CN1330755A - Device for diffusing sterilized air in fabric sheath - Google Patents

Device for diffusing sterilized air in fabric sheath Download PDF

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Publication number
CN1330755A
CN1330755A CN99814633.1A CN99814633A CN1330755A CN 1330755 A CN1330755 A CN 1330755A CN 99814633 A CN99814633 A CN 99814633A CN 1330755 A CN1330755 A CN 1330755A
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CN
China
Prior art keywords
cover
aseptic gas
air supply
supply pipe
diffusing cone
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
CN99814633.1A
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Chinese (zh)
Other versions
CN1158488C (en
Inventor
迪迪埃·伯东
皮埃尔·布里代纳
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.)
UNIR Ultra Propre Nutrition Industrie Recherche
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UNIR Ultra Propre Nutrition Industrie Recherche
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Publication date
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Publication of CN1330755A publication Critical patent/CN1330755A/en
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Publication of CN1158488C publication Critical patent/CN1158488C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/02Ducting arrangements
    • F24F13/0218Flexible soft ducts, e.g. ducts made of permeable textiles
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/02Ducting arrangements
    • F24F13/06Outlets for directing or distributing air into rooms or spaces, e.g. ceiling air diffuser
    • F24F13/068Outlets for directing or distributing air into rooms or spaces, e.g. ceiling air diffuser formed as perforated walls, ceilings or floors
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/02Ducting arrangements
    • F24F13/06Outlets for directing or distributing air into rooms or spaces, e.g. ceiling air diffuser
    • F24F2013/0608Perforated ducts

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Duct Arrangements (AREA)
  • Apparatus For Disinfection Or Sterilisation (AREA)
  • Respiratory Apparatuses And Protective Means (AREA)
  • Absorbent Articles And Supports Therefor (AREA)
  • Outer Garments And Coats (AREA)
  • Air Humidification (AREA)
  • Professional, Industrial, Or Sporting Protective Garments (AREA)
  • Treatment Of Fiber Materials (AREA)
  • Preliminary Treatment Of Fibers (AREA)
  • Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
  • Packages (AREA)

Abstract

The invention concerns a soft material sheath (10) for close protection of products arranged on a conveyor or a work top, sensitive to contamination by the environment, by diffusing a sterilized air stream, in particular along a direction substantially perpendicular to said conveyor or work top, said sheath defining a sterilized air supply conduit and having a protrusion (20). The invention is characterised in that in said supply conduit, just after said protrusion with respect to the sterilised air flow direction, is provided a sterilized air diffusing cone (30) oriented in the direction of the sterilized air flow direction and centred on the sheath longitudinal axis.

Description

The device of diffusion aseptic gas in textile sleeve
Present invention relates in general to being in the protection of pressing close to of workbench in the contaminated environment or conveyer, especially a kind of product that the pollution medium that is easy to carried by environment is polluted is pressed close to the device of protection, and described product is placed on work top or the conveyer.
The invention particularly relates to a kind of cover of flexible material, by especially flowing along the direction diffusion aseptic gas that is approximately perpendicular to described conveyer or work top, being used for protection is placed on conveyer or the work top, be easy to be subjected to the product of the contaminants that environment carries, described cover forms an aseptic gas air supply pipe with how much singular points.
This cover is made of a sealed wall and a porous wall along the axis longitudinal extension that overlaps as everyone knows, and described porous wall is made such as a kind of textile material by the porose material of softness.
Here, so-called " singular point " be meant, for example, and the variation in the cross section of turning, tenon (piquage) or cover.
In the cover of aforementioned type, the direction that flows the aseptic gas air supply pipe that described cover limits from aseptic gas after singular point and then, sometimes may be observed the distortion of aseptic gas stream velocity flow profile.
Like this, the flow velocity of the aseptic gas stream in the gas stream becomes too high in the part, thereby produces the gas dynamic pressure that is higher than overall pressure in the cover in the relevant position of cover.Therefore, it is negative that the gas-static of this position of cover becomes, as suction function on the flexible material porous wall inner surface of described cover.
If it is less to constitute the flexible material space of protective jacket porous wall, in described cover, is right after the inside that the formed negative pressuren zone of described singular point will cause extraneous gas is sucked cover like this, thereby pollutes aseptic gas by described cover diffusion.
If it is more to constitute the flexible material space of protective jacket porous wall, in the position that forms negative pressuren zone, described flexible material can be attracted to the inside of cover, and can observe the vibration or the jitter of the porous wall of cover in this position.This phenomenon is disturbed the velocity flow profile of cover outlet aseptic gas, and the homogeneity of aseptic protection gas a fluid stream just can not get ensureing.
Therefore, in order to remedy above-mentioned defective, the present invention propose a kind of novel, type passes through the flexible material cover that the diffusion aseptic gas provides protection as previously mentioned, it comprises the interior arrangement that the velocity flow profile of an aseptic gas that certain singular point from described cover can be flowed out reconfigures, so that the static pressure of this position is maintained at a sufficiently high level, to avoid producing negative pressuren zone.
More particularly, according to the present invention, in the described air supply pipe that described cover forms, and then described singular point on the direction that aseptic gas flows in described air supply pipe, an aseptic gas diffusing cone is provided, be oriented on the flow direction of aseptic gas, it is centrally located on the longitudinal axis X of cover.
Other non-limiting feature and advantage according to cover of the present invention:
---described diffusing cone is butt,
---the drift angle of described diffusing cone preferably equals about 45 degree about 30 to 45 degree,
---described diffusing cone is with a kind of porose flexible material, and preferably textile material is made.The most handy synthetic textiles of described diffusing cone is made such as polyester or polypropylene fabric,
---described diffusing cone can be made with porose rigid material,
---the porosity of forming the material of described diffusing cone is about 0.5,
---described diffusing cone is connected to the end of a sleeve pipe, and this sleeve pipe is arranged in the described aseptic gas air supply pipe along the longitudinal axis of described cover, and the cross section is slightly smaller than the cross section of cover,
---it is lower that described sleeve pipe material therefor and diffusing cone material therefor are compared porosity,
---the effective porose flexible material of described cover is made such as textile material, makes under the effect of the aseptic gas that passes through this sleeve pipe, is contacted avette with the inner surface of jacket wall,
---described cover comprises a central tenon, it is approximately perpendicular to the aseptic gas air supply pipe that the direction Y of the longitudinal axis X of cover is opened in the described cover by an edge and constitutes, make outlet at described aseptic gas air supply pipe, aseptic gas flows along the rightabout of the longitudinal axis X of described cover generally along two, inside at described cover, exit at described tenon, described be with one the cover the longitudinal axis directions X on the diffusion sleeve pipe, the latter has a diffusing cone that is oriented on the aseptic gas flow direction at each end, and it is centrally located on the longitudinal axis of described cover.
The invention allows for a kind of cover of flexible material, by especially flowing along the direction diffusion aseptic gas that is approximately perpendicular to work top, being used for protection is placed on the described work top, be easy to be subjected to the product of the contaminants that environment carries, described cover forms an aseptic gas air supply pipe with how much singular points, in this air supply pipe, and then described singular point on the direction that aseptic gas flows in described air supply pipe, an aseptic gas diffusion hemisphere is provided, be oriented on the flow direction of aseptic gas, it is centrally located on the longitudinal axis X of cover.
Below in conjunction with give an example and description that nonrestrictive accompanying drawing carries out will help to fully understand content of the present invention and how implement the present invention.
In the accompanying drawings:
---Fig. 1 is the schematic perspective view of a kind of embodiment of protective jacket of the present invention,
---Fig. 2 is the profile on A-A plane in Fig. 1,
---Fig. 3 is the profile on B-B plane in Fig. 1.
At Fig. 1 in Fig. 3, show a kind of by especially spreading aseptic gas along the direction that is approximately perpendicular to described conveyer, being used for protection is placed on conveyer or the work top (not shown), is easy to be subjected to the flexible material cover 10 of the product of the contaminants that environment carries.
This cover 10 here is not described in detail, for the DETAILED DESCRIPTION OF THE PREFERRED of this cover, but the document WO 97/40325 under the REFERENCE TO RELATED name.
Specifically, as shown in the figure, described cover 10 to be shaped as with longitudinal axis X be the rotating cylindrical body at center, have that make with low-porosity textile material or plastic foil, as to form the upper half of cover 10 upper wall 11, and a bottom porous wall that forms the lower half of cover 10.Described wall 11,12 is along the longitudinal axis X longitudinal extension of cover 10.
Constitute the wall 11 of upper half of cover and the porous wall 12 that constitutes the lower half of cover between them, form a tubulose, be the aseptic gas air supply pipe 13 of axle with longitudinal axis X.
The fabric that is used for realizing overlapping 10 upper half for example is a dacron fabric, and porosity is 5 to 10 micron pore size.
The fabric that is used for lower half porous cover 12 for example is a kind of dacron fabric, and porosity is 15 to 30 micron pore size.
Described cover 10 is parallel to the longitudinal edge longitudinal extension of conveyer or work top on the whole length of conveyer or work top (not shown).
Advantageously, each vertical outer end that is positioned at conveyer longitudinal edge place of the upper half 11 of described cover 10 can tangentially be extended a skirt section (not shown) here.
Described two skirt sections that are positioned at each end of upper half are approximately perpendicular to work top or conveyer extends, and length or equate is perhaps different, the height between the axis of conveyer or work top and described cover 50% to 100% between.
This layout can guarantee the diffusion along the aseptic gas of the jogging speed of described porous wall 12 central authorities, and in the speed of both sides than higher aseptic gas sideways diffusion.
According to a kind of not shown modification of described cover 10, it can comprise the wall of a low-porosity of extending on 75% circumference of cover, and a porous wall that occupies 25% circumference of cover.
Described low-porosity wall forms the first half of cover, and described porous wall forms the latter half of cover.
Described porous wall is supplied with a longitudinal diffusion capsule that is positioned at this porous wall below, and its outer wall comprises two side band and porous central areas of being connected to the longitudinal end of described sealed wall, on the edge of this central area be two with the adjacent latasuture of described sealed sides band.
By means of the described central area of described longitudinal diffusion capsule, this layout also can guarantee the diffusion at a slow speed of aseptic gas, this diffusion at a slow speed between two strands of quick stream.
In addition, especially as Fig. 1 to shown in Figure 3, described cover 10 has a singular point here.According to illustrated embodiment, this singular point is made of a central tenon, and the latter constitutes along the axis Y aseptic gas air supply pipe 20 that extend and in this vertical direction is opened on described cover perpendicular to the longitudinal axis X that overlaps by one.
In the outlet of this aseptic gas air supply pipe 20, the aseptic gas that flows into along vertical direction f flows along two opposite directions in described cover 10, and this both direction is generally along the longitudinal axis X of described cover 10.
Certainly, according to other not shown embodiment,, can be the turning as other singular point, or for example the narrowing or broadening of cross section of cover.
Described aseptic gas air supply pipe is installed in the sealing upper wall 11 of described sterile sleeve hermetically.
For this reason, the upper wall 11 of described cover 10 has a perpendicular part 14 of turning over of extending along the direction of the axis Y of described aseptic gas air supply pipe 20, and it has an opening in its end, wherein the described air supply pipe 20 of suit for example.
The sealing at suit place is for example finished by sealing ring 15.
Described aseptic gas air supply pipe 20 along axis Y direction is opened in the aseptic gas air supply pipe 13 that is formed by described cover, and opening is on the inner surface of the sealing upper wall 11 of this cover 10.
In addition, in the aseptic gas air supply pipe 13 that described cover 10 forms, and then described singular point on the direction that aseptic gas flows in described pipe 13 provides an aseptic gas diffusing cone 30, be oriented on the flow direction of aseptic gas, it is centrally located on the longitudinal axis X of cover 10.
According to illustrated embodiment, in the exit of described central tenon, provide the diffusing cone 30 of two opposite orientation here,, these two aseptic gas flow directions flow out from described aseptic gas air supply pipe 20, on the longitudinal axis X that is centrally located in described cover 10 of described diffusing cone.
The apex angle of described each diffusing cone 30 preferably equals 45 degree about 30 to 45 degree.
Each diffusing cone 30 can be with a kind of porose flexible material, and preferably textile material is made such as a kind of polyester or polypropylene synthetic textiles.
Each diffusing cone also can be made with porose rigid material.
The porosity of forming the material of each diffusing cone 30 can equal to overlap the porosity of 10 porous wall 12, for example approximates 0.5.
Described diffusing cone has advantageously guaranteed the even distribution in aseptic gas described singular point exit in described cover 10, the static pressure that causes to avoid local rising of gas flow rate overlapping on the inner surface of 10 bottom porous wall reduces, this static pressure reduces or causes extraneous gas to enter in the cover, perhaps causes the described bottom porous wall of described cover to take place to vibrate or tremble.
In addition, as shown in the figure, each diffusing cone 30 is connected to the end 41,42 of a sleeve pipe 40, and this sleeve pipe is arranged in the aseptic gas air supply pipe 13 of described cover 10 formation, and along the longitudinal axis X of described cover 10, its cross section is slightly smaller than the cross section of described cover 10.
Here, described sleeve pipe and described two diffusing cones constitute a single piece.
Certainly, described sleeve pipe and described two diffusing cones can be formed three parts that assemble.
The material of described sleeve pipe 40 is compared with the material of diffusing cone 30 can have lower porosity.Described sleeve pipe can be made such as textile material with porose flexible material, perhaps makes such as a kind of porose sheet material with porose rigid material.
Its diameter is favourable than the diameter little 10% of sleeve pipe 10.
When with porose flexible material such as textile material, when polyester or polypropylene fabric were made described sleeve pipe, it was avette under the effect of the aseptic gas that passes it, contact with the lower wall of described cover 10 and the inner surface of upper wall.
The sub-assembly that is made of described sleeve pipe 40 and described two diffusing cones 30 extend along axis Y direction by described sleeve pipe is perpendicular to turn over part 43 and is connected on the described cover 10, and sealed wall 11 perpendicular that is installed to described cover 10 hermetically turns on the outer end of part 14.
According to illustrated embodiment, the diameter d 1 that constitutes the aseptic gas air supply pipe 20 of described central tenon is about 100 millimeters, and the length of described sleeve pipe 40 is 130 millimeters, and the length of each diffusing cone 30 is 120 millimeters, and the diameter of described cover 10 is 120 millimeters.
Certainly, the present invention is not limited only in this description and illustrated embodiment, and according to spiritual essence of the present invention, those of ordinary skills can change.
Especially, according to other embodiment, as singular point, described flexible material diffusion cover can have a turning.
In this case, only provide one to be arranged on diffusing cone exit, described turning, on the longitudinal axis of center at described cover in the inside of described cover, this diffusing cone also is connected to an end of a diffusion sleeve pipe, and the other end of this diffusion sleeve pipe is a cecum.
As the described singular point of described cover, can also be the change of for example spreading the cover cross section, promptly narrow or enlarge.
In this case, in the inside of described cover, in the exit of described changes of section, only provide one be oriented on the aseptic gas flow direction, the diffusing cone of center on the axis of described cover.
According to the present invention, can also and put a series of covers above bigger work top of width or conveyer, make described cover be parallel to the longitudinal edge direction setting of described work top or conveyer.
Each cover with a singular point is equipped with an aseptic gas diffusing cone that is arranged on the aseptic gas air supply pipe inside of described cover formation as previously mentioned.

Claims (12)

1. the cover of a flexible material (10), by especially flowing along the direction diffusion aseptic gas that is approximately perpendicular to work top, being used for protection is placed on the described work top, be easy to be subjected to the product of the contaminants that environment carries, described cover (10) forms an aseptic gas air supply pipe (13) with how much singular points (20), it is characterized in that, in this air supply pipe (13), and then described singular point (20) on the direction that aseptic gas flows in described air supply pipe (13), an aseptic gas diffusing cone (30) is provided, be oriented on the flow direction of aseptic gas, it is centrally located on the longitudinal axis X of cover (10).
2. cover as claimed in claim 1 (10) is characterized in that, described diffusing cone (30) is butt.
3. cover as claimed in claim 1 (10) is characterized in that, the drift angle (X) of described diffusing cone (30) preferably equals about 45 degree about 30 to 45 degree.
4. as the described cover of one of claim 1 to 3 (10), it is characterized in that described diffusing cone (30) is with a kind of porose flexible material, preferably textile material is made.
5. cover as claimed in claim 4 (10) is characterized in that, described diffusing cone (30) is made such as polyester or polypropylene fabric with synthetic textiles.
6. as the described cover of one of claim 1 to 3 (10), it is characterized in that described diffusing cone (30) is made with porose rigid material.
7. as the described cover of one of claim 4 to 6 (10), it is characterized in that the porosity of forming the material of described diffusing cone (30) is about 0.5.
8. as the described cover of one of claim 1 to 7 (10), it is characterized in that, described diffusing cone (30) is connected to the end of a sleeve pipe (40), and this sleeve pipe is arranged in the described aseptic gas air supply pipe (13) along the longitudinal axis X of described cover, and the cross section is slightly smaller than the cross section of cover (10).
9. cover as claimed in claim 8 (10) is characterized in that, it is lower that described sleeve pipe (40) material therefor and described diffusing cone (30) material therefor are compared porosity.
10. overlap as claimed in claim 8 or 9 (10), it is characterized in that, described sleeve pipe (40) is made such as textile material with porose flexible material, makes under the effect of the aseptic gas that passes through this sleeve pipe, is contacted avette with the inner surface of cover (10) wall (11).
11. as the described cover of one of claim 8 to 10 (10), it is characterized in that, described cover comprises a central tenon, it is opened on interior aseptic gas air supply pipe (20) formation of described cover (10) by the direction Y that an edge is approximately perpendicular to the longitudinal axis of cover (10), make outlet at described aseptic gas air supply pipe (20), aseptic gas flows along the rightabout of the longitudinal axis X of described cover generally along two, inside at described cover, exit at described tenon, described be with one the cover (10) the longitudinal axis directions X on diffusion sleeve pipe (40), the latter is at each end (41,42) diffusing cone (30) that is oriented on the aseptic gas flow direction is arranged, it is centrally located on the longitudinal axis X of described cover (10).
12. the cover of a flexible material, by especially flowing along the direction diffusion aseptic gas that is approximately perpendicular to work top, being used for protection is placed on the described work top, be easy to be subjected to the product of the contaminants that environment carries, described cover forms an aseptic gas air supply pipe with how much singular points, in this air supply pipe, and then described singular point on the direction that aseptic gas flows in described air supply pipe, an aseptic gas diffusion hemisphere is provided, be oriented on the flow direction of aseptic gas, it is centrally located on the longitudinal axis X of cover.
CNB998146331A 1998-12-18 1999-12-16 Device for diffusing sterilized air in fabric sheath Expired - Fee Related CN1158488C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR98/16014 1998-12-18
FR9816014A FR2787558B1 (en) 1998-12-18 1998-12-18 STERILE AIR DIFFUSION DEVICE IN A TEXTILE SHEATH PROVIDING CLOSE PROTECTION OF SENSITIVE PRODUCTS

Publications (2)

Publication Number Publication Date
CN1330755A true CN1330755A (en) 2002-01-09
CN1158488C CN1158488C (en) 2004-07-21

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Application Number Title Priority Date Filing Date
CNB998146331A Expired - Fee Related CN1158488C (en) 1998-12-18 1999-12-16 Device for diffusing sterilized air in fabric sheath

Country Status (13)

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EP (1) EP1141636B1 (en)
JP (1) JP4089158B2 (en)
CN (1) CN1158488C (en)
AT (1) ATE224033T1 (en)
AU (1) AU753367B2 (en)
CA (1) CA2355701A1 (en)
DE (1) DE69902945T2 (en)
DK (1) DK1141636T3 (en)
ES (1) ES2181493T3 (en)
FR (1) FR2787558B1 (en)
MX (1) MXPA01006158A (en)
PT (1) PT1141636E (en)
WO (1) WO2000037860A1 (en)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006018404B4 (en) * 2006-04-20 2020-11-26 Airbus Operations Gmbh Noise-optimized air distributor
DE102009034410B4 (en) * 2009-07-23 2015-01-08 Airbus Operations Gmbh Ice separator for an air line
DK2573479T3 (en) * 2011-08-30 2019-04-29 Prihoda Sro Duct element for air distribution
CN104296244B (en) * 2014-10-10 2016-08-17 东南大学 A kind of wall-hanging air conditioner aeration device
FR3058349B1 (en) * 2016-11-10 2018-11-30 Disposable-Lab DEVICE FOR DIFFUSING A GASEOUS FLUID IN AN ISOLATOR FOR THE HANDLING OF SENSITIVE PRODUCTS SUCH AS MEDICAMENTS, ISOLATOR OBTAINED

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0694295A (en) * 1992-09-10 1994-04-05 Taikisha Ltd Device for duct
JPH0640753U (en) * 1992-11-11 1994-05-31 新日本空調株式会社 Air conditioning duct
JPH07133953A (en) * 1993-11-11 1995-05-23 Kenji Sakurai T-shaped pipe joint for air-conditioning duct
DE4340038A1 (en) * 1993-11-24 1995-06-01 Schako Metallwarenfabrik Source outlet system
JPH07312985A (en) * 1994-05-25 1995-12-05 Hitachi Air Conditioning & Refrig Co Ltd Local air-conditioner for plant growth chamber
FR2748048B1 (en) * 1996-04-25 1998-07-31 Air Strategie TEXTILE SHEATH FOR CLOSE PROTECTION OF THE CONVEYANCE OF SENSITIVE PRODUCTS AND LAMINARY FLOW HOOD HAVING SUCH A SHEATH
JPH102841A (en) * 1996-06-14 1998-01-06 Shojiro Kaji Low frequency air vibration reducing device

Also Published As

Publication number Publication date
MXPA01006158A (en) 2002-09-18
WO2000037860A1 (en) 2000-06-29
DK1141636T3 (en) 2003-01-20
CN1158488C (en) 2004-07-21
DE69902945T2 (en) 2003-08-07
EP1141636B1 (en) 2002-09-11
ATE224033T1 (en) 2002-09-15
PT1141636E (en) 2003-01-31
JP4089158B2 (en) 2008-05-28
AU1782700A (en) 2000-07-12
FR2787558A1 (en) 2000-06-23
AU753367B2 (en) 2002-10-17
EP1141636A1 (en) 2001-10-10
CA2355701A1 (en) 2000-06-29
DE69902945D1 (en) 2002-10-17
JP2002533647A (en) 2002-10-08
ES2181493T3 (en) 2003-02-16
FR2787558B1 (en) 2001-03-09

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