CN209801747U - Air conditioner set air inlet and return section silencing device - Google Patents
Air conditioner set air inlet and return section silencing device Download PDFInfo
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- CN209801747U CN209801747U CN201920502440.5U CN201920502440U CN209801747U CN 209801747 U CN209801747 U CN 209801747U CN 201920502440 U CN201920502440 U CN 201920502440U CN 209801747 U CN209801747 U CN 209801747U
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Abstract
The utility model discloses an air conditioning unit advances, return air section noise eliminator is equipped with fresh air inlet and return air inlet respectively in a terminal surface and a side of mixing section, and a side of air supply section is equipped with the supply-air outlet, all install silencer device in the space of mixing section and the space of air supply section, silencer device is connected to form by a plurality of silencer, and the concave position at the upper portion both ends of a plurality of silencer is beaten the bolt fastening through the steel sheet, and the bolt fastening is beaten through U shaped steel structure in the bottom of a plurality of silencer, and the silencer comprises the noise elimination main part that the facing interconnect is constituteed and install in the last side of noise elimination main part, the kuppe of controlling the side constitutes, and noise elimination main part intussuseption is filled with. When guaranteeing ventilation performance, the limited installation space of effectual utilization reaches the ventilation noise reduction effect of requirement.
Description
Technical Field
The utility model relates to a noise eliminator, concretely relates to air conditioning unit advances, return air section noise eliminator.
Background
The fan sets of commercial property, industrial factory building etc. are installed in the skirt building, and fan sets are concentrated to be put usually, and noise reduction is great, can cause environmental noise pollution. The existing noise reduction measure is a pipeline silencer, and the noise is respectively installed at an air inlet and an air outlet, and can be filtered by an air outlet silencer to reduce certain sound pressure level. The invention can exert the effect under certain specific conditions, for example, the space of the air inlet pipeline and the air return pipeline is limited, and noise reduction measures are inconvenient to arrange, or more directly, the noise of the air conditioning unit is reduced by directly arranging and installing in the air inlet and return mixing section according to the noise reduction amount.
SUMMERY OF THE UTILITY MODEL
an object of the utility model is to provide a according to limited installation space, the silencer that the design meets the requirements when guaranteeing the normal operating of air inlet and return mixing section plenum, noise pollution is reduced effectively.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an air conditioning unit advances, return air section noise eliminator, includes the air conditioning unit shell, the air conditioning unit shell is mixed section, first effect filter section, fan section, well effect filter section, air supply section from a left side to the right side in proper order, and wherein a terminal surface and a side of mixed section are equipped with fresh air inlet and return air inlet respectively, and a side of air supply section is equipped with the supply-air outlet, all install the silencer device in the space of mixed section and in the space of air supply section, the silencer device is connected to form by a plurality of silencer, and the concave position at the upper portion both ends of a plurality of silencer is beaten the bolt fastening through the steel sheet, and the bolt fastening is beaten through U shaped steel structure to the bottom of a plurality of silencer, and the silencer comprises the noise elimination main part that the facing interconnect is constituteed and install in the last side of noise elimination main part, the.
Preferably, the fresh air inlet, the return air inlet and the air supply outlet of the mixing section are all provided with flow deflectors.
Preferably, the flow deflector is trumpet-shaped, and a horn mouth of the flow deflector is arranged right opposite to the silencer.
Preferably, the facing is of perforated plate construction.
Preferably, the air guide sleeve is made of stainless steel, titanium or aluminum, and is a hollow shell in a hemispherical, square, conical or wedge shape.
Preferably, the sound absorption material is glass wool or rock wool.
The utility model discloses a technological effect and advantage: when guaranteeing ventilation performance, the limited installation space of effectual utilization reaches the ventilation noise reduction effect of requirement.
Drawings
FIG. 1 is a schematic diagram of a conventional air conditioning unit;
FIG. 2 is a schematic view of the muffler device of the present invention;
FIG. 3 is a top view of the air intake and return muffler device of the present invention;
Fig. 4 and 5 are sectional views of the air intake and return muffler device of the present invention;
Fig. 6 is a schematic view of the muffler device of the present invention.
In the figure: the air conditioning unit comprises an air conditioning unit shell 1, a mixing section 2, a primary filtering section 3, a fan section 4, a secondary filtering section 5, an air supply section 6, an air supply outlet 7, a fresh air inlet 8, an air return inlet 9, a silencer device 10, a flow deflector 11, a flow guide cover 12, a protective surface 13, a sound absorbing material 14, a 15U-shaped steel structure and a 16 steel plate.
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.
This novel mainly used unit ventilation engineering falls makes an uproar, installs in ventilation system's wind chamber.
The utility model provides an air conditioning unit advances, return air section noise eliminator as shown in fig. 2-6, including air conditioning unit shell 1, air conditioning unit shell 1 is mixed section 2, first effect fillter section 3, fan section 4, well effect fillter section 5, air supply section 6 from a left side to the right side in proper order, and wherein a terminal surface and a side of mixed section 2 are equipped with fresh air inlet 8 and return air inlet 9 respectively, and a side of air supply section 6 is equipped with supply-air outlet 7, all install silencer device 10 in the space of mixed section 2 and the space of air supply section 6, silencer device 10 is connected to form by a plurality of silencer, and the concave position at the upper portion both ends of a plurality of silencer is beaten the bolt fastening through steel sheet 16, and the bottom of a plurality of silencer is beaten the bolt fastening through U shaped steel structure 15, and the silencer is beaten the noise elimination main part that comprises visor 13 interconnect and is installed in the last side of, The left and right sides of the guide cover 12, the silencing body is filled with sound absorption material 14.
The air supply opening 7 department of the fresh air inlet 8 of mixing section 2, return air inlet 9 and air supply section 6 all installs water conservancy diversion piece 11, water conservancy diversion piece 11 is the loudspeaker form, and the horn mouth of water conservancy diversion piece 11 is just to the silencer setting, and kuppe 12 mainly plays the air current water conservancy diversion, reduces the effect of air resistance. The air guide sleeve 12 can be made of stainless steel, titanium material, aluminum material and various carbon steel materials, is a hollow shell and has various shapes such as a hemisphere, a square, a cone, a wedge and the like. The size is determined according to the size of the silencer, the radius is 50-500mm, and the thickness is 1-10 mm. The facing 13 is a perforated plate structure, which mainly plays a role in protecting the sound-absorbing material. The protective surface can be made of stainless steel, titanium material, aluminum material and various carbon steel materials, the perforation rate is generally 23%, and the thickness is 0.8-10 mm. The connecting members (U-shaped steel structure 15 and steel plate 16) mainly play a role in supporting and fixing the silencing sheet and can be made of carbon steel, stainless steel and other materials. The sound absorbing material 14 mainly functions to absorb noise. The sound absorbing material 14 may be glass wool, rock wool, or other sound absorbing material.
The structure of the novel silencer is shown in figure 2, air flow enters the mixing section 2 of the air chamber from the fresh air inlet 8 and the return air inlet 9, and under the action of the fan set, the air quantity in the mixing section 2 is discharged after passing through the air inlet and return silencer. As shown by comparing fig. 1 and fig. 2, the novel air conditioning unit has directional noise reduction effect, and the noise of the return air inlet 9 and the fresh air inlet 8 can be reduced without being controlled by the noise of the air supply outlet 7. As shown in fig. 2 and 3, the silencer is arranged at the mixing section 2 between the fresh air inlet 8 and the return air inlet 9, the silencer has a special structure, the silencer is provided with a guide vane 11 structure at the positions of the fresh air inlet 8, the return air inlet 9 and the air supply outlet 7, and the sound absorption structure passes through the silencer under the action of the guide vane 11, so that most of air flow noise can be reduced, and finally the ventilation system device is completed under the action of the fan set.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.
Claims (6)
1. The utility model provides an air conditioning unit advances, return air section noise eliminator, includes air conditioning unit shell (1), air conditioning unit shell (1) is mixing section (2), primary filter section (3), fan section (4), intermediate filter section (5), air supply section (6) from a left side to the right side in proper order, and wherein a terminal surface and a side of mixing section (2) are equipped with fresh air inlet (8) and return air inlet (9) respectively, and a side of air supply section (6) is equipped with supply-air outlet (7), its characterized in that: all install silencer device (10) in the space of mixing section (2) and the space of air supply section (6), silencer device (10) are connected to form by a plurality of silencer, the concave position at the upper portion both ends of a plurality of silencer is beaten bolt fastening through steel sheet (16), bolt fastening is beaten through U shaped steel structure (15) in the bottom of a plurality of silencer, the silencer is by the noise elimination main part that spigot (13) interconnect is constituteed and install in the last side of noise elimination main part, the kuppe (12) of the side of controlling constitutes, the noise elimination main part intussuseption is filled with sound absorbing material (14).
2. The air conditioner set air inlet and return section silencing device of claim 1, characterized in that: and flow deflectors (11) are arranged at the fresh air inlet (8) and the return air inlet (9) of the mixing section (2) and the air supply outlet (7) of the air supply section (6).
3. The air conditioner set air intake and return section silencing device of claim 2, characterized in that: the flow deflector (11) is horn-shaped, and the horn mouth of the flow deflector (11) is arranged right opposite to the silencer.
4. The air conditioner set air inlet and return section silencing device of claim 1, characterized in that: the protective surface (13) is of a perforated plate structure.
5. The air conditioner set air inlet and return section silencing device of claim 1, characterized in that: the air guide sleeve (12) is made of stainless steel, titanium and aluminum materials, and the air guide sleeve (12) is a hollow shell and is hemispherical, square, conical or wedge-shaped.
6. The air conditioner set air inlet and return section silencing device of claim 1, characterized in that: the sound absorption material (14) is glass wool or rock wool.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920502440.5U CN209801747U (en) | 2019-04-15 | 2019-04-15 | Air conditioner set air inlet and return section silencing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920502440.5U CN209801747U (en) | 2019-04-15 | 2019-04-15 | Air conditioner set air inlet and return section silencing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209801747U true CN209801747U (en) | 2019-12-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920502440.5U Active CN209801747U (en) | 2019-04-15 | 2019-04-15 | Air conditioner set air inlet and return section silencing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209801747U (en) |
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2019
- 2019-04-15 CN CN201920502440.5U patent/CN209801747U/en active Active
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