CN103216906A - Method for enhancing air curtain separating function and air curtain machine - Google Patents
Method for enhancing air curtain separating function and air curtain machine Download PDFInfo
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- CN103216906A CN103216906A CN 201310142099 CN201310142099A CN103216906A CN 103216906 A CN103216906 A CN 103216906A CN 201310142099 CN201310142099 CN 201310142099 CN 201310142099 A CN201310142099 A CN 201310142099A CN 103216906 A CN103216906 A CN 103216906A
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Abstract
The invention provides a method for enhancing an air curtain separating function. A slot-shaped air outlet flow guiding device is arranged at a spraying-out opening of an air curtain machine, pressing, reshaping and flow guiding are carried out on an air curtain through the air outlet flow guiding device, so that the air curtain is in a flat shape, and the air curtain is sprayed out by a set angle oblique towards outdoor space from a vertical direction. According to the method, air pressure of the air curtain can be increased, the air curtain can be thin and erect and be oblique towards the outdoor space, and indoor space and the outdoor space are separated effectively. The invention further discloses the air curtain machine utilizing the method, the air curtain machine comprises an air curtain machine shell, a plurality of fans arranged in the air curtain machine shell and the air outlet flow guiding device arranged at the lower end of the air curtain machine shell, the air curtain is sprayed out by the air outlet flow guiding device, and the set angle is formed between the air curtain and the vertical direction. The air outlet flow guiding device is arranged at the lower end of the air curtain machine, and under the condition that air curtain machine power is not increased, separating effect of the air curtain is greatly improved.
Description
Technical field
The present invention relates to a kind of method and air curtain that strengthens the air curtain barriers function.
Background technology
Air curtain is arranged on tops, doorway such as refrigeration, air-conditioning, dustproof, heat insulation market, theater, hotel, restaurant more, is used for the air lock inner air and outer air, prevents that indoor-outdoor air from carrying out cold and hot exchange; Simultaneously, the effect that has dustproof, anti-pollution, anti-mosquitos and flies again.As shown in Figure 1, air curtain of the prior art generally includes several blower fans 2 that are arranged side by side in the air curtain casing 1, and during work, each blower fan 1 air-out simultaneously forms air curtain 5 indoor and outdoor is intercepted.
But there are the following problems for existing air curtain:
1) as Fig. 2, shown in Figure 3, limit by the structure of blower fan 2 air outlets, the wind of several blower fan 2 ejections does not form complete air curtain 5 during work, has cavity 3 between the adjacent blower fan 2 on air curtain top.
2) as shown in Figure 4, because the air curtain 5 of blower fan 2 ejection is along with being the trapezoidal distribution of gradually opening away from air outlet, the deflection of air curtain 5 reduces gradually, descends at the part blast near ground, and the blocking capability of mosquito, smell is reduced.
3) because air curtain 5 blows to ground vertically downward, air-flow arrives behind the ground and to form mixed flow, eddy current, backflow in air curtain 5 front and back, this mixed flow, eddy current, backflow and air curtain 5 self offset, the wind speed and the blast of air curtain 5 bottoms have been reduced, make the air curtain bottom form static state, weakened the barriering effect of air curtain 5 significantly, even made the air curtain in the 50 centimeters scopes in close ground lose iris action fully.
Summary of the invention
In order to solve the existing problem of above-mentioned air curtain of the prior art, the invention provides a kind of method that strengthens the air curtain barriers function, and used air curtain in this method.The present invention by the air-flow before the air curtain ejection is pressurizeed, shaping, and adjust the emission direction of air-flow, increased the deflection of air curtain and to the barriers function of indoor and outdoor spaces.Air curtain of the present invention is by being provided with the air-out guiding device below blower fan, air-flow by each blower fan ejection is sprayed through the pressurization of air-out guiding device and the back of leading, under the condition that does not change power of fan, increase blast, and can avoid air curtain top the cavity to occur, reduce the adverse effect of air curtain bottom mixed flow, backflow and eddy current.
The present invention strengthens the method for air curtain barriers function, is specially:
1) the air-out guiding device is set on air curtain, this air-out guiding device is provided with length and the corresponding slit-shaped ejiction opening of required air curtain width, the air outlet of set several blower fans all joins with the slit-shaped ejiction opening in the air curtain, the slit-shaped ejiction opening has enough degree of depth along the air-flow emission direction, so that spray after air-flow shaping, water conservancy diversion become flat;
2) make 5 ° ~ 30 ° of the emission direction of the described air-flow that is become flat by shaping, water conservancy diversion and vertical direction angles, and to outdoor inclination, so that make the air curtain bottom contact the eddy current of back formation with ground, and be positioned at indoor side formation negative pressuren zone at air curtain to outdoor coiling.
Further, described slit-shaped ejiction opening is parallel to each other along two sidewalls that its length direction extends, and the sidewall at its length direction two ends extends along the air-flow emission direction.
Further, the emission direction of the described air-flow that is become flat by shaping, water conservancy diversion and the angle of vertical direction are 10 ° ~ 25 °.
Further, the emission direction of the described air-flow that is become flat by shaping, water conservancy diversion and the angle of vertical direction are 10 ° ~ 15 °.
Further, the blast at described slit-shaped ejiction opening place is at least 3 times of air outlet place blast of the blower fan that is provided with in the described air curtain.
A kind of air curtain, comprise the air curtain casing, be arranged with several blower fans in the casing, air curtain casing lower end is provided with the air-out guiding device, the air-out guiding device is provided with the slit-shaped ejiction opening, the air outlet of several blower fans in the air intake of slit-shaped ejiction opening and the air curtain casing joins, and close proximity between the air outlet of adjacent blower fan, so that make the air-flow of slit-shaped ejiction opening ejection form the continuous air curtain that top does not have the cavity, simultaneously, the slit-shaped ejiction opening has enough degree of depth along the air-flow emission direction, so that spray after air-flow shaping, water conservancy diversion become flat.
Further, the cross section of described slit-shaped ejiction opening uprush emission direction is a rectangle, and this rectangular width is smaller or equal to 20mm, and length is identical with the width of required air curtain.
Further, described air curtain has a plurality of wind speed work gears or has function of stepless speed regulation, and by the remote control straighforward operation.
The inventive method is by adjusting form, blast and the wind direction of air curtain ejection air-flow, the whole wind pressure and wind speed of air curtain is evenly distributed, and cover the space of whole required obstruct, not only eliminated the problem that there is the cavity in existing air curtain top effectively, and make the air curtain form thin and endure, overcome existing air curtain air-flow and dispersed seriously the shortcoming that EFFECTIVE RANGE is little.
The air-flow emission direction of the inventive method by making air curtain is to the suitable angle of outdoor inclination, both eliminated when air curtain sprayed air-flow vertically downward in the past, the adverse effect that mixed flow, eddy current, the backflow that the air curtain lower end produces causes air curtain, further be positioned at an indoor side again and form negative pressure space, and utilize negative pressure space to catch mosquitos and flies and and then mosquitos and flies is delivered to outdoor by air-flow to outdoor coiling at air curtain.
Air curtain provided by the present invention by in air curtain casing lower end the air-out guiding device being set, under the condition that does not increase power, has increased wind speed, the blast of air curtain, has improved the EFFECTIVE RANGE of air curtain.
Description of drawings
Fig. 1 is a 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 an air curtain structural representation of the present invention;
Fig. 5 is the schematic diagram by air curtain that the inventive method forms.
The specific embodiment
Below in conjunction with accompanying drawing principle of the present invention and feature are described, institute gives an actual example and only is used to explain the present invention, is not to be used to limit scope of the present invention.
As Fig. 4, shown in Figure 5, air curtain of the present invention comprises: air curtain casing 1, some blower fans 2 and air-out guiding device 4, and wherein, some blower fans 2 are arranged side by side in air curtain casing 1, and blower fan 2 is a stepless speed regulating blower fan.
Air-out guiding device 4 is arranged on the below of air curtain casing 1, air-out guiding device 4 is provided with the slit-shaped ejiction opening, the air outlet of the some blower fans 2 in the air intake of this slit-shaped ejiction opening and the air curtain casing 1 joins, the cross section of slit-shaped ejiction opening uprush emission direction is slit-shaped or long outlying rectangle greater than minor face, the slit-shaped ejiction opening is parallel to each other along two sidewalls that its length direction extends, and the sidewall at slit-shaped ejiction opening length direction two ends extends along the air-flow emission direction.The length of slit-shaped ejiction opening is identical with the long limit of air curtain casing 1, and promptly the slit-shaped ejiction opening is provided with 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 or equal to 20mm.The slit-shaped ejiction opening has enough degree of depth along the air-flow emission direction, so that air-flow shaping, water conservancy diversion that blower fan 2 is sent into spray after becoming flat.
Air-out guiding device 4 is set below air curtain casing 1 to be sprayed the wind that some blower fans 2 spray by unified slit-shaped ejiction opening, extended the length of blower fan 2 air outlets, combine to the independent ventilation individual organic that each blower fan 2 is constituted, form the ejiction opening that covers whole air curtain width, guaranteed the complete of air curtain.And air curtain 5 by slit-shaped ejiction opening ejection process in, because the air outlet of the relative blower fan 2 of spacing of two long sidewalls of slit-shaped ejiction opening sharply dwindles, generally speaking, the cross-sectional area of the uprush emission direction of slit-shaped ejiction opening much smaller than all blower fan 2 air outlet cross-sectional areas and, so, by the air curtain 5 of air curtain of the present invention ejection be equivalent to via after 4 pressurizations of air-out guiding device again by spraying in the air curtain, the blast and the wind speed of air curtain 5 have so just been increased, under the condition that does not change each blower fan 2 power, increased the deflection of air curtain 5, and make the air curtain Bao Erting that becomes, improved the EFFECTIVE RANGE of air curtain.Blast by slit-shaped ejiction opening place is compared with the blast at blower fan 2 air outlet places, and blast can improve more than 3 times.
As shown in Figure 5, in order better the wind of each blower fan 2 ejection to be stablized processing, improve the barriers function of air curtain, when air curtain is set, need the air-flow emission direction of slit-shaped ejiction opening is obliquely installed to outdoor, and make air-flow emission direction and vertical direction angle α, and angle α can be adjusted according to air curtain 5 employed concrete environment, and the span of α is 5 ° ~ 30 ° usually.Preferably, angle α is 10 ° ~ 25 °, especially 10 ° ~ 15 °.
Because the air-flow of air curtain of the present invention sprays to outdoor inclination, and formation is towards the air curtain 5 of exterior space inclination, behind air curtain 5 kiss the earths, form, thereby can avoid in the prior art because air curtain 5 vertically blows to the drawback that bring on ground to the outdoor eddy current that rolls out.Simultaneously can form " negative pressuren zones " 6, make the mosquitos and flies forfeiture flight performance that enters negative pressuren zone 6, and roll out outdoorly by air curtain 5, reach the effect in the clean room in air curtain 5 indoor sides.And this air curtain 5 to outdoor inclination possess again resist outdoor Pyatyi once dust storm indoor invasion in addition, is also had certain anti-rainwater function.
By the air-flow of each blower fan 2 ejections, enter air-out guiding device 4 after, be not ejection at once, but after will be through one section extruding stable just by the slit-shaped ejiction opening ejection that is arranged in the air-out guiding device 4.After this handled, the air curtain integral body that is sprayed was more even, and no vulnerable area do not have the cavity and produce, and EFFECTIVE RANGE improves.
Air curtain of the present invention has a plurality of wind speed work gears or has function of stepless speed regulation, and has remote control, and like this, during use, the operator can utilize straighforward operation to switch or adjust the wind speed of air curtain as the case may be.Compare with the present fixedly air curtain of wind speed, straighforward operation will bring great convenience to the user.
It more than is preferred implementation of the present invention; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (9)
1. a method that strengthens the air curtain barriers function is characterized in that, this method is specially:
1) the air-out guiding device is set on air curtain, this air-out guiding device is provided with length and the corresponding slit-shaped ejiction opening of required air curtain width, the air outlet of set several blower fans all joins with the slit-shaped ejiction opening in the air curtain, the slit-shaped ejiction opening has enough degree of depth along the air-flow emission direction, so that spray after air-flow shaping, water conservancy diversion become flat;
2) make 5 ° ~ 30 ° of the emission direction of the described air-flow that is become flat by shaping, water conservancy diversion and vertical direction angles, and to outdoor inclination, so that make the air curtain bottom contact the eddy current of back formation with ground, and be positioned at indoor side formation negative pressuren zone at air curtain to outdoor coiling.
2. the method for enhancing air curtain barriers function according to claim 1 is characterized in that, described slit-shaped ejiction opening is parallel to each other along two sidewalls that its length direction extends, and the sidewall at its length direction two ends extends along the air-flow emission direction.
3. the method for enhancing air curtain barriers function according to claim 1 is characterized in that, the emission direction of the described air-flow that is become flat by shaping, water conservancy diversion and the angle of vertical direction are 10 ° ~ 25 °.
4. the method for enhancing air curtain barriers function according to claim 1 is characterized in that, the emission direction of the described air-flow that is become flat by shaping, water conservancy diversion and the angle of vertical direction are 10 ° ~ 15 °.
5. the method for enhancing air curtain barriers function according to claim 1 is characterized in that, the blast at described slit-shaped ejiction opening place is at least 3 times of the interior fan outlet place blast that is provided with of described air curtain.
6. used air curtain in the arbitrary method of claim 1 to 5, it is characterized in that, this air curtain comprises the air curtain casing, be arranged with several blower fans in the casing, air curtain casing lower end is provided with the air-out guiding device, the air-out guiding device is provided with the slit-shaped ejiction opening, the air outlet of several blower fans in the air intake of slit-shaped ejiction opening and the air curtain casing joins, and close proximity between the air outlet of adjacent blower fan, so that make the air-flow of slit-shaped ejiction opening ejection form the continuous air curtain that top does not have the cavity, simultaneously, the slit-shaped ejiction opening has enough degree of depth along the air-flow emission direction, so that with the air-flow shaping, water conservancy diversion sprays after becoming flat.
7. air curtain according to claim 6 is characterized in that, described slit-shaped ejiction opening is parallel to each other along two sidewalls that its length direction extends, and the sidewall at its length direction two ends extends along the air-flow emission direction.
8. air curtain according to claim 6 is characterized in that, the cross section of described slit-shaped ejiction opening uprush emission direction is a rectangle, and this rectangular width is smaller or equal to 20mm, and length is identical with the width of required air curtain.
9. air curtain according to claim 6 is characterized in that, described air curtain has a plurality of wind speed work gears or has function of stepless speed regulation, and by the remote control straighforward operation.
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 |
Applications Claiming Priority (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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| Publication Number | Publication Date |
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| CN103216906A true CN103216906A (en) | 2013-07-24 |
| CN103216906B CN103216906B (en) | 2016-09-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310142099.4A Expired - Fee Related CN103216906B (en) | 2013-04-23 | 2013-04-23 | A kind of method strengthening air curtain blocking function and air curtain |
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Cited By (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 |
| 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 |
| 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 |
| 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 |
| CN110565177A (en) * | 2017-12-25 | 2019-12-13 | 大连民族大学 | visual electrospun fiber environment maintaining device and visual maintaining method of airflow air curtain |
| CN114161914A (en) * | 2021-12-31 | 2022-03-11 | 南华大学 | Air curtain system and vaccine vehicle |
Family Cites Families (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 |
-
2013
- 2013-04-23 CN CN201310142099.4A patent/CN103216906B/en not_active Expired - Fee Related
Cited By (9)
| 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 |
| CN110565177A (en) * | 2017-12-25 | 2019-12-13 | 大连民族大学 | visual electrospun fiber environment maintaining device and visual maintaining method of airflow air curtain |
| 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 |
| CN114161914A (en) * | 2021-12-31 | 2022-03-11 | 南华大学 | Air curtain system and vaccine vehicle |
| CN114161914B (en) * | 2021-12-31 | 2024-01-05 | 南华大学 | Air curtain system and vaccine vehicle |
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| Publication number | Publication date |
|---|---|
| CN103216906B (en) | 2016-09-14 |
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Granted publication date: 20160914 Termination date: 20210423 |