CN105135589A - Air curtain isolating device - Google Patents
Air curtain isolating device Download PDFInfo
- Publication number
- CN105135589A CN105135589A CN201510586691.2A CN201510586691A CN105135589A CN 105135589 A CN105135589 A CN 105135589A CN 201510586691 A CN201510586691 A CN 201510586691A CN 105135589 A CN105135589 A CN 105135589A
- Authority
- CN
- China
- Prior art keywords
- air curtain
- tube
- air
- spacer assembly
- mechanical valve
- 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.)
- Pending
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F9/00—Use of air currents for screening, e.g. air curtains
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F9/00—Use of air currents for screening, e.g. air curtains
- F24F2009/005—Use of air currents for screening, e.g. air curtains combined with a door
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Curtains And Furnishings For Windows Or Doors (AREA)
Abstract
The invention discloses an air curtain isolating device, and belongs to the technical field of air curtain devices. The air curtain isolating device is installed on one side of a door frame, and the door frame comprises two stand columns which are arranged oppositely and a cross beam which is erected at the top ends of the stand columns; the air curtain isolating device comprises a mechanical valve which is installed on one of the stand columns and fixed on the face, opposite to the other stand column, of the stand column, the middle of the cross beam is provided with a tee joint, two transverse connectors of the tee joint are each connected with one end of an air curtain short pipe which is horizontally arranged, the other end of each air curtain short pipe is connected with the top end of an air curtain long pipe, each air curtain long pipe is vertically installed on one stand column, and the bottom ends of the air curtain long pipe are closed; a longitudinal connector of the tee joint is connected with one end of a straight pipe, the other end of the straight pipe is communicated with an air outlet of the mechanical valve through a metal hose, and an air inlet of the mechanical valve is connected with an externally air supply device through a metal hose. According to the air curtain isolating device, harmful components can be prevented from entering an office area along with opening of an isolation door.
Description
Technical field
The present invention relates to air curtain device technical field, is specifically a kind of air curtain spacer assembly.
Background technology
Under the operating modes such as Chemical Engineering Laboratory, lifesaving cabin and toxic gas test chamber, need harmful components (pernicious gas and dust etc.) to be isolated in outside Administrative Area, to guarantee the safety of staff in Administrative Area.
At present, mainly realized the Secure isolation of Administrative Area by isolating door, but when staff passes in and out Administrative Area, a small amount of harmful components can enter Administrative Area along with the unlatching of isolating door, and then work the mischief to the staff in Administrative Area.
Summary of the invention
For the defect existed in prior art, the object of the present invention is to provide a kind of air curtain spacer assembly, when staff passes in and out Administrative Area, can prevent harmful components from entering Administrative Area along with the unlatching of isolating door, prevent the staff in Administrative Area from being endangered.
For reaching above object, the technical scheme that the present invention takes is: a kind of air curtain spacer assembly, be installed on the side of doorframe, this doorframe comprises two columns be oppositely arranged and is set up in the crossbeam on column top, described air curtain spacer assembly comprises the mechanical valve being installed on a wherein root post, mechanical valve is fixed on the described column one side relative with another root post, a three-way connection is set in the middle part of described crossbeam, and two of three-way connection horizontal interfaces connect one end of a horizontally disposed air curtain short tube respectively, the other end of every root air curtain short tube connects the top of an air curtain long tube, every root air curtain long tube is vertically installed on a root post, and the bottom end closure of air curtain long tube, the longitudinal interface of described three-way connection connects one end of a straight tube, and the other end of straight tube is communicated with the gas outlet of mechanical valve by metal hose, and the air inlet of mechanical valve is connected with the feeder of peripheral hardware by metal hose.
On the basis of technique scheme, described mechanical valve comprises valve body and mount pad, and described valve body is fixedly installed in one of them column by mount pad.
On the basis of technique scheme, the top of described valve body is provided with gas outlet, and the bottom of valve body is provided with air inlet, and the sidepiece of valve body is provided with travel switch, and travel switch is towards the switch direction of door body; When the door closes, door body compression travel switch, air inlet and gas outlet cut off; When the door is open, travel switch recovers, and air inlet is communicated with gas outlet.
On the basis of technique scheme, described travel switch comprises switch arm, and one end of switch arm is articulated in the sidepiece of valve body, and the other end of switch arm is provided with a roller.
On the basis of technique scheme, also comprise control valve, this control valve is arranged between the air inlet of mechanical valve and the feeder of peripheral hardware.
On the basis of technique scheme, described feeder is compressed air bottle.
On the basis of technique scheme, described straight tube is horizontally disposed with, and is positioned at the top of air curtain short tube, and one end of straight tube is directly communicated with the longitudinal interface of three-way connection by an outer silk.
On the basis of technique scheme, one end of described straight tube and outer silk directly between, all elbow is housed between the straight tube other end and metal hose, between the top of air curtain long tube with the other end of a corresponding air curtain short tube.
On the basis of technique scheme, the tube wall of described two air curtain long tube opposite faces, the tube wall of two air curtain short tube bottom surfaces offer some steam vents all vertically.
On the basis of technique scheme, described steam vent is elongated, and the length of described steam vent is 15mm, and wide is 0.5mm; Distance between two often adjacent steam vents is 100mm.
Beneficial effect of the present invention is:
1, in the present invention, by Crush trigger valve while isolating door is opened, the air curtain long tube and the air curtain short tube that make to be layed in doorframe form air curtain by steam vent discharge gases at high pressure, can prevent harmful components from entering Administrative Area along with the unlatching of isolating door, prevent the staff in Administrative Area from being endangered.Ensure that security and the spatter property of air in Administrative Area, for staff provides the working environment of safely cleaning.
2, in the present invention, mechanical valve is provided with travel switch, when the door closes, door body compression travel switch, air inlet and gas outlet cut off; When the door is open, travel switch recovers, and air inlet is communicated with gas outlet, achieves the automatic opening/closing of air curtain, easy to use.
3, in the present invention, by arranging control valve, can control the stream pressure in air curtain long tube and air curtain short tube, and then regulate the wind speed of air curtain, therefore flexibility is high.
4, in the present invention, the feeder of peripheral hardware is compressed air bottle, and namely the power consumption of this device is only gases at high pressure, therefore clean environment firendly.
Accompanying drawing explanation
Fig. 1 is the structural representation of air curtain spacer assembly in the embodiment of the present invention;
Fig. 2 is the scheme of installation of mechanical valve in the embodiment of the present invention;
Fig. 3 is the enlarged diagram of mechanical valve in Fig. 2;
Fig. 4 is the distribution schematic diagram of steam vent in the embodiment of the present invention.
Reference numeral:
1-doorframe;
2-mechanical valve; 21-valve body; 22-mount pad; 23-gas outlet; 24-air inlet; 25-metal hose; 26-travel switch; 26a-switch arm; 26b-roller;
3-straight tube; The outer silk of 31-is direct;
4-air curtain short tube; 5-air curtain long tube; 6-three-way connection; 7-control valve; 8-elbow; 9-steam vent.
Detailed description of the invention
Below in conjunction with drawings and Examples, the present invention is described in further detail.
Shown in Fig. 1 and Fig. 2, embodiments provide a kind of air curtain spacer assembly, be installed on doorframe 1 and be positioned at door side (installation site of air curtain spacer assembly look the switch direction of door determine, if door is inwardly opened, then be installed on outer side of door, if door opens outward, then be installed on an inner side), this doorframe 1 comprises two columns be oppositely arranged and is set up in the crossbeam on column top, described air curtain spacer assembly comprises the mechanical valve 2 being installed on a wherein root post, mechanical valve 2 is fixed on the described column one side relative with another root post, a three-way connection 6 is set in the middle part of described crossbeam, and two of three-way connection 6 horizontal interfaces connect one end of a horizontally disposed air curtain short tube 4 respectively, the other end of every root air curtain short tube 4 connects the top of an air curtain long tube 5, every root air curtain long tube 5 is vertically installed on a root post, and the bottom end closure of air curtain long tube 5, concrete, the bottom of air curtain long tube 5 is provided with one piece of closure plate, by the bottom end closure of air curtain long tube 5, to ensure the air pressure in air curtain long tube 5, the longitudinal interface of described three-way connection 6 connects one end of a straight tube 3, concrete, described straight tube 3 is horizontally disposed with, and be positioned at the top of air curtain short tube 4, one end of straight tube 3 is communicated with the longitudinal interface of three-way connection 6 by an outer silk direct 31, decrease the space hold of straight tube 3, be convenient to the installation application of this device.The other end of straight tube 3 is communicated with the gas outlet 23 of mechanical valve 2 by metal hose 25, preferably, one end of described straight tube 3 is equipped with elbow 8 with between outer silk direct 31, between straight tube 3 other end and metal hose 25, between the top of air curtain long tube 5 with the other end of a corresponding air curtain short tube 4.The air inlet 24 of mechanical valve 2 is connected with the feeder (not shown) of peripheral hardware by metal hose 25.Concrete, described feeder is compressed air bottle, and namely the power consumption of this device is only gases at high pressure, therefore clean environment firendly.Preferably, this device also comprises control valve 7, and this control valve 7 is arranged between the air inlet 24 of mechanical valve 2 and the feeder of peripheral hardware.By arranging control valve 7, can control the stream pressure in air curtain long tube and air curtain short tube, and then regulate the wind speed of air curtain, therefore flexibility is high.In the present embodiment, the stream pressure controlled in air curtain long tube and air curtain short tube by control valve 7 reaches 1.2MPa, and the wind speed (doorframe center wind speed) of air curtain reaches 5m/s, and gas flow reaches 30L/min.
Shown in Figure 3, described mechanical valve 2 comprises valve body 21 and mount pad 22, and described valve body 21 is fixedly installed in one of them column by mount pad 22; The top of valve body 21 is provided with gas outlet 23, and the bottom of valve body 21 is provided with air inlet 24, and the sidepiece of valve body 21 is provided with travel switch 26, and travel switch 26 is towards the switch direction of door body; When the door closes, door body compression travel switch 26, air inlet 24 and gas outlet 23 cut off; When the door is open, travel switch 26 recovers, and air inlet 24 is communicated with gas outlet 23.Concrete, described travel switch 26 comprises switch arm 26a, one end of switch arm 26a is articulated in the sidepiece of valve body 21, the other end of switch arm 26a is provided with a roller 26b, when door body compression travel switch 26, roller 26b will roll on door body, be convenient to switch arm 26a forced compression, cut off air inlet 24 and gas outlet 23 in time.
Shown in Figure 4, the tube wall of described two air curtain long tube 5 opposite faces and the tube wall of two air curtain short tube 4 bottom surfaces offer some steam vents 9 all vertically.Concrete, described steam vent 9 is elongated, is beneficial to formation air curtain.Preferably, the length of described steam vent 9 is 15mm, and wide is 0.5mm; Distance between two often adjacent steam vents 9 is 100mm.Adopt the steam vent 9 that above-mentioned specification is arranged, under equal conditions can improve air curtain effect to greatest extent.
Operation principle of the present invention is:
When isolating door is in closed condition, the travel switch 26 being arranged at the mechanical valve 2 of doorframe 1 is subject to the extruding of a body and compresses, air inlet 24 and gas outlet 23 are cut off, therefore, the gases at high pressure of outside feeder cannot enter air curtain pipeline (two air curtain long tubes 5 and two air curtain short tubes 4) through mechanical valve 2.
When staff passes in and out Administrative Area and opens isolating door, along with opening of door body, the extruding that the travel switch 26 of mechanical valve 2 is subject to disappears, travel switch 26 recovers thus air inlet 24 is communicated with gas outlet 23, therefore, the gases at high pressure of outside feeder enter air curtain pipeline (straight tube 3, two air curtain long tubes 5 and two air curtain short tubes 4) through mechanical valve 2, and then formation air curtain, can prevent harmful components from entering Administrative Area along with the unlatching of isolating door, prevent the staff in Administrative Area from being endangered.
The present invention is not limited to above-mentioned embodiment, and for those skilled in the art, under the premise without departing from the principles of the invention, can also make some improvements and modifications, these improvements and modifications are also considered as within protection scope of the present invention.The content be not described in detail in this description belongs to the known prior art of professional and technical personnel in the field.
Claims (10)
1. an air curtain spacer assembly, be installed on the side of doorframe (1), this doorframe (1) comprises two columns be oppositely arranged and is set up in the crossbeam on column top, it is characterized in that: described air curtain spacer assembly comprises the mechanical valve (2) being installed on a wherein root post, mechanical valve (2) is fixed on the described column one side relative with another root post, a three-way connection (6) is set in the middle part of described crossbeam, and two horizontal interfaces of three-way connection (6) connect one end of a horizontally disposed air curtain short tube (4) respectively, the other end of every root air curtain short tube (4) connects the top of an air curtain long tube (5), every root air curtain long tube (5) is vertically installed on a root post, and the bottom end closure of air curtain long tube (5), the longitudinal interface of described three-way connection (6) connects one end of a straight tube (3), the other end of straight tube (3) is communicated with the gas outlet (23) of mechanical valve (2) by metal hose (25), and the air inlet (24) of mechanical valve (2) is connected with the feeder of peripheral hardware by metal hose (25).
2. air curtain spacer assembly as claimed in claim 1, it is characterized in that: described mechanical valve (2) comprises valve body (21) and mount pad (22), and described valve body (21) is fixedly installed in one of them column by mount pad (22).
3. air curtain spacer assembly as claimed in claim 1, it is characterized in that: the top of described valve body (21) is provided with gas outlet (23), the bottom of valve body (21) is provided with air inlet (24), the sidepiece of valve body (21) is provided with travel switch (26), and travel switch (26) is towards the switch direction of door body; When the door closes, door body compression travel switch (26), air inlet (24) and gas outlet (23) cut off; When the door is open, travel switch (26) recovers, and air inlet (24) is communicated with gas outlet (23).
4. air curtain spacer assembly as claimed in claim 3, it is characterized in that: described travel switch (26) comprises switch arm (26a), one end of switch arm (26a) is articulated in the sidepiece of valve body (21), and the other end of switch arm (26a) is provided with a roller (26b).
5. air curtain spacer assembly as claimed in claim 1, it is characterized in that: also comprise control valve (7), this control valve (7) is arranged between the air inlet (24) of mechanical valve (2) and the feeder of peripheral hardware.
6. air curtain spacer assembly as claimed in claim 1, is characterized in that: described feeder is compressed air bottle.
7. air curtain spacer assembly as claimed in claim 1, it is characterized in that: described straight tube (3) is horizontally disposed with, and being positioned at the top of air curtain short tube (4), one end of straight tube (3) is communicated with the longitudinal interface of three-way connection (6) by an outer silk direct (31).
8. air curtain spacer assembly as claimed in claim 7, is characterized in that: elbow (8) is all equipped with between outer silk direct (31), between straight tube (3) other end and metal hose (25), between the top of air curtain long tube (5) with the other end of a corresponding air curtain short tube (4) in one end of described straight tube (3).
9. air curtain spacer assembly as claimed in claim 1, is characterized in that: the tube wall of described two air curtain long tube (5) opposite faces, the tube wall of two air curtain short tube (4) bottom surfaces offer some steam vents (9) all vertically.
10. air curtain spacer assembly as claimed in claim 9, it is characterized in that: described steam vent (9) is elongated, the length of described steam vent (9) is 15mm, and wide is 0.5mm; Distance between two often adjacent steam vents (9) is 100mm.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201510586691.2A CN105135589A (en) | 2015-09-16 | 2015-09-16 | Air curtain isolating device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201510586691.2A CN105135589A (en) | 2015-09-16 | 2015-09-16 | Air curtain isolating device |
Publications (1)
Publication Number | Publication Date |
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CN105135589A true CN105135589A (en) | 2015-12-09 |
Family
ID=54721041
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201510586691.2A Pending CN105135589A (en) | 2015-09-16 | 2015-09-16 | Air curtain isolating device |
Country Status (1)
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CN (1) | CN105135589A (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106522788A (en) * | 2016-11-09 | 2017-03-22 | 东华大学 | Air pressure door preventing polluting gas from overflowing |
CN108225036A (en) * | 2018-01-23 | 2018-06-29 | 中钢集团鞍山热能研究院有限公司 | A kind of heating-furnace implication seal apparatus and sealing gland method |
CN108758943A (en) * | 2018-06-15 | 2018-11-06 | 中航长沙设计研究院有限公司 | The manual production line air optimizing system of large surfaces processing |
WO2019185764A1 (en) * | 2018-03-27 | 2019-10-03 | Osmose | Air extraction device for protecting people from pollutant emissions |
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CN1177716A (en) * | 1996-09-25 | 1998-04-01 | 大宇电子株式会社 | Refrigerator with air-protective-screen generating device |
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CN202578769U (en) * | 2012-05-04 | 2012-12-05 | 安徽雄峰实业有限公司 | Air curtain barrier device of mine-used lifesaving cabin |
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CN103982221A (en) * | 2014-05-06 | 2014-08-13 | 长治清华机械厂 | Gas curtain device |
CN203769844U (en) * | 2014-04-11 | 2014-08-13 | 山东矿安避险装备有限公司 | Air curtain spraying system of mine-used lifesaving cabin |
CN203822362U (en) * | 2014-02-20 | 2014-09-10 | 山西地宝科技股份有限公司 | Integral air curtain device |
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2015
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CN1177716A (en) * | 1996-09-25 | 1998-04-01 | 大宇电子株式会社 | Refrigerator with air-protective-screen generating device |
JPH11351642A (en) * | 1998-06-05 | 1999-12-24 | Sanyo Electric Co Ltd | Air conditioning apparatus |
CN202578769U (en) * | 2012-05-04 | 2012-12-05 | 安徽雄峰实业有限公司 | Air curtain barrier device of mine-used lifesaving cabin |
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Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106522788A (en) * | 2016-11-09 | 2017-03-22 | 东华大学 | Air pressure door preventing polluting gas from overflowing |
CN108225036A (en) * | 2018-01-23 | 2018-06-29 | 中钢集团鞍山热能研究院有限公司 | A kind of heating-furnace implication seal apparatus and sealing gland method |
CN108225036B (en) * | 2018-01-23 | 2024-02-27 | 中钢集团鞍山热能研究院有限公司 | Air sealing device and air sealing method for furnace mouth of heating furnace |
WO2019185764A1 (en) * | 2018-03-27 | 2019-10-03 | Osmose | Air extraction device for protecting people from pollutant emissions |
FR3079601A1 (en) * | 2018-03-27 | 2019-10-04 | Osmose | AIR EXTRACTION DEVICE FOR PROTECTING PEOPLE FROM POLLUTANT EMISSIONS |
CN108758943A (en) * | 2018-06-15 | 2018-11-06 | 中航长沙设计研究院有限公司 | The manual production line air optimizing system of large surfaces processing |
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Application publication date: 20151209 |