CN202532678U - Silencer air-return inlet system with sound absorption wedges - Google Patents
Silencer air-return inlet system with sound absorption wedges Download PDFInfo
- Publication number
- CN202532678U CN202532678U CN2012201971983U CN201220197198U CN202532678U CN 202532678 U CN202532678 U CN 202532678U CN 2012201971983 U CN2012201971983 U CN 2012201971983U CN 201220197198 U CN201220197198 U CN 201220197198U CN 202532678 U CN202532678 U CN 202532678U
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- CN
- China
- Prior art keywords
- sound
- sound absorption
- air
- absorbing wedge
- inlet system
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- 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
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Abstract
Provided is a silencer air-return inlet system with sound absorption wedges. The silencer air-return inlet system with the sound absorption wedges comprises an air return pipe and the sound absorption wedges. The sound absorption wedges are arranged on an inner pipe wall of the air-return pipe symmetrically, wedge tops of the sound absorption wedges are arranged to be staggered, the sound absorption wedges are isosceles acute triangles, vertex angles of the sound absorption wedges form the wedge tops, acute sides of the sound absorption wedges are arranged on windward sides of the air-return pipes, and the sound absorption wedges are made of thin mipor corrosion resistant plates and/or thin mipor aluminum alloy plates. The silencer air-return inlet system with the sound absorption wedges further comprises an air pipe which is butted and communicated with the air-return pipe on an air-return opening of the air-return pipe, and the sound absorption wedges are arranged on an inner pipe wall of the air pipe symmetrically. The silencer air-return inlet system with the sound absorption wedges can effectively solve the problems that a diameter of an air-return pipe is small, wind speed is high and noise is large in technical interlayer.
Description
Technical field
The utility model relates to the technical field of construction of cleaning project, relates in particular to a kind of silencing means return air inlet system that has the sound-absorbing wedge that is used for clean operating room.
Background technology
In the construction of clean operating room, the difficult processing of the index of noise treatment.And generation of noise mainly causes by wind speed is too fast.Clean operating room is when design and construction; All to leave the technological interlayer of certain size; And that Construction Party and design side hope to try one's best in area that technological interlayer takies and space is smaller; Backwind tube caliber when this has just caused construction may diminish, and the backwind tube caliber diminishes and just means that wind speed will accelerate, and noise can strengthen.
The utility model content
The purpose of the utility model is to design a kind of novel silencing means return air inlet system that has the sound-absorbing wedge, addresses the above problem.
To achieve these goals, the technical scheme of the utility model employing is following:
A kind of silencing means return air inlet system that has the sound-absorbing wedge comprises backwind tube and sound-absorbing wedge, is arranged with the sound-absorbing wedge on the inner tubal wall of said backwind tube, and the splitter of the said sound-absorbing wedge that is oppositely arranged shifts to install.
Said sound-absorbing wedge is an isosceles acute triangle, and its drift angle forms said splitter, and its sharp edge is positioned on the windward side of said backwind tube.
Said sound-absorbing wedge is made by the corrosion resistant plate of thin plate micropore and/or the aluminium alloy plate of thin plate micropore.
Also comprise airduct, said airduct and said backwind tube are docked and connected at the return air inlet place of said backwind tube, and said airduct is near also being arranged with the sound-absorbing wedge on the inner tubal wall of said return air inlet.
Said backwind tube is a L type bending backwind tube, and said backwind tube comprises preceding straight tube, back straight tube and bend pipe, and said preceding straight tube is docked and connected through said bend pipe and said back straight tube, and said sound-absorbing wedge is arranged on the inner tubal wall of said preceding straight tube and said back straight tube.
The utility model reaches a part (position of before install in the air port, being convenient to construct) that connects return air inlet place airduct in return air inlet, some groups of erasure effects sound-absorbing wedge preferably is installed relatively.The sound-absorbing wedge adopts trigone to make.The sound-absorbing wedge adopts the corrosion resistant plate of thin plate micropore and aluminium alloy plate to make.Can adopt during installation up and down to dress or about to the dress formula, last group when installing with the one group of dislocation in back, leg-of-mutton sharp edge is positioned at the windward side.
The beneficial effect of the utility model can be summed up as follows:
1, the utility model is through providing a kind of silencing means return air inlet that has the sound-absorbing wedging type, can solve effectively that little technological interlayer return air caliber is little, the too high big problem of noise that has of demeanour.
2, the utility model is simple in structure, and is cheap for manufacturing cost.
Description of drawings
Fig. 1 is the structural representation of the utility model.
The specific embodiment
Clearer for technical problem, technical scheme and beneficial effect that the utility model is solved, below in conjunction with accompanying drawing and embodiment, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explanation the utility model, and be not used in qualification the utility model.
A kind of silencing means return air inlet system that has the sound-absorbing wedge as shown in Figure 1; Comprise that backwind tube 1, airduct are (owing to be the content of prior art; Therefore not shown) and sound-absorbing wedge 2, being arranged with sound-absorbing wedge 2 on the inner tubal wall of said backwind tube 1, said sound-absorbing wedge 2 is an isosceles acute triangle; Its drift angle forms splitter, and its sharp edge is positioned on the windward side of said backwind tube 1; Said sound-absorbing wedge 2 is made by the corrosion resistant plate of thin plate micropore and/or the aluminium alloy plate of thin plate micropore, and the splitter of the said sound-absorbing wedge 2 that is oppositely arranged shifts to install.Said airduct and said backwind tube 1 are docked and connected at return air inlet 6 places of said backwind tube 1, and said airduct is near also being arranged with sound-absorbing wedge 2 on the inner tubal wall of said return air inlet 6; Said backwind tube 1 is a L type bending backwind tube 1; Said backwind tube 1 comprises preceding straight tube 3, back straight tube 5 and bend pipe 4; Straight tube 3 is docked and connected through said bend pipe 4 and said back straight tube 5 before said, and said sound-absorbing wedge 2 is arranged on the inner tubal wall of said preceding straight tube 3 and said back straight tube 5.
When the high velocity air of exhausting formation passes through from backwind tube 1; High velocity air flows through between the said sound-absorbing wedge 2 that misplaces and be oppositely arranged; Because by the be made sound absorption of the micropore on the said sound-absorbing wedge 2 of the aluminium alloy plate of the corrosion resistant plate of thin plate micropore and/or thin plate micropore, make the noise that forms by micropore a large amount of recovery and weaken or disappear.
More than through the detailed description of concrete and preferred embodiment the utility model; But those skilled in the art should be understood that; The utility model is not limited to the above embodiment; All within the spirit and principle of the utility model, any modification of being done, be equal to replacement etc., all should be included within the protection domain of the utility model.
Claims (5)
1. silencing means return air inlet system that has the sound-absorbing wedge, it is characterized in that: comprise backwind tube and sound-absorbing wedge, be arranged with the sound-absorbing wedge on the inner tubal wall of said backwind tube, the splitter of the said sound-absorbing wedge that is oppositely arranged shifts to install.
2. the silencing means return air inlet system that has the sound-absorbing wedge according to claim 1, it is characterized in that: said sound-absorbing wedge is an isosceles acute triangle, and its drift angle forms said splitter, and its sharp edge is positioned on the windward side of said backwind tube.
3. the silencing means return air inlet system that has the sound-absorbing wedge according to claim 1 is characterized in that: said sound-absorbing wedge is made by the corrosion resistant plate of thin plate micropore and/or the aluminium alloy plate of thin plate micropore.
4. the silencing means return air inlet system that has the sound-absorbing wedge according to claim 1; It is characterized in that: also comprise airduct; Said airduct and said backwind tube are docked and connected at the return air inlet place of said backwind tube, and said airduct is near also being arranged with the sound-absorbing wedge on the inner tubal wall of said return air inlet.
5. according to one of any described silencing means return air inlet system that has the sound-absorbing wedge of claim 1 to 4; It is characterized in that: said backwind tube is a L type bending backwind tube; Said backwind tube comprises preceding straight tube, back straight tube and bend pipe; Straight tube is docked and connected through said bend pipe and said back straight tube before said, and said sound-absorbing wedge is arranged on the inner tubal wall of said preceding straight tube and said back straight tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201971983U CN202532678U (en) | 2012-05-04 | 2012-05-04 | Silencer air-return inlet system with sound absorption wedges |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201971983U CN202532678U (en) | 2012-05-04 | 2012-05-04 | Silencer air-return inlet system with sound absorption wedges |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202532678U true CN202532678U (en) | 2012-11-14 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012201971983U Expired - Fee Related CN202532678U (en) | 2012-05-04 | 2012-05-04 | Silencer air-return inlet system with sound absorption wedges |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202532678U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103383139A (en) * | 2012-05-04 | 2013-11-06 | 赵阿萌 | Air return port system with acoustic absorption wedges of silencer |
| CN104296340A (en) * | 2014-11-04 | 2015-01-21 | 沈阿宝 | Silencing duct |
-
2012
- 2012-05-04 CN CN2012201971983U patent/CN202532678U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103383139A (en) * | 2012-05-04 | 2013-11-06 | 赵阿萌 | Air return port system with acoustic absorption wedges of silencer |
| CN104296340A (en) * | 2014-11-04 | 2015-01-21 | 沈阿宝 | Silencing duct |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Beijing North Tianyu Building Decoration Co., Ltd. Assignor: Zhao Ameng Contract record no.: 2012990000966 Denomination of utility model: Air return port system with acoustic absorption wedges of silencer Granted publication date: 20121114 License type: Exclusive License Record date: 20121231 |
|
| LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121114 Termination date: 20210504 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |