CN206724445U - A kind of silencer for HVAC ventilating system - Google Patents
A kind of silencer for HVAC ventilating system Download PDFInfo
- Publication number
- CN206724445U CN206724445U CN201720464974.4U CN201720464974U CN206724445U CN 206724445 U CN206724445 U CN 206724445U CN 201720464974 U CN201720464974 U CN 201720464974U CN 206724445 U CN206724445 U CN 206724445U
- Authority
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- China
- Prior art keywords
- sound
- suppressor case
- blast pipe
- ventilating system
- absorbing
- 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
- 230000003584 silencer Effects 0.000 title claims abstract description 17
- 240000005528 Arctium lappa Species 0.000 claims abstract description 21
- 230000008030 elimination Effects 0.000 claims abstract description 15
- 238000003379 elimination reaction Methods 0.000 claims abstract description 15
- 238000009413 insulation Methods 0.000 claims abstract description 15
- 229920000742 Cotton Polymers 0.000 claims abstract description 10
- 239000011358 absorbing material Substances 0.000 claims abstract description 7
- 230000030279 gene silencing Effects 0.000 claims description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 5
- 210000004534 cecum Anatomy 0.000 claims description 3
- 238000004080 punching Methods 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims description 3
- 239000011505 plaster Substances 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 11
- 238000010521 absorption reaction Methods 0.000 abstract description 3
- 241000219146 Gossypium Species 0.000 description 8
- 238000009423 ventilation Methods 0.000 description 5
- 238000004378 air conditioning Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 241000132536 Cirsium Species 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000011490 mineral wool Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000035772 mutation Effects 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 230000000979 retarding effect Effects 0.000 description 1
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- Duct Arrangements (AREA)
Abstract
The utility model discloses a kind of silencer for HVAC ventilating system, including interior muffler, suppressor case and radiating fin, described suppressor case one end connects blast pipe, the blast pipe is arranged in the blast pipe pilot hole on sound gobo through the thermal insulation board other end inside suppressor case, and the blast pipe side between the thermal insulation board and sound gobo offers some exhaust vents；Suppressor case between the thermal insulation board and sound gobo is provided with heat exchange woven wire, is contacted on the outside of heat exchange woven wire with some radiating fins inlayed on suppressor case；It is easy to the hot gas that HVAC ventilating system is discharged being discharged into blast pipe, improves the radiating efficiency of the hot gas to the discharge of HVAC ventilating system, avoid hot gas from influenceing the erasure effect of suppressor case；The sound-absorbing material layer and sound-absorbing perforated plate of suppressor case inwall reduce noise, noise elimination cotton further eliminates the repercussions of noise, reaches the effect of noise elimination to wave absorption.
Description
Technical field
It the utility model is related to muffler technical field, specifically a kind of silencer for HVAC ventilating system.
Background technology
HVAC ventilating system is the important component of HVAC, because HVAC is responsible for indoor or in-car
The equipment of heating, ventilation and air adjustment, indoor temperature is controlled, improve indoor comfort degree, be medium-and-large-sized industrial building or office
An important ring in building, in occupation of important function in the fields such as pharmacy, electronics and oil gas or industry.
Current HVAC ventilating system refers to discharge the air in a region, avoids indoor gas from stagnating, and maintains
One of an important factor for IAQ, the mode of ventilation are generally force ventilation, are needing to protect or to purity requirements
Compare high room and typically use positive draft, exhaust ventilation is typically used in the room for needing to exclude peculiar smell or danger,
During ventilation parameters, during with the discharge pipe of air-conditioning by the hot air discharge of extraction, certain noise can be produced, has a strong impact on the life of people
It is living.Change air conditioner abnormal sound to cut down, the most frequently used measure is to install muffler on the discharge pipe of air-conditioning, utilizes device
Sound reflecting effect at acoustical behavior mutation in the duct, connects resonant cavity by unexpected expansion, contraction or the side of pipeline section, produces
Raw acoustic impedance mismatch, phenomena such as making the sound wave of some frequencies that reflection occur in the interface that acoustic impedance be mutated, interfere, so as to reach
The purpose of noise elimination.But the silencing cotton or sound-absorbing material inside existing muffler influence muffler when being impacted by hot gas
Performance muffler because the wavelength of sound wave or frequency can change with the change of temperature, due to the influence of temperature, often lead to
The noise reduction frequency dislocation of the design of muffler, so that muffler performance seriously reduces, therefore, it is necessary to one kind can reduce HVAC sky
The muffler that adjust the hot blast of ventilating system influences on erasure effect meets the requirement of air conditioner noises processing.
Utility model content
The purpose of this utility model is to provide a kind of silencer for HVAC ventilating system, to solve the above-mentioned back of the body
The problem of being proposed in scape technology.
To achieve the above object, the utility model provides following technical scheme：
A kind of silencer for HVAC ventilating system, including interior muffler, sound-absorbing perforated plate, blast pipe, noise elimination
Device housing and radiating fin, described suppressor case one end connect blast pipe, and the blast pipe is passed through inside suppressor case
The thermal insulation board other end is arranged in the blast pipe pilot hole on sound gobo, the blast pipe between the thermal insulation board and sound gobo
Side offers some exhaust vents；Suppressor case between the thermal insulation board and sound gobo is provided with heat exchange woven wire, changes
Contacted on the outside of thermometal silk screen with some radiating fins inlayed on suppressor case；Some lead is offered on the sound gobo
Discharge orifice, is provided with air guide channel in the suppressor case of the sound gobo opposite side, the silencer shell on the outside of the air guide channel
Sound-absorbing perforated plate is connected on internal wall, sound-absorbing perforates plate surface provided with the perforation of some sound-absorbings, the sound-absorbing perforated plate and silencer
Sound-absorbing material layer is filled with cavity between inner walls；Interior muffler, interior muffler are installed inside the air guide channel
Front end is provided with water conservancy diversion splitter, and interior muffler rear end connects discharge pipe, and discharge pipe is fixed on suppressor case, before the discharge pipe
End is located in interior muffler, and the discharge pipe side wall in interior muffler is provided with some fresh air inlets, interior on the outside of the discharge pipe
Noise elimination cotton is filled with muffler, some sound attenuation holes are offered in the interior muffler side wall.
As further program of the utility model：The mouth of pipe of the blast pipe outer end is welded with abutted flange disk.
As further program of the utility model：The blast pipe mouth of pipe in the blast pipe pilot hole is cecum.
As further program of the utility model：The sound-absorbing perforated plate is made of strong paper surface plaster slab, is inhaled
Sound perforation is 6~15mm of aperture circular hole, and the punching rate of sound-absorbing perforation plate surface is 25%.
As further program of the utility model：Silencing cavity is surrounded between the interior muffler and sound-absorbing perforated plate, is disappeared
Acoustic aperture connects with silencing cavity, silencing cavity connection air guide channel.
As further program of the utility model：The suppressor case is by upper shell, lower house and installed in upper casing
Sealing gasket composition between body and lower house, is fixedly connected between upper shell and lower house by way of welding.
Compared with prior art, the beneficial effects of the utility model are：It is described a kind of for HVAC ventilating system
Silencer, it is reasonable in design, it is easy to assembly quick, it is easy to the hot gas that HVAC ventilating system is discharged being discharged into blast pipe,
The radiating efficiency of the hot gas to the discharge of HVAC ventilating system is improved, avoids hot gas from influenceing the erasure effect of suppressor case；
The sound-absorbing material layer and sound-absorbing perforated plate of suppressor case inwall reduce noise, noise elimination cotton is further by noise to wave absorption
Repercussions eliminate, reach the effect of noise elimination, erasure effect is obvious.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the structural representation of sound gobo in the utility model.
Fig. 3 is the structural representation of sound-absorbing perforated plate in the utility model.
Fig. 4 is the structural representation of suppressor case in the utility model.
In figure：1- discharge pipes, 2- fresh air inlets, 3- noise elimination cottons, muffler in 4-, 5- sound-absorbing material layers, 6- sound-absorbings perforated plate,
7- pod apertures, 8- exhaust vents, 9- thermal insulation boards, 10- blast pipes, 11- abutted flanges disk, 12- suppressor cases, 13- heat exchange metals
Silk screen, 14- radiating fins, 15- sound gobos, 16- air guide channels, 17- water conservancy diversion splitter, 18- silencing cavities, 19- sound attenuation holes, 20-
Blast pipe pilot hole, the perforation of 21- sound-absorbings, 22- upper shells, 23- sealing gaskets, 24- lower houses.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belong to the scope of the utility model protection.
Refer to Fig. 1~4, in the utility model embodiment, a kind of silencer for HVAC ventilating system, including
Interior muffler 4, sound-absorbing perforated plate 6, blast pipe 10, suppressor case 12 and radiating fin 14, described one end of suppressor case 12
Blast pipe 10 is connected, the mouth of pipe of the outer end of blast pipe 10 is welded with abutted flange disk 11, is easy to the mouth of pipe and sky of the outer end of blast pipe 10
The discharge pipe connection of tune, blast pipe 10 is discharged into by the hot gas that HVAC ventilating system is discharged；The blast pipe 10, which passes through, eliminates the noise
The other end of thermal insulation board 9 inside device housing 12 is arranged in the blast pipe pilot hole 20 on sound gobo 15, the blast pipe dress
The mouth of pipe of blast pipe 10 in distribution 20 is cecum, and the side of blast pipe 10 between the thermal insulation board 9 and sound gobo 15 offers
Some exhaust vents 8, hot gas in blast pipe 10 is facilitated to discharge；Suppressor case 12 between the thermal insulation board 9 and sound gobo 15
Provided with heat exchange woven wire 13, the outside of heat exchange woven wire 13 connects with some radiating fins 14 inlayed on suppressor case 12
Touch, after in the suppressor case 12 that hot gas is discharged between thermal insulation board 9 and sound gobo 15, heat exchange woven wire 13 is sent out with hot gas
Heat is exchanged and conducted heat on some radiating fins 14, and some radiating fins 14 outwards distribute heat, is improved to warm
The radiating efficiency of the hot gas of logical air conditioner ventilating system discharge.
Some pod apertures 7, the suppressor case 12 of the opposite side of sound gobo 15 are offered on the sound gobo 15
Interior to be provided with air guide channel 16, some pod apertures 7 connect air guide channels 16, in the suppressor case 12 in the outside of air guide channel 16
Sound-absorbing perforated plate 6 is connected on wall, the surface of sound-absorbing perforated plate 6 is provided with some sound-absorbings perforation 21, and the sound-absorbing perforated plate 6 is using high-strength
Degree Thistle board is made, the circular hole that sound-absorbing perforation 21 is 6~15mm of aperture, and the punching rate on the surface of sound-absorbing perforated plate 6 is 25%,
Attracting performance is superior, fire protection flame retarding；Sound-absorbing is filled with cavity between sound-absorbing perforated plate 6 and suppressor case 12 inwall
Material layer 5, sound-absorbing material layer 5 are good using bulk porous mineral wool, sound-absorbing effect.
Interior muffler 4 is installed, the interior front end of muffler 4 is provided with water conservancy diversion splitter 17, interior noise reduction inside the air guide channel 16
The rear end of device 4 connects discharge pipe 1, and discharge pipe 1 is fixed on suppressor case 12, and the front end of discharge pipe 1 is located in interior muffler 4
Interior, the side wall of discharge pipe 1 in interior muffler 4 is provided with some fresh air inlets 2, is filled in the interior muffler 4 in the outside of discharge pipe 1
There is noise elimination cotton 3, noise elimination cotton 3 is in cotton-shaped glass fibre noise elimination cotton using the processing method manufacture blowed and fused, prevents fires, be moistureproof, thoroughly
Gas is functional, easily processes, and performance muffler is good.
Some sound attenuation holes 19 are offered in the side wall of interior muffler 4, are surrounded between interior muffler 4 and sound-absorbing perforated plate 6
Silencing cavity 18, sound attenuation hole 19 connect with silencing cavity 18, and silencing cavity 18 connects air guide channel 16.
The suppressor case 12 is by upper shell 22, lower house 24 and close between upper shell 22 and lower house 24
Packing 23 forms, and is fixedly connected between upper shell 22 and lower house 24 by way of welding.
Operation principle of the present utility model is：A kind of silencer for HVAC ventilating system, structure design
Rationally, it is easy to assembly quick, realized by the abutted flange disk 11 of the mouth of pipe of the outer end of blast pipe 10 and be connected with the discharge pipe of air-conditioning,
It is easy to the hot gas that HVAC ventilating system is discharged being discharged into blast pipe 10, hot gas is discharged between thermal insulation board 9 and sound gobo 15
Suppressor case 12 in after, heat exchange woven wire 13 and hot gas occur heat exchange and conduct heat to some radiating fins 14
On, some radiating fins 14 outwards distribute heat, improve the radiating efficiency of the hot gas to the discharge of HVAC ventilating system, keep away
Exempting from hot gas influences the erasure effect of suppressor case 12；Then gas enters air guide channel 16 by pod apertures 7, and is split by water conservancy diversion
Enter silencing cavity 18 after the shunting of point 17, sound wave reverberates in air guide channel 16 and silencing cavity 18, the suction of the inwall of suppressor case 12
Sound material layer 5 and sound-absorbing perforated plate 6 reduce noise, then air-flow enters interior muffler 4 by sound attenuation hole 19 to wave absorption
Interior, noise elimination cotton 3 further eliminates the repercussions of noise, reaches the effect of noise elimination, and last air-flow passes through fresh air inlet 2 from discharge pipe 1
Discharge, erasure effect are obvious.
It is obvious to a person skilled in the art that the utility model is not limited to the details of above-mentioned one exemplary embodiment, and
And in the case of without departing substantially from spirit or essential attributes of the present utility model, it can realize that this practicality is new in other specific forms
Type., it is necessary to illustrate in the description of this specification, unless otherwise clearly defined and limited, term " setting ", " connected "
And " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or it is integrally connected；Can be with
It is to be joined directly together, can also be indirectly connected by intermediary, can is the connection of two element internals.For the general of this area
For logical technical staff, the concrete meaning of above-mentioned term in the present invention can be understood with concrete condition.
Therefore, no matter from the point of view of which point, embodiment all should be regarded as exemplary, and is nonrestrictive, sheet
The scope of utility model is limited by appended claims rather than described above, it is intended that will fall equally in claim
All changes in the implication and scope of part are included in the utility model.Any reference in claim should not be regarded
To limit involved claim.
Moreover, it will be appreciated that although the present specification is described in terms of embodiments, not each embodiment is only wrapped
Containing an independent technical scheme, this narrating mode of specification is only that those skilled in the art should for clarity
Using specification as an entirety, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
It is appreciated that other embodiment.
Claims (6)
1. a kind of silencer for HVAC ventilating system, including interior muffler (4), sound-absorbing perforated plate (6), blast pipe
(10), suppressor case (12) and radiating fin (14), it is characterised in that described suppressor case (12) one end connects blast pipe
(10), the blast pipe (10) is arranged on sound gobo (15) through internal thermal insulation board (9) other end of suppressor case (12)
On blast pipe pilot hole (20) in, blast pipe (10) side between the thermal insulation board (9) and sound gobo (15) offers
Some exhaust vents (8)；Suppressor case (12) between the thermal insulation board (9) and sound gobo (15) is provided with heat exchange woven wire
(13), contacted on the outside of heat exchange woven wire (13) with some radiating fins (14) inlayed on suppressor case (12)；It is described to disappear
Some pod apertures (7) are offered on sound dividing plate (15), are provided with the suppressor case (12) of sound gobo (15) opposite side
Air guide channel (16), sound-absorbing perforated plate (6), sound-absorbing are connected on suppressor case (12) inwall on the outside of the air guide channel (16)
Perforated plate (6) surface is provided with some sound-absorbings perforation (21), between the sound-absorbing perforated plate (6) and suppressor case (12) inwall
Sound-absorbing material layer (5) is filled with cavity；Interior muffler (4) is installed, before interior muffler (4) inside the air guide channel (16)
End is provided with water conservancy diversion splitter (17), interior muffler (4) rear end connection discharge pipe (1), and discharge pipe (1) is fixed on suppressor case (12)
On, discharge pipe (1) front end is located in interior muffler (4), and the discharge pipe (1) in interior muffler (4) is if side wall is provided with
Dry fresh air inlet (2), noise elimination cotton (3), interior muffler (4) side are filled with the interior muffler (4) on the outside of the discharge pipe (1)
Some sound attenuation holes (19) are offered on wall.
A kind of 2. silencer for HVAC ventilating system according to claim 1, it is characterised in that the air intake
The mouth of pipe of pipe (10) outer end is welded with abutted flange disk (11).
A kind of 3. silencer for HVAC ventilating system according to claim 1, it is characterised in that the air intake
Blast pipe (10) mouth of pipe in pipe pilot hole (20) is cecum.
A kind of 4. silencer for HVAC ventilating system according to claim 1, it is characterised in that the sound-absorbing
Perforated plate (6) is made of strong paper surface plaster slab, sound-absorbing perforation (21) be 6~15mm of aperture circular hole, sound-absorbing perforated plate
(6) punching rate on surface is 25%.
5. a kind of silencer for HVAC ventilating system according to claim 1, it is characterised in that disappear in described
Silencing cavity (18) is surrounded between sound device (4) and sound-absorbing perforated plate (6), sound attenuation hole (19) connects with silencing cavity (18), silencing cavity
(18) air guide channel (16) is connected.
A kind of 6. silencer for HVAC ventilating system according to claim 1, it is characterised in that the noise elimination
Device housing (12) is by upper shell (22), lower house (24) and the sealing gasket between upper shell (22) and lower house (24)
(23) form, be fixedly connected between upper shell (22) and lower house (24) by way of welding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720464974.4U CN206724445U (en) | 2017-04-28 | 2017-04-28 | A kind of silencer for HVAC ventilating system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720464974.4U CN206724445U (en) | 2017-04-28 | 2017-04-28 | A kind of silencer for HVAC ventilating system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206724445U true CN206724445U (en) | 2017-12-08 |
Family
ID=60507735
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720464974.4U Expired - Fee Related CN206724445U (en) | 2017-04-28 | 2017-04-28 | A kind of silencer for HVAC ventilating system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206724445U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108428443A (en) * | 2018-03-29 | 2018-08-21 | 连云港市宏庆电力辅机开发有限公司 | Muffler |
| CN109373096A (en) * | 2018-10-16 | 2019-02-22 | 轩重建筑节能科技（上海）有限公司 | A kind of hush pipe for building road |
| CN109520114A (en) * | 2018-11-12 | 2019-03-26 | 吉林建筑大学 | A kind of silencing apparatus for Heating,Ventilating and Air Conditioning ventilating system |
| CN111059752A (en) * | 2019-07-05 | 2020-04-24 | 青岛海信日立空调系统有限公司 | Air duct machine |
| CN111780398A (en) * | 2020-06-12 | 2020-10-16 | 江苏亚星波纹管有限公司 | Volute-simulated type noise elimination and ventilation device and using method thereof |
| CN112212497A (en) * | 2020-09-29 | 2021-01-12 | 东南大学 | Ultra-wideband ventilation silencer |
| CN114608107A (en) * | 2022-03-25 | 2022-06-10 | 无锡北大建筑工程有限公司 | Assembly type green building wall component |
-
2017
- 2017-04-28 CN CN201720464974.4U patent/CN206724445U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108428443A (en) * | 2018-03-29 | 2018-08-21 | 连云港市宏庆电力辅机开发有限公司 | Muffler |
| CN108428443B (en) * | 2018-03-29 | 2023-09-22 | 连云港市宏庆电力辅机开发有限公司 | Silencer (muffler) |
| CN109373096A (en) * | 2018-10-16 | 2019-02-22 | 轩重建筑节能科技（上海）有限公司 | A kind of hush pipe for building road |
| CN109520114A (en) * | 2018-11-12 | 2019-03-26 | 吉林建筑大学 | A kind of silencing apparatus for Heating,Ventilating and Air Conditioning ventilating system |
| CN111059752A (en) * | 2019-07-05 | 2020-04-24 | 青岛海信日立空调系统有限公司 | Air duct machine |
| CN111059753A (en) * | 2019-07-05 | 2020-04-24 | 青岛海信日立空调系统有限公司 | Air duct machine |
| CN111780398A (en) * | 2020-06-12 | 2020-10-16 | 江苏亚星波纹管有限公司 | Volute-simulated type noise elimination and ventilation device and using method thereof |
| CN112212497A (en) * | 2020-09-29 | 2021-01-12 | 东南大学 | Ultra-wideband ventilation silencer |
| CN114608107A (en) * | 2022-03-25 | 2022-06-10 | 无锡北大建筑工程有限公司 | Assembly type green building wall component |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180724 Address after: 528300 one of the new century agricultural demonstration bases in Longjiang Town, Shunde District, Foshan, Guangdong. Patentee after: ZHONGMIN CONTAINER HOTEL Co.,Ltd. Address before: 413000 No. 518 Yingbin East Road, Heshan District, Yiyang City, Hunan Province Patentee before: Hunan City University |
|
| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171208 |
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| CF01 | Termination of patent right due to non-payment of annual fee |