CN103216906B - A kind of method strengthening air curtain blocking function and air curtain - Google Patents
A kind of method strengthening air curtain blocking function and air curtain Download PDFInfo
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- CN103216906B CN103216906B CN201310142099.4A CN201310142099A CN103216906B CN 103216906 B CN103216906 B CN 103216906B CN 201310142099 A CN201310142099 A CN 201310142099A CN 103216906 B CN103216906 B CN 103216906B
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- air curtain
- air
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- ejiction opening
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Abstract
The present invention provides a kind of method strengthening air curtain blocking function, by arranging slit-shaped vent flow guider at the ejiction opening of air curtain, by described vent flow guider, air curtain is pressurizeed, shaping and water conservancy diversion, air curtain is made to become flat, and with vertical direction in the set angle ejection tilted to the exterior space.By using this kind of method that air curtain blast can be made to increase, make air curtain " Bao Erting " and to outdoor inclination, significantly more efficient indoor and outdoor spaces is isolated.The invention also discloses a kind of air curtain being applied to said method, it includes air curtain casing；The some blower fans being arranged in air curtain casing；Being arranged on the vent flow guider of air curtain casing lower end, described air curtain is sprayed by described vent flow guider, and in set angle between air curtain and vertical direction.By arranging vent flow guider in air curtain casing lower end, under conditions of not increasing air curtain power, drastically increase the barriering effect of air curtain.
Description
Technical field
The present invention relates to a kind of method strengthening air curtain blocking function and air curtain.
Background technology
Air curtain is arranged on above the doorways such as refrigeration, air-conditioning, dust-proof, heat insulation market, theater, hotel, restaurant more, for air lock inner air and outer air, prevents indoor-outdoor air from carrying out cold and hot exchange；Meanwhile, there is again dust-proof, anti-pollution, the effect of anti-mosquito.As it is shown in figure 1, air curtain of the prior art generally includes several blower fans 2 being arranged side by side in air curtain casing 1, during work, the air-out simultaneously of each blower fan 1, form air curtain 5 and indoor and outdoor is intercepted.
But there are the following problems for existing air curtain:
1) as shown in Figure 2 and Figure 3, being limited by the structure of blower fan 2 air outlet, during work, the wind of several blower fans 2 ejection does not form complete air curtain 5, there is cavity 3 between the adjacent blower fan 2 on air curtain top.
2) as shown in Figure 4, owing to the air curtain 5 of blower fan 2 ejection is along with gradually opening distribution away from air outlet is trapezoidal, the deflection of air curtain 5 is gradually reduced, and declines at the part blast near ground, reduces the blocking capability of mosquito, abnormal smells from the patient.
3) ground is blowed to vertically downward due to air curtain 5, air-flow forms mixed flow, eddy current, backflow after arriving ground before and after air curtain 5, this mixed flow, eddy current, backflow self offset with air curtain 5, reduce wind speed and the blast of air curtain 5 bottom, air curtain bottom is made to form static state, weaken the barriering effect of air curtain 5 significantly, even make the air curtain in the range of 50 centimeters of ground lose iris action completely.
Summary of the invention
In order to solve the problem existing for above-mentioned air curtain of the prior art, the invention provides a kind of method strengthening air curtain blocking function, and air curtain used in the method.The present invention is pressurizeed by the air-flow before spraying air curtain, shaping, and adjusts the emission direction of air-flow, adds the deflection of air curtain and the barriers function to indoor and outdoor spaces.Air curtain of the present invention is by arranging vent flow guider below blower fan, the air-flow sprayed by each blower fan is made to spray after the pressurization and guiding of vent flow guider, under conditions of not changing power of fan, increase blast, and can avoid air curtain top that cavity occurs, reduce air curtain bottom mixed flow, backflow and the adverse effect of eddy current.
The present invention strengthens the method for air curtain blocking function, particularly as follows:
1) vent flow guider is set on air curtain, the slit-shaped ejiction opening that length is corresponding with required air curtain width it is provided with on this vent flow guider, in air curtain, the air outlet of several blower fans set all connects with slit-shaped ejiction opening, slit-shaped ejiction opening has enough degree of depth along air-flow emission direction, in order to spray after air-flow shaping, water conservancy diversion are become flat；
2) make described in be shaped, water conservancy diversion becomes emission direction and the vertical direction angle 5 ° ~ 30 ° of air-flow of flat, and to outdoor inclination, in order to make air curtain bottom after contact with ground, form the eddy current to outdoor winding, and be positioned at side, indoor formation negative pressuren zone at air curtain.
Further, two sidewalls that described slit-shaped ejiction opening extends along its length are parallel to each other, and the sidewall at its length direction two ends extends along air-flow emission direction.
Further, be shaped described in, water conservancy diversion becomes the emission direction of air-flow of flat and the angle of vertical direction to be 10 ° ~ 25 °.
Further, be shaped described in, water conservancy diversion becomes the emission direction of air-flow of flat and the angle of vertical direction to be 10 ° ~ 15 °.
Further, the blast at described slit-shaped ejiction opening is at least in described air curtain at the air outlet of the blower fan arranged 3 times of blast.
A kind of air curtain, including air curtain casing, several blower fans it are arranged with in casing, air curtain casing lower end is provided with vent flow guider, slit-shaped ejiction opening it is provided with on vent flow guider, the air intake of slit-shaped ejiction opening connects with the air outlet of several blower fans in air curtain casing, and close proximity between the air outlet of adjacent blower fan, so that the air-flow making slit-shaped ejiction opening spray forms the top continuous air curtain without cavity, simultaneously, slit-shaped ejiction opening has enough degree of depth along air-flow emission direction, in order to spray after air-flow shaping, water conservancy diversion are become flat.
Further, the cross section of described slit-shaped ejiction opening uprush emission direction is rectangle, and this rectangular width is less than or equal to 20mm, and length is identical with the width of required air curtain.
Further, described air curtain has multiple wind speed operation range or has function of stepless speed regulation, and by remote control unit remote manipulation.
The inventive method is by being adjusted the air curtain ejection form of air-flow, blast and wind direction, air curtain entirety wind pressure and wind speed is made to be evenly distributed, and cover the whole required space intercepted, not only effectively eliminate the problem that existing air curtain top exists cavity, and make air curtain form thin and endure, overcome existing air curtain air-flow and dissipate seriously, the shortcoming that EFFECTIVE RANGE is little.
The inventive method is by making the air-flow emission direction of air curtain to the suitable angle of outdoor inclination, both conventional air curtain had been eliminated when spraying air-flow vertically downward, the adverse effect that air curtain is caused by the mixed flow of air curtain lower end generation, eddy current, backflow, further it is positioned at indoor side at air curtain and forms negative pressure space, and utilize negative pressure space capture mosquitos and flies and and then by mosquitos and flies being delivered to outdoor to the air-flow of outdoor winding.
Air curtain provided by the present invention, by arranging vent flow guider in air curtain casing lower end, under conditions of not increasing power, adds the wind speed of air curtain, blast, improves the EFFECTIVE RANGE of air curtain.
Accompanying drawing explanation
Fig. 1 is prior art air curtain structural representation；
Fig. 2 is the air curtain front view of prior art air curtain ejection；
Fig. 3 is the air curtain side view of prior art air curtain ejection；
Fig. 4 is air curtain structural representation of the present invention；
Fig. 5 is the schematic diagram by the formed air curtain of the inventive method.
Detailed description of the invention
Principle and feature to the present invention are described below in conjunction with the accompanying drawings, and example is served only for explaining the present invention, is not intended to limit the scope of the present invention.
As shown in Figure 4, Figure 5, air curtain of the present invention includes: air curtain casing 1, some blower fans 2 and vent flow guider 4, and wherein, some blower fans 2 are disposed side by side in air curtain casing 1, and blower fan 2 is stepless speed regulating blower fan.
Vent flow guider 4 is arranged on the lower section of air curtain casing 1, slit-shaped ejiction opening it is provided with on vent flow guider 4, the air intake of this slit-shaped ejiction opening connects with the air outlet of the some blower fans 2 in air curtain casing 1, the cross section of slit-shaped ejiction opening uprush emission direction is slit-shaped or the long outlying rectangle more than minor face, two sidewalls that slit-shaped ejiction opening extends along its length are parallel to each other, and the sidewall at slit-shaped ejiction opening length direction two ends extends along air-flow emission direction.The length of slit-shaped ejiction opening is identical with the long limit of air curtain casing 1, i.e. slit-shaped ejiction opening is arranged continuously along the long limit of air curtain casing 1, and runs through whole air curtain casing 1, and its minor face is preferably smaller than equal to 20mm.Slit-shaped ejiction opening has enough degree of depth along air-flow emission direction, in order to air-flow shaping, the water conservancy diversion sent into by blower fan 2 spray after becoming flat.
Wind that some blower fans 2 spray by vent flow guider 4 is set below air curtain casing 1 by unified slit-shaped ejiction opening ejection, extend the length of blower fan 2 air outlet, is combined to the independent ventilation individual organic that each blower fan 2 is constituted, form the ejiction opening covering whole air curtain width, it is ensured that air curtain complete.And during air curtain 5 is sprayed by slit-shaped ejiction opening, owing to the spacing of two long sidewalls of slit-shaped ejiction opening drastically reduces relative to the air outlet of blower fan 2, generally speaking, the cross-sectional area of the uprush emission direction of slit-shaped ejiction opening is much smaller than the sum of all blower fan 2 air outlet cross-sectional areas, so, the air curtain 5 sprayed by air curtain of the present invention is sprayed by air curtain after being equivalent to pressurize via vent flow guider 4 again, which adds blast and the wind speed of air curtain 5, under conditions of not changing each blower fan 2 power, add the deflection of air curtain 5, and make air curtain become Bao Erting, improve the EFFECTIVE RANGE of air curtain.By the blast of slit-shaped ejiction opening compared with the blast at blower fan 2 air outlet, blast can improve more than 3 times.
As shown in Figure 5, in order to preferably the wind of each blower fan 2 ejection be carried out stabilized treatment, improve the barriers function of air curtain, when arranging air curtain, the air-flow emission direction of slit-shaped ejiction opening need to be obliquely installed to outdoor, and making air-flow emission direction and vertical direction angle α, angle α can be adjusted according to the specific environment that air curtain 5 is used, and the span of usual α is 5 ° ~ 30 °.Preferably, angle α is 10 ° ~ 25 °, especially 10 ° ~ 15 °.
Owing to the air-flow of air curtain of the present invention sprays to outdoor inclination, and form the air curtain 5 tilted towards the exterior space, after air curtain 5 contacts ground, form the eddy current rolled out to outdoor, thus can avoid in prior art owing to air curtain 5 vertically blows to the drawback that ground is brought." negative pressuren zone " 6 can be formed in the indoor side of air curtain 5 simultaneously, make the mosquitos and flies of entrance negative pressuren zone 6 lose flight performance, and rolled out outdoor by air curtain 5, reach the effect in clean room.And this possess again the invasion resisting outdoor Pyatyi dust storm once to indoor, it addition, also have certain anti-rainwater function to the air curtain 5 of outdoor inclination.
The air-flow sprayed by each blower fan 2, after entering vent flow guider 4, is not ejection at once, and is intended to after one section of extrusion stability just by the slit-shaped ejiction opening ejection being arranged in vent flow guider 4.After this treatment, the air curtain entirety sprayed is more uniform, without vulnerable area, produces without cavity, and EFFECTIVE RANGE improves.
Air curtain of the present invention has multiple wind speed operation range or has function of stepless speed regulation, and with remote control unit, so, during use, operator can utilize remote manipulation switching or adjust the wind speed of air curtain as the case may be.Compared with the air curtain of the most fixing wind speed, remote manipulation will bring great convenience to user.
Being above the preferred embodiment of the present invention, it is noted that for those skilled in the art, under the premise without departing from the principles of the invention, it is also possible to make some improvements and modifications, these improvements and modifications also should be regarded as protection scope of the present invention.
Claims (6)
1. the method strengthening air curtain blocking function, it is characterised in that the method particularly as follows:
1) vent flow guider is set on air curtain, the slit-shaped ejiction opening that length is corresponding with required air curtain width it is provided with on this vent flow guider, in air curtain, the air outlet of several blower fans set all connects with slit-shaped ejiction opening, slit-shaped ejiction opening has enough degree of depth along air-flow emission direction, in order to spray after air-flow shaping, water conservancy diversion are become flat；
2) make described in be shaped, water conservancy diversion becomes emission direction and the vertical direction angle 10 ° ~ 15 ° of air-flow of flat, and to outdoor inclination, in order to make air curtain bottom after contact with ground, form the eddy current to outdoor winding, and be positioned at side, indoor formation negative pressuren zone at air curtain；
Blast at described slit-shaped ejiction opening is at least in described air curtain at the fan outlet arranged 3 times of blast.
The method of enhancing air curtain blocking function the most according to claim 1, it is characterised in that two sidewalls that described slit-shaped ejiction opening extends along its length are parallel to each other, the sidewall at its length direction two ends extends along air-flow emission direction.
3. an air curtain, it is characterized in that, this air curtain includes air curtain casing, several blower fans it are arranged with in casing, air curtain casing lower end is provided with vent flow guider, the slit-shaped ejiction opening that length is corresponding with required air curtain width it is provided with on vent flow guider, the air intake of slit-shaped ejiction opening connects with the air outlet of several blower fans in air curtain casing, and close proximity between the air outlet of adjacent blower fan, so that the air-flow making slit-shaped ejiction opening spray forms the top continuous air curtain without cavity, simultaneously, slit-shaped ejiction opening has enough degree of depth along air-flow emission direction, so that by air-flow shaping, water conservancy diversion sprays after becoming flat；Described be shaped, water conservancy diversion becomes the emission direction of air-flow of flat and the angle of vertical direction to be 10 ° ~ 15 °, and to outdoor inclination, in order to make air curtain bottom after contact with ground, form the eddy current to outdoor winding, and be positioned at side, indoor formation negative pressuren zone at air curtain；
Blast at described slit-shaped ejiction opening is at least in described air curtain at the fan outlet arranged 3 times of blast.
Air curtain the most according to claim 3, it is characterised in that two sidewalls that described slit-shaped ejiction opening extends along its length are parallel to each other, the sidewall at its length direction two ends extends along air-flow emission direction.
Air curtain the most according to claim 3, it is characterised in that the cross section of described slit-shaped ejiction opening uprush emission direction is rectangle, this rectangular width is less than or equal to 20mm, and length is identical with the width of required air curtain.
Air curtain the most according to claim 3, it is characterised in that described air curtain has multiple wind speed operation range or has function of stepless speed regulation, and by remote control unit remote manipulation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310142099.4A CN103216906B (en) | 2013-04-23 | 2013-04-23 | A kind of method strengthening air curtain blocking function and air curtain |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310142099.4A CN103216906B (en) | 2013-04-23 | 2013-04-23 | A kind of method strengthening air curtain blocking function and air curtain |
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| Publication Number | Publication Date |
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| CN103216906A CN103216906A (en) | 2013-07-24 |
| CN103216906B true CN103216906B (en) | 2016-09-14 |
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106288126A (en) * | 2016-10-26 | 2017-01-04 | 广东绿岛风室内空气系统科技有限公司 | A kind of double air outlet air curtain |
| CN106403139A (en) * | 2016-11-14 | 2017-02-15 | 江苏中利石化设备有限公司 | Air curtain temperature isolating wall |
| CN109944207A (en) * | 2017-12-21 | 2019-06-28 | 河南森源重工有限公司 | A kind of snow melt cover and steam snow melting vehicle |
| CN110565177B (en) * | 2017-12-25 | 2020-09-04 | 大连民族大学 | Device and method for maintaining environment of electrospun fibers by airflow air curtain |
| CN108278125A (en) * | 2018-03-09 | 2018-07-13 | 山西尚风科技股份有限公司 | A kind of totally-enclosed coal bunker vehicles while passing one's intention as revealed in what one says proscenia |
| CN110195904A (en) * | 2019-06-04 | 2019-09-03 | 南京冠福建设工程技术有限公司 | A kind of wall type Fresh air handing unit |
| CN114161914B (en) * | 2021-12-31 | 2024-01-05 | 南华大学 | Air curtain system and vaccine vehicle |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB872601A (en) * | 1957-06-08 | 1961-07-12 | Rudolph Sterkel | Improvements in or relating to air curtains |
| US3157105A (en) * | 1961-08-01 | 1964-11-17 | Tamm Walter | Apparatus for producing an air curtain |
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2013
- 2013-04-23 CN CN201310142099.4A patent/CN103216906B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB872601A (en) * | 1957-06-08 | 1961-07-12 | Rudolph Sterkel | Improvements in or relating to air curtains |
| US3157105A (en) * | 1961-08-01 | 1964-11-17 | Tamm Walter | Apparatus for producing an air curtain |
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| CN103216906A (en) | 2013-07-24 |
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