CN113235750B - Floor noise reduction device - Google Patents
Floor noise reduction device Download PDFInfo
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- CN113235750B CN113235750B CN202110748535.7A CN202110748535A CN113235750B CN 113235750 B CN113235750 B CN 113235750B CN 202110748535 A CN202110748535 A CN 202110748535A CN 113235750 B CN113235750 B CN 113235750B
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- noise reduction
- rubber sleeve
- reduction device
- metal framework
- vibrating diaphragm
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- 230000009467 reduction Effects 0.000 title claims abstract description 66
- 239000002131 composite material Substances 0.000 claims abstract description 38
- 239000002184 metal Substances 0.000 claims abstract description 36
- 229910052602 gypsum Inorganic materials 0.000 claims abstract description 26
- 239000010440 gypsum Substances 0.000 claims abstract description 26
- 238000010521 absorption reaction Methods 0.000 claims abstract description 24
- 239000000919 ceramic Substances 0.000 claims abstract description 15
- 238000013016 damping Methods 0.000 claims description 16
- 230000000712 assembly Effects 0.000 claims description 6
- 238000000429 assembly Methods 0.000 claims description 6
- 230000000694 effects Effects 0.000 abstract description 11
- 238000009413 insulation Methods 0.000 description 7
- 235000014676 Phragmites communis Nutrition 0.000 description 4
- 238000002955 isolation Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 239000011358 absorbing material Substances 0.000 description 3
- 230000035939 shock Effects 0.000 description 3
- 230000003139 buffering effect Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000006096 absorbing agent Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000011491 glass wool Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/74—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
- E04B1/82—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to sound only
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/92—Protection against other undesired influences or dangers
- E04B1/98—Protection against other undesired influences or dangers against vibrations or shocks; against mechanical destruction, e.g. by air-raids
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Architecture (AREA)
- Acoustics & Sound (AREA)
- Electromagnetism (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- Building Environments (AREA)
- Vibration Prevention Devices (AREA)
Abstract
The invention discloses a floor noise reduction device, which comprises a metal framework and a noise reduction device, wherein the metal framework comprises an upper metal framework and a lower metal framework, the noise reduction device is positioned between the upper metal framework and the lower metal framework, the noise reduction device comprises a composite vibrating diaphragm, a first sound absorption layer and a gypsum layer which are sequentially arranged from top to bottom, the noise reduction device also comprises a sound collection sensor arranged on the upper surface of the composite vibrating diaphragm, a controller connected with the sound collection sensor, and an electric ceramic vibration sheet connected with the controller and attached to the lower surface of the composite vibrating diaphragm. The invention has the advantages of ingenious structural design, obvious noise reduction effect, economy and practicability.
Description
Technical Field
The invention relates to the technical field of building noise reduction equipment, in particular to a floor noise reduction device.
Background
Once the neighbors, especially upstairs households, of the existing floor slab structure have larger knocking and friction actions, vibration and noise generated in upstairs rooms are easily transmitted to downstairs through wallboards, rest of downstairs households is affected, serious interference is brought to lives of the neighbors, and particularly at night. The existing sound insulation structure for floors is only provided with sound insulation plates, but the existing sound insulation plates are poor in sound insulation and vibration insulation effects, most of noise and vibration generated on floors cannot be effectively eliminated, and the rest of downstairs households still can be greatly influenced.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides the floor slab noise reduction device which is ingenious in structural design, remarkable in noise reduction effect, economical and practical.
In order to achieve the above purpose, the invention provides a floor noise reduction device, which comprises a metal framework and a noise reduction device, wherein the metal framework comprises an upper metal framework and a lower metal framework, the noise reduction device is positioned between the upper metal framework and the lower metal framework and comprises a composite vibrating diaphragm, a first sound absorption layer and a gypsum layer which are sequentially arranged from top to bottom, the noise reduction device further comprises a sound collection sensor arranged on the upper surface of the composite vibrating diaphragm, a controller connected with the sound collection sensor, and an electric ceramic vibration sheet connected with the controller and attached to the lower surface of the composite vibrating diaphragm.
Further, the gypsum layer comprises a first sub-gypsum layer and a second sub-gypsum layer, the noise reduction device further comprises a second sound absorption layer, and the first sub-gypsum layer, the second sound absorption layer, the lower metal framework and the second sub-gypsum layer are sequentially overlapped from top to bottom.
Further, the upper surface of the first sound absorption layer is provided with a plurality of protruding structures; or the upper surface of the first sound absorption layer is in an uneven structure.
Further, the noise reduction device also comprises a vacuum noise reduction assembly, wherein the vacuum noise reduction assembly comprises a shell, a piston rod, a damping assembly and an air pressure adjusting assembly, and the damping assembly comprises a first rubber sleeve, a second rubber sleeve and a telescopic elastic sleeve; one end of the shell is connected with the upper metal framework, one end of the shell penetrates through the composite vibrating diaphragm and then stretches into the space between the composite vibrating diaphragm and the first sound absorption layer, a vacuum cavity is arranged on the part, located between the composite vibrating diaphragm and the first sound absorption layer, of the shell, and one end of the piston rod is inserted into the vacuum cavity; a first rubber sleeve and a second rubber sleeve are alternately arranged in the middle of the piston rod, the first rubber sleeve can move up and down relative to the piston rod, the second rubber sleeve is fixed relative to the piston rod, a telescopic elastic sleeve is connected between the first rubber sleeve and the second rubber sleeve, the piston rod is positioned in the telescopic elastic sleeve, and the first rubber sleeve is connected with the shell; the other end of the piston rod penetrates through the first sound absorption layer to be connected with the gypsum layer; the air pressure adjusting component is communicated with the vacuum cavity.
Further, the damping assembly further comprises a damping spring sleeved outside the telescopic elastic sleeve, and two ends of the damping spring are connected with the first rubber sleeve and the second rubber sleeve.
Further, the shell comprises a connecting rod, an upper flange plate arranged in the middle of the connecting rod and a frame arranged at the lower end of the connecting rod, the upper end of the connecting rod is connected with the upper metal framework, the upper flange plate is attached to the lower surface of the composite vibrating diaphragm, the frame is positioned between the composite vibrating diaphragm and the first sound absorption layer, and the vacuum cavity is arranged at the lower end of the connecting rod; the other end of the piston rod is provided with a lower flange plate, and the lower flange plate is connected with the gypsum layer; the first rubber sleeve, the second rubber sleeve and the telescopic elastic sleeve are positioned in the frame, and the first rubber sleeve is connected with the frame.
Further, the piston rod is provided with a middle flange plate and a third rubber sleeve in sequence below the second rubber sleeve, the middle flange plate is connected with the second rubber sleeve, and the middle flange plate and the third rubber sleeve are positioned in the frame.
Further, the number of the electric ceramic vibration plates is multiple, and the electric ceramic vibration plates are uniformly distributed on the composite vibrating diaphragm.
Further, the number of the vacuum noise reduction assemblies is multiple, and the multiple vacuum noise reduction assemblies are uniformly distributed relative to the composite vibrating diaphragm.
After noise generated on the floor is reduced by the noise reduction device, the noise on the floor is not transmitted to the floor, so that the noise reduction and sound insulation effects are greatly improved, and residents on the floor are not affected. The sound collecting sensor is used for collecting the noise on the building and transmitting the noise to the controller, the controller drives the electric ceramic vibrating reed to generate vibration opposite to the sound wave on the building so as to offset the noise, and meanwhile, the electric ceramic vibrating reed generates opposite vibration and transmits the opposite vibration to the composite vibrating diaphragm, so that the vibration is generated on the whole surface of the composite vibrating diaphragm, and the vibration and the noise on the building can be effectively blocked. Further, on the effect of first sound absorption layer, second sound absorption layer, vacuum noise reduction subassembly, realize multistage layer upon layer combination and fall the noise, realize vibrations isolation, noise reduction effect is fairly showing, economical and practical.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a perspective view of the present invention.
Fig. 2 is an enlarged view at a of fig. 1.
Fig. 3 is a partial perspective view of the fig. 1 cut-away.
Fig. 4 is a perspective view of a vacuum noise reduction assembly of the present invention.
Fig. 5 is a perspective view of fig. 4 cut away.
Fig. 6 is an enlarged view at B of fig. 3.
Detailed Description
In order that those skilled in the art may better understand the technical solutions of the present invention, the following detailed description of the present invention with reference to the accompanying drawings is provided for exemplary and explanatory purposes only and should not be construed as limiting the scope of the present invention.
It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.
It should be noted that, the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," "outer," and the like refer to an azimuth or a positional relationship based on that shown in the drawings, or that the inventive product is commonly put in place when used, merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific azimuth, be configured and operated in a specific azimuth, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.
Furthermore, the terms "horizontal," "vertical," "overhang," and the like do not denote a requirement that the component be absolutely horizontal or overhang, but rather may be slightly inclined. As "horizontal" merely means that its direction is more horizontal than "vertical", and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the description of the present invention, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
As shown in fig. 1-5, the floor noise reduction device provided in this embodiment includes a metal framework, a noise reduction device, the metal framework includes an upper metal framework 1 and a lower metal framework 6, the noise reduction device is located between the upper metal framework 1 and the lower metal framework 6, the noise reduction device includes a composite vibrating diaphragm 2, a first sound absorbing layer 4 and a gypsum layer 5 that are sequentially set from top to bottom, the noise reduction device further includes a sound collecting sensor 3 disposed on the upper surface of the composite vibrating diaphragm 2, a controller (not shown in the drawing) connected with the sound collecting sensor 3, and an electric ceramic vibration sheet 8 connected with the controller and attached to the lower surface of the composite vibrating diaphragm 2. The number of the sound collection sensors 3 is set according to the actual need, and this is specifically limited. The noise reduction device of course also includes a power supply and a circuit for connecting the sound collection sensor 3, the controller and the electric ceramic vibration plate 8, which is the prior art, so that redundant description is omitted.
The present embodiment is installed on a floor slab when in use, and specifically, the upper metal framework 1 is connected with the floor slab. After noise that produces on the building falls through the noise reduction device and falls, the noise on the building can not transmit to the building under, has improved the noise reduction greatly and has given sound insulation effect for can not influence the resident under the building. When the noise reduction device is used, the noise on the floor is collected through the sound collection sensor 3 and is transmitted to the controller, the controller drives the electric ceramic vibrating reed 8 to generate vibration opposite to sound waves on the floor so as to offset the noise, meanwhile, the electric ceramic vibrating reed 8 generates opposite vibration and is transmitted to the composite vibrating diaphragm 2, the whole surface of the composite vibrating diaphragm 2 is vibrated, and the vibration and the noise on the floor can be effectively blocked. Further, further sound absorption and noise reduction are realized through the first sound absorption layer 4, and the noise reduction effect is further improved. The first sound-absorbing layer 4 may be made of sound-absorbing glass wool in the existing sound-absorbing materials, and other sound-absorbing materials may be used.
In this embodiment, preferably, the upper surface of the first sound absorbing layer 4 is provided with a plurality of protruding structures 40; or the upper surface of the first sound absorbing layer 4 is in an uneven structure. The protrusion structure 40 may be a conical protrusion or a spherical protrusion, which is limited to increase the contact area between the first sound absorbing layer 4 and noise, so as to absorb more noise and improve the noise reduction effect.
In this embodiment, it is further preferable that the gypsum layer 5 includes a first sub-gypsum layer 50 and a second sub-gypsum layer 51, and the noise reduction device further includes a second sound absorbing layer 7, where the first sub-gypsum layer 50, the second sound absorbing layer 7, the lower metal skeleton 6 and the second sub-gypsum layer 51 are sequentially stacked from top to bottom. Under the effect of the second sound absorption layer 7, further noise reduction is realized, so that the noise reduction effect is quite remarkable through multistage layer-by-layer noise reduction, and noise generated on the floor cannot be transmitted to the floor to influence residents on the floor. The second sound-absorbing layer 7 may be made of a conventional sound-absorbing material.
Further preferably, the noise reduction device further comprises a vacuum noise reduction assembly 9, wherein the vacuum noise reduction assembly 9 comprises a shell 90, a piston rod 91, a shock absorption assembly and an air pressure adjusting assembly (not shown in the figure), and the shock absorption assembly comprises a first rubber sleeve 97, a second rubber sleeve 95 and a telescopic elastic sleeve 96; one end of the housing 90 is connected with the upper metal skeleton 1, one end of the housing 90 passes through the composite vibrating diaphragm 2 and then extends into the space between the composite vibrating diaphragm 2 and the first sound absorbing layer 4, a vacuum cavity 9010 is arranged at the part of the housing 90 between the composite vibrating diaphragm 2 and the first sound absorbing layer 4, and one end of the piston rod 91 is inserted into the vacuum cavity 9010; a first rubber sleeve 97 and a second rubber sleeve 95 are alternately arranged in the middle of the piston rod 91, the first rubber sleeve 97 can move up and down relative to the piston rod 91, the second rubber sleeve 95 is fixed in position relative to the piston rod 91, a telescopic elastic sleeve 96 is connected between the first rubber sleeve 97 and the second rubber sleeve 95, the piston rod 91 is positioned in the telescopic elastic sleeve 96, and the first rubber sleeve 97 is connected with the shell 90; the other end of the piston rod 91 is connected with the gypsum layer 5 through the first sound absorbing layer 4; the air pressure regulating assembly is in communication with the vacuum chamber 9010. Specifically, the other end of the piston rod 91 sequentially passes through the first sound absorbing layer 4 and the first gypsum sub-layer 50 and then is connected with the lower metal skeleton 6.
The air pressure adjusting component of the embodiment comprises an air compressor, wherein the air compressor is communicated with the vacuum cavity 9010 through a valve, and the pressure in the vacuum cavity 9010 is adjusted by adjusting the opening and closing of the valve. The vibration isolation is realized to different degrees according to the pressure in the vacuum cavity 9010, and the vibration isolation is set according to actual needs.
Vibration noise generated on the floor of the embodiment is further reduced by the vacuum noise reduction assembly 9, and then the purpose of vibration isolation is achieved. Specifically, the airtight chamber formed by the vacuum chamber 9010 is equivalent to a pneumatic buffer and a pneumatic shock absorber, because of the compressibility of the air, when the vibration generated in the building is transferred to the vacuum chamber 9010, the vibration enables the air to be repeatedly compressed and pulled and then transferred to the lower side, and the air is elastic, so that the vibration is greatly reduced after being transferred to the lower side, and the purpose of isolating the vibration is achieved. Further, when the housing 90 moves up and down relative to the piston rod 91, the first rubber sleeve 97 moves relative to the piston rod 91, the telescopic elastic sleeve 96 stretches and contracts along with the distance change between the first rubber sleeve 97 and the second rubber sleeve 95, the purpose of buffering and damping is further achieved among the first rubber sleeve 97, the telescopic elastic sleeve 96 and the second rubber sleeve 95, the function of air tightness between the piston rod 91 and the housing 90 is guaranteed through the first rubber sleeve 97, the telescopic elastic sleeve 96 and the second rubber sleeve 95, air tightness is good, gas leakage does not exist, and the capability of isolating vibration of the vacuum noise reduction assembly is guaranteed.
Further preferably, the damping assembly further includes a damping spring (not shown) sleeved on the telescopic elastic sleeve 96, and two ends of the damping spring are connected to the first rubber sleeve 97 and the second rubber sleeve 95. The damper springs synchronously extend and retract along with the distance change between the first rubber sleeve 97 and the second rubber sleeve 95, and further play a role in damping.
In this embodiment, the housing 90 preferably includes a connecting rod 901, an upper flange 902 disposed in the middle of the connecting rod 901, and a frame 903 disposed at the lower end of the connecting rod 901, where the upper end of the connecting rod 901 is connected to the upper metal skeleton 1, and the upper flange 902 is attached to the lower surface of the composite diaphragm 2, so that the connecting rod 901 supports the composite diaphragm 2, and the frame 903 is located between the composite diaphragm 2 and the first sound absorbing layer 4, and the vacuum cavity 9010 is disposed at the lower end of the connecting rod 901; the other end of the piston rod 91 is provided with a lower flange plate 92, the lower flange plate 92 is connected with the gypsum layer 5, and specifically, the lower flange plate 92 is connected with the lower metal framework 6; the first rubber sleeve 97, the second rubber sleeve 95 and the telescopic elastic sleeve 96 are positioned in the frame 903, and the first rubber sleeve 97 is connected with the frame 903.
In this embodiment, preferably, the piston rod 91 is provided with an intermediate flange 93 and a third rubber sleeve 94 in sequence below the second rubber sleeve 95, the intermediate flange 93 is connected with the second rubber sleeve 94, and the intermediate flange 93 and the third rubber sleeve 94 are located in the frame 903. Wherein the third rubber sleeve 94 is provided with a certain degree of buffering and damping and axial limiting functions.
In this embodiment, preferably, the number of the electric ceramic vibration plates 8 is plural, and the plural electric ceramic vibration plates 8 are uniformly distributed on the composite diaphragm 2.
In this embodiment, preferably, the number of the vacuum noise reduction assemblies 9 is plural, and the plural vacuum noise reduction assemblies 9 are uniformly distributed with respect to the composite diaphragm 2.
The controller of the embodiment adopts the existing UNO-2171-P12E controller of the Hua, and also can adopt a Siemens PLC+S7-200 programmable controller.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
The foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined in the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (7)
1. The floor noise reduction device is characterized by comprising a metal framework and a noise reduction device, wherein the metal framework comprises an upper metal framework and a lower metal framework, the noise reduction device is positioned between the upper metal framework and the lower metal framework and comprises a composite vibrating diaphragm, a first sound absorption layer and a gypsum layer which are sequentially arranged from top to bottom, the noise reduction device also comprises a sound collection sensor arranged on the upper surface of the composite vibrating diaphragm, a controller connected with the sound collection sensor and an electric ceramic vibration sheet connected with the controller and attached to the lower surface of the composite vibrating diaphragm;
the noise reduction device further comprises a vacuum noise reduction assembly, wherein the vacuum noise reduction assembly comprises a shell, a piston rod, a damping assembly and an air pressure adjusting assembly, and the damping assembly comprises a first rubber sleeve, a second rubber sleeve and a telescopic elastic sleeve; one end of the shell is connected with the upper metal framework, one end of the shell penetrates through the composite vibrating diaphragm and then stretches into the space between the composite vibrating diaphragm and the first sound absorption layer, a vacuum cavity is arranged on the part, located between the composite vibrating diaphragm and the first sound absorption layer, of the shell, and one end of the piston rod is inserted into the vacuum cavity; a first rubber sleeve and a second rubber sleeve are alternately arranged in the middle of the piston rod, the first rubber sleeve can move up and down relative to the piston rod, the second rubber sleeve is fixed relative to the piston rod, a telescopic elastic sleeve is connected between the first rubber sleeve and the second rubber sleeve, the piston rod is positioned in the telescopic elastic sleeve, and the first rubber sleeve is connected with the shell; the other end of the piston rod penetrates through the first sound absorption layer to be connected with the gypsum layer; the air pressure adjusting component is communicated with the vacuum cavity.
2. The floor noise reduction device according to claim 1, wherein the gypsum layer comprises a first sub-gypsum layer and a second sub-gypsum layer, the noise reduction device further comprises a second sound absorption layer, and the first sub-gypsum layer, the second sound absorption layer, the lower metal framework and the second sub-gypsum layer are sequentially overlapped from top to bottom.
3. The floor noise reduction device according to claim 1, wherein the damping assembly further comprises a damping spring sleeved outside the telescopic elastic sleeve, and two ends of the damping spring are connected with the first rubber sleeve and the second rubber sleeve.
4. The floor noise reduction device according to claim 1, wherein the housing comprises a connecting rod, an upper flange plate arranged in the middle of the connecting rod, and a frame arranged at the lower end of the connecting rod, the upper end of the connecting rod is connected with the upper metal framework, the upper flange plate is attached to the lower surface of the composite vibrating diaphragm, the frame is arranged between the composite vibrating diaphragm and the first sound absorption layer, and the vacuum cavity is arranged at the lower end of the connecting rod; the other end of the piston rod is provided with a lower flange plate, and the lower flange plate is connected with the gypsum layer; the first rubber sleeve, the second rubber sleeve and the telescopic elastic sleeve are positioned in the frame, and the first rubber sleeve is connected with the frame.
5. The floor noise reduction device according to claim 4, wherein the piston rod is provided with an intermediate flange plate and a third rubber sleeve in sequence below the second rubber sleeve, the intermediate flange plate is connected with the second rubber sleeve, and the intermediate flange plate and the third rubber sleeve are located in the frame.
6. The floor noise reduction device according to claim 1, wherein the number of the electric ceramic vibration plates is plural, and the plural electric ceramic vibration plates are uniformly distributed on the composite vibrating diaphragm.
7. The floor noise reduction device according to claim 1, wherein the number of the vacuum noise reduction assemblies is plural, and the plural vacuum noise reduction assemblies are uniformly distributed with respect to the composite diaphragm.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2020106541069 | 2020-07-08 | ||
| CN202010654106.9A CN111764523A (en) | 2020-07-08 | 2020-07-08 | Anti-earthquake building device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113235750A CN113235750A (en) | 2021-08-10 |
| CN113235750B true CN113235750B (en) | 2023-06-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010654106.9A Withdrawn CN111764523A (en) | 2020-07-08 | 2020-07-08 | Anti-earthquake building device |
| CN202110748535.7A Active CN113235750B (en) | 2020-07-08 | 2021-07-01 | Floor noise reduction device |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010654106.9A Withdrawn CN111764523A (en) | 2020-07-08 | 2020-07-08 | Anti-earthquake building device |
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| Country | Link |
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| CN (2) | CN111764523A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001081891A (en) * | 1999-07-12 | 2001-03-27 | Runesu Kenkyusho:Kk | Sound insulation floor structure in building |
| JP2004169429A (en) * | 2002-11-20 | 2004-06-17 | Sumitomo Forestry Co Ltd | Ceiling sound insulating structure and ceiling sound isolation method |
| JP2005105774A (en) * | 2003-10-02 | 2005-04-21 | Takenaka Komuten Co Ltd | Sound isolating structure, sound isolator, and sound isolation method |
| CN209891648U (en) * | 2019-04-02 | 2020-01-03 | 成都恒宁环保工程有限公司 | Building structure for sound insulation and noise reduction between floors |
| CN210798032U (en) * | 2019-09-18 | 2020-06-19 | 广东世城建筑装饰工程有限公司 | Sound-insulation noise-reduction ceiling structure |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5435888B2 (en) * | 2008-05-01 | 2014-03-05 | 早川ゴム株式会社 | Ceiling structure and construction method |
| CN205591372U (en) * | 2016-03-14 | 2016-09-21 | 深圳瑞和建筑装饰股份有限公司 | Building floor sound -insulating structure |
| CN206289841U (en) * | 2016-10-26 | 2017-06-30 | 北京市劳动保护科学研究所 | A kind of flexible soft-film ceiling sound absorption structure |
| CN206312565U (en) * | 2016-12-05 | 2017-07-07 | 贺荣鹏 | A kind of active noise reduction equipment |
| CN206581470U (en) * | 2017-03-24 | 2017-10-24 | 业之峰诺华家居装饰集团股份有限公司 | Kitchen sound insulation and noise reduction ceiling structure |
| CN209053267U (en) * | 2018-10-29 | 2019-07-02 | 昆明嘉鼎博实新材料科技有限公司 | A kind of sound insulation air entrained concrete plate |
| CN110751936B (en) * | 2019-10-14 | 2020-09-08 | 深圳市维业装饰集团股份有限公司 | Intelligent noise reduction ceiling |
-
2020
- 2020-07-08 CN CN202010654106.9A patent/CN111764523A/en not_active Withdrawn
-
2021
- 2021-07-01 CN CN202110748535.7A patent/CN113235750B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001081891A (en) * | 1999-07-12 | 2001-03-27 | Runesu Kenkyusho:Kk | Sound insulation floor structure in building |
| JP2004169429A (en) * | 2002-11-20 | 2004-06-17 | Sumitomo Forestry Co Ltd | Ceiling sound insulating structure and ceiling sound isolation method |
| JP2005105774A (en) * | 2003-10-02 | 2005-04-21 | Takenaka Komuten Co Ltd | Sound isolating structure, sound isolator, and sound isolation method |
| CN209891648U (en) * | 2019-04-02 | 2020-01-03 | 成都恒宁环保工程有限公司 | Building structure for sound insulation and noise reduction between floors |
| CN210798032U (en) * | 2019-09-18 | 2020-06-19 | 广东世城建筑装饰工程有限公司 | Sound-insulation noise-reduction ceiling structure |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113235750A (en) | 2021-08-10 |
| CN111764523A (en) | 2020-10-13 |
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