CN215630778U

CN215630778U - Automatic noise reduction structure of sound field audiometric room

Info

Publication number: CN215630778U
Application number: CN202122331143.9U
Authority: CN
Inventors: 梁耀华; 武煜; 冯兴宇
Original assignee: Maanshan Tuoenkang Technology Development Co ltd
Current assignee: Maanshan Tuoenkang Technology Development Co ltd
Priority date: 2021-09-23
Filing date: 2021-09-23
Publication date: 2022-01-25
Anticipated expiration: 2031-09-23

Abstract

The utility model discloses an automatic noise reduction structure of a sound field audiometric room, which comprises a noise reduction wallboard, wherein the noise reduction wallboard is arranged on an outdoor wall surface through a first assembly part and a second assembly part, the first assembly part is composed of a U-shaped seat and wing plates, the U-shaped seat is fixed on the wall surface through screws, the wing plates are arranged at two ends of the U-shaped seat, the second assembly part is composed of a bottom plate and an L-shaped plate, the bottom plate is fixed on the wall surface through screws, the L-shaped plate is arranged at one end of the bottom plate, the noise reduction wallboard is composed of a sound insulation plate, a sound attenuation pad and a noise reduction plate, the sound attenuation pad is arranged at the outer side of the sound insulation plate, the noise reduction plate is arranged at the outer side of the sound attenuation pad, and the sound insulation plate, the sound attenuation pad and the noise reduction plate are pressed into a whole. This automatic structure of making an uproar of falling in sound field audiometric room through the wallboard of making an uproar of falling of assembly and based on the resonance amortization principle of the wallboard of making an uproar of falling to make partly acoustic energy turn into heat energy consumption, another part acoustic energy passes to the acoustic celotex board and the amortization pad is absorbed, and the realization is fallen and is fallen the noise, the amortization, reaches the fabulous sound insulation effect of making an uproar of falling.

Description

Automatic noise reduction structure of sound field audiometric room

Technical Field

The utility model relates to the technical field of noise reduction and sound insulation wallboards, in particular to an automatic noise reduction structure of a sound field audiometric room.

Background

The audiometric room for acoustic testing needs to strictly control the noise inside the audiometric room, so the audiometric room needs to be a closed environment as much as possible to achieve the best noise isolation effect, but the wall structure of the existing audiometric room can easily make the noise pass through the audiometric room, so that the noise level inside the audiometric room rises, and the sound test inside the audiometric room is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an automatic noise reduction structure of a sound field audiometric room, which is characterized in that a part of sound energy is converted into heat energy to be consumed through an assembled noise reduction wallboard and based on the resonance noise reduction principle of the noise reduction wallboard, the other part of sound energy is transmitted to a sound insulation board and a noise reduction pad to be absorbed, noise reduction and noise reduction are realized, a good noise reduction isolation effect is achieved, and the problems in the prior art can be solved.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides an automatic structure of making an uproar of falling in sound field audiometric room, including falling the wallboard of making an uproar, it installs on outdoor wall through first assembly part and second assembly part to fall the wallboard of making an uproar, first assembly part comprises U type seat and pterygoid lamina, U type seat passes through the screw fixation on the wall, the both ends of U type seat are located to the pterygoid lamina, the second assembly part comprises bottom plate and L template, the bottom plate passes through the screw fixation on the wall, the one end of bottom plate is located to the L template, fall the wallboard of making an uproar by the acoustic celotex board, the amortization fills up and falls the board of making an uproar and constitute, the outside that the acoustic celotex board was located to the amortization pad is fallen to the board of making an uproar, the acoustic celotex board, the amortization pad closes as an organic wholely with falling the board pressfitting of making an uproar.

Preferably, the one end of the wallboard of making an uproar falls is equipped with first slot, and first slot corresponds the matching with the pterygoid lamina, and the other end of the wallboard of making an uproar falls is equipped with the second slot, and the second slot corresponds the matching with the L template, falls the wallboard embedding of making an uproar between U type seat and the bottom plate to make the one end of pterygoid lamina insert in the first slot, the one end of L template inserts the second slot internal fixation.

Preferably, the surface of the noise reduction plate is uniformly provided with through holes, flow baffles are arranged in the through holes and comprise inclined plates, vertical plates and arc plates, the inclined plates are arranged in the through holes in a staggered mode, and the vertical plates and the arc plates are arranged at two ends of each inclined plate respectively.

Preferably, the sound-proof cotton is arranged in the gap between the noise reduction wallboards, the sound-proof cotton is filled in the U-shaped port of the U-shaped seat, and the two ends of the sound-proof cotton are tightly attached to the side walls of the adjacent noise reduction wallboards respectively.

Preferably, the first assembly part and the second assembly part are both integrally formed steel-plastic members.

Compared with the prior art, the utility model has the following beneficial effects:

according to the automatic noise reduction structure of the sound field audiometric room, the noise reduction wall boards are installed on the outdoor wall surface through the first assembly parts and the second assembly parts, and then the soundproof cotton is embedded into the gaps between the adjacent noise reduction wall boards, so that the assembly of the whole wall body is completed, and the automatic noise reduction structure of the sound field audiometric room has the advantages of simplicity in operation, convenience in installation, no pollution in construction and attractiveness in overall appearance; and on the basis of the resonance amortization principle of the wallboard of making an uproar for when the sound wave got into the through-hole on the board of making an uproar, the sound wave was blockked by staggered arrangement's spoiler and was reduced the propagation speed, and the face friction and the damping action of rethread sound wave and spoiler make partly sound energy turn into heat energy consumption, and another part sound energy passes to the acoustic celotex board and is absorbed with the amortization pad, thereby falls the realization and fall, the amortization, reaches the fabulous noise reduction sound insulation effect of making an uproar.

Drawings

FIG. 1 is a top view of the overall structure of the present invention;

FIG. 2 is a side view of the overall structure of the present invention;

FIG. 3 is a cross-sectional view of a noise reducing wall panel of the present invention.

In the figure: 1. a noise reduction wallboard; 11. a sound insulating board; 12. a sound-deadening pad; 13. a noise reduction plate; 131. a through hole; 2. a first fitting member; 21. a U-shaped seat; 22. a wing plate; 3. a second fitting member; 31. a base plate; 32. an L-shaped plate; 4. a spoiler; 41. an inclined plate; 42. a vertical plate; 43. an arc-shaped plate; 5. sound insulation cotton; 6. a first slot; 7. a second slot.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-3, an automatic noise reduction structure for a sound field audiometric room comprises a noise reduction wall plate 1, wherein the noise reduction wall plate 1 is installed on an outdoor wall surface through a first assembly part 2 and a second assembly part 3, the first assembly part 2 is composed of a U-shaped seat 21 and wing plates 22, the U-shaped seat 21 is fixed on the wall surface through screws, the wing plates 22 are arranged at two ends of the U-shaped seat 21, the second assembly part 3 is composed of a bottom plate 31 and an L-shaped plate 32, the bottom plate 31 is fixed on the wall surface through screws, the L-shaped plate 32 is arranged at one end of the bottom plate 31, the noise reduction wall plate 1 is composed of a sound insulation plate 11, a sound attenuation pad 12 and a noise reduction plate 13, the sound attenuation pad 12 is arranged at the outer side of the sound insulation plate 11, the noise reduction sound insulation plate 13 is arranged at the outer side of the sound attenuation pad 12, and the sound insulation plate 11, the sound attenuation pad 12 and the noise reduction plate 13 are pressed into a whole.

Because the one end of making an uproar wallboard 1 falls is equipped with first slot 6, first slot 6 corresponds the matching with pterygoid lamina 22, the other end of making an uproar wallboard 1 falls is equipped with second slot 7, second slot 7 corresponds the matching with L template 32, fall between 1 embedding U type seat 21 of wallboard and the bottom plate 31 of making an uproar, and make pterygoid lamina 22's one end insert in first slot 6, the one end of L template 32 inserts second slot 7 internal fixation, consequently make through this assembly mode that the installation of wallboard 1 falls makes an uproar easy operation, high durability and convenient installation, the construction is pollution-free, wholly pleasing to the eye.

Because the through holes 131 are uniformly arranged on the surface of the noise reduction plate 13, the flow blocking plate 4 is arranged in the through holes 131, the flow blocking plate 4 is composed of the inclined plate 41, the vertical plate 42 and the arc plate 43, the inclined plate 41 is arranged in the through holes 131 in a staggered manner, the vertical plate 42 and the arc plate 43 are respectively arranged at two ends of the inclined plate 41, when sound waves enter the through holes 131, the sound waves are blocked by the flow blocking plate 4 in the staggered manner to reduce the propagation speed, then, part of the sound energy is converted into heat energy to be consumed through the plate friction and the damping action of the sound waves and the flow blocking plate 4, and the other part of the sound energy is transmitted to the sound insulation plate 11 and the sound absorption pad 12 to be absorbed, thereby achieving the effects of noise reduction and sound absorption.

Be superior to and fall the space department between the wallboard 1 of making an uproar and be equipped with soundproof cotton 5, in soundproof cotton 5 fills the U type port of U type seat 21, soundproof cotton 5's both ends closely laminated with the lateral wall of the adjacent wallboard 1 of making an uproar respectively, consequently come isolated sound wave to spread into the wall from the space between the board 13 of making an uproar and get into in the audiometric room through soundproof cotton 5.

Because the first assembly part 2 and the second assembly part 3 are both integrally formed steel-plastic components, the steel-plastic composite pipe has the advantages of corrosion resistance, high strength and long service life.

This automatic structure of making an uproar of falling in sound field audiometric room will fall wallboard 1 of making an uproar and install on outdoor wall through the first assembly part 2 of several and second assembly part 3, again with soundproof cotton 5 imbed adjacent fall in the space between the wallboard 1 of making an uproar to accomplish the assembly of whole wall body, have easy operation, simple to operate, construction pollution-free, whole pleasing to the eye advantage. And on the basis of the resonance noise reduction principle of the noise reduction wallboard 1, when sound waves enter the through holes 131 on the noise reduction plate 13, the sound waves are blocked by the flow blocking plates 4 which are arranged in a staggered mode, so that the propagation speed is reduced, then, part of sound energy is converted into heat energy to be consumed through the plate surface friction and the damping action of the sound waves and the flow blocking plates 4, and the other part of sound energy is transmitted to the sound insulation plate 11 and is absorbed by the noise reduction pad 12, so that the noise reduction and the noise reduction are realized, and the excellent noise isolation effect is achieved.

In summary, the following steps: this automatic structure of making an uproar of falling in sound field audiometric room through the wallboard 1 of making an uproar of falling of assembly and based on the resonance amortization principle of the wallboard 1 of making an uproar of falling to make partly acoustic energy turn into heat energy consumption, another part acoustic energy passes to acoustic celotex board 11 and amortization pad 12 and is absorbed, and the realization is fallen to make an uproar, the amortization, reaches the fabulous effect of making an uproar of falling and gives sound insulation, therefore can effectively solve prior art problem.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, 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.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an automatic structure of making an uproar that falls in sound field audiometric room, is including falling wallboard (1) of making an uproar, its characterized in that: the noise reduction wallboard (1) is installed on an outdoor wall surface through a first assembly part (2) and a second assembly part (3), the first assembly part (2) is composed of a U-shaped seat (21) and a wing plate (22), the U-shaped seat (21) is fixed on the wall surface through screws, the wing plate (22) is arranged at two ends of the U-shaped seat (21), the second assembly part (3) is composed of a bottom plate (31) and an L-shaped plate (32), the bottom plate (31) is fixed on the wall surface through screws, the L-shaped plate (32) is arranged at one end of the bottom plate (31), the noise reduction wallboard (1) is composed of a noise reduction plate (11), a noise reduction pad (12) and a noise reduction plate (13), the noise reduction pad (12) is arranged on the outer side of the noise reduction plate (11), the noise reduction pad (12) is arranged on the outer side of the noise reduction pad (12), and the noise reduction plate (11), the noise reduction pad (12) and the noise reduction plate (13) are pressed into a whole.

2. The automatic noise reduction structure of the sound field audiometric room of claim 1, wherein: the one end of making an uproar wallboard (1) falls is equipped with first slot (6), and first slot (6) correspond with pterygoid lamina (22) and match, and the other end of making an uproar wallboard (1) falls is equipped with second slot (7), and second slot (7) correspond with L template (32) and match, fall between noise wallboard (1) embedding U type seat (21) and bottom plate (31) to make the one end of pterygoid lamina (22) insert in first slot (6), the one end of L template (32) inserts second slot (7) internal fixation.

3. The automatic noise reduction structure of the sound field audiometric room of claim 1, wherein: through holes (131) are uniformly arranged on the surface of the noise reduction plate (13), spoilers (4) are arranged in the through holes (131), each spoiler (4) consists of an inclined plate (41), a vertical plate (42) and an arc-shaped plate (43), the inclined plates (41) are arranged in the through holes (131) in a staggered mode, and the vertical plates (42) and the arc-shaped plates (43) are respectively arranged at two ends of each inclined plate (41).

4. The automatic noise reduction structure of the sound field audiometric room of claim 1, wherein: space department between the wallboard (1) of making an uproar is equipped with soundproof cotton (5), in soundproof cotton (5) filled the U type port of U type seat (21), the both ends of soundproof cotton (5) closely laminated with the lateral wall of the adjacent wallboard (1) of making an uproar respectively.

5. The automatic noise reduction structure of the sound field audiometric room of claim 1, wherein: the first assembly part (2) and the second assembly part (3) are both integrally formed steel-plastic components.