CN218346470U - Indoor reverberation adjustment system - Google Patents

Indoor reverberation adjustment system Download PDF

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Publication number
CN218346470U
CN218346470U CN202222265686.XU CN202222265686U CN218346470U CN 218346470 U CN218346470 U CN 218346470U CN 202222265686 U CN202222265686 U CN 202222265686U CN 218346470 U CN218346470 U CN 218346470U
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piece
sound
reverberation
sound absorbing
rotating shaft
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CN202222265686.XU
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Chinese (zh)
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刘敬华
黄善智
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Guangdong Liyin Acoustics Technology Co ltd
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Guangdong Liyin Acoustics Technology Co ltd
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Abstract

The utility model discloses an indoor reverberation adjusting system, which comprises a base, a sound absorbing piece, a diffusion component and a driving piece, wherein the sound absorbing piece is arranged on the base, and the diffusion component is arranged outside the sound absorbing piece; the diffusion component comprises an overturning part and a rotating shaft, the overturning part is provided with a first side and a second side, the first side of the overturning part and the second side of the overturning part are opposite sides, and the first side of the overturning part and the second side of the overturning part are arc-shaped; the rotation axis wears to establish on the upset piece, and the driving piece is fixed on the base or inhales the sound piece, rotation axis and the drive section fixed connection of driving piece. An indoor reverberation governing system pass through the upset of upset piece to adjust the reverberation time in room, in order to adapt to different user demands.

Description

Indoor reverberation adjustment system
Technical Field
The utility model belongs to the technical field of inhale the sound, concretely relates to indoor reverberation governing system.
Background
The index describing the reverberation effect of a room is the reverberation time, which is the time that the sound pressure level decays by 60dB after the sound source in the room stops sounding, and the unit is second. The reverberation length of the room is determined by the sound absorption quantity and the volume of the room, the room with large volume and small sound absorption quantity has long reverberation time, strong sound absorption and small volume, and the reverberation time needs to be short. The reverberation time is too short, the sound is dry, is dull, tasteless and not close to the nature, and the reverberation time is too long, so that the sound is mixed; when the reverberation time is proper, the sound is mellow and smooth.
After the indoor decoration of the existing room is finished, the indoor reverberation time is fixed and cannot be adjusted. However, different acoustic tests and listening experiences require the room to provide various reverberation times.
Disclosure of Invention
An object of the utility model is to provide an indoor reverberation governing system can adjust the reverberation time in room.
The technical scheme is as follows:
the utility model provides an indoor reverberation adjusting system, which comprises a base, a sound absorbing piece, a diffusion component and a driving piece,
the sound absorbing piece is arranged on the base, and the diffusion component is arranged on the outer side of the sound absorbing piece;
the diffusion component comprises an overturning part and a rotating shaft, the overturning part is provided with a first side and a second side, the first side of the overturning part and the second side of the overturning part are opposite sides, and the first side of the overturning part and the second side of the overturning part are arc-shaped;
the rotation axis wears to establish on the upset piece, and the driving piece is fixed on the base or inhale the sound piece, rotation axis and the drive section fixed connection of driving piece.
In one embodiment, the diffusion assembly further comprises at least two flip members, the flip members being arranged in sequence; at least two rotating shafts are correspondingly arranged.
In one embodiment, the turnover piece is provided with a third side and a fourth side, the third side of the turnover piece and the fourth side of the turnover piece are opposite to each other, the third side of the turnover piece is provided with a first inclined surface, the fourth side of the turnover piece is provided with a second inclined surface, the inclined angles of the first inclined surface and the second inclined surface are the same, and the first inclined surface and the second inclined surface can be abutted.
In one embodiment, the device further comprises a link mechanism, wherein the link mechanism comprises a linkage rod, a pushing rod and at least two branch rods; one end of the pushing rod is rotatably connected to the driving part of the driving part, the other end of the pushing rod is rotatably connected to the linkage rod, and each branch rod is respectively and rotatably connected with the corresponding rotating shaft; the pushing rod and the branch rod are respectively arranged at two sides of the linkage rod.
In one embodiment, the turnover piece is hollow, a rotary cylinder is arranged in the middle of the turnover piece, and the rotary shaft penetrates through the rotary cylinder; the sound absorbing piece is arranged at a distance from the rotating shaft greater than the distance from the third side of the turnover piece to the rotating shaft, and the sound absorbing piece is arranged at a distance from the rotating shaft greater than the distance from the fourth side of the turnover piece to the rotating shaft.
In one embodiment, the thickness of the turnover piece is gradually reduced from the center to the two ends; the first side of the flipper is symmetrical to the second side of the flipper.
In one embodiment, the base comprises a bottom plate and a frame, the bottom plate and the frame form a sound absorption groove, the turnover pieces are sequentially arranged in the notches of the sound absorption groove, and the turnover pieces can cover the notches of the sound absorption groove.
In one embodiment, the sound absorbing piece comprises sound absorbing cotton and sound transmitting cloth, and the sound transmitting cloth is wrapped outside the sound absorbing cotton.
In one embodiment, the frame is provided with a mounting groove, and the rotating shaft is rotatably arranged inside the mounting groove.
In one embodiment, the device further comprises a bearing, the bearing is arranged in the installation groove, and the rotating shaft is sleeved in the bearing.
The utility model provides a technical scheme has following advantage and effect:
the indoor reverberation adjusting system is characterized in that a sound absorbing piece is arranged on a base, a diffusion component is arranged on the outer side of the sound absorbing piece, and the sound absorbing volume is adjusted by changing the diffusion component, so that the reverberation time is adjusted; the first side of the turnover piece and the second side of the turnover piece are arc-shaped, and the arc-shaped can improve the sound diffusion effect of the indoor reverberation adjusting system; the first side of the turnover piece and the second side of the turnover piece are opposite to each other, and in the rotating process of the turnover piece, no matter the first side of the turnover piece or the second side of the turnover piece faces a sound source, the indoor reverberation adjusting system can still have a sound diffusion effect; the rotating shaft penetrates through the overturning part and is fixedly connected with the driving part of the driving part, the overturning part is driven to overturn through the driving part, when the overturning part rotates to be parallel to the sound absorbing part, the overturning part blocks the sound source, the overturning part plays a diffusion role, the sound absorbing part cannot play a role, and the reverberation time is prolonged so as to ensure that the sound has enough surrounding feeling and stereoscopic impression; when the turnover part rotates to be vertical to the sound-absorbing part, the turnover part cannot block the sound source, the sound-absorbing part plays a role, and the reverberation time is shortened at the moment so as to ensure that the room has high enough speech definition; the indoor reverberation adjusting system adjusts the reverberation time of the room through the overturning of the overturning part so as to adapt to different use requirements.
Drawings
Fig. 1 is a schematic perspective view of an indoor reverberation adjustment system of the present embodiment;
fig. 2 is a rear view of the indoor reverberation conditioning system of the present embodiment in an open state;
FIG. 3 isbase:Sub>A cross-sectional view A-A of FIG. 2;
fig. 4 is a front view of the room reverberation conditioning system of the present embodiment in a closed state;
FIG. 5 is a cross-sectional view B-B of FIG. 4;
fig. 6 is a schematic diagram of the internal structure of the room reverberation adjustment system of the present embodiment;
fig. 7 is a perspective view illustrating a flip member of the room reverberation adjustment system of the present embodiment.
Description of the reference numerals:
10. a base; 11. a base plate; 12. a frame; 121. a long plate; 122. a short plate;
20. a sound absorbing member; 21. sound-absorbing cotton; 22. an acoustically transparent cloth;
30. a turnover piece; 31. a first inclined surface; 32. a second inclined surface;
40. a drive member;
50. a link mechanism; 51. a linkage rod; 52. a push rod; 53. and (4) branch rods.
Detailed Description
To facilitate understanding of the present invention, specific embodiments thereof will be described in more detail below with reference to the accompanying drawings.
As used herein, unless otherwise specified or defined, "first, second …" is used merely to distinguish between names and does not denote a particular quantity or order.
As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items, unless specified or otherwise defined.
It should be noted that "fixed" and "connected" in this document may be directly fixed or connected to one element or may be indirectly fixed or connected to one element.
The utility model provides an indoor reverberation governing system, as shown in fig. 1 to 3, including base 10, inhale sound piece 20, diffusion subassembly, driving piece 40 and link mechanism 50.
The sound absorbing piece 20 is arranged on the base 10, the diffusion component is arranged outside the sound absorbing piece 20, namely the diffusion component is arranged on one side of the sound absorbing piece 20 close to a sound source, and the sound absorbing volume is adjusted by changing the diffusion component, so that the reverberation time is adjusted; the diffusion component comprises a turnover part 30 and a rotating shaft, the turnover part 30 is provided with a first side and a second side, the first side of the turnover part 30 and the second side of the turnover part 30 are opposite sides, and in the rotating process of the turnover part 30, no matter the first side of the turnover part 30 or the second side of the turnover part 30 faces a sound source, the indoor reverberation adjusting system can still have a diffusion effect on the sound; the first side of the flip 30 and the second side of the flip 30 are arc-shaped, and the arc-shaped can improve the sound diffusion effect of the room reverberation adjustment system.
The rotating shaft is arranged on the turnover part 30 in a penetrating way, the driving part 40 is fixed on the base 10 or the sound absorbing part 20, and the rotating shaft is fixedly connected with the driving part of the driving part 40; the indoor reverberation adjusting system also comprises a battery and a circuit board, wherein the circuit board is electrically connected with the battery and the driving part 40 respectively; as shown in fig. 4 and 5, when the turnover member 30 is rotated to be parallel to the sound-absorbing member 20, the turnover member 30 blocks a sound source for the closed state of the room reverberation adjusting system, the turnover member 30 plays a diffusion role, the sound-absorbing member 20 cannot play a role, and the reverberation time is prolonged to ensure that the sound has sufficient surround feeling and stereoscopic impression; as shown in fig. 3, when the turnover part 30 is rotated to be perpendicular to the sound-absorbing part 20, the sound-absorbing part 20 acts when the turnover part 30 is in the open state of the room reverberation adjusting system, and the reverberation time is shortened to ensure that the speech intelligibility in the room is high enough; the indoor reverberation adjusting system adjusts the reverberation time of the room through the turning of the turning member 30 to adapt to different use requirements.
As shown in fig. 4 to 5, the base 10 includes a bottom plate 11 and a frame 12, the frame 12 is formed by connecting two long plates 121 and two short plates 122, the two long plates 121 are disposed on the left and right sides to form the height of the frame 12, and the two short plates 122 are disposed on the upper and lower sides to form the width of the frame 12; the bottom plate 11 is connected to one side of the frame 12, and the bottom plate 11 and the frame 12 form a sound absorption groove; the diffusion assembly further comprises at least two flip members 30, the flip members 30 being arranged in sequence; at least two rotating shafts are correspondingly arranged, specifically, six overturning pieces 30 are correspondingly arranged, six rotating shafts are correspondingly arranged, the six overturning pieces 30 are sequentially arranged at the notches of the sound absorption grooves, and when the six overturning pieces 30 rotate to an angle parallel to the sound absorption plates, the six overturning pieces 30 cover the notches of the sound absorption grooves; in other embodiments, the number of the turning members 30 may be one, two, three, four or five, and the number of the turning members 30 is set according to actual requirements, which is not limited by the present invention.
Inhale sound piece 20 including inhaling sound cotton 21 and penetrating sound cloth 22, penetrating sound cloth 22 parcel is in inhaling the outside of sound cotton 21, inhales sound cotton 21 and can play the effect of inhaling the sound, and penetrating sound cloth 22 plays the guard action to inhaling sound cotton 21, prevents to inhale that sound cotton 21 is loose.
The turning member 30 is hollow, so that the self weight can be reduced, the turning member 30 is arranged at the notch of the sound absorption groove along the height direction of the frame 12, the notch of the sound absorption groove is conveniently covered in a rotating manner, the effect of the sound absorption member 20 is reduced, and the reverberation time of a room is changed by adjusting the angle of the turning member 30; a rotating cylinder is arranged in the middle of the overturning part 30, and a rotating shaft penetrates through the rotating cylinder, so that the rotating shaft is fixedly connected with the overturning part 30; the outer wall of the rotary cylinder is provided with four connecting ribs, and the tail ends of the connecting ribs are connected with the inner wall of the turnover piece 30, so that the rotary cylinder is fixed on the turnover piece 30; the frame 12 is provided with a mounting groove, and the rotating shaft is rotatably arranged inside the mounting groove, so that the turnover part 30 is driven by the rotating shaft to rotate; the indoor reverberation adjusting system further comprises a bearing, the bearing is arranged in the installation groove, the rotating shaft is sleeved inside the bearing, and the bearing plays a role in supporting and reducing friction.
As shown in fig. 7, the turnover member 30 has a third side and a fourth side, the third side of the turnover member 30 and the fourth side of the turnover member 30 are opposite to each other, the third side of the turnover member 30 is provided with a first inclined surface 31, the fourth side of the turnover member 30 is provided with a second inclined surface 32, the first inclined surface 31 and the second inclined surface 32 have the same inclination angle, and the first inclined surface 31 and the second inclined surface 32 can be abutted; when the indoor reverberation adjustment system is turned from the open state to the closed state, the first inclined surface 31 of one of the tumblers 30 abuts against the second inclined surface 32 of the adjacent tumbler 30, so that the tumblers 30 are turned to a position parallel to the sound absorbing member 20, i.e., are not turned any more, and the function of limiting is achieved.
Specifically, the distance between the sound absorbing member 20 and the rotation axis is greater than the distance between the third side of the turnover member 30 and the rotation axis, and the distance between the sound absorbing member 20 and the rotation axis is greater than the distance between the fourth side of the turnover member 30 and the rotation axis, so that a sufficient space is reserved between the sound absorbing member 20 and the turnover member 30, and the sound absorbing member 20 is prevented from obstructing the rotation of the turnover member 30; the thickness of upset 30 reduces from its center to both ends gradually, and the first side of upset 30 and the second side symmetry of upset 30 to reach better diffusion effect, make simultaneously upset 30 rotate the in-process, no matter be the first side of upset 30 or the second side of upset 30 is towards the sound source, all can play the diffusion effect.
As shown in fig. 6, the link mechanism 50 includes a linkage rod 51, a push rod 52, and six branch rods 53; one end of the push rod 522 is rotatably connected to the driving part of the driving member 40, the other end of the push rod 522 is rotatably connected to the linkage rod 51, the driving member 40 is an electric push rod, and the driving part of the driving member 40 is an extending shaft of the electric push rod; in other embodiments, drive member 40 may also be a cylinder; the six branch rods 53 are respectively connected with the corresponding rotating shafts in a rotating mode, the pushing rods 522 and the branch rods 53 are respectively arranged on two sides of the linkage rod 51, and the link mechanism 50 enables the six turnover pieces 30 to rotate synchronously.
The above embodiments are not intended to be exhaustive list of the present invention, and there may be many other embodiments not listed. Any replacement and improvement made on the basis of not violating the conception of the utility model belong to the protection scope of the utility model.

Claims (10)

1. The indoor reverberation adjusting system is characterized by comprising a base, a sound absorbing piece, a diffusion component and a driving piece,
the sound absorbing piece is arranged on the base, and the diffusion component is arranged on the outer side of the sound absorbing piece;
the diffusion component comprises an overturning part and a rotating shaft, the overturning part is provided with a first side and a second side, the first side of the overturning part and the second side of the overturning part are opposite to each other, and the first side of the overturning part and the second side of the overturning part are arc-shaped;
the rotation axis wears to establish on the upset piece, the driving piece is fixed the base or inhale on the sound piece, the rotation axis with the drive division fixed connection of driving piece.
2. The room reverberation conditioning system of claim 1 wherein the diffusing member further includes at least two flippers, said flippers being arranged in series; at least two rotating shafts are correspondingly arranged.
3. The indoor reverberation conditioning system of claim 2, wherein said turning member has a third side and a fourth side, said third side of said turning member and said fourth side of said turning member being opposite to each other, said third side of said turning member having a first inclined surface, said fourth side of said turning member having a second inclined surface, said first inclined surface and said second inclined surface having the same inclination angle, said first inclined surface and said second inclined surface being abuttable.
4. The room reverberation conditioning system of claim 2 further comprising a linkage mechanism including a linkage rod, a push rod and at least two branch rods; one end of the pushing rod is rotatably connected to the driving part of the driving piece, the other end of the pushing rod is rotatably connected to the linkage rod, and each branch rod is respectively and rotatably connected with the corresponding rotating shaft; the pushing rod and the branch rod are respectively arranged on two sides of the linkage rod.
5. The indoor reverberation adjusting system of claim 3, wherein the turning member is hollow, and a rotary cylinder is disposed at the middle thereof, and the rotary cylinder is inserted through the rotary cylinder; the distance between the sound absorbing piece and the rotating shaft is larger than the distance between the third side of the turnover piece and the rotating shaft, and the distance between the sound absorbing piece and the rotating shaft is larger than the distance between the fourth side of the turnover piece and the rotating shaft.
6. The room reverberation conditioning system of any one of claims 1 to 5 wherein the thickness of the flip member gradually decreases from the center thereof to both ends; the first side of the flip member and the second side of the flip member are symmetrical.
7. The room reverberation conditioning system of any one of claims 1 to 5, wherein the base includes a base plate and a frame, the base plate and the frame forming a sound absorbing slot, each of the turning members being sequentially arranged at a notch of the sound absorbing slot, the turning member covering the notch of the sound absorbing slot.
8. The room reverberation adjustment system of any one of claims 1 to 5, wherein the sound-absorbing member includes a sound-absorbing cotton and a sound-transmitting cloth, and the sound-transmitting cloth is wrapped around the sound-absorbing cotton.
9. The room reverberation adjusting system of claim 7, wherein the frame has a mounting groove, and the rotation shaft is rotatably disposed inside the mounting groove.
10. The room reverberation conditioning system of claim 9, further comprising a bearing disposed in said mounting groove, said rotating shaft journalled within said bearing.
CN202222265686.XU 2022-08-26 2022-08-26 Indoor reverberation adjustment system Active CN218346470U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202222265686.XU CN218346470U (en) 2022-08-26 2022-08-26 Indoor reverberation adjustment system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202222265686.XU CN218346470U (en) 2022-08-26 2022-08-26 Indoor reverberation adjustment system

Publications (1)

Publication Number Publication Date
CN218346470U true CN218346470U (en) 2023-01-20

Family

ID=84916098

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202222265686.XU Active CN218346470U (en) 2022-08-26 2022-08-26 Indoor reverberation adjustment system

Country Status (1)

Country Link
CN (1) CN218346470U (en)

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