CN2364375Y - Silencer for hung air conditioner set - Google Patents

Silencer for hung air conditioner set Download PDF

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Publication number
CN2364375Y
CN2364375Y CN 98226045 CN98226045U CN2364375Y CN 2364375 Y CN2364375 Y CN 2364375Y CN 98226045 CN98226045 CN 98226045 CN 98226045 U CN98226045 U CN 98226045U CN 2364375 Y CN2364375 Y CN 2364375Y
Authority
CN
China
Prior art keywords
muffler
air conditioner
type air
ceiling type
conditioner unit
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
Application number
CN 98226045
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Chinese (zh)
Inventor
徐玉斌
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
YIXING AIR CONDITIONING EQUIPMENT PLANT WUXI CITY
Original Assignee
YIXING AIR CONDITIONING EQUIPMENT PLANT WUXI CITY
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by YIXING AIR CONDITIONING EQUIPMENT PLANT WUXI CITY filed Critical YIXING AIR CONDITIONING EQUIPMENT PLANT WUXI CITY
Priority to CN 98226045 priority Critical patent/CN2364375Y/en
Application granted granted Critical
Publication of CN2364375Y publication Critical patent/CN2364375Y/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model relates to a silencer for a suspending-installing type air conditioner set, wherein, an air outlet of a blower is provided with a resistant type box-shaped silencer; an inlet of the silencer is connected with the air outlet of a blower; the box walls are all made of high sound absorption materials; the center of an air flow path in a box is provided with a resonant vibration silencing chamber, and the resonant vibration silencing chamber has the structure that a hollow box body of which the cross section is rectangular is made of the high sound absorption materials; an air outlet of the silencer is arranged at the other end of the box-shaped silencer. A silencing suspending-installing type air conditioner set is formed by combining the utility model and the suspending-installing type air conditioner set.

Description

Ceiling type air conditioner unit muffler
The utility model relates to a kind of muffler of air-conditioning equipment of blowing in building, relate in particular to a kind of noise reduction ceiling type air conditioner unit equipment muffler and with the combination of air-conditioning unit.
Lift-on/lift-off type air quantity variable air conditioner unit (comprising two kinds of conventional type and ultrathin types) is the equipment that often uses in the civil buildings, and usually be installed in the position of no machine room, and civil buildings have strict and concrete requirement to noise, and the noise to the ceiling type air conditioner unit requires tighter under many circumstances.Present no special noise reduction ceiling type air conditioner unit, in order to solve the problem of noise, existing design is: muffling device is installed in the exit at the ceiling type air conditioner unit, owing to lack unified design, the structure of muffler is multifarious, therefore can influence erasure effect greatly; Another weak point is that the external form of muffler is generally excessive, and size does not match with the ceiling type air conditioner unit of reality, and the workload of installation is big, and installation difficulty is big; Also because some muffler is made complexity, expense is higher.In a word, if not at the characteristics configuration muffler of ceiling type air conditioner unit, difficulty gets a desired effect.
The purpose of this utility model provide a kind of at the ceiling type air conditioner unit characteristics and the muffler that disposes, and constitute composite set with ceiling type air conditioner, to reach a kind of simple in structure, good muffling effect, cost silencing means and composite set thereof low, easy for installation.
The purpose of this utility model is achieved in that a kind of ceiling type air conditioner unit muffler, it is characterized in that one resistance formula box muffler being set at the air outlet of blower fan, its import is connected with the air outlet of blower fan, tank wall is the high acoustic absorption material and makes, distinguished and admirable road central authorities are provided with the resonance silencing cavity in case, the structure of resonance silencing cavity be the cross section be rectangle and with the hollow box body of high sound-absorbing material, the muffler air outlet is at the other end of box.
Further improvement of the utility model is to be provided with the perforation muffler plate in the bight of casing, and the face facing to air-flow on the resonance noise reduction casing also is the perforation muffler plate.Especially with the utility model and ceiling type air conditioner unit combination just becoming noise reduction ceiling type air conditioner unit.
The utility model is a resistance formula muffler, distance between the import and export length of casing is shorter, but owing to there is resonance box to place therebetween, the noise reduction distance of air-flow is to import and export more than the twice of length, add set structures such as perforated plate in the muffler, the utlity model has following characteristics: with air-conditioning unit and the integrated installation of muffler,----require the little and most of antecurvature blower fans of blower fan adapted multiple wing----of size and make muffler and at the characteristics of ceiling type air conditioner unit, its volume is little, and length is 200-700mm only; Simple in structure, the material of use is few, and cost is low; Easy for installation, be specially adapted to the multi fan unit, air outlet only is one, only needs once mounting; Have erasure effect preferably, generally can reach the 12-16 decibel, thus the noise that guarantees air outlet below 55 decibels, actual measurement also shows so, and in the scope of broad frequency band erasure effect preferably arranged all, windage is moderate, shows after tested to be about 60-80Pa.This shows, the utlity model has better comprehensive performance, for the demand in market provides novel device.
The utility model is described in further detail below in conjunction with accompanying drawing with by embodiment:
Fig. 1 comprises the planar structure schematic diagram of combined hanging formula air-conditioning unit for the utility model
Fig. 2 is the cross section structure schematic diagram of Fig. 1
As shown in the figure, shell 1 is provided with return air inlet 4 among Fig. 1,2, surface cooler (heat exchanger or evaporimeter) 3 is housed near the return air inlet, the outlet of two typhoon machines 2 (the general antecurvature blower fan of adapted multiple wing) is connected with the air inlet 5 of muffler, tank wall 6 is the high acoustic absorption material and makes, and typical absorbing material is a mineral wool etc.Distinguished and admirable road central authorities are provided with resonance silencing cavity 7 in case, the structure of resonance silencing cavity be the cross section be rectangle and with the hollow box body of high sound-absorbing material, muffler air outlet 8 is at the other end of box.Be provided with perforation muffler plate 9 in the bight of muffler casing, face facing to air-flow on the resonance noise reduction casing also is perforation muffler plate 9, the perforation muffler plate has for low-frequency noise eliminates effect preferably, the frequency spectrum of neglecting noise greatly of perforation, wind speed etc. are determined, be generally several millimeters, high frequency noise then can better be eliminated for the high acoustic absorption material in the back side that is distributed as 3-5% left and right sides resonance box of aperture on area, and without perforated plate, the corner of resonance noise reduction casing is cut off, it is circular-arc to be that exocoel can be, resonance noise reduction box cavity is of a size of 150-250mm, present embodiment is got 100mm, the overall width of cavity is 300mm, and good result is also arranged, and total blast volume of the present utility model is 1000-6000 cubic meter/time.
The structure of the silencer that the ceiling type air conditioner unit of single blower fan or the parallel connection of many typhoons machine is used is said structure roughly the same also.General muffler only uses an air outlet.Air outlet can also be blown by an elbow again and be entered the room, and therefore better erasure effect can also be arranged.

Claims (6)

1. ceiling type air conditioner unit muffler, it is characterized in that one resistance formula box muffler being set at the air outlet of blower fan, its import is connected with the air outlet of blower fan, tank wall is the high acoustic absorption material and makes, distinguished and admirable road central authorities are provided with the resonance silencing cavity in case, the structure of resonance silencing cavity be the cross section be rectangle and with the hollow box body of high sound-absorbing material, the muffler air outlet is at the other end of box.
2. by the described ceiling type air conditioner unit of claim 1 muffler, it is characterized in that being provided with the perforation muffler plate in the bight of casing, the face facing to air-flow on the resonance noise reduction casing also is the perforation muffler plate.
3. by the described ceiling type air conditioner unit of claim 1 muffler, it is characterized in that the used silencer of ceiling type air conditioner unit of single blower fan or the parallel connection of many typhoons machine.
4. by the described ceiling type air conditioner unit of claim 1 muffler, it is characterized in that the aperture being distributed as about 3-5% on the area, the back side of resonance box then is the high acoustic absorption material.
5. by the described ceiling type air conditioner unit of claim 1 muffler, the external chamber of Sound Attenuator that it is characterized in that resonating can be circular-arc
6. by the described ceiling type air conditioner unit of claim 1 muffler, it is characterized in that air-conditioning unit and the integrated installation of muffler.
CN 98226045 1998-02-24 1998-02-24 Silencer for hung air conditioner set Expired - Fee Related CN2364375Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 98226045 CN2364375Y (en) 1998-02-24 1998-02-24 Silencer for hung air conditioner set

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 98226045 CN2364375Y (en) 1998-02-24 1998-02-24 Silencer for hung air conditioner set

Publications (1)

Publication Number Publication Date
CN2364375Y true CN2364375Y (en) 2000-02-16

Family

ID=33976621

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 98226045 Expired - Fee Related CN2364375Y (en) 1998-02-24 1998-02-24 Silencer for hung air conditioner set

Country Status (1)

Country Link
CN (1) CN2364375Y (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101595312B (en) * 2007-01-30 2012-03-07 松下电器产业株式会社 Fan with sound-muffling box
CN102536916A (en) * 2010-12-09 2012-07-04 贵州省鼓风机厂 High-flow ventilator silencer and manufacturing method thereof
CN104422112A (en) * 2013-09-11 2015-03-18 珠海格力电器股份有限公司 Air conditioner
CN104422111A (en) * 2013-09-11 2015-03-18 珠海格力电器股份有限公司 Silencing structure for air conditioner and air conditioner
CN106352516A (en) * 2016-10-31 2017-01-25 珠海格力电器股份有限公司 Variable air volume terminal and air conditioner
CN111946670A (en) * 2020-08-11 2020-11-17 绍兴华放新材料有限公司 T-shaped resistance micropore multi-combination exhaust silencer

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101595312B (en) * 2007-01-30 2012-03-07 松下电器产业株式会社 Fan with sound-muffling box
CN102536916A (en) * 2010-12-09 2012-07-04 贵州省鼓风机厂 High-flow ventilator silencer and manufacturing method thereof
CN104422112A (en) * 2013-09-11 2015-03-18 珠海格力电器股份有限公司 Air conditioner
CN104422111A (en) * 2013-09-11 2015-03-18 珠海格力电器股份有限公司 Silencing structure for air conditioner and air conditioner
CN106352516A (en) * 2016-10-31 2017-01-25 珠海格力电器股份有限公司 Variable air volume terminal and air conditioner
CN111946670A (en) * 2020-08-11 2020-11-17 绍兴华放新材料有限公司 T-shaped resistance micropore multi-combination exhaust silencer

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GR01 Patent grant
C19 Lapse of patent right due to non-payment of the annual fee
CF01 Termination of patent right due to non-payment of annual fee