1 includes a reinforcing outer ring cage 11, a reinforcing inner ring cage 12, a reinforcing ring 13, a first reinforcing bar 14, and a second reinforcing bar 15. The reinforcing outer ring frame 11 is a circular ring structure, and the reinforcing inner ring frame 12 is arranged inside the reinforcing outer ring frame 11. The reinforcement ring 13 is provided with a plurality of reinforcement rings 13 which are arrayed at equal intervals along the periphery of the reinforcement inner ring frame 12, and two opposite positions of the reinforcement rings 13 are respectively welded and fixed with the reinforcement inner ring frame 12 and the reinforcement outer ring frame 11. The first reinforcing rods 14 are arranged in a plurality, one end of each first reinforcing rod 14 is fixedly connected with the periphery of the reinforcing outer ring frame 11, the other end of each first reinforcing rod 14 is fixedly connected with the supporting framework 2 at the junction of the quadrangular pyramid of the second outer ring 34, the quadrangular pyramid of the first outer ring 33 and the quadrangular pyramid of the second inner ring 32, and the first reinforcing rods 14 are arrayed at equal intervals along the periphery of the reinforcing outer ring frame 11. The first reinforcing bar 14 is arranged obliquely, and the oblique direction is as follows: the direction from the reinforcing outer ring frame 11 toward the support frame 2 is inclined toward the first inner ring 31. The second reinforcing rods 15 are arranged in a plurality, the second reinforcing rods 15 are arranged perpendicular to the first inner ring 31, and the plurality of second reinforcing rods 15 are arrayed at equal intervals along the circumferential direction of the reinforcement inner ring frame 12. The top end of the second reinforcing rod 15 is welded and fixed with the reinforcing inner ring frame 12, and the bottom end of the second reinforcing rod 15 is fixedly connected with the coincident point of the adjacent pentagonal plates on the first inner ring 31 and the position close to the second inner ring 32. The reinforcing frame 1 can well improve the strength of the whole supporting framework 2, so that the supporting framework 2 is not easy to break, and the supporting and fixing effect of the supporting framework 2 on the decorating frame 3 can be ensured; the first reinforcing rods 14 are arranged obliquely, so that the reinforcing frame 1 can transfer partial weight of the sound reflecting plate to partial horizontal force, the first reinforcing rods 14 which are opposite to each other can offset two opposite forces, and the reinforcing frame 1 can play a good reinforcing effect on the support framework 2 on the premise of light weight.

The implementation principle of the adjustable reverberation baffle of the concert hall in the embodiment of the application is as follows: through the setting of decorating frame 3, can guarantee the ornamental performance of anti-acoustic board for anti-acoustic board can adapt to the visual environment in concert room. The sound reflecting plate does not influence the aesthetic property of the decorative frame 3, and simultaneously, the adjustability of the sound reflecting plate is also ensured through the ingenious arrangement of the blade shape. The setting of support chassis 2 and reinforcement frame 1, according to the shape characteristic of dress trim 3, carry out the fixed of butt adaptation by support chassis 2, reinforcement frame 1 improves support chassis 2 through structural design and to dress trim 3's fixed strength. To sum up, this application through the design of lotus shape to according to better atress structure, through decorating frame 3, support chassis 2 and strengthening frame 1 improved the ornamental performance of anti-sound board and with the adaptation of music hall environment vision.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.