CN210569007U - Corner ventilation noise eliminator for silent room - Google Patents
Corner ventilation noise eliminator for silent room Download PDFInfo
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- CN210569007U CN210569007U CN201920627491.0U CN201920627491U CN210569007U CN 210569007 U CN210569007 U CN 210569007U CN 201920627491 U CN201920627491 U CN 201920627491U CN 210569007 U CN210569007 U CN 210569007U
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Abstract
The utility model discloses a silence room is with corner ventilation noise eliminator, the adjacent wall body corner department in silence room is provided with the ventilation structure spare, and the ventilation structure spare tip is provided with noise elimination water conservancy diversion awl, and the ventilation machine component periphery is provided with corner ventilation wall sound absorber, and the corner ventilation wall sound absorber outside is provided with corner ventilation sound-proof board, and corner ventilation sound-proof board is fixed on the silence room wall body, one side with corner ventilation wall sound absorber fixed connection, opposite side are provided with the wedge sound absorber, and corner ventilation sound-proof board tip is provided with special-shaped fixed mounting groove, the built-in special-shaped sound-proof board that is equipped with of special-shaped fixed mounting groove. Compared with the prior art, the utility model has the advantages of simple structure, simple to operate, the maintenance cost is lower, and make full use of carries out the air current and arranges, reduces the reflex sound of corner ventilation to improve indoor standing wave effect.
Description
Technical Field
The utility model relates to a noise control technical field, in particular to corner ventilation noise eliminator for silence room.
Background
The sound-proof room is a sound-proof testing device designed for products and manufacturing workshops with testing requirements, sound absorption treatment is carried out in the sound-proof room, so that the sound-proof room becomes a small sound-proof room, and small products such as precision instruments, motors, sound devices, transformers and the like can be tested in the sound-proof room. In order to ensure the accuracy of the test of the mute room, strict requirements on noise reduction in the mute room are often required; on the other hand, in order to avoid air pollution to reduce the sensitivity of the tester, a proper ventilation system must be provided in the mute room to ensure good sensory perception of the tester.
At present common silence room is for guaranteeing indoor low background noise to and guarantee the air current degree of consistency, adopt outdoor fan or air conditioning system usually, the top layer or the side wall air supply and the return air of many tuyeres, but this kind of design brings the trouble for arranging of inner space acoustic absorption layer, and also can influence pleasing to the eye sometimes, and the local torrent of air current is more moreover, and the air current is concentrated, and the dispersion is not enough even, if with the wind gap overall arrangement to experimental area, can produce great influence to experiment flow field, sound field and background noise.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a corner ventilation noise eliminator for silence room arranges ventilation noise eliminator in the corner in the room, one side air supply, opposite side return air to solve the not uniform air current distribution of the common ventilation system who mentions among the background art and be the influence problem of interior noise reduction function to the silence.
In order to achieve the above object, the utility model provides a following technical scheme: a corner ventilation noise eliminator for a silent room is characterized in that a ventilation structural member is arranged at a corner of an adjacent wall body of the silent room, a noise elimination guide cone is arranged at the end part of the ventilation structural member, a corner ventilation wall sound absorber is arranged at the periphery of the ventilation structural member, the corner ventilation wall sound absorber is fixed on two adjacent wall bodies of the silent room, a corner ventilation sound-insulating plate is arranged at the outer side of the corner ventilation wall sound absorber, one end of the corner ventilation sound-insulating plate is fixed on the wall body of the silent room, one side of the corner ventilation sound-insulating plate is fixedly connected with the corner ventilation wall sound absorber, the other side of the corner ventilation sound-insulating plate is provided with a wedge-shaped sound absorber, and; the corner ventilation sound insulation board tip is provided with dysmorphism fixed mounting groove, the built-in special-shaped acoustic baffle that is equipped with of special-shaped fixed mounting groove, special-shaped acoustic baffle top and anechoic chamber roof fixed connection.
The utility model discloses when using, for the indoor air current equilibrium of large-scale silence room in the middle or large-scale, as far as possible indoor temperature and humidity control is in the requirement range, does not make the noise from the silence room see through or get into, arranges the corner department in the room, realizes one side air supply, and the opposite side return air can arrange ventilation silencing device to the diagonal angle in little silence room.
In order to firmly fix the silencing device on the wall body of the mute room, the end part of the sound absorber of the corner ventilation wall is provided with a special-shaped groove which is fixed on the wall body of the mute room.
In order to firmly fix the silencing device on the wall body of the silencing room, a silencing guide cone fixing plate is further arranged between the ventilation structural part and the silencing guide cone and is fixedly connected with the special-shaped fixing installation groove.
In order to firmly fix the silencing device on the wall body of the silencing chamber, an L-shaped fixing groove is further arranged between the top plate of the silencing chamber and the special-shaped sound absorption plate and is fixed on the top plate of the silencing chamber.
In order to further ensure the silencing function of the silencing device, sound absorption materials are filled in the special-shaped groove, the special-shaped fixing installation groove and the L-shaped fixing groove.
Advantageous effects
Compared with the prior art, the beneficial effects of the utility model are as follows:
(1) the utility model has simple structure, convenient installation and lower maintenance cost;
(2) the utility model makes full use of the indoor corner space of the mute, skillfully utilizes the silencing flow guide cone to arrange the air flow, thereby realizing the distribution of the air flow and further silencing, further reducing the noise of the ventilation outlet of the corner, not occupying the effective space and having obvious advantages of energy conservation and consumption reduction;
(3) the utility model discloses sound absorption structure in the corner ventilation outside can reduce the reflection sound of corner ventilation, can not destroy indoor sound field to can improve indoor standing wave effect, make the sound field more perfect.
Drawings
FIG. 1 is a schematic top sectional view of the overall structure of the present invention;
fig. 2 is a schematic sectional top view showing the installation structure of the sound absorber 3 for a corner vent wall in the present embodiment;
fig. 3 is a front cross-sectional view showing the installation structure of the sound absorber 3 for a corner ventilation wall in the present embodiment;
fig. 4 is a schematic top sectional view of the arrangement structure of the silencing flow cone 5 in the present embodiment;
FIG. 5 is a partially enlarged view of the portion B in FIG. 4;
FIG. 6 is a schematic top sectional view of the layout structure of the irregular-shaped fixing installation groove 7 in the present embodiment;
FIG. 7 is a schematic view showing a connection structure between the irregular-shaped fixing installation groove 7, the corner ventilation sound-insulating panel 6 and the corner ventilation wall sound absorber 3 in this embodiment;
fig. 8 is a schematic sectional top view of the arrangement of the wedge-shaped sound absorber 8 in the present embodiment;
fig. 9 is a schematic front view of the wedge-shaped sound absorber 8 in this embodiment;
fig. 10 is a schematic top sectional view showing the arrangement structure of the irregular sound-absorbing panel 9 in this embodiment;
fig. 11 is a front sectional view schematically illustrating the arrangement structure of the irregular sound-absorbing panel 9 in this embodiment.
In the figure:
A. a mute room wall;
1. a ventilation structure; 2. a special-shaped groove; 21. a U-shaped groove at the bottom; 22. a top U-shaped groove; 3. corner vent wall sound absorbers; 4. a silencing guide cone fixing plate; 5. a silencing guide cone; 6. corner ventilation sound insulation board; 7. a special-shaped fixed mounting groove; 8. a wedge-shaped sound absorber; 9. a special-shaped sound absorption plate; 10. an L-shaped fixing groove; 11. a sound absorbing/insulating material; 12. and connecting screws.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1 to 11, the present invention provides a technical solution: a corner ventilation noise elimination device for a silent room is characterized in that a ventilation structural member 1 is arranged at a corner of an adjacent wall body of the silent room, a noise elimination guide cone 5 is arranged at the end part of the ventilation structural member 1, a corner ventilation wall sound absorber 3 is arranged on the periphery of the ventilation structural member 1, the corner ventilation wall sound absorber 3 is fixed on two adjacent wall bodies of the silent room, a corner ventilation sound insulation plate 6 is arranged at the outer side of the corner ventilation wall sound absorber 3, one end of the corner ventilation sound insulation plate 6 is fixed on the wall body of the silent room, one side of the corner ventilation sound insulation plate is fixedly connected with the corner ventilation wall sound absorber 3, the other side of the corner ventilation sound insulation plate 6 is provided with a wedge-shaped sound absorber; the end part of the corner ventilation sound insulation plate 6 is provided with a special-shaped fixing installation groove 7, a special-shaped sound absorption plate 9 is arranged in the special-shaped fixing installation groove 7, and the top of the special-shaped sound absorption plate 9 is fixedly connected with a top plate of the anechoic chamber.
The utility model discloses when using, for the indoor air current equilibrium of large-scale silence room in the middle or large-scale, as far as possible indoor temperature and humidity control is in the requirement range, does not make the noise from the silence room see through or get into, arranges the corner department in the room, realizes one side air supply, and the opposite side return air can arrange ventilation silencing device to the diagonal angle in little silence room.
In order to firmly fix the silencing device on the wall body of the silencing room, the end part of the sound absorber 3 of the corner ventilation wall is provided with a special-shaped groove 2, and the special-shaped groove 2 is fixed on the wall body of the silencing room.
In the embodiment, the corner ventilation wall sound absorber 3 adopts a perforated plate with the perforation rate of 44% as a carrier, a black glass felt is paved in the perforated plate, and the inside of the perforated plate is filled with 16kg/m density3The sound absorbing material of (1); the special-shaped grooves 2 comprise a bottom U-shaped groove 21 and a top U-shaped groove 22, and the two special-shaped grooves are arranged back to back and are fixed on a wall body through M6 knocking rivets.
In this embodiment, the corner ventilation and sound insulation board 6 is formed by combining a 1.2mm galvanized steel plate panel and a 0.7mm galvanized perforated plate back plate through C-shaped groove spot welding or rivet fixing, a hoisting nut is embedded in the sound insulation board, and the sound insulation board is filled with a material with a density of 45kg/m3A sound absorbing material. This corner ventilation sound-proof board 6 is installed in dysmorphism fixed mounting groove 7, and top and bottom all are fixed with 100 with the self-tapping nail 5mm chloroprene rubber damping sealing strip, in this dysmorphism fixed mounting groove 7, it has to inhale/sound insulation material to guarantee to inhale the sound insulation effect.
In order to firmly fix the silencing device on the wall body of the silencing room, a silencing guide cone fixing plate 4 is further arranged between the ventilation structural part 1 and the silencing guide cone 5, and the silencing guide cone fixing plate 4 is fixedly connected with the special-shaped fixing installation groove 7.
In the embodiment, the muffling diversion cone 5 adopts a galvanized perforated plate with the thickness of 1.2mm and the perforation rate of 44% as a carrier, a black glass felt is paved in the perforated plate, and the inner part of the perforated plate is filled with a black glass felt with the density of 32kg/m3The silencing guide cone fixing plate 4 is fixed with the silencing guide cone fixing plate 5 through a rivet, and the silencing guide cone fixing plate 4 is fixed in the special-shaped fixing mounting groove 7 through an M6 knocking rivet, so that the functions of guiding and silencing are achieved.
In this embodiment, the wedge-shaped sound absorber 8 is formed by a perforated plate through a sheet metal and laser cutting method. The perforated plate is internally paved with a black glass felt which is filled with 3 layers with the thickness of 100mm and the density of 16kg/m3The sound absorbing material of (1). One end of the wedge-shaped sound absorber 8 is knocked by the M6 and is fixed on the wall body of the anechoic chamber, the other end of the wedge-shaped sound absorber is fixed on the edge of the corner ventilation sound-proof plate 6, and the connection position of the wedge-shaped sound absorber and the corner ventilation sound-proof plate is filled with sound absorption/insulation materials to ensure the sound absorption and insulation effect.
In order to firmly fix the silencing device on the wall body of the silencing chamber, an L-shaped fixing groove 10 is further arranged between the top plate of the silencing chamber and the special-shaped sound absorption plate 9, and the L-shaped fixing groove 10 is fixed on the top plate of the silencing chamber.
In this embodiment, the irregular sound-absorbing panel 9 uses a perforated plate with a perforation rate of 44% as a carrier, and a black glass felt filled with a material with a density of 16kg/m is laid in the perforated plate3The sound absorption material is fixed in the L-shaped fixing groove 10 and the special-shaped fixing installation groove 7 through M6 knocking rivets to form a closed space sealed with the top shed of the silencing room.
In order to further ensure the silencing function of the silencing device, sound absorption materials 11 are filled in the special-shaped groove 2, the special-shaped fixing installation groove 7 and the L-shaped fixing groove 10.
Although preferred 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 invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. A corner ventilation noise eliminator for a silent room is characterized in that a ventilation structural member (1) is arranged at the wall corner of an adjacent wall body of the silent room, a noise elimination diversion cone (5) is arranged at the end part of the ventilation structural member (1), a corner ventilation wall sound absorber (3) is arranged at the periphery of the ventilation structural member (1), the corner ventilation wall sound absorber (3) is fixed on two adjacent wall bodies of the silent room, a corner ventilation sound insulation plate (6) is arranged at the outer side of the corner ventilation wall sound absorber (3), one end of the corner ventilation sound insulation plate (6) is fixed on the wall body of the silent room, one side of the corner ventilation sound insulation plate is fixedly connected with the corner ventilation wall sound absorber (3), a wedge-shaped sound absorber (8) is arranged at the other side of the corner ventilation sound insulation plate (6), and one end of the wedge-shaped sound absorber; the corner ventilation sound insulation board (6) tip is provided with dysmorphism fixed mounting groove (7), install in dysmorphism fixed mounting groove (7) and be equipped with special-shaped acoustic baffle (9), special-shaped acoustic baffle (9) top and anechoic room roof fixed connection.
2. The corner ventilation muffler device for a quiet room as claimed in claim 1, wherein: corner ventilation wall acoustic absorber (3) tip is provided with dysmorphism groove (2), dysmorphism groove (2) are fixed on the silence room wall body.
3. The corner ventilation muffler device for a quiet room as claimed in claim 2, wherein: a silencing guide cone fixing plate (4) is further arranged between the ventilation structural part (1) and the silencing guide cone (5), and the silencing guide cone fixing plate (4) is fixedly connected with the special-shaped fixed mounting groove (7).
4. The corner ventilation muffler device for a sound-deadening chamber according to claim 3, wherein: an L-shaped fixing groove (10) is further formed between the mute chamber top plate and the special-shaped sound absorption plate (9), and the L-shaped fixing groove (10) is fixed on the mute chamber top plate.
5. The corner ventilation muffler device for a quiet room as claimed in claim 4, wherein: and sound absorption materials are filled in the special-shaped groove (2), the special-shaped fixing installation groove (7) and the L-shaped fixing groove (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920627491.0U CN210569007U (en) | 2019-05-05 | 2019-05-05 | Corner ventilation noise eliminator for silent room |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920627491.0U CN210569007U (en) | 2019-05-05 | 2019-05-05 | Corner ventilation noise eliminator for silent room |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210569007U true CN210569007U (en) | 2020-05-19 |
Family
ID=70641092
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920627491.0U Active CN210569007U (en) | 2019-05-05 | 2019-05-05 | Corner ventilation noise eliminator for silent room |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210569007U (en) |
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2019
- 2019-05-05 CN CN201920627491.0U patent/CN210569007U/en active Active
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