CN201819370U - Silencing device for air-cooled heat exchanger of central air conditioner - Google Patents
Silencing device for air-cooled heat exchanger of central air conditioner Download PDFInfo
- Publication number
- CN201819370U CN201819370U CN2010205570155U CN201020557015U CN201819370U CN 201819370 U CN201819370 U CN 201819370U CN 2010205570155 U CN2010205570155 U CN 2010205570155U CN 201020557015 U CN201020557015 U CN 201020557015U CN 201819370 U CN201819370 U CN 201819370U
- Authority
- CN
- China
- Prior art keywords
- heat exchanger
- cooling heat
- air cooling
- air
- thickness
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Abstract
The utility model discloses a silencing device for an air-cooled heat exchanger of a central air conditioner. The silencing device belongs to the field of silencing devices, and comprises an air-cooled heat exchanger, wherein air inlets and air outlets are arranged on the air-cooled heat exchanger, the air inlets are formed at the lower part of a side surface of the air-cooled heat exchanger, the air outlets are formed at the top of the air-cooled heat exchanger, the surface of the air-cooled heat exchanger is covered and surrounded by sound absorbing/insulating plates, and arc-shaped silencing tubes are arranged at the top of the air-cooled heat exchanger. The whole air-cooled heat exchanger is arranged in the silencing device; and as the basic structure, used material and manufacturing and installing methods of the silencing device are serialized and unified, the silencing device is convenient to popularize and highly practical and has excellent silencing effect.
Description
Technical field
The utility model relates to a kind of muffler, relates in particular to a kind of central air-conditioning air cooling heat exchanger silencing apparatus.
Background technology
At present, air cooling heat exchanger is the heat transmission equipment that is similar to water cooling heat exchanger or cooling tower in the central air conditioner system.Water cooling heat exchanger is by the heat exchange of water spray, and air cooling heat exchanger is that the heat that many group axial flow blower negative pressure exhausting are taken away in the cooler enters atmosphere to the top.In air cooling heat exchanger when operation,, noise has an obvious interference effect to neighbouring.The air cooling heat exchanger sound source mainly is the conjugation vibration sounding of top axle flow fan aerodynamic noise and blower fan and air cooling heat exchanger and coaming plate.The noise problem of this air cooling heat exchanger also do not have so far one can be supporting the noise reduction facility solve.
The utility model content
At above-mentioned the deficiencies in the prior art part, the purpose of this utility model is: a kind of central air-conditioning air cooling heat exchanger silencing apparatus is provided, the integral body of air cooling heat exchanger is placed silencing apparatus, its basic structure, use material, manufacturing installation method are the unified device of a cover seriation, be convenient to promote, it is effective to eliminate the noise, and practicality is good, can effectively solve the problem that above-mentioned prior art exists.
To achieve these goals, the technical solution adopted in the utility model is: disclose a kind of central air-conditioning air cooling heat exchanger silencing apparatus, it comprises air cooling heat exchanger, air cooling heat exchanger is provided with air inlet and exhaust outlet, described air inlet is located at the bottom, side of air cooling heat exchanger, exhaust outlet is located at the top of air cooling heat exchanger, and the appearance of air cooling heat exchanger encloses to cover the sound absorption and insulation plate, is provided with the arc hush tube at the top of air cooling heat exchanger.
As optimal way, described sound absorption and insulation plate is mainly by being positioned at outer field metal perforated plate and color steel filled board and being made up of the holding sheet that the sound absorption fibrous material is filled between the two.
Further, also be provided with in the described holding sheet and can keep the constant keel of the distance of hollow between metal perforated plate and the color steel filled board.
As one of alternatively's optimal way, wherein said sound absorption and insulation plate is the individual layer combined type, and the thickness of metal perforated plate is 0.5～0.75mm, and the thickness of color steel filled board is 0.75-1mm, and the thickness of holding sheet is 100mm.
As two of alternatively's optimal way, wherein said sound absorption and insulation plate is double-layer combined, and the thickness of metal perforated plate is 0.5～0.6mm, and the thickness of color steel filled board is 50～100mm, and the thickness of holding sheet is 100mm.
As one of alternatively's optimal way, toward the inclined-plane that has a down dip, air inlet is located at the below, inclined-plane for outward in the bottom, side of described air cooling heat exchanger.
As two of alternatively's optimal way, the bottom, side of described air cooling heat exchanger is that the lateral surface bottom is provided with uncovered boss, and air inlet is located at open-mouth.
As optimal way 1, described sound absorption and insulation plate is the individual layer combined type, and the thickness of metal perforated plate is 0.5～0.75mm, and the thickness of color steel filled board is 0.75-1mm, and the thickness of holding sheet is 100mm; Toward the inclined-plane that has a down dip, air inlet is located at the below, inclined-plane for outward in the bottom, side of described air cooling heat exchanger.
As optimal way, described sound absorption and insulation plate is double-layer combined, and the thickness of metal perforated plate is 0.5～0.6mm, and the thickness of color steel filled board is 50～100mm, and the thickness of holding sheet is 100mm; Toward the inclined-plane that has a down dip, air inlet is located at the below, inclined-plane for outward in the bottom, side of described air cooling heat exchanger.
As optimal way 3, described sound absorption and insulation plate is the individual layer combined type, and the thickness of metal perforated plate is 0.5～0.75mm, and the thickness of color steel filled board is 0.75-1mm, and the thickness of holding sheet is 100mm; The bottom, side of described air cooling heat exchanger is that the lateral surface bottom is provided with uncovered boss, and air inlet is located at open-mouth.
As optimal way 4, described sound absorption and insulation plate is double-layer combined, and the thickness of metal perforated plate is 0.5～0.6mm, and the thickness of color steel filled board is 50～100mm, and the thickness of holding sheet is 100mm; The bottom, side of described air cooling heat exchanger is that the lateral surface bottom is provided with uncovered boss, and air inlet is located at open-mouth.
Compared with prior art, the beneficial effect that this utility model is brought is: this utility model is simple and reasonable for structure, do not influence the performance of air feed, air draft and the air cooling heat exchanger usefulness of air cooling heat exchanger, need not transform its operating condition, can not influence maintenance, dismounting air cooling heat exchanger; Utilize sound absorption and insulation plate covering all around with air cooling heat exchanger, the air cooling heat exchanger resonance noise is decayed under silencing apparatus sound insulation effect significantly, its air draft aerodynamic noise is by the arc hush tube attenuation by absorption at silencing apparatus top, in addition, its air feed, air draft are not affected, and can obtain good environmental protection effect.Can use air cooling heat exchanger on average to reduce noise 20dB＜A〉more than, eliminate noise pollution, and whole silencing apparatus can be unified on form structure, can seriation on the specification.
Description of drawings
Fig. 1 is the schematic diagram of individual layer combined type for sound absorption and insulation plate in the utility model;
Fig. 2 is double-layer combined schematic diagram for sound absorption and insulation plate in the utility model;
Fig. 3 is the Facad structure schematic diagram of one of the utility model structure;
Fig. 4 is the side structure schematic diagram of one of the utility model structure;
Fig. 5 is two a Facad structure schematic diagram of the utility model structure;
Fig. 6 is two a side structure schematic diagram of the utility model structure.
The specific embodiment
Technique scheme of the present utility model and advantage thereof are not difficult to obtain to understand in depth from the detailed description and accompanying drawing of following selected embodiment.
The utility model is described in further detail below in conjunction with drawings and the specific embodiments.
Referring to accompanying drawing, this central air-conditioning air cooling heat exchanger silencing apparatus comprises air cooling heat exchanger 1, air cooling heat exchanger 1 is provided with air inlet 3 and exhaust outlet 4, described air inlet 3 is located at the bottom, side of air cooling heat exchanger 1, exhaust outlet 4 is located at the top of air cooling heat exchanger 1, the appearance of air cooling heat exchanger 1 encloses to cover sound absorption and insulation plate 5, is provided with arc hush tube 6 at the top of air cooling heat exchanger 1.
Concrete a kind of preferred implementation, described sound absorption and insulation plate 5 are mainly by being positioned at outer field metal perforated plate 51 and color steel filled board 53 and being made up of the holding sheet 52 that the sound absorption fibrous material is filled between the two.The unit weight of sound absorption fibrous material is 24 ~ 32 kilograms per cubic meter.Also be provided with in the described holding sheet 52 and can keep the constant keel 54 of hollow distance between metal perforated plate 51 and the color steel filled board 53.Described color steel filled board 53 can be cancelled during rearward for rigid face.
As shown in Figure 1, described sound absorption and insulation plate 5 is the individual layer combined type, and the thickness of metal perforated plate 51 is 0.5～0.75mm, and the thickness of color steel filled board 53 is 0.75-1mm, and the thickness of holding sheet 52 is 100mm.
As shown in Figure 2, described sound absorption and insulation plate 5 is double-layer combined, and the thickness of metal perforated plate 51 is 0.5～0.6mm, and the thickness of color steel filled board 53 is 50～100mm, and the thickness of holding sheet 52 is 100mm.
As Fig. 3, shown in Figure 4, toward the inclined-plane 21 that has a down dip, air inlet 3 is located at 21 belows, inclined-plane for outward in the bottom, side of described air cooling heat exchanger 1.
As Fig. 5, shown in Figure 6, the bottom, side of described air cooling heat exchanger 1 is that the lateral surface bottom is provided with uncovered 23 boss 22, and air inlet 3 is located at uncovered 23 places.
As optimal way 1, referring to Fig. 1, Fig. 3, Fig. 4, described sound absorption and insulation plate 5 is the individual layer combined type, and the thickness of metal perforated plate 51 is 0.5～0.75mm, and the thickness of color steel filled board 53 is 0.75-1mm, and the thickness of holding sheet 52 is 100mm; Toward the inclined-plane 21 that has a down dip, air inlet 3 is located at 21 belows, inclined-plane for outward in the bottom, side of described air cooling heat exchanger 1.Oise insulation factor 22dB＜A 〉; Acoustic absorptivity 0.99.
As optimal way 2, referring to Fig. 2, Fig. 3, Fig. 4, described sound absorption and insulation plate 5 is double-layer combined, and the thickness of metal perforated plate 51 is 0.5～0.6mm, and the thickness of color steel filled board 53 is 50～100mm, and the thickness of holding sheet 52 is 100mm; Toward the inclined-plane 21 that has a down dip, air inlet 3 is located at 21 belows, inclined-plane for outward in the bottom, side of described air cooling heat exchanger 1.Oise insulation factor 33dB＜A 〉; Acoustic absorptivity 0.99.
As optimal way 3, referring to Fig. 1, Fig. 5, Fig. 6, described sound absorption and insulation plate 5 is the individual layer combined type, and the thickness of metal perforated plate 51 is 0.5～0.75mm, and the thickness of color steel filled board 53 is 0.75-1mm, and the thickness of holding sheet 52 is 100mm; The bottom, side of described air cooling heat exchanger 1 is that the lateral surface bottom is provided with uncovered 23 boss 22, and air inlet 3 is located at uncovered 23 places.Oise insulation factor 22dB＜A 〉; Acoustic absorptivity 0.99.
As optimal way 4, referring to Fig. 2, Fig. 5, Fig. 6, described sound absorption and insulation plate 5 is double-layer combined, and the thickness of metal perforated plate 51 is 0.5～0.6mm, and the thickness of color steel filled board 53 is 50～100mm, and the thickness of holding sheet 52 is 100mm; The bottom, side of described air cooling heat exchanger 1 is that the lateral surface bottom is provided with uncovered 23 boss 22, and air inlet 3 is located at uncovered 23 places.Oise insulation factor 33dB＜A 〉; Acoustic absorptivity 0.99.
Concrete action principle is: the air cooling heat exchanger sound source mainly is the conjugation vibration sounding of top axle flow fan aerodynamic noise and blower fan and air cooling heat exchanger.
Under the axial flow blower swabbing action, the normal temperature air communication is crossed muffler plate and is imported in the air cooling heat exchanger 1, and the torrid zone is walked, and enters atmosphere by axial flow blower by top arc hush tube 6.Specifically, with sound absorption and insulation plate 5 all around covering with air cooling heat exchanger 1, bottom sound absorption and insulation plate 5 is configured to the lower resistance wind deflector, air from two sides or all around bottom sucks, in air cooling heat exchanger 1 after the heat exchange, under the effect of axial flow blower, after the sound absorption by sound absorption and insulation plate 5, the sound insulation, from top row's mouthful arc hush tube 6 to around discharging, its noise in air inlet 3 bottoms, exhaust outlet 4 tops are attenuated reduction; Air cooling heat exchanger 1 is enclosed fully to be covered, and the noise effect of being insulated against sound reduces.During use, air cooling heat exchanger 1 is placed in the device, the air cooling heat exchanger resonance noise is decayed under silencing apparatus sound insulation effect significantly; Its air draft aerodynamic noise is by arc hush tube 6 attenuations by absorption at silencing apparatus top, and overall noise is on average reduced to 20dB＜A 〉, and the air feed of air cooling heat exchanger 1, air draft be not affected, and can obtain good environmental protection effect.
More than central air-conditioning air cooling heat exchanger silencing apparatus provided by the utility model has been carried out detailed introduction, used specific case herein principle of the present utility model and embodiment are set forth, the explanation of above embodiment just is used for helping to understand structure of the present utility model and core concept thereof; Simultaneously, for one of ordinary skill in the art, according to thought of the present utility model, the part that all can change in specific embodiments and applications, in sum, this description should not be construed as restriction of the present utility model.To change of the present utility model and improvement will be possible, and can not exceed design and the scope that accessory claim can be stipulated.
Claims (9)
1. central air-conditioning air cooling heat exchanger silencing apparatus, comprise air cooling heat exchanger (1), air cooling heat exchanger (1) is provided with air inlet (3) and exhaust outlet (4), it is characterized in that: described air inlet (3) is located at the bottom, side of air cooling heat exchanger (1), exhaust outlet (4) is located at the top of air cooling heat exchanger (1), the appearance of air cooling heat exchanger (1) encloses to cover sound absorption and insulation plate (5), is provided with arc hush tube (6) at the top of air cooling heat exchanger (1).
2. central air-conditioning air cooling heat exchanger silencing apparatus according to claim 1 is characterized in that: described sound absorption and insulation plate (5) is mainly by being positioned at outer field metal perforated plate (51) and color steel filled board (53) and being made up of the holding sheet (52) that the sound absorption fibrous material is filled between the two.
3. central air-conditioning air cooling heat exchanger silencing apparatus according to claim 2 is characterized in that: also be provided with in the described holding sheet (52) and can keep the constant keel (54) of the distance of hollow between metal perforated plate (51) and the color steel filled board (53).
4. central air-conditioning air cooling heat exchanger silencing apparatus according to claim 3, it is characterized in that: described sound absorption and insulation plate (5) is the individual layer combined type, the thickness of metal perforated plate (51) is 0.5～0.75mm, the thickness of color steel filled board (53) is 0.75-1mm, and the thickness of holding sheet (52) is 100mm.
5. central air-conditioning air cooling heat exchanger silencing apparatus according to claim 3, it is characterized in that: described sound absorption and insulation plate (5) is for double-layer combined, the thickness of metal perforated plate (51) is 0.5～0.6mm, the thickness of color steel filled board (53) is 50～100mm, and the thickness of holding sheet (52) is 100mm.
6. central air-conditioning air cooling heat exchanger silencing apparatus according to claim 1 is characterized in that: toward the inclined-plane (21) that has a down dip, air inlet (3) is located at below, inclined-plane (21) for outward in the bottom, side of described air cooling heat exchanger (1).
7. central air-conditioning air cooling heat exchanger silencing apparatus according to claim 1 is characterized in that: the bottom, side of described air cooling heat exchanger (1) is that the lateral surface bottom is provided with the boss (22) of uncovered (23), and air inlet (3) is located at uncovered (23) and is located.
8. according to the described central air-conditioning air cooling heat exchanger of arbitrary claim silencing apparatus in claim 4 or 5, it is characterized in that: toward the inclined-plane (21) that has a down dip, air inlet (3) is located at below, inclined-plane (21) for outward in the bottom, side of described air cooling heat exchanger (1).
9. according to the described central air-conditioning air cooling heat exchanger of arbitrary claim silencing apparatus in claim 4 or 5, it is characterized in that: the bottom, side of described air cooling heat exchanger (1) is that the lateral surface bottom is provided with the boss (22) of uncovered (23), and air inlet (3) is located at uncovered (23) and is located.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205570155U CN201819370U (en) | 2010-10-12 | 2010-10-12 | Silencing device for air-cooled heat exchanger of central air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205570155U CN201819370U (en) | 2010-10-12 | 2010-10-12 | Silencing device for air-cooled heat exchanger of central air conditioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201819370U true CN201819370U (en) | 2011-05-04 |
Family
ID=43917321
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205570155U Expired - Fee Related CN201819370U (en) | 2010-10-12 | 2010-10-12 | Silencing device for air-cooled heat exchanger of central air conditioner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201819370U (en) |
-
2010
- 2010-10-12 CN CN2010205570155U patent/CN201819370U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201893227U (en) | Ventilation and denoising device used in ultra-high voltage converter transformer | |
| CN204834032U (en) | Matrix noise elimination equipment | |
| CN201199132Y (en) | Mechanical-draft cooling tower muffler | |
| CN201819581U (en) | Reverse tapered air guide type silencing device for cooling tower of central air-conditioning system | |
| CN201828165U (en) | Double-curve silencer for cooling tower | |
| CN201819370U (en) | Silencing device for air-cooled heat exchanger of central air conditioner | |
| CN201819582U (en) | Elbow type noise eliminating device of cooling tower of central air conditioner | |
| CN210773537U (en) | Large-scale cooling tower array silencer | |
| CN202348376U (en) | Mesh-shaped inner cylinder silencer | |
| CN203572259U (en) | Noise-abatement equipment for hyperbolic cooling tower in thermal power plant | |
| CN217029059U (en) | Novel automobile silencer | |
| CN201922180U (en) | Enclosed water-cooling silent diesel combustion engine welding work station | |
| CN201599955U (en) | Multi-ventilation double-heat exchange flat-plate solar heat collector | |
| CN208650939U (en) | A kind of automotive silencing cylinder with grillage | |
| CN211948975U (en) | Wall-clamped silencer | |
| CN210051009U (en) | Building energy-saving solar wall heating device | |
| CN201892436U (en) | Noise reduction device for cooling tower | |
| CN206116178U (en) | Transformer noise -absorbing denoising structure | |
| CN201018210Y (en) | Denoise system of square-cabinet power station | |
| CN207647610U (en) | A kind of sound attenuated enclosure of diesel generation sets | |
| CN206556223U (en) | Fresh air handling units impedance composite muffler | |
| CN201696128U (en) | Voice stream silencer | |
| CN205639098U (en) | Wide band silencer | |
| CN208349875U (en) | A kind of cooling tower noise reducing apparatus | |
| CN216620716U (en) | Mechanical draft cooling tower cooling efficiency improving device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110504 Termination date: 20121012 |