CN103216905A - Method of enhancing separating function of air curtain and air curtain machine - Google Patents
Method of enhancing separating function of air curtain and air curtain machine Download PDFInfo
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- CN103216905A CN103216905A CN2013101417421A CN201310141742A CN103216905A CN 103216905 A CN103216905 A CN 103216905A CN 2013101417421 A CN2013101417421 A CN 2013101417421A CN 201310141742 A CN201310141742 A CN 201310141742A CN 103216905 A CN103216905 A CN 103216905A
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Abstract
The invention provides a method of enhancing a separating function of an air curtain. Due to the fact that an ejection opening of an air curtain machine is provided with a mixing chamber and an air outlet flow guide device, air flow blown by fans in the air curtain machine is mixed, pressurized, shaped and guided, and therefore the air curtain is in a flat shape and is ejected at a set angle inclining toward outdoor space between the air curtain and the vertical direction. By means of the method, air pressure of the air curtain is increased, the air curtain is thin and erect and inclines toward the outdoor, and the indoor and the outdoor are effectively isolated. The invention further discloses the air curtain machine comprising an air curtain machine shell, a plurality of the fans arranged in the air curtain machine shell, the mixing chamber and the air outlet flow guide device, wherein the mixing chamber and the air outlet flow guide device are arranged at the lower end of the air curtain machine. After pressure equalization and mixing of the air curtain through the mixing chamber, the air curtain is ejected at a set angle between the air curtain and the vertical direction through the air outlet flow guide device. Due to the fact that the mixing chamber and the air outlet flow guide device are arranged at the lower end of the air curtain machine shell, separating effects of the air curtain are 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 is by setting up mixing chamber and air-out guiding device in air curtain, after the air-flow that is sprayed by blower fan is mixed in mixing chamber, again by spraying after the pressurization of air-out guiding device, the 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.
The present invention strengthens the method for air curtain barriers function, is specially:
1) mixing chamber and air-out guiding device are set in the air curtain casing, wherein, the air-out guiding device is provided with length and the corresponding slit-shaped ejiction opening of required air curtain width, after the air-flow that set several blower fans of air curtain blow out mixes in mixing chamber, spray by the slit-shaped ejiction opening on the air-out guiding device, 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, be provided with mixing chamber and air-out guiding device in the air curtain casing, the air-out guiding device is provided with length and the corresponding slit-shaped ejiction opening of required air curtain width, after the air-flow that described several blower fans blow out mixes in mixing chamber, spray by the slit-shaped ejiction opening on the air-out guiding device; 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 mixing stream that blower fan puffs away in the air curtain, and form, blast and the wind direction of the air-flow of final ejection adjusted, 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 to disperse 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 of the present invention under the condition that does not increase power, has increased wind speed, the blast of air curtain by mixing chamber and air-out guiding device are set in the air curtain casing, 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, mixing chamber 7 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.
After mixing chamber 7 and air-out guiding device 4 were set in the air curtain casing, at first the air-flow that is blown out by several set in 7 pairs of air curtains of mixing chamber blower fans 2 mixed, and had guaranteed the uniformity of whole air curtain width blast, wind speed; Secondly, because of the relative mixing chamber 7 of spacing of two long sidewalls of the slit-shaped ejiction opening on the air-out guiding device 4 sharply dwindles, generally speaking, the cross-sectional area of the uprush emission direction of slit-shaped ejiction opening in the air curtain all blower fan 2 air outlet cross-sectional areas and, thereby, the air-flow that is blown out by blower fan 2 is equivalent to via the 4 pressurization back ejections of air-out guiding device, 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 air-flow that mixes through mixing chamber 7 to be stablized processing, improve the stability and the barriers function of air curtain 5, 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 sprays to outdoor inclination, and forms the air curtain 5 towards 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.
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) mixing chamber and air-out guiding device are set in the air curtain casing, wherein, the air-out guiding device is provided with length and the corresponding slit-shaped ejiction opening of required air curtain width, after the air-flow that set several blower fans of air curtain blow out mixes in mixing chamber, spray by the slit-shaped ejiction opening on the air-out guiding device, 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, be provided with mixing chamber and air-out guiding device in the air curtain casing, the air-out guiding device is provided with length and the corresponding slit-shaped ejiction opening of required air curtain width, after the air-flow that described several blower fans blow out mixes in mixing chamber, is sprayed by the slit-shaped ejiction opening on the air-out guiding device; 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.
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 |
|---|---|---|---|
| CN201310141742.1A CN103216905B (en) | 2013-04-23 | 2013-04-23 | Strengthen method and the air curtain of air curtain blocking function |
Applications Claiming Priority (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 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103216905A true CN103216905A (en) | 2013-07-24 |
| CN103216905B CN103216905B (en) | 2016-01-20 |
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| Application Number | Title | Priority Date | Filing Date |
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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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Cited By (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 |
Cited By (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 |
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| Publication number | Publication date |
|---|---|
| CN103216905B (en) | 2016-01-20 |
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