CN102331062A - Noise-reducing laminar flow air supply device - Google Patents
Noise-reducing laminar flow air supply device Download PDFInfo
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- CN102331062A CN102331062A CN201110310552A CN201110310552A CN102331062A CN 102331062 A CN102331062 A CN 102331062A CN 201110310552 A CN201110310552 A CN 201110310552A CN 201110310552 A CN201110310552 A CN 201110310552A CN 102331062 A CN102331062 A CN 102331062A
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- air
- laminar flow
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- supply arrangement
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Abstract
The patent discloses a noise-reducing laminar flow air supply device. The air supply device provided by the invention comprises a case body which is composed of multiple case body units, wherein the air outlet of the case body is provided with multiple flow equalization plates used for flow guidance; two sides of the case body are respectively provided at least one pipeline interface, and the shell of the case body is provided with a double-layer micropunch muffler plate used for noise reduction; and the double-layer micropunch muffler plate and the shell of the case body form a dual-cavity noise reduction structure. According to the air supply device provided by the patent, the air inlet of an operating room is provided with filters, so that the number of the filters can be effectively reduced, and the purpose of filtering fresh airs is achieved, thereby obviously reducing the energy consumption of the whole equipment; and a stainless steel shell of the existing air supply device is replaced by the double-layer micropunch muffler plate, thus the noises of the air supply device are reduced, thereby meeting the national standard.
Description
Technical field
The present invention relates to a kind of operating room and use the laminar flow air-supply arrangement, relate in particular to a kind of noise reducing type operating room and use the laminar flow air-supply arrangement.
Background technology
Operating room laminar flow wind pushing box is according to leading both at home and abroad leakage preventing layer technology, relies on operating room clean air-supply smallpox and two technology of zero-pressure sealing to create, and uses this equipment air-flow in the operating room that can rationally distribute, and effectively guarantees indoor cleanliness factor.With clean, weighing apparatus is fixed, soft air is sent into indoor; Whole operating room is all shrouded under pure air, is basis with the national standard, and according to the size of operating room, shape and the pressurization bellows that design; Can control the air-supply flow velocity on the operating room operative region effectively; Make the air can be soft and blow equably downwards, can keep laminar flow to keep clean effect, be unlikely to the excessive dust secondary fly-up that causes of wind speed again.
Because hospital operating room need reach for the requirement of ventilating: keep indoor needed climate state and remove airborne dust, microorganism, smell and pernicious gas; Especially the POI that causes of control air approach is most important, is the key point that guarantees perform the operation successfully, shorten patient recovery time, reduction medical expense because reduce and avoid POI.Though another characteristics of operating room air conditioner ventilation are that service area is little but air quantity is big, energy consumption is high, service time is uncertain in addition; Especially high-level operating room (referring to operating room more than thousand grades); Its reason is that high-level operating room air-conditioning air output is big; Like the operating room of same area, the air-conditioning air quantity of hundred grades of operating rooms is ten thousand grades 3.4 times, is thousand grades 2.5 times.
These characteristics to hospital operating room; Operating room laminar flow wind pushing box of the prior art generally all adopts monolithic construction; Chinese patent " novel operation chamber air-supply smallpox " (Chinese patent number be 201020101598.0) for example: a kind of novel operation chamber air-supply smallpox; Comprise four box unit 1, be located at a plurality of filters 2 in each box unit 1, be located at each box unit 1 lip-deep homogenizing plate 3; Box unit 1 interconnects between any two, and air-supply smallpox size is 3000*3000mm.One side of each box unit 1 is equipped with pipe joint 5, inserts the air-conditioning air outlet.The operating room air-supply smallpox of this structure can increase the laminar flow air supply areas, and air-flow is more even, and area coverage is bigger; Reduce the risk of postoperative infection, around the air-supply smallpox, install lucite baffle plate 4 additional, make air-flow more tend to vertical laminar flow; Avoid air-flow short circuit and turbulent flow (detailed structure view is referring to Fig. 1, Fig. 2); But the operating room of obvious this structure air-supply smallpox needs a plurality of filters, and the air conditioner filter that only illustrates in the drawings just has 12 more than, has increased energy consumption so greatly; Secondly, housing is an integral structure, and whole air-supply smallpox size is 3000*3000mm; Installation, debugging for whole air-supply smallpox all brings sizable difficulty like this; Once more, for thousand grades, ten thousand grades laminar flow wind pushing box, its noise can also carry out noise reduction through the mode that increases the noise elimination pipeline; And for hundred grades of laminar flow wind pushing box, its air output maintains 10000-12000m basically
3/ h, air output is bigger, and consequent noise is also bigger, and the mode of passing through the prolongation pipeline that this moment is simple again solves noise problem, and is just unrealistic.Therefore how to make that operating room laminar flow wind pushing box cuts down the consumption of energy, simple installation, significantly to reduce noise simultaneously again be that those skilled in the art urgently hope the problem that solves.
Summary of the invention
The purpose of this patent provides and a kind ofly can cut down the consumption of energy, simple installation, can significantly reduce the operating room laminar flow air-supply arrangement of noise simultaneously again; Air inlet through at operating room is provided with filter; Can effectively reduce the quantity of filter like this; And can reach the purpose of filtering new wind, thereby significantly reduced the entire equipment energy consumption; Through the stainless steel casing of existing air-supply arrangement being replaced by double-deck micropunch muffler plate, reduce the noise of air-supply arrangement, make its National standard.
This patent solves the technical scheme that its technical problem adopted:
A kind of noise reducing type laminar flow air-supply arrangement; Comprise: the casing that a plurality of box unit assemble; Air outlet on the said casing is provided with a plurality of homogenizing plates that are used for water conservancy diversion; The both sides of said casing are respectively equipped with at least one pipe joint, are provided with the double-deck micropunch muffler plate that is used for noise reduction in the shell of said casing, and said double-deck micropunch muffler plate and said cabinet shell are formed a two-chamber road noise elimination structure.
Further, said double-deck micropunch muffler plate comprises inner panel muffler plate, outside plate muffler plate, and the percent opening of said inner panel muffler plate is 2%, and the percent opening of said outside plate muffler plate is 1%.
Like this; Through being set in the common in the prior art casing stainless steel casing, double-deck micropunch muffler plate forms two-chamber road noise elimination structure; Thereby utilize the noise-cancelling theory of the uniqueness of two-chamber road noise elimination structure, can significantly reduce the noise of air-supply arrangement in the air-supply process.
Further, all be filled with sound-absorbing material in two cavities of said two-chamber road noise elimination structure.Said sound-absorbing material is a nonwoven.
In order further to strengthen the decrease of noise functions of two-chamber road noise elimination structure, can in cavity, fill sound-absorbing material, preferred nonwoven is filled.
Further, adhere to one deck EAV heat-insulation layer on the said outside plate.
Further preferably, be equipped with a filter in said each box unit.
The filter of the air-supply arrangement of this structure is arranged in the box unit, can play equally and filter new wind action.
Another kind of structure is to be provided with a filter in said each pipe joint.
The air-supply arrangement of this structure is through being provided with high efficiency particulate air filter in the air supply duct interface; An air supply duct interface is provided with a filter; For example generally only need two air supply duct interfaces for ten thousand grades or thousand grades of operating room laminar flow wind pushing box, so only two filters need be set can reach requirement, and has avoided needing usually in the prior art to adopt 8 perhaps technical schemes of 12 filters; Significantly reduce the quantity of filter, thereby reduced the energy consumption of single unit system.
Further preferably, said box unit is an absolute construction, is fixed into a casing through splicing between a plurality of box unit.
Like this; The casing that prior art is medium-and-large-sized resolves into a plurality of box unit, only need these box unit splicing assemblings be got final product when mounted then, and the box unit volume is little, in light weight; Be convenient to transportation and install, thereby greatly facilitate construction and Installation and Debugging.
Further, be provided with in the said casing one be used to install shadowless lamp the shadowless lamp panel.
Further, the corresponding homogenizing plate of said each box unit, said homogenizing plate is fixed on the said box unit through pin.
Through reserving the shadowless lamp panel and homogenizing plate being installed, can further improve the function of operating room laminar flow air-supply arrangement.
This patent is through being provided with double-deck micropunch muffler plate in the stainless steel casing of conventional design; Thereby make double-deck muffler plate constitute two-chamber road noise elimination structure, in the two-chamber road, sound-absorbing material is set simultaneously, thereby can further reduces the noise in the air-supply arrangement running with shell; According to national standard; For example general hundred grades of operating room laminar flow air-supply arrangements require the noise should be below 52 decibels, and existing various hundred grades of operating room laminar flow air-supply arrangements can reach the 50-51 decibel, just National standard; And this patent is applied on hundred grades of laminar flow air-supply arrangements through test determination and can reaches the 43-45 decibel, and is obviously more obvious than the noise reduction of prior art.
This patent adopts split type box unit package assembly simultaneously, more helps Installation and Debugging, and it is more convenient to construct.
This patent also through in the air supply duct interface of operating room, filter being set, can effectively reduce the quantity of filter like this, and can reach the purpose of filtering new wind, thereby has significantly reduced the entire equipment energy consumption.
Description of drawings
Below in conjunction with accompanying drawing and embodiment the present invention is described further;
Fig. 1 is the structural representation of operating room air-supply arrangement in the prior art;
Fig. 2 is the A-A cross-sectional view of operating room air-supply arrangement in the prior art;
Fig. 3 is first kind of structural representation of patent of the present invention;
Fig. 4 is that the A of Fig. 3 is to structural representation;
Fig. 5 is that the B of Fig. 3 is to structural representation.
Fig. 6 is second kind of structural representation of patent of the present invention:
Fig. 7 is that the A of Fig. 6 is to structural representation;
Fig. 8 is that the B of Fig. 6 is to structural representation.
Label declaration among the figure:
1, box unit 2, filter 3, homogenizing plate 4, lucite baffle plate
5, pipe joint 6, shadowless lamp panel 7, salt solution guide rail 8, outside plate
9, adiabator layer 10, inner panel 11, casing 12, shell
13, nonwoven
The specific embodiment
Embodiment 1: like the first kind structural representation of Fig. 3 for patent of the present invention; Fig. 4 is that the A of Fig. 3 is to structural representation; Fig. 5 is that the B of Fig. 3 is to structural representation.Showed a kind of noise reducing type laminar flow air-supply arrangement among the figure, comprised the casing 11 that a plurality of box unit 1 assemble, box unit 1 is an absolute construction, is fixed into a casing 11 through splicing between a plurality of box unit 1.The mode that box unit 1 splicing is fixed into casing 11 has a variety of, for example can adopt each box unit 1 is linked together through bolt respectively, also can be through a housing is set; Then each box unit 1 is fixed on the housing; Form a casing 11 then, can certainly adopt other general assembling ways of connecting, in fact; Box unit 1 can be regarded a basic module as, through the body structure that assembles into an integral body between these modules.Be equipped with a high efficiency particulate air filter 2 in each box unit 1; The air outlet below of casing 11 is provided with a plurality of homogenizing plates 3 that are used for water conservancy diversion, and the both sides of casing 11 are respectively equipped with at least one pipe joint 5, are provided with double-deck micropunch muffler plate in the shell 12 of casing 11; Double-deck micropunch muffler plate is made up of inner panel 10, outside plate 8 jointly; Wherein the percent opening of inner panel 10 is 2%, and the percent opening of outside plate 8 is 1%, forms a two-chamber road noise elimination structure between inner panel 10, outside plate 8 and the shell 12; Particularly, form a cavity between inner panel 10 and the outside plate 8, form a cavity between outside plate 8 and the shell 12, preferably, can between two cavities, fill quieter material, such as nonwoven 13, the structure after the filling can be with reference to figure 7, Fig. 8.Adhere to one deck adiabator layer 9 on the shell 12, adiabator layer 9 is preferably EAV (ethylene-vinyl acetate copolymer) layer.
The micropunch muffler plate is that the microwell plate by different punching rates constitutes; A clamping plate sound absorption of air formation mechanism in the air column at aperture pore-throat place and the cavity on the plate; When the outside noise frequency is identical with the elastic system intrinsic frequency; Cause that place, small-bore air resonates strongly, consumed acoustic energy thereby produce violent friction, the micropunch muffler plate is suitable for the decay of low frequency noise especially.This silencer adopts metal structure, simple structure, and volume is little, and fire prevention can not produce material contaminated airs such as dust, cellulosic under the air-flow effect, be particularly useful for high-velocity duct, engineerings such as cleaning project and dustproof workshop.
Casing 11 centre positions also be provided with one be used to install shadowless lamp shadowless lamp panel 6, like Fig. 3, the air outlet on the casing 11 is provided with a plurality of homogenizing plates 3 that are used for air-conditioning wind is carried out water conservancy diversion, the both sides of casing 11 are provided with 4 pipe joints 5.
Like Fig. 4, can carry out the interval through salt solution guide rail 7 between the homogenizing plate 3, salt solution guide rail 7 adopts pin to be fixed on the casing 11.
Embodiment 2: like the second kind structural representation of Fig. 6 for patent of the present invention; Fig. 7 be Fig. 6 A to structural representation; Fig. 8 be Fig. 6 B to structural representation.Showed another kind of noise reducing type laminar flow air-supply arrangement among the figure, comprised the casing 11 that a plurality of box unit 1 assemble, box unit 1 is an absolute construction, is fixed into a casing 11 through splicing between a plurality of box unit 1.The mode that box unit 1 splicing is fixed into casing 11 has a variety of, for example can adopt each box unit 1 is linked together through bolt respectively, also can be through a housing is set; Then each box unit 1 is fixed on the housing; Form a casing 11 then, can certainly adopt other general assembling ways of connecting, in fact; Box unit 1 can be regarded a basic module as, through the body structure that assembles into an integral body between these modules.
Air outlet on the casing 11 is provided with a plurality of homogenizing plates 3 that are used for water conservancy diversion; The both sides of casing 11 are respectively equipped with at least one pipe joint 5; A high efficiency particulate air filter 2 all is set in each pipe joint 5, and this filter 2 can adopt general on the market air-conditioning air-supply to use high efficiency particulate air filter.Be provided with the double-deck micropunch muffler plate that is used for noise reduction in the shell 12 of casing 11; The air outlet below of casing 11 is provided with a plurality of homogenizing plates 3 that are used for water conservancy diversion; The both sides of casing 11 are respectively equipped with at least one pipe joint 5; Be provided with double-deck micropunch muffler plate in the shell 12 of casing 11, double-deck micropunch muffler plate is made up of inner panel 10, outside plate 8 jointly, and wherein the percent opening of inner panel 10 is 2%; The percent opening of outside plate 8 is 1%, forms a two-chamber road noise elimination structure between inner panel 10, outside plate 8 and the shell 12; Particularly, form a cavity between inner panel 10 and the outside plate 8, form a cavity between outside plate 8 and the shell 12, preferably, can between two cavities, fill quieter material, preferred nonwoven 13, the structure after the filling is with reference to figure 7, Fig. 8.Adhere to one deck adiabator layer 9 on the shell 12, adiabator layer 9 is preferably EAV (ethylene-vinyl acetate copolymer) layer.
Casing 11 centre positions also be provided with one be used to install shadowless lamp shadowless lamp panel 6, like Fig. 6, the air outlet on the casing 11 is provided with a plurality of homogenizing plates 3 that are used for air-conditioning wind is carried out water conservancy diversion, the both sides of casing 11 are provided with 4 pipe joints 5.Can carry out the interval through salt solution guide rail 7 between the homogenizing plate 3, salt solution guide rail 7 adopts pin to be fixed on the casing 11.
Those skilled in the art will recognize that; The above-mentioned specific embodiment is exemplary; Be in order to make those skilled in the art can better understand this patent content; Should not be construed as is the restriction to this patent protection domain, changes or modifies so long as disclose spiritual any being equal to of being done according to this patent, all falls into this patent protection domain.
Claims (10)
1. noise reducing type laminar flow air-supply arrangement; It is characterized in that; Comprise: the casing that a plurality of box unit assemble, the air outlet on the said casing are provided with a plurality of homogenizing plates that are used for water conservancy diversion, and the both sides of said casing are respectively equipped with at least one pipe joint; Be provided with the double-deck micropunch muffler plate that is used for noise reduction in the shell of said casing, said double-deck micropunch muffler plate and said cabinet shell are formed a two-chamber road noise elimination structure.
2. noise reducing type laminar flow air-supply arrangement according to claim 1 is characterized in that, said double-deck micropunch muffler plate comprises inner panel muffler plate, outside plate muffler plate, and the percent opening of said inner panel muffler plate is 2%, and the percent opening of said outside plate muffler plate is 1%.
3. noise reducing type laminar flow air-supply arrangement according to claim 2 is characterized in that, all is filled with sound-absorbing material in two cavities of said two-chamber road noise elimination structure.
4. noise reducing type laminar flow air-supply arrangement according to claim 3 is characterized in that said sound-absorbing material is a nonwoven.
5. noise reducing type laminar flow air-supply arrangement according to claim 2 is characterized in that, adheres to one deck EAV heat-insulation layer on the said cabinet shell.
6. according to the described noise reducing type laminar flow of the arbitrary claim of claim 1 to 5 air-supply arrangement, it is characterized in that, be equipped with a filter in said each box unit.
7. according to the described noise reducing type laminar flow of the arbitrary claim of claim 1 to 5 air-supply arrangement, it is characterized in that, be provided with a filter in said each pipe joint.
8. noise reducing type laminar flow air-supply arrangement according to claim 1 is characterized in that said box unit is an absolute construction, is fixed into a casing through splicing between a plurality of box unit.
9. noise reducing type laminar flow air-supply arrangement according to claim 1 is characterized in that, be provided with in the said casing one be used to install shadowless lamp the shadowless lamp panel.
10. noise reducing type laminar flow air-supply arrangement according to claim 1 is characterized in that, the corresponding homogenizing plate of said each box unit, and said homogenizing plate is fixed on the said box unit through pin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110310552A CN102331062A (en) | 2011-10-13 | 2011-10-13 | Noise-reducing laminar flow air supply device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110310552A CN102331062A (en) | 2011-10-13 | 2011-10-13 | Noise-reducing laminar flow air supply device |
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| CN102331062A true CN102331062A (en) | 2012-01-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201110310552A Pending CN102331062A (en) | 2011-10-13 | 2011-10-13 | Noise-reducing laminar flow air supply device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102645011A (en) * | 2012-04-17 | 2012-08-22 | 广州铭铉净化设备科技有限公司 | Sinusoidal micropore plate muffler of air conditioning system |
| CN103845995A (en) * | 2014-03-24 | 2014-06-11 | 德清天皓环保科技有限公司 | Organic waste gas plasma purifier |
| CN107842981A (en) * | 2017-11-01 | 2018-03-27 | 深圳市汇健医疗工程有限公司 | A kind of clean operating room noise elimination air-blow ceiling |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2099273U (en) * | 1991-09-07 | 1992-03-18 | 高剑云 | Micro-channel board silencer |
| CN2578581Y (en) * | 2002-10-24 | 2003-10-08 | 上虞市专用风机厂 | Extra-thin induced fans |
| CN201606990U (en) * | 2010-01-22 | 2010-10-13 | 深圳市兴科净机电净化工程有限公司 | Novel operation room air-blow ceiling |
-
2011
- 2011-10-13 CN CN201110310552A patent/CN102331062A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2099273U (en) * | 1991-09-07 | 1992-03-18 | 高剑云 | Micro-channel board silencer |
| CN2578581Y (en) * | 2002-10-24 | 2003-10-08 | 上虞市专用风机厂 | Extra-thin induced fans |
| CN201606990U (en) * | 2010-01-22 | 2010-10-13 | 深圳市兴科净机电净化工程有限公司 | Novel operation room air-blow ceiling |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102645011A (en) * | 2012-04-17 | 2012-08-22 | 广州铭铉净化设备科技有限公司 | Sinusoidal micropore plate muffler of air conditioning system |
| CN103845995A (en) * | 2014-03-24 | 2014-06-11 | 德清天皓环保科技有限公司 | Organic waste gas plasma purifier |
| CN107842981A (en) * | 2017-11-01 | 2018-03-27 | 深圳市汇健医疗工程有限公司 | A kind of clean operating room noise elimination air-blow ceiling |
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Application publication date: 20120125 |