CN106090522A - In acoustic filter sound absorber mounting structure and with the acoustic filter of this structure - Google Patents

In acoustic filter sound absorber mounting structure and with the acoustic filter of this structure Download PDF

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Publication number
CN106090522A
CN106090522A CN201610608325.7A CN201610608325A CN106090522A CN 106090522 A CN106090522 A CN 106090522A CN 201610608325 A CN201610608325 A CN 201610608325A CN 106090522 A CN106090522 A CN 106090522A
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CN
China
Prior art keywords
sound absorber
screw rod
guide groove
acoustic filter
housing
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.)
Granted
Application number
CN201610608325.7A
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Chinese (zh)
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CN106090522B (en
Inventor
方庆川
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.)
SHENZHEN ZHONGYA MECHANIC & ELECTRIC INDUSTRY Co Ltd
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SHENZHEN ZHONGYA MECHANIC & ELECTRIC INDUSTRY Co Ltd
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Priority to CN201610608325.7A priority Critical patent/CN106090522B/en
Publication of CN106090522A publication Critical patent/CN106090522A/en
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Publication of CN106090522B publication Critical patent/CN106090522B/en
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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L55/00Devices or appurtenances for use in, or in connection with, pipes or pipe systems
    • F16L55/02Energy absorbers; Noise absorbers
    • F16L55/033Noise absorbers

Abstract

A kind of fast demountable sound absorber and in the x, y direction can easy adjustment sound absorber position in acoustic filter sound absorber mounting structure and with the acoustic filter of this structure.It housing including acoustic filter, several sound absorbers being arranged in housing and for fixing several support components of sound absorber, being equipped with, on the top board of two ports and the medial surface of base plate, the guide groove that cross sectional shape is spill and horizontal expansion before and after housing, the two ends up and down of a support component are respectively placed in the guide groove of correspondence.The present invention can be in the case of all parts in guaranteeing acoustic filter be excellent, quick-replaceable sound absorber or adjust the spacing between sound absorber.When it can need the acoustics to this acoustic filter and aeroperformance to adjust according to on-site actual situations again, a support component has the advantage that especially prominent.It both can reduce equipment investment cost, can realize again on-the-spot quick assembling and install, guarantee the acoustics needed for acoustic filter and aeroperformance also by accurately debugging.

Description

In acoustic filter sound absorber mounting structure and with the acoustic filter of this structure
Technical field
The present invention relates to a kind of array type silencer, particularly to the space of a kind of sound absorber being beneficial in regulation acoustic filter The mounting structure of position and the array type silencer with this structure.
Background technology
After current ventilation silencer both domestic and external has once manufactured, its acoustics and aeroperformance determine the most substantially.Due to Being connected by steel skeleton attachment structure between its internal each parts, if the most arbitrarily changing, not only resulting in it Acoustics and aeroperformance change, and easily cause sound absorber to cause it to damage because dismantling, moving or collide.With array Acoustic filter is the formula acoustic filter of sound absorber side by side of representative, wherein, and spacing between adjacent sound absorber and sound absorber and ventilation duct If the distance between the inner walls in road changes, acoustics and the aeroperformance of this acoustic filter all can be changed.Complete machine is eliminated the noise Device is transported to use scene, and when needing to adjust it again, said structure is then given to adjust again and brought bigger difficulty.Or in the future Running in, when needing the sound absorber changing hydraulic performance decline or damage, the structure of existing acoustic filter just cannot realize.If Use the on-the-spot locus dismantling or changing sound absorber by force, then this Muffler Performance can be caused to decline, cause time serious and disappear Sound device damages and causes its inefficacy.
Therefore, the sound absorber position in the acoustic filter after dispatching from the factory cannot adjust, and if desired changes certain sound absorber therein Time, then need to transport whole acoustic filter back producer and be replaced, the most time-consuming, but also laborious and the most costly.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of fast demountable sound absorber and in the x, y direction can be light Regulation sound absorber position in acoustic filter sound absorber mounting structure and with the acoustic filter of this structure.
In order to solve above-mentioned technical problem, the technical solution used in the present invention is:
The mounting structure of sound absorber in array type silencer of the present invention, including the shell of this acoustic filter ventilation shaft Unsettled several sound absorbers being arranged in housing of body, main body and for fixing several support components of sound absorber, described It is equipped with, on the top board of two ports and the medial surface of base plate, the guide groove that cross sectional shape is spill and horizontal expansion before and after housing, Guide groove on top board is oppositely arranged with the opening of the guide groove on base plate, and the two ends up and down of described support component are respectively placed in correspondence In guide groove.
Described support component is made up of screw rod, several fastening assemblies and the keeper identical with fastening assembly quantity;Often Group fastening assembly is the top nut and lower nut being arranged on screw rod, and described keeper is by bedplate and is vertically fixed in bedplate On sleeve pipe constitute;The two ends up and down of described screw rod are inserted in respectively in the guide groove on top board and the guide groove on base plate and can the companies of taking The multiple sound absorbers being connected on this screw rod are fixedly connected on the front end of described sound absorber along this guide groove transverse shifting, described bedplate On face or rear end face, described casing pipe sleeve be connected on correspondence screw rod between described top nut and lower nut and by described sound absorption Body fixes the position that in the vertical direction sets.
Described support component is by positioning roof beam structure, screw rod, several fastening assemblies and the location identical with fastening assembly quantity Part is constituted;Described location roof beam structure respectively structure is identical with shape and cross sectional shape be spill strip rod member upper roof beam structure and under Roof beam structure, upper roof beam structure is embedded in corresponding guide groove respectively with lower beam frame, is provided with location hole on the bottom surface of location roof beam structure;Often group is tight Gu assembly is the top nut and lower nut being arranged on screw rod, described keeper is by bedplate and is vertically fixed on bedplate Sleeve pipe forms;The two ends up and down of described screw rod are inserted in the location hole on roof beam structure and lower beam frame respectively;Described bedplate is solid Surely being connected on front end face or the rear end face of described sound absorber, described casing pipe sleeve is connected on the screw rod of correspondence between described top nut And fix the position that in the vertical direction sets between lower nut and by described sound absorber.
The length adaptation of described upper roof beam structure and the length of lower beam frame with corresponding guide groove, is matched in clearance structure therebetween.
The location nut fixed by this screw rod it is additionally provided with at the both ends of described screw rod.
The length of described sleeve pipe is less than the height of described sound absorber.
The shape of described bedplate is identical with the end surface shape of sound absorber, or is flat board or for arc plate.
The array type silencer of the present invention, including housing and several sound absorbers being placed in this housing of ventilation shaft, Described housing is made up of main casing and the flange framework being arranged in main casing both ends of the surface;The two ends of main casing are unidirectional ring flange, flange Framework is two-way ring flange, and the inner flange dish on flange framework mates with described unidirectional ring flange, is bolted therebetween Connect;The guide groove in array type silencer in the mounting structure of sound absorber of the present invention and a support component are positioned at described flange On framework between top board and the base plate of outer flange dish.
In the array type silencer of the present invention, the width of described sound absorber end face × a height of (5cm-100m) × (5cm- 100m)。
Compared with prior art, the present invention is arranged by fixed at two ports of the housing of the ventilation shaft of array type silencer The support component that position roof beam structure, screw rod, several fastening assemblies and the keeper identical with fastening assembly quantity are constituted, wherein, tightly Gu the sound absorber being arranged in housing can be fixed together with screw rod by assembly with keeper, each fastening assembly and location Part correspondence connects a sound absorber, when needing to readjust this sound absorber position in vertical direction (i.e. Y-direction), unclamps Nut in fastening assembly, can make this sound absorber slide in vertical direction along this screw rod.The two ends up and down of every screw rod are inserted Enter the location hole positioning on roof beam structure is placed in the guide groove offered on top board and end medial surface, by the concrete position in hole, setting position Put, when can easily adjust the position on the multiple sound absorbers being connected on a screw rod (i.e. X-direction) in the horizontal direction.
The present invention can in the case of all parts in guaranteeing acoustic filter is excellent, quick-replaceable sound absorber or Adjust the spacing between sound absorber.The present invention is used to prop up the array type silencer of support component, when being transported to use scene, according to When on-site actual situations needs the acoustics to this acoustic filter and aeroperformance to adjust again, described support component has the advantage that Especially prominent.
The present invention is for initiate in the industry, and it both can reduce equipment investment cost, can realize again on-the-spot quick assembling and install, also may be used The acoustics needed for acoustic filter and aeroperformance is guaranteed by accurately debugging.
Accompanying drawing explanation
Fig. 1 is the support component diagram of the present invention.
Fig. 2 is a support component and the sound absorber connection diagram of the present invention.
Fig. 3 is the schematic diagram before the array type silencer assembling of the support component using the present invention.
Drawing reference numeral is as follows:
Acoustic filter 1, housing 2, main casing 21, flange framework 22, unidirectional ring flange 23, outer flange dish 24, inner flange dish 25, guide groove 26, sound absorber 3, kuppe 31, a support component 4, screw rod 41, fastening assembly 42, top nut 43, lower nut 44, location Part 5, bedplate 51, sleeve pipe 52, location nut 6, location roof beam structure 7, upper roof beam structure 71, lower beam frame 72, location hole 73.
Detailed description of the invention
Eliminate the noise as it is shown in figure 1, the mounting structure of sound absorber in array type silencer of the present invention is applicable to array Device 1 (hereinafter referred to as acoustic filter 1), its Main Function is for supporting several sound absorbers 3 being arranged in this acoustic filter 1 with light Pine adjusts that each sound absorber 3 is vertical or lateral attitude.
Described mounting structure includes the unsettled described sound absorption being arranged in housing of the housing 2 of acoustic filter ventilation shaft, main body Body 3 and for fixing several support components 4 of sound absorber.Described housing 2 is the hollow of rectangle for cross section, and it is by metallic plate Material manufactures.Its former and later two end faces are uncovered, use on the top board of its rear and front end (also referred to as port) and the medial surface of base plate Mould pressing process is provided with guide groove 26, and the cross sectional shape of guide groove 26 is spill and the two side ends extending laterally to top board or base plate, top board On the opening of guide groove 26 and the guide groove 26 on base plate be oppositely arranged, the two ends up and down of described support component are respectively placed in correspondence In guide groove 26.
The preferred following two of the present invention props up support component:
1, the first support component is: described support component 4 by the screw rod 41 of steel, several fastening assemblies 42 and with tightly Gu supporting several keepers 5 of assembly 42 quantity are constituted.
The length of described screw rod 41 and diameter depending on the clear height of the housing 2 of the ventilation shaft of described acoustic filter 1 and its born Sound absorber 3 weight depending on.The two ends up and down of screw rod 41 is insertable through the guide groove 26 in described housing 2 two-port In, this guide groove 26 is horizontally arranged, and its section is spill blind slot.
Described screw rod 41 can slide laterally along this guide groove 26 in this guide groove 26.It is fixed to be provided with at the both ends up and down of screw rod 41 Position nut 6, screws between top board and the base plate that screw rod 41 can be fixed on housing 2 by location nut 6.
Described fastening assembly 42 is the top nut 43 and lower nut 44 being screwed on screw rod 41.
Described keeper 5 is made by steel, and it is by integrally formed bedplate 51 and to be vertically provided at this bedplate 51 Sleeve pipe 52 on outer surface (direction away from housing 2 is outward, is interior towards the interior cavity direction of housing 2, lower same) forms, certainly, Also can be made up of with the sleeve pipe 52 with screw foot (not shown in FIG.) separately positioned bedplate 51, the shape of bedplate 51 with The shape adaptation of sound absorber 3 end face, can be plane, it is also possible to for arc surface, be provided with screw on bedplate 51.Described sleeve pipe The length of 52 is less than the height of described sound absorber 3, a length of 1cm-15cm of the preferred sleeve pipe of the present invention 52, the inwall of sleeve pipe 52 For shiny surface, its internal diameter is slightly larger than the external diameter of screw rod 41.
As in figure 2 it is shown, a support component 4 of the present invention and the connected mode of sound absorber 3 and sound absorber 3 are in vertically and horizontally side Upwards the control method of present position is as follows:
1) bedplate 51 on keeper 5 is fixed on two kuppe 31 ends before and after sound absorber 3 by bolt or screw On face, the sleeve pipe 52 on keeper 5 is socketed on screw rod 41 and between corresponding top nut 43 and lower nut 44.
2) simultaneously, tune the lower nut 44 connected with described sleeve pipe 52, this sound absorber 3 can be made to move down along this screw rod 41 Dynamic.
3) after this sound absorber 3 moves to the position set in vertical direction, by these sound absorber 3 two ends and described sleeve pipe The top nut 43 that 52 connect is screwed down, and can be fixed on by this sound absorber 3 on this screw rod 41, i.e. be locked in by this sound absorber 3 On set height.
4) when the multiple sound absorbers 3 on a certain screw rod 41 install in place after, loosen be arranged at determining of screw rod 41 upper and lower end parts Position nut 6, laterally urges this screw rod 41, and this screw rod 41 just can be made to take multiple sound absorber 3 along described guide groove 26 transverse shifting, when When moving to the position set in horizontal direction, screw described location nut 6 and pad, can be by described multiple sound absorbers 3 are locked on set lateral attitude.
2, the second props up support component 4 compared with the first support component 4, in addition to setting up location roof beam structure 7, and other parts and the A kind of support component 4 is identical.
Described location roof beam structure 2 has two, upper roof beam structure 71 that respectively structure is identical with shape and lower beam frame 72, positions roof beam structure 2 is the strip rod member that cross sectional shape is spill, can be the rod member of steel, it is also possible to be the section bar of aluminium alloy, at upper roof beam structure 71 With offer several through holes (also known as location hole 73) on the Baltimore groove bottom surface of lower beam frame 72, the screw rod 41 in this support component Two ends are inserted in the location hole 73 on roof beam structure 71 and lower beam frame 72 respectively up and down.
During assembling, described upper roof beam structure 71 is embedded at respectively with lower beam frame 72 in corresponding guide groove 26, upper roof beam structure 71 with under The length adaptation of the length of roof beam structure 72 and corresponding guide groove 26, the most identical, it is matched in clearance structure therebetween.By locking this Screw rod 41 in this support component 4 and sound absorber 3 can be fixed by the location nut 6 in support component 4.
The advantage of this structure is: the housing of acoustic filter ventilation shaft can be fabricated to standard component, i.e. arranges institute on housing 2 The guide groove 26 stated, then according to client's demand to acoustic filter width, manufactures location roof beam structure 7 standard component fitted mutually with its demand, On the roof beam structure 7 of location, location hole 73 is offered afterwards further according to the required distance between adjacent sound absorber.So, work can both have been improved Journey efficiency, can be arranged on defined location by design requirement by sound absorber again.
As it is shown on figure 3, use the array type silencer 1 of the mounting structure of the present invention by the housing 2 of ventilation shaft and to be placed in Several sound absorbers 3 in this housing 2 are constituted, and it is of the present invention that the port at described housing 2 two ends is provided with several side by side A support component 4 for sound absorber 3.
Described sound absorber 3 end face width × a height of (5cm-100m) × (5cm-100m), preferably end face is square, the length of side For 5cm-100m.
The leading section of described sound absorber 3 and rearward end are the kuppe 31 that metal material makes, the end face shape of kuppe 31 Shape is plane or arc surface.
Described housing 2 can be the bodily form housing being provided with described guide groove 26.
Currently preferred described housing 2 is made up of main casing 21 and the flange framework 22 being arranged at main casing 21 two ends.
The two ends of main casing 21 are unidirectional ring flange 23, and flange framework 22 is two-way ring flange, the inner side on flange framework 22 Ring flange 25 mates with described unidirectional ring flange 23, is bolted to connection therebetween;Described guide groove 26 is arranged at flange framework Near the position of outer flange dish 24 on 22.
The acoustic filter 1 of the present invention, when installing sound absorber 3, can select one in following two method and carry out:
1, when a described support component 4 is the first support component 4 aforementioned
1) first the many screw rods 41 with several fastening assemblies 42 are inserted in described guide groove 26 and push the one of housing to Side;
2) multiple sound absorbers 3 are locked in as stated above on the 1st screw rod 41 position set, afterwards, by the 1st spiral shell The opposite side of housing pushed to by bar 41;
3) again by above-mentioned the " 2) " point methods, the 2nd, 3 ... install sound absorption on the n quantity of screw rod 41 (n be) root screw rod 41 Body 3;
4) after installing all sound absorbers 3, more all screw rods 41 are put in place along the slip of described guide groove 26 and lock.
2, when a described support component 4 props up support component 4 for aforementioned the second
1) length the most on request makes upper roof beam structure 71 and the standard component of lower beam frame 72, will be with several fastening assemblies 42 The two ends up and down of many screw rods 41 insert respectively in the location hole 73 on roof beam structure 71 and lower beam frame 72;
2), after, upper roof beam structure 71 and lower beam frame 72 are embedded in the way of slightly inclined in the described guide groove 26 of correspondence;
3) multiple sound absorbers 3 are locked on corresponding screw rod 41 by preceding method the position set;
4) after installing all sound absorbers 3, then the location nut 6 on all screw rods 41 is locked.

Claims (9)

1. a mounting structure for sound absorber in array type silencer, including housing (2), the master of this acoustic filter ventilation shaft Unsettled several sound absorbers (3) being arranged in housing of body and for fixing several support components (4) of sound absorber, its feature Be: be equipped with on the top board of two ports and the medial surface of base plate before and after described housing (2) cross sectional shape be spill and The guide groove (26) of horizontal expansion, the guide groove (26) on top board is oppositely arranged with the opening of the guide groove (26) on base plate, described support The two ends up and down of assembly are respectively placed in the guide groove (26) of correspondence.
The mounting structure of sound absorber in array type silencer the most according to claim 1, it is characterised in that: described Support component (4) is by screw rod (41), several fastening assemblies (42) and keeper (5) structure identical with fastening assembly (42) quantity Become;Often organizing fastening assembly (42) is the top nut (43) and lower nut (44) being arranged on screw rod (41), described keeper (5) by Bedplate (51) and the sleeve pipe (52) being vertically fixed on bedplate (51) are constituted;The two ends up and down of described screw rod (41) are inserted respectively In guide groove (26) on the guide groove (26) being placed on top board and base plate and the multiple sound absorbers being connected on this screw rod (41) can be taken (3) along this guide groove (26) transverse shifting, described bedplate (51) is fixedly connected on front end face or the rear end face of described sound absorber (3) On, described sleeve pipe (52) be socketed in correspondence screw rod (41) between described top nut (43) and lower nut (44) and by institute State the position that the fixing in the vertical direction of sound absorber (3) sets.
The mounting structure of sound absorber in array type silencer the most according to claim 1, it is characterised in that: described Support component (4) is by location roof beam structure (7), screw rod (41), several fastening assemblies (42) and identical with fastening assembly (42) quantity Keeper (5) is constituted;Described location roof beam structure (7) is respectively that structure is identical with shape and cross sectional shape is the strip rod member of spill Upper roof beam structure (71) and lower beam frame (72), upper roof beam structure (71) is embedded at respectively with lower beam frame (72) in corresponding guide groove (26), fixed The bottom surface of position roof beam structure (7) is provided with location hole (73);Often organize fastening assembly (42) for be arranged on the top nut on screw rod (41) (43) and lower nut (44), described keeper (5) is by bedplate (51) and the sleeve pipe (52) that is vertically fixed on bedplate (51) Composition;The two ends up and down of described screw rod (41) are inserted in the location hole (73) on roof beam structure (71) and lower beam frame (72) respectively; Described bedplate (51) is fixedly connected on front end face or the rear end face of described sound absorber (3), and it is right that described sleeve pipe (52) is socketed in It is fixed on vertical side between described top nut (43) and lower nut (44) and by described sound absorber (3) on the screw rod (41) answered The position upwards set.
The mounting structure of sound absorber in array type silencer the most according to claim 3, it is characterised in that: on described The length adaptation of roof beam structure (71) and the length of lower beam frame (72) with corresponding guide groove (26), is matched in clearance structure therebetween.
5. according to the mounting structure of sound absorber in array type silencer according to any one of claim 2-4, its feature It is: be additionally provided with the location nut (6) fixed by this screw rod (41) at the both ends of described screw rod (41).
The mounting structure of sound absorber in array type silencer the most according to claim 5, it is characterised in that: described set The length of pipe (52) is less than the height of described sound absorber (3).
The mounting structure of sound absorber in array type silencer the most according to claim 5, it is characterised in that: the described end The shape of seat board (51) is identical with the end surface shape of sound absorber (3), or is flat board or for arc plate.
8. an array type silencer, including the housing (2) of ventilation shaft and several sound absorbers of being placed in this housing (2) (3), it is characterised in that: described housing (2) is by main casing (21) and flange framework (22) group that is arranged in main casing (21) both ends of the surface Become;The two ends of main casing (21) are unidirectional ring flange (23), and flange framework (22) is two-way ring flange, interior on flange framework (22) Side flange dish (25) mates with described unidirectional ring flange (23), is bolted to connection therebetween;In claim 1-7 arbitrary The guide groove (26) in array type silencer in the mounting structure of sound absorber and a support component described in Xiang are positioned at described flange Framework (22) is upper between top board and the base plate of outer flange dish (24).
Array type silencer the most according to claim 8, it is characterised in that: the width of described sound absorber (3) end face × a height of (5cm-100m) × (5cm-100m).
CN201610608325.7A 2016-07-28 2016-07-28 Mounting structure for sound absorber in silencer and the silencer with the structure Active CN106090522B (en)

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CN201610608325.7A CN106090522B (en) 2016-07-28 2016-07-28 Mounting structure for sound absorber in silencer and the silencer with the structure

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Application Number Priority Date Filing Date Title
CN201610608325.7A CN106090522B (en) 2016-07-28 2016-07-28 Mounting structure for sound absorber in silencer and the silencer with the structure

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CN106090522B CN106090522B (en) 2018-06-05

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107492369A (en) * 2017-09-21 2017-12-19 北京天润康隆科技股份有限公司 A kind of micropore rock beam series silencer

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201438023U (en) * 2009-05-05 2010-04-14 广东高新兴通信股份有限公司 Air outlet device for base station ventilation system
CN201696128U (en) * 2010-06-17 2011-01-05 长沙贝尔环保节能设备有限公司 Voice stream silencer
KR20120113397A (en) * 2011-04-05 2012-10-15 현대중공업 주식회사 Noise reduction structure of piping for hull
CN202675565U (en) * 2012-07-17 2013-01-16 四川正升声学科技有限公司 Movable sound elimination and noise reduction device
CN204055056U (en) * 2014-06-27 2014-12-31 上海电机学院 Multi-functional blackboard
CN205896542U (en) * 2016-07-28 2017-01-18 深圳中雅机电实业有限公司 A silencer that is arranged in silencer acoustic absorber's mounting structure and has this structure

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201438023U (en) * 2009-05-05 2010-04-14 广东高新兴通信股份有限公司 Air outlet device for base station ventilation system
CN201696128U (en) * 2010-06-17 2011-01-05 长沙贝尔环保节能设备有限公司 Voice stream silencer
KR20120113397A (en) * 2011-04-05 2012-10-15 현대중공업 주식회사 Noise reduction structure of piping for hull
CN202675565U (en) * 2012-07-17 2013-01-16 四川正升声学科技有限公司 Movable sound elimination and noise reduction device
CN204055056U (en) * 2014-06-27 2014-12-31 上海电机学院 Multi-functional blackboard
CN205896542U (en) * 2016-07-28 2017-01-18 深圳中雅机电实业有限公司 A silencer that is arranged in silencer acoustic absorber's mounting structure and has this structure

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107492369A (en) * 2017-09-21 2017-12-19 北京天润康隆科技股份有限公司 A kind of micropore rock beam series silencer

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