CN103216905B - Strengthen method and the air curtain of air curtain blocking function - Google Patents
Strengthen method and the air curtain of air curtain blocking function Download PDFInfo
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- CN103216905B CN103216905B CN201310141742.1A CN201310141742A CN103216905B CN 103216905 B CN103216905 B CN 103216905B CN 201310141742 A CN201310141742 A CN 201310141742A CN 103216905 B CN103216905 B CN 103216905B
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- air curtain
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- ejiction opening
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Abstract
The invention provides a kind of method strengthening air curtain blocking function, by the ejiction opening place at air curtain, mixing chamber and vent flow guider are set, the air-flow of blower fan set in air curtain blowout is mixed, pressurizes, shaping and water conservancy diversion, make air curtain become flat, and spray in the set angle tilted to the exterior space with vertical direction.By using this kind of method that air curtain blast can be made to increase, making air curtain " Bao Erting " and to outdoor inclination, more effective indoor and outdoor to be isolated.The invention also discloses a kind of air curtain, it comprises air curtain casing; Be arranged on the some blower fans in described air curtain casing; Be arranged on mixing chamber and the vent flow guider of air curtain casing lower end, after described air curtain all presses mixing by mixing chamber, then through the ejection in set angle between vent flow guider and vertical direction.By arranging mixing chamber and vent flow guider in air curtain casing lower end, drastically increase the barriering effect of air curtain.
Description
Technical field
The present invention relates to a kind of method and the air curtain that strengthen air curtain blocking function.
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 effect that is dust-proof, anti-pollution, anti-mosquito.As shown in Figure 1, air curtain of the prior art generally includes several blower fans 2 be arranged side by side in air curtain casing 1, and during work, the air-out simultaneously of each blower fan 1, forms air curtain 5 and indoor and outdoor intercepted.
But there are the following problems for existing air curtain:
1) as shown in Figure 2 and Figure 3, the structure by blower fan 2 air outlet limit, and 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, the air curtain 5 sprayed due to blower fan 2 is along with being trapezoidally gradually open distribution away from air outlet, and the deflection of air curtain 5 reduces gradually, declines at the part blast near ground, reduces the blocking capability of mosquito, smell.
3) because air curtain 5 blows to ground vertically downward, air-flow forms mixed flow, eddy current, backflow after arriving ground before and after air curtain 5, this mixed flow, eddy current, backflow and air curtain 5 offset self, 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 within the scope of 50 centimeters, 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 by setting up mixing chamber and vent flow guider in air curtain, after the air-flow sprayed by blower fan is mixed in mixing chamber, spray by after vent flow guider pressurization, shaping again, and adjust the emission direction of air-flow, add the deflection of air curtain and the barriers function to indoor and outdoor spaces.
The present invention strengthens the method for air curtain blocking function, is specially:
1) mixing chamber and vent flow guider are set in air curtain casing, wherein, vent flow guider is provided with the slit-shaped ejiction opening that length is corresponding with required air curtain width, after the air-flow that air curtain several blower fans set blow out mixes in mixing chamber, sprayed by the slit-shaped ejiction opening on vent flow guider, slit-shaped ejiction opening has enough degree of depth along air-flow emission direction, air-flow shaping, water conservancy diversion to be sprayed after becoming flat;
2) make described in be shaped, the emission direction of air-flow that water conservancy diversion becomes flat and vertical direction angle 5 ° ~ 30 °, and to outdoor inclination, to form the eddy current to outdoor winding after making air curtain bottom and earth surface, and be positioned at indoor side 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, the emission direction of air-flow that water conservancy diversion becomes flat and the angle of vertical direction be 10 ° ~ 25 °.
Further, be shaped described in, the emission direction of air-flow that water conservancy diversion becomes flat and the angle of vertical direction be 10 ° ~ 15 °.
Further, the blast at described slit-shaped ejiction opening place is at least 3 times of the air outlet place blast of the blower fan arranged in described air curtain.
A kind of air curtain, comprise air curtain casing, several blower fans are arranged with in casing, mixing chamber and vent flow guider is provided with in air curtain casing, vent flow guider is provided with the slit-shaped ejiction opening that length is corresponding with required air curtain width, after the air-flow that several blower fans described blow out mixes in mixing chamber, sprayed by the slit-shaped ejiction opening on vent flow guider; Slit-shaped ejiction opening has enough degree of depth along air-flow emission direction, air-flow shaping, water conservancy diversion to be sprayed after becoming 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 straighforward operation.
The inventive method is by mixing stream that blower fan puffs away in air curtain, and the form of the air-flow of final ejection, blast and wind direction are adjusted, the overall wind pressure and wind speed of air curtain is 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 airflow diverges serious, 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, when both having eliminated that air curtain sprays air-flow vertically downward in the past, the adverse effect that the mixed flow that air curtain lower end produces, eddy current, backflow cause air curtain, again further air curtain be positioned at indoor side formed negative pressure space, and utilize negative pressure space catch mosquitos and flies and and then by mosquitos and flies being delivered to outdoor to the air-flow of outdoor winding.
Air curtain of the present invention, by arranging mixing chamber and vent flow guider in air curtain casing, under the condition 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 for by the inventive method form the schematic diagram of air curtain.
Detailed description of the invention
Be described principle of the present invention and feature below in conjunction with accompanying drawing, example, only for explaining the present invention, is not intended to limit scope of the present invention.
As shown in Figure 4, Figure 5, air curtain of the present invention comprises: air curtain casing 1, some blower fans 2, mixing chamber 7 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.
Mixing chamber 7 is arranged on the below of air curtain casing 1, and connects with the air outlet of some blower fans 2.Vent flow guider 4 is arranged on the below of mixing chamber 7, vent flow guider 4 is provided with slit-shaped ejiction opening, and the air intake of this slit-shaped ejiction opening connects with mixing chamber 7.After the air-flow that some blower fans 2 blow out mixes in mixing chamber 7, sprayed by slit-shaped ejiction opening, form air curtain.The cross section of slit-shaped ejiction opening uprush emission direction is slit-shaped or the long outlying rectangle being greater 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 width of required air curtain, and the spacing of two sidewalls of its length direction is preferably not more than 20mm, that is: the width of slit-shaped ejiction opening is preferably not more than 20mm.Slit-shaped ejiction opening has enough degree of depth along air-flow emission direction, air-flow shaping, water conservancy diversion to be sprayed after becoming flat.
Arrange mixing chamber 7 and vent flow guider 4 in air curtain casing after, the air-flow first blown out by several blower fans 2 set in mixing chamber 7 pairs of air curtains mixes, and ensure that the uniformity of whole air curtain width blast, wind speed, secondly, the relative mixing chamber 7 of spacing because of two long sidewalls of the slit-shaped ejiction opening on vent flow guider 4 sharply reduces, generally speaking, the cross-sectional area of the uprush emission direction of slit-shaped ejiction opening in air curtain all blower fan 2 air outlet cross-sectional areas and, thus, ejection after the air-flow blown out by blower fan 2 is equivalent to pressurize via vent flow guider 4, which adds blast and the wind speed of air curtain 5, under the condition 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 place, blast can improve more than 3 times.
As shown in Figure 5, in order to the better air-flow to mixing through mixing chamber 7 carries out stable process, improve stability and the barriers function of air curtain 5, when arranging air curtain, the air-flow emission direction of slit-shaped ejiction opening need be obliquely installed to outdoor, and the specific environment making air-flow emission direction and vertical direction angle α, angle α can use according to air curtain 5 is adjusted, the span of usual α is 5 ° ~ 30 °.Preferably, angle α is 10 ° ~ 25 °, especially 10 ° ~ 15 °.
Because the air-flow of air curtain is to outdoor inclination ejection, and form the air curtain 5 tilted towards the exterior space, after air curtain 5 kiss the earth, form the eddy current rolled out to outdoor, thus can avoid in prior art because air curtain 5 vertically blows to the drawback brought on ground." negative pressuren zone " 6 can be formed in the indoor side of air curtain 5 simultaneously, make the mosquitos and flies entering negative pressuren zone 6 lose flight performance, and roll out outdoor by air curtain 5, reach the effect in clean room.And this air curtain 5 to outdoor inclination possess again resist outdoor Pyatyi once dust storm to the invasion of indoor, in addition, also there is certain anti-rainwater function.
Air curtain of the present invention has multiple wind speed operation range or has function of stepless speed regulation, and with remote control, like this, during use, operator as the case may be, can utilize straighforward operation to switch or adjust the wind speed of air curtain.Compared with fixing the air curtain of wind speed at present, straighforward operation will bring great convenience to user.
It is more than the preferred embodiment of the present invention; it should be pointed out that 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 also should be considered as protection scope of the present invention.
Claims (9)
1. strengthen a method for air curtain blocking function, it is characterized in that, the method is specially:
1) mixing chamber and vent flow guider are set in air curtain casing, wherein, vent flow guider is provided with the slit-shaped ejiction opening that length is corresponding with required air curtain width, after the air-flow that air curtain several blower fans set blow out mixes in mixing chamber, sprayed by the slit-shaped ejiction opening on vent flow guider, slit-shaped ejiction opening has enough degree of depth along air-flow emission direction, air-flow shaping, water conservancy diversion to be sprayed after becoming flat;
2) make described in be shaped, the emission direction of air-flow that water conservancy diversion becomes flat and vertical direction angle 5 ° ~ 30 °, and to outdoor inclination, to form the eddy current to outdoor winding after making air curtain bottom and earth surface, and be positioned at indoor side formation negative pressuren zone at air curtain.
2. the method for enhancing air curtain blocking function according to claim 1, is characterized in that, 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.
3. the method for enhancing air curtain blocking function according to claim 1, is characterized in that, described in be shaped, the emission direction of air-flow that water conservancy diversion becomes flat and the angle of vertical direction be 10 ° ~ 25 °.
4. the method for enhancing air curtain blocking function according to claim 1, is characterized in that, described in be shaped, the emission direction of air-flow that water conservancy diversion becomes flat and the angle of vertical direction be 10 ° ~ 15 °.
5. the method for enhancing air curtain blocking 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 fan outlet place blast arranged in described air curtain.
6. air curtain used in claim 1 to 5 either method, it is characterized in that, this air curtain comprises air curtain casing, several blower fans are arranged with in casing, mixing chamber and vent flow guider is provided with in air curtain casing, vent flow guider is provided with the slit-shaped ejiction opening that length is corresponding with required air curtain width, after the air-flow that several blower fans described blow out mixes in mixing chamber, is sprayed by the slit-shaped ejiction opening on vent flow guider; Slit-shaped ejiction opening has enough degree of depth along air-flow emission direction, air-flow shaping, water conservancy diversion to be sprayed after becoming flat.
7. air curtain according to claim 6, is characterized in that, 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.
8. air curtain according to claim 6, is characterized in that, 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.
9. air curtain according to claim 6, is characterized in that, described air curtain has multiple wind speed operation range or has function of stepless speed regulation, and by remote control straighforward operation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310141742.1A CN103216905B (en) | 2013-04-23 | 2013-04-23 | Strengthen method and the air curtain of air curtain blocking function |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310141742.1A CN103216905B (en) | 2013-04-23 | 2013-04-23 | Strengthen method and the air curtain of air curtain blocking function |
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| Publication Number | Publication Date |
|---|---|
| CN103216905A CN103216905A (en) | 2013-07-24 |
| CN103216905B true CN103216905B (en) | 2016-01-20 |
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| CN201310141742.1A Expired - Fee Related CN103216905B (en) | 2013-04-23 | 2013-04-23 | Strengthen method and the air curtain of air curtain blocking function |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105485829A (en) * | 2015-12-25 | 2016-04-13 | 广东美的环境电器制造有限公司 | Novel wind curtain machine |
| CN108116210A (en) * | 2016-11-28 | 2018-06-05 | 郑州宇通客车股份有限公司 | Air-curtain door and the vehicle using the air-curtain door |
| CN109944208A (en) * | 2017-12-21 | 2019-06-28 | 河南森源重工有限公司 | A kind of wind curtain type steam snow melt cover and steam snow melting vehicle |
| CN113288659A (en) * | 2021-04-28 | 2021-08-24 | 蔡贤瑛 | Chemotherapy equipment for gynecological tumor |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2912515A1 (en) * | 1979-03-29 | 1980-10-09 | Korfmann Gmbh Maschf | Doorway curtain generating fans - have curved air vanes hinging at side furthest from door |
| EP1462730A1 (en) * | 2003-03-25 | 2004-09-29 | Kampmann GmbH | Device for creating an air curtain |
| CN201155834Y (en) * | 2007-12-10 | 2008-11-26 | 王晶晶 | Hidden type centrifugal type air curtain machine |
-
2013
- 2013-04-23 CN CN201310141742.1A patent/CN103216905B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2912515A1 (en) * | 1979-03-29 | 1980-10-09 | Korfmann Gmbh Maschf | Doorway curtain generating fans - have curved air vanes hinging at side furthest from door |
| EP1462730A1 (en) * | 2003-03-25 | 2004-09-29 | Kampmann GmbH | Device for creating an air curtain |
| CN201155834Y (en) * | 2007-12-10 | 2008-11-26 | 王晶晶 | Hidden type centrifugal type air curtain machine |
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| CN103216905A (en) | 2013-07-24 |
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